@font-face { font-family: "Barlow Condensed"; src: url("../fonts/barlow-condensed-700.woff2") format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Barlow Condensed"; src: url("../fonts/barlow-condensed-600.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Barlow"; src: url("../fonts/barlow-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Barlow"; src: url("../fonts/barlow-500.woff2") format("woff2"); font-weight: 500; font-display: swap; }

:root {
  --nuit: #000;
  --nuit-douce: #0a0a0a;
  --blanc: #fff;
  --blanc-froid: #f0f0fa;
  --gris: #9a9aa2;
  --trait: #3a3a3f;
  --marque: #0081c9;
  --titre: "Barlow Condensed", "Arial Narrow", Arial, sans-serif;
  --texte: "Barlow", Arial, Verdana, sans-serif;
  --gouttiere: clamp(16px, 4vw, 48px);
  --colonne: 1200px;
  --transition: 0.33s cubic-bezier(0.5, 0, 0, 0.75);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--nuit); color: var(--blanc); font: 400 1rem/1.6 var(--texte); letter-spacing: 0.02em; overflow-x: hidden; }
img, video, canvas { display: block; max-width: 100%; }
a { color: inherit; }
p { margin: 0 0 1em; }
h1, h2, h3 { margin: 0; font-weight: 700; }

.visuellement-cache { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.evitement { position: absolute; left: var(--gouttiere); top: -100px; z-index: 100; padding: 12px 18px; background: var(--blanc); color: var(--nuit); }
.evitement:focus { top: 12px; }
:focus-visible { outline: 2px solid var(--blanc); outline-offset: 3px; }

/* ── Typographie ── */
.titre-xxl, .titre-xl, .titre-lg, .titre-md, .micro, .pill, .menu a, .marque { font-family: var(--titre); text-transform: uppercase; }
.titre-xxl { font-size: clamp(2.5rem, 7vw, 5.5rem); line-height: 0.95; letter-spacing: 0.02em; max-width: 14ch; text-wrap: balance; }
.titre-xl { font-size: clamp(2.2rem, 5vw, 3.75rem); line-height: 1; letter-spacing: 0.02em; max-width: 16ch; text-wrap: balance; }
.titre-lg { font-size: clamp(1.9rem, 3.6vw, 3rem); line-height: 1.05; letter-spacing: 0.02em; max-width: 22ch; text-wrap: balance; margin-bottom: clamp(32px, 5vw, 64px); }
.titre-md { font-size: 1.5rem; line-height: 1.1; letter-spacing: 0.04em; margin-bottom: 12px; }
.micro { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.16em; color: var(--blanc-froid); margin-bottom: 18px; }
.micro .numero { display: inline-block; min-width: 3.2em; color: var(--gris); }
.chapo { font-size: clamp(1.05rem, 1.4vw, 1.2rem); line-height: 1.6; max-width: 46ch; color: var(--blanc-froid); margin: 20px 0 32px; }
.colonne { width: min(100% - 2 * var(--gouttiere), var(--colonne)); margin-inline: auto; }

/* ── Bouton fantôme ── */
.pill { display: inline-flex; align-items: center; gap: 12px; padding: 18px 26px; border: 1px solid var(--blanc); border-radius: 32px; background: transparent; color: var(--blanc); font-size: 0.85rem; font-weight: 700; letter-spacing: 0.14em; text-decoration: none; cursor: pointer; transition: background var(--transition), color var(--transition); }
.pill svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.6; transition: transform var(--transition); }
.pill:hover { background: var(--blanc); color: var(--nuit); }
.pill:hover svg { transform: translateX(3px); }
.pill-petit { padding: 11px 20px; font-size: 0.78rem; }

/* ── Marque ── */
.marque { display: inline-flex; align-items: baseline; font-size: 1.6rem; font-weight: 700; letter-spacing: 0.06em; text-decoration: none; line-height: 1; }
.marque sup { font-size: 0.5em; vertical-align: 0.9em; margin-right: 1px; }
.marque-d { color: var(--marque); }
.marque-31 { margin-left: 8px; padding: 3px 7px 1px; background: var(--marque); border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%; }

