/* ——— Version cinématique ——— */
:root{
  --night:#151915;--night-2:#1d231d;--olive:#455544;--olive-deep:#2b352b;
  --cream:#f3eee3;--paper:#e9e3d6;--muted:#a9ad9f;--terra:#d29a80;--terra-deep:#b46f58;
  --line:rgba(243,238,227,.14);
  --serif:"Playfair Display",Georgia,serif;--sans:"DM Sans",Arial,sans-serif;
  --ease:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--night);color:var(--cream);font-family:var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none;-webkit-tap-highlight-color:transparent}
a:focus-visible{outline:2px solid var(--terra);outline-offset:5px}
.shell{width:min(1240px,calc(100% - 88px));margin-inline:auto}
.skip-link{position:absolute;top:-60px;left:16px;padding:12px;background:var(--cream);color:var(--night);z-index:50}
.skip-link:focus{top:16px}

/* Grain */
.grain{position:fixed;inset:-50%;z-index:40;pointer-events:none;opacity:.07;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%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%{transform:translate(0,0)}20%{transform:translate(-3%,2%)}40%{transform:translate(2%,-4%)}60%{transform:translate(-4%,-1%)}80%{transform:translate(3%,3%)}100%{transform:translate(0,0)}}

/* Header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:30;transition:background .5s,backdrop-filter .5s,border-color .5s;border-bottom:1px solid transparent}
.site-header.is-solid{background:rgba(21,25,21,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--line)}
.header-inner{height:88px;display:flex;align-items:center;gap:42px}
.wordmark{white-space:nowrap;font-family:var(--serif);font-size:26px;letter-spacing:-1.2px;font-weight:500}
.wordmark span{font-weight:400}
.wordmark i{color:var(--terra);font-style:normal}
.main-nav{display:flex;align-items:center;gap:36px;margin-left:auto;font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase}
.main-nav a,.footer-links a{position:relative;opacity:.8;transition:opacity .3s}
.main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:1px;background:var(--terra);transform:scaleX(0);transform-origin:left;transition:transform .5s var(--ease)}
.main-nav a:hover{opacity:1}.main-nav a:hover::after{transform:scaleX(1)}
.footer-links a:hover{opacity:1;color:var(--terra)}
.header-cta{border:1px solid rgba(243,238,227,.4);padding:12px 17px;font-size:12px;font-weight:700;white-space:nowrap;transition:background .3s,color .3s,border-color .3s}
.header-cta:hover{background:var(--cream);color:var(--night);border-color:var(--cream)}
.header-cta span,.button span,.text-link span{margin-left:18px;transition:transform .4s var(--ease);display:inline-block}
.header-cta:hover span,.button:hover span,.text-link:hover span{transform:translate(3px,-3px)}

/* Typo & éléments */
.eyebrow{display:flex;align-items:center;gap:14px;margin:0 0 28px;color:var(--terra);font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase}
.eyebrow-line{display:block;width:32px;height:1px;background:currentColor}
h1,h2{font-family:var(--serif);font-weight:400;letter-spacing:-.04em;margin:0}
h1 em,h2 em,.intertitle-text em{font-style:italic;color:var(--terra)}
h2{font-size:clamp(40px,4.6vw,68px);line-height:1.12}
.button{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;min-height:54px;padding:15px 24px;font-size:12px;font-weight:700;letter-spacing:.04em;transition:transform .5s var(--ease),background .3s,color .3s}
.button:hover{transform:translateY(-3px)}
.button-cream{background:var(--cream);color:var(--night)}
.button-cream:hover{background:#fff}
.button-dark{background:var(--night);color:var(--cream)}
.text-link{display:inline-flex;align-items:center;padding-bottom:7px;border-bottom:1px solid currentColor;font-size:12px;font-weight:700;letter-spacing:.04em;transition:color .3s}
.text-link:hover{color:var(--terra)}

/* Reveal au scroll */
.reveal{opacity:0;transform:translateY(28px);transition:opacity 1.1s var(--ease) var(--d,0s),transform 1.1s var(--ease) var(--d,0s)}
.reveal.in{opacity:1;transform:none}
.reveal-mask{clip-path:inset(0 0 100% 0);transition:clip-path 1.6s var(--ease)}
.reveal-mask.in{clip-path:inset(0 0 0 0)}
.reveal-mask img{transform:scale(1.15);transition:transform 1.8s var(--ease)}
.reveal-mask.in img{transform:scale(1)}
.split .line{display:block;overflow:hidden;padding:0 .08em .14em .08em;margin:0 -.08em -.14em -.08em}
.split .line>span{display:block;transform:translateY(110%);transition:transform 1.3s var(--ease)}
.split .line:nth-child(2)>span{transition-delay:.12s}
.split .line:nth-child(3)>span{transition-delay:.24s}
.split.in .line>span{transform:none}
.reveal-words .w{display:inline-block;opacity:0;transform:translateY(.4em);filter:blur(6px);transition:opacity .9s var(--ease),transform .9s var(--ease),filter .9s var(--ease);transition-delay:calc(var(--i)*.06s)}
.reveal-words.in .w{opacity:1;transform:none;filter:blur(0)}

