/* ============================================================================
   HORAMA — L'intelligence visuelle souveraine
   main.css — direction artistique : anthracite profond, bleu signal unique,
   filets fins, langage vision par ordinateur (cadres de détection, réticules,
   coordonnées monospace).
   ----------------------------------------------------------------------------
   SOMMAIRE
   00. Tokens & fonts            05. Hero
   01. Reset & base              06. Manifeste / compteurs
   02. Utilitaires (mono, rules) 07. Approche (piliers)
   03. Signature CV (brackets…)  08. Secteurs (séquences)
   04. Nav & menu                09. Différenciation / International /
                                     Équipe / FAQ / Contact / Footer
                                 10. Curseur, preloader, progress
                                 11. Responsive & reduced-motion
   ========================================================================== */

/* ── 00. TOKENS ─────────────────────────────────────────────────────────── */

@font-face {
  font-family: 'General Sans';
  src: url('../fonts/general-sans-400.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'General Sans';
  src: url('../fonts/general-sans-500.woff2') format('woff2');
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: 'General Sans';
  src: url('../fonts/general-sans-600.woff2') format('woff2');
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-var.woff2') format('woff2');
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: 'Geist Mono';
  src: url('../fonts/geist-mono-var.woff2') format('woff2');
  font-weight: 100 900;
  font-display: swap;
}

:root {
  /* Fonds — anthracite, jamais noir pur */
  --bg-0: #1a1c1e;
  --bg-1: #1e2023;
  --bg-2: #232629;
  --bg-veil: rgba(26, 28, 30, 0.55);

  /* Encres */
  --ink-1: #e9ebee;
  --ink-2: #a3a9af;
  --ink-3: #7c828a; /* labels décoratifs uniquement */

  /* Accent unique — bleu signal froid */
  --accent: #4fa3ff;
  --accent-soft: rgba(79, 163, 255, 0.12);
  --accent-line: rgba(79, 163, 255, 0.38);

  /* Filets */
  --line: rgba(233, 235, 238, 0.08);
  --line-strong: rgba(233, 235, 238, 0.18);

  /* Typo */
  --f-display: 'General Sans', 'Inter', system-ui, sans-serif;
  --f-body: 'Inter', system-ui, -apple-system, sans-serif;
  --f-mono: 'Geist Mono', 'SF Mono', ui-monospace, monospace;

  /* Rythme */
  --space-section: clamp(7rem, 16vh, 12rem);
  --gutter: clamp(1.25rem, 4vw, 4rem);
  --content-max: 90rem;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --nav-h: 4.25rem;
}

/* ── 01. RESET & BASE ───────────────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  color-scheme: dark;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

body {
  font-family: var(--f-body);
  font-size: 1rem;
  line-height: 1.6;
  font-weight: 400;
  color: var(--ink-1);
  background-color: var(--bg-1);
  overflow-x: clip;
  font-feature-settings: 'ss01' on;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { list-style: none; }
::selection { background: var(--accent); color: var(--bg-0); }

:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 4px;
  border-radius: 1px;
}

.skip-link {
  position: fixed; top: -4rem; left: 1rem; z-index: 300;
  padding: 0.75rem 1.25rem;
  background: var(--bg-0); border: 1px solid var(--line-strong);
  font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.08em;
  transition: top 0.25s var(--ease-out);
}
.skip-link:focus-visible { top: 1rem; }

/* ── 02. UTILITAIRES ────────────────────────────────────────────────────── */

.wrap {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* Label monospace — signature des sections : "01 — APPROCHE" */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.75em;
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.tag::before {
  content: '';
  width: 0.4375rem; height: 0.4375rem;
  border: 1px solid var(--accent-line);
  transform: rotate(45deg);
  flex: none;
}
.tag b { color: var(--accent); font-weight: 500; }

.mono {
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  font-weight: 450;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* Filet fin 0,5px (réel sur écrans retina) */
.rule {
  border: 0;
  height: 1px;
  background: var(--line);
  transform: scaleY(0.5);
  transform-origin: top;
}

h1, h2, h3 {
  font-family: var(--f-display);
  font-weight: 500;
  line-height: 1.04;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.h-display { font-size: clamp(2.75rem, 7.4vw, 6.75rem); }
.h-section { font-size: clamp(2.125rem, 5vw, 4.25rem); }
.h-sub     { font-size: clamp(1.375rem, 2.6vw, 2.125rem); letter-spacing: -0.015em; }

.lead {
  font-size: clamp(1.0625rem, 1.45vw, 1.3125rem);
  line-height: 1.65;
  color: var(--ink-2);
  max-width: 42em;
}
.lead strong, .copy strong { color: var(--ink-1); font-weight: 500; }

.copy { color: var(--ink-2); max-width: 38em; }

/* En-tête de section générique */
.s-head {
  display: grid;
  gap: 1.5rem;
  padding-top: var(--space-section);
  margin-bottom: clamp(3rem, 7vh, 5.5rem);
}
.s-head .rule { width: 100%; }

/* ── 03. SIGNATURE VISION PAR ORDINATEUR ────────────────────────────────── */

/* Cadre de détection : coins fins dessinés autour d'un média */
.frame { position: relative; }
.frame .corners,
.hud .corners { position: absolute; inset: 0; pointer-events: none; }
.corners i {
  position: absolute;
  width: 1.125rem; height: 1.125rem;
  border: 0 solid var(--accent);
  opacity: 0.85;
}
.corners i:nth-child(1) { top: 0;    left: 0;   border-top-width: 1px;    border-left-width: 1px; }
.corners i:nth-child(2) { top: 0;    right: 0;  border-top-width: 1px;    border-right-width: 1px; }
.corners i:nth-child(3) { bottom: 0; left: 0;   border-bottom-width: 1px; border-left-width: 1px; }
.corners i:nth-child(4) { bottom: 0; right: 0;  border-bottom-width: 1px; border-right-width: 1px; }