/* ── En-tête ── */
.entete { position: fixed; inset: 0 0 auto; z-index: 50; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 22px var(--gouttiere); transition: background var(--transition); }
.entete.defile { background: rgba(0, 0, 0, 0.92); padding-block: 14px; }
.menu { display: flex; align-items: center; gap: clamp(16px, 2.4vw, 36px); }
.menu ul { display: flex; gap: clamp(14px, 2vw, 30px); margin: 0; padding: 0; list-style: none; }
.menu a:not(.pill) { font-size: 0.82rem; font-weight: 600; letter-spacing: 0.14em; text-decoration: none; padding-block: 6px; border-bottom: 1px solid transparent; transition: border-color var(--transition); }
.menu a:not(.pill):hover, .menu a[aria-current="page"] { border-bottom-color: var(--blanc); }
.menu-bouton { display: none; }

@media (max-width: 1080px) {
  .menu-bouton { display: grid; gap: 7px; width: 44px; height: 44px; place-content: center; background: none; border: 0; cursor: pointer; }
  .menu-bouton i { display: block; width: 26px; height: 2px; background: var(--blanc); transition: transform var(--transition); }
  .menu-bouton[aria-expanded="true"] i:first-of-type { transform: translateY(4.5px) rotate(45deg); }
  .menu-bouton[aria-expanded="true"] i:last-of-type { transform: translateY(-4.5px) rotate(-45deg); }
  .menu { position: fixed; inset: 0; z-index: -1; flex-direction: column; align-items: flex-start; justify-content: center; gap: 40px; padding: 0 var(--gouttiere); background: var(--nuit); opacity: 0; visibility: hidden; transition: opacity var(--transition), visibility var(--transition); }
  .menu.ouvert { opacity: 1; visibility: visible; }
  .menu ul { flex-direction: column; gap: 18px; }
  .menu a:not(.pill) { font-size: 1.9rem; font-weight: 700; letter-spacing: 0.06em; }
}

/* ── Héros ── */
.heros { position: relative; min-height: 100svh; display: flex; align-items: flex-end; padding-bottom: clamp(72px, 12vh, 140px); overflow: hidden; }
.heros-media, .heros .scene3d { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.heros-media { filter: brightness(0.72) contrast(1.05); }
.heros-texte { position: relative; z-index: 2; }
.heros-texte .chapo { text-shadow: 0 1px 12px rgba(0, 0, 0, 0.45); }
.heros-texte .titre-xxl { text-shadow: 0 2px 24px rgba(0, 0, 0, 0.35); }
.legende { position: absolute; right: var(--gouttiere); bottom: 22px; z-index: 2; margin: 0; max-width: 42ch; font-size: 0.78rem; letter-spacing: 0.04em; color: var(--blanc-froid); opacity: 0.8; text-align: right; }

/* ── Bandes photo plein cadre ── */
.bande { position: relative; min-height: 100svh; display: flex; align-items: center; overflow: hidden; }
.bande-media, .bande > .scene3d { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.bande-media { filter: brightness(0.62); }
.bande-texte-sur { position: relative; z-index: 2; }
.bande-texte-sur .chapo { text-shadow: 0 1px 12px rgba(0, 0, 0, 0.5); }
.bande:nth-of-type(even) .bande-texte-sur { display: flex; flex-direction: column; align-items: flex-end; text-align: right; }
.bande:nth-of-type(even) .chapo { margin-left: auto; }

