/* =========================================================
   GHP engineering — feuille de style
   Conforme à la charte graphique v1 (30/09/2026) : navy dominant,
   bleu accent en signal, Barlow + Inter, maillage hexagonal.
   ========================================================= */

:root {
  /* Couleurs principales */
  --navy: #071F45;
  --navy-2: #0B2C5C;
  --accent: #0F57ED;
  --deep: #0031B5;
  --edge: #0052FD;
  --light-blue: #4E8BFF;

  /* Neutres */
  --ink: #0B1A38;
  --muted: #59637A;
  --rule: #DDE3EE;
  --card-border: #E4E9F2;
  --card: #F4F6FA;
  --silver: #C9CED6;
  --paper: #FFFFFF;

  /* Sur fond navy */
  --on-navy: #FFFFFF;
  --on-navy-2: #C3D2EA;
  --on-navy-3: #8FA8CE;
  --mesh: #6E97DD;
  --navy-line: rgba(110, 151, 221, 0.24);
  --navy-panel: rgba(0, 11, 32, 0.45);

  --grad-band: linear-gradient(90deg, #071F45 0%, #0B2C5C 62%, #0031B5 100%);
  --grad-navy: linear-gradient(135deg, #00224F 0%, #00173C 55%, #000B20 100%);

  --font-head: "Barlow", "Arial Narrow", Arial, sans-serif;
  --font-body: "Inter", system-ui, Arial, sans-serif;

  --text-2xl: clamp(2rem, 1.45rem + 2.2vw, 3.1rem);
  --text-xl: clamp(1.3rem, 1.1rem + 0.7vw, 1.6rem);
  --text-hero: clamp(2.6rem, 1.6rem + 4.3vw, 5.1rem);

  --max: 76rem;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --section-y: clamp(4.5rem, 3rem + 6vw, 8.5rem);
  --radius: 9px;

  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 4.5rem; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg, canvas { display: block; max-width: 100%; }
h1, h2, h3 { font-family: var(--font-head); line-height: 1.08; margin: 0; text-wrap: balance; font-weight: 700; color: var(--navy); }
h2 { font-size: var(--text-2xl); letter-spacing: -0.01em; }
h3 { font-size: 1.3rem; font-weight: 600; }
p { margin: 0; text-wrap: pretty; }
a { color: inherit; text-underline-offset: 0.2em; text-decoration-thickness: 1px; }
::selection { background: var(--accent); color: #fff; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
.section-navy :focus-visible, .hero :focus-visible, .site-header :focus-visible { outline-color: var(--light-blue); }
html { scrollbar-color: var(--silver) transparent; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: 1rem; top: -4rem; z-index: 100; background: var(--accent); color: #fff; padding: 0.6rem 1rem; border-radius: var(--radius); }
.skip:focus { top: 1rem; }
.wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }

/* Identité */
.wordmark { font-family: var(--font-head); font-weight: 400; letter-spacing: 0.2em; font-size: 0.95rem; white-space: nowrap; }
.wordmark b { font-weight: 700; letter-spacing: 0.08em; margin-right: 0.15em; }
.wordmark-sm { color: var(--on-navy); font-size: 0.9rem; }
.devise {
  font-family: var(--font-head); font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.24em; font-size: 0.82rem; color: var(--light-blue);
}
.devise-sm { margin-top: 0.5rem; font-size: 0.7rem; }
.label {
  font-family: var(--font-head); font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.16em; font-size: 0.78rem; color: var(--accent); margin-bottom: 0.9rem;
}
.section-navy .label { color: var(--light-blue); }

/* Contenus à compléter (à retirer avant mise en ligne) */
.todo {
  display: inline-block; justify-self: start;
  font-family: var(--font-body); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.02em;
  padding: 0.1rem 0.45rem; border: 1px dashed currentColor; border-radius: 3px;
  color: #B4231A; vertical-align: 0.1em;
}
.section-navy .todo { color: #FF9C8F; }

/* Blocs gris (charte §6) */
.block { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius); padding: clamp(1.25rem, 2.4vw, 2rem); }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.55rem;
  min-height: 2.9rem; padding: 0.7rem 1.35rem; border-radius: 6px;
  font: 600 0.97rem/1 var(--font-body); text-decoration: none; cursor: pointer;
  border: 1px solid transparent;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease, transform 140ms var(--ease-out);
}
.btn:active { transform: scale(0.97); }
.btn svg { width: 1.15rem; height: 1.15rem; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-ghost { color: var(--on-navy); border-color: rgba(195, 210, 234, 0.4); background: transparent; }
.btn-quiet { color: var(--navy); border-color: var(--silver); }
.btn-sm { min-height: 2.4rem; padding: 0.5rem 1rem; font-size: 0.9rem; }
.btn-xs { min-height: 2.2rem; padding: 0.4rem 0.85rem; font-size: 0.85rem; }
@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover { background: var(--deep); }
  .btn-ghost:hover { border-color: var(--on-navy); background: rgba(195, 210, 234, 0.08); }
  .btn-quiet:hover { border-color: var(--navy); }
}

/* ---------- En-tête ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: var(--navy); color: var(--on-navy); border-bottom: 1px solid var(--navy-line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 4.1rem; gap: 1rem; }
.brand { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; color: var(--on-navy); }
.brand-logo { width: 2.5rem; height: 2.5rem; object-fit: contain; }
.nav { display: flex; align-items: center; gap: 1.6rem; }
.nav a:not(.btn) { color: var(--on-navy-2); text-decoration: none; font-size: 0.93rem; transition: color 160ms ease; }
.nav a:not(.btn)[aria-current="true"] { color: var(--on-navy); }
@media (hover: hover) and (pointer: fine) { .nav a:not(.btn):hover { color: var(--on-navy); } }
.nav-toggle { display: none; background: none; border: 0; color: var(--on-navy); width: 2.75rem; height: 2.75rem; padding: 0.55rem; cursor: pointer; border-radius: 6px; }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav {
    position: absolute; inset: 100% 0 auto 0; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--navy); border-bottom: 1px solid var(--navy-line); padding: 0.5rem var(--gutter) 1.25rem;
    opacity: 0; transform: translateY(-0.5rem); visibility: hidden;
    transition: opacity 200ms var(--ease-out), transform 200ms var(--ease-out), visibility 0s linear 200ms;
  }
  .nav.is-open { opacity: 1; transform: none; visibility: visible; transition-delay: 0s; }
  .nav a:not(.btn) { padding: 0.85rem 0; border-bottom: 1px solid var(--navy-line); font-size: 1.05rem; }
  .nav .btn { margin-top: 1rem; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; isolation: isolate;
  background: #00173C; color: var(--on-navy);
  min-height: min(92vh, 56rem); display: flex; align-items: center;
}
.hero-sim { position: absolute; inset: 0; z-index: -2; }
.hero-sim canvas { width: 100%; height: 100%; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    linear-gradient(90deg, rgba(7, 31, 69, 0.95) 0%, rgba(7, 31, 69, 0.82) 36%, rgba(7, 31, 69, 0.2) 64%, rgba(7, 31, 69, 0) 100%),
    linear-gradient(0deg, rgba(0, 11, 32, 0.7) 0%, rgba(0, 11, 32, 0) 30%);
}
.hero-inner { padding-block: 6rem 7rem; }
.hero-copy { max-width: 41rem; }
.hero h1 { color: var(--on-navy); font-size: var(--text-hero); font-weight: 700; letter-spacing: -0.015em; line-height: 1.02; margin-top: 1.4rem; }
.hero .hl { color: var(--light-blue); }
.lede { margin-top: 1.6rem; font-size: clamp(1.05rem, 0.95rem + 0.4vw, 1.2rem); color: var(--on-navy-2); max-width: 35rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2.2rem; }
.sectors-line {
  margin-top: 2.6rem; font-family: var(--font-head); font-weight: 500; text-transform: uppercase;
  letter-spacing: 0.2em; font-size: 0.78rem; color: var(--on-navy-3);
}
.sectors-line span { margin-inline: 0.6em; }

.hud { position: absolute; right: var(--gutter); bottom: 1.25rem; display: flex; align-items: center; gap: 0.75rem; font-size: 0.75rem; color: var(--on-navy-3); }
.hud-text { display: flex; align-items: center; gap: 0.55rem; }
.live-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--light-blue); box-shadow: 0 0 0 3px rgba(78, 139, 255, 0.2); }
.hud-btn {
  display: grid; place-items: center; width: 2.25rem; height: 2.25rem; border-radius: 50%;
  border: 1px solid rgba(195, 210, 234, 0.35); background: rgba(0, 11, 32, 0.5); color: var(--on-navy); cursor: pointer;
  transition: border-color 160ms ease;
}
.hud-btn svg { width: 0.9rem; height: 0.9rem; }
.hud-btn .i-play { display: none; }
.hud-btn[aria-pressed="true"] .i-play { display: block; }
.hud-btn[aria-pressed="true"] .i-pause { display: none; }
.hero.is-paused .live-dot { background: var(--on-navy-3); box-shadow: none; }
@media (hover: hover) and (pointer: fine) { .hud-btn:hover { border-color: var(--on-navy); } }

@media (max-width: 760px) {
  .hero { flex-direction: column; align-items: stretch; min-height: 0; }
  .hero-sim { position: relative; inset: auto; order: 2; aspect-ratio: 1 / 1; max-height: 34rem; z-index: 0; }
  .hero::before { background: none; }
  .hero-inner { order: 1; padding-block: 3rem 2rem; }
  .hud { position: relative; right: auto; bottom: auto; order: 3; padding: 0.9rem var(--gutter) 1.2rem; justify-content: space-between; }
}

/* ---------- Sections ---------- */
.section { padding-block: var(--section-y); position: relative; }
.section-tint { background: var(--card); }
.section-tint .block { background: var(--paper); }
.section-navy { background: var(--navy); color: var(--on-navy); }
.section-navy h2, .section-navy h3 { color: var(--on-navy); }
.section-head { max-width: 46rem; margin-bottom: clamp(2.5rem, 2rem + 2vw, 3.75rem); }
.section-head p:not(.label) { margin-top: 1.1rem; color: var(--muted); font-size: 1.1rem; }
.section-navy .section-head p:not(.label) { color: var(--on-navy-2); }

.ticks { list-style: none; padding: 0; margin: 1.25rem 0 0; display: grid; gap: 0.6rem; }
.ticks li { position: relative; padding-left: 1.4rem; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 0.45rem; height: 0.45rem; border: 1.5px solid var(--accent); transform: rotate(45deg); }

/* Expertises */
.moments { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.moment h3 { font-size: var(--text-xl); }
.moment > p { margin-top: 0.9rem; color: var(--muted); }
.domains { margin: 1.25rem 0 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1.25rem; }
.domains dt { font-family: var(--font-head); font-weight: 600; font-size: 1.1rem; color: var(--navy); }
.domains dd { margin: 0.55rem 0 0; color: var(--muted); font-size: 0.93rem; }
@media (max-width: 1100px) { .domains { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 860px) { .moments { grid-template-columns: 1fr; } .domains { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .domains { grid-template-columns: 1fr; } }

/* ---------- Panneaux de simulation ---------- */
.sim-panel {
  display: grid; grid-template-columns: minmax(0, 1.75fr) minmax(0, 1fr);
  border: 1px solid var(--navy-line); border-radius: var(--radius); overflow: hidden; background: var(--navy-panel);
}
.sim-panel + .sim-panel { margin-top: 2rem; }
.sim-panel-flip { grid-template-columns: minmax(0, 1fr) minmax(0, 1.75fr); }
.sim-panel-flip .sim-view { order: 2; }
.sim-view { position: relative; background: #000B20; min-height: 30rem; }
.sim-view canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.sim-side { padding: clamp(1.25rem, 2.5vw, 2rem); display: flex; flex-direction: column; gap: 1rem; border-left: 1px solid var(--navy-line); }
.sim-panel-flip .sim-side { border-left: 0; border-right: 1px solid var(--navy-line); }
.sim-side h3 { font-size: 1.3rem; }
.sim-desc { color: var(--on-navy-2); font-size: 0.92rem; }

.sim-legend {
  position: absolute; left: 1rem; top: 1rem; font-size: 0.66rem; color: var(--on-navy);
  background: rgba(0, 11, 32, 0.75); padding: 0.6rem 0.7rem; border-radius: 4px; border: 1px solid var(--navy-line);
  font-variant-numeric: tabular-nums;
}
.sim-legend .lg-title { color: var(--on-navy-2); margin-bottom: 0.4rem; max-width: 9rem; line-height: 1.3; }
.sim-legend .lg-row { display: flex; align-items: center; gap: 0.5rem; line-height: 1.35; }
.sim-legend .lg-sw { width: 0.8rem; height: 0.7rem; }

.ctl-label { font-size: 0.85rem; color: var(--on-navy-3); margin-right: 0.2rem; }
.control label { display: flex; justify-content: space-between; margin-bottom: 0.4rem; color: var(--on-navy-3); font-size: 0.88rem; }
.control output { color: var(--on-navy); font-variant-numeric: tabular-nums; }
.control-row { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem 1rem; color: var(--on-navy-2); font-size: 0.88rem; }

input[type="range"] { width: 100%; height: 1.6rem; margin: 0; background: transparent; -webkit-appearance: none; appearance: none; cursor: pointer; }
input[type="range"]::-webkit-slider-runnable-track { height: 3px; background: var(--navy-line); border-radius: 2px; }
input[type="range"]::-moz-range-track { height: 3px; background: var(--navy-line); border-radius: 2px; }
input[type="range"]::-moz-range-progress { height: 3px; background: var(--light-blue); }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 1.1rem; height: 1.1rem; margin-top: -0.45rem; border-radius: 50%; background: #fff; border: 3px solid var(--accent); }
input[type="range"]::-moz-range-thumb { width: 0.85rem; height: 0.85rem; border-radius: 50%; background: #fff; border: 3px solid var(--accent); }

.check { display: inline-flex; align-items: center; gap: 0.5rem; cursor: pointer; min-height: 2.2rem; }
.check input { width: 1.05rem; height: 1.05rem; accent-color: var(--accent); margin: 0; }

.seg { display: inline-flex; flex-wrap: wrap; border: 1px solid var(--navy-line); border-radius: 6px; padding: 2px; background: rgba(0, 11, 32, 0.5); }
.seg label { position: relative; cursor: pointer; }
.seg input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.seg span { display: block; padding: 0.42rem 0.75rem; border-radius: 4px; font-size: 0.84rem; color: var(--on-navy-3); transition: background-color 160ms ease, color 160ms ease; }
.seg input:checked + span { background: var(--accent); color: #fff; }
.seg input:focus-visible + span { outline: 2px solid var(--light-blue); outline-offset: 1px; }

.monitor { position: relative; height: 5rem; border: 1px solid var(--navy-line); border-radius: 4px; background: rgba(0, 11, 32, 0.6); }
.monitor canvas { width: 100%; height: 100%; }
.monitor-label { position: absolute; left: 0.5rem; top: 0.3rem; font-size: 0.66rem; color: var(--on-navy-3); }
.monitor-label i { font-style: normal; margin-left: 0.3rem; }
.k-ke { color: var(--light-blue); } .k-ie { color: #FFB02E; } .k-te { color: #fff; }

.readout { margin: 0; border-top: 1px solid var(--navy-line); }
.readout > div { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; padding: 0.5rem 0; border-bottom: 1px solid var(--navy-line); }
.readout dt { font-size: 0.85rem; color: var(--on-navy-3); }
.readout dd { margin: 0; font-size: 0.92rem; font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }
.readout-key dd { color: var(--light-blue); }
.readout dd.is-bad { color: #FF8A7A; }
.sim-meta { font-size: 0.72rem; color: var(--on-navy-3); margin-top: auto; }
.sim-note { margin-top: 1.5rem; font-size: 0.82rem; color: var(--on-navy-3); max-width: 52rem; }

@media (max-width: 1100px) {
  .sim-panel, .sim-panel-flip { grid-template-columns: 1fr; }
  .sim-panel-flip .sim-view { order: 0; }
  .sim-side, .sim-panel-flip .sim-side { border: 0; border-top: 1px solid var(--navy-line); }
  .sim-view { min-height: 0; aspect-ratio: 16 / 10; }
}
@media (max-width: 540px) {
  .sim-view { aspect-ratio: 4 / 3.4; }
  .sim-legend { left: 0.5rem; top: 0.5rem; font-size: 0.56rem; padding: 0.35rem 0.45rem; }
  .sim-legend .lg-title { max-width: 6rem; }
}

/* ---------- Méthode ---------- */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.step-num { font-family: var(--font-head); font-weight: 600; font-size: 0.85rem; letter-spacing: 0.16em; color: var(--muted); }
.steps h3 { margin-top: 0.8rem; font-size: 1.1rem; }
.step-verb { display: block; margin-bottom: 0.5rem; font-size: clamp(1.9rem, 1.4rem + 1.5vw, 2.6rem); font-weight: 700; color: var(--navy); }
.steps li:nth-child(2) .step-verb { color: var(--accent); }
.steps p { margin-top: 0.8rem; color: var(--muted); }
.deliverables { margin-top: clamp(3rem, 6vw, 4.5rem); display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2.2fr); gap: 2rem; }
.deliverables h3 { font-size: var(--text-xl); }
.ticks-cols { margin: 0; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.8rem 2rem; }
@media (max-width: 860px) { .steps, .deliverables, .ticks-cols { grid-template-columns: 1fr; } }