/* Surimpression de grille de calibration sur les images */
.media {
  position: relative;
  overflow: hidden;
  background: var(--bg-2);
}
.media img {
  width: 100%; height: 100%;
  object-fit: cover;
  /* Traitement homogène : désaturé, froid, contrasté */
  filter: grayscale(0.72) saturate(0.85) contrast(1.06) brightness(0.82);
}
.media::before {
  /* grille fine */
  content: '';
  position: absolute; inset: 0; z-index: 2;
  background-image:
    linear-gradient(to right, rgba(233,235,238,0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(233,235,238,0.045) 1px, transparent 1px);
  background-size: 25% 33.333%;
  pointer-events: none;
}
.media::after {
  /* voile froid + vignettage léger, fait ressortir l'accent */
  content: '';
  position: absolute; inset: 0; z-index: 2;
  background:
    linear-gradient(180deg, rgba(26,28,30,0.18), rgba(26,28,30,0.05) 35%, rgba(26,28,30,0.42)),
    radial-gradient(120% 90% at 50% 30%, transparent 55%, rgba(26,28,30,0.5));
  pointer-events: none;
}
.media .meta {
  position: absolute; z-index: 3;
  left: 0.875rem; bottom: 0.75rem;
  font-family: var(--f-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.14em;
  color: rgba(233,235,238,0.66);
  text-transform: uppercase;
}

/* Boîte de détection posée sur une image — cliquable : ouvre le rapport */
.bbox {
  position: absolute; z-index: 3;
  border: 1px solid var(--accent);
  background: var(--accent-soft);
  opacity: 0;
  cursor: pointer;
  padding: 0;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}
.bbox:hover, .bbox:focus-visible {
  background: rgba(79, 163, 255, 0.22);
  box-shadow: 0 0 0 1px var(--accent), 0 0 20px rgba(79, 163, 255, 0.35);
}
.bbox::after {
  content: '+';
  position: absolute;
  right: 0.25rem; bottom: 0.0625rem;
  font-family: var(--f-mono);
  font-size: 0.625rem;
  color: var(--accent);
}
.bbox .bbox-label {
  position: absolute;
  top: -1.4375rem; left: -1px;
  padding: 0.1875rem 0.5rem;
  background: var(--accent);
  color: var(--bg-0);
  font-family: var(--f-mono);
  font-size: 0.5625rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  white-space: nowrap;
  pointer-events: none;
}

/* Rapport de détection (modale ouverte au clic sur une bbox) */
.detect {
  position: fixed; inset: 0; z-index: 460;
  display: grid;
  place-items: center;
  padding: 1.25rem;
  background: rgba(26, 28, 30, 0.84);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  opacity: 0;
  transition: opacity 0.35s ease;
}
.detect.is-on { opacity: 1; }
.detect-card {
  position: relative;
  width: min(58rem, 100%);
  background: var(--bg-1);
  border: 1px solid var(--line-strong);
  display: grid;
  grid-template-columns: 1.15fr 1fr;
}
.detect-zoom {
  position: relative;
  overflow: hidden;
  background: var(--bg-0);
  min-height: 100%;
}
.detect-zoom img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(0.55) saturate(0.9) contrast(1.05) brightness(0.9);
  transition: transform 1.1s cubic-bezier(0.22, 1, 0.36, 1);
}
.detect-zoom .corners { position: absolute; inset: 0.625rem; pointer-events: none; }
.detect-zoom .cross {
  left: calc(50% - 0.34375rem);
  top: calc(50% - 0.34375rem);
  opacity: 0.9;
}
.detect-zoom .scan {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(233,235,238,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(233,235,238,0.04) 1px, transparent 1px);
  background-size: 16.666% 16.666%;
  pointer-events: none;
}
.detect-data {
  padding: 1.625rem 1.625rem 1.5rem;
  display: grid;
  align-content: start;
}
.detect-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line-strong);
}
.detect-kicker {
  font-family: var(--f-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.detect-id {
  font-family: var(--f-mono);
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  color: var(--accent);
}
.detect-row {
  display: grid;
  grid-template-columns: 38% 1fr;
  gap: 1rem;
  padding: 0.6875rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.8125rem;
  align-items: center;
}
.detect-row dt {
  font-family: var(--f-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.detect-row dd { color: var(--ink-1); }
.conf-track { height: 2px; background: var(--line-strong); position: relative; margin-top: 0.4375rem; }
.conf-fill {
  position: absolute; inset: 0;
  background: var(--accent);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.3s;
}
.detect-note {
  margin-top: 1.25rem;
  font-size: 0.78125rem;
  line-height: 1.6;
  color: var(--ink-2);
}
.detect-note a { color: var(--accent); }
.detect-close {
  position: absolute;
  top: 0.75rem; right: 0.75rem;
  z-index: 2;
  width: 2.375rem; height: 2.375rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  background: var(--bg-1);
  font-family: var(--f-mono);
  font-size: 0.875rem;
  transition: border-color 0.3s ease, color 0.3s ease;
}
.detect-close:hover { border-color: var(--accent); color: var(--accent); }
@media (max-width: 48rem) {
  .detect { padding: 0.875rem; align-items: end; }
  .detect-card { grid-template-columns: 1fr; max-height: 90svh; overflow: auto; }
  .detect-zoom { aspect-ratio: 4 / 3; min-height: 0; }
}

/* Croix de calibration décoratives */
.cross {
  position: absolute;
  width: 0.6875rem; height: 0.6875rem;
  pointer-events: none;
  opacity: 0.5;
}
.cross::before, .cross::after {
  content: '';
  position: absolute;
  background: var(--ink-3);
}
.cross::before { left: 50%; top: 0; width: 1px; height: 100%; }
.cross::after  { top: 50%; left: 0; height: 1px; width: 100%; }
.cross.is-accent::before, .cross.is-accent::after { background: var(--accent); }

