/* site.css — Pierre Gerbaud website UI kit. Loads after colors_and_type.css. */
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;background:var(--paper-1);color:var(--fg);font-family:var(--font-body);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;}
.wrap{max-width:1180px;margin:0 auto;padding:0 40px;}
.eyebrow{font-family:var(--font-mono);font-size:12px;font-weight:500;letter-spacing:.16em;
  text-transform:uppercase;color:var(--accent);display:inline-flex;align-items:center;gap:14px;}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--accent);opacity:.6;}
a{color:inherit;text-decoration:none;}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(16px);transition:opacity var(--dur-reveal) var(--ease-out),transform var(--dur-reveal) var(--ease-out);}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none;}}

/* buttons */
.btn{font-family:var(--font-body);font-size:17px;font-weight:500;padding:12px 24px;border-radius:4px;
  border:1px solid transparent;display:inline-flex;align-items:center;gap:9px;cursor:pointer;line-height:1;
  transition:background var(--dur-fast) var(--ease-in-out),border-color var(--dur-fast),transform var(--dur-fast);white-space:nowrap;}
.btn-primary{background:var(--brick-500);color:#FBF8F1;}
.btn-primary:hover{background:var(--brick-600);}
.btn-primary:active{background:var(--brick-700);transform:translateY(1px);}
.btn-secondary{background:transparent;color:var(--ink-900);border-color:var(--line-strong);}
.btn-secondary:hover{border-color:var(--ink-900);}
.btn-ghost{background:transparent;color:var(--brick-600);padding:8px 4px;}
.btn-ghost .u{border-bottom:1px solid currentColor;padding-bottom:2px;}

/* nav */
.nav{position:sticky;top:0;z-index:40;background:color-mix(in oklab,var(--paper-1) 86%,transparent);
  backdrop-filter:saturate(1.1) blur(8px);border-bottom:1px solid var(--border-soft);}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:74px;}
.brand{display:flex;align-items:center;gap:13px;}
.brand img{width:38px;height:38px;}
.brand .nm{font-family:var(--font-display);font-weight:500;font-size:24px;letter-spacing:-.01em;color:var(--ink-900);line-height:1;}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-links a{font-size:16px;color:var(--ink-700);position:relative;padding:4px 0;white-space:nowrap;}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--accent);transition:width var(--dur-base) var(--ease-out);}
.nav-links a:hover{color:var(--ink-900);}
.nav-links a:hover::after{width:100%;}
.nav-right{display:flex;align-items:center;gap:18px;}
.lang{font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--ink-400);display:flex;gap:6px;}
.lang button{background:none;border:none;cursor:pointer;font:inherit;color:var(--ink-400);padding:0;}
.lang button.on{color:var(--brick-600);}
.burger{display:none;background:none;border:none;cursor:pointer;color:var(--ink-900);}

/* hero */
.hero{padding:88px 0 64px;position:relative;overflow:hidden;}
.hero-text{max-width:760px;}
.hero h1{font-family:var(--font-display);font-weight:500;font-size:clamp(54px,7.4vw,108px);line-height:.97;
  letter-spacing:-.02em;color:var(--ink-900);margin:22px 0 0;text-wrap:balance;}
.hero .lead{font-size:22px;line-height:1.6;color:var(--ink-500);max-width:50ch;margin:26px 0 32px;}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;}
.hero-plate{margin:64px 0 0;border:1px solid var(--line-strong);background:var(--paper-0);padding:14px;box-shadow:var(--shadow-md);}
.hero-plate-img{background:var(--paper-0);overflow:hidden;display:flex;align-items:center;justify-content:center;padding:10px 8px;}
.hero-plate-img img{width:100%;height:auto;display:block;max-height:340px;object-fit:contain;}
.plate{border:1px solid var(--line-strong);background:var(--paper-0);padding:14px;box-shadow:var(--shadow-md);}
.plate-img{aspect-ratio:4/3;background:var(--paper-0);display:flex;align-items:center;justify-content:center;overflow:hidden;}
.plate-img img{width:100%;height:100%;object-fit:contain;}
.plate-cap{display:flex;justify-content:space-between;align-items:baseline;margin-top:11px;padding-top:9px;border-top:1px solid var(--line);}
.plate-cap .t{font-family:var(--font-body);font-style:italic;font-size:14px;color:var(--ink-500);}
.plate-cap .c{font-family:var(--font-mono);font-size:11px;letter-spacing:.05em;color:var(--ink-400);}

/* sections */
.section{padding:96px 0;}
.section-head{max-width:60ch;margin-bottom:48px;}
.section-head h2{font-family:var(--font-display);font-weight:500;font-size:clamp(34px,4.4vw,52px);line-height:1.08;
  letter-spacing:-.015em;color:var(--ink-900);margin:18px 0 0;text-wrap:balance;}