/* ── Bandes de texte ── */
.bande-texte { padding: clamp(96px, 14vw, 180px) 0; background: var(--nuit); }
.bande-douce { background: var(--nuit-douce); border-block: 1px solid #1a1a1d; }
.faits { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--trait); }
.faits li { padding: 28px 24px 0 0; }
.faits li + li { padding-left: 24px; border-left: 1px solid var(--trait); }
.faits strong { display: block; font: 700 clamp(2.6rem, 5vw, 4.2rem)/1 var(--titre); letter-spacing: 0.02em; margin-bottom: 14px; }
.faits span { display: block; color: var(--blanc-froid); font-size: 0.95rem; max-width: 30ch; }
.deux-colonnes { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 96px); }
.deux-colonnes p { color: var(--blanc-froid); max-width: 48ch; }
.deux-colonnes .pill { margin-top: 12px; }
.ecosysteme article { padding-top: 28px; border-top: 1px solid var(--trait); }
.liste-titree { margin: 0; border-top: 1px solid var(--trait); }
.liste-titree div { display: grid; grid-template-columns: minmax(200px, 1fr) 2fr; gap: 24px; padding: 26px 0; border-bottom: 1px solid var(--trait); }
.liste-titree dt { font: 700 1.3rem/1.2 var(--titre); text-transform: uppercase; letter-spacing: 0.06em; }
.liste-titree dd { margin: 0; color: var(--blanc-froid); max-width: 60ch; }
.recit { columns: 2; column-gap: clamp(32px, 6vw, 96px); }
.recit p { margin: 0 0 1.3em; color: var(--blanc-froid); font-size: 1.05rem; line-height: 1.7; break-inside: avoid; }
.recit a { text-underline-offset: 3px; }
.insecable { white-space: nowrap; }
.citation { margin: 0; max-width: 46ch; padding-left: clamp(20px, 3vw, 40px); border-left: 2px solid var(--marque); font-size: clamp(1.2rem, 2vw, 1.55rem); line-height: 1.5; }
.citation footer { margin-top: 28px; font: 600 0.8rem var(--titre); text-transform: uppercase; letter-spacing: 0.16em; color: var(--gris); }
.noms { font: 600 clamp(1.3rem, 2.6vw, 2rem)/1.5 var(--titre); text-transform: uppercase; letter-spacing: 0.06em; color: var(--blanc-froid); max-width: 60ch; }
.noms-secondaires { margin-top: 28px; font-size: clamp(1rem, 1.8vw, 1.3rem); color: var(--gris); }

.etapes, .chronologie { margin: 0; padding: 0; list-style: none; counter-reset: etape; }
.etapes { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--trait); }
.etapes li { counter-increment: etape; padding: 28px 24px 32px 0; border-bottom: 1px solid var(--trait); }
.etapes li::before { content: "0" counter(etape); display: block; font: 600 0.8rem var(--titre); letter-spacing: 0.16em; color: var(--gris); margin-bottom: 14px; }
.etapes strong { display: block; font: 700 1.5rem/1.1 var(--titre); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 8px; }
.etapes span { color: var(--blanc-froid); }
.chronologie li { display: grid; grid-template-columns: minmax(180px, 1fr) 3fr; gap: 24px; padding: 28px 0; border-top: 1px solid var(--trait); }
.chronologie strong { font: 700 clamp(1.4rem, 2.4vw, 2rem)/1.1 var(--titre); text-transform: uppercase; letter-spacing: 0.04em; }
.chronologie p { margin: 0; color: var(--blanc-froid); max-width: 62ch; }

/* ── Mosaïque et films ── */
.mosaique { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; background: var(--nuit); }
.mosaique figure { position: relative; margin: 0; aspect-ratio: 16 / 10; overflow: hidden; }
.mosaique img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s cubic-bezier(0.2, 0, 0, 1); }
.mosaique figure:hover img { transform: scale(1.04); }
.mosaique .legende { left: 20px; right: auto; bottom: 16px; text-align: left; }
.films { padding: clamp(96px, 14vw, 180px) 0; }
.film { display: grid; grid-template-columns: 3fr 2fr; align-items: center; gap: clamp(24px, 4vw, 64px); width: min(100% - 2 * var(--gouttiere), 1400px); margin: 0 auto clamp(64px, 9vw, 120px); }
.film:nth-of-type(even) { grid-template-columns: 2fr 3fr; }
.film:nth-of-type(even) img { order: 2; }
.film img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 4px; }
.film p:not(.micro) { color: var(--blanc-froid); max-width: 42ch; }

/* ── Scène 3D (gaussian splatting) ── */
.scene3d { margin: 0; background: #020304; overflow: hidden; }
.scene3d-photo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: brightness(0.6); transition: opacity 0.8s ease; }
.scene3d-rendu { position: absolute; inset: 0; opacity: 0; transition: opacity 1.2s ease; cursor: grab; }
.scene3d-rendu:active { cursor: grabbing; }
.scene3d-rendu canvas { width: 100% !important; height: 100% !important; }
.scene3d[data-charge="pret"] .scene3d-rendu { opacity: 1; }
.scene3d[data-charge="pret"] .scene3d-photo { opacity: 0; }
.scene3d[data-mode="photo"] .scene3d-rendu { opacity: 0; pointer-events: none; }
.scene3d[data-mode="photo"] .scene3d-photo { opacity: 1; }
.scene3d-controles { position: absolute; top: 96px; right: var(--gouttiere); z-index: 3; display: flex; border: 1px solid var(--blanc); border-radius: 32px; overflow: hidden; }
.scene3d-controles button { padding: 10px 18px; border: 0; background: transparent; color: var(--blanc); font: 700 0.75rem var(--titre); letter-spacing: 0.14em; text-transform: uppercase; cursor: pointer; transition: background var(--transition), color var(--transition); }
.scene3d-controles button[aria-pressed="true"] { background: var(--blanc); color: var(--nuit); }
.heros-3d .heros-texte { pointer-events: none; }
.heros-3d .heros-texte .pill { pointer-events: auto; }
.bande > .scene3d .legende { bottom: 22px; }
@media (max-width: 900px) { .bande > .scene3d .scene3d-rendu { pointer-events: none; } }

