/* =========================================================
   ARTHUR ESCURE — PORTFOLIO
   style.css · « Le studio de nuit »
   ========================================================= */

/* ---------- 1. TOKENS ---------- */
:root {
  --c-bg: #0A0D12;
  --c-bg-2: #12161E;
  --c-text: #F3F1EC;
  --c-muted: #8A9099;
  --c-blue: #4DA3FF;
  --c-amber: #F5B74A;
  --c-mint: #5EE0B0;
  --c-line: rgba(243, 241, 236, 0.08);
  --c-line-strong: rgba(243, 241, 236, 0.16);

  --f-display: 'Manrope', 'Inter', system-ui, sans-serif;
  --f-body: 'Inter', system-ui, -apple-system, sans-serif;
  --f-mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;

  --text-display: clamp(2.7rem, 13.5vw, 16.5rem);
  --text-h1: clamp(2.3rem, 6.6vw, 7rem);
  --text-h2: clamp(1.8rem, 4.5vw, 4rem);
  --text-h3: clamp(1.3rem, 2.3vw, 2rem);
  --text-body: clamp(1rem, 1.2vw, 1.2rem);
  --text-small: 0.85rem;
  --text-label: 0.75rem;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.7, 0, 0.84, 0);
  --dur: 0.9s;

  --space: clamp(1.25rem, 4vw, 4rem);
  --container: 1400px;
  --radius: 24px;
}

/* ---------- 2. RESET ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: auto; }
html, body { overflow-x: hidden; }
body {
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--f-body);
  font-size: var(--text-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.has-cursor, body.has-cursor a, body.has-cursor button { cursor: none; }
img, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul { list-style: none; }
em { font-style: normal; }
::selection { background: var(--c-amber); color: var(--c-bg); }
:focus-visible { outline: 2px solid var(--c-blue); outline-offset: 4px; border-radius: 4px; }
.container { width: min(100% - 2 * var(--space), var(--container)); margin-inline: auto; }

/* ---------- 3. GLOBAL FX ---------- */
.grain {
  position: fixed; inset: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 9000; opacity: 0.07; contain: strict;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 240px 240px;
  animation: grain 0.7s steps(5) infinite;
}
@keyframes grain {
  0% { background-position: 0 0; } 20% { background-position: -40px 30px; }
  40% { background-position: 60px -50px; } 60% { background-position: -70px -20px; }
  80% { background-position: 30px 60px; } 100% { background-position: -20px 80px; }
}
.halo {
  position: fixed; width: 80vmax; height: 80vmax; border-radius: 50%;
  pointer-events: none; z-index: 0; opacity: 0.32;
  will-change: transform;
}
.halo--blue { top: -30vmax; left: -25vmax; background: radial-gradient(circle, rgba(31,79,143,.9) 0%, rgba(31,79,143,.35) 30%, transparent 62%); }
.halo--amber { bottom: -35vmax; right: -30vmax; background: radial-gradient(circle, rgba(107,74,18,.9) 0%, rgba(107,74,18,.35) 30%, transparent 62%); }

.progress { position: fixed; top: 0; left: 0; width: 100%; height: 2px; z-index: 9500; pointer-events: none; }
/* Repère « Défiler » : apparaît quand le visiteur s'arrête, disparaît dès qu'il bouge */
.scroll-cue { position: fixed; left: 50%; bottom: 1.4rem; transform: translate(-50%, 12px); z-index: 8500; pointer-events: none;
  display: flex; flex-direction: column; align-items: center; gap: .5rem; font: 500 .68rem var(--f-mono); letter-spacing: .2em; text-transform: uppercase; color: var(--c-muted);
  opacity: 0; transition: opacity .5s var(--ease-out), transform .5s var(--ease-out); }
.scroll-cue.is-visible { opacity: 1; transform: translate(-50%, 0); }
.scroll-cue__mouse { width: 22px; height: 34px; border: 1.5px solid rgba(243,241,236,.45); border-radius: 12px; position: relative; }
.scroll-cue__mouse i { position: absolute; left: 50%; top: 6px; width: 3px; height: 7px; margin-left: -1.5px; border-radius: 2px; background: var(--c-amber); animation: cue 1.6s var(--ease-out) infinite; }
@keyframes cue { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(12px); opacity: 0; } 100% { transform: translateY(0); opacity: 0; } }
.progress span { display: block; height: 100%; width: 100%; background: var(--c-amber); transform-origin: left; transform: scaleX(0); }