/* ---------- Offres ---------- */
.offers { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.25rem; }
.offer { display: flex; flex-direction: column; }
.offer-time { font-family: var(--font-head); font-weight: 600; font-size: 0.8rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.offer h3 { margin-top: 0.5rem; font-size: 1.35rem; }
.offer p:not(.offer-time):not(.offer-out) { margin-top: 0.8rem; color: var(--muted); font-size: 0.96rem; }
.offer-out { margin-top: auto; padding-top: 1.2rem; font-size: 0.88rem; font-weight: 600; color: var(--navy); }
@media (max-width: 1000px) { .offers { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .offers { grid-template-columns: 1fr; } }

/* ---------- Réalisations ---------- */
.cases { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.case-sector { font-family: var(--font-head); font-weight: 600; font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.case h3 { margin-top: 0.5rem; font-size: var(--text-xl); }
.case dl { margin: 1.2rem 0 0; }
.case dl > div { display: grid; grid-template-columns: 7rem minmax(0, 1fr); gap: 1rem; padding: 0.65rem 0; border-top: 1px solid var(--rule); }
.case dt { font-size: 0.85rem; font-weight: 600; color: var(--navy); }
.case dd { margin: 0; color: var(--muted); font-size: 0.95rem; }
@media (max-width: 860px) { .cases { grid-template-columns: 1fr; } }
@media (max-width: 440px) { .case dl > div { grid-template-columns: 1fr; gap: 0.2rem; } }

/* ---------- À propos ---------- */
.about { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.4fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.portrait { margin: 0; }
.portrait-placeholder {
  aspect-ratio: 4 / 5; border: 1px dashed var(--silver); border-radius: var(--radius);
  display: grid; place-items: center; align-content: center; gap: 1rem; color: var(--muted); background: var(--paper);
}
.portrait-placeholder svg { width: 40%; }
.portrait figcaption { margin-top: 0.9rem; font-size: 0.9rem; color: var(--muted); line-height: 1.45; }
.portrait figcaption strong { font-family: var(--font-head); font-size: 1.1rem; color: var(--navy); }
.about-lede { margin-top: 1.4rem; font-size: 1.2rem; line-height: 1.5; }
.about-copy > p:not(.about-lede):not(.label) { margin-top: 1rem; color: var(--muted); max-width: 40rem; }
.todo-block { padding: 0.9rem 1rem; border: 1px dashed var(--silver); border-radius: var(--radius); }
.facts { list-style: none; padding: 0; margin: 2rem 0 0; border-top: 1px solid var(--rule); }
.facts li { display: grid; grid-template-columns: 11rem minmax(0, 1fr); gap: 1rem; padding: 0.7rem 0; border-bottom: 1px solid var(--rule); }
.facts span { font-size: 0.85rem; font-weight: 600; color: var(--navy); }
.about-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }
@media (max-width: 860px) { .about { grid-template-columns: 1fr; } .portrait { max-width: 20rem; } }
@media (max-width: 440px) { .facts li { grid-template-columns: 1fr; gap: 0.1rem; } }

/* ---------- Références ---------- */
.names { list-style: none; padding: 0; margin: 0; display: grid; gap: 1.25rem; }
.names li {
  display: grid; place-items: center; text-align: center; min-height: 6.5rem; padding: 1rem;
  background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius);
  font-family: var(--font-head); font-weight: 600; font-size: 1.3rem; color: var(--navy); letter-spacing: 0.02em;
}
.names-primary { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.tier2 { margin-top: clamp(3rem, 6vw, 4.5rem); }
.tier2 h3 { font-size: var(--text-xl); }
.tier2 > p { margin-top: 0.5rem; color: var(--muted); font-size: 0.95rem; }
.names-secondary { margin-top: 1.25rem; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0.75rem; }
.names-secondary li { min-height: 4.2rem; font-size: 1.05rem; font-weight: 500; background: var(--paper); color: var(--muted); }
.quote { margin: clamp(3rem, 6vw, 4.5rem) 0 0; max-width: 52rem; }
.quote blockquote { margin: 0; }
.quote blockquote p { font-size: clamp(1.15rem, 1rem + 0.7vw, 1.5rem); line-height: 1.45; color: var(--navy); }
.quote figcaption { margin-top: 1.1rem; color: var(--muted); font-size: 0.95rem; }
.quote figcaption strong { color: var(--navy); }
.partners { margin-top: clamp(3rem, 6vw, 4.5rem); display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 2rem; align-items: start; }
.partners h3 { font-size: var(--text-xl); }
.partners p { margin-top: 0.6rem; color: var(--muted); font-size: 0.95rem; }
.partners .logo-wall { grid-column: 2; grid-row: 1 / span 2; }
.logo-wall { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.75rem; }
.logo-slot { display: grid; place-items: center; aspect-ratio: 3 / 1.6; border: 1px dashed var(--silver); border-radius: var(--radius); }
@media (max-width: 960px) {
  .names-primary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .names-secondary { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .partners { grid-template-columns: 1fr; }
  .partners .logo-wall { grid-column: auto; grid-row: auto; }
}
@media (max-width: 480px) { .names-secondary { grid-template-columns: repeat(2, minmax(0, 1fr)); } .names li { font-size: 1.1rem; } }

/* ---------- FAQ ---------- */
.faq-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 2rem; }
.faq { border-top: 1px solid var(--rule); }
.faq details { border-bottom: 1px solid var(--rule); }
.faq summary { list-style: none; cursor: pointer; padding: 1.2rem 2.5rem 1.2rem 0; position: relative; font-weight: 600; font-size: 1.03rem; color: var(--navy); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 0.4rem; top: 50%; width: 0.6rem; height: 0.6rem;
  border-right: 1.5px solid var(--accent); border-bottom: 1.5px solid var(--accent);
  transform: translateY(-70%) rotate(45deg); transition: transform 200ms var(--ease-out);
}
.faq details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq details p { padding-bottom: 1.3rem; color: var(--muted); max-width: 42rem; }
@media (max-width: 860px) { .faq-grid { grid-template-columns: 1fr; } }

/* ---------- Contact ---------- */
.contact-section { overflow: hidden; }
.bevel { position: absolute; top: 0; right: 0; width: clamp(9rem, 22vw, 17rem); height: clamp(7rem, 17vw, 13.3rem); pointer-events: none; }
.bevel svg { width: 100%; height: 100%; }
.contact { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: clamp(2.5rem, 5vw, 5rem); }
.contact-copy > p:not(.label) { margin-top: 1.2rem; color: var(--on-navy-2); font-size: 1.1rem; max-width: 30rem; }
.direct { list-style: none; padding: 0; margin: 2.2rem 0 0; border-top: 1px solid var(--navy-line); }
.direct li { display: grid; grid-template-columns: 7.5rem minmax(0, 1fr); gap: 1rem; padding: 0.8rem 0; border-bottom: 1px solid var(--navy-line); }
.direct li > span:first-child { font-size: 0.85rem; color: var(--on-navy-3); }
.direct a { color: var(--on-navy); word-break: break-word; }
.form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.1rem 1.25rem; align-content: start; }
.field { display: flex; flex-direction: column; gap: 0.45rem; }
.field-full { grid-column: 1 / -1; }
.field label { font-size: 0.88rem; color: var(--on-navy); }
.opt { color: var(--on-navy-3); font-size: 0.8rem; margin-left: 0.3rem; }
.form input:not([type="checkbox"]), .form select, .form textarea {
  font: inherit; font-size: 1rem; color: var(--on-navy); background: rgba(0, 11, 32, 0.45);
  border: 1px solid rgba(110, 151, 221, 0.35); border-radius: 6px; padding: 0.75rem 0.85rem; min-height: 2.9rem;
  transition: border-color 160ms ease;
}
.form select option { color: var(--ink); }
.form textarea { resize: vertical; min-height: 8rem; }
.form input::placeholder, .form textarea::placeholder { color: #7F95B8; }
.form input:focus-visible, .form select:focus-visible, .form textarea:focus-visible { outline: none; border-color: var(--light-blue); }
.form [aria-invalid="true"] { border-color: #FF8A7A; }
.form .check { color: var(--on-navy-2); font-size: 0.92rem; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; margin-top: 0.4rem; }
.form-status { font-size: 0.9rem; color: var(--on-navy-2); }
.form-status.is-error { color: #FF9C8F; }
.form-status.is-ok { color: #9EE6B8; }
.legal-note { font-size: 0.8rem; color: var(--on-navy-3); }
.legal-note a { color: var(--on-navy); }
@media (max-width: 860px) { .contact { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .form { grid-template-columns: 1fr; } }

/* ---------- Pied de page ---------- */
.site-footer { background: #000B20; color: var(--on-navy-3); font-size: 0.9rem; }
.footer-band { position: relative; height: 2.5rem; background: var(--grad-band); overflow: hidden; }
.footer-band svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-start; gap: 1.5rem 3rem; padding-block: 2.5rem; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 0.4rem 1.5rem; }
.footer-nav a { text-decoration: none; }
@media (hover: hover) and (pointer: fine) { .footer-nav a:hover { color: var(--on-navy); text-decoration: underline; } }

/* ---------- Pages de contenu ---------- */
.doc { padding-block: clamp(3rem, 6vw, 6rem); }
.doc .wrap { max-width: 48rem; }
.doc h1 { font-size: var(--text-2xl); }
.doc h2 { font-size: var(--text-xl); margin-top: 3rem; }
.doc p, .doc li { color: var(--muted); }
.doc p { margin-top: 1rem; }
.doc dl { margin: 1rem 0 0; border-top: 1px solid var(--rule); }
.doc dl > div { display: grid; grid-template-columns: 13rem minmax(0, 1fr); gap: 1rem; padding: 0.65rem 0; border-bottom: 1px solid var(--rule); }
.doc dt { font-weight: 600; font-size: 0.92rem; color: var(--navy); }
.doc dd { margin: 0; color: var(--muted); }
@media (max-width: 520px) { .doc dl > div { grid-template-columns: 1fr; gap: 0.1rem; } }

/* =========================================================
   v4 : bilingue, logos, prestations, vues 3D
   ========================================================= */
/* Sélecteur de langue : deux segments identiques (même police, même taille), la langue active pleine */
.lang-switch { display: inline-flex; align-items: center; gap: 2px; padding: 2px; border: 1px solid var(--navy-line); border-radius: 7px; background: rgba(0, 11, 32, 0.35); }
.lang-switch > span, .lang-switch > a, .nav .lang-switch > a:not(.btn) {
  display: inline-grid; place-items: center; min-width: 2.15rem; height: 1.8rem; padding: 0 0.5rem; margin: 0; border: 0; border-radius: 5px;
  font: 600 0.74rem/1 var(--font-head); letter-spacing: 0.08em; text-decoration: none;
}
.lang-switch > span { background: var(--accent); color: #fff; }
.lang-switch > a, .nav .lang-switch > a:not(.btn) { color: var(--on-navy-3); transition: color 160ms ease, background-color 160ms ease; }
@media (hover: hover) and (pointer: fine) { .lang-switch > a:hover, .nav .lang-switch > a:not(.btn):hover { color: #fff; background: rgba(195, 210, 234, 0.12); } }
@media (max-width: 860px) { .nav .lang-switch { align-self: flex-start; margin-top: 1rem; } }

.physics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.25rem; }
.physics h3 { font-size: 1.2rem; }
.physics p { margin-top: 0.6rem; color: var(--muted); font-size: 0.95rem; }
.sub-head { margin: clamp(3.5rem, 6vw, 5rem) 0 1.5rem; }
.sub-head h3 { font-size: var(--text-xl); }
.services { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.services h4 { margin: 0; font-family: var(--font-head); font-weight: 600; font-size: 1.2rem; color: var(--navy); }
.services .ticks { margin-top: 0.9rem; }
.services .ticks li { color: var(--muted); font-size: 0.96rem; }
.engagements { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 2.5rem; }
.engagements li { position: relative; padding: 0.75rem 0 0.75rem 1.6rem; border-bottom: 1px solid var(--rule); font-family: var(--font-head); font-weight: 500; font-size: 1.05rem; color: var(--navy); }
.engagements li::before { content: ""; position: absolute; left: 0.15rem; top: 50%; width: 0.5rem; height: 0.5rem; border-right: 1.5px solid var(--accent); border-top: 1.5px solid var(--accent); transform: translateY(-50%) rotate(45deg); }
@media (max-width: 1000px) { .physics { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 760px) { .services, .engagements { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .physics { grid-template-columns: 1fr; } }

.process { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.25rem; counter-reset: step; }
.process li { text-align: center; }
.process .num {
  display: inline-grid; place-items: center; width: 2.2rem; height: 2.2rem; border-radius: 50%;
  background: var(--navy); color: #fff; font-family: var(--font-head); font-weight: 700;
}
.process h3 { margin-top: 0.8rem; font-size: 1.15rem; }
.process p { margin-top: 0.5rem; color: var(--muted); font-size: 0.94rem; }
@media (max-width: 860px) { .process { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 480px) { .process { grid-template-columns: 1fr; } }

/* Logos (charte §7 : calibrage à surface optique équivalente) */
.logo-grid { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; }
.logo-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.logo-grid-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.logo-tile {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.5rem;
  min-height: 7rem; padding: 1.1rem 1.25rem; background: #fff; border: 1px solid var(--card-border); border-radius: var(--radius);
}
.logo-tile img { width: auto; height: auto; max-width: 82%; max-height: 2.6rem; object-fit: contain; }
.logo-tile img.sq { max-height: 3.4rem; max-width: 4rem; }
.logo-tile .logo-name { font-family: var(--font-head); font-weight: 600; font-size: 0.85rem; color: var(--navy); letter-spacing: 0.02em; }
.logo-grid-5 .logo-tile { min-height: 5.6rem; }
.logo-grid-5 .logo-tile img { max-height: 2rem; }
.logo-grid-5 .logo-tile img.sq { max-height: 2.8rem; }
.tools-line { margin-top: 1.25rem; color: var(--muted); font-size: 0.92rem; }
.tools-line strong { color: var(--navy); font-weight: 600; }
@media (max-width: 960px) { .logo-grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .logo-grid-5 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 480px) { .logo-grid-5 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* Vues 3D */
.sim-view canvas.is-3d { cursor: grab; touch-action: pan-y; }
.sim-view canvas.is-3d:active { cursor: grabbing; }
.sim-hud { position: absolute; right: 1rem; top: 0.9rem; text-align: right; font-size: 0.75rem; color: var(--on-navy-2); pointer-events: none; }
.sim-hud strong { display: block; color: #fff; font-size: 0.82rem; font-weight: 600; }
.sim-tag {
  position: absolute; transform: translate(-50%, -140%); pointer-events: none; white-space: nowrap;
  font-size: 0.68rem; font-weight: 600; padding: 0.15rem 0.45rem; border-radius: 3px; color: #fff;
}
.sim-tag-in { background: rgba(15, 87, 237, 0.85); }
.sim-tag-out { background: rgba(214, 64, 52, 0.85); }
.sim-help { position: absolute; left: 1rem; bottom: 0.8rem; font-size: 0.68rem; color: var(--on-navy-3); pointer-events: none; }
.sim-fallback { position: absolute; inset: 0; display: grid; place-items: center; padding: 2rem; text-align: center; color: var(--on-navy-2); }
.contact-link { color: var(--on-navy) !important; }

.logo-tile img.tall { max-height: 3.6rem; max-width: 70%; }

/* =========================================================
   v5 : déroulement animé, hero frein, vues 3D
   ========================================================= */
.process { position: relative; }
.process-track {
  position: absolute; left: 12.5%; right: 12.5%; top: calc(clamp(1.25rem, 2.4vw, 2rem) + 1.1rem); height: 2px;
  background: var(--rule); border-radius: 2px; overflow: hidden; pointer-events: none; z-index: 0;
}
.process-track::after {
  content: ""; position: absolute; inset: 0; background: var(--accent);
  transform-origin: left center; transform: scaleX(var(--progress, 0));
  transition: transform 900ms var(--ease-out);
}
.process li { position: relative; z-index: 1; transition: transform 420ms var(--ease-out), box-shadow 420ms var(--ease-out), border-color 420ms ease, opacity 600ms var(--ease-out); }
.process .num { position: relative; transition: transform 420ms var(--ease-out), background-color 300ms ease; }
.process .num::after {
  content: ""; position: absolute; inset: -6px; border-radius: 50%; border: 2px solid var(--accent);
  opacity: 0; transform: scale(0.8);
}
.process li.is-active { border-color: rgba(15, 87, 237, 0.45); transform: translateY(-6px); box-shadow: 0 14px 30px -18px rgba(7, 31, 69, 0.45); }
.process li.is-active .num { background: var(--accent); transform: scale(1.12); }
.process li.is-active .num::after { animation: step-ring 1.6s var(--ease-out) infinite; }
.process li.is-done .num { background: var(--navy-2); }
@keyframes step-ring { 0% { opacity: 0.8; transform: scale(0.85); } 100% { opacity: 0; transform: scale(1.5); } }
.js .process:not(.is-in) li { opacity: 0; transform: translateY(26px); }
.process.is-in li { transition-delay: calc(var(--i, 0) * 110ms); }
.process.is-in li.is-active, .process.is-in li.is-done { transition-delay: 0ms; }
@media (max-width: 860px) { .process-track { display: none; } }
@media (prefers-reduced-motion: reduce) {
  .js .process:not(.is-in) li { opacity: 1; transform: none; }
  .process li, .process .num, .process-track::after { transition: none; }
  .process li.is-active { transform: none; }
  .process li.is-active .num::after { animation: none; }
}

