/* Xtrack — feuille de style principale. Tokens : voir Docs/charte-graphique.md */

:root {
  /* fonds (carbone du jeu) */
  --night: #07090B;
  --carbon: #0D0F14;
  --graphite: #14171C;
  --steel: #222632;
  --steel-2: #2A2E3B;
  /* marque */
  --accent: #00ADB5;          /* Signal : navigation, action */
  --accent-hi: #3FE3E9;       /* Signal clair : texte et lueur sur fond sombre */
  --accent-a20: rgba(0, 173, 181, .20);
  --accent-a10: rgba(0, 173, 181, .10);
  --accent-2: #D97326;        /* Terre : donnée, sol, Roadmap */
  --accent-2-hi: #F2913F;
  /* texte */
  --text-1: #EBEDF2;
  --text-2: #B8BDC7;
  --text-3: #858A94;
  --text-4: #61636B;
  /* signaux */
  --faster: #6BD194;
  --slower: #E66B66;
  --cold: #5C8FEB;
  /* traits */
  --line: rgba(255, 255, 255, .07);
  --line-strong: rgba(255, 255, 255, .14);
  /* typo */
  --f-display: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --f-body: 'Inter', system-ui, sans-serif;
  --f-mono: 'JetBrains Mono', ui-monospace, monospace;
  /* rythme */
  --r-s: 4.5px;
  --r-m: 8px;
  --r-l: 14px;
  --gutter: clamp(16px, 4vw, 56px);
  --section: clamp(96px, 14vw, 200px);
  --ease: cubic-bezier(.2, .7, .1, 1);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
body {
  margin: 0; background: var(--night); color: var(--text-1);
  font: 400 17px/1.6 var(--f-body); -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img, video, canvas, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
::selection { background: var(--accent); color: var(--night); }
:focus-visible { outline: 2px solid var(--accent-hi); outline-offset: 3px; border-radius: 2px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.wrap { width: 100%; max-width: 1360px; margin-inline: auto; padding-inline: var(--gutter); }
.muted { color: var(--text-3); }
.small { font-size: 13px; line-height: 1.5; }

.grain {
  position: fixed; inset: -50%; z-index: 100; pointer-events: none; opacity: .055;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 1.2s steps(6) infinite;
}
@keyframes grain { 0%,100% { transform: translate(0,0) } 20% { transform: translate(-3%,2%) } 40% { transform: translate(2%,-4%) } 60% { transform: translate(-4%,-1%) } 80% { transform: translate(3%,3%) } }

/* ---------- typographie ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 12px; margin: 0 0 22px;
  font: 600 14px/1 var(--f-display); letter-spacing: .22em; text-transform: uppercase; color: var(--accent-hi);
}
.eyebrow::before { content: ''; width: 14px; height: 3px; background: currentColor; flex: none; }
.h2 {
  margin: 0 0 28px; font: 800 clamp(42px, 6.4vw, 104px)/.9 var(--f-display);
  text-transform: uppercase; letter-spacing: -.005em; text-wrap: balance;
}
.h2--xl { font-size: clamp(48px, 8.4vw, 148px); }
.h2 em, .hero__title em, .is-em {
  font-style: normal; color: transparent;
  background: linear-gradient(100deg, var(--accent-hi) 0%, #B9FBFF 45%, var(--accent-hi) 90%);
  background-size: 200% 100%; -webkit-background-clip: text; background-clip: text;
  animation: sheen 8s linear infinite;
}
@keyframes sheen { to { background-position: -200% 0; } }
.lead { max-width: 62ch; font-size: clamp(17px, 1.35vw, 20px); color: var(--text-2); }
.quote { padding-left: 18px; border-left: 3px solid var(--accent-2); color: var(--text-1); font-size: 17px; }
.section-head { max-width: 1100px; margin-bottom: clamp(48px, 6vw, 88px); }

/* mots découpés (animés par main.js) */
.split-line { display: inline-block; vertical-align: top; overflow: hidden; padding-bottom: .06em; margin-bottom: -.06em; }
.split-line > span { display: inline-block; will-change: transform; }

.tag {
  display: inline-flex; align-items: center; gap: 6px; padding: 3px 9px 3px 8px; vertical-align: .12em;
  font: 500 11px/1.2 var(--f-mono); letter-spacing: .04em; text-transform: uppercase; color: var(--accent-2-hi);
  border: 1px solid rgba(217, 115, 38, .55); border-radius: 99px; background: rgba(217, 115, 38, .08); white-space: nowrap;
}
.tag::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: currentColor; box-shadow: 0 0 8px currentColor; }

