/* NULI responsive layer: modern spacing, mobile navigation and compact product storytelling. */
:root{--mobile-gutter:clamp(20px,6vw,7vw)}
html{scroll-behavior:smooth;overflow-x:hidden}
body{overflow-x:hidden}
.topbar{z-index:20}
.menu{position:relative;z-index:22;transition:transform .25s ease}
.menu[aria-expanded="true"] span:first-child{transform:translateY(4px) rotate(45deg)}
.menu[aria-expanded="true"] span:last-child{transform:translateY(-4px) rotate(-45deg)}
.skins-showcase{position:relative;overflow:hidden}
.skins-showcase:before{content:"";position:absolute;width:42vw;height:42vw;max-width:620px;max-height:620px;border:1px solid rgba(216,255,88,.12);border-radius:50%;right:-18vw;top:-25vw;pointer-events:none}
.skins-image{transition:transform .45s ease,box-shadow .45s ease}
.skins-image:hover{transform:translateY(-6px);box-shadow:0 34px 90px rgba(0,0,0,.4)}
.button,.text-link,.mood-card,.feature-row article{transition:transform .25s ease,background-color .25s ease,border-color .25s ease}
.button:focus-visible,.text-link:focus-visible,.menu:focus-visible,.mood-card:focus-visible{outline:2px solid var(--lime);outline-offset:5px}

@media(max-width:800px){
  .topbar{padding:18px var(--mobile-gutter)}
  .brand{font-size:14px}
  .nav{position:fixed;left:0;right:0;top:64px;display:flex;flex-direction:column;gap:0;padding:10px var(--mobile-gutter) 18px;background:rgba(7,16,20,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(18px);transform:translateY(-130%);opacity:0;pointer-events:none;transition:transform .3s ease,opacity .3s ease;z-index:19}
  .menu-open .nav{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav a{padding:15px 0;border-bottom:1px solid var(--line);font-size:11px;letter-spacing:.12em}
  .nav a:last-child{border-bottom:0}
  .hero{min-height:0;padding:112px var(--mobile-gutter) 48px;display:flex;flex-direction:column;gap:28px}
  .hero-copy{max-width:100%}
  .hero h1{font-size:clamp(3.6rem,17vw,6.5rem);line-height:.86;letter-spacing:-.09em;margin:20px 0 22px}
  .hero-lead{max-width:31rem;font-size:14px;line-height:1.65}
  .hero-actions{align-items:stretch;gap:20px;margin-top:28px}
  .hero-actions .button{width:min(100%,280px);justify-content:space-between}
  .hero-art{width:100%;height:auto;aspect-ratio:4/5;min-height:0;max-height:none;margin:4px 0 0;transform:none!important}
  .hero-art img{height:100%;object-fit:cover}
  .hero-label{left:16px;right:16px;top:15px;font-size:8px}
  .hero-meta{display:flex;margin-top:0;font-size:9px}
  .ticker{padding:17px 0}
  .ticker-track{font-size:10px;gap:20px}
  .skins-showcase{display:block;padding:72px var(--mobile-gutter)}
  .skins-showcase:before{width:90vw;height:90vw;right:-55vw;top:-25vw}
  .skins-copy{margin-bottom:34px;position:relative;z-index:1}
  .skins-copy h2{font-size:clamp(3rem,15vw,5.5rem);line-height:.88;margin:18px 0}
  .skins-copy p{font-size:14px;line-height:1.65;margin-bottom:24px}
  .skins-image{margin:0 -2px}
  .skins-image-label{left:14px;right:14px;top:14px;font-size:8px}
  .section{padding:76px var(--mobile-gutter)}
  .section-head{gap:28px;margin-bottom:42px}
  .section-head h2,.system h2{font-size:clamp(3.5rem,17vw,6.2rem);line-height:.86}
  .section-head p{font-size:14px;line-height:1.65;max-width:32rem}
  .feature-row{gap:12px}
  .feature-row article{padding:25px 20px 24px}
  .feature-row article p{font-size:13px;line-height:1.6}
  .mood-grid{gap:12px}
  .mood-card{min-height:380px;padding:22px}
  .mood-card h3{font-size:clamp(3.4rem,17vw,5.5rem)}
  .system-grid{gap:42px}
  .system-copy .large{font-size:clamp(1.45rem,6vw,2.2rem);line-height:1.1}
  .principles>div{padding:20px 0}
  .cta{margin:0 var(--mobile-gutter) 48px;padding:54px 24px;min-height:420px}
  .cta h2{font-size:clamp(3.5rem,17vw,6.2rem);line-height:.85}
  .cta .button{width:100%;justify-content:space-between;margin-top:18px}
  .cta-code{font-size:8px;letter-spacing:.06em}
  footer{padding:20px var(--mobile-gutter);font-size:10px;gap:10px}
  footer>span:nth-child(2){flex-basis:auto;order:initial;margin-left:auto}
  .modal{padding:76px var(--mobile-gutter) 32px}
  .modal-art{height:auto;aspect-ratio:1/1;margin-bottom:24px}
  .modal-copy h2{font-size:clamp(3.5rem,17vw,6rem);line-height:.86}
}

