/* S&T Agency 2026 · "editorial dark" layer (structure inspired by big-network agency sites, S&T identity kept).
   Loaded after site.css: full black canvas, a single orange accent, hairline dividers, rectangular orange buttons. */
:root{--line:rgba(243,242,237,.16);--line-2:rgba(243,242,237,.32)}

/* ---------- header: wordmark left, languages + menu right, full-screen menu at every width ---------- */
.top{padding-block:calc(18px + env(safe-area-inset-top,0px)) 18px;align-items:flex-start;transition:background .3s,padding .3s}
.top.solid,.top.always{padding-block:calc(10px + env(safe-area-inset-top,0px)) 10px}
.brand{display:block;width:clamp(150px,17vw,250px);transition:width .4s var(--ease);position:relative;z-index:2}
.top.solid .brand,.top.always .brand{width:clamp(120px,11vw,160px)}
.brand img{width:100%;height:auto}
.tr{display:flex;align-items:center;gap:18px;position:relative;z-index:2}
.top .langs{margin:0;gap:12px}
.top .langs a{border:0;padding:6px 0;min-width:0;font-size:16px;color:var(--paper);border-bottom:2px solid transparent;border-radius:0}
.top .langs a[aria-current="true"]{background:none;color:var(--orange);border-bottom-color:var(--orange)}
.top .langs a:hover{color:var(--orange)}
.burger{display:inline-flex;align-items:center;gap:10px;border:0;padding:8px 0;color:var(--paper);font-size:16px}
.burger .bars{display:grid;gap:5px;width:26px}
.burger .bars i{display:block;height:2px;background:currentColor;transition:transform .35s var(--ease),opacity .2s}
.burger .bars i:nth-child(2){width:80%;justify-self:end}
.burger[aria-expanded="true"] .bars i:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] .bars i:nth-child(2){opacity:0}
.burger[aria-expanded="true"] .bars i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.burger:hover{color:var(--orange)}
.nav{position:fixed;inset:0;z-index:1;background:var(--ink);display:flex;flex-direction:column;justify-content:center;align-items:stretch;gap:30px;padding:120px var(--gr) 40px var(--gl);opacity:0;pointer-events:none;transition:opacity .35s}
.nav.open{opacity:1;pointer-events:auto}
.navlist{list-style:none;margin:0;padding:0;display:grid;border-top:1px solid var(--line)}
.navlist li{border-bottom:1px solid var(--line)}
.nav .navlist a{display:flex;align-items:baseline;gap:18px;padding:10px 0;font:800 clamp(44px,8vw,110px)/.95 var(--f);text-transform:uppercase;color:var(--paper);text-decoration:none;transition:color .2s,transform .4s var(--ease)}
.nav .navlist a .no{font:600 16px/1 var(--f);color:var(--orange-soft);min-width:28px}
.nav .navlist a:hover,.nav .navlist a[aria-current="page"]{color:var(--orange);transform:translateX(10px)}
.navfoot{display:flex;flex-wrap:wrap;gap:8px 28px;font:500 17px/1.4 var(--f);color:var(--orange-soft)}
.navfoot a{text-decoration:none}.navfoot a:hover{color:var(--paper)}
.nav .navlist li{opacity:0;transform:translateY(20px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.nav.open .navlist li{opacity:1;transform:none}
.nav.open .navlist li:nth-child(2){transition-delay:.04s}.nav.open .navlist li:nth-child(3){transition-delay:.08s}
.nav.open .navlist li:nth-child(4){transition-delay:.12s}.nav.open .navlist li:nth-child(5){transition-delay:.16s}
@media (max-width:900px){.nav a{font-size:inherit}.langs{margin:0}}
@media (max-width:480px){.burger .lb{display:none}.top .langs{gap:9px}.top .langs a{font-size:15px}}

/* ---------- fixed dock (bottom-left / bottom-right) + scroll progress ---------- */