/* Hero */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;padding-top:112px;padding-bottom:32px;overflow:hidden;isolation:isolate}
.hero-media{position:absolute;inset:0;z-index:-1}
.hero-media img{width:100%;height:120%;object-fit:cover;object-position:center 22%;transform-origin:center;animation:kenburns 14s var(--ease) both;filter:saturate(.85) contrast(1.05)}
@keyframes kenburns{from{transform:scale(1.18) translateY(-2%)}to{transform:scale(1.02) translateY(0)}}
.hero-veil{position:absolute;inset:0;background:
  linear-gradient(180deg,rgba(21,25,21,.55) 0%,rgba(21,25,21,.15) 35%,rgba(21,25,21,.55) 70%,var(--night) 100%),
  linear-gradient(90deg,rgba(21,25,21,.72) 0%,rgba(21,25,21,.3) 55%,rgba(21,25,21,0) 100%)}
.hero-copy{position:relative;padding-bottom:44px}
.hero h1{max-width:820px;font-size:clamp(52px,6.4vw,96px);line-height:.98;margin:0 0 26px}
.hero-lead{max-width:520px;margin:0;color:#d7d5c9;font-size:16px;line-height:1.85}
.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:30px;margin-top:38px}
.hero-foot{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;padding-top:26px;border-top:1px solid var(--line)}
.hero-note{margin:0;color:var(--muted);font-size:11px;letter-spacing:.06em;text-transform:uppercase}
.scroll-cue{width:1px;height:56px;position:relative;overflow:hidden;background:var(--line)}
.scroll-cue span{position:absolute;left:0;top:-100%;width:100%;height:100%;background:var(--terra);animation:cue 2.2s var(--ease) infinite}
@keyframes cue{0%{top:-100%}60%{top:100%}100%{top:100%}}

/* Intertitre */
.intertitle{padding:180px 0 160px;text-align:center}
.intertitle-text{max-width:980px;margin:0 auto;font-family:var(--serif);font-size:clamp(34px,4.8vw,70px);line-height:1.18;letter-spacing:-.035em}
.intertitle-sub{max-width:560px;margin:38px auto 0;color:var(--muted);font-size:14px;line-height:1.85}

/* Chapitres */
.chapter{position:relative;padding:150px 0}
.chapter-head{display:grid;grid-template-columns:120px 1fr;gap:40px;align-items:start}
.chapter-num{font-family:var(--serif);font-size:clamp(60px,8vw,120px);line-height:.8;color:transparent;-webkit-text-stroke:1px rgba(243,238,227,.35);display:block;margin-bottom:18px}
.chapter-lead{max-width:640px;margin:56px 0 0 160px;color:#c9c8bb;font-size:16px;line-height:1.9}
.steps{list-style:none;margin:80px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.steps li{border-top:1px solid var(--line);padding-top:28px}
.steps span{color:var(--terra);font-size:11px;font-weight:700;letter-spacing:.14em}
.steps h3{font-family:var(--serif);font-size:30px;font-weight:400;margin:16px 0 12px}
.steps p{margin:0;color:var(--muted);font-size:13px;line-height:1.8}

/* Programme */
.program{background:var(--olive-deep);overflow:hidden;isolation:isolate}
.program-bg{position:absolute;inset:0;z-index:-1}
.program-bg img{width:100%;height:120%;object-fit:cover;object-position:center 30%;opacity:.28;filter:grayscale(.4) contrast(1.1)}
.program-veil{position:absolute;inset:0;background:linear-gradient(90deg,var(--olive-deep) 0%,rgba(43,53,43,.75) 50%,rgba(43,53,43,.35) 100%)}
.program-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:10%;align-items:center}
.program-copy .chapter-num{margin-bottom:24px}
.program-copy h2{font-size:clamp(64px,7.4vw,112px);line-height:1;margin-bottom:22px}
.program-subtitle{font-family:var(--serif);font-size:24px;margin:0 0 20px;color:var(--cream)}
.program-copy>p:not(.eyebrow):not(.program-subtitle){max-width:520px;margin:0 0 34px;color:#cfd6c8;font-size:15px;line-height:1.85}
.program-card{background:rgba(243,238,227,.06);border:1px solid var(--line);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);padding:42px 48px 34px}
.card-topline{margin:0 0 26px;color:var(--terra);font-size:10px;font-weight:700;letter-spacing:.2em;text-transform:uppercase}
.program-card ul{list-style:none;margin:0;padding:0}
.program-card li{display:grid;grid-template-columns:36px 1fr;column-gap:12px;border-top:1px solid var(--line);padding:22px 0}
.program-card li span{grid-row:span 2;color:var(--terra);font-size:12px}
.program-card strong{font-family:var(--serif);font-size:25px;font-weight:400}
.program-card small{margin-top:6px;color:var(--muted);font-size:12px}
.card-footnote{margin:14px 0 0;color:#7f857a;font-size:10px}