/* ── 04. NAV ────────────────────────────────────────────────────────────── */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 200;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background-color 0.45s ease, backdrop-filter 0.45s ease, transform 0.5s var(--ease-out);
}
.nav::after {
  content: '';
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--line);
  transform: scaleY(0.5);
  opacity: 0;
  transition: opacity 0.45s ease;
}
.nav.is-scrolled {
  background: rgba(26, 28, 30, 0.78);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}
.nav.is-scrolled::after { opacity: 1; }
.nav.is-hidden { transform: translateY(-100%); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-logo { display: inline-flex; align-items: center; }
.nav-logo img {
  height: 1.5rem; width: auto;
  /* wordmark noir → blanc */
  filter: invert(1) brightness(1.05);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 2.6vw, 2.5rem);
}
.nav-link {
  position: relative;
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
  transition: color 0.3s ease;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: -0.375rem;
  width: 100%; height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s var(--ease-out);
}
.nav-link:hover, .nav-link.is-active { color: var(--ink-1); }
.nav-link:hover::after, .nav-link.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-cta {
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-1);
  padding: 0.625rem 1.125rem;
  border: 1px solid var(--line-strong);
  transition: border-color 0.3s ease, color 0.3s ease, background-color 0.3s ease;
}
.nav-cta:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

/* Menus déroulants (Secteurs / Produits) */
.nav-drop { position: relative; }
.nav-drop-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.nav-drop-btn .caret {
  width: 0.5rem; height: 0.5rem;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg) translateY(-0.0625rem);
  transition: transform 0.3s var(--ease-out);
}
.nav-drop:hover .caret,
.nav-drop.is-open .caret { transform: rotate(225deg) translateY(-0.125rem); }

.nav-drop-panel {
  position: absolute;
  top: calc(100% + 1rem);
  left: 50%;
  transform: translate(-50%, 0.5rem);
  min-width: 24rem;
  padding: 0.5rem 0;
  background: rgba(26, 28, 30, 0.96);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border: 1px solid var(--line);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, transform 0.35s var(--ease-out), visibility 0s linear 0.35s;
}
.nav-drop-panel::before {
  /* pont invisible pour garder le hover entre le bouton et le panneau */
  content: '';
  position: absolute;
  top: -1.125rem; left: 0; right: 0;
  height: 1.125rem;
}
.nav-drop:hover .nav-drop-panel,
.nav-drop:focus-within .nav-drop-panel,
.nav-drop.is-open .nav-drop-panel {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
  transition-delay: 0s;
}
.nav-drop-panel a {
  display: grid;
  grid-template-columns: 2.25rem 1fr max-content;
  align-items: baseline;
  column-gap: 1rem;
  padding: 0.6875rem 1.25rem;
  font-size: 0.8438rem;
  white-space: nowrap;
  color: var(--ink-2);
  transition: color 0.25s ease, background-color 0.25s ease;
}
.nav-drop-panel a i {
  font-style: normal;
  font-family: var(--f-mono);
  font-size: 0.59375rem;
  letter-spacing: 0.1em;
  color: var(--ink-3);
  transition: color 0.25s ease;
}
.nav-drop-panel a small {
  text-align: right;
  font-family: var(--f-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.nav-drop-panel a:hover {
  color: var(--ink-1);
  background: var(--accent-soft);
}
.nav-drop-panel a:hover i { color: var(--accent); }
.nav-drop-panel .panel-head {
  padding: 0.625rem 1.25rem 0.5rem;
  font-family: var(--f-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  border-bottom: 1px solid var(--line);
  margin-bottom: 0.375rem;
}

.lang {
  display: inline-flex;
  gap: 0.625rem;
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
}
.lang a, .lang span { color: var(--ink-3); transition: color 0.3s ease; }
.lang a:hover { color: var(--ink-1); }
.lang .is-current { color: var(--accent); }

/* Burger (mobile) */
.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 0.4375rem;
  width: 2.5rem; height: 2.5rem;
  align-items: flex-end;
}
.nav-burger span {
  display: block; height: 1px;
  background: var(--ink-1);
  transition: transform 0.4s var(--ease-out), width 0.4s var(--ease-out), opacity 0.3s;
}
.nav-burger span:nth-child(1) { width: 1.625rem; }
.nav-burger span:nth-child(2) { width: 1.125rem; }
.nav-burger[aria-expanded="true"] span:nth-child(1) { width: 1.5rem; transform: translateY(0.25rem) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { width: 1.5rem; transform: translateY(-0.25rem) rotate(-45deg); }

/* Menu plein écran mobile */
.menu {
  position: fixed; inset: 0; z-index: 150;
  background: rgba(26, 28, 30, 0.97);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  display: flex;
  align-items: center;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.45s ease, visibility 0s linear 0.45s;
}
.menu.is-open { visibility: visible; opacity: 1; transition-delay: 0s; }
body.menu-open { overflow: hidden; }
.menu-list { display: grid; gap: 0.25rem; width: 100%; }
.menu-link {
  display: flex; align-items: baseline; gap: 1.25rem;
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--f-display);
  font-size: clamp(1.75rem, 7vw, 2.625rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink-1);
  transform: translateY(1.5rem);
  opacity: 0;
  transition: transform 0.6s var(--ease-out), opacity 0.6s ease;
}
.menu.is-open .menu-link { transform: none; opacity: 1; }
.menu-link i { font-style: normal; font-family: var(--f-mono); font-size: 0.6875rem; color: var(--accent); letter-spacing: 0.1em; }
.menu-foot { margin-top: 2.5rem; display: flex; justify-content: space-between; align-items: center; }