/* ---------- boutons ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  height: 56px; padding: 0 28px; border-radius: var(--r-s); overflow: hidden; isolation: isolate;
  font: 700 17px/1 var(--f-display); letter-spacing: .1em; text-transform: uppercase;
  background: var(--accent); color: var(--night);
  box-shadow: 0 0 0 1px rgba(63, 227, 233, .4) inset, 0 10px 40px -10px rgba(0, 173, 181, .7);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s;
}
.btn::after {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,.45) 50%, transparent 70%);
  transform: translateX(-120%); transition: transform .7s var(--ease);
}
.btn:hover { transform: translateY(-2px) scale(1.02); background: var(--accent-hi); box-shadow: 0 0 0 1px rgba(255,255,255,.5) inset, 0 16px 50px -10px rgba(0,173,181,.9); }
.btn:hover::after { transform: translateX(120%); }
.btn:active { transform: scale(.96); }
.btn--ghost { background: rgba(255,255,255,.04); color: var(--text-1); box-shadow: 0 0 0 1px var(--line-strong) inset; backdrop-filter: blur(10px); }
.btn--ghost:hover { background: rgba(255,255,255,.1); color: var(--text-1); box-shadow: 0 0 0 1px rgba(255,255,255,.35) inset; }
.btn--small { height: 40px; padding: 0 18px; font-size: 14px; }
.btn__play { width: 0; height: 0; border-left: 9px solid currentColor; border-block: 6px solid transparent; }

/* ---------- navigation ---------- */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 50; display: flex; align-items: center; gap: 32px;
  height: 76px; padding-inline: var(--gutter); transition: background .4s, height .4s, border-color .4s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled { height: 64px; background: rgba(7, 9, 11, .72); backdrop-filter: blur(18px) saturate(1.4); border-color: var(--line); }
.nav.is-hidden { transform: translateY(-100%); }
.nav { transition: transform .45s var(--ease), background .4s, height .4s; }
.nav__logo svg { width: 119px; height: 26px; color: var(--text-1); }
.nav__links { display: flex; gap: 28px; margin-left: auto; }
.nav__links a {
  position: relative; font: 600 15px/1 var(--f-display); letter-spacing: .12em; text-transform: uppercase; color: var(--text-2);
  transition: color .2s;
}
.nav__links a::after { content: ''; position: absolute; left: 0; right: 100%; bottom: -8px; height: 2px; background: var(--accent); transition: right .35s var(--ease); }
.nav__links a:hover, .nav__links a.is-active { color: var(--text-1); }
.nav__links a:hover::after, .nav__links a.is-active::after { right: 0; }
.nav__burger { display: none; width: 40px; height: 40px; position: relative; }
.nav__burger span { position: absolute; left: 9px; right: 9px; height: 2px; background: var(--text-1); transition: transform .3s; }
.nav__burger span:first-child { top: 15px; } .nav__burger span:last-child { top: 23px; }

/* ---------- hero ---------- */
.hero { position: relative; height: 100svh; min-height: 640px; display: flex; align-items: flex-end; overflow: hidden; }
.hero__media { position: absolute; inset: -6% 0 0; will-change: transform; }
.hero__media img, .hero__media video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero__video { opacity: 0; transition: opacity 1.2s; }
.hero__video.is-ready { opacity: 1; }
.hero__img { transform: scale(1.08); animation: heroZoom 14s var(--ease) forwards; }
@keyframes heroZoom { to { transform: scale(1); } }
.hero__shade {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(7,9,11,.88) 0%, rgba(7,9,11,.55) 38%, rgba(7,9,11,0) 70%),
    linear-gradient(0deg, var(--night) 0%, rgba(7,9,11,0) 38%),
    linear-gradient(180deg, rgba(7,9,11,.6) 0%, rgba(7,9,11,0) 22%);
}
.hero__content { position: relative; padding-bottom: clamp(120px, 16vh, 180px); }
.hero__title {
  margin: 0 0 26px; font: 900 clamp(56px, 7vw, 140px)/.86 var(--f-display); text-transform: uppercase; letter-spacing: -.012em;
  text-shadow: 0 10px 60px rgba(0,0,0,.35);
}
.hero__lead { max-width: 48ch; margin: 0 0 36px; font-size: clamp(17px, 1.4vw, 20px); color: var(--text-2); }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; }
.hero__ticker { position: absolute; left: 0; right: 0; bottom: 0; border-top: 1px solid var(--line); background: rgba(7,9,11,.55); backdrop-filter: blur(12px); overflow: hidden; }
.ticker { display: flex; width: max-content; animation: ticker 40s linear infinite; }
.ticker span { padding: 16px 30px; font: 500 13px/1 var(--f-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--text-2); white-space: nowrap; }
.ticker span::before { content: '◆'; margin-right: 30px; color: var(--accent); font-size: 8px; vertical-align: 2px; }
@keyframes ticker { to { transform: translateX(-50%); } }
.hero__scroll { position: absolute; right: var(--gutter); bottom: 78px; width: 26px; height: 42px; border: 1.5px solid var(--line-strong); border-radius: 14px; }
.hero__scroll span { position: absolute; left: 50%; top: 8px; width: 3px; height: 8px; margin-left: -1.5px; border-radius: 2px; background: var(--accent-hi); animation: scrollDot 1.8s var(--ease) infinite; }
@keyframes scrollDot { 0% { transform: translateY(0); opacity: 1 } 70% { transform: translateY(14px); opacity: 0 } 100% { opacity: 0 } }