.hero-legend { display: flex; align-items: center; gap: 0.5rem; }
.hero-legend .lg-grad { width: 7rem; height: 0.5rem; border-radius: 2px; }
.hud-seg { display: inline-flex; border: 1px solid rgba(195, 210, 234, 0.3); border-radius: 999px; padding: 2px; background: rgba(0, 11, 32, 0.45); }
.hud-seg button { font: inherit; font-size: 0.72rem; color: var(--on-navy-3); background: none; border: 0; padding: 0.3rem 0.65rem; border-radius: 999px; cursor: pointer; }
.hud-seg button[aria-pressed="true"] { background: var(--accent); color: #fff; }
.hud { flex-wrap: wrap; justify-content: flex-end; }
.hud-readout { font-variant-numeric: tabular-nums; color: var(--on-navy-2); }
.hud-readout b { color: #fff; font-weight: 600; }
@media (max-width: 760px) { .hud { justify-content: flex-start; } }

.process-wrap { position: relative; }

/* =========================================================
   v6 : portrait animé, soulignement des prestations, liens LinkedIn
   ========================================================= */
.portrait-link { display: block; text-decoration: none; color: inherit; perspective: 900px; }
.portrait-frame {
  position: relative; aspect-ratio: 4 / 5; border-radius: var(--radius); overflow: hidden;
  background: var(--navy); transform-style: preserve-3d;
  transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: transform 500ms var(--ease-out), box-shadow 500ms var(--ease-out);
  box-shadow: 0 18px 40px -28px rgba(7, 31, 69, 0.55);
}
.portrait-frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transform: scale(1.02); transition: transform 1.2s var(--ease-out), filter 600ms ease; }
.portrait-frame .portrait-placeholder { position: absolute; inset: 0; border: 0; border-radius: 0; display: none; }
.portrait-frame.no-photo img { display: none; }
.portrait-frame.no-photo .portrait-placeholder { display: grid; }
.portrait-mesh { position: absolute; inset: -12%; opacity: 0; transition: opacity 500ms ease; pointer-events: none; mix-blend-mode: screen; }
.portrait-mesh svg { width: 100%; height: 100%; }
.portrait-frame::before {
  content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background: linear-gradient(115deg, transparent 35%, rgba(255, 255, 255, 0.28) 50%, transparent 65%);
  transform: translateX(-120%);
}
.portrait-frame::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(180deg, rgba(7, 31, 69, 0) 55%, rgba(7, 31, 69, 0.85) 100%);
  opacity: 0; transition: opacity 400ms ease;
}
.portrait-badge {
  position: absolute; left: 1rem; right: 1rem; bottom: 1rem; z-index: 3;
  display: flex; align-items: center; gap: 0.55rem; color: #fff; font-weight: 600; font-size: 0.92rem;
  opacity: 0; transform: translateY(12px); transition: opacity 350ms var(--ease-out), transform 450ms var(--ease-out);
}
.portrait-badge svg { width: 1.4rem; height: 1.4rem; padding: 0.2rem; border-radius: 4px; background: #0A66C2; }
@media (hover: hover) and (pointer: fine) {
  .portrait-link:hover .portrait-frame { box-shadow: 0 30px 60px -30px rgba(7, 31, 69, 0.7); }
  .portrait-link:hover img { transform: scale(1.09) translate(-1.5%, -1%); filter: saturate(1.08) contrast(1.03); }
  .portrait-link:hover .portrait-mesh { opacity: 0.55; animation: mesh-drift 7s linear infinite; }
  .portrait-link:hover .portrait-frame::before { animation: sweep 1.4s var(--ease-out) 1; }
  .portrait-link:hover .portrait-frame::after, .portrait-link:hover .portrait-badge { opacity: 1; transform: none; }
}
.portrait-link:focus-visible .portrait-badge, .portrait-link:focus-visible .portrait-frame::after { opacity: 1; transform: none; }
@keyframes sweep { to { transform: translateX(120%); } }
@keyframes mesh-drift { from { transform: translate(0, 0); } to { transform: translate(-8%, 6%); } }
@media (prefers-reduced-motion: reduce) {
  .portrait-frame, .portrait-frame img { transition: none; transform: none !important; }
  .portrait-link:hover .portrait-mesh, .portrait-link:hover .portrait-frame::before { animation: none; }
}

/* Prestations : soulignement de gauche à droite */
.services h4 { position: relative; display: inline-block; padding-bottom: 0.35rem; }
.services h4::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; border-radius: 2px;
  background: var(--accent); transform: scaleX(0); transform-origin: left center;
  transition: transform 900ms var(--ease-out);
  transition-delay: calc(var(--i, 0) * 180ms + 150ms);
}
.services.is-in h4::after { transform: scaleX(1); }
@media (hover: hover) and (pointer: fine) {
  .services .block:hover h4::after { animation: underline 700ms var(--ease-out); }
}
@keyframes underline { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@media (prefers-reduced-motion: reduce) { .services h4::after { transition: none; transform: scaleX(1); } .services .block:hover h4::after { animation: none; } }

/* Liens LinkedIn */
.social { display: inline-flex; align-items: center; gap: 0.45rem; }
.social svg { width: 1.1rem; height: 1.1rem; flex: none; }
.footer-social { display: flex; gap: 0.6rem; margin-top: 0.9rem; }
.footer-social a {
  display: inline-grid; place-items: center; width: 2.25rem; height: 2.25rem; border-radius: 6px;
  border: 1px solid var(--navy-line); color: var(--on-navy-2); transition: border-color 160ms ease, color 160ms ease;
}
.footer-social svg { width: 1.05rem; height: 1.05rem; }
@media (hover: hover) and (pointer: fine) { .footer-social a:hover { color: #fff; border-color: var(--on-navy-2); } }

/* =========================================================
   v10 : site multi-pages, menus déroulants, Simulation Lab
   ========================================================= */
.nav { gap: 1.1rem; }
.nav-link { color: var(--on-navy-2); text-decoration: none; font-size: 0.92rem; transition: color 160ms ease; }
body[data-page="index"] .nav-link[data-nav="index"], .nav-link[aria-current="page"], .nav-dd.is-current > .nav-link { color: #fff; }
.nav-dd { position: relative; display: flex; align-items: center; gap: 0.1rem; }
.dd-toggle { display: inline-grid; place-items: center; width: 1.4rem; height: 1.6rem; padding: 0; border: 0; background: none; color: var(--on-navy-3); cursor: pointer; border-radius: 4px; }
.dd-toggle svg { width: 0.75rem; height: 0.75rem; transition: transform 200ms var(--ease-out); }
.dd {
  position: absolute; top: calc(100% + 0.7rem); left: -0.9rem; min-width: 15rem; z-index: 60;
  display: grid; padding: 0.5rem; background: #0a2550; border: 1px solid var(--navy-line); border-radius: 8px;
  box-shadow: 0 24px 50px -24px rgba(0, 0, 0, 0.6);
  opacity: 0; visibility: hidden; transform: translateY(-4px);
  transition: opacity 160ms ease, transform 200ms var(--ease-out), visibility 0s linear 200ms;
}
.dd::before { content: ""; position: absolute; left: 0; right: 0; top: -0.8rem; height: 0.8rem; }
.dd a { color: var(--on-navy-2); text-decoration: none; font-size: 0.88rem; padding: 0.5rem 0.65rem; border-radius: 5px; white-space: nowrap; }
@media (hover: hover) and (pointer: fine) {
  .nav-link:hover { color: #fff; }
  .dd a:hover { background: rgba(195, 210, 234, 0.1); color: #fff; }
  .nav-dd:hover .dd { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
  .nav-dd:hover .dd-toggle svg { transform: rotate(180deg); }
}
.nav-dd:focus-within .dd, .nav-dd.is-open .dd { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
/* Menu complet sur une ligne : entre 1241 et 1380 px, espacement et corps resserrés (menu burger en dessous) */
.nav-link { white-space: nowrap; }
@media (min-width: 861px) and (max-width: 1380px) { .nav { gap: 0.85rem; } .nav-link { font-size: 0.88rem; } .dd-toggle { width: 1.2rem; } }
@media (max-width: 860px) {
  .nav { overflow-y: auto; max-height: calc(100vh - 4.1rem); }
  .nav-link { padding: 0.8rem 0; font-size: 1.02rem; flex: 1; }
  .nav > .nav-link { border-bottom: 1px solid var(--navy-line); }
  .nav-dd { flex-wrap: wrap; border-bottom: 1px solid var(--navy-line); }
  .dd-toggle { width: 2.6rem; height: 2.6rem; }
  .dd { position: static; flex-basis: 100%; min-width: 0; display: none; opacity: 1; visibility: visible; transform: none; background: transparent; border: 0; box-shadow: none; padding: 0 0 0.6rem 0.6rem; }
  .nav-dd.is-open .dd { display: grid; }
  .nav-dd:focus-within:not(.is-open) .dd { display: none; }
  .nav-dd.is-open .dd-toggle svg { transform: rotate(180deg); }
}

/* En-têtes de page intérieure */
.page-hero { position: relative; overflow: hidden; background: var(--grad-navy); color: #fff; padding-block: clamp(3.5rem, 2.5rem + 4vw, 6rem) clamp(2.5rem, 2rem + 2vw, 4rem); }
.page-hero h1 { color: #fff; font-size: clamp(2rem, 1.4rem + 2.6vw, 3.4rem); max-width: 50rem; line-height: 1.08; }
.page-hero .lede { color: var(--on-navy-2); max-width: 46rem; }
.page-hero .label { color: var(--light-blue); }
.page-hero-mesh { position: absolute; right: 0; top: 0; width: min(45%, 34rem); height: 100%; opacity: 0.9; pointer-events: none; -webkit-mask-image: linear-gradient(90deg, transparent, #000 40%); mask-image: linear-gradient(90deg, transparent, #000 40%); }
.page-hero-mesh svg { width: 100%; height: 100%; }
.flow-line { margin-top: 1.6rem; font-family: var(--font-head); font-weight: 500; font-size: 0.9rem; letter-spacing: 0.06em; color: var(--on-navy-3); }
.flow-line span { color: var(--light-blue); margin-inline: 0.4em; }
.anchor-nav { position: sticky; top: 4.1rem; z-index: 20; background: rgba(255, 255, 255, 0.94); backdrop-filter: blur(6px); border-bottom: 1px solid var(--rule); }
.anchor-nav .wrap { display: flex; gap: 0.4rem; overflow-x: auto; padding-block: 0.6rem; scrollbar-width: none; }
.anchor-nav a { flex: none; font-size: 0.86rem; color: var(--muted); text-decoration: none; padding: 0.45rem 0.8rem; border-radius: 999px; border: 1px solid var(--card-border); background: var(--paper); transition: color 150ms ease, background-color 150ms ease, border-color 150ms ease; }
.anchor-nav a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
/* Survol net et sobre : contour et texte qui passent au bleu, sans mouvement ni ombre */
@media (hover: hover) and (pointer: fine) { .anchor-nav a:hover { color: var(--accent); border-color: var(--accent); } }
.anchor-nav a[aria-current="true"] { color: #fff; background-color: var(--navy); border-color: var(--navy); }
@media (hover: hover) and (pointer: fine) { .anchor-nav a[aria-current="true"]:hover { background-color: var(--navy-2); border-color: var(--navy-2); } }

/* Simulation Lab */
.lab-section { padding-top: clamp(2rem, 1.5rem + 2vw, 3rem); background: var(--card); }
.lab { display: grid; grid-template-columns: 17rem minmax(0, 1fr); gap: clamp(1.25rem, 2.5vw, 2.5rem); align-items: start; }
.lab-nav { position: sticky; top: 5rem; display: grid; gap: 1rem; }
.lab-select-wrap { display: none; }
.lab-group-title { font-family: var(--font-head); font-weight: 600; font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin: 0 0 0.4rem; }
.lab-group { margin-bottom: 0.9rem; }
.lab-item { display: block; padding: 0.6rem 0.75rem; border-radius: 7px; text-decoration: none; color: var(--navy); border: 1px solid transparent; transition: background-color 160ms ease, border-color 160ms ease; }
.lab-item span { display: block; font-weight: 600; font-size: 0.94rem; line-height: 1.25; }
.lab-item small { display: block; font-size: 0.75rem; color: var(--muted); margin-top: 0.1rem; }
.lab-item.is-active { background: var(--navy); border-color: var(--navy); }
.lab-item.is-active span { color: #fff; } .lab-item.is-active small { color: var(--on-navy-2); }
@media (hover: hover) and (pointer: fine) { .lab-item:not(.is-active):hover { background: #fff; border-color: var(--card-border); } }
.lab-head h2 { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.2rem); }
.lab-problem { margin-top: 0.6rem; color: var(--muted); font-size: 1.05rem; max-width: 52rem; }
.lab-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.9rem; }
.tag { font-size: 0.75rem; padding: 0.2rem 0.6rem; border-radius: 999px; border: 1px solid var(--card-border); color: var(--muted); background: #fff; text-decoration: none; }
.tag-exp { color: var(--accent); border-color: rgba(15, 87, 237, 0.35); }
.lab-view { position: relative; margin-top: 1.25rem; aspect-ratio: 16 / 9; min-height: 22rem; border-radius: 10px; overflow: hidden; background: radial-gradient(ellipse at 50% 30%, #2d4f80 0%, #12305c 55%, #081d3f 100%); border: 1px solid var(--navy-line); }
.lab-canvas { position: absolute; inset: 0; width: 100%; height: 100%; cursor: grab; touch-action: pan-y; }
.lab-canvas:active { cursor: grabbing; }
.lab-labels { position: absolute; inset: 0; pointer-events: none; }
.lab-toolbar {
  position: absolute; left: 0.75rem; right: 0.75rem; bottom: 0.75rem; display: flex; flex-wrap: wrap; align-items: center; gap: 0.4rem;
  padding: 0.35rem; border-radius: 8px; background: rgba(0, 11, 32, 0.72); border: 1px solid var(--navy-line); backdrop-filter: blur(4px); width: fit-content; max-width: calc(100% - 1.5rem);
}
.tb-btn, .tb-icon { display: inline-flex; align-items: center; gap: 0.4rem; height: 2.1rem; padding: 0 0.7rem; border-radius: 5px; border: 1px solid var(--navy-line); background: rgba(195, 210, 234, 0.06); color: #fff; font: 500 0.82rem var(--font-body); cursor: pointer; }
.tb-icon { width: 2.1rem; padding: 0; justify-content: center; }
.tb-btn svg, .tb-icon svg { width: 0.85rem; height: 0.85rem; }
.tb-btn .i-play { display: none; } .tb-btn[aria-pressed="true"] .i-play { display: block; } .tb-btn[aria-pressed="true"] .i-pause { display: none; }
.tb-check { display: inline-flex; align-items: center; gap: 0.35rem; height: 2.1rem; padding: 0 0.6rem; color: var(--on-navy-2); font-size: 0.82rem; cursor: pointer; }
.tb-check input { accent-color: var(--accent); }
.tb-sel { display: inline-flex; align-items: center; gap: 0.35rem; color: var(--on-navy-3); font-size: 0.78rem; }
.tb-sel select { height: 2.1rem; font: 500 0.82rem var(--font-body); color: #fff; background: #0a2550; border: 1px solid var(--navy-line); border-radius: 5px; padding: 0 0.4rem; }
.tb-sep { width: 1px; height: 1.4rem; background: var(--navy-line); margin-inline: 0.2rem; }
@media (hover: hover) and (pointer: fine) { .tb-btn:hover, .tb-icon:hover { border-color: var(--on-navy-2); } }
.lab-view .sim-legend { left: 0.9rem; top: 0.9rem; }
.lab-view .sim-hud { top: 0.9rem; right: 0.9rem; }
.sim-hud strong + span { display: block; }
.lab-params { margin-top: 1.25rem; display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: 0.9rem 1.5rem; padding: 1.1rem 1.25rem; background: var(--navy); border-radius: 10px; color: var(--on-navy-2); }
.lab-params .control-row { flex-wrap: wrap; }
.lab-params .ctl-label { flex-basis: 100%; }
.lab-h { font-size: 1.05rem; margin: 1.75rem 0 0.8rem; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(10.5rem, 1fr)); gap: 0.75rem; }
.kpi { background: #fff; border: 1px solid var(--card-border); border-radius: 9px; padding: 0.9rem 1rem; display: flex; flex-direction: column; gap: 0.35rem; }
.kpi-label { font-size: 0.78rem; color: var(--muted); line-height: 1.3; }
.kpi-value { font-family: var(--font-head); font-size: 1.45rem; font-weight: 700; color: var(--navy); font-variant-numeric: tabular-nums; }
.kpi.is-bad { border-color: #f2b8b2; background: #fff6f5; } .kpi.is-bad .kpi-value { color: #b4231a; }
.kpi.is-good .kpi-value { color: #12775a; }
.lab-analysis { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1.5rem; }
.lab-analysis .block { background: #fff; }
.lab-analysis .lab-h { margin-top: 0; }
.lab-analysis p { color: var(--muted); }
.lab-cta { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem; }
.lab-conf { margin-top: 1.5rem; padding: 1rem 1.2rem; border-left: 0; border-radius: 8px; background: rgba(7, 31, 69, 0.05); color: var(--navy); font-size: 0.9rem; }
.lab-note { margin-top: 0.75rem; font-size: 0.8rem; color: var(--muted); }
.sim-pick { position: absolute; transform: translate(-50%, -120%); background: #fff; color: var(--navy); border-radius: 6px; padding: 0.4rem 0.65rem; font-size: 0.78rem; box-shadow: 0 8px 24px -10px rgba(0, 0, 0, 0.5); white-space: nowrap; pointer-events: none; }
.sim-pick strong { display: block; font-size: 0.82rem; }
.lab-chart { position: absolute; right: 0.9rem; top: 3.9rem; width: min(46%, 22rem); height: 11rem; background: rgba(0, 11, 32, 0.78); border: 1px solid var(--navy-line); border-radius: 8px; }
.lab-chart canvas { width: 100%; height: 100%; }
@media (max-width: 980px) {
  .lab { grid-template-columns: minmax(0, 1fr); }
  .lab-nav { position: static; }
  .lab-nav > div { display: none; }
  .lab-select-wrap { display: block; }
  .lab-select-wrap select { width: 100%; height: 2.8rem; font: 600 1rem var(--font-body); border-radius: 8px; border: 1px solid var(--card-border); padding: 0 0.8rem; color: var(--navy); background: #fff; }
  .lab-analysis { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .lab-view { aspect-ratio: 4 / 4.2; min-height: 0; }
  .tb-sel span { display: none; }
  .lab-chart { width: calc(100% - 1.8rem); height: 8rem; top: auto; bottom: 4.6rem; }
}