/* Vidéo */
.screen{margin:70px 0 0 160px;background:#0c0f0c;border:1px solid var(--line);box-shadow:0 40px 120px rgba(0,0,0,.55)}
.screen-bar{height:44px;background:#000}
.screen-body{aspect-ratio:16/7;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;text-align:center;padding:30px}
.screen-mark{font-size:70px;line-height:1;color:var(--terra);animation:breathe 4s ease-in-out infinite}
@keyframes breathe{0%,100%{opacity:.5;transform:scale(1)}50%{opacity:1;transform:scale(1.08)}}
.screen-text{color:var(--muted);font-size:11px;font-weight:700;letter-spacing:.26em;text-transform:uppercase;line-height:1.9}
.screen .text-link{margin-top:6px}

/* À propos */
.about-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:12%;align-items:center}
.about-photo{margin:0;height:600px;overflow:hidden;background:var(--night-2)}
.about-photo img{width:100%;height:120%;object-fit:cover;object-position:center 25%}
.about-copy h2{margin-bottom:26px}
.about-copy>p:not(.eyebrow){max-width:560px;margin:0 0 18px;color:#c9c8bb;font-size:15px;line-height:1.9}
.about-copy .text-link{margin-top:18px}

/* Finale */
.finale{background:var(--terra-deep);color:#fff8f0;padding:170px 0;text-align:center}
.finale-inner{display:flex;flex-direction:column;align-items:center}
.finale .eyebrow{color:#f3d7c5;margin-bottom:24px}
.finale h2{max-width:820px;font-size:clamp(46px,6vw,88px);line-height:1.05}
.finale h2 em{color:#f3d7c5}
.finale p:not(.eyebrow){max-width:600px;margin:30px 0 34px;font-size:15px;line-height:1.85}
.finale small{max-width:560px;margin-top:44px;color:#f0d9cc;font-size:11px;line-height:1.7}

/* Footer */
.site-footer{background:var(--night)}
.footer-main{display:flex;align-items:center;justify-content:space-between;gap:40px;padding:50px 0}
.footer-links{display:flex;flex-wrap:wrap;gap:27px;font-size:12px;font-weight:600}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:20px 0 28px;border-top:1px solid var(--line);color:#7f857a;font-size:10px}

/* Responsive */
@media(max-width:950px){
  .shell{width:min(100% - 48px,760px)}
  .header-inner{height:76px;gap:20px}.main-nav{gap:18px}.header-cta{display:none}
  .hero{padding-top:104px}.hero h1{font-size:clamp(48px,9.5vw,84px)}
  .chapter{padding:110px 0}.chapter-head{grid-template-columns:80px 1fr;gap:24px}
  .chapter-lead,.screen{margin-left:0}
  .steps{grid-template-columns:1fr;gap:24px;margin-top:56px}
  .program-grid,.about-grid{display:block}.program-card{margin-top:56px;padding:32px}
  .about-photo{height:460px;max-width:420px;margin-bottom:48px}
  .intertitle{padding:130px 0 110px}.finale{padding:120px 0}
}
@media(max-width:680px){
  .shell{width:calc(100% - 38px)}
  .header-inner{height:auto;min-height:70px;flex-wrap:wrap;justify-content:center;gap:0;padding:14px 0 12px}
  .main-nav{width:100%;justify-content:center;gap:22px;margin-top:12px;font-size:11px}
  .hero{padding-top:132px;padding-bottom:24px}
  .hero-media img{object-position:center 15%}
  .hero-veil{background:linear-gradient(180deg,rgba(21,25,21,.6) 0%,rgba(21,25,21,.25) 35%,rgba(21,25,21,.75) 65%,var(--night) 100%)}
  .hero h1{font-size:clamp(44px,12.5vw,64px)}.hero-lead{font-size:14px}
  .hero-actions{gap:22px;margin-top:30px;align-items:flex-start;flex-direction:column}
  .hero-foot{align-items:center}.hero-note{font-size:10px}
  .intertitle-text{font-size:clamp(30px,8.5vw,44px)}
  .chapter{padding:90px 0}.chapter-head{grid-template-columns:1fr;gap:16px}.chapter-num{font-size:64px}
  h2{font-size:clamp(36px,9vw,52px)}.program-copy h2{font-size:clamp(60px,16vw,84px)}
  .screen-bar{height:24px}.screen-body{aspect-ratio:16/10;gap:18px}.screen-mark{font-size:52px}
  .finale h2{font-size:clamp(40px,10vw,60px)}
  .footer-main{align-items:flex-start;flex-direction:column;gap:30px}.footer-bottom{flex-direction:column;gap:5px}
}

/* Mouvement réduit */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .grain,.scroll-cue span,.screen-mark{animation:none}
  .hero-media img{animation:none;transform:none}
  .reveal,.reveal-mask,.split .line>span,.reveal-words .w{opacity:1;transform:none;clip-path:none;filter:none;transition:none}
  .reveal-mask img{transform:none}
  [data-parallax]{transform:none!important}
}