/* ---------- manifeste ---------- */
.manifesto { padding-block: var(--section); }
.manifesto__text { max-width: 1180px; margin: 0 0 clamp(56px, 7vw, 96px); font: 600 clamp(30px, 4.2vw, 64px)/1.08 var(--f-display); text-transform: uppercase; letter-spacing: .005em; }
.manifesto__text strong { color: var(--accent-hi); font-weight: 700; }
.word { opacity: .14; transition: opacity .2s; }
.axes { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.axis {
  position: relative; display: block; padding: clamp(28px, 3.4vw, 48px); border-radius: var(--r-l); overflow: hidden;
  background: linear-gradient(160deg, var(--graphite), var(--carbon)); border: 1px solid var(--line);
  transition: border-color .3s, transform .4s var(--ease);
}
.axis::before { content: ''; position: absolute; left: 28px; right: 28px; top: 0; height: 3px; background: var(--accent); transform-origin: left; transform: scaleX(.12); transition: transform .5s var(--ease); }
.axis:hover { border-color: var(--line-strong); transform: translateY(-4px); }
.axis:hover::before { transform: scaleX(1); }
.axis__num { font: 500 13px/1 var(--f-mono); color: var(--accent-hi); }
.axis__title { margin: 18px 0 12px; font: 800 clamp(30px, 3vw, 44px)/.95 var(--f-display); text-transform: uppercase; }
.axis p { margin: 0; max-width: 44ch; color: var(--text-2); }
.axis__arrow { position: absolute; right: 32px; bottom: 28px; font-size: 26px; color: var(--accent-hi); transition: transform .3s var(--ease); }
.axis:hover .axis__arrow { transform: translateX(6px); }

/* ---------- monde 3D ---------- */
.world { position: relative; height: 520vh; background: radial-gradient(120% 80% at 50% 30%, #0B1416 0%, var(--night) 60%); }
.world__stage { position: sticky; top: 0; height: 100svh; overflow: hidden; }
.world__canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.world__stage::after { content: ''; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(90% 70% at 70% 50%, transparent 40%, rgba(7,9,11,.85) 100%), linear-gradient(90deg, rgba(7,9,11,.85) 0%, transparent 45%); }
.world__hud { position: absolute; z-index: 2; inset: 92px var(--gutter) auto auto; display: flex; flex-direction: column; align-items: flex-end; gap: 8px; font: 500 12px/1 var(--f-mono); color: var(--text-3); text-transform: uppercase; letter-spacing: .08em; }
.world__hud span:last-child { color: var(--accent-hi); font-size: 14px; }
.world__steps { position: absolute; z-index: 2; left: var(--gutter); top: 50%; transform: translateY(-50%); width: min(520px, 86vw); }
.step { position: absolute; top: 50%; left: 0; transform: translateY(calc(-50% + 30px)); opacity: 0; pointer-events: none; transition: opacity .6s var(--ease), transform .8s var(--ease); }
.step.is-active { opacity: 1; transform: translateY(-50%); pointer-events: auto; }
.step h2 { margin: 0 0 18px; font: 800 clamp(36px, 4.4vw, 68px)/.92 var(--f-display); text-transform: uppercase; }
.step p:not(.eyebrow) { margin: 0; color: var(--text-2); font-size: 18px; }
.world__progress { position: absolute; z-index: 2; left: var(--gutter); right: var(--gutter); bottom: 36px; height: 2px; background: var(--line); }
.world__progress span { position: absolute; inset: 0 auto 0 0; width: 0; background: linear-gradient(90deg, var(--accent), var(--accent-hi)); box-shadow: 0 0 12px var(--accent); }

/* ---------- avant / après ---------- */
.compare { padding-block: var(--section) 0; }
.compare__frame { position: relative; aspect-ratio: 16 / 9; border-radius: var(--r-l); overflow: hidden; border: 1px solid var(--line); cursor: ew-resize; user-select: none; touch-action: pan-y; --pos: 50%; }
.compare__frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.compare__before { position: absolute; inset: 0; clip-path: inset(0 calc(100% - var(--pos)) 0 0); }
.compare__handle { position: absolute; top: 0; bottom: 0; left: var(--pos); width: 2px; margin-left: -1px; background: var(--text-1); box-shadow: 0 0 20px rgba(0,0,0,.5); }
.compare__handle span { position: absolute; top: 50%; left: 50%; width: 52px; height: 52px; margin: -26px; border-radius: 50%; background: rgba(7,9,11,.6); backdrop-filter: blur(8px); border: 1.5px solid var(--text-1); }
.compare__handle span::before, .compare__handle span::after { content: ''; position: absolute; top: 50%; width: 0; height: 0; margin-top: -6px; border-block: 6px solid transparent; }
.compare__handle span::before { left: 12px; border-right: 8px solid var(--text-1); }
.compare__handle span::after { right: 12px; border-left: 8px solid var(--text-1); }
.compare__label { position: absolute; top: 20px; padding: 8px 12px; border-radius: var(--r-s); background: rgba(7,9,11,.65); backdrop-filter: blur(8px); font: 500 12px/1 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; }
.compare__label--l { left: 20px; } .compare__label--r { right: 20px; color: var(--accent-hi); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: clamp(40px, 5vw, 72px) 0 0; border-top: 1px solid var(--line); }
.stats > div { padding: 28px 24px 0 0; }
.stats > div + div { padding-left: 24px; border-left: 1px solid var(--line); }
.stats dt { font: 800 clamp(44px, 5vw, 76px)/1 var(--f-display); color: var(--text-1); font-variant-numeric: tabular-nums; }
.stats dd { margin: 10px 0 0; color: var(--text-3); font-size: 15px; max-width: 26ch; }