/* Pied de page en colonnes */
.footer-grid { display: grid; grid-template-columns: 1.3fr repeat(3, 1fr); gap: 2rem; padding-block: 2.75rem 1.5rem; }
.footer-col { display: flex; flex-direction: column; gap: 0.45rem; }
.footer-col a { color: var(--on-navy-2); text-decoration: none; font-size: 0.88rem; }
@media (hover: hover) and (pointer: fine) { .footer-col a:hover { color: #fff; text-decoration: underline; } }
.footer-h { font-family: var(--font-head); font-weight: 600; font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: #fff; margin-bottom: 0.3rem; }
.footer-addr { font-size: 0.85rem; color: var(--on-navy-3); margin-top: 0.8rem; }
.footer-addr a { color: var(--on-navy-2); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem; padding-block: 1.1rem 1.6rem; border-top: 1px solid var(--navy-line); font-size: 0.82rem; color: var(--on-navy-3); }
.footer-bottom a { color: var(--on-navy-2); }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }

/* =========================================================
   v10 : pages intérieures
   ========================================================= */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out); }
.js .reveal.is-in { opacity: 1; transform: none; }

.process-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 1rem; }
.process-6 ~ .process-track, .process-wrap .process-6 + .process-track { left: 8.33%; right: 8.33%; }
.process-wrap.w6 .process-track { left: 8.33%; right: 8.33%; }
.process-6 li { padding: 1.25rem 0.9rem; }
.process-6 h3 { font-size: 1.02rem; }
.process-6 p { font-size: 0.86rem; }
@media (max-width: 1100px) { .process-6 { grid-template-columns: repeat(3, minmax(0, 1fr)); } .process-wrap.w6 .process-track { display: none; } }
@media (max-width: 600px) { .process-6 { grid-template-columns: 1fr; } }

/* Cartes d'expertises */
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.card { position: relative; display: flex; flex-direction: column; gap: 0.6rem; text-decoration: none; color: inherit; transition: border-color 200ms ease, transform 300ms var(--ease-out), box-shadow 300ms var(--ease-out); }
.card h3 { font-size: 1.2rem; }
.card p { color: var(--muted); font-size: 0.95rem; }
.card .card-more { margin-top: auto; padding-top: 0.6rem; font-family: var(--font-head); font-weight: 600; font-size: 0.9rem; color: var(--accent); }
@media (hover: hover) and (pointer: fine) { a.card:hover { border-color: rgba(15, 87, 237, 0.45); transform: translateY(-4px); box-shadow: 0 16px 34px -22px rgba(7, 31, 69, 0.5); } }
@media (max-width: 1000px) { .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .cards { grid-template-columns: 1fr; } }

/* Vignettes des démonstrateurs */
.demo-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1rem; }
.demo-card { position: relative; display: flex; flex-direction: column; gap: 0.45rem; min-height: 10.5rem; padding: 1.1rem 1.1rem 1rem; border-radius: var(--radius); text-decoration: none; overflow: hidden;
  background: linear-gradient(160deg, #0d2f62 0%, #071f45 60%); border: 1px solid var(--navy-line); color: var(--on-navy); transition: border-color 200ms ease, transform 300ms var(--ease-out); }
.demo-card::after { content: ""; position: absolute; right: -2rem; bottom: -2rem; width: 7rem; height: 7rem; border-radius: 50%; background: radial-gradient(circle, var(--demo-c, #0f57ed) 0%, transparent 70%); opacity: 0.35; transition: opacity 300ms ease, transform 500ms var(--ease-out); }
.demo-card .demo-sec { font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--light-blue); font-family: var(--font-head); font-weight: 600; }
.demo-card h3 { color: #fff; font-size: 1.05rem; line-height: 1.25; }
.demo-card p { font-size: 0.8rem; color: var(--on-navy-3); margin-top: auto; }
@media (hover: hover) and (pointer: fine) { .demo-card:hover { border-color: var(--light-blue); transform: translateY(-4px); } .demo-card:hover::after { opacity: 0.7; transform: scale(1.3); } }
@media (max-width: 1150px) { .demo-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 760px) { .demo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 440px) { .demo-grid { grid-template-columns: 1fr; } }
.demo-list { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.demo-chip { display: inline-flex; align-items: center; gap: 0.45rem; padding: 0.5rem 0.85rem; border-radius: 999px; background: var(--navy); color: #fff; text-decoration: none; font-size: 0.86rem; font-weight: 500; transition: background-color 200ms ease; }
.demo-chip::before { content: ""; width: 0.5rem; height: 0.5rem; border-radius: 50%; background: linear-gradient(135deg, #00f, #0ff, #0f0, #ff0, #f00); }
@media (hover: hover) and (pointer: fine) { .demo-chip:hover { background: var(--accent); } }

/* Tuiles secteurs */
.sector-tiles { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1rem; }
.sector-tile { display: flex; flex-direction: column; gap: 0.5rem; padding: 1.25rem; min-height: 9rem; border-radius: var(--radius); background: #fff; border: 1px solid var(--card-border); text-decoration: none; color: var(--navy); transition: border-color 200ms ease, transform 300ms var(--ease-out); }
.sector-tile .st-en { font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); font-family: var(--font-head); font-weight: 600; }
.sector-tile strong { font-family: var(--font-head); font-size: 1.08rem; line-height: 1.25; }
@media (hover: hover) and (pointer: fine) { .sector-tile:hover { border-color: rgba(15, 87, 237, 0.45); transform: translateY(-4px); } }
/* Version illustrée et mise en page responsive : voir « Secteurs (accueil) » plus bas */

/* Sections détaillées (expertises, secteurs) */
.topic { scroll-margin-top: 8rem; padding-block: clamp(3rem, 2rem + 4vw, 5rem); border-bottom: 1px solid var(--rule); }
.topic:last-of-type { border-bottom: 0; }
.topic-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: clamp(2rem, 4vw, 4rem); align-items: start; }
.topic h2 { font-size: clamp(1.7rem, 1.3rem + 1.4vw, 2.4rem); }
.topic .topic-lede { margin-top: 1rem; font-size: 1.1rem; color: var(--muted); }
.topic .topic-num { font-family: var(--font-head); font-weight: 700; font-size: 0.85rem; color: var(--accent); letter-spacing: 0.1em; }
.topic-side { display: grid; gap: 1rem; }
.topic-side .block h3 { font-size: 1rem; }
.topic-side .block .ticks { margin-top: 0.8rem; }
.topic-side .block .ticks li { font-size: 0.95rem; color: var(--muted); }
.topic-q { margin-top: 1.4rem; padding: 1rem 1.2rem; border-left: 3px solid var(--accent); background: rgba(15, 87, 237, 0.05); border-radius: 0 6px 6px 0; color: var(--navy); font-size: 0.97rem; }
.topic-q strong { display: block; font-family: var(--font-head); font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.3rem; }
@media (max-width: 900px) { .topic-grid { grid-template-columns: 1fr; } }
.quote-mini { margin-top: 1.5rem; font-size: 1.05rem; font-family: var(--font-head); font-weight: 500; color: var(--navy); border-left: 3px solid var(--accent); padding-left: 1rem; }

/* Méthode : enchaînement vertical animé */
.flow { list-style: none; margin: 0 auto; padding: 0; max-width: 52rem; position: relative; }
.flow > li { position: relative; display: grid; grid-template-columns: 4rem minmax(0, 1fr); gap: 1.25rem; padding-bottom: 2.75rem; }
.flow > li:last-child { padding-bottom: 0; }
.flow > li::before { content: ""; position: absolute; left: 2rem; top: 4rem; bottom: 0.25rem; width: 2px; transform: translateX(-1px); background: repeating-linear-gradient(180deg, var(--accent) 0 8px, transparent 8px 16px); background-size: 2px 16px; animation: flow-dash 1.2s linear infinite; opacity: 0.55; }
.flow > li:last-child::before { display: none; }
.flow > li::after { content: ""; position: absolute; left: 2rem; bottom: 0.15rem; width: 0.6rem; height: 0.6rem; transform: translate(-50%, 0) rotate(45deg); border-right: 2px solid var(--accent); border-bottom: 2px solid var(--accent); }
.flow > li:last-child::after { display: none; }
@keyframes flow-dash { to { background-position: 0 16px; } }
.flow .flow-num { width: 4rem; height: 4rem; border-radius: 50%; display: grid; place-items: center; background: var(--navy); color: #fff; font-family: var(--font-head); font-weight: 700; font-size: 1.3rem; position: relative; z-index: 1; box-shadow: 0 0 0 6px var(--paper); }
.flow .block h3 { font-size: 1.3rem; }
.flow .block > p { margin-top: 0.5rem; color: var(--muted); }
.flow .flow-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-top: 1rem; }
.flow .flow-cols h4 { font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.flow .flow-cols .ticks { margin-top: 0.6rem; gap: 0.4rem; }
.flow .flow-cols .ticks li { font-size: 0.92rem; color: var(--muted); }
.flow > li.is-in .flow-num { animation: num-pop 700ms var(--ease-out); }
@keyframes num-pop { 0% { transform: scale(0.6); } 60% { transform: scale(1.12); } 100% { transform: scale(1); } }
@media (max-width: 640px) { .flow > li { grid-template-columns: 2.8rem minmax(0, 1fr); gap: 0.9rem; } .flow .flow-num { width: 2.8rem; height: 2.8rem; font-size: 1rem; } .flow > li::before, .flow > li::after { left: 1.4rem; } .flow > li::before { top: 2.8rem; } .flow .flow-cols { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { .flow > li::before { animation: none; } }

/* Bandeau d'appel à l'action */
.cta-band { position: relative; overflow: hidden; background: var(--grad-navy); color: #fff; padding-block: clamp(3rem, 2rem + 4vw, 5rem); }
.cta-band .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem 3rem; position: relative; }
.cta-band h2 { color: #fff; font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.4rem); max-width: 34rem; }
.cta-band p { color: var(--on-navy-2); margin-top: 0.6rem; max-width: 36rem; }
.cta-band .cta-mesh { position: absolute; inset: 0; opacity: 0.6; pointer-events: none; -webkit-mask-image: linear-gradient(90deg, transparent 30%, #000); mask-image: linear-gradient(90deg, transparent 30%, #000); }
.cta-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* Divers */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 4vw, 4rem); align-items: center; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } }
.why { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.why .block h3 { font-size: 1.1rem; }
.why .block p { margin-top: 0.5rem; color: var(--muted); font-size: 0.95rem; }
.why .why-n { font-family: var(--font-head); font-weight: 700; font-size: 2rem; color: var(--accent); line-height: 1; }
@media (max-width: 1000px) { .why { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .why { grid-template-columns: 1fr; } }
.hpc { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.hpc .block h3 { font-size: 1.05rem; }
.hpc .block p, .hpc .block li { color: var(--muted); font-size: 0.94rem; }
@media (max-width: 900px) { .hpc { grid-template-columns: 1fr; } }
.conf-box { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 1.5rem; align-items: start; padding: clamp(1.5rem, 3vw, 2.5rem); border-radius: var(--radius); background: var(--navy); color: var(--on-navy); }
.conf-box svg { width: 3rem; height: 3rem; color: var(--light-blue); }
.conf-box h3 { color: #fff; font-size: 1.3rem; }
.conf-box p { color: var(--on-navy-2); margin-top: 0.6rem; }
.conf-box .ticks li { color: var(--on-navy-2); }
.page-hero-sm { padding-block: clamp(3rem, 2rem + 3vw, 4.5rem) clamp(2rem, 1.5rem + 2vw, 3rem); }
.home-section-foot { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: 0.75rem; }
.section-navy .home-section-foot .btn-quiet { color: #fff; border-color: rgba(195, 210, 234, 0.4); }
.legal h2 { font-size: 1.4rem; margin-top: 2.5rem; }
.legal h2:first-child { margin-top: 0; }
.legal p, .legal li { color: var(--muted); margin-top: 0.6rem; }

main section[id] { scroll-margin-top: 7.5rem; }

/* v12 : hero moteur multiphysique */
.hero-sub { margin-top: 1.4rem; font-family: var(--font-head); font-weight: 500; font-size: clamp(1.05rem, 0.95rem + 0.5vw, 1.35rem); letter-spacing: 0.04em; color: var(--on-navy-2); }
.hero h1 .hl { display: block; }
.hud-motor { max-width: min(46rem, calc(100% - 2 * var(--gutter))); }
.hud-motor .hud-readout { min-width: 14rem; }
.hud-motor .hud-readout sub { font-size: 0.7em; }
.hud-seg button.is-live { color: #fff; box-shadow: inset 0 0 0 1px rgba(78, 139, 255, 0.7); }
.hud-chip { font: inherit; font-size: 0.72rem; color: var(--on-navy-3); background: rgba(0, 11, 32, 0.45); border: 1px solid rgba(195, 210, 234, 0.3); border-radius: 999px; padding: 0.35rem 0.75rem; cursor: pointer; }
.hud-chip[aria-pressed="true"] { background: var(--accent); color: #fff; border-color: var(--accent); }

/* =========================================================
   v15 : Simulation Lab scénarisé (modes, bascules, frise, étiquettes)
   ========================================================= */
.lab-item small { margin: 0 0 0.15rem; font-family: var(--font-head); font-weight: 600; font-size: 0.64rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.lab-item em { display: block; font-style: normal; font-size: 0.75rem; color: var(--muted); margin-top: 0.15rem; }
.lab-item.is-active small { color: var(--light-blue); }
.lab-item.is-active em { color: var(--on-navy-2); }
.lab-item + .lab-item { margin-top: 0.35rem; }

.lab-stage { margin-top: 1.25rem; }
.lab-stage .lab-view { margin-top: 0; border-radius: 10px 10px 0 0; background: radial-gradient(ellipse at 50% 26%, #2a4b7c 0%, #11305c 52%, #071a3a 100%); }
.lab-stage > .sim-help { position: static; margin: 0.45rem 0.1rem 0; text-align: right; font-size: 0.74rem; color: var(--muted); }