/* Sous-listes du menu mobile (secteurs / produits) */
.menu-sub {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 1.5rem;
  padding: 0.875rem 0 1.125rem;
  border-bottom: 1px solid var(--line);
  transform: translateY(1.5rem);
  opacity: 0;
  transition: transform 0.6s var(--ease-out), opacity 0.6s ease;
}
.menu.is-open .menu-sub { transform: none; opacity: 1; }
.menu-sub a {
  display: flex;
  align-items: baseline;
  gap: 0.625rem;
  padding: 0.4375rem 0;
  font-size: 0.84375rem;
  color: var(--ink-2);
}
.menu-sub a i {
  font-style: normal;
  font-family: var(--f-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.08em;
  color: var(--accent);
}

/* ── 05. HERO ───────────────────────────────────────────────────────────── */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  isolation: isolate;
  background: var(--bg-0);
}

.hero-bg {
  position: absolute; inset: 0; z-index: -1;
  overflow: hidden;
}
.hero-bg img {
  width: 100%; height: 112%;
  object-fit: cover;
  filter: grayscale(0.78) saturate(0.8) contrast(1.08) brightness(0.62);
  transform-origin: center;
  will-change: transform;
}

/* Montage vidéo : un seul fichier assemblé, lecture automatique native.
   Version verticale dédiée sur mobile (bascule par media-query, pas de JS). */
.hero-loop {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 112%;
  object-fit: cover;
  filter: grayscale(0.78) saturate(0.8) contrast(1.08) brightness(0.62);
  transform-origin: center;
  will-change: transform;
}
.hero-loop--mobile { display: none; }
@media (max-width: 48rem), (orientation: portrait) {
  .hero-loop--desktop { display: none; }
  .hero-loop--mobile { display: block; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-loop { display: none; }
}
/* iOS Mode éco / autoplay refusé : masque le gros bouton ▶ natif.
   On voit alors une image fixe propre (le poster), et la vidéo démarre
   au premier toucher (cf. reprise au geste dans main.js). */
.hero-loop::-webkit-media-controls,
.hero-loop::-webkit-media-controls-start-playback-button,
.hero-loop::-webkit-media-controls-panel,
.hero-loop::-webkit-media-controls-overlay-play-button {
  display: none !important;
  -webkit-appearance: none;
  appearance: none;
}
.hero-bg::after {
  content: '';
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(26,28,30,0.62) 0%, rgba(26,28,30,0.18) 38%, rgba(26,28,30,0.55) 72%, var(--bg-1) 100%),
    radial-gradient(130% 100% at 50% 20%, transparent 50%, rgba(26,28,30,0.55) 100%);
}
.hero-bg .grid-veil {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(233,235,238,0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(233,235,238,0.035) 1px, transparent 1px);
  background-size: 12.5% 16.666%;
  mix-blend-mode: screen;
}

/* HUD : coins du viewport + coordonnées */
.hud {
  position: absolute;
  inset: clamp(4.75rem, 7vh, 6rem) clamp(1.25rem, 3vw, 2.25rem) clamp(1.25rem, 4vh, 2rem);
  pointer-events: none;
  z-index: 5;
}
.hud .corners i { width: 1.375rem; height: 1.375rem; opacity: 0.55; border-color: var(--ink-2); }
.hud-readout {
  position: absolute;
  top: 0.125rem; right: 0;
  display: grid;
  gap: 0.3125rem;
  justify-items: end;
  font-family: var(--f-mono);
  font-size: 0.59375rem;
  letter-spacing: 0.16em;
  color: rgba(233, 235, 238, 0.5);
  text-transform: uppercase;
}
.hud-readout .live { color: var(--accent); }

.hero-content {
  position: relative;
  z-index: 6;
  width: 100%;
  padding-bottom: clamp(6rem, 13vh, 9rem);
}
.hero-kicker { margin-bottom: 1.75rem; color: var(--ink-2); }
.hero-kicker::before { border-color: var(--accent); background: var(--accent-soft); }
.hero h1 { max-width: 11em; color: var(--ink-1); }
.hero h1 .accent-dot { color: var(--accent); }
.hero-sub {
  margin-top: 2rem;
  max-width: 36em;
}
.hero-actions {
  margin-top: 2.75rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem 2.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
  padding: 1rem 1.625rem;
  border: 1px solid var(--line-strong);
  font-family: var(--f-mono);
  font-size: 0.71875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-1);
  position: relative;
  overflow: hidden;
  transition: color 0.35s ease, border-color 0.35s ease;
}
.btn::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.45s var(--ease-out);
  z-index: -1;
}
.btn:hover { color: var(--bg-0); border-color: var(--accent); }
.btn:hover::before { transform: scaleX(1); transform-origin: left; }
.btn .arrow { transition: transform 0.35s var(--ease-out); }
.btn:hover .arrow { transform: translateX(0.25rem); }

.link-quiet {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--f-mono);
  font-size: 0.71875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
  transition: color 0.3s ease;
}
.link-quiet:hover { color: var(--accent); }

/* Indice de défilement */
.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: clamp(1.5rem, 4vh, 2.25rem);
  transform: translateX(-50%);
  z-index: 6;
  display: grid;
  justify-items: center;
  gap: 0.75rem;
  font-family: var(--f-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.scroll-cue .line {
  width: 1px; height: 3.5rem;
  background: linear-gradient(var(--accent), transparent);
  overflow: hidden;
  position: relative;
}
.scroll-cue .line::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(var(--bg-0), var(--accent));
  animation: cue-drop 2.2s var(--ease-out) infinite;
}
@keyframes cue-drop {
  0% { transform: translateY(-100%); }
  55%, 100% { transform: translateY(100%); }
}