/* Cursor */
.cursor { position: fixed; top: 0; left: 0; pointer-events: none; z-index: 9999; display: none; }
.has-cursor .cursor { display: block; }
.cursor__dot {
  position: absolute; width: 8px; height: 8px; border-radius: 50%; background: var(--c-blue);
  transform: translate(-50%, -50%);
}
.cursor__ring {
  position: absolute; width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid rgba(77, 163, 255, 0.6); transform: translate(-50%, -50%);
  display: grid; place-items: center;
  transition: width .35s var(--ease-out), height .35s var(--ease-out), background .35s, border-color .35s;
}
.cursor__label { font: 500 10px/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--c-bg); opacity: 0; transition: opacity .2s; }
.cursor.is-hover .cursor__ring { width: 64px; height: 64px; }
.cursor.is-link .cursor__ring { border-color: var(--c-amber); }
.cursor.is-drag .cursor__ring { width: 84px; height: 84px; background: var(--c-blue); border-color: var(--c-blue); }
.cursor.is-drag .cursor__label { opacity: 1; }
.cursor.is-drag .cursor__dot { opacity: 0; }

/* ---------- 4. PRELOADER ---------- */
.preloader {
  position: fixed; inset: 0; z-index: 10000; background: var(--c-bg);
  display: grid; place-content: center; gap: 1.5rem; text-align: center;
}
.preloader__name { font: 800 clamp(1.8rem, 7vw, 5.8rem)/1 var(--f-display); letter-spacing: -0.04em; display: flex; overflow: hidden; }
.preloader__blue { color: var(--c-blue); }
.preloader__space { width: .3em; }
.preloader__name span { display: inline-block; transform: translateY(110%); }
.preloader__count { font: 500 0.9rem var(--f-mono); color: var(--c-muted); letter-spacing: .15em; }
.preloader__bar { width: 160px; height: 1px; background: var(--c-line-strong); margin-inline: auto; overflow: hidden; }
.preloader__bar span { display: block; height: 100%; width: 100%; background: var(--c-amber); transform-origin: left; transform: scaleX(0); }

/* ---------- 5. TYPOGRAPHY UTILITIES ---------- */
.label {
  font: 500 var(--text-label)/1 var(--f-mono); letter-spacing: .18em; text-transform: uppercase;
  color: var(--c-muted); margin-bottom: 1.5rem; display: flex; align-items: center; justify-content: center; gap: .75rem;
}
.label::after { content: ''; width: 24px; height: 1px; background: var(--c-amber); }
.label::before { content: ''; width: 24px; height: 1px; background: var(--c-amber); }
.section-title {
  font: 800 var(--text-h1)/0.98 var(--f-display); letter-spacing: -0.035em; max-width: 16ch; margin: 0 auto clamp(2rem, 5vw, 4rem); text-align: center;
}
[data-split] .char, [data-split] .word { display: inline-block; }
.split-mask { display: inline-block; overflow: hidden; vertical-align: bottom; padding-bottom: 0.08em; margin-bottom: -0.08em; }
.split-word { display: inline-block; white-space: nowrap; }
.underline { position: relative; color: var(--c-text); }
.underline::after {
  content: ''; position: absolute; left: 0; bottom: -0.05em; height: 0.08em; width: 100%;
  background: var(--c-amber); transform: scaleX(0); transform-origin: left; transition: transform 1s var(--ease-out) .6s;
}
.is-inview .underline::after { transform: scaleX(1); }
.status { font: 500 var(--text-small) var(--f-mono); color: var(--c-muted); display: inline-flex; align-items: center; gap: .6rem; letter-spacing: .02em; }
.status__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c-mint); box-shadow: 0 0 0 0 rgba(94, 224, 176, .6); animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(94,224,176,.6); } 70% { box-shadow: 0 0 0 10px rgba(94,224,176,0); } 100% { box-shadow: 0 0 0 0 rgba(94,224,176,0); } }

/* ---------- 6. BUTTONS ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; gap: .75rem;
  padding: 1.05rem 1.9rem; border-radius: 999px; font: 500 1rem var(--f-body);
  overflow: hidden; isolation: isolate; white-space: nowrap; transition: color .4s var(--ease-out), border-color .4s;
  will-change: transform;
}
.btn span, .btn i { position: relative; z-index: 1; font-style: normal; }
.btn i { transition: transform .4s var(--ease-out); }
.btn:hover i { transform: translateX(4px); }
.btn--primary { background: var(--c-text); color: var(--c-bg); }
.btn--primary::before {
  content: ''; position: absolute; inset: 0; background: var(--c-amber);
  transform: translateX(-101%); transition: transform .5s var(--ease-out); z-index: 0;
}
.btn--primary:hover::before { transform: translateX(0); }
.btn--ghost { border: 1px solid var(--c-line-strong); color: var(--c-text); }
.btn--ghost:hover { border-color: var(--c-blue); }
.btn--small { padding: .7rem 1.3rem; font-size: .9rem; }
.btn--huge { padding: clamp(1.2rem, 2.5vw, 1.8rem) clamp(1.8rem, 4vw, 3.2rem); font-size: clamp(1rem, 2vw, 1.5rem); }
.btn[hidden] { display: none; }
.link-arrow { font: 500 1rem var(--f-body); color: var(--c-text); display: inline-flex; gap: .5rem; align-items: center; position: relative; padding-bottom: .2rem; }
.link-arrow::after { content: '→'; transition: transform .4s var(--ease-out); }
.link-arrow::before { content: ''; position: absolute; left: 0; bottom: 0; height: 1px; width: 100%; background: var(--c-amber); transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease-out); }
.link-arrow:hover::after { transform: translateX(6px); }
.link-arrow:hover::before { transform: scaleX(1); }