.tb-modes { display: inline-flex; flex-wrap: wrap; gap: 2px; padding: 2px; border-radius: 6px; border: 1px solid var(--navy-line); background: rgba(195, 210, 234, 0.04); }
.tb-modes:empty, .tb-toggles:empty { display: none; }
.tb-modes button { height: 1.95rem; padding: 0 0.7rem; border: 0; border-radius: 4px; background: none; color: var(--on-navy-2); font: 600 0.74rem var(--font-head); letter-spacing: 0.08em; text-transform: uppercase; cursor: pointer; transition: background-color 160ms ease, color 160ms ease; }
.tb-modes button[aria-pressed="true"] { background: var(--accent); color: #fff; }
.tb-toggles { display: inline-flex; flex-wrap: wrap; gap: 0.3rem; }
.tb-chip { display: inline-flex; align-items: center; gap: 0.4rem; height: 2.1rem; padding: 0 0.7rem; border-radius: 999px; border: 1px solid var(--navy-line); background: none; color: var(--on-navy-3); font: 500 0.78rem var(--font-body); cursor: pointer; }
.tb-chip::before { content: ""; width: 0.55rem; height: 0.55rem; border-radius: 2px; border: 1.5px solid currentColor; }
.tb-chip[aria-pressed="true"] { color: #fff; border-color: var(--light-blue); background: rgba(15, 87, 237, 0.28); }
.tb-chip[aria-pressed="true"]::before { background: var(--light-blue); border-color: var(--light-blue); }
@media (hover: hover) and (pointer: fine) {
  .tb-modes button:not([aria-pressed="true"]):hover { color: #fff; background: rgba(195, 210, 234, 0.1); }
  .tb-chip:hover { color: #fff; }
}

/* Frise des étapes de la démonstration */
.lab-timeline { list-style: none; margin: 0; padding: 0.45rem; display: grid; grid-template-columns: repeat(var(--n, 6), minmax(0, 1fr)); gap: 0.35rem; background: #061630; border: 1px solid var(--navy-line); border-top: 0; border-radius: 0 0 10px 10px; }
.lab-timeline button { position: relative; width: 100%; display: flex; align-items: center; gap: 0.45rem; padding: 0.5rem 0.55rem 0.62rem; border: 0; border-radius: 6px; background: rgba(195, 210, 234, 0.04); color: var(--on-navy-3); font: 500 0.76rem/1.2 var(--font-body); text-align: left; cursor: pointer; overflow: hidden; transition: background-color 200ms ease, color 200ms ease, opacity 300ms ease; }
.lab-timeline b { flex: none; display: grid; place-items: center; width: 1.35rem; height: 1.35rem; border-radius: 50%; border: 1px solid var(--navy-line); font: 600 0.68rem var(--font-head); color: var(--on-navy-2); }
.lab-timeline span { min-width: 0; overflow: hidden; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; line-clamp: 2; line-height: 1.15; font-size: 0.72rem; }
.lab-timeline i { position: absolute; left: 0; bottom: 0; height: 3px; width: 100%; background: var(--light-blue); transform-origin: left center; transform: scaleX(var(--p, 0)); }
.lab-timeline .is-current { color: #fff; background: rgba(15, 87, 237, 0.24); }
.lab-timeline .is-current b { background: var(--accent); border-color: var(--accent); color: #fff; }
.lab-timeline .is-done b { border-color: rgba(78, 139, 255, 0.7); color: var(--light-blue); }
.lab-timeline .is-done i { opacity: 0.45; }
.lab-timeline .is-dim { opacity: 0.32; }
/* Frise à 7 étapes ou plus : pastille et marges réduites pour garder des libellés entiers */
.lab-timeline.is-dense button { gap: 0.35rem; padding-inline: 0.45rem; }
.lab-timeline.is-dense b { width: 1.2rem; height: 1.2rem; font-size: 0.64rem; }
.lab-timeline.is-dense span { font-size: 0.68rem; }
@media (hover: hover) and (pointer: fine) { .lab-timeline button:hover { color: #fff; background: rgba(195, 210, 234, 0.1); } }

/* Étiquettes ancrées en 3D */
.lab-tag { position: absolute; left: 0; top: 0; pointer-events: none; transition: opacity 250ms ease; will-change: transform; z-index: 1; }
.lab-tag.is-off { opacity: 0; }
.lab-tag::before { content: ""; position: absolute; left: -3px; top: -3px; width: 6px; height: 6px; border-radius: 50%; background: #fff; box-shadow: 0 0 0 2px rgba(15, 87, 237, 0.65); }
.lab-tag::after { content: ""; position: absolute; left: 0; bottom: 3px; width: 1px; height: 17px; background: rgba(255, 255, 255, 0.6); }
.lab-tag > span { position: absolute; left: 0; bottom: 19px; transform: translateX(-50%); white-space: nowrap; padding: 0.22rem 0.5rem; border-radius: 4px; background: rgba(0, 11, 32, 0.86); border: 1px solid rgba(110, 151, 221, 0.5); color: #fff; font-size: 0.7rem; font-weight: 500; line-height: 1.3; font-variant-numeric: tabular-nums; }
.lab-tag > span small { display: block; color: var(--on-navy-3); font-size: 0.62rem; font-weight: 500; }
.lab-tag.low > span { bottom: auto; top: 19px; }
.lab-tag.low::after { bottom: auto; top: 3px; }
.lab-tag.hot > span { border-color: #ff6a50; }
.lab-tag.hot::before { background: #ff6a50; box-shadow: 0 0 0 2px rgba(255, 106, 80, 0.45); }
.lab-tag.cold > span { border-color: var(--light-blue); }
.lab-tag.cold::before { background: var(--light-blue); }
.lab-tag.warn > span { border-color: #ffb02e; color: #ffd28a; }
.lab-tag.lab-tag-side > span { left: 16px; bottom: auto; top: 0; transform: translateY(-50%); padding: 0.1rem 0.4rem; font-size: 0.66rem; }
.lab-tag > span b { font-weight: 600; }
.lab-tag > span em { font-style: normal; color: #ffb02e; margin-left: 0.25em; }
.lab-tag.lab-tag-side::after { left: 3px; bottom: auto; top: 0; width: 13px; height: 1px; }

/* Courbes et synthèse en incrustation */
.lab-chart { position: absolute; right: 0.9rem; top: auto; bottom: 4.3rem; width: min(40%, 21rem); height: 10.5rem; display: flex; flex-direction: column; padding: 0.35rem 0.35rem 0.15rem; background: rgba(0, 11, 32, 0.8); border: 1px solid var(--navy-line); border-radius: 8px; transition: opacity 300ms ease; pointer-events: none; }
.lab-chart.is-off { opacity: 0; }
.lab-chart .lc-title { padding: 0 0.3rem; font-size: 0.68rem; color: var(--on-navy-2); line-height: 1.3; }
.lab-chart .lc-title b { color: #fff; font-weight: 600; }
.lab-chart canvas { flex: 1; width: 100%; height: auto; min-height: 0; }
.lab-overlay { position: absolute; left: 0.9rem; bottom: 4.3rem; max-width: min(23rem, 58%); padding: 0.7rem 0.85rem; border-radius: 8px; background: rgba(0, 11, 32, 0.84); border: 1px solid var(--navy-line); color: var(--on-navy-2); font-size: 0.78rem; pointer-events: none; animation: ov-in 450ms var(--ease-out); }
.lab-overlay h4 { margin: 0 0 0.45rem; font: 600 0.7rem var(--font-head); letter-spacing: 0.14em; text-transform: uppercase; color: var(--light-blue); }
.lab-overlay dl { margin: 0; display: grid; grid-template-columns: auto auto; gap: 0.18rem 1.1rem; }
.lab-overlay dt { color: var(--on-navy-3); }
.lab-overlay dd { margin: 0; color: #fff; font-weight: 600; text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.lab-overlay dd.bad { color: #ff9c8f; }
.lab-overlay dd.good { color: #7fe0b2; }
.lab-overlay p { margin-top: 0.45rem; font-size: 0.72rem; color: var(--on-navy-3); }
@keyframes ov-in { from { opacity: 0; transform: translateY(6px); } }
.sim-hud { max-width: 46%; }
.sim-hud em { font-style: normal; color: var(--light-blue); }

/* Paramètres et résultats regroupés */
.lab-params .pgroup { grid-column: 1 / -1; margin: 0.1rem 0 -0.35rem; font: 600 0.7rem var(--font-head); letter-spacing: 0.14em; text-transform: uppercase; color: var(--light-blue); }
.lab-params .pgroup ~ .pgroup { margin-top: 0.5rem; padding-top: 0.85rem; border-top: 1px solid var(--navy-line); }
.lab-params + .lab-h { margin-top: 1.75rem; }
.kpi-group { grid-column: 1 / -1; margin: 0.2rem 0 -0.25rem; font: 600 0.72rem var(--font-head); letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.kpi-group ~ .kpi-group { margin-top: 0.9rem; }
.kpi.is-pending .kpi-value { color: var(--muted); }

/* Sélecteur d'animation (démonstrateurs à plusieurs animations) */
.lab-films { display: flex; align-items: center; flex-wrap: wrap; gap: 0.5rem 1rem; padding: 0.5rem 0.5rem 0.05rem; background: #061630; border: 1px solid var(--navy-line); border-top: 0; }
.lab-films[hidden] { display: none; }
.lf-tabs { display: inline-flex; flex-wrap: wrap; gap: 2px; padding: 2px; border-radius: 7px; border: 1px solid var(--navy-line); background: rgba(195, 210, 234, 0.04); }
.lf-tabs button { min-height: 2.1rem; padding: 0 0.95rem; border: 0; border-radius: 5px; background: none; color: var(--on-navy-2); font: 600 0.78rem var(--font-head); letter-spacing: 0.02em; cursor: pointer; transition: background-color 160ms ease, color 160ms ease; }
.lf-tabs button.is-current { color: #fff; background: rgba(15, 87, 237, 0.3); }
.lf-tabs button[aria-pressed="true"] { color: #fff; background: var(--accent); }
.lf-state { font-size: 0.72rem; color: var(--on-navy-3); }
.tb-modes button[hidden] { display: none; }
/* Barre de commandes compacte, sur une seule ligne */
.lab-toolbar { flex-wrap: nowrap; gap: 0.25rem; padding: 0.2rem; bottom: 0.6rem; }
.lab-toolbar .tb-btn, .lab-toolbar .tb-chip { height: 1.6rem; padding: 0 0.5rem; font-size: 0.72rem; gap: 0.3rem; }
.lab-toolbar .tb-btn span { display: none; }
.lab-toolbar .tb-btn { width: 1.6rem; padding: 0; justify-content: center; }
.lab-toolbar .tb-icon { width: 1.6rem; height: 1.6rem; }
.lab-toolbar .tb-modes { flex-wrap: nowrap; padding: 1px; }
.lab-toolbar .tb-modes button { height: 1.45rem; padding: 0 0.5rem; font-size: 0.64rem; letter-spacing: 0.05em; white-space: nowrap; }
.lab-toolbar .tb-toggles { flex-wrap: nowrap; gap: 0.2rem; }
.lab-toolbar .tb-chip { white-space: nowrap; }
.lab-toolbar .tb-chip::before { width: 0.45rem; height: 0.45rem; }
.lab-toolbar .tb-sep { height: 1rem; margin-inline: 0.1rem; }
@media (hover: hover) and (pointer: fine) { .lf-tabs button:not(.is-current):not([aria-pressed="true"]):hover { color: #fff; background: rgba(195, 210, 234, 0.1); } }

@media (max-width: 980px) {
  .lab-timeline { display: flex; }
  .lab-timeline li { flex: 0 0 auto; }
  .lab-timeline li:has(.is-current) { flex: 1 1 auto; min-width: 0; }
  .lab-timeline span { display: none; }
  .lab-timeline .is-current span { display: -webkit-box; }
}
@media (max-width: 640px) {
  .lab-chart, .lab-overlay { display: none; }
  /* Petit écran : la vue 3D garde toute sa surface, les commandes passent dessous */
  .lab-view { aspect-ratio: auto; display: flex; flex-direction: column; }
  .lab-canvas { position: relative; inset: auto; display: block; height: auto; aspect-ratio: 1 / 1.05; }
  .lab-labels { bottom: auto; aspect-ratio: 1 / 1.05; overflow: hidden; }
  .lab-toolbar { position: static; width: auto; max-width: none; gap: 0.3rem; padding: 0.45rem; border: 0; border-top: 1px solid var(--navy-line); border-radius: 0; background: #061630; backdrop-filter: none; }
  .sim-hud { font-size: 0.68rem; }
  .lab-timeline { gap: 0.25rem; padding: 0.35rem; }
  .lab-timeline li:not(:has(.is-current)) button { padding-inline: 0.3rem; }
  .lab-toolbar .tb-icon, .lab-toolbar .tb-sep { display: none; }
  .lab-toolbar { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
  .lab-toolbar .tb-modes button { padding: 0 0.3rem; font-size: 0.58rem; letter-spacing: 0.02em; }
  .lab-toolbar .tb-btn span { display: none; }
  .tb-modes button { padding: 0 0.5rem; font-size: 0.66rem; }
  .tb-chip { height: 1.95rem; padding: 0 0.55rem; font-size: 0.72rem; }
  .sim-hud { max-width: 60%; }
  .lab-tag.lab-tag-side > span { font-size: 0.6rem; padding: 0.06rem 0.32rem; }
  .lab-films { padding: 0.35rem 0.35rem 0; }
  .lf-tabs { width: 100%; }
  .lf-tabs button { flex: 1 1 0; padding: 0.3rem 0.45rem; font-size: 0.68rem; line-height: 1.2; }
  .lf-state { display: none; }
}

/* =========================================================
   v18 : cartes illustrées (objet réel → résultat de simulation au survol),
   sélecteur de démonstrateurs à vignettes, déroulement plus posé
   ========================================================= */
/* Cartes d'expertise */
.cards .card-img { min-height: 22.5rem; padding: 1.35rem 1.4rem 1.3rem; justify-content: flex-end; overflow: hidden; isolation: isolate; color: #fff; background: #0a1f42; border-color: rgba(7, 31, 69, 0.16); }
.card-img .card-media { position: absolute; inset: 0; z-index: -2; background: #0a1f42; }
.card-img .card-media img, .demo-card .demo-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: opacity 800ms ease, transform 1600ms var(--ease-out); }
.card-img .card-media img { object-position: 50% 30%; }
.card-img .card-media .card-alt, .demo-card .demo-media .demo-alt { opacity: 0; }
.card-img::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; background: linear-gradient(180deg, rgba(5, 18, 42, 0.3) 0%, rgba(5, 18, 42, 0) 24%, rgba(5, 18, 42, 0) 48%, rgba(5, 18, 42, 0.6) 72%, rgba(4, 15, 36, 0.94) 100%); }
/* Photo de l'objet réel → résultat de simulation : « mise au point » croisée. La photo avance à peine et
   passe dans le flou pendant que la simulation arrive nette en se posant ; un seul mouvement, sans ligne ni trame */
.card-img .card-media img { will-change: opacity, transform, filter; transition: opacity 650ms cubic-bezier(0.4, 0, 0.2, 1), transform 1100ms cubic-bezier(0.22, 1, 0.36, 1), filter 650ms cubic-bezier(0.4, 0, 0.2, 1); }
.card-img .card-media .card-alt { opacity: 0; transform: scale(1.06); filter: blur(8px); }
.card-img.is-sim .card-media img:not(.card-alt), .card-img:focus-visible .card-media img:not(.card-alt) { transform: scale(1.07); filter: blur(6px) brightness(0.88); }
.card-img.is-sim .card-media .card-alt, .card-img:focus-visible .card-media .card-alt { opacity: 1; transform: scale(1.015); filter: blur(0); transition-duration: 900ms, 1400ms, 900ms; transition-delay: 60ms, 0ms, 60ms; }
@media (prefers-reduced-motion: reduce) {
  .card-img .card-media img { transition: opacity 400ms ease; transform: none !important; filter: none !important; }
}
.card-img h3 { color: #fff; }
.card-img p { color: var(--on-navy-2); }
.card-img .card-more { margin-top: 0.35rem; padding-top: 0; color: #a9c6ff; }
.card-img .card-sim { position: absolute; top: 1.15rem; right: 1.1rem; padding: 0.32rem 0.65rem; border-radius: 999px; background: rgba(5, 18, 42, 0.62); border: 1px solid rgba(195, 210, 234, 0.32); color: #fff; font-size: 0.7rem; font-weight: 500; line-height: 1.2; white-space: nowrap; backdrop-filter: blur(6px); opacity: 0; transform: translateY(-4px); transition: opacity 400ms ease, transform 400ms var(--ease-out); }
.card-img .card-sim { max-width: calc(100% - 5.2rem); overflow: hidden; text-overflow: ellipsis; }
.card-img .card-sim::before { content: ""; display: inline-block; width: 0.5rem; height: 0.5rem; margin-right: 0.4rem; border-radius: 50%; background: linear-gradient(135deg, #00f, #0ff, #0f0, #ff0, #f00); }
.card-img.is-sim .card-alt, .card-img:focus-visible .card-alt, .demo-card.is-sim .demo-alt, .demo-card:focus-visible .demo-alt { opacity: 1; }
.card-img.is-sim .card-sim, .card-img:focus-visible .card-sim { opacity: 1; transform: none; }
@media (hover: hover) and (pointer: fine) {
  a.card-img:hover { border-color: rgba(78, 139, 255, 0.65); }
  a.card-img:hover .card-alt, .demo-card:hover .demo-alt { opacity: 1; }
  a.card-img:hover .card-sim { opacity: 1; transform: none; }
  a.card-img:hover .card-media img:not(.card-alt) { transform: scale(1.07); filter: blur(6px) brightness(0.88); }
  a.card-img:hover .card-media .card-alt { opacity: 1; transform: scale(1.015); filter: blur(0); transition-duration: 900ms, 1400ms, 900ms; transition-delay: 60ms, 0ms, 60ms; }
  .demo-card:hover .demo-media img { transform: scale(1.045); }
}