/* manifesto */
.manifesto{background:var(--paper-2);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.manifesto blockquote{margin:0;max-width:620px;}
.manifesto .q{font-family:var(--font-display);font-style:italic;font-weight:400;font-size:clamp(34px,4.6vw,56px);
  line-height:1.14;color:var(--ink-900);letter-spacing:-.01em;}
.manifesto-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:56px;align-items:end;}
.manifesto p{font-size:19px;line-height:1.66;color:var(--ink-500);max-width:42ch;margin:0;}

/* offres — timeline horizontale : la suite logique se lit de gauche à droite */
.timeline{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:26px;}
.timeline::before{content:'';position:absolute;left:12px;right:12px;top:32px;
  border-top:1.5px dashed var(--ink-900);opacity:.35;}
.tl-step{cursor:pointer;position:relative;}
.tl-ic{width:64px;height:64px;border-radius:50%;border:1.5px dashed var(--ink-900);
  display:flex;align-items:center;justify-content:center;
  background:var(--paper-0);position:relative;z-index:1;margin-bottom:20px;}
.dot-ic-gold{opacity:0;transform:scale(.6);transform-origin:60% 60%;
  transition:opacity .28s ease,transform .34s cubic-bezier(.2,.9,.3,1.15);}
.tl-step:hover .dot-ic-gold{opacity:1;transform:scale(1);}
.tl-body h3{font-family:var(--font-display);font-weight:500;font-size:21px;
  letter-spacing:-.01em;color:var(--ink-900);margin:8px 0 8px;position:relative;display:inline-block;}
.tl-body h3::after{content:'';position:absolute;left:0;bottom:-2px;height:2.5px;width:0;
  background:var(--maelstrom);transition:width .3s ease;}
.tl-step:hover .tl-body h3::after{width:100%;}
.tl-body p{font-size:14.5px;line-height:1.55;color:var(--ink-500);margin:0;}
.tl-price{display:inline-block;margin-top:12px;font-family:var(--font-mono);font-size:12.5px;
  letter-spacing:.04em;color:var(--ink-500);}

/* format cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.fcard{background:var(--paper-0);border:1px solid var(--border);border-radius:6px;padding:30px 28px 32px;
  box-shadow:var(--shadow-sm);transition:box-shadow var(--dur-base) var(--ease-out),transform var(--dur-base) var(--ease-out);}
.fcard:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);}
.fcard .ic{color:var(--brick-500);margin-bottom:22px;}
.fcard .kick{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-400);}
.fcard h3{font-family:var(--font-display);font-weight:500;font-size:28px;line-height:1.1;color:var(--ink-900);margin:9px 0 12px;letter-spacing:-.01em;}
.fcard p{font-size:16px;line-height:1.55;color:var(--ink-500);margin:0;}

/* writings list */
.wlist{border-top:1px solid var(--line);}
.wrow{text-decoration:none;color:inherit;display:grid;grid-template-columns:64px 1fr auto auto;gap:24px;align-items:baseline;padding:13px 8px;
  border-bottom:1px solid var(--line);transition:padding-left var(--dur-base) var(--ease-out),background var(--dur-base);cursor:pointer;}
.wrow:hover{padding-left:20px;background:color-mix(in oklab,var(--paper-2) 60%,transparent);}
.wrow .cote{font-family:var(--font-mono);font-size:13px;color:var(--brick-500);}
.wrow .wt{font-family:var(--font-display);font-weight:500;font-size:22px;color:var(--ink-900);letter-spacing:-.01em;line-height:1.15;}
.wrow .meta{font-family:var(--font-mono);font-size:12px;color:var(--ink-400);letter-spacing:.03em;}
.wrow .arr{color:var(--ink-300);transition:color var(--dur-base),transform var(--dur-base) var(--ease-out);}
.wrow:hover .arr{color:var(--brick-500);transform:translateX(4px);}

/* about */
.about-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:center;}
.about-grid .plate-img img{object-position:top center;}
.about p{font-size:20px;line-height:1.68;color:var(--ink-700);max-width:46ch;margin:18px 0 24px;}
.stats{display:flex;gap:40px;margin-top:30px;border-top:1px solid var(--line);padding-top:24px;}
.stats .n{font-family:var(--font-display);font-weight:500;font-size:40px;color:var(--brick-600);line-height:1;}
.stats .l{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-400);margin-top:8px;}
.portrait{aspect-ratio:4/5;}