/* ── Lecteur de suivi ── */
.suivi { padding: clamp(96px, 14vw, 180px) 0 clamp(64px, 8vw, 96px); }
.suivi .titre-lg { margin-bottom: 0; }
.suivi-ecran { position: relative; width: min(100% - 2 * var(--gouttiere), 1400px); margin: clamp(40px, 5vw, 64px) auto 0; aspect-ratio: 4 / 3; max-height: 78vh; overflow: hidden; border-radius: 4px; background: var(--nuit-douce); }
.suivi-ecran img { width: 100%; height: 100%; object-fit: cover; }
.suivi-date { position: absolute; left: 20px; bottom: 16px; margin: 0; font: 700 1.1rem var(--titre); letter-spacing: 0.14em; text-transform: uppercase; }
.suivi-rangee { display: grid; grid-template-columns: repeat(16, 1fr); gap: 4px; width: min(100% - 2 * var(--gouttiere), 1400px); margin: 12px auto 0; }
.suivi-rangee button { position: relative; height: 44px; border: 1px solid var(--trait); border-radius: 2px; background: var(--nuit-douce); color: var(--gris); font: 600 0.8rem var(--titre); letter-spacing: 0.1em; cursor: pointer; transition: background var(--transition), color var(--transition), border-color var(--transition); }
.suivi-rangee button:hover { border-color: var(--blanc); color: var(--blanc); }
.suivi-rangee button[aria-pressed="true"] { background: var(--blanc); border-color: var(--blanc); color: var(--nuit); }
.suivi-rangee button.passe { border-color: #5a5a60; color: var(--blanc-froid); }
.legende-bas { position: static; width: min(100% - 2 * var(--gouttiere), 1400px); margin: 16px auto 0; text-align: left; max-width: none; }

/* ── FAQ ── */
.faq details { border-top: 1px solid var(--trait); }
.faq details:last-of-type { border-bottom: 1px solid var(--trait); }
.faq summary { display: flex; justify-content: space-between; gap: 24px; padding: 26px 0; font: 700 clamp(1.15rem, 2vw, 1.5rem)/1.25 var(--titre); text-transform: uppercase; letter-spacing: 0.04em; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-weight: 600; transition: transform var(--transition); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0 0 28px; color: var(--blanc-froid); max-width: 68ch; }

/* ── Appel et contact ── */
.bande-appel { padding: clamp(110px, 16vw, 200px) 0; border-top: 1px solid #1a1a1d; text-align: center; }
.bande-appel .colonne { display: flex; flex-direction: column; align-items: center; }
.bande-appel .chapo { margin-inline: auto; }
.contact { padding: clamp(140px, 18vw, 200px) 0 clamp(96px, 12vw, 140px); }
.formulaire { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 28px; margin-top: 48px; max-width: 900px; }
.formulaire label { display: flex; flex-direction: column; gap: 8px; font: 600 0.8rem var(--titre); letter-spacing: 0.14em; text-transform: uppercase; }
.formulaire .large { grid-column: 1 / -1; }
.formulaire input, .formulaire select, .formulaire textarea { min-height: 48px; padding: 12px 16px; border: 1px solid var(--trait); border-radius: 4px; background: var(--nuit-douce); color: var(--blanc); font: 400 1rem var(--texte); letter-spacing: 0.01em; text-transform: none; }
.formulaire input:focus, .formulaire select:focus, .formulaire textarea:focus { border-color: var(--blanc); outline: none; }
.formulaire .pill { justify-self: start; }
.note { margin-top: 32px; color: var(--gris); }
.actualites { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; margin: 0 0 48px; }
.actualites .note { grid-column: 1 / -1; margin: 0; }
.actu { position: relative; display: block; aspect-ratio: 4 / 5; overflow: hidden; background: var(--nuit-douce); text-decoration: none; }
.actu img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s cubic-bezier(0.2, 0, 0, 1); }
.actu:hover img { transform: scale(1.04); }
.actu-legende { position: absolute; inset: auto 0 0 0; padding: 48px 20px 18px; background: linear-gradient(0deg, rgba(0, 0, 0, 0.82), rgba(0, 0, 0, 0)); }
.actu-legende .micro { margin-bottom: 6px; }
.actu-texte { margin: 0; color: var(--blanc-froid); font-size: 0.95rem; line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.contact-telephones { font-size: clamp(1.1rem, 1.6vw, 1.35rem); margin: 0 0 40px; }
.contact-telephones a, .note a, .pied a[href^="tel:"] { white-space: nowrap; }

