:root{
  --bg:#070707;
  --panel:rgba(18,18,18,.90);
  --panel-2:rgba(0,0,0,.28);
  --line:rgba(255,255,255,.10);
  --muted:rgba(255,255,255,.62);
  --soft:rgba(255,255,255,.45);
  --text:#f5f5f5;
  --accent:#ff2a2a;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:#090909;color:var(--text);font-family:Inter,Arial,Helvetica,sans-serif}
body{
  min-height:100vh;
  background:
    linear-gradient(to bottom, rgba(0,0,0,.84), rgba(0,0,0,.95)),
    url('assets/ui/shoppagebackground.jpg') center top/760px auto repeat;
}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.shell::before{
  content:"";
  position:fixed; inset:0; pointer-events:none;
  background:
    linear-gradient(to bottom, rgba(255,255,255,.018), transparent 12%, rgba(0,0,0,.26) 72%),
    radial-gradient(circle at top, rgba(255,42,42,.05), transparent 28%);
}
.site-header{
  position:sticky; top:0; z-index:30;
  border-bottom:1px solid var(--line);
  background:rgba(0,0,0,.74);
  backdrop-filter:blur(20px);
}
.inner{max-width:1440px;margin:0 auto;padding:0 20px}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px 0}
.brand{display:flex;align-items:center;gap:16px}
.badge-icon{width:48px;height:48px;border-radius:999px;overflow:hidden;border:1px solid rgba(255,255,255,.15);background:rgba(0,0,0,.7);box-shadow:0 10px 30px rgba(0,0,0,.35)}
.logo{height:48px;width:180px;object-fit:contain;object-position:left center}
.nav{display:flex;gap:8px;flex-wrap:wrap}
.nav a,.pill,.btn,.button{
  border:1px solid transparent;border-radius:999px;padding:11px 16px;
  font-size:11px;letter-spacing:.22em;text-transform:uppercase;
  transition:.2s ease;background:transparent;color:var(--text)
}
.nav a:hover,.pill:hover{border-color:rgba(255,255,255,.15);background:rgba(255,255,255,.05)}
.btn-primary{background:var(--accent);border-color:var(--accent)}
.btn-secondary{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.15)}
.btn-secondary:hover{border-color:rgba(255,255,255,.3);background:rgba(255,255,255,.1)}
main{padding:28px 0 36px}
.grid-hero{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
.panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:32px;
  box-shadow:0 20px 60px rgba(0,0,0,.32);
}
.hero-copy{position:relative;overflow:hidden;padding:36px 40px 42px}
.hero-copy::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at top left, rgba(255,42,42,.16), transparent 24%),
             linear-gradient(to bottom, rgba(255,255,255,.03), transparent 24%);
}
.hero-copy > *{position:relative}
.kicker{font-size:10px;letter-spacing:.35em;text-transform:uppercase;color:rgba(255,255,255,.50)}
h1{font-size:58px;line-height:1.06;margin:14px 0 0;font-weight:700;max-width:930px;text-shadow:0 4px 24px rgba(0,0,0,.45)}
.lead{margin-top:18px;max-width:760px;color:rgba(255,255,255,.72);line-height:1.9;font-size:16px}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.feature-card{overflow:hidden}
.feature-media{position:relative;min-height:420px}
.feature-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.overlay{position:absolute;inset:0;background:linear-gradient(to top, rgba(0,0,0,1), rgba(0,0,0,.2), transparent)}
.feature-meta{position:absolute;left:0;right:0;bottom:0;padding:28px}
.feature-meta h2{margin:8px 0 0;font-size:38px}
.feature-meta p{margin:10px 0 0;color:rgba(255,255,255,.72)}
.two-up{display:grid;grid-template-columns:1.25fr .75fr;gap:20px;margin-top:20px}
.banner{position:relative;min-height:220px;overflow:hidden}
.banner img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.banner .overlay{background:linear-gradient(to right, rgba(0,0,0,.80), rgba(0,0,0,.35), rgba(0,0,0,.65))}
.banner-copy{position:absolute;left:0;top:0;bottom:0;display:flex;align-items:center;padding:0 40px;max-width:760px}
.banner-copy h3{font-size:34px;line-height:1.18;margin:8px 0 0}
.metrics{padding:24px 28px}
.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:20px}
.metric{border:1px solid var(--line);border-radius:22px;background:var(--panel-2);padding:18px;color:rgba(255,255,255,.75)}
.metric strong{display:block;font-size:36px;color:#fff;margin-bottom:8px}
section.block{margin-top:38px}
.section-top{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px}
.section-top h2{font-size:44px;margin:8px 0 0}
.section-top p{max-width:760px;color:rgba(255,255,255,.66);line-height:1.9}
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.card{
  border:1px solid var(--line);
  border-radius:28px; overflow:hidden;
  background:var(--panel); box-shadow:0 16px 50px rgba(0,0,0,.28);
  transition:transform .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.22)}
.art{position:relative;aspect-ratio:1/1;background:#000;overflow:hidden}
.art img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.tag{position:absolute;left:12px;top:12px;border:1px solid rgba(255,255,255,.15);background:rgba(0,0,0,.7);backdrop-filter:blur(10px);border-radius:999px;padding:8px 12px;font-size:10px;letter-spacing:.2em;text-transform:uppercase}
.card-body{padding:18px 18px 20px}
.mono{font-size:10px;letter-spacing:.25em;text-transform:uppercase;color:rgba(255,255,255,.45)}
.title{display:block;margin-top:8px;font-size:24px;font-weight:700}
.meta{margin-top:6px;color:rgba(255,255,255,.60);font-size:14px}
.card-footer{margin-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.price{font-size:17px;font-weight:700}
.button{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.15)}
.button:hover{background:var(--accent);border-color:var(--accent)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.stack{display:grid;gap:16px}
.list-item{display:flex;gap:16px;align-items:center;padding:14px;border:1px solid var(--line);border-radius:24px;background:var(--panel-2)}
.thumb{width:84px;height:84px;border-radius:18px;overflow:hidden;background:#000;flex:0 0 auto}
.thumb img{width:100%;height:100%;object-fit:cover}
.content-panel{padding:28px 32px}
.filters{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:28px}
.filters .pill{border-color:rgba(255,255,255,.15);background:rgba(255,255,255,.05)}
.filters .pill.active{background:var(--accent);border-color:var(--accent)}
.product{display:grid;grid-template-columns:.92fr 1.08fr;gap:20px}
.product-copy h1{font-size:56px;max-width:none}
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px;padding:20px;border-radius:24px;border:1px solid var(--line);background:var(--panel-2)}
.info-box p:first-child{font-size:10px;letter-spacing:.28em;text-transform:uppercase;color:rgba(255,255,255,.45);margin:0}
.info-box p:last-child{font-size:22px;margin:10px 0 0;font-weight:700}
.track-panel{margin-top:20px;padding:20px;border-radius:24px;border:1px solid var(--line);background:var