/* ---------- 7. NAV ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 8000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem var(--space); transition: transform .6s var(--ease-out);
  mix-blend-mode: normal;
}
.nav.is-hidden { transform: translateY(-110%); }
.nav__logo { font: 800 1.5rem/1 var(--f-display); letter-spacing: -0.04em; display: inline-flex; }
.nav__logo-e { color: var(--c-blue); transition: color .4s; }
.nav__logo:hover .nav__logo-e { color: var(--c-amber); }
.nav__center { display: flex; flex-direction: column; align-items: center; gap: .4rem; }
.nav__name { font: 700 .74rem var(--f-display); letter-spacing: .16em; text-transform: uppercase; color: var(--c-text); display: inline-flex; gap: .35em; transition: opacity .3s; }
.nav__name-e { color: var(--c-blue); }
.nav__name:hover { opacity: .75; }
.nav__links { display: flex; gap: 2.2rem; font: 500 .9rem var(--f-body); color: var(--c-muted); }
.nav__links a { position: relative; transition: color .3s; }
.nav__links a::after { content: ''; position: absolute; left: 0; bottom: -4px; height: 1px; width: 100%; background: var(--c-amber); transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease-out); }
.nav__links a:hover { color: var(--c-text); }
.nav__links a:hover::after { transform: scaleX(1); }
.nav__burger { display: none; width: 44px; height: 44px; flex-direction: column; justify-content: center; align-items: center; gap: 6px; }
.nav__burger span { width: 24px; height: 1.5px; background: var(--c-text); transition: transform .4s var(--ease-out); }
.nav__burger.is-open span:first-child { transform: translateY(3.75px) rotate(45deg); }
.nav__burger.is-open span:last-child { transform: translateY(-3.75px) rotate(-45deg); }
.mobile-menu {
  position: fixed; inset: 0; z-index: 7900; background: var(--c-bg);
  display: flex; flex-direction: column; justify-content: center; padding: var(--space);
  gap: 1rem; clip-path: inset(0 0 100% 0); transition: clip-path .7s var(--ease-out);
}
.mobile-menu.is-open { clip-path: inset(0 0 0 0); }
.mobile-menu a { font: 800 clamp(2.1rem, 9.5vw, 4rem)/1.1 var(--f-display); letter-spacing: -0.03em; }
.mobile-menu__foot { margin-top: 2rem; }
.mobile-menu__foot a { font: 500 1rem var(--f-mono); color: var(--c-muted); }