.dock{position:fixed;left:var(--gl);right:var(--gr);bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:30;display:flex;justify-content:space-between;align-items:center;pointer-events:none}
.dock a{pointer-events:auto;text-decoration:none;font:700 17px/1 var(--f);text-transform:uppercase;letter-spacing:.04em;color:var(--paper)}
.dk-start{border-bottom:2px solid var(--orange);padding-bottom:5px;transition:color .2s}
.dk-start:hover{color:var(--orange)}
.dk-help{display:flex;align-items:center;gap:12px}
.dk-help svg{width:44px;height:auto;transition:transform .35s var(--ease)}
.dk-help:hover svg{transform:rotate(-8deg) scale(1.08)}
.dk-help:hover span{color:var(--orange)}
.prog{position:fixed;left:calc(var(--gl) - 6px);top:50%;transform:translateY(-50%);z-index:29;display:grid;justify-items:center;gap:12px;pointer-events:none;mix-blend-mode:difference}
.prog span{writing-mode:vertical-rl;rotate:180deg;font:600 12px/1 var(--f);letter-spacing:.14em;text-transform:uppercase;color:var(--paper)}
.prog i{display:block;width:2px;height:90px;background:linear-gradient(var(--orange) 0 0) 0 0/100% calc(var(--p,0)*100%) no-repeat,var(--line-2)}
@media (max-width:900px){.prog{display:none}}
@media (max-width:480px){.dk-help span{display:none}.dock a{font-size:15px}}
body{padding-bottom:0}
.foot{padding-bottom:calc(84px + env(safe-area-inset-bottom,0px))}

/* ---------- dark canvas everywhere ---------- */
.panels{background:var(--ink);color:var(--paper)}
.panel{border-top:1px solid var(--line)}
.panel h2{color:var(--orange);font-size:clamp(56px,10vw,170px)}
.panel h2.mid{color:var(--orange)}
.cols > div{border-top:1px solid var(--line-2)}
.cols h3{color:var(--paper)}
.chips li{border:1px solid var(--line-2)}
.round{background:var(--orange);color:var(--ink)}
.ref{border-top:1px solid var(--line);color:var(--paper)}
.ref:last-child{border-bottom:1px solid var(--line)}
.ref:hover .nm,.ref:focus-visible .nm{color:var(--orange)}
.ref .k{color:var(--orange-soft)}
.ref .pi{color:var(--orange)}
.ref:hover .pi,.ref:focus-visible .pi{color:var(--paper);--pbg:var(--ink)}
.ref:hover .pi .sw .solid,.ref:focus-visible .pi .sw .solid{fill:var(--paper)}
.ref.you .nm{color:var(--orange)}
.btn{border-radius:2px;border:2px solid var(--paper);color:var(--paper);font-size:clamp(19px,1.8vw,26px);padding:15px 24px}
.btn.solid{background:var(--orange);border-color:var(--orange);color:var(--paper)}
.btn.solid:hover{background:var(--ink);border-color:var(--paper);color:var(--paper)}
.btn.line:hover{background:var(--paper);color:var(--ink)}
.coords a{border-bottom:1px solid var(--line-2)}
.coords a:hover{border-color:var(--orange);color:var(--orange)}
.coords b{color:var(--orange-soft)}
.steps li{border-top:1px solid var(--line)}
.steps li:last-child{border-bottom:1px solid var(--line)}
.steps li::before{color:var(--orange)}
.member{border-top:1px solid var(--line-2)}
.member .l{color:var(--orange)}
.member .l span{color:var(--paper)}
.member .role{color:var(--orange-soft)}
.svcgrid{background:var(--line);border:1px solid var(--line);gap:1px}
.svc{background:var(--ink);color:var(--paper)}
.svc .picto{color:var(--orange)}
.svc:hover,.svc:focus-visible{background:var(--ink-2)}
.svc:hover h3,.svc:focus-visible h3{color:var(--orange)}
.svc .go{color:var(--orange)}
.picto{--pbg:var(--ink)}
.svc:hover .picto,.svc:focus-visible .picto{--pbg:var(--ink-2)}
.process{border-color:var(--line)}
.step+.step{border-color:var(--line)}
.step{color:var(--paper)}
