:root{
  --bg:#050505;
  --panel:#0d0d0d;
  --panel-2:#121212;
  --line:#2c2c2c;
  --text:#f5f5f5;
  --muted:#b8b8b8;
  --soft:#8a8a8a;
  --accent:#ffffff;
  --max:1380px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:Arial,Helvetica,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.5;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.site-header{
  position:sticky;top:0;z-index:50;
  display:flex;justify-content:space-between;align-items:center;
  padding:14px 18px;border-bottom:1px solid var(--line);
  background:rgba(5,5,5,.94);backdrop-filter:blur(10px)
}
.brand{font-weight:700;letter-spacing:.04em;font-size:15px}
.brand small{display:block;color:var(--soft);font-weight:400;font-size:11px;letter-spacing:.08em}
.nav-toggle{display:none;background:none;border:1px solid var(--line);color:var(--text);padding:8px 10px;border-radius:8px}
.site-nav{display:flex;gap:10px;flex-wrap:wrap}
.site-nav a{
  color:#ddd;border:1px solid var(--line);padding:8px 12px;border-radius:999px;
  font-size:13px;transition:.2s ease;background:#111
}
.site-nav a:hover,.site-nav a.active{background:#fff;color:#000;border-color:#fff}
.page-shell{max-width:var(--max);margin:0 auto;padding:24px 18px 60px}
.prototype-layout{display:grid;grid-template-columns:1fr;min-height:calc(100vh - 70px)}
@media (min-width:980px){.prototype-layout{grid-template-columns:minmax(0,1fr) 320px}}
.stage{border:1px solid var(--line);background:#000;min-height:680px}
aside.info-panel{border:1px solid var(--line);border-top:none;background:#070707;padding:16px}
@media (min-width:980px){aside.info-panel{border-top:1px solid var(--line);border-left:none}}
.panel-box{border:1px solid var(--line);border-radius:16px;padding:16px;background:#0d0d0d;position:sticky;top:86px}
.panel-title{font-size:16px;margin-bottom:12px}
.panel-muted{font-size:13px;color:var(--muted);margin-top:10px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.chip{font-size:12px;padding:6px 10px;border:1px solid var(--line);border-radius:999px;background:#111;color:#ddd}
.hero-stage{
  display:grid;grid-template-columns:1fr;gap:22px;padding:22px;min-height:100%
}
@media (min-width:900px){.hero-stage{grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);align-items:stretch}}
.hero-copy{display:flex;flex-direction:column;justify-content:space-between;gap:24px;border:1px solid var(--line);padding:24px;background:linear-gradient(180deg,#060606,#0d0d0d)}
.eyebrow{color:var(--soft);font-size:12px;letter-spacing:.18em;text-transform:uppercase}
.hero-copy h1{font-size:clamp(2.2rem,5vw,5rem);line-height:.95;font-weight:700;letter-spacing:-.03em;max-width:10ch}
.hero-copy p{font-size:clamp(1rem,1.6vw,1.2rem);color:#d7d7d7;max-width:50ch}
.hero-meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:8px}
.hero-meta div{padding-top:10px;border-top:1px solid var(--line)}
.hero-meta strong{display:block;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--soft);margin-bottom:4px}
.hero-figure{border:1px solid var(--line);display:flex;align-items:center;justify-content:center;padding:18px;background:radial-gradient(circle at center,#141414 0%,#030303 70%)}
.hero-figure img{max-height:420px;object-fit:contain}
.home-nav-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding:0 22px 22px}
@media (min-width:900px){.home-nav-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.nav-card{border:1px solid var(--line);padding:18px;background:#0a0a0a;transition:.2s ease}.nav-card:hover{background:#121212;transform:translateY(-2px)}
.nav-card strong{display:block;font-size:15px;margin-bottom:6px}.nav-card span{display:block;color:var(--muted);font-size:13px}
.section{padding:54px 18px;max-width:var(--max);margin:0 auto}
.section-header{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:20px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.section-header h2{font-size:clamp(1.8rem,4vw,3rem);letter-spacing:-.03em}.section-header p{max-width:60ch;color:var(--muted)}
.models-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:700px){.models-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1100px){.models-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.model-card{border:1px solid var(--line);background:#0a0a0a;display:flex;flex-direction:column;min-height:100%}