/* ── 06. MANIFESTE ──────────────────────────────────────────────────────── */

.manifesto {
  position: relative;
  padding-block: var(--space-section);
  background: var(--bg-1);
}
.manifesto-text {
  font-family: var(--f-display);
  font-size: clamp(1.625rem, 3.4vw, 3rem);
  font-weight: 480;
  line-height: 1.28;
  letter-spacing: -0.018em;
  max-width: 26em;
  color: var(--ink-3);
}
.manifesto-text .w { transition: color 0.35s linear; }
.manifesto-text .w.is-lit { color: var(--ink-1); }
.manifesto-text .w.is-key.is-lit { color: var(--accent); }
.manifesto-note {
  margin-top: 3rem;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  max-width: 34em;
}
.manifesto-note .cross { position: relative; flex: none; margin-top: 0.4375rem; }
.manifesto-note p { font-size: 0.9375rem; color: var(--ink-2); }

/* Bandeau de compteurs */
.figures {
  margin-top: clamp(4rem, 9vh, 6.5rem);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11.5rem, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.figure {
  padding: 2.25rem clamp(1rem, 2.5vw, 2rem);
  display: grid;
  gap: 0.875rem;
  border-left: 1px solid var(--line);
}
.figure:first-child { border-left: 0; }
.figure-value {
  font-family: var(--f-mono);
  font-size: clamp(2.25rem, 4.4vw, 3.5rem);
  font-weight: 300;
  letter-spacing: -0.04em;
  color: var(--ink-1);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.figure-value sup {
  font-size: 0.4em;
  color: var(--accent);
  letter-spacing: 0;
  vertical-align: 0.9em;
}
.figure-label { max-width: 14em; }

/* ── 07. APPROCHE — 4 PILIERS ───────────────────────────────────────────── */

.approach { padding-bottom: var(--space-section); background: var(--bg-1); }

.pillars { border-top: 1px solid var(--line); }
.pillar {
  position: relative;
  display: grid;
  grid-template-columns: minmax(3.5rem, 7rem) 1fr minmax(0, 30rem) minmax(9.5rem, 13rem);
  gap: clamp(1.25rem, 3vw, 3.5rem);
  align-items: start;
  padding: clamp(2rem, 4.5vh, 3.25rem) 0;
  border-bottom: 1px solid var(--line);
}
.pillar-media { aspect-ratio: 4 / 3; }
.pillar-media img { transform: scale(1.1); }
span.bbox { pointer-events: none; }
.pillar-idx {
  font-family: var(--f-mono);
  font-size: 0.71875rem;
  letter-spacing: 0.14em;
  color: var(--ink-3);
  padding-top: 0.625rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.pillar-idx::after {
  content: '';
  width: 2rem; height: 1px;
  background: var(--accent-line);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s var(--ease-out) 0.15s;
}
.pillar.is-inview .pillar-idx::after { transform: scaleX(1); }
.pillar h3 { font-size: clamp(1.5rem, 2.6vw, 2.25rem); }
.pillar h3 small {
  display: block;
  margin-top: 0.5rem;
  font-family: var(--f-mono);
  font-size: 0.625rem;
  font-weight: 450;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}
.pillar p { color: var(--ink-2); font-size: 0.96875rem; }
.pillar .pillar-proof {
  margin-top: 1.125rem;
  font-family: var(--f-mono);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem;
}
.pillar .pillar-proof span::before { content: '— '; color: var(--accent); }

/* ── 08. SECTEURS ───────────────────────────────────────────────────────── */

.sectors-intro { padding-bottom: clamp(3rem, 7vh, 5rem); }

/* Une « séquence » : le traitement phare appliqué à chaque secteur.
   Ouverture plein écran (image + titre + vignettes) puis chapitres. */
.seq {
  position: relative;
  border-top: 1px solid var(--line);
  background: var(--bg-0);
}
.seq-opening {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: flex-end;
  min-height: 100svh;
  padding-block: clamp(5rem, 10vh, 7.5rem);
}
.sector-bg { position: absolute; inset: 0; z-index: -2; overflow: hidden; }
.sector-bg img {
  width: 100%; height: 114%;
  object-fit: cover;
  filter: grayscale(0.78) saturate(0.8) contrast(1.07) brightness(0.56);
  will-change: transform;
}
.sector-bg::after {
  content: '';
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(26,28,30,0.78) 0%, rgba(26,28,30,0.25) 30%, rgba(26,28,30,0.3) 55%, rgba(26,28,30,0.88) 100%),
    linear-gradient(90deg, rgba(26,28,30,0.55), transparent 45%);
}
.sector-grid-veil {
  position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(to right, rgba(233,235,238,0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(233,235,238,0.03) 1px, transparent 1px);
  background-size: 12.5% 20%;
  pointer-events: none;
}

.sector-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 24rem);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: end;
  width: 100%;
}

.sector-meta {
  display: grid;
  gap: 0.625rem;
  margin-bottom: 2rem;
}
.sector-meta .mono { display: flex; flex-wrap: wrap; gap: 0.375rem 0; }
.sector-meta .mono b { color: var(--ink-2); font-weight: 450; }
.sector-meta .mono span + span::before { content: '·'; margin-inline: 0.875em; color: var(--accent); }

.seq-title {
  font-size: clamp(2.75rem, 6.6vw, 6rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 0.98;
}
.sector-mission { margin-top: 1.75rem; }

/* Colonne droite : vignettes empilées avec parallaxe */
.sector-aside {
  display: grid;
  gap: 1.25rem;
  align-content: end;
}
.sector-aside .media { aspect-ratio: 4 / 3; }
.sector-aside .media.is-tall { aspect-ratio: 3 / 4; width: 72%; justify-self: end; }
.sector-aside .media img { transform: scale(1.12); will-change: transform; }

/* Repères mission en pied de secteur */
.sector-points {
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  max-width: 44rem;
}
.sector-points li {
  font-family: var(--f-mono);
  font-size: 0.65625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-2);
  display: flex; align-items: center; gap: 0.625rem;
}
.sector-points li::before {
  content: '';
  width: 0.3125rem; height: 0.3125rem;
  background: var(--accent);
  flex: none;
}