/* ---------- atelier ---------- */
.atelier { padding-block: var(--section); }
.atelier__grid { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(32px, 6vw, 96px); align-items: center; }
.flow { list-style: none; margin: 40px 0 0; padding: 0; counter-reset: f; }
.flow li { position: relative; display: grid; gap: 6px; padding: 20px 0 20px 64px; border-top: 1px solid var(--line); counter-increment: f; }
.flow li::before { content: '0' counter(f); position: absolute; left: 0; top: 22px; font: 500 13px/1 var(--f-mono); color: var(--accent-hi); }
.flow b { font: 700 24px/1 var(--f-display); text-transform: uppercase; letter-spacing: .02em; }
.flow span { color: var(--text-2); }
.atelier__media { margin: 0; position: relative; border-radius: var(--r-l); overflow: hidden; border: 1px solid var(--line); box-shadow: 0 40px 120px -40px rgba(0, 173, 181, .35); }
.atelier__media img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.atelier__media figcaption { position: absolute; left: 16px; bottom: 16px; padding: 8px 12px; border-radius: var(--r-s); background: rgba(7,9,11,.7); backdrop-filter: blur(8px); font: 500 12px/1 var(--f-mono); color: var(--text-2); }
.tilt { transform-style: preserve-3d; transition: transform .5s var(--ease); will-change: transform; }

/* ---------- disciplines ---------- */
.disciplines { position: relative; padding-top: var(--section); overflow: hidden; }
.disciplines__intro { margin-bottom: 56px; }
.hscroll { display: flex; gap: 24px; padding: 0 var(--gutter) var(--section); width: max-content; will-change: transform; }
.card-d { position: relative; flex: none; width: min(76vw, 900px); border-radius: var(--r-l); overflow: hidden; background: var(--graphite); border: 1px solid var(--line); display: grid; grid-template-rows: auto 1fr; }
.card-d__media { position: relative; aspect-ratio: 16 / 9; overflow: hidden; }
.card-d__media img, .card-d__media video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.card-d__media video { opacity: 0; transition: opacity .8s; }
.card-d__media video.is-ready { opacity: 1; }
.card-d:hover .card-d__media img { transform: scale(1.05); }
.card-d__media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(0deg, var(--graphite) 0%, transparent 45%); }
.card-d__body { position: relative; padding: 0 clamp(24px, 3vw, 44px) clamp(28px, 3vw, 40px); margin-top: -64px; }
.card-d__idx { font: 500 13px/1 var(--f-mono); color: var(--accent-hi); }
.card-d h3 { margin: 10px 0 14px; font: 900 clamp(48px, 6vw, 92px)/.85 var(--f-display); text-transform: uppercase; }
.card-d p { margin: 0 0 22px; max-width: 60ch; color: var(--text-2); }
.card-d--small { width: min(60vw, 520px); align-self: stretch; background: linear-gradient(160deg, var(--steel), var(--graphite)); }
.card-d--small .card-d__body { margin-top: 0; padding-top: 40px; }
.card-d--small h3 { font-size: clamp(40px, 4vw, 60px); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.chips li { padding: 7px 12px; border-radius: 99px; border: 1px solid var(--line-strong); font: 500 12px/1 var(--f-mono); color: var(--text-2); text-transform: uppercase; letter-spacing: .04em; }
.chips li.is-roadmap { border-color: rgba(217,115,38,.55); color: var(--accent-2-hi); }
.chips li.is-roadmap::after { content: ' · Roadmap'; opacity: .8; }

/* ---------- spéciale ---------- */
.stage { padding-block: 0 var(--section); }
.stage__grid { display: grid; grid-template-columns: 7fr 5fr; gap: clamp(32px, 6vw, 96px); align-items: center; }
.stage__map { margin: 0; padding: 22px; border-radius: var(--r-l); background: var(--carbon); border: 1px solid var(--line); color: var(--text-3); }
.stage__svg { width: 100%; height: auto; border-radius: var(--r-m); background: radial-gradient(80% 80% at 50% 50%, #10161A, #0A0D10); }
.stage__roads path { stroke: #2A323A; stroke-width: 7; }
.stage__roads path:nth-child(odd) { stroke: #3A2E25; stroke-width: 5; stroke-dasharray: 2 7; }
.stage__route { stroke: var(--accent-hi); stroke-width: 6; stroke-dasharray: 1; stroke-dashoffset: 1; filter: drop-shadow(0 0 8px rgba(63,227,233,.8)); }
.stage__pins circle { fill: var(--night); stroke: var(--text-1); stroke-width: 2.5; }
.stage__pins text { font: 600 13px var(--f-display); letter-spacing: .12em; fill: var(--text-1); text-anchor: middle; }
.stage__readout { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 16px; }
.stage__readout div { padding: 14px; border-radius: var(--r-m); background: var(--graphite); border: 1px solid var(--line); color: var(--text-3); font: 500 12px/1.3 var(--f-mono); }
.stage__readout span { display: block; margin-bottom: 8px; text-transform: uppercase; letter-spacing: .06em; }
.stage__readout b { font: 800 30px/1 var(--f-display); color: var(--accent-2-hi); }
.stage__map figcaption { margin-top: 12px; font-size: 12px; }