.model-thumb{aspect-ratio:16/10;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#101010,#050505);padding:18px;border-bottom:1px solid var(--line)}
.model-thumb img{width:100%;height:100%;object-fit:contain}
.model-content{padding:18px;display:flex;flex-direction:column;gap:12px;flex:1}.model-content h3{font-size:1.3rem}.model-content p{color:var(--muted);font-size:.96rem}.meta-row{display:flex;flex-wrap:wrap;gap:8px}.tag{font-size:12px;border:1px solid var(--line);padding:5px 9px;border-radius:999px;color:#d6d6d6;background:#111}
.button-row{margin-top:auto;padding-top:4px}.button,.ghost-button{display:inline-block;padding:10px 14px;border-radius:999px;font-size:14px}.button{background:#fff;color:#000}.ghost-button{border:1px solid var(--line);color:#fff;background:#101010}
.timeline{display:grid;gap:12px}.timeline-item{display:grid;grid-template-columns:110px 1fr;gap:14px;border-top:1px solid var(--line);padding-top:14px}.timeline-item time{color:var(--soft);font-size:13px;letter-spacing:.08em;text-transform:uppercase}.timeline-item p{color:var(--muted)}
.about-grid{display:grid;grid-template-columns:1fr;gap:18px}.about-box{border:1px solid var(--line);padding:20px;background:#0a0a0a}.about-box h3{margin-bottom:10px}.about-box p,.about-box li{color:var(--muted)}.about-box ul{padding-left:18px;display:grid;gap:8px}
.page-hero{padding:20px;border:1px solid var(--line);background:#080808;margin-bottom:24px}.page-hero h1{font-size:clamp(2rem,4vw,3.6rem);margin-bottom:12px;letter-spacing:-.03em}.page-hero p{max-width:65ch;color:var(--muted)}
.filters{display:flex;flex-wrap:wrap;gap:12px;margin:0 0 22px}.search{flex:1;min-width:220px;padding:12px 14px;border:1px solid var(--line);background:#0b0b0b;color:#fff;border-radius:10px}.filter-btn{padding:11px 14px;border:1px solid var(--line);background:#101010;color:#fff;border-radius:999px;cursor:pointer}.filter-btn.active{background:#fff;color:#000;border-color:#fff}
.article{max-width:var(--max);margin:0 auto;padding:24px 18px 60px}.model-hero{display:grid;grid-template-columns:1fr;gap:18px;margin-bottom:24px}.model-hero-media,.model-hero-copy{border:1px solid var(--line);background:#0a0a0a}.model-hero-media{padding:24px;display:flex;justify-content:center;align-items:center;background:radial-gradient(circle at center,#151515 0%,#050505 72%)}.model-hero-media img{max-height:470px;object-fit:contain}.model-hero-copy{padding:24px}.model-hero-copy h1{font-size:clamp(2.2rem,4vw,4rem);line-height:.95;margin-bottom:16px}.model-hero-copy p{color:var(--muted);margin-bottom:16px}.specs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:18px 0}.spec{padding:12px;border:1px solid var(--line);background:#111}.spec strong{display:block;color:var(--soft);font-size:12px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:5px}
@media (min-width:980px){.model-hero{grid-template-columns:1.2fr .8fr}}
.content-grid{display:grid;grid-template-columns:1fr;gap:18px}.content-box{border:1px solid var(--line);padding:20px;background:#0a0a0a}.content-box h2{margin-bottom:10px;font-size:1.35rem}.content-box p{color:var(--muted)}.content-box ul{padding-left:18px;display:grid;gap:8px;color:var(--muted)}
.gallery{display:grid;grid-template-columns:1fr;gap:16px}.gallery figure{border:1px solid var(--line);background:#0a0a0a;padding:12px}.gallery img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#111}.gallery figcaption{font-size:13px;color:var(--muted);padding-top:8px}
@media (min-width:800px){.gallery{grid-template-columns:repeat(2,minmax(0,1fr))}}
.site-footer{max-width:var(--max);margin:0 auto;padding:22px 18px 42px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:var(--soft);font-size:13px}
.muted{color:var(--muted)}
@media (max-width:760px){.nav-toggle{display:block}.site-nav{display:none;position:absolute;top:64px;left:18px;right:18px;flex-direction:column;padding:14px;border:1px solid var(--line);background:#090909}.site-nav.open{display:flex}.timeline-item{grid-template-columns:1fr}.site-header{align-items:flex-start}}