/* TRST CULTURE — accueil P3 « Triptyque » + barre unique v3.
   Tout est préfixé .tch- ; variables --tch-* seulement dans :root.
   Charte : radius 0, aucune ombre, noir/blanc, un seul jaune par écran. */

/* Variables de repli pour la marge latérale mobile. */
.tch-bar,.tch-set,dialog.tch-srch,dialog.tch-menu,.tch-hero{--tch-sl:max(20px,env(safe-area-inset-left,0px));--tch-sr:max(20px,env(safe-area-inset-right,0px))}

:root{
  --tch-black:#000;--tch-white:#fff;--tch-accent:#F8DA00;--tch-muted:#6B6B6B;
  --tch-f-display:'Archivo','Arial Narrow',Arial,sans-serif;
  --tch-f-body:'Hanken Grotesk',system-ui,-apple-system,sans-serif;
  --tch-ease:cubic-bezier(.77,0,.18,1);--tch-bar:56px;
  --tch-sl:max(20px,env(safe-area-inset-left,0px));--tch-sr:max(20px,env(safe-area-inset-right,0px));
}

/* ---------- barre unique v3 ---------- */
.tch-bar{position:fixed;z-index:60;top:0;left:0;right:0;height:var(--tch-bar);box-sizing:content-box;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;padding-inline:var(--tch-sl) var(--tch-sr);padding-top:env(safe-area-inset-top,0px);color:var(--tch-white);background:transparent;transition:background .35s ease,transform .45s var(--tch-ease)}
.tch-bar.tch-solid{background:rgba(0,0,0,.92)}
@supports (backdrop-filter:blur(12px)){.tch-bar.tch-solid{background:rgba(0,0,0,.72);backdrop-filter:saturate(180%) blur(16px)}}
.tch-bar.tch-hide{transform:translateY(-100%)}
.tch-bar__l{display:flex;align-items:center;gap:4px;min-width:0}
.tch-bar__r{display:flex;align-items:center;justify-content:flex-end;gap:4px;min-width:0}
.tch-logo{display:inline-flex;align-items:center;justify-self:center;color:inherit;text-decoration:none;min-height:44px}
.tch-logo svg{height:26px;width:auto;display:block}
.tch-ib{display:inline-grid;place-items:center;min-width:44px;min-height:44px;background:none;border:0;padding:0 6px;position:relative;color:inherit;cursor:pointer;text-decoration:none}
.tch-ib svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:square}
.tch-cart__n{position:absolute;top:6px;right:2px;min-width:16px;height:16px;padding:0 4px;background:var(--tch-white);color:var(--tch-black);font:700 10px/16px var(--tch-f-display);text-align:center}
.tch-chip{white-space:nowrap;min-height:44px;padding:0 10px;background:none;border:0;font:700 11px var(--tch-f-display);letter-spacing:.12em;text-transform:uppercase;display:inline-flex;align-items:center;gap:6px;color:inherit;cursor:pointer}
.tch-chip i{width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translate(-2px,-2px);display:block}

/* ---------- puce langue · devise ---------- */
.tch-set{position:fixed;z-index:80;top:calc(var(--tch-bar) + env(safe-area-inset-top,0px) - 4px);right:var(--tch-sr);width:300px;max-width:calc(100vw - 2*var(--tch-sr));background:var(--tch-white);color:var(--tch-black);padding:20px;display:none;gap:16px;border:1px solid var(--tch-black)}
.tch-set.tch-open{display:grid}
.tch-set h3{font:700 11px var(--tch-f-display);letter-spacing:.14em;color:var(--tch-muted);margin:0 0 8px;line-height:1.2;text-transform:uppercase}
.tch-seg{display:flex;border:1px solid var(--tch-black)}
.tch-seg button{flex:1;min-height:44px;background:var(--tch-white);border:0;border-right:1px solid var(--tch-black);font:700 12px var(--tch-f-display);letter-spacing:.08em;color:var(--tch-black);cursor:pointer}
.tch-seg button:last-child{border-right:0}
.tch-seg button[aria-pressed="true"]{background:var(--tch-black);color:var(--tch-white)}
.tch-set small{color:var(--tch-muted);font-size:12px;line-height:1.4}