/* ---------- 8. SCENES (video scrub) ---------- */
.has-scene { position: relative; }
.scene { position: absolute; top: 0; left: 0; width: 100%; height: 100vh; height: 100dvh; z-index: 5; background: var(--c-bg); }
.scene__sticky { position: relative; width: 100%; height: 100vh; height: 100dvh; overflow: hidden; background: var(--c-bg); }
.scene__video {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  opacity: 0; transition: opacity .8s; pointer-events: none; will-change: transform; transform: translateZ(0);
}
.scene.has-video .scene__video { opacity: 1; }
.scene.has-video .scene__placeholder { opacity: 0; }
.scene__placeholder {
  position: absolute; inset: 0; display: grid; place-items: center; perspective: 1400px;
  background:
    radial-gradient(ellipse 50% 45% at 30% 40%, rgba(77,163,255,.18), transparent 70%),
    radial-gradient(ellipse 45% 40% at 75% 70%, rgba(245,183,74,.14), transparent 70%),
    var(--c-bg);
  transition: opacity .8s;
}
.scene__caption { position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none; z-index: 3; text-align: center; padding: var(--space); }
.scene__caption-line { grid-area: 1 / 1; font: 800 clamp(1.8rem, 5.2vw, 4.8rem)/1 var(--f-display); letter-spacing: -0.03em; opacity: 0; text-shadow: 0 10px 40px rgba(0,0,0,.6); }
.scene__hint {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); z-index: 5;
  font: 500 .7rem var(--f-mono); letter-spacing: .2em; text-transform: uppercase; color: var(--c-muted);
  display: flex; flex-direction: column; align-items: center; gap: .6rem;
}
.scene__hint span { width: 1px; height: 40px; background: linear-gradient(var(--c-amber), transparent); animation: hint 1.8s var(--ease-out) infinite; }
@keyframes hint { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* CSS laptop (placeholder while videos are not yet generated) */
.laptop { position: relative; width: min(64vw, 760px); transform-style: preserve-3d; }
.laptop--small { width: min(46vw, 560px); }
.laptop__lid {
  position: relative; aspect-ratio: 16 / 10; border-radius: 14px 14px 4px 4px;
  background: linear-gradient(160deg, #262c36, #0f131a); border: 1px solid var(--c-line-strong);
  padding: 2.2%; transform-origin: bottom; transform-style: preserve-3d;
  box-shadow: 0 40px 100px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.08);
}
.laptop--closed .laptop__lid { transform: rotateX(-88deg); }
.laptop__screen {
  position: relative; width: 100%; height: 100%; border-radius: 8px; overflow: hidden;
  background: radial-gradient(circle at 50% 30%, #16233a, #0A0D12 70%);
  box-shadow: inset 0 0 60px rgba(77,163,255,.15);
}
.laptop__screen--grid { background-image: radial-gradient(rgba(243,241,236,.12) 1px, transparent 1px), radial-gradient(circle at 50% 30%, #16233a, #0A0D12 70%); background-size: 14px 14px, 100% 100%; }
.laptop__screen--glow { background: radial-gradient(circle at 50% 50%, rgba(77,163,255,.7), rgba(245,183,74,.25) 45%, #0A0D12 75%); }
.laptop__base {
  height: 12px; margin-top: -1px; border-radius: 0 0 16px 16px;
  background: linear-gradient(#2b323d, #14181f); border: 1px solid var(--c-line-strong); border-top: 0;
  width: 108%; margin-left: -4%; transform: translateZ(2px);
}
.ui-chip { position: absolute; border-radius: 8px; background: rgba(243,241,236,.1); border: 1px solid rgba(243,241,236,.14); backdrop-filter: blur(8px); opacity: 0; }
.ui-chip--nav { top: 6%; left: 6%; width: 88%; height: 6%; }
.ui-chip--title { top: 22%; left: 8%; width: 46%; height: 14%; background: rgba(77,163,255,.35); }
.ui-chip--line { top: 42%; left: 8%; width: 36%; height: 4%; }
.ui-chip--btn { top: 54%; left: 8%; width: 18%; height: 9%; background: var(--c-amber); border-radius: 999px; }
.ui-chip--card { top: 22%; right: 8%; width: 30%; height: 44%; }
.ui-chip--card2 { top: 72%; left: 8%; width: 84%; height: 20%; }
.orbit { position: relative; display: grid; place-items: center; width: min(80vw, 900px); aspect-ratio: 16/9; }
.ui-chip--float { opacity: .9; width: clamp(70px, 12vw, 160px); height: clamp(40px, 6vw, 80px); left: 50%; top: 50%; margin: -3vw 0 0 -6vw; }
.ui-chip--float:nth-child(2) { background: rgba(77,163,255,.3); } .ui-chip--float:nth-child(4) { background: rgba(245,183,74,.3); } .ui-chip--float:nth-child(6) { background: rgba(94,224,176,.25); }

/* ---------- 9. HERO ---------- */
.hero { position: relative; z-index: 2; overflow: hidden; text-align: center; min-height: 100vh; min-height: 100dvh; display: grid; align-items: center; padding: clamp(5rem, 9vh, 7rem) var(--space) clamp(3rem, 6vh, 5rem); background: var(--c-bg); }
.hero__inner { width: min(100%, var(--container)); max-width: 100%; margin-inline: auto; }
.hero__avatar {
  width: clamp(160px, 19vw, 260px); aspect-ratio: 1; border-radius: 50%; margin: 0 auto 1.6rem; padding: 5px;
  background: conic-gradient(from 200deg, var(--c-blue), var(--c-amber), var(--c-blue));
  box-shadow: 0 20px 60px rgba(0,0,0,.5), 0 0 40px rgba(77,163,255,.18);
}
.hero__avatar img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; display: block; border: 3px solid var(--c-bg); }
.hero__title { font: 800 var(--text-display)/0.9 var(--f-display); letter-spacing: -0.05em; display: flex; flex-direction: column; align-items: center; margin: 0 0 clamp(1.5rem, 4vw, 3rem); }
.hero__line { display: block; white-space: nowrap; }
.hero__line--accent { color: var(--c-blue); }
.hero__sub { font: 700 clamp(1.25rem, 2.6vw, 2.3rem)/1.15 var(--f-display); letter-spacing: -0.02em; max-width: 24ch; margin: 0 auto 1rem; }
.hero__text { color: var(--c-muted); max-width: 44ch; margin: 0 auto 2.2rem; }
.hero__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; margin-bottom: 2.5rem; }

/* ---------- 11. MISSION ---------- */
.mission { position: relative; z-index: 2; padding: clamp(6rem, 15vh, 12rem) 0; background: var(--c-bg); text-align: center; }
.mission__title { font: 800 clamp(2rem, 5vw, 5.3rem)/1.05 var(--f-display); letter-spacing: -0.035em; max-width: 18ch; margin: 0 auto clamp(2rem, 5vw, 4rem); }
.mission__title .word { color: var(--c-muted); opacity: .35; transition: color .3s, opacity .3s; }
.mission__title .word.is-lit { color: var(--c-text); opacity: 1; }
.mission__text { max-width: 60ch; margin-inline: auto; font-size: clamp(1.05rem, 1.5vw, 1.4rem); color: var(--c-muted); line-height: 1.55; }
.drop-word { display: inline-block; color: var(--c-amber); font-weight: 500; }