/* Chapitres de séquence */
.seq-body { position: relative; background: var(--bg-1); }

.seq-chapter {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1rem, 2.5vw, 2.5rem);
  align-items: center;
  padding-block: clamp(4.5rem, 11vh, 8rem);
}
.seq-chapter + .seq-chapter { border-top: 1px solid var(--line); }
.seq-chapter .ch-media { grid-column: 1 / 8; }
.seq-chapter .ch-text  { grid-column: 9 / 13; }
.seq-chapter:nth-child(even) .ch-media { grid-column: 6 / 13; order: 2; }
.seq-chapter:nth-child(even) .ch-text  { grid-column: 1 / 5; order: 1; }
.seq-chapter .media { aspect-ratio: 16 / 10; }
.seq-chapter .media img { transform: scale(1.1); }

/* Fin de séquence : bande ou planche contact */
.seq-tail { padding-bottom: clamp(4.5rem, 11vh, 8rem); }

/* Planche contact : rangée de vignettes en fin de séquence */
.seq-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: clamp(0.875rem, 1.6vw, 1.5rem);
  padding-bottom: clamp(4.5rem, 11vh, 8rem);
}
.seq-strip .media { aspect-ratio: 4 / 3; }
.seq-strip .media img { transform: scale(1.08); }
.media.is-band { aspect-ratio: 21 / 8; }
.media.is-band img { transform: scale(1.06); }
.ch-text h3 { font-size: clamp(1.625rem, 2.8vw, 2.5rem); margin: 1.125rem 0 1rem; }
.ch-text .mono-list { margin-top: 1.5rem; display: grid; gap: 0.625rem; }
.ch-text .mono-list li {
  font-family: var(--f-mono);
  font-size: 0.65625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-2);
  padding-left: 1.125rem;
  position: relative;
}
.ch-text .mono-list li::before {
  content: '+';
  position: absolute; left: 0;
  color: var(--accent);
}

/* Barre d'avancement scrubbée (preuve d'avancement) */
.progress-proof {
  margin-top: 1.75rem;
  display: grid;
  gap: 0.625rem;
}
.progress-proof .track {
  height: 1px;
  background: var(--line-strong);
  position: relative;
}
.progress-proof .fill {
  position: absolute; inset: 0;
  background: var(--accent);
  transform-origin: left;
  transform: scaleX(0);
}
.progress-proof .readout {
  display: flex;
  justify-content: space-between;
  font-family: var(--f-mono);
  font-size: 0.59375rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.progress-proof .readout .val { color: var(--accent); font-variant-numeric: tabular-nums; }

/* Cas types — chiffres dispositif */
.seq-cases {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
}
.seq-case {
  padding: clamp(2.25rem, 5vh, 3.5rem) clamp(1.25rem, 3vw, 3rem);
  display: grid;
  gap: 1.375rem;
  border-left: 1px solid var(--line);
}
.seq-case:first-child { border-left: 0; }
.seq-case h4 {
  font-family: var(--f-display);
  font-size: 1.1875rem;
  font-weight: 500;
}
.seq-case .specs {
  display: flex; flex-wrap: wrap;
  gap: 1.75rem;
}
.seq-case .spec { display: grid; gap: 0.25rem; }
.seq-case .spec b {
  font-family: var(--f-mono);
  font-weight: 400;
  font-size: 2rem;
  letter-spacing: -0.02em;
  color: var(--ink-1);
  font-variant-numeric: tabular-nums;
}
.seq-case .spec b i { font-style: normal; color: var(--accent); font-size: 0.7em; }
.seq-case .spec span {
  font-family: var(--f-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.seq-case p { font-size: 0.875rem; color: var(--ink-2); max-width: 30em; }

/* ── 09. SECTIONS FINALES ───────────────────────────────────────────────── */

/* Différenciation */
.versus { background: var(--bg-1); padding-bottom: var(--space-section); }
.versus-table {
  border: 1px solid var(--line);
  border-bottom: 0;
}
.versus-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--line);
}
.versus-row.is-head .cell {
  font-family: var(--f-mono);
  font-size: 0.65625rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding-block: 1.125rem;
}
.versus-row.is-head .cell:first-child { color: var(--accent); }
.versus .cell {
  padding: 1.5rem clamp(1.25rem, 2.5vw, 2.25rem);
  font-size: 0.96875rem;
}
.versus .cell:first-child {
  border-right: 1px solid var(--line);
  color: var(--ink-1);
  position: relative;
}
.versus .cell:first-child::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 1px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.7s var(--ease-out);
}
.versus-row.is-inview .cell:first-child::before { transform: scaleY(1); }
.versus .cell:last-child { color: var(--ink-3); }
.versus .cell small {
  display: block;
  margin-top: 0.375rem;
  font-family: var(--f-mono);
  font-size: 0.59375rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.versus .cell:first-child small { color: var(--accent); }

/* International */
.world {
  position: relative;
  isolation: isolate;
  background: var(--bg-0);
  border-top: 1px solid var(--line);
  padding-block: var(--space-section);
  overflow: clip;
}
.world-bg { position: absolute; inset: 0; z-index: -1; }
.world-bg img {
  width: 100%; height: 115%;
  object-fit: cover;
  opacity: 0.5;
  filter: grayscale(0.55) saturate(0.9) contrast(1.05) brightness(0.5);
}
.world-bg::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, var(--bg-1), rgba(26,28,30,0.42) 30%, rgba(26,28,30,0.5) 70%, var(--bg-1));
}
.world-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 26rem);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}
.timeline { border-top: 1px solid var(--line-strong); }
.timeline li {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 1.5rem;
  padding: 1.375rem 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.timeline .year {
  font-family: var(--f-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.timeline p { font-size: 0.9375rem; color: var(--ink-2); }
.timeline p strong { color: var(--ink-1); font-weight: 500; }