/* ---------- physique ---------- */
.physics { position: relative; padding-block: var(--section); overflow: hidden; }
.physics__bg { position: absolute; inset: -10% 0; opacity: .22; }
.physics__bg img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.7); }
.physics::before { content: ''; position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, var(--night) 0%, rgba(7,9,11,.6) 30%, rgba(7,9,11,.8) 70%, var(--night) 100%); }
.physics__inner { position: relative; z-index: 2; }
.grip { border-radius: var(--r-l); border: 1px solid var(--line); background: rgba(13,15,20,.82); backdrop-filter: blur(16px); overflow: hidden; }
.grip__tabs { display: flex; border-bottom: 1px solid var(--line); overflow-x: auto; }
.grip__tabs button { flex: 1; min-width: 110px; padding: 20px 16px; font: 700 16px/1 var(--f-display); letter-spacing: .12em; text-transform: uppercase; color: var(--text-3); position: relative; transition: color .2s, background .2s; }
.grip__tabs button::after { content: ''; position: absolute; left: 0; right: 0; bottom: -1px; height: 3px; background: var(--accent); transform: scaleX(0); transition: transform .35s var(--ease); }
.grip__tabs button[aria-selected="true"] { color: var(--text-1); background: var(--accent-a10); }
.grip__tabs button[aria-selected="true"]::after { transform: scaleX(1); }
.grip__panel { display: grid; grid-template-columns: 2fr 1fr; }
.grip__chart { position: relative; padding: 28px 20px 20px; }
.grip__chart canvas { width: 100%; height: clamp(260px, 30vw, 380px); }
.grip__axis { position: absolute; font: 500 11px/1 var(--f-mono); text-transform: uppercase; letter-spacing: .06em; color: var(--text-4); }
.grip__axis--y { top: 12px; left: 22px; } .grip__axis--x { right: 22px; bottom: 6px; }
.grip__note { padding: 36px 32px; border-left: 1px solid var(--line); }
.grip__note h3 { margin: 0 0 12px; font: 800 40px/1 var(--f-display); text-transform: uppercase; color: var(--accent-hi); }
.grip__note p { color: var(--text-2); }

.bento { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 16px; }
.bento__item { position: relative; padding: 28px; border-radius: var(--r-l); background: rgba(20,23,28,.85); border: 1px solid var(--line); backdrop-filter: blur(12px); overflow: hidden; }
.bento__item--wide { grid-column: span 2; }
.bento__item h3 { margin: 0 0 12px; font: 800 30px/1 var(--f-display); text-transform: uppercase; }
.bento__item p { margin: 0; color: var(--text-2); font-size: 15px; }
.bento__item p b { color: var(--text-1); }
.big { display: block; margin-bottom: 12px; font: 900 clamp(48px, 5vw, 76px)/.9 var(--f-display); color: var(--text-1); font-variant-numeric: tabular-nums; }
.big small { margin-left: 6px; font: 600 .38em var(--f-display); color: var(--accent-2-hi); letter-spacing: .06em; }
.ring { position: absolute; right: -40px; bottom: -40px; width: 220px; height: 220px; opacity: .9; }
.ring svg { width: 100%; height: 100%; animation: spin 18s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.ticks { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.ticks li { position: relative; padding-left: 24px; color: var(--text-2); font-size: 15px; }
.ticks li::before { content: ''; position: absolute; left: 0; top: .55em; width: 12px; height: 3px; background: var(--accent); }

/* ---------- volant ---------- */
.wheel { padding-block: var(--section); }
.wheel__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: center; }
.wheel .ticks { margin-top: 28px; }
.trace { padding: 22px; border-radius: var(--r-l); border: 1px solid var(--line); background: var(--carbon); }
.trace__head { display: flex; gap: 22px; align-items: center; margin-bottom: 12px; font: 500 12px/1 var(--f-mono); text-transform: uppercase; color: var(--text-2); letter-spacing: .06em; }
.trace__unit { margin-left: auto; color: var(--text-4); }
.trace canvas { width: 100%; height: 300px; }
.dot { display: inline-block; width: 8px; height: 8px; margin-right: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); vertical-align: 0; }
.dot--muted { background: var(--text-2); box-shadow: none; }
.dot--warm { background: var(--accent-2); box-shadow: 0 0 10px var(--accent-2); }