/* footer (nocturne) */
.footer{background:var(--night-900);color:var(--paper-on-night);padding:80px 0 38px;position:relative;overflow:hidden;}
.footer-motif{position:absolute;right:-60px;bottom:-120px;width:560px;opacity:.10;pointer-events:none;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:48px;position:relative;}
.footer .nm{font-family:var(--font-display);font-weight:500;font-size:30px;color:var(--paper-on-night);letter-spacing:-.01em;}
.footer .news{font-size:17px;color:var(--ink-on-night-2);max-width:34ch;margin:14px 0 22px;line-height:1.55;}
.news-form{display:flex;gap:0;max-width:380px;border:1px solid var(--line-night);border-radius:4px;overflow:hidden;}
.news-form input{flex:1;background:var(--night-800);border:none;color:var(--paper-on-night);font-family:var(--font-body);font-size:15px;padding:12px 14px;outline:none;}
.news-form input::placeholder{color:var(--ink-on-night-2);}
.news-form button{background:var(--gold) url(ds/assets/img/grain.png?v=3);background-size:128px;color:var(--night-900);border:none;font-family:var(--font-body);font-weight:600;font-size:15px;padding:0 20px;cursor:pointer;}
.fcol h4{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin:0 0 16px;}
.fcol a{display:block;color:var(--ink-on-night-2);font-size:16px;padding:6px 0;transition:color var(--dur-fast);}
.fcol a:hover{color:var(--paper-on-night);}
.footer-base{display:flex;justify-content:space-between;align-items:center;margin-top:56px;padding-top:24px;
  border-top:1px solid var(--line-night);position:relative;}
.footer-base span{font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--ink-on-night-2);}

/* modal */
.scrim{position:fixed;inset:0;background:rgba(20,17,11,.5);backdrop-filter:blur(3px);z-index:60;
  display:flex;align-items:center;justify-content:center;padding:24px;animation:fade var(--dur-base) var(--ease-out);}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal{background:var(--paper-0);border:1px solid var(--line-strong);border-radius:8px;box-shadow:var(--shadow-lg);
  width:520px;max-width:100%;padding:34px 34px 30px;animation:pop var(--dur-base) var(--ease-out);}
@keyframes pop{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.modal h3{font-family:var(--font-display);font-weight:500;font-size:34px;color:var(--ink-900);margin:6px 0 6px;letter-spacing:-.01em;}
.modal .sub{font-size:16px;color:var(--ink-500);margin:0 0 22px;line-height:1.5;}
.modal-head{display:flex;justify-content:space-between;align-items:flex-start;}
.modal-close{background:none;border:none;cursor:pointer;color:var(--ink-400);padding:4px;}
.field{margin-bottom:15px;}
.field label{display:block;font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-500);margin-bottom:7px;}
.field input,.field textarea{width:100%;font-family:var(--font-body);font-size:16px;color:var(--ink-900);
  background:var(--paper-1);border:1px solid var(--line-strong);border-radius:4px;padding:11px 13px;outline:none;
  transition:border-color var(--dur-fast),box-shadow var(--dur-fast);}
.field input:focus,.field textarea:focus{border-color:var(--brick-500);box-shadow:0 0 0 3px var(--focus-ring);}
.modal .btn-primary{width:100%;justify-content:center;margin-top:8px;}
.sent{text-align:center;padding:30px 0;}
.sent .ic{color:var(--olive-500);margin-bottom:14px;}
.sent p{font-family:var(--font-display);font-style:italic;font-size:24px;color:var(--ink-900);margin:0;}

/* mobile */
.mobile-menu{display:none;}
@media (max-width:900px){
  .wrap{padding:0 24px;}
  .nav-links,.nav-right .btn{display:none;}
  .burger{display:block;}
  .hero-grid,.manifesto-grid,.about-grid{grid-template-columns:1fr;gap:36px;}
  .cards{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr;gap:34px;}
  .timeline::before{left:23px;right:auto;top:26px;bottom:26px;border-top:none;
    border-left:1.5px dashed var(--ink-900);}
  .tl-step{display:grid;grid-template-columns:48px 1fr;gap:20px;}
  .tl-ic{width:48px;height:48px;margin-bottom:0;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .hero h1{font-size:clamp(44px,12vw,72px);}
  .mobile-menu.open{display:flex;flex-direction:column;gap:4px;padding:12px 24px 20px;border-top:1px solid var(--border-soft);background:var(--paper-1);}
  .mobile-menu a{padding:12px 0;font-size:18px;border-bottom:1px solid var(--border-soft);color:var(--ink-800);}
}

/* scrollytelling — bifurcation */
.scrolly{height:520vh;position:relative;background:var(--paper-1);}
.scrolly-sticky{position:sticky;top:0;height:100vh;overflow:hidden;}
.scrolly-canvas{position:absolute;inset:0;width:100%;height:100%;display:block;}
.scrolly-phrases{position:absolute;top:110px;left:min(6vw,80px);width:min(44ch,42vw);pointer-events:none;}
.scrolly-phrase{position:absolute;top:0;left:0;width:100%;margin:0;font-family:var(--font-display);
  font-size:clamp(22px,2.3vw,32px);line-height:1.4;color:var(--ink-900);
  opacity:0;transform:translateY(12px);transition:opacity .55s ease,transform .55s ease;
  text-shadow:0 0 10px #fff,0 0 22px #fff,0 0 36px #fff;}
.scrolly-phrase.on{opacity:1;transform:none;}
.scrolly-phrase .k{font-style:italic;color:var(--maelstrom-text);}