/* Équipe */
.team { background: var(--bg-1); padding-bottom: var(--space-section); }
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 22rem));
  gap: clamp(1.5rem, 3vw, 2.5rem);
}
.member { display: grid; gap: 1.125rem; }
.member .media { aspect-ratio: 4 / 5; }
.member .media img { filter: grayscale(1) contrast(1.06) brightness(0.86); }
.member figcaption { display: grid; gap: 0.25rem; }
.member .name {
  font-family: var(--f-display);
  font-size: 1.1875rem;
  font-weight: 500;
}
.member .role {
  font-family: var(--f-mono);
  font-size: 0.625rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

/* FAQ */
.faq { background: var(--bg-1); padding-bottom: var(--space-section); }
.faq-list { border-top: 1px solid var(--line); max-width: 56rem; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  list-style: none;
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  padding: 1.625rem 0;
  cursor: pointer;
  transition: color 0.3s ease;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .idx {
  font-family: var(--f-mono);
  font-size: 0.65625rem;
  letter-spacing: 0.1em;
  color: var(--ink-3);
  flex: none;
  width: 2rem;
}
.faq-item summary h3 {
  font-family: var(--f-display);
  font-size: clamp(1.0625rem, 1.7vw, 1.375rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  flex: 1;
}
.faq-item summary .plus {
  flex: none;
  position: relative;
  width: 0.8125rem; height: 0.8125rem;
  margin-left: auto;
  align-self: center;
}
.faq-item summary .plus::before,
.faq-item summary .plus::after {
  content: '';
  position: absolute;
  background: var(--ink-2);
  transition: transform 0.4s var(--ease-out), background-color 0.3s;
}
.faq-item summary .plus::before { left: 50%; top: 0; width: 1px; height: 100%; }
.faq-item summary .plus::after { top: 50%; left: 0; width: 100%; height: 1px; }
.faq-item[open] summary .plus::before { transform: rotate(90deg); }
.faq-item[open] summary .plus { --c: var(--accent); }
.faq-item[open] summary .plus::before, .faq-item[open] summary .plus::after { background: var(--accent); }
.faq-item summary:hover h3 { color: var(--accent); }
.faq-answer {
  padding: 0 0 1.75rem 3.5rem;
  max-width: 46em;
  color: var(--ink-2);
  font-size: 0.9375rem;
}
.faq-answer a { color: var(--accent); }

/* Contact / footer */
.contact {
  position: relative;
  background: var(--bg-0);
  border-top: 1px solid var(--line);
  padding-top: var(--space-section);
  isolation: isolate;
  overflow: clip;
}
.contact-head { display: grid; gap: 2rem; padding-bottom: clamp(4rem, 9vh, 7rem); }
.contact-mail {
  font-family: var(--f-display);
  font-size: clamp(1.875rem, 5.4vw, 4.5rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  display: inline-flex;
  align-items: center;
  gap: 1.5rem;
  width: fit-content;
  position: relative;
}
.contact-mail::after {
  content: '';
  position: absolute;
  left: 0; bottom: -0.375rem;
  width: 100%; height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.5s var(--ease-out);
}
.contact-mail:hover::after { transform: scaleX(1); transform-origin: left; }
.contact-mail .arrow { color: var(--accent); font-family: var(--f-mono); font-weight: 300; }
.contact-meta {
  display: flex; flex-wrap: wrap;
  gap: 0.75rem 2.5rem;
}

.footer {
  border-top: 1px solid var(--line);
  padding-block: 2.5rem;
}
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem 3rem;
}
.footer-logo img { height: 1.375rem; filter: invert(1); opacity: 0.95; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 0.5rem 1.75rem; }
.footer-nav a {
  font-family: var(--f-mono);
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  transition: color 0.3s;
}
.footer-nav a:hover { color: var(--ink-1); }
.footer-line {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 2rem;
}
.footer-line .mono { letter-spacing: 0.1em; text-transform: none; }

/* ── 10. CURSEUR, PRELOADER, PROGRESSION ────────────────────────────────── */

.cursor, .cursor-ring { display: none; }
@media (pointer: fine) {
  .cursor {
    display: block;
    position: fixed;
    top: 0; left: 0;
    z-index: 600; /* au-dessus de toutes les surcouches (modales incluses) */
    width: 0.3125rem; height: 0.3125rem;
    margin: -0.15625rem 0 0 -0.15625rem;
    background: var(--accent);
    border-radius: 50%;
    pointer-events: none;
  }
  .cursor-ring {
    display: block;
    position: fixed;
    top: 0; left: 0;
    z-index: 599;
    width: 2.25rem; height: 2.25rem;
    margin: -1.125rem 0 0 -1.125rem;
    pointer-events: none;
  }
  .cursor-ring i {
    position: absolute;
    width: 0.375rem; height: 0.375rem;
    border: 0 solid rgba(233, 235, 238, 0.55);
    transition: inset 0.3s var(--ease-out), border-color 0.3s, opacity 0.3s;
    opacity: 0.55;
  }
  .cursor-ring i:nth-child(1) { top: 0;    left: 0;   border-top-width: 1px;    border-left-width: 1px; }
  .cursor-ring i:nth-child(2) { top: 0;    right: 0;  border-top-width: 1px;    border-right-width: 1px; }
  .cursor-ring i:nth-child(3) { bottom: 0; left: 0;   border-bottom-width: 1px; border-left-width: 1px; }
  .cursor-ring i:nth-child(4) { bottom: 0; right: 0;  border-bottom-width: 1px; border-right-width: 1px; }
  .cursor-ring.is-hover i { inset-block: -0.3125rem; border-color: var(--accent); opacity: 1; }
  body.has-cursor, body.has-cursor a, body.has-cursor button, body.has-cursor summary { cursor: none; }
}