/* ---------- dialogue recherche plein écran ---------- */
dialog.tch-srch{margin:0;padding:0;border:0;max-width:none;max-height:100svh;width:100%;inset:0 0 auto 0;background:var(--tch-black);color:var(--tch-white);overflow:auto}
dialog.tch-srch::backdrop{background:rgba(0,0,0,.6)}
.tch-srch__x{max-width:1100px;margin:0 auto;padding:calc(24px + env(safe-area-inset-top,0px)) var(--tch-sl) 40px;display:grid;gap:16px}
.tch-srch__row{display:flex;gap:12px;align-items:center;border-bottom:2px solid var(--tch-white)}
.tch-srch__row input{flex:1;min-width:0;background:none;border:0;color:var(--tch-white);font:700 clamp(24px,5vw,44px) var(--tch-f-display);text-transform:uppercase;padding:12px 0;outline:none;letter-spacing:.01em}
.tch-srch__row input::placeholder{color:#777}
.tch-srch__row input::-webkit-search-cancel-button,.tch-srch__row input::-webkit-search-decoration{-webkit-appearance:none;display:none}
.tch-srch__esc{font:500 11px var(--tch-f-display);letter-spacing:.12em;color:#888;text-transform:uppercase;margin:0}

/* ---------- dialogue menu plein écran ---------- */
dialog.tch-menu{margin:0;padding:0;border:0;max-width:none;max-height:none;width:100%;height:100%;background:var(--tch-black);color:var(--tch-white)}
dialog.tch-menu::backdrop{background:var(--tch-black)}
.tch-menu__x{height:100%;box-sizing:border-box;display:grid;grid-template-rows:auto 1fr auto;padding:calc(12px + env(safe-area-inset-top,0px)) var(--tch-sl) calc(24px + env(safe-area-inset-bottom,0px)) var(--tch-sr)}
.tch-menu__top{display:flex;justify-content:space-between;align-items:center;height:var(--tch-bar)}
.tch-menu__list{list-style:none;margin:0;padding:0;display:grid;align-content:center;gap:4px}
.tch-menu__list a{display:block;font:900 clamp(40px,9vw,92px)/1.02 var(--tch-f-display);text-transform:uppercase;text-decoration:none;overflow:hidden}
.tch-menu__list a span{display:inline-block;transform:translateY(105%);transition:transform .8s var(--tch-ease)}
dialog.tch-menu[open] .tch-menu__list a span{transform:none}
.tch-menu__list li:nth-child(2) a span{transition-delay:.05s}
.tch-menu__list li:nth-child(3) a span{transition-delay:.1s}
.tch-menu__list li:nth-child(4) a span{transition-delay:.15s}
.tch-menu__list li:nth-child(5) a span{transition-delay:.2s}
.tch-menu__list li:nth-child(6) a span{transition-delay:.25s}
.tch-menu__foot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#aaa;font-size:13px}

/* ---------- couverture triptyque ---------- */
.tch-hero{position:relative;height:100svh;min-height:600px;background:var(--tch-black);overflow:hidden}
.tch-hero h1,.tch-hero h2{font-family:var(--tch-f-display);text-transform:uppercase;margin:0;line-height:.92;letter-spacing:-.01em;color:var(--tch-white)}
.tch-tri{position:absolute;inset:0;display:grid;grid-template-columns:repeat(3,1fr);gap:2px}
.tch-pn{position:relative;overflow:hidden}
.tch-pn img{position:absolute;left:0;top:-8%;width:100%;height:116%;object-fit:cover;object-position:50% 30%;will-change:transform}
.tch-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.82),rgba(0,0,0,.05) 62%),linear-gradient(to bottom,rgba(0,0,0,.5),transparent 20%)}
.tch-hero__t{position:absolute;z-index:2;left:0;right:0;bottom:max(76px,env(safe-area-inset-bottom,0px));display:grid;gap:24px;justify-items:center;text-align:center;padding-inline:var(--tch-sl) var(--tch-sr)}
.tch-hero__t h1{font-size:clamp(46px,10vw,168px);font-weight:900}
.tch-hero__acts{display:flex;gap:20px;flex-wrap:wrap;justify-content:center;align-items:center}
.tch-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;border:1px solid var(--tch-white);color:var(--tch-white);font:700 12px var(--tch-f-display);letter-spacing:.12em;text-transform:uppercase;padding:0 28px;text-decoration:none;background:transparent;transition:background .2s,color .2s}
.tch-btn:hover,.tch-btn:focus-visible{background:var(--tch-white);color:var(--tch-black);outline:none}
.tch-btn--solid{background:var(--tch-white);color:var(--tch-black)}
.tch-btn--solid:hover,.tch-btn--solid:focus-visible{background:var(--tch-black);color:var(--tch-white)}
.tch-lnk{font:700 12px var(--tch-f-display);letter-spacing:.12em;text-transform:uppercase;text-decoration:none;border-bottom:1px solid currentColor;padding:6px 0;align-self:center;color:var(--tch-white)}
.tch-proof{margin:0;font-size:12px;letter-spacing:.06em;color:rgba(255,255,255,.75)}
.tch-mask{display:block;overflow:hidden}
.tch-mask>span{display:inline-block}