/* Vignettes des démonstrateurs (accueil) */
.demo-card { min-height: 18rem; padding: 1.1rem 1.1rem 1rem; justify-content: flex-end; isolation: isolate; background: #071a3a; }
.demo-card .demo-media { position: absolute; inset: 0; z-index: -2; background: #0b2348; }
.demo-card .demo-media img { object-position: 50% 42%; }
.demo-card::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; background: linear-gradient(180deg, rgba(4, 15, 36, 0.5) 0%, rgba(4, 15, 36, 0) 26%, rgba(4, 15, 36, 0.2) 50%, rgba(4, 15, 36, 0.94) 86%); }
.demo-card::after { right: auto; bottom: auto; left: 0; top: 0; width: 100%; height: 3px; border-radius: 0; background: var(--demo-c, var(--accent)); opacity: 0.85; transform: none; }
.demo-card .demo-sec { position: absolute; top: 1rem; left: 1.1rem; display: inline-flex; align-items: center; gap: 0.4rem; color: #fff; text-shadow: 0 1px 6px rgba(0, 0, 0, 0.5); }
.demo-card .demo-sec::before { content: ""; width: 0.45rem; height: 0.45rem; border-radius: 50%; background: var(--demo-c, var(--accent)); box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.12); }
.demo-card h3 { font-size: 1.08rem; }
.demo-card p { margin-top: 0; color: var(--on-navy-2); }
.demo-card .demo-go { margin-top: 0.4rem; font-family: var(--font-head); font-weight: 600; font-size: 0.82rem; color: #a9c6ff; transition: color 200ms ease; }
@media (hover: hover) and (pointer: fine) { .demo-card:hover .demo-go { color: #fff; } }
@media (hover: hover) and (pointer: fine) { .demo-card:hover::after { opacity: 1; transform: none; } }
@media (max-width: 1150px) {
  .demo-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .demo-card { grid-column: span 2; min-height: 16rem; }
  .demo-card:nth-child(-n+2) { grid-column: span 3; min-height: 17.5rem; }
}
@media (max-width: 760px) {
  .demo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .demo-card, .demo-card:nth-child(-n+2) { grid-column: auto; min-height: 14.5rem; }
  .demo-card:first-child { grid-column: 1 / -1; min-height: 16rem; }
}
@media (max-width: 440px) { .demo-grid { grid-template-columns: 1fr; } .demo-card:first-child { grid-column: auto; } }

/* Sélecteur de démonstrateurs du Simulation Lab : liste à vignettes, bandeau défilant sur écran étroit */
.lab-nav > [data-lab-nav] { display: grid; gap: 0.35rem; }
.lab-item { display: grid; grid-template-columns: 3.8rem minmax(0, 1fr); gap: 0.75rem; align-items: center; padding: 0.4rem 0.6rem 0.4rem 0.4rem; }
.lab-item + .lab-item { margin-top: 0; }
.lab-item .lab-thumb { position: relative; display: block; aspect-ratio: 1; border-radius: 6px; overflow: hidden; background: #0b2348; box-shadow: inset 0 0 0 1px rgba(7, 31, 69, 0.1); }
.lab-thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transform: scale(1.22); transition: opacity 500ms ease, transform 700ms var(--ease-out); }
.lab-thumb .lab-thumb-b { opacity: 0; }
.lab-item.is-active .lab-thumb-b { opacity: 1; }
.lab-item.is-active .lab-thumb { box-shadow: 0 0 0 2px var(--light-blue); }
.lab-item .lab-txt { display: block; min-width: 0; font-weight: 400; }
.lab-item strong { display: block; font-weight: 600; font-size: 0.92rem; line-height: 1.22; color: var(--navy); }
.lab-item.is-active strong { color: #fff; }
@media (hover: hover) and (pointer: fine) { .lab-item:hover .lab-thumb-b { opacity: 1; } .lab-item:hover .lab-thumb img { transform: scale(1.3); } }
@media (max-width: 980px) {
  .lab-nav > [data-lab-nav] {
    display: flex; gap: 0.65rem; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none;
    margin-inline: calc(-1 * var(--gutter)); padding: 0.2rem var(--gutter) 0.5rem; scroll-padding-inline: var(--gutter);
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 var(--gutter), #000 calc(100% - 2.5rem), transparent);
            mask-image: linear-gradient(90deg, transparent 0, #000 var(--gutter), #000 calc(100% - 2.5rem), transparent);
  }
  .lab-nav > [data-lab-nav]::-webkit-scrollbar { display: none; }
  .lab-item { flex: 0 0 auto; width: 14rem; grid-template-columns: 1fr; gap: 0; padding: 0; overflow: hidden; scroll-snap-align: start; border: 1px solid var(--card-border); border-radius: 9px; background: #fff; }
  .lab-item .lab-thumb { aspect-ratio: 16 / 9; border-radius: 0; box-shadow: none; }
  .lab-thumb img { transform: scale(1.08); }
  .lab-item .lab-txt { padding: 0.55rem 0.75rem 0.65rem; }
  .lab-item.is-active { background: var(--navy); border-color: var(--navy); box-shadow: 0 12px 26px -16px rgba(7, 31, 69, 0.7); }
  .lab-item.is-active .lab-thumb { box-shadow: none; }
}
@media (max-width: 520px) { .lab-item { width: 74vw; max-width: 15.5rem; } }

.nowrap { white-space: nowrap; }

/* Secteurs (accueil) : photo du terrain → simulation du démonstrateur du secteur au survol */
.sector-tile { position: relative; overflow: hidden; isolation: isolate; justify-content: flex-end; gap: 0.35rem; min-height: 19rem; padding: 1.1rem 1.1rem 1.15rem; color: #fff; background: #0a1f42; border-color: rgba(7, 31, 69, 0.16); }
.sector-tile .st-media { position: absolute; inset: 0; z-index: -2; background: #0a1f42; }
.sector-tile .st-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: var(--op, 50% 50%); transition: opacity 800ms ease, transform 1600ms var(--ease-out); }
.sector-tile .st-media .st-alt { opacity: 0; object-position: 50% 45%; }
.sector-tile::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; background: linear-gradient(180deg, rgba(4, 15, 36, 0.55) 0%, rgba(4, 15, 36, 0) 28%, rgba(4, 15, 36, 0.25) 50%, rgba(4, 15, 36, 0.95) 88%); }
.sector-tile::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform 500ms var(--ease-out); }
.sector-tile .st-en, .sector-tile .st-sim { position: absolute; top: 1rem; left: 1.1rem; transition: opacity 400ms ease, transform 400ms var(--ease-out); }
.sector-tile .st-en { display: inline-flex; align-items: center; gap: 0.45rem; color: #fff; text-shadow: 0 1px 6px rgba(0, 0, 0, 0.55); }
.sector-tile .st-en::before { content: ""; width: 0.45rem; height: 0.45rem; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.14); }
.sector-tile .st-sim { top: 0.8rem; left: 0.85rem; max-width: calc(100% - 1.7rem); padding: 0.32rem 0.65rem; border-radius: 0.8rem; background: rgba(5, 18, 42, 0.62); border: 1px solid rgba(195, 210, 234, 0.32); font-size: 0.7rem; font-weight: 500; line-height: 1.3; backdrop-filter: blur(6px); opacity: 0; transform: translateY(-4px); }
.sector-tile .st-sim::before { content: ""; display: inline-block; width: 0.5rem; height: 0.5rem; margin-right: 0.4rem; border-radius: 50%; background: linear-gradient(135deg, #00f, #0ff, #0f0, #ff0, #f00); }
.sector-tile strong { color: #fff; font-size: 1.06rem; text-shadow: 0 1px 10px rgba(0, 0, 0, 0.35); }
.sector-tile .st-desc { margin-top: 0; font-size: 0.8rem; line-height: 1.4; color: var(--on-navy-2); }
.sector-tile.is-sim .st-alt, .sector-tile:focus-visible .st-alt { opacity: 1; }
.sector-tile.is-sim .st-en, .sector-tile:focus-visible .st-en { opacity: 0; }
.sector-tile.is-sim .st-sim, .sector-tile:focus-visible .st-sim { opacity: 1; transform: none; }
@media (hover: hover) and (pointer: fine) {
  .sector-tile:hover { border-color: rgba(78, 139, 255, 0.65); }
  .sector-tile:hover .st-alt { opacity: 1; }
  .sector-tile:hover .st-media img { transform: scale(1.045); }
  .sector-tile:hover .st-en { opacity: 0; }
  .sector-tile:hover .st-sim { opacity: 1; transform: none; }
  .sector-tile:hover::after { transform: none; }
}
@media (max-width: 1100px) {
  .sector-tiles { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .sector-tile { grid-column: span 2; min-height: 16.5rem; }
  .sector-tile:nth-child(n+4) { grid-column: span 3; }
}
@media (max-width: 760px) {
  .sector-tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sector-tile, .sector-tile:nth-child(n+4) { grid-column: auto; min-height: 14.5rem; }
  .sector-tile:first-child { grid-column: 1 / -1; min-height: 15.5rem; }
}
@media (max-width: 440px) { .sector-tiles { grid-template-columns: 1fr; } .sector-tile, .sector-tile:first-child, .sector-tile:nth-child(n+4) { grid-column: auto; min-height: 12.5rem; } }

/* Secteurs (page dédiée) : bandeau photo en tête de chaque secteur */
.topic-photo { position: relative; margin: 0 0 clamp(1.75rem, 1rem + 2vw, 2.75rem); height: clamp(11rem, 6rem + 18vw, 21rem); border-radius: var(--radius); overflow: hidden; background: #0a1f42; }
.topic-photo img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: var(--op, 50% 50%); }
.topic-photo::after { content: ""; position: absolute; inset: 0; pointer-events: none; border-radius: inherit; box-shadow: inset 0 0 0 1px rgba(7, 31, 69, 0.12); background: linear-gradient(90deg, rgba(7, 31, 69, 0.28) 0%, rgba(7, 31, 69, 0) 45%); }

/* Déroulement de la méthode : transitions plus lentes, accordées au rythme de 4,5 s par étape */
.process li { transition: transform 700ms var(--ease-out), box-shadow 700ms var(--ease-out), border-color 600ms ease, opacity 800ms var(--ease-out); }
.process .num { transition: transform 700ms var(--ease-out), background-color 500ms ease; }
.process-track::after { transition: transform 1600ms var(--ease-out); }
.process li.is-active .num::after { animation-duration: 2.6s; }

/* Simulation Lab : fenêtres d'information compactes (démonstrateurs « compact »), la vue 3D reste dégagée */
.lab-view.is-compact .sim-hud { top: 0.6rem; right: 0.7rem; max-width: 36%; font-size: 0.66rem; line-height: 1.35; }
.lab-view.is-compact .sim-hud strong { font-size: 0.74rem; }
.lab-view.is-compact .sim-legend { left: 0.6rem; top: 0.6rem; padding: 0.4rem 0.5rem 0.45rem; font-size: 0.6rem; border-radius: 6px; background: rgba(0, 11, 32, 0.6); }
.lab-view.is-compact .sim-legend .lg-title { max-width: 6.8rem; margin-bottom: 0.35rem; font-size: 0.6rem; line-height: 1.25; }
.lgb { display: flex; gap: 0.35rem; height: 5.4rem; }
.lgb > i { flex: none; width: 0.42rem; border-radius: 2px; box-shadow: 0 0 0 1px rgba(195, 210, 234, 0.25); }
.lgb > div { position: relative; width: 2.1rem; }
.lgb span { position: absolute; left: 0; transform: translateY(50%); line-height: 1; white-space: nowrap; font-variant-numeric: tabular-nums; }
.lab-view.is-compact .lab-chart { right: 0.6rem; bottom: 3.9rem; width: min(30%, 14rem); height: 6.4rem; padding: 0.25rem 0.25rem 0.1rem; background: rgba(0, 11, 32, 0.62); border-radius: 6px; }
.lab-view.is-compact .lab-chart .lc-title { font-size: 0.6rem; padding: 0 0.2rem; }
.lab-view.is-compact .lab-overlay { left: 0.6rem; bottom: 3.9rem; max-width: min(15.5rem, 40%); padding: 0.45rem 0.6rem; font-size: 0.66rem; border-radius: 6px; background: rgba(0, 11, 32, 0.66); }
.lab-view.is-compact .lab-overlay h4 { margin-bottom: 0.3rem; font-size: 0.6rem; }
.lab-view.is-compact .lab-overlay dl { gap: 0.12rem 0.8rem; }
.lab-view.is-compact .lab-tag > span { padding: 0.14rem 0.4rem; font-size: 0.64rem; }
.lab-view.is-compact .lab-tag > span small { font-size: 0.56rem; }
@media (max-width: 640px) { .lab-view.is-compact .sim-hud { max-width: 58%; } .lgb { height: 4.4rem; } }

/* =========================================================
   Smartphone : lignes qui se replient, cibles tactiles d'au moins 40 px
   ========================================================= */
.sectors-line { display: flex; flex-wrap: wrap; align-items: baseline; row-gap: 0.45em; }
.help-touch { display: none; }
@media (hover: none) and (pointer: coarse) { .help-mouse { display: none; } .help-touch { display: inline; } }
@media (pointer: coarse) {
  .hud-seg button { min-height: 2.3rem; padding-inline: 0.75rem; }
  .hud-chip, .hud-btn { min-height: 2.5rem; min-width: 2.5rem; }
  .footer-col { gap: 0; }
  .footer-col a { display: inline-flex; align-items: center; min-height: 2.5rem; }
  .footer-bottom a { display: inline-block; padding-block: 0.6rem; }
  .contact-link { display: inline-flex; align-items: center; min-height: 2.5rem; }
  .check input { width: 1.35rem; height: 1.35rem; }
  .check { min-height: 2.75rem; }
  .demo-chip, .anchor-nav a { min-height: 2.5rem; display: inline-flex; align-items: center; }
}
@media (max-width: 640px) {
  .sectors-line { letter-spacing: 0.14em; font-size: 0.74rem; }
  .hero-actions .btn { flex: 1 1 100%; justify-content: center; }
  /* Commandes du Simulation Lab : sur deux lignes plutôt que tassées, boutons à taille du doigt */
  .lab-toolbar { flex-wrap: wrap; justify-content: center; overflow: visible; gap: 0.4rem; padding: 0.55rem; }
  .lab-toolbar > * { flex-shrink: 0; }
  .lab-toolbar .tb-btn { width: 2.5rem; height: 2.5rem; }
  .lab-toolbar .tb-modes button { height: 2.3rem; padding: 0 0.6rem; font-size: 0.68rem; letter-spacing: 0.04em; }
  .lab-toolbar .tb-chip { height: 2.5rem; padding: 0 0.7rem; font-size: 0.76rem; }
  .lab-timeline button { min-height: 2.5rem; }
}
/* Menu mobile : icône « fermer » quand il est ouvert, page figée derrière */
.nav-toggle svg path { transition: d 200ms ease; }
.nav-toggle[aria-expanded="true"] svg path { d: path("M6 6l12 12M18 6L6 18"); }
@media (max-width: 860px) { html:has(.nav.is-open) { overflow: hidden; } .nav { max-height: calc(100dvh - 4.1rem); overscroll-behavior: contain; } }
@media (pointer: coarse) { .lang-switch > span, .lang-switch > a, .nav .lang-switch > a:not(.btn) { height: 2.4rem; min-width: 2.8rem; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 1.75rem 1rem; } .footer-grid > :first-child { grid-column: 1 / -1; } .footer-col a { font-size: 0.85rem; } }
@media (pointer: coarse) { .footer-col a { display: block; min-height: 0; padding-block: 0.6rem; line-height: 1.3; } }
@media (pointer: coarse) { .lab-tags a { min-height: 2.25rem; display: inline-flex; align-items: center; } }