.bases { margin-top: clamp(64px, 8vw, 120px); padding: clamp(28px, 4vw, 56px); border-radius: var(--r-l); background: linear-gradient(140deg, rgba(0,173,181,.12), rgba(13,15,20,.9) 45%); border: 1px solid var(--line); }
.bases__head { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: end; }
.bases__head h3 { margin: 0; font: 800 clamp(36px, 4vw, 60px)/.95 var(--f-display); text-transform: uppercase; }
.bases__head p { margin: 0; color: var(--text-2); }
.search { display: block; margin-top: 32px; }
.search input { width: 100%; height: 64px; padding: 0 24px; border-radius: var(--r-m); border: 1px solid var(--line-strong); background: rgba(7,9,11,.7); color: var(--text-1); font: 500 18px var(--f-body); transition: border-color .2s, box-shadow .2s; }
.search input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-a20); }
.bases__list { list-style: none; margin: 18px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 10px; min-height: 60px; }
.bases__list li { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 16px; border-radius: var(--r-m); background: rgba(20,23,28,.9); border: 1px solid var(--line); animation: pop .35s var(--ease) both; }
.bases__list b { display: block; font-weight: 600; font-size: 15px; }
.bases__list small { color: var(--text-3); font-size: 12px; }
.bases__list .nm { font: 800 22px/1 var(--f-display); color: var(--accent-2-hi); white-space: nowrap; }
.bases__list .ok { color: var(--faster); font: 500 11px var(--f-mono); text-transform: uppercase; }
@keyframes pop { from { opacity: 0; transform: translateY(6px); } }

/* ---------- en ligne ---------- */
.online { padding-block: var(--section); background: linear-gradient(180deg, var(--night), var(--carbon) 30%, var(--carbon) 70%, var(--night)); }
.bracket { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; list-style: none; margin: 0 0 48px; padding: 0; counter-reset: b; }
.bracket li { position: relative; padding: 26px 20px 26px 0; border-top: 2px solid var(--line-strong); }
.bracket li::before { content: ''; position: absolute; top: -7px; left: 0; width: 12px; height: 12px; border-radius: 50%; background: var(--night); border: 2px solid var(--accent); }
.bracket li::after { content: ''; position: absolute; top: -2px; left: 0; height: 2px; width: 0; background: var(--accent); box-shadow: 0 0 10px var(--accent); transition: width 1s var(--ease); }
.bracket.is-in li::after { width: 100%; }
.bracket.is-in li:nth-child(2)::after { transition-delay: .25s; } .bracket.is-in li:nth-child(3)::after { transition-delay: .5s; }
.bracket.is-in li:nth-child(4)::after { transition-delay: .75s; } .bracket.is-in li:nth-child(5)::after { transition-delay: 1s; width: 0; }
.bracket b { display: block; font: 800 clamp(22px, 2.2vw, 32px)/1 var(--f-display); text-transform: uppercase; }
.bracket span { color: var(--text-3); font-size: 14px; }
.bracket .is-gold::before { border-color: var(--accent-2); background: var(--accent-2); box-shadow: 0 0 16px var(--accent-2); }
.bracket .is-gold b { color: var(--accent-2-hi); }
.online__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.panel { padding: 28px; border-radius: var(--r-l); background: var(--graphite); border: 1px solid var(--line); position: relative; overflow: hidden; }
.panel::before { content: ''; position: absolute; left: 14px; right: 14px; top: 0; height: 3px; background: var(--accent); }
.panel--roadmap::before { background: var(--accent-2); }
.panel h3 { margin: 0 0 12px; font: 800 26px/1.02 var(--f-display); text-transform: uppercase; }
.panel p { margin: 0; color: var(--text-2); font-size: 15px; }

/* ---------- galerie ---------- */
.gallery { padding-block: var(--section) 0; overflow: hidden; }
.gallery__row { display: flex; gap: 16px; width: max-content; margin-bottom: 16px; will-change: transform; }
.gallery__row figure { margin: 0; width: clamp(300px, 34vw, 560px); aspect-ratio: 16/10; border-radius: var(--r-l); overflow: hidden; border: 1px solid var(--line); }
.gallery__row img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.gallery__row figure:hover img { transform: scale(1.06); }
.gallery__row:nth-child(2) { margin-left: -12vw; }
.gallery__caption { padding-top: 32px; }
.gallery__caption p { max-width: 70ch; color: var(--text-2); }

/* ---------- garage ---------- */
.garage { padding-block: var(--section); }
.cars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; perspective: 1400px; }
.car { position: relative; border-radius: var(--r-l); overflow: hidden; background: radial-gradient(120% 90% at 50% 20%, var(--steel) 0%, var(--carbon) 70%); border: 1px solid var(--line); }
.car::before { content: ''; position: absolute; left: 10%; right: 10%; top: 55%; height: 30%; background: radial-gradient(closest-side, rgba(0,173,181,.35), transparent); filter: blur(10px); }
.car img { position: relative; width: 100%; aspect-ratio: 16/10; object-fit: contain; padding: 22px 16px 0; transform: translateZ(40px); }
.car__body { position: relative; padding: 0 26px 26px; transform: translateZ(24px); }
.car__cat { font: 500 12px/1 var(--f-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--accent-hi); }
.car h3 { margin: 8px 0 16px; font: 800 36px/1 var(--f-display); text-transform: uppercase; }
.car dl { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 0; padding-top: 16px; border-top: 1px solid var(--line); }
.car dt { font: 500 11px/1 var(--f-mono); color: var(--text-3); text-transform: uppercase; }
.car dd { margin: 6px 0 0; font: 700 22px/1 var(--f-display); }
.livery { display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: center; margin-top: 20px; padding: 32px; border-radius: var(--r-l); border: 1px solid var(--line); background: var(--graphite); }
.livery h3 { margin: 0 0 8px; font: 800 30px/1 var(--f-display); text-transform: uppercase; }
.livery p { margin: 0; color: var(--text-2); max-width: 70ch; }
.livery__swatches { display: flex; }
.livery__swatches span { width: 52px; height: 52px; margin-left: -12px; border-radius: 50%; background: var(--c); border: 3px solid var(--graphite); transition: transform .3s var(--ease); }
.livery__swatches span:hover { transform: translateY(-8px); }