/* ---------- 12. PILLARS ---------- */
.pillars { position: relative; z-index: 2; padding: clamp(5rem, 12vh, 10rem) 0; background: var(--c-bg); }
.pillars__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.pillar {
  position: relative; padding: clamp(2rem, 3vw, 3rem); border: 1px solid var(--c-line); border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(243,241,236,.03), transparent); overflow: hidden; min-height: 460px;
  display: flex; flex-direction: column; transition: border-color .5s, transform .6s var(--ease-out);
  --accent: var(--c-blue);
}
.pillar[data-accent="amber"] { --accent: var(--c-amber); }
.pillar[data-accent="mint"] { --accent: var(--c-mint); }
.pillar::before {
  content: ''; position: absolute; inset: -40%; background: radial-gradient(circle at 30% 20%, var(--accent), transparent 55%);
  opacity: 0; transition: opacity .7s; pointer-events: none;
}
.pillar:hover { border-color: var(--c-line-strong); transform: translateY(-6px); }
.pillar:hover::before { opacity: .16; }
.pillar__num {
  position: absolute; right: -0.1em; bottom: -0.25em; font: 800 clamp(8rem, 14vw, 16rem)/1 var(--f-display);
  color: var(--accent); opacity: .06; letter-spacing: -0.06em; transition: opacity .6s, transform .8s var(--ease-out); pointer-events: none;
}
.pillar:hover .pillar__num { opacity: .14; transform: translate(-4%, -4%); }
.pillar__kicker { font: 500 var(--text-label) var(--f-mono); letter-spacing: .18em; text-transform: uppercase; color: var(--accent); margin-bottom: auto; }
.pillar__title { font: 800 var(--text-h3)/1.1 var(--f-display); letter-spacing: -0.02em; margin: 3rem 0 1rem; position: relative; }
.pillar__text { color: var(--c-muted); font-size: 1rem; position: relative; }
.pillar__line { position: absolute; left: 0; bottom: 0; height: 2px; width: 100%; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .7s var(--ease-out); }
.pillar:hover .pillar__line { transform: scaleX(1); }