/* Bandeau de consentement (Google Tag Manager chargé seulement après « Accepter ») */
.consent { position: fixed; z-index: 90; left: 1rem; right: 1rem; bottom: 1rem; max-width: 44rem; margin-inline: auto; padding: 1.1rem 1.25rem; border-radius: 10px; background: #0a2550; color: var(--on-navy-2); border: 1px solid var(--navy-line); box-shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.55); font-size: 0.86rem; line-height: 1.5; }
.consent[hidden] { display: none; }
.consent-inner { display: flex; align-items: center; gap: 1rem 1.5rem; }
.consent-t { color: #fff; font-family: var(--font-head); font-weight: 600; font-size: 0.95rem; margin-bottom: 0.2rem; }
.consent a { color: #a9c6ff; }
.consent-btns { display: flex; gap: 0.5rem; flex: none; }
.consent-btn { min-width: 6.5rem; justify-content: center; background: transparent; color: #fff; border: 1px solid rgba(195, 210, 234, 0.55); }
@media (hover: hover) and (pointer: fine) { .consent-btn:hover { background: rgba(195, 210, 234, 0.12); border-color: #fff; } }
@media (max-width: 600px) { .consent { left: 0.5rem; right: 0.5rem; bottom: 0.5rem; } .consent-inner { flex-direction: column; align-items: stretch; } .consent-btns .consent-btn { flex: 1; min-height: 2.75rem; } }

/* Formulaire de contact complet : deux groupes, choix rapides, confirmation après envoi */
.form-wrap { position: relative; }
.form-intro { font-size: 0.85rem; color: var(--on-navy-3); margin: 0; }
.req { color: #7fa6ff; font-weight: 600; }
.form-group { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.1rem 1.25rem; margin: 0; padding: 1.25rem 1.25rem 1.35rem; border: 1px solid var(--navy-line); border-radius: 10px; background: rgba(195, 210, 234, 0.03); min-width: 0; }
.form-group legend { display: inline-flex; align-items: center; gap: 0.55rem; padding: 0 0.5rem; margin-left: -0.5rem; font-family: var(--font-head); font-weight: 600; font-size: 0.92rem; letter-spacing: 0.04em; color: #fff; }
.fg-n { display: inline-grid; place-items: center; width: 1.45rem; height: 1.45rem; border-radius: 50%; background: var(--accent); color: #fff; font-size: 0.75rem; }
.field-l { font-size: 0.88rem; color: var(--on-navy); }
.field-hint { align-self: flex-end; font-size: 0.75rem; color: var(--on-navy-3); font-variant-numeric: tabular-nums; }
.chips { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.chip { position: relative; cursor: pointer; }
.chip input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.chip span { display: inline-flex; align-items: center; gap: 0.4rem; min-height: 2.25rem; padding: 0.3rem 0.85rem; border-radius: 999px; border: 1px solid var(--navy-line); background: rgba(0, 11, 32, 0.35); color: var(--on-navy-2); font-size: 0.84rem; transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease; }
.chip span::before { content: ""; width: 0.55rem; height: 0.55rem; border-radius: 3px; border: 1.5px solid currentColor; opacity: 0.6; }
.chip input:checked + span { background: rgba(15, 87, 237, 0.28); border-color: var(--light-blue); color: #fff; }
.chip input:checked + span::before { background: var(--light-blue); border-color: var(--light-blue); opacity: 1; }
.chip input:focus-visible + span { outline: 2px solid var(--light-blue); outline-offset: 2px; }
@media (hover: hover) and (pointer: fine) { .chip:hover span { border-color: var(--on-navy-2); color: #fff; } }
.form button[aria-busy="true"] { opacity: 0.75; cursor: progress; }
.form button[aria-busy="true"]::after { content: ""; width: 0.9rem; height: 0.9rem; margin-left: 0.55rem; border-radius: 50%; border: 2px solid rgba(255, 255, 255, 0.4); border-top-color: #fff; animation: form-spin 0.8s linear infinite; }
@keyframes form-spin { to { transform: rotate(360deg); } }
.form-done { padding: clamp(1.75rem, 4vw, 2.75rem); border: 1px solid var(--navy-line); border-radius: 12px; background: rgba(195, 210, 234, 0.04); color: var(--on-navy-2); outline: none; }
.form-done svg { width: 3rem; height: 3rem; color: #9EE6B8; }
.form-done h2 { margin-top: 1rem; color: #fff; font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem); }
.form-done p { margin-top: 0.8rem; max-width: 32rem; }
.form-done strong { color: #fff; font-weight: 500; word-break: break-all; }
.form-done .btn { margin-top: 1.5rem; }
@media (max-width: 520px) { .form-group { grid-template-columns: 1fr; padding: 1rem 0.9rem 1.1rem; } }
.form[hidden], .form-done[hidden] { display: none; }

/* Menu (bureau) : espacement identique entre tous les intitulés, le chevron colle à son libellé */
@media (min-width: 861px) {
  .nav { gap: 1.5rem; }
  .nav-dd { gap: 0.2rem; }
  .nav-dd .dd-toggle { width: 0.8rem; justify-content: center; }
  .nav .lang-switch { margin-left: 0.25rem; }
}
@media (min-width: 861px) and (max-width: 1380px) { .nav { gap: 1.1rem; } .nav-dd .dd-toggle { width: 0.8rem; } }

/* Accueil : toutes les tailles de projet — une échelle continue, du simple avis à l'accompagnement */
.label-rule { display: inline-flex; align-items: center; gap: 0.75rem; }
.label-rule::before { content: ""; width: 2.5rem; height: 1px; background: currentColor; opacity: 0.7; }
.section-scale { background: linear-gradient(180deg, #fff 0%, #f6f8fc 100%); }
.scale-head { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 1.5rem clamp(2rem, 6vw, 6rem); align-items: end; }
.scale-head h2 { margin-top: 0.9rem; font-size: clamp(1.7rem, 1.2rem + 1.6vw, 2.5rem); line-height: 1.12; max-width: 34rem; }
.scale-lede { color: var(--muted); font-size: 1.04rem; line-height: 1.7; max-width: 34rem; }

/* Frise : la taille des repères croît avec l'ampleur de l'étude */
.scale-track { position: relative; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 1rem; align-items: center; height: 1.6rem; margin: clamp(2.75rem, 5vw, 3.75rem) 0 1rem; }
.scale-track::before { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 2px; transform: translateY(-50%); border-radius: 2px; background: linear-gradient(90deg, #c9d8f6 0%, var(--light-blue) 40%, var(--accent) 70%, var(--navy) 100%); }
.scale-track::after { content: ""; position: absolute; right: -2px; top: 50%; width: 8px; height: 8px; border-top: 2px solid var(--navy); border-right: 2px solid var(--navy); transform: translateY(-50%) rotate(45deg); }
.scale-track i { position: relative; justify-self: start; margin-left: 1.5rem; border-radius: 50%; background: #fff; border: 2px solid currentColor; box-shadow: 0 0 0 5px #fff; }
.scale-track i:nth-of-type(1) { width: 0.7rem; height: 0.7rem; color: #9db8f1; }
.scale-track i:nth-of-type(2) { width: 0.95rem; height: 0.95rem; color: var(--light-blue); }
.scale-track i:nth-of-type(3) { width: 1.2rem; height: 1.2rem; color: var(--accent); background: var(--accent); box-shadow: 0 0 0 5px #fff, 0 0 0 8px rgba(15, 87, 237, 0.12); }
.scale-track i:nth-of-type(4) { width: 1.5rem; height: 1.5rem; color: var(--navy); background: var(--navy); box-shadow: 0 0 0 5px #fff, 0 0 0 10px rgba(7, 31, 69, 0.1); }
.st-cap { position: absolute; top: -1.55rem; font-family: var(--font-head); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.st-cap-l { left: 0; } .st-cap-r { right: 0; color: var(--navy); }

/* Cartes */
.scale { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.scale-card { position: relative; display: flex; flex-direction: column; padding: 1.5rem 1.5rem 1.35rem; border-radius: var(--radius); background: #fff; border: 1px solid var(--card-border); box-shadow: 0 1px 2px rgba(7, 31, 69, 0.04); transition: transform 300ms var(--ease-out), box-shadow 300ms ease, border-color 200ms ease; }
.scale-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 0.75rem; min-height: 2.4rem; }
.scale-time { font-family: var(--font-head); font-size: 0.78rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; line-height: 1.4; color: var(--accent); }
.scale-meter { display: inline-flex; align-items: flex-end; gap: 3px; flex: none; padding-top: 0.15rem; }
.scale-meter i { width: 5px; border-radius: 1px; background: #dfe6f3; }
.scale-meter i:nth-child(1) { height: 6px; } .scale-meter i:nth-child(2) { height: 9px; } .scale-meter i:nth-child(3) { height: 12px; } .scale-meter i:nth-child(4) { height: 15px; }
.scale-card[style*="--i:1"] .scale-meter i:nth-child(-n+1),
.scale-card[style*="--i:2"] .scale-meter i:nth-child(-n+2),
.scale-card[style*="--i:3"] .scale-meter i:nth-child(-n+3),
.scale-card[style*="--i:4"] .scale-meter i { background: var(--accent); }
.scale-card h3 { margin-top: 1rem; font-size: 1.22rem; line-height: 1.2; }
.scale-txt { margin-top: 0.65rem; color: var(--muted); font-size: 0.95rem; line-height: 1.62; }
.scale-meta { display: grid; gap: 0.55rem; margin: auto 0 0; padding-top: 1.1rem; }
.scale-txt + .scale-meta { margin-top: 1.4rem; border-top: 1px solid var(--card-border); }
.scale-meta div { display: grid; grid-template-columns: 6.2rem minmax(0, 1fr); gap: 0.5rem; align-items: baseline; }
.scale-meta dt { font-family: var(--font-head); font-size: 0.7rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.scale-meta dd { margin: 0; font-size: 0.88rem; font-weight: 500; color: var(--navy); line-height: 1.4; }
/* L'accompagnement, sommet de l'échelle, en bleu nuit */
.scale-card[style*="--i:4"] { background: linear-gradient(160deg, #0b2a5c 0%, var(--navy) 70%); border-color: var(--navy); box-shadow: 0 18px 40px -22px rgba(7, 31, 69, 0.7); }
.scale-card[style*="--i:4"] h3, .scale-card[style*="--i:4"] dd { color: #fff; }
.scale-card[style*="--i:4"] .scale-time { color: var(--light-blue); }
.scale-card[style*="--i:4"] .scale-txt, .scale-card[style*="--i:4"] dt { color: var(--on-navy-2); }
.scale-card[style*="--i:4"] .scale-meta { border-top-color: var(--navy-line); }
.scale-card[style*="--i:4"] .scale-meter i { background: var(--light-blue); }
@media (hover: hover) and (pointer: fine) {
  .scale-card:hover { transform: translateY(-4px); border-color: rgba(15, 87, 237, 0.35); box-shadow: 0 16px 34px -20px rgba(7, 31, 69, 0.35); }
  .scale-card[style*="--i:4"]:hover { border-color: var(--light-blue); }
}
@media (max-width: 1000px) {
  .scale-head { grid-template-columns: 1fr; align-items: start; }
  .scale-track { display: none; }
  .scale { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 2rem; }
}
@media (max-width: 600px) { .scale { grid-template-columns: 1fr; } .scale-meta div { grid-template-columns: 5.6rem minmax(0, 1fr); } }
.scale-meta { grid-template-columns: auto minmax(0, 1fr); gap: 1.4rem; margin-top: auto; padding-top: 1rem; border-top: 1px solid var(--card-border); }
.scale-txt + .scale-meta { margin-top: auto; }
.scale-txt { margin-bottom: 1.4rem; }
.scale-meta div { display: flex; flex-direction: column; gap: 0.3rem; }
.scale-meta dd { font-size: 0.9rem; }

/* Simulation Lab : accès direct aux démonstrateurs depuis le haut de page */
.lab-jumps { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 2rem; }
.lab-jump { display: inline-flex; align-items: center; gap: 0.6rem; min-height: 2.75rem; padding: 0.3rem 1rem 0.3rem 0.3rem; border-radius: 999px; border: 1px solid rgba(195, 210, 234, 0.3); background: rgba(0, 11, 32, 0.35); color: #fff; text-decoration: none; font-size: 0.9rem; font-weight: 500; transition: background-color 150ms ease, border-color 150ms ease; }
.lab-jump img { width: 2.1rem; height: 2.1rem; border-radius: 50%; object-fit: cover; transform: scale(1); background: #0b2348; }
.lab-jump.is-active { background: var(--accent); border-color: var(--accent); }
.lab-jump:focus-visible { outline: 2px solid var(--light-blue); outline-offset: 2px; }
@media (hover: hover) and (pointer: fine) { .lab-jump:not(.is-active):hover { border-color: var(--light-blue); background: rgba(15, 87, 237, 0.18); } }
@media (max-width: 640px) { .lab-jumps { gap: 0.45rem; } .lab-jump { font-size: 0.82rem; padding-right: 0.8rem; } .lab-jump img { width: 1.8rem; height: 1.8rem; } }
.lab-jump { padding: 0.3rem 1.1rem; }

/* En-tête sur une seule ligne, façon barre de navigation classique : logo à gauche, rubriques à droite */
.site-header { border-top: 3px solid var(--accent); }
@media (min-width: 861px) and (max-width: 1150px) { .brand .wordmark { display: none; } }
@media (min-width: 861px) and (max-width: 1240px) {
  .header-inner { gap: 0.75rem; }
  .nav { gap: 0.95rem; }
  .nav-link { font-size: 0.86rem; }
  .nav .lang-switch > span, .nav .lang-switch > a:not(.btn) { min-width: 1.9rem; padding: 0 0.35rem; }
  .nav .btn-sm { padding-inline: 0.85rem; }
}
@media (min-width: 861px) and (max-width: 1000px) { .nav { gap: 0.7rem; } .nav-link { font-size: 0.82rem; } }
.anchor-nav { top: calc(4.1rem + 3px); }
.portrait-frame img { object-position: 50% 22%; }

/* Devise du bandeau d'accueil : même typographie qu'avant, en plus grand */
.hero .devise { font-size: clamp(0.95rem, 0.8rem + 0.5vw, 1.2rem); }
@media (max-width: 520px) { .hero .devise { letter-spacing: 0.16em; } }

/* v70 : démonstrateur 3D mis en avant dans chaque secteur, bouton Méthode dans chaque expertise */
.topic .demo-feature { margin-top: 1.75rem; max-width: 32rem; min-height: 19rem; box-shadow: 0 18px 40px -26px rgba(7, 31, 69, 0.55); }
.topic .demo-feature h3 { font-size: 1.3rem; }
.topic .demo-feature p { font-size: 0.88rem; }
.topic .demo-feature .demo-go { display: inline-flex; align-self: flex-start; margin-top: 0.7rem; padding: 0.45rem 0.9rem; border-radius: 999px; background: var(--accent); color: #fff; font-size: 0.86rem; transition: background-color 200ms ease, transform 300ms var(--ease-out); }
@media (hover: hover) and (pointer: fine) { .topic .demo-feature:hover .demo-go { background: #fff; color: var(--navy); } }
@media (max-width: 900px) { .topic .demo-feature { max-width: none; min-height: 16rem; } }
.topic-method { margin-top: 1.5rem; }

/* Mobile : expertises et secteurs en carrousel horizontal (défilement au doigt, aimantation carte par carte) */
@media (max-width: 760px) {
  .cards, .sector-tiles {
    display: flex; gap: 0.85rem; overflow-x: auto; overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory; scrollbar-width: none; -webkit-overflow-scrolling: touch;
    margin-inline: calc(-1 * var(--gutter)); padding: 0.25rem var(--gutter) 0.75rem; scroll-padding-inline: var(--gutter);
  }
  .cards::-webkit-scrollbar, .sector-tiles::-webkit-scrollbar { display: none; }
  .cards > .card-img { flex: 0 0 82%; max-width: 22rem; min-height: 20rem; scroll-snap-align: start; }
  .sector-tiles > .sector-tile, .sector-tiles > .sector-tile:first-child, .sector-tiles > .sector-tile:nth-child(n+4) { flex: 0 0 64%; max-width: 15rem; min-height: 19rem; grid-column: auto; scroll-snap-align: start; }
  .cards::after, .sector-tiles::after { content: ""; flex: 0 0 1px; }
}

/* Mobile : tailles de projet et méthode (accueil) en carrousel horizontal, comme expertises et secteurs */
@media (max-width: 760px) {
  .scale, .process-wrap.w6 .process-6 {
    display: flex; gap: 0.85rem; overflow-x: auto; overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory; scrollbar-width: none; -webkit-overflow-scrolling: touch;
    margin-inline: calc(-1 * var(--gutter)); padding: 0.5rem var(--gutter) 1rem; scroll-padding-inline: var(--gutter);
  }
  .scale { margin-top: 1.75rem; }
  .scale::-webkit-scrollbar, .process-wrap.w6 .process-6::-webkit-scrollbar { display: none; }
  .scale > .scale-card { flex: 0 0 82%; max-width: 21rem; scroll-snap-align: start; }
  .process-wrap.w6 .process-6 > li { flex: 0 0 64%; max-width: 15rem; scroll-snap-align: start; padding-top: 1.4rem; }
  .scale::after, .process-wrap.w6 .process-6::after { content: ""; flex: 0 0 1px; }
}