@media(max-width:420px){
  .hero{padding-top:100px}
  .hero h1{font-size:16.5vw}
  .hero-art{aspect-ratio:3/4}
  .hero-meta .line{width:34px}
  .skins-showcase,.section{padding-top:64px;padding-bottom:64px}
  .mood-card{min-height:330px}
  .cta{min-height:370px;padding:44px 20px}
  footer>span:nth-child(2){display:none}
}

.skin-gallery{padding:112px 0 118px;background:linear-gradient(180deg,#071014 0%,#0b1719 100%);overflow:hidden}
.gallery-head{display:grid;grid-template-columns:minmax(0,.9fr) minmax(240px,.55fr);gap:7vw;align-items:end;padding:0 10vw 48px}
.gallery-head h2{font-size:clamp(3.5rem,6.5vw,7rem);line-height:.86;letter-spacing:-.08em;margin:18px 0 0}
.gallery-head p{max-width:360px;color:var(--muted);line-height:1.8;margin:0}
.gallery-viewport{perspective:1400px;overflow-x:auto;overflow-y:visible;scrollbar-width:none;cursor:grab;padding:18px 10vw 30px;overscroll-behavior-x:contain}
.gallery-viewport::-webkit-scrollbar{display:none}
.gallery-viewport.is-dragging{cursor:grabbing;scroll-behavior:auto}
.gallery-track{display:flex;gap:18px;width:max-content;transform-style:preserve-3d;padding:0 12px}
.skin-card{position:relative;flex:0 0 246px;height:332px;margin:0;overflow:hidden;border:1px solid rgba(216,255,88,.18);background:#111c20;box-shadow:0 20px 60px rgba(0,0,0,.25);transform-style:preserve-3d;will-change:transform;transition:border-color .3s ease,box-shadow .3s ease}
.skin-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(0,0,0,.75));pointer-events:none}
.skin-card:hover{border-color:rgba(216,255,88,.72);box-shadow:0 32px 80px rgba(0,0,0,.45)}
.skin-card img{width:100%;height:100%;display:block;object-fit:cover;background:#0d1518}
.skin-card figcaption{position:absolute;z-index:2;left:18px;right:18px;bottom:17px;display:flex;justify-content:space-between;align-items:end;color:#edf4ee;font:10px var(--mono);letter-spacing:.08em}
.skin-card figcaption b{font-weight:500;color:var(--lime);text-align:right}
.gallery-controls{display:flex;align-items:center;gap:16px;padding:12px 10vw 0;color:var(--muted);font:9px var(--mono);letter-spacing:.14em}
.gallery-line{height:1px;flex:1;background:linear-gradient(90deg,rgba(216,255,88,.6),transparent)}
@media(max-width:800px){
  .hero-art{width:min(78vw,320px);max-width:320px;align-self:center;aspect-ratio:1/1}
  .hero-art img{object-fit:contain}
  .skin-gallery{padding:72px 0 76px}
  .gallery-head{display:block;padding:0 var(--mobile-gutter) 30px}
  .gallery-head h2{font-size:clamp(3.5rem,17vw,6rem);margin-bottom:24px}
  .gallery-head p{font-size:14px;line-height:1.65}
  .gallery-viewport{padding:14px var(--mobile-gutter) 26px}
  .gallery-track{gap:12px;padding:0 5vw}
  .skin-card{flex-basis:70vw;height:92vw;max-height:420px}
  .gallery-controls{padding:8px var(--mobile-gutter) 0;font-size:8px}
}
@media(max-width:420px){
  .hero-art{width:72vw;max-width:280px}
  .skin-card{flex-basis:76vw;height:98vw}
}