/* ---------- 13. STORY ---------- */
.story { position: relative; z-index: 2; padding: clamp(5rem, 12vh, 10rem) 0 clamp(3rem, 8vh, 6rem); background: var(--c-bg); }
.story__head { margin-bottom: clamp(3rem, 8vh, 6rem); text-align: center; }
.story__timeline { display: none; position: absolute; left: calc(var(--space) - 1px); top: 0; bottom: 0; width: 1px; background: var(--c-line); }
.story__timeline span { display: block; width: 100%; height: 100%; background: linear-gradient(var(--c-blue), var(--c-amber)); transform-origin: top; transform: scaleY(0); }
.chapter {
  position: relative; width: min(100% - 2 * var(--space), var(--container)); margin-inline: auto;
  min-height: 70vh; display: grid; grid-template-columns: 1fr; align-items: center; justify-items: center; text-align: center; padding: clamp(2rem, 6vh, 5rem) 0;
}
.chapter--portrait { gap: clamp(2rem, 4vw, 3.5rem); }
.chapter__num { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); font: 800 clamp(5rem, 12vw, 12rem)/1 var(--f-display); color: var(--c-amber); opacity: .08; letter-spacing: -0.06em; pointer-events: none; }
.chapter__kicker { font: 500 var(--text-label) var(--f-mono); letter-spacing: .18em; text-transform: uppercase; color: var(--c-amber); margin-bottom: 1.5rem; }
.chapter__text { font: 700 clamp(1.35rem, 2.7vw, 2.5rem)/1.25 var(--f-display); letter-spacing: -0.02em; max-width: 30ch; margin-inline: auto; }
.chapter__text .word { color: var(--c-muted); opacity: .4; }
.chapter__text .word.is-lit { color: var(--c-text); opacity: 1; }
.chapter__portrait { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4/5; width: min(100%, 340px); justify-self: center; }
.story__portrait { margin: 0 auto; }
.chapter__portrait::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 60%, rgba(10,13,18,.7)); }
.chapter__portrait img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- 14. PROJECTS / BROWSER ---------- */
.projects { position: relative; z-index: 2; padding: clamp(5rem, 12vh, 9rem) 0; background: var(--c-bg); }
.projects__head { margin-bottom: 2.5rem; text-align: center; }
.projects__hint { color: var(--c-muted); font: 500 var(--text-small) var(--f-mono); letter-spacing: .04em; margin-top: -1.5rem; text-align: center; }
.browser {
  position: relative; width: min(100% - 2 * var(--space), 1500px); height: min(82vh, 860px); min-height: 560px; margin-inline: auto;
  border: 1px solid var(--c-line-strong); border-radius: 20px; overflow: hidden;
  background: rgba(18, 22, 30, .92);
  box-shadow: 0 30px 70px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.06);
  display: flex; flex-direction: column;
}
.browser__bar { display: flex; align-items: center; gap: 1rem; padding: .8rem 1rem; border-bottom: 1px solid var(--c-line); background: rgba(10,13,18,.5); }
.browser__dots { display: flex; gap: 6px; }
.browser__dots span { width: 11px; height: 11px; border-radius: 50%; background: #ff5f57; }
.browser__dots span:nth-child(2) { background: var(--c-amber); }
.browser__dots span:nth-child(3) { background: var(--c-mint); }
.browser__address {
  flex: 1; max-width: 520px; margin-inline: auto; padding: .45rem 1rem; border-radius: 8px;
  background: rgba(243,241,236,.05); border: 1px solid var(--c-line); font: 500 .8rem var(--f-mono); color: var(--c-muted);
  display: flex; align-items: center; gap: .6rem; letter-spacing: .02em;
}
.browser__lock { color: var(--c-mint); }
.browser__tools { display: flex; align-items: center; gap: 1rem; font: 500 .75rem var(--f-mono); color: var(--c-muted); letter-spacing: .06em; }
.browser__count b { color: var(--c-text); font-weight: 500; }
.browser__reset { padding: .45rem .9rem; border: 1px solid var(--c-line-strong); border-radius: 999px; font: 500 .75rem var(--f-mono); letter-spacing: .08em; text-transform: uppercase; transition: border-color .3s, color .3s; }
.browser__reset:hover { border-color: var(--c-amber); color: var(--c-amber); }
.browser__desk {
  position: relative; flex: 1; overflow: hidden;
  background-image: radial-gradient(rgba(243,241,236,.07) 1px, transparent 1px), radial-gradient(ellipse 60% 60% at 50% 100%, rgba(77,163,255,.12), transparent 70%);
  background-size: 22px 22px, 100% 100%;
}
.window {
  position: absolute; width: clamp(260px, 30%, 420px); border-radius: 14px; overflow: hidden;
  background: var(--c-bg-2); border: 1px solid var(--c-line-strong);
  box-shadow: 0 18px 40px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  cursor: grab; touch-action: none; user-select: none; -webkit-user-select: none;
  transition: box-shadow .4s, border-color .4s;
  will-change: transform;
}
.window.is-active { border-color: rgba(77,163,255,.6); box-shadow: 0 22px 50px rgba(0,0,0,.55), 0 0 0 1px rgba(77,163,255,.3); }
.window:active { cursor: grabbing; }
.window__bar { display: flex; align-items: center; gap: .6rem; padding: .55rem .8rem; border-bottom: 1px solid var(--c-line); background: rgba(10,13,18,.6); }
.window__dots { display: flex; gap: 4px; }
.window__dots i { width: 7px; height: 7px; border-radius: 50%; background: rgba(243,241,236,.18); }
.window__url { font: 500 .65rem var(--f-mono); color: var(--c-muted); letter-spacing: .04em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.window__thumb { width: 100%; aspect-ratio: 16/10; object-fit: cover; object-position: top; pointer-events: none; }
.window__meta { padding: .9rem 1rem 1rem; display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.window__meta h3 { font: 800 1.05rem var(--f-display); letter-spacing: -0.01em; }
.window__meta span { font: 500 .65rem var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--c-muted); white-space: nowrap; }

/* Project card */
.card {
  position: absolute; inset: 0; z-index: 20; background: rgba(10,13,18,.96); backdrop-filter: blur(24px);
  display: grid; grid-template-columns: minmax(300px, 1fr) 1.4fr; gap: clamp(1.5rem, 3vw, 3rem);
  padding: clamp(1.5rem, 3vw, 3rem); transform-origin: 0 0;
}
.card[hidden] { display: none; }
.card__close { position: absolute; top: 1rem; right: 1rem; width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--c-line-strong); font-size: 1.6rem; line-height: 1; display: grid; place-items: center; z-index: 2; transition: border-color .3s, transform .4s var(--ease-out); }
.card__close:hover { border-color: var(--c-amber); transform: rotate(90deg); }
.card__info { display: flex; flex-direction: column; justify-content: center; min-width: 0; }
.card__title { font: 800 var(--text-h2)/1 var(--f-display); letter-spacing: -0.03em; margin-bottom: 1.2rem; }
.card__desc { color: var(--c-muted); font-size: 1rem; margin-bottom: 1.5rem; max-width: 46ch; }
.card__stack { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 2rem; }
.card__stack li { font: 500 .7rem var(--f-mono); letter-spacing: .08em; text-transform: uppercase; padding: .4rem .7rem; border: 1px solid var(--c-line-strong); border-radius: 999px; color: var(--c-muted); }
.card__actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.card__preview { min-width: 0; display: grid; }
.device { display: flex; flex-direction: column; border-radius: 14px; overflow: hidden; border: 1px solid var(--c-line-strong); background: var(--c-bg-2); box-shadow: 0 30px 80px rgba(0,0,0,.5); height: 100%; min-height: 0; }
.device__bar { display: flex; align-items: center; gap: 5px; padding: .55rem .8rem; border-bottom: 1px solid var(--c-line); background: rgba(10,13,18,.6); }
.device__bar span { width: 8px; height: 8px; border-radius: 50%; background: rgba(243,241,236,.18); }
.device__bar em { margin-left: .6rem; font: 500 .65rem var(--f-mono); color: var(--c-muted); font-style: normal; }
.device__screen { position: relative; flex: 1; min-height: 0; background: var(--c-bg-2); }
.device__scroll { position: absolute; inset: 0; overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; scrollbar-color: var(--c-blue) transparent; }
.device__scroll img { width: 100%; height: auto; display: block; }
.device__screen iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; background: #fff; }
.device__screen iframe[hidden] { display: none; }