/* Preloader — logo géant + indicateur de chargement blanc */
.loader {
  position: fixed; inset: 0; z-index: 500;
  background: var(--bg-0);
  display: grid;
  place-items: center;
  gap: clamp(1.75rem, 4vh, 2.75rem);
  transition: opacity 0.6s ease, visibility 0s linear 0.6s;
}
.loader.is-done { opacity: 0; visibility: hidden; }
.loader-logo {
  width: clamp(13rem, 52vw, 30rem);
  height: auto;
  filter: invert(1) brightness(1.05);
}
.loader-bar {
  width: clamp(7rem, 22vw, 11rem);
  height: 2px;
  background: rgba(233, 235, 238, 0.16);
  overflow: hidden;
  border-radius: 2px;
}
.loader-bar-fill {
  display: block;
  width: 0%;
  height: 100%;
  background: #fff;
  border-radius: 2px;
  transition: width 0.18s linear;
}

/* Progression de lecture (bord droit) + index de section */
.read-progress {
  position: fixed;
  top: 0; right: 0;
  width: 2px; height: 100vh;
  z-index: 210;
  pointer-events: none;
}
.read-progress i {
  position: absolute; inset: 0;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  opacity: 0.8;
}
.section-index {
  position: fixed;
  right: clamp(0.875rem, 2vw, 1.75rem);
  bottom: 1.5rem;
  z-index: 210;
  font-family: var(--f-mono);
  font-size: 0.59375rem;
  letter-spacing: 0.2em;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
  pointer-events: none;
}
.section-index b { color: var(--accent); font-weight: 500; }

/* Apparitions au scroll : état initial posé en CSS si JS actif */
html.js [data-reveal] { opacity: 0; transform: translateY(1.75rem); }
html.js [data-reveal="left"] { transform: translateX(-1.75rem); }
html.js .hero [data-reveal] { transform: translateY(2.5rem); }

/* ── 11. RESPONSIVE ─────────────────────────────────────────────────────── */

@media (max-width: 64rem) {
  .seq-chapter .ch-media,
  .seq-chapter:nth-child(even) .ch-media { grid-column: 1 / 13; order: 1; }
  .seq-chapter .ch-text,
  .seq-chapter:nth-child(even) .ch-text { grid-column: 1 / 13; order: 2; }
  .sector-inner { grid-template-columns: 1fr; align-items: end; }
  .sector-aside { grid-template-columns: 1fr 1fr; align-items: end; }
  .sector-aside .media.is-tall { width: 100%; }
  .world-grid { grid-template-columns: 1fr; }
  .pillar { grid-template-columns: 3.5rem 1fr; }
  .pillar > p, .pillar-body { grid-column: 2; }
  .pillar-media { grid-column: 2; width: min(100%, 22rem); }
}

@media (max-width: 48rem) {
  :root { --nav-h: 4rem; }
  .nav-links, .nav .lang, .nav-cta { display: none; }
  .nav-burger { display: flex; }
  .nav-logo img { height: 1.25rem; }
  .seq-cases { grid-template-columns: 1fr; }
  .seq-case { border-left: 0; border-top: 1px solid var(--line); }
  .seq-case:first-child { border-top: 0; }
  .versus-row { grid-template-columns: 1fr; }
  .versus .cell:first-child { border-right: 0; border-bottom: 1px dashed var(--line); }
  .faq-answer { padding-left: 0; }
  .hud { inset: 4.5rem 1rem 1rem; }
  .hud-readout span:nth-child(3) { display: none; }
  .figures { grid-template-columns: 1fr 1fr; }
  .figure { border-left: 0; border-top: 1px solid var(--line); }
  .figure:nth-child(-n+2) { border-top: 0; }
  .figure:nth-child(even) { border-left: 1px solid var(--line); }

  /* Vignettes d'ouverture : pellicule horizontale à défilement magnétique,
     débordant des marges — jamais un simple empilement vertical. */
  .sector-aside {
    display: flex;
    gap: 0.875rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    margin-inline: calc(var(--gutter) * -1);
    padding-inline: var(--gutter);
    padding-bottom: 0.375rem;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .sector-aside::-webkit-scrollbar { display: none; }
  .sector-aside .media {
    flex: 0 0 76%;
    scroll-snap-align: center;
    aspect-ratio: 4 / 3;
  }
  .sector-aside .media.is-tall {
    flex: 0 0 58%;
    width: auto;
    aspect-ratio: 3 / 4;
  }

  /* Planche contact : même pellicule horizontale */
  .seq-strip {
    display: flex;
    gap: 0.875rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    margin-inline: calc(var(--gutter) * -1);
    padding-inline: var(--gutter);
    scrollbar-width: none;
  }
  .seq-strip::-webkit-scrollbar { display: none; }
  .seq-strip .media { flex: 0 0 76%; scroll-snap-align: center; }

  /* Chapitres : l'image en pleine largeur d'écran, bord à bord */
  .seq-chapter .ch-media { margin-inline: calc(var(--gutter) * -1); }
  .seq-chapter .ch-media .progress-proof { padding-inline: var(--gutter); }
  .seq-chapter .media { aspect-ratio: 4 / 3; }
  .media.is-band { aspect-ratio: 16 / 10; }
  .seq-tail .media.is-band { margin-inline: calc(var(--gutter) * -1); }
}

/* Mode capture statique (?static=1) : hauteurs indépendantes du viewport */
html.static-capture .hero,
html.static-capture .seq-opening { min-height: 56.25rem; }
html.static-capture [data-reveal],
html.static-capture .bbox { opacity: 1 !important; transform: none !important; }

/* Reduced motion : tout est lisible sans animation */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html.js [data-reveal] { opacity: 1; transform: none; }
  .scroll-cue .line::after { animation: none; }
}