/* bandeau défilant jaune — seul élément jaune de l'écran */
.tch-mq{position:absolute;z-index:3;left:0;right:0;bottom:0;height:48px;background:var(--tch-accent);color:var(--tch-black);overflow:hidden;display:flex;align-items:center;border-top:1px solid var(--tch-black)}
.tch-mq>div{display:flex;gap:40px;white-space:nowrap;font:800 12px var(--tch-f-display);letter-spacing:.18em;text-transform:uppercase;padding-left:40px}
@keyframes tch-mq{to{transform:translateX(-50%)}}

/* ---------- mouvement par palier (tier défini par tc-home-p3.js) ---------- */
[data-tch-tier="1"] .tch-mask>span,[data-tch-tier="2"] .tch-mask>span{transform:translateY(105%);transition:transform 1s var(--tch-ease)}
.tch-hero.tch-in .tch-mask>span{transform:none!important}
.tch-rise{opacity:0;transform:translateY(16px);transition:opacity .8s ease .5s,transform .9s var(--tch-ease) .5s}
.tch-hero.tch-in .tch-rise{opacity:1;transform:none}
[data-tch-tier="0"] .tch-rise{opacity:1;transform:none;transition:none}
[data-tch-tier="0"] .tch-mask>span{transform:none;transition:none}
[data-tch-tier="2"] .tch-mq>div{animation:tch-mq 28s linear infinite}

/* ---------- accessibilité ---------- */
.tch-bar :focus-visible,.tch-hero :focus-visible,.tch-set :focus-visible,.tch-menu :focus-visible,.tch-srch :focus-visible{outline:2px solid currentColor;outline-offset:3px}

/* ---------- mobile (< 1000 px) ---------- */
@media (max-width:999px){
  .tch-bar,.tch-set,dialog.tch-srch,dialog.tch-menu,.tch-hero{--tch-sl:max(16px,env(safe-area-inset-left,0px));--tch-sr:max(16px,env(safe-area-inset-right,0px))}
  .tch-bar{grid-template-columns:auto 1fr auto;gap:4px}
  .tch-logo{justify-self:start}
  .tch-logo svg{height:22px}
  .tch-chip{padding:0 4px;font-size:10px}
  .tch-set{left:var(--tch-sl);right:var(--tch-sr);width:auto;max-width:none}
  .tch-tri{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none}
  .tch-tri::-webkit-scrollbar{display:none}
  .tch-pn{flex:0 0 74%;scroll-snap-align:center}
  .tch-hero__t{bottom:max(72px,env(safe-area-inset-bottom,0px))}
}
@media (prefers-reduced-motion:reduce){
  [class*="tch-"]{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* barre sur les pages hors accueil : toujours pleine, espace réservé sous la barre fixe */
.tch-bar--page,.tch-bar--page.tch-solid{background:#000;-webkit-backdrop-filter:none;backdrop-filter:none;color:#fff}
.tch-bar-spacer{height:calc(var(--tch-bar) + env(safe-area-inset-top,0px))}