/* ---------- 15. COLLAB ---------- */
.collab { position: relative; z-index: 2; padding: clamp(5rem, 12vh, 10rem) 0; background: var(--c-bg); }
.collab .label, .collab .section-title { text-align: center; }
.collab__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.collab__card {
  position: relative; padding: clamp(2rem, 3.5vw, 3.5rem); border-radius: var(--radius); border: 1px solid var(--c-line);
  background: linear-gradient(160deg, rgba(77,163,255,.08), transparent 60%); overflow: hidden;
  display: flex; flex-direction: column; gap: 1rem; transition: border-color .5s, transform .6s var(--ease-out);
}
.collab__card--amber { background: linear-gradient(160deg, rgba(245,183,74,.09), transparent 60%); }
.collab__card:hover { border-color: var(--c-line-strong); transform: translateY(-6px); }
.collab__kicker { font: 500 var(--text-label) var(--f-mono); letter-spacing: .18em; text-transform: uppercase; color: var(--c-blue); }
.collab__card--amber .collab__kicker { color: var(--c-amber); }
.collab__card h3 { font: 800 clamp(1.35rem, 2.3vw, 2rem)/1.1 var(--f-display); letter-spacing: -0.02em; }
.collab__card p { color: var(--c-muted); font-size: 1rem; }
.collab__card .link-arrow { margin-top: auto; padding-top: 1.5rem; }

/* ---------- 16. CONTACT ---------- */
.contact { position: relative; z-index: 2; min-height: 100vh; min-height: 100dvh; display: grid; align-items: center; padding: clamp(5rem, 12vh, 8rem) 0; background: var(--c-bg); }
.contact__inner { text-align: center; }
.contact__title { font: 800 clamp(2.2rem, 8.4vw, 10.5rem)/0.95 var(--f-display); letter-spacing: -0.05em; display: flex; flex-direction: column; align-items: center; margin-bottom: 2rem; }
.contact__title span { white-space: nowrap; }
.contact__title span:last-child { color: var(--c-amber); }
.contact__text { color: var(--c-muted); font-size: clamp(1.05rem, 1.5vw, 1.35rem); margin: 0 auto clamp(2rem, 4vw, 3.5rem); max-width: 48ch; }
.contact__grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: clamp(1.5rem, 4vw, 4rem); text-align: left; max-width: 1100px; margin: 0 auto; }
.contact__links { display: flex; flex-direction: column; gap: .9rem; }
.link-card {
  display: flex; align-items: center; gap: 1rem; padding: 1.1rem 1.2rem; border-radius: 16px; width: 100%;
  border: 1px solid var(--c-line); background: linear-gradient(180deg, rgba(243,241,236,.03), transparent); color: var(--c-text); text-align: left;
  transition: border-color .4s, transform .5s var(--ease-out), background .4s;
}
.link-card:not(.link-card--static):hover { border-color: var(--c-blue); transform: translateY(-3px); background: rgba(77,163,255,.06); }
.link-card__icon { flex: none; width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: rgba(77,163,255,.12); color: var(--c-blue); }
.link-card__body { display: flex; flex-direction: column; gap: .15rem; min-width: 0; }
.link-card__body strong { font: 600 1rem var(--f-body); letter-spacing: -0.01em; overflow: hidden; text-overflow: ellipsis; }
.link-card__body span { font: 400 .85rem var(--f-body); color: var(--c-muted); }
.link-card__arrow { margin-left: auto; color: var(--c-muted); transition: transform .4s var(--ease-out), color .3s; }
.link-card:hover .link-card__arrow { transform: translate(3px, -3px); color: var(--c-amber); }
.link-card.is-copied .link-card__hint { color: var(--c-mint); }
.form { display: flex; flex-direction: column; gap: 1rem; padding: clamp(1.25rem, 2.5vw, 2rem); border-radius: 20px; border: 1px solid var(--c-line); background: var(--c-bg-2); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form__field { display: flex; flex-direction: column; gap: .45rem; }
.form__field > span { font: 500 var(--text-label) var(--f-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--c-muted); }
.form__field input, .form__field textarea, .form__field select {
  width: 100%; padding: .9rem 1rem; border-radius: 12px; border: 1px solid var(--c-line-strong); background: rgba(10,13,18,.6); color: var(--c-text);
  font: 400 1rem var(--f-body); transition: border-color .3s, box-shadow .3s; appearance: none; -webkit-appearance: none;
}
.form__field select { background-image: linear-gradient(45deg, transparent 50%, var(--c-muted) 50%), linear-gradient(135deg, var(--c-muted) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 2.5rem; }
.form__field textarea { resize: vertical; min-height: 140px; }
.form__field input::placeholder, .form__field textarea::placeholder { color: rgba(138,144,153,.7); }
.form__field input:focus, .form__field textarea:focus, .form__field select:focus { outline: none; border-color: var(--c-blue); box-shadow: 0 0 0 3px rgba(77,163,255,.18); }
.form__foot { display: flex; align-items: center; flex-wrap: wrap; gap: 1rem; margin-top: .25rem; }
.form__status { font: 500 .85rem var(--f-mono); color: var(--c-muted); min-height: 1.2em; }
.form__status.is-ok { color: var(--c-mint); }
.form__status.is-err { color: #ff7a6b; }