/* ---------- immersion ---------- */
.kit { padding-block: 0 var(--section); }
.kit__list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.kit__list li { padding: 32px 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .3s; }
.kit__list li:hover { background: var(--accent-a10); }
.kit__list b { display: block; margin-bottom: 8px; font: 800 26px/1 var(--f-display); text-transform: uppercase; }
.kit__list span { color: var(--text-3); font-size: 15px; }

/* ---------- feuille de route ---------- */
.roadmap { padding-block: 0 var(--section); }
.roadmap__cols { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.roadmap__col { padding: 36px; border-radius: var(--r-l); background: var(--graphite); border: 1px solid var(--line); }
.roadmap__col--next { background: linear-gradient(160deg, rgba(217,115,38,.10), var(--graphite) 50%); }
.roadmap__col h3 { margin: 0 0 22px; font: 800 28px/1 var(--f-display); text-transform: uppercase; }
.roadmap__col ul { margin: 0; padding: 0; list-style: none; }
.roadmap__col li { padding: 14px 0; border-top: 1px solid var(--line); color: var(--text-2); }

/* ---------- histoire ---------- */
.story { padding-block: 0 var(--section); text-align: center; }
.story__quote { max-width: 1100px; margin: 0 auto 32px; font: 700 clamp(32px, 4.6vw, 72px)/1.04 var(--f-display); text-transform: uppercase; }
.story__meta { max-width: 64ch; margin: 0 auto; color: var(--text-3); }

/* ---------- rejoindre ---------- */
.join { position: relative; min-height: 90svh; display: flex; align-items: center; overflow: hidden; }
.join__bg { position: absolute; inset: -12% 0; }
.join__bg img { width: 100%; height: 100%; object-fit: cover; }
.join::before { content: ''; position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, var(--night) 0%, rgba(7,9,11,.35) 35%, rgba(7,9,11,.55) 70%, var(--night) 100%), linear-gradient(90deg, rgba(7,9,11,.75), transparent 70%); }
.join__inner { position: relative; z-index: 2; }

/* ---------- pied ---------- */
.footer { padding-block: 64px; border-top: 1px solid var(--line); display: grid; gap: 14px; color: var(--text-3); font-size: 13px; }
.footer__logo { width: 146px; height: 32px; color: var(--text-1); margin-bottom: 8px; }
.footer p { margin: 0; max-width: 90ch; }
.footer a { color: var(--accent-hi); }

/* ---------- apparitions ---------- */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease), transform 1s var(--ease); }
[data-reveal].is-in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .nav__links { display: none; }
  .nav__burger { display: block; }
  .nav .btn--small { margin-left: auto; }
  .nav.is-open .nav__links { display: flex; position: fixed; inset: 64px 0 auto; flex-direction: column; gap: 0; padding: 12px var(--gutter) 24px; background: rgba(7,9,11,.96); backdrop-filter: blur(16px); border-bottom: 1px solid var(--line); }
  .nav.is-open .nav__links a { padding: 16px 0; font-size: 20px; border-bottom: 1px solid var(--line); }
  .bento { grid-template-columns: 1fr 1fr; }
  .online__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  body { font-size: 16px; }
  .axes, .atelier__grid, .stage__grid, .wheel__grid, .roadmap__cols, .bases__head, .grip__panel { grid-template-columns: 1fr; }
  .grip__note { border-left: 0; border-top: 1px solid var(--line); }
  .stats { grid-template-columns: 1fr 1fr; }
  .stats > div:nth-child(3) { padding-left: 0; border-left: 0; }
  .cars { grid-template-columns: 1fr; }
  .kit__list { grid-template-columns: 1fr 1fr; }
  .bracket { grid-template-columns: 1fr; }
  .bracket li { border-top: 0; border-left: 2px solid var(--line-strong); padding: 0 0 26px 26px; }
  .bracket li::before { top: 0; left: -7px; }
  .bracket li::after { display: none; }
  .stage__readout { grid-template-columns: 1fr 1fr; }
  .livery { grid-template-columns: 1fr; }
  .world__steps { top: auto; bottom: 90px; transform: none; }
  .step { top: auto; bottom: 0; transform: translateY(30px); }
  .step.is-active { transform: none; }
  .step h2 { font-size: 34px; }
  .step p:not(.eyebrow) { font-size: 16px; }
  .world__stage::after { background: linear-gradient(0deg, rgba(7,9,11,.95) 0%, rgba(7,9,11,.4) 50%, transparent 75%); }
  .card-d { width: 86vw; }
  .card-d--small { width: 86vw; }
  .hero__shade { background: linear-gradient(0deg, var(--night) 8%, rgba(7,9,11,.55) 55%, rgba(7,9,11,.35) 100%); }
}
@media (max-width: 560px) {
  .online__grid, .bento, .kit__list { grid-template-columns: 1fr; }
  .bento__item--wide { grid-column: auto; }
  .hero__cta .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001s !important; animation-iteration-count: 1 !important; transition-duration: .001s !important; }
  [data-reveal] { opacity: 1; transform: none; }
  .word { opacity: 1; }
}