/* v74 : accueil plus resserré, vignettes secteurs plus grandes, sélecteur de langue à drapeaux */
body[data-page="index"] .section { padding-block: clamp(3rem, 2.2rem + 3vw, 5.25rem); }
body[data-page="index"] .section-head { margin-bottom: clamp(1.6rem, 1.3rem + 1.2vw, 2.4rem); }
@media (min-width: 761px) {
  .sector-tiles { grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 1.1rem; }
  .sector-tile { grid-column: span 2; min-height: clamp(19rem, 14rem + 10vw, 25rem); }
  .sector-tile:nth-child(n+4) { grid-column: span 3; min-height: clamp(17rem, 13rem + 8vw, 22rem); }
  .sector-tile strong { font-size: 1.4rem; }
}
@media (max-width: 760px) {
  .sector-tiles > .sector-tile, .sector-tiles > .sector-tile:first-child, .sector-tiles > .sector-tile:nth-child(n+4) { flex: 0 0 80%; max-width: 21rem; min-height: 22rem; }
}
.lang-flags > span, .lang-flags > a, .nav .lang-flags > a:not(.btn), .nav .lang-flags > span { width: 2.2rem; min-width: 0; height: 1.85rem; padding: 0; }
.lang-flags > span[aria-current] { background: rgba(195, 210, 234, 0.2); box-shadow: inset 0 0 0 1px rgba(195, 210, 234, 0.45); }
.lang-flags .flag { display: block; width: 1.45rem; height: 0.97rem; border-radius: 2px; box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.28); }
.lang-flags > a .flag { opacity: 0.5; filter: saturate(0.4); transition: opacity 160ms ease, filter 160ms ease; }
@media (hover: hover) and (pointer: fine) { .lang-flags > a:hover .flag { opacity: 1; filter: none; } }
.lang-flags > a:focus-visible .flag { opacity: 1; filter: none; }
@media (pointer: coarse) { .lang-flags > span, .lang-flags > a, .nav .lang-flags > a:not(.btn) { width: 2.8rem; height: 2.4rem; } }

/* =========================================================
   Simulation Lab sur smartphone : la vue 3D reste entièrement dégagée.
   Sous l'image, dans l'ordre de lecture : état de la simulation, légende
   horizontale, courbe, résultats, puis les commandes. Les étiquettes 3D
   restent calées sur l'image (position relative à .lab-view, dont l'image
   occupe le haut).
   ========================================================= */
@media (max-width: 640px) {
  .lab-view { display: flex; flex-direction: column; }
  .lab-view > .lab-canvas { order: 1; aspect-ratio: 1 / 1; }
  .lab-view > .sim-hud { order: 2; }
  .lab-view > .sim-legend { order: 3; }
  .lab-view > .lab-labels { order: 4; }
  .lab-view > .lab-overlay { order: 5; }
  .lab-view > .lab-toolbar { order: 6; }

  /* État de la simulation : bandeau sous l'image */
  .lab-view .sim-hud, .lab-view.is-compact .sim-hud {
    position: static; max-width: none; text-align: left; padding: 0.6rem 0.8rem 0.55rem;
    font-size: 0.74rem; line-height: 1.4; background: #0a2148; border-top: 1px solid var(--navy-line);
  }
  .lab-view .sim-hud strong, .lab-view.is-compact .sim-hud strong { font-size: 0.84rem; }
  .lab-view .sim-hud:empty { display: none; }

  /* Légende : échelle de couleurs horizontale, du minimum (à gauche) au maximum */
  .lab-view .sim-legend, .lab-view.is-compact .sim-legend {
    position: static; display: flex; flex-flow: row-reverse wrap; gap: 0.25rem 2px;
    padding: 0.5rem 0.8rem 0.6rem; border: 0; border-top: 1px solid var(--navy-line); border-radius: 0;
    background: #0a2148; font-size: 0.58rem;
  }
  .lab-view .sim-legend[hidden] { display: none; }
  .lab-view .sim-legend .lg-title { flex: 0 0 100%; max-width: none; margin: 0 0 0.15rem; font-size: 0.68rem; text-align: left; }
  .lab-view .sim-legend .lg-row { flex: 1 1 0; min-width: 0; flex-direction: column; align-items: stretch; gap: 0.2rem; text-align: center; line-height: 1; white-space: nowrap; }
  .lab-view .sim-legend .lg-sw { width: 100%; height: 0.5rem; }
  .lab-view .sim-legend .lg-row:first-of-type .lg-sw { border-radius: 0 2px 2px 0; }
  .lab-view .sim-legend .lg-row:last-of-type .lg-sw { border-radius: 2px 0 0 2px; }
  /* Légende à barre continue (frettage) : titre à gauche, barre à droite */
  .lab-view .sim-legend:has(.lgb) { flex-flow: row nowrap; align-items: center; justify-content: space-between; gap: 1rem; }
  .lab-view .sim-legend:has(.lgb) .lg-title { flex: 1 1 auto; margin: 0; }
  .lab-view .lgb { height: 4.2rem; }

  /* Étiquettes 3D calées sur l'image ; les courbes passent dans le flux sous l'image */
  .lab-view > .lab-labels { position: static; inset: auto; aspect-ratio: auto; overflow: visible; }
  .lab-view .lab-chart, .lab-view.is-compact .lab-chart {
    display: flex; position: static; width: auto; height: 9.5rem; margin: 0; padding: 0.45rem 0.5rem 0.2rem;
    border: 0; border-top: 1px solid var(--navy-line); border-radius: 0; background: #0a2148;
  }
  .lab-view .lab-chart.is-off { display: none; }
  .lab-view .lab-chart .lc-title, .lab-view.is-compact .lab-chart .lc-title { font-size: 0.66rem; padding: 0 0.3rem; }

  /* Résultats chiffrés : panneau sous l'image au lieu d'être masqués */
  .lab-view .lab-overlay, .lab-view.is-compact .lab-overlay {
    display: block; position: static; max-width: none; margin: 0; padding: 0.6rem 0.8rem 0.7rem;
    border: 0; border-top: 1px solid var(--navy-line); border-radius: 0; background: #0a2148; font-size: 0.74rem;
  }
  .lab-view .lab-overlay[hidden] { display: none; }
  .lab-view .lab-overlay h4, .lab-view.is-compact .lab-overlay h4 { font-size: 0.64rem; }
  .lab-view .lab-overlay dl { grid-template-columns: minmax(0, 1fr) auto; }

  /* Commandes : physiques affichées sur toute la largeur, puis lecture et options */
  .lab-toolbar { justify-content: flex-start; gap: 0.45rem; padding: 0.6rem 0.6rem 0.65rem; }
  .lab-toolbar .tb-modes { order: -1; flex: 1 1 100%; display: flex; }
  .lab-toolbar .tb-modes { flex-wrap: wrap; }
  .lab-toolbar .tb-modes button { flex: 1 1 auto; min-width: 0; padding: 0 0.55rem; white-space: nowrap; }
  .lab-toolbar .tb-toggles { flex: 1 1 auto; }
}
/* Smartphone (suite) : image, état, légende, commandes et étapes restent groupés ;
   courbe et résultats viennent ensuite. .lab-view s'efface (display: contents),
   ses éléments se rangent dans .lab-stage. */
@media (max-width: 640px) {
  .lab-stage { position: relative; display: flex; flex-direction: column; border-radius: 10px; overflow: hidden; border: 1px solid var(--navy-line); background: #061630; }
  .lab-stage > .lab-view { display: contents; }
  .lab-view > .lab-canvas { order: 1; background: radial-gradient(ellipse at 50% 30%, #2a4b7c 0%, #11305c 55%, #071a3a 100%); }
  .lab-view > .sim-hud { order: 2; }
  .lab-view > .sim-legend { order: 3; }
  .lab-view > .lab-toolbar { order: 4; }
  .lab-stage > .lab-films { order: 5; border-inline: 0; }
  .lab-stage > .lab-timeline { order: 6; border-inline: 0; border-radius: 0; }
  .lab-view > .lab-labels { order: 7; }
  .lab-view > .lab-overlay { order: 8; }
  .lab-view > .sim-fallback { order: 1; }
  .lab-stage > .sim-help { order: 9; margin: 0; padding: 0.5rem 0.8rem 0.6rem; text-align: left; color: var(--on-navy-3); border-top: 1px solid var(--navy-line); }
}

/* v78 : étapes de la méthode cliquables (accueil), tuiles « tailles de projet » qui se déploient, page méthode à étapes */
.process-link { color: inherit; text-decoration: none; }
.process-link::after { content: ""; position: absolute; inset: 0; z-index: 2; border-radius: inherit; }
.process-link:focus-visible { outline: none; }
.process li:has(.process-link) { cursor: pointer; }
.process li:has(.process-link):focus-within { outline: 2px solid var(--accent); outline-offset: 2px; }
.process li:has(.process-link)::after { content: "→"; display: block; margin-top: 0.55rem; font-weight: 600; line-height: 1; color: var(--accent); opacity: 0.55; transition: opacity 200ms ease, transform 200ms ease; }
.process li:has(.process-link):hover::after, .process li.is-active:has(.process-link)::after { opacity: 1; transform: translateX(3px); }
.process li:has(.process-link):hover h3 { color: var(--accent); }

.scale-more { display: none; }
@media (min-width: 761px) {
  .scale { align-items: start; }
  .scale-card { min-height: var(--scale-h, 0px); }
  .scale-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
  .scale-card::after { content: "+"; position: absolute; right: 1.15rem; bottom: 0.7rem; font: 500 1.35rem/1 var(--font-head); color: var(--accent); transition: transform 300ms var(--ease-out), opacity 200ms ease; }
  .scale-card[style*="--i:4"]::after { color: var(--light-blue); }
  .scale-more { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 380ms var(--ease-out); }
  .scale-more > div { overflow: hidden; min-height: 0; }
  .scale-more .ticks { margin: 0; padding: 1rem 0 1.5rem; border-top: 1px solid var(--card-border); gap: 0.5rem; opacity: 0; transition: opacity 300ms ease; }
  .scale-more .ticks li { font-size: 0.9rem; line-height: 1.45; color: var(--navy); }
  .scale-card[style*="--i:4"] .scale-more .ticks { border-top-color: var(--navy-line); }
  .scale-card[style*="--i:4"] .scale-more .ticks li { color: #fff; }
  .scale-card[style*="--i:4"] .scale-more .ticks li::before { border-color: var(--light-blue); }
  .scale-card:hover .scale-more, .scale-card:focus-visible .scale-more { grid-template-rows: 1fr; }
  .scale-card:hover .scale-more .ticks, .scale-card:focus-visible .scale-more .ticks { opacity: 1; }
  .scale-card:hover::after, .scale-card:focus-visible::after { transform: rotate(45deg); opacity: 0.45; }
}
@media (min-width: 761px) and (hover: none) {
  .scale-more { grid-template-rows: 1fr; }
  .scale-more .ticks { opacity: 1; }
  .scale-card::after { display: none; }
}
@media (prefers-reduced-motion: reduce) { .scale-more, .scale-more .ticks, .scale-card::after { transition: none; } }

.mstep { max-width: 66rem; margin-inline: auto; scroll-margin-top: 6.5rem; }
.mstep-nav { position: relative; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 0.5rem; margin-bottom: 1.75rem; }
.mstep-nav::before, .mstep-nav::after { content: ""; position: absolute; left: 8.33%; right: 8.33%; top: 1.3rem; height: 2px; transform: translateY(-1px); background: var(--card-border); }
.mstep-nav::after { background: var(--accent); transform-origin: left center; transform: translateY(-1px) scaleX(var(--mstep-p, 0)); }
.mstep-nav a { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; gap: 0.55rem; padding-bottom: 0.25rem; text-align: center; text-decoration: none; font-size: 0.9rem; font-weight: 500; line-height: 1.25; color: var(--muted); }
.mstep-nav b { display: grid; place-items: center; width: 2.6rem; height: 2.6rem; border-radius: 50%; background: #fff; border: 2px solid var(--card-border); box-shadow: 0 0 0 5px var(--paper); font: 700 1rem var(--font-head); color: var(--navy); transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease; }
.mstep-nav a.is-done b { border-color: var(--accent); color: var(--accent); }
.mstep-nav a.is-active { color: var(--navy); font-weight: 600; }
.mstep-nav a.is-active b { background: var(--accent); border-color: var(--accent); color: #fff; }
.mstep-nav a:hover { color: var(--navy); }
.mstep-nav a:hover b { border-color: var(--accent); }
.mstep-nav a:focus-visible { outline: none; }
.mstep-nav a:focus-visible b { outline: 2px solid var(--accent); outline-offset: 3px; }
.mstep-panel { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: clamp(1.5rem, 4vw, 3.5rem); padding: clamp(1.4rem, 3vw, 2.75rem); background: #fff; box-shadow: 0 1px 2px rgba(7, 31, 69, 0.04); border: 1px solid var(--card-border); border-radius: var(--radius); scroll-margin-top: 7.5rem; }
.mstep-panel + .mstep-panel { margin-top: 1rem; }
.mstep.is-ready .mstep-panel { min-height: 21.5rem; margin-top: 0; }
.mstep.is-ready .mstep-panel:not(.is-active) { display: none; }
.mstep-kicker { font: 600 0.78rem var(--font-head); letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.mstep-main h2 { margin-top: 0.6rem; font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.1rem); line-height: 1.15; }
.mstep-lead { margin-top: 0.9rem; font-size: 1.05rem; line-height: 1.65; color: var(--muted); }
.mstep-cols { display: grid; gap: 1rem; align-content: start; }
.mstep-cols > div { padding: 1.1rem 1.25rem 1.2rem; border-radius: 10px; background: #f6f8fc; }
.mstep-cols > .mstep-out { background: #eaf1ff; box-shadow: inset 3px 0 0 var(--accent); }
.mstep-cols h3 { font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.mstep-cols .ticks { margin-top: 0.7rem; gap: 0.45rem; }
.mstep-cols .ticks li { font-size: 0.96rem; color: var(--navy); }
.mstep-foot { display: none; justify-content: space-between; gap: 0.75rem; margin-top: 1.25rem; }
.mstep.is-ready .mstep-foot { display: flex; }
.mstep-foot button:disabled { visibility: hidden; }
@media (max-width: 760px) {
  .mstep-nav { display: flex; gap: 0.4rem; margin-bottom: 1.1rem; }
  .mstep-nav::before, .mstep-nav::after { display: none; }
  .mstep-nav a { flex: 0 0 auto; flex-direction: row; gap: 0.5rem; padding: 0; text-align: left; }
  .mstep-nav b { width: 2.4rem; height: 2.4rem; box-shadow: none; }
  .mstep-nav span { display: none; }
  .mstep-nav a.is-active { flex: 1 1 auto; min-width: 0; }
  .mstep-nav a.is-active span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .mstep-panel { grid-template-columns: 1fr; }
  .mstep.is-ready .mstep-panel { min-height: 0; }
  .mstep-foot .btn { flex: 1 1 0; justify-content: center; padding-inline: 0.75rem; }
}

/* v79 : mobile — détail des tailles de projet toujours visible dans le carrousel, page méthode compacte */
@media (max-width: 760px) {
  .scale-more { display: block; margin-top: auto; }
  .scale-txt { margin-bottom: 1.1rem; }
  .scale-more .ticks { margin: 0; padding-top: 0.95rem; border-top: 1px solid var(--card-border); gap: 0.45rem; }
  .scale-more .ticks li { font-size: 0.9rem; line-height: 1.45; color: var(--navy); }
  .scale-card[style*="--i:4"] .scale-more .ticks { border-top-color: var(--navy-line); }
  .scale-card[style*="--i:4"] .scale-more .ticks li { color: #fff; }
  .scale-card[style*="--i:4"] .scale-more .ticks li::before { border-color: var(--light-blue); }
  .process-wrap.w6 .process-6 > li:has(.process-link)::after { margin-top: 0.7rem; opacity: 1; }
  .mstep { scroll-margin-top: 5rem; }
  .mstep-nav { position: sticky; top: 4rem; z-index: 5; margin-inline: calc(-1 * var(--gutter)); padding: 0.6rem var(--gutter); background: var(--paper); border-bottom: 1px solid var(--card-border); }
  .mstep-nav a { min-height: 2.75rem; align-items: center; font-size: 0.95rem; }
  .mstep-panel { gap: 1.25rem; padding: 1.25rem 1.1rem 1.35rem; }
  .mstep-lead { font-size: 1rem; }
  .mstep-cols > div { padding: 1rem 1.05rem 1.1rem; }
  .mstep-foot { margin-top: 1rem; }
  .mstep-foot .btn { min-height: 3rem; font-size: 0.92rem; }
}
@media (max-width: 760px) {
  .mstep-nav { top: 4.375rem; justify-content: space-between; gap: 0; }
  .mstep-nav::before, .mstep-nav::after { display: block; left: calc(var(--gutter) + 1.2rem); right: calc(var(--gutter) + 1.2rem); top: calc(0.6rem + 1.375rem); }
  .mstep-nav a, .mstep-nav a.is-active { flex: 0 0 auto; }
  .mstep-nav a.is-active span, .mstep-nav span { display: none; }
  .mstep-nav b { box-shadow: 0 0 0 4px var(--paper); }
  .mstep-foot .btn { font-size: 0.85rem; white-space: nowrap; padding-inline: 0.5rem; }
}