/* ---------- 17. FOOTER ---------- */
.footer {
  position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1.5rem;
  padding: 2rem var(--space) 2.5rem; border-top: 1px solid var(--c-line); background: var(--c-bg);
  font: 500 .8rem var(--f-mono); color: var(--c-muted); letter-spacing: .03em;
}
.footer__brand b { color: var(--c-text); font-family: var(--f-display); font-weight: 800; }
.footer__links { display: flex; gap: 1.5rem; }
.footer__links a { transition: color .3s; }
.footer__links a:hover { color: var(--c-amber); }
.footer__top { width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--c-line-strong); display: grid; place-items: center; font-size: 1.1rem; color: var(--c-text); transition: border-color .3s, transform .4s var(--ease-out); }
.footer__top:hover { border-color: var(--c-amber); transform: translateY(-4px); }

/* ---------- 18. REVEAL DEFAULTS (JS animates) ---------- */
.js [data-reveal] { opacity: 0; transform: translateY(30px); }
.js [data-reveal].is-inview { opacity: 1; transform: none; transition: opacity 1s var(--ease-out), transform 1.1s var(--ease-out); }

/* ---------- 19. RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .pillars__grid { grid-template-columns: 1fr; }
  .pillar { min-height: 0; }
  .pillar__title { margin-top: 2rem; }
  .card { grid-template-columns: 1fr; grid-template-rows: auto 1fr; overflow-y: auto; }
  .card__info { padding-top: 2rem; }
  .device { min-height: 420px; }
}
@media (max-width: 768px) {
  .nav__links, .nav__cta { display: none; }
  .nav__center { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); }
  .nav__burger { display: flex; }
  .chapter__portrait { width: min(100%, 280px); }
  .chapter { min-height: 60vh; }
  .collab__grid { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .browser { height: auto; min-height: 0; width: min(100% - 2 * var(--space), 1500px); }
  .browser__desk { height: auto; min-height: 0; padding: 1.25rem; display: flex; flex-direction: column; gap: 1.25rem; }
  .browser__count { display: none; }
  .window { position: relative; width: 100%; }
  .card { position: fixed; inset: 0; z-index: 9800; border-radius: 0; padding: 1.25rem; }
  .grain { opacity: .03; }
  /* Mobile : vidéo entière (bande 16:9 centrée) au lieu d'un recadrage plein écran */
  /* Bords haut/bas de la bande fondus dans le fond (plus d'effet « lecteur vidéo ») */
  .scene__video { inset: auto 0; top: 50%; height: 60vw; transform: translateY(-50%) translateZ(0); object-fit: cover; background: transparent;
    -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 22%, #000 78%, transparent 100%);
    mask-image: linear-gradient(to bottom, transparent 0, #000 22%, #000 78%, transparent 100%); }
  .scene__sticky { background: radial-gradient(ellipse 100% 40% at 50% 50%, rgba(77,163,255,.10), transparent 72%), #06080c; }
  .scene__placeholder { background: var(--c-bg); }
  /* Textes des scènes au-dessus de la bande vidéo, pas sur les visages */
  .scene__caption { align-items: start; padding-top: 16vh; }
  .scene__caption-line { font-size: clamp(1.5rem, 7.5vw, 2.7rem); }
  .scene__hint { bottom: 1.2rem; }
  .laptop { width: 82vw; }
  .footer { flex-direction: column; align-items: flex-start; }
  .contact__title { font-size: clamp(1.7rem, 8.4vw, 2.9rem); }
}

/* ---------- 20. REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {
  .grain, .status__dot, .scene__hint span { animation: none !important; }
  .marquee__track { animation-duration: 120s; }
  .js [data-reveal] { opacity: 1; transform: none; transition: none; }
}