/* ---------- mots en accent (titres découpés) ---------- */
.is-em { display: inline-block; }

/* ---------- visuel manquant (en attendant les captures) ---------- */
.is-missing { position: relative; background: repeating-linear-gradient(135deg, #10151A 0 14px, #0C1014 14px 28px) !important; }
.is-missing::before {
  content: 'Visuel à venir · ' attr(data-missing); position: absolute; left: 16px; bottom: 16px; z-index: 3;
  padding: 6px 10px; border-radius: var(--r-s); border: 1px dashed var(--line-strong);
  font: 500 11px/1 var(--f-mono); color: var(--text-3); text-transform: uppercase; letter-spacing: .06em;
}

/* ---------- mode statique (captures de contrôle) ---------- */
.is-static .split-line > span { transform: none !important; }
.is-static .grain, .is-static .hero__scroll { display: none; }
.is-static .hero__img { animation: none; transform: none; }
.is-static [data-reveal], .is-static .step { transition: none !important; }
.world__reveal { position: absolute; inset: 0; z-index: 1; opacity: 0; pointer-events: none; will-change: opacity, transform; }
.world__reveal img { width: 100%; height: 100%; object-fit: cover; }
.world__canvas { z-index: 0; }
.nav .btn--small { white-space: nowrap; }
@media (max-width: 560px) { .nav .btn--small { display: none; } .nav__burger { margin-left: auto; } }
.grip__axis { text-transform: none; }
.roadmap__col h3 .dot { vertical-align: .18em; }
.compare__layout { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); gap: clamp(28px, 4vw, 64px); align-items: center; }
.compare__layout .compare__frame { aspect-ratio: 1 / 1; }
.compare__layout .stats { grid-template-columns: 1fr 1fr; margin: 0; border-top: 0; gap: 0; }
.compare__layout .stats > div { padding: 26px 0 26px 24px; border-left: 1px solid var(--line); border-top: 1px solid var(--line); }
.compare__layout .stats > div:nth-child(odd) { border-left: 0; padding-left: 0; }
.compare__note { margin-top: 16px; }
@media (max-width: 860px) { .compare__layout { grid-template-columns: 1fr; } }
/* hero : contenu ancré à gauche quelle que soit la largeur (la voiture occupe la droite de l'image) */
.hero__content.wrap { max-width: none; margin: 0; padding-left: max(var(--gutter), 4vw); }
.hero__title { max-width: 9.5em; }
.hero__media img { object-position: 0% 50%; }
@media (max-width: 860px) { .hero__media img { object-position: 62% 50%; } }
@media (min-aspect-ratio: 2/1) { .hero__media img { object-position: 70% 50%; } }

/* ---------- sans JavaScript : tout le contenu reste visible ---------- */
.no-js [data-reveal] { opacity: 1; transform: none; }
.no-js .word { opacity: 1; }

/* ---------- lien d'évitement (clavier, lecteurs d'écran) ---------- */
.skip { position: absolute; left: 16px; top: -60px; z-index: 200; padding: 12px 16px; border-radius: var(--r-s); background: var(--accent); color: var(--night); font: 700 15px var(--f-display); letter-spacing: .08em; text-transform: uppercase; transition: top .2s; }
.skip:focus { top: 12px; }

/* ---------- sélecteur de langue ---------- */
.nav__lang { display: inline-flex; align-items: center; gap: 2px; padding: 3px; border-radius: 99px; border: 1px solid var(--line-strong); font: 600 13px/1 var(--f-display); letter-spacing: .1em; }
.nav__lang a, .nav__lang span { padding: 6px 9px; border-radius: 99px; color: var(--text-3); }
.nav__lang span[aria-current] { background: var(--accent-a20); color: var(--text-1); }
.nav__lang a:hover { color: var(--text-1); }
@media (max-width: 1100px) { .nav__lang { margin-left: auto; } .nav .btn--small { margin-left: 0; } }

/* ---------- FAQ ---------- */
.faq { padding-block: 0 var(--section); }
.faq__list { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { position: relative; display: block; padding: 26px 56px 26px 0; cursor: pointer; list-style: none; font: 700 clamp(22px, 2.2vw, 30px)/1.15 var(--f-display); text-transform: uppercase; letter-spacing: .01em; transition: color .2s; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ''; position: absolute; right: 8px; top: 50%; width: 14px; height: 14px; margin-top: -10px; border-right: 2px solid var(--accent-hi); border-bottom: 2px solid var(--accent-hi); transform: rotate(45deg); transition: transform .3s var(--ease); }
.faq details[open] summary::after { transform: rotate(-135deg); margin-top: -2px; }
.faq summary:hover { color: var(--accent-hi); }
.faq details p { max-width: 75ch; margin: 0 0 26px; color: var(--text-2); }