.step .picto{color:var(--orange)}
.step .no{color:var(--orange-soft)}
.step:hover,.step:focus-visible,.step.play{background:var(--ink-2);color:var(--paper)}
.step:hover .picto,.step:focus-visible .picto,.step.play .picto{--pbg:var(--ink-2)}
.step:hover h3,.step:focus-visible h3,.step.play h3{color:var(--orange)}
.step:not(:last-child)::after{background-color:var(--orange);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M8 12h8M13 8l4 4-4 4' fill='none' stroke='%23111312' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
@media (max-width:1000px){.step+.step{border-top:1px solid var(--line)}}
.legal-dl dt{color:var(--orange-soft)}
.head{padding-top:calc(170px + env(safe-area-inset-top,0px))}
.head .lead{color:var(--paper)}
.sign{border-top:1px solid var(--line)}

/* ---------- project cards (staggered, two columns) ---------- */
.wcards{display:grid;grid-template-columns:1fr 1fr;column-gap:clamp(24px,5vw,90px);row-gap:clamp(40px,6vw,90px);max-width:1300px;padding-bottom:12vw}
.wcard{display:grid;gap:12px;text-decoration:none;color:var(--paper);cursor:none}
.wcard:nth-child(even){transform:translateY(12vw)}
.wimg{position:relative;display:block;overflow:hidden;border-radius:4px;background:var(--ink-2);aspect-ratio:4/3}
.wcard:nth-child(4n+1) .wimg,.wcard:nth-child(4n+4) .wimg{aspect-ratio:4/5}
.wimg img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease),filter .6s}
.wcard.fit .wimg img{object-fit:contain;padding:6%}
.wcard:hover .wimg img{transform:scale(1.05)}
.wk{font:600 15px/1.2 var(--f);text-transform:uppercase;letter-spacing:.05em;color:var(--orange-soft)}
.wn{font:800 clamp(30px,3.4vw,54px)/.92 var(--f);text-transform:uppercase;color:var(--orange);transition:color .25s}
.wcard:hover .wn{color:var(--paper)}
.wcard .play{position:absolute;left:18px;bottom:18px;width:54px;height:54px;border-radius:50%;background:var(--orange);color:var(--ink);display:grid;place-items:center;font-size:18px}
.wcard.you .wimg{display:grid;place-items:center;background:var(--orange)}
.wcard.you .q{font:800 clamp(140px,18vw,280px)/1 var(--f);color:var(--ink);transition:transform .6s var(--ease)}
.wcard.you:hover .q{transform:rotate(-10deg) scale(1.08)}
.wcard.you .wn{color:var(--paper)}
@media (hover:none){.wcard{cursor:pointer}}
@media (max-width:700px){.wcards{grid-template-columns:1fr;padding-bottom:0}.wcard:nth-child(even){transform:none}}
.cursor{position:fixed;left:0;top:0;z-index:35;width:96px;height:96px;margin:-48px 0 0 -48px;border-radius:50%;background:var(--orange);color:var(--paper);display:grid;place-items:center;font:800 18px/1 var(--f);text-transform:uppercase;letter-spacing:.06em;pointer-events:none;scale:0;transition:scale .35s var(--ease)}
.cursor.on{scale:1}
/* the header's blur would trap the fixed menu inside it: drop it while the menu is open */
body.menu-open .top{backdrop-filter:none;-webkit-backdrop-filter:none;background:transparent}
body.menu-open .dock,body.menu-open .prog{opacity:0;pointer-events:none}
.jstick{grid-template-rows:auto 1fr}
.prog{left:6px}
@media (max-width:1200px){.prog{display:none}}
/* full width on large screens */
.wcards,.whead{max-width:none}
@media (min-width:1300px){
  .wcards{grid-template-columns:repeat(3,minmax(0,1fr));padding-bottom:8vw}
  .wcard:nth-child(even){transform:none}
  .wcard:nth-child(3n+2){transform:translateY(8vw)}
  .wcard .wimg,.wcard:nth-child(4n+1) .wimg,.wcard:nth-child(4n+4) .wimg{aspect-ratio:4/3}
  .wcard:nth-child(3n+1) .wimg{aspect-ratio:4/5}
}