/* ── Pied ── */
.pied { padding: 80px var(--gouttiere) 32px; border-top: 1px solid #1a1a1d; font-size: 0.9rem; }
.pied-grille { display: grid; grid-template-columns: 1.6fr repeat(4, 1fr); gap: 40px; max-width: var(--colonne); margin: 0 auto; }
.pied-marque p { color: var(--gris); max-width: 36ch; margin-top: 20px; }
.pied ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.pied a { text-decoration: none; color: var(--blanc-froid); }
.pied a:hover { color: var(--blanc); text-decoration: underline; }
.pied h2 { margin-bottom: 16px; color: var(--gris); }
.pied-legal { max-width: var(--colonne); margin: 64px auto 0; padding-top: 24px; border-top: 1px solid #1a1a1d; color: var(--gris); font-size: 0.8rem; }

/* ── Petits écrans ── */
@media (max-width: 900px) {
  .recit { columns: 1; }
  .actualites { grid-template-columns: 1fr 1fr; }
  .faits { grid-template-columns: 1fr 1fr; }
  .faits li:nth-child(3) { padding-left: 0; border-left: 0; }
  .faits li { padding-bottom: 28px; }
  .deux-colonnes, .film, .film:nth-of-type(even), .formulaire { grid-template-columns: 1fr; }
  .film:nth-of-type(even) img { order: 0; }
  .etapes { grid-template-columns: 1fr 1fr; }
  .liste-titree div, .chronologie li { grid-template-columns: 1fr; gap: 8px; }
  .mosaique { grid-template-columns: 1fr; }
  .pied-grille { grid-template-columns: 1fr 1fr; }
  .pied-marque { grid-column: 1 / -1; }
  .suivi-rangee { grid-template-columns: repeat(8, 1fr); }
  .bande:nth-of-type(even) .bande-texte-sur { align-items: flex-start; text-align: left; }
  .bande:nth-of-type(even) .chapo { margin-left: 0; }
  .legende { left: var(--gouttiere); text-align: left; bottom: 16px; font-size: 0.78rem; }
  .heros { padding-bottom: 96px; }
  .heros-3d { padding-bottom: 150px; }
  .scene3d-controles { top: 84px; }
}
@media (max-width: 560px) {
  .faits { grid-template-columns: 1fr; }
  .faits li, .faits li + li { padding-left: 0; border-left: 0; border-bottom: 1px solid var(--trait); }
  .etapes { grid-template-columns: 1fr; }
  .marque { font-size: 1.35rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}

/* La scène 3D est une image vivante et claire : on l'assombrit du côté du texte, comme on étalonnerait une photo. */
.heros-3d .scene3d::after, .bande > .scene3d::after { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none; background: linear-gradient(90deg, rgba(0, 0, 0, 0.72) 0%, rgba(0, 0, 0, 0.45) 38%, rgba(0, 0, 0, 0) 62%); }
.bande:nth-of-type(even) > .scene3d::after { background: linear-gradient(270deg, rgba(0, 0, 0, 0.72) 0%, rgba(0, 0, 0, 0.45) 38%, rgba(0, 0, 0, 0) 62%); }
@media (max-width: 900px) { .heros-3d .scene3d::after, .bande > .scene3d::after { background: linear-gradient(0deg, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.35) 55%, rgba(0, 0, 0, 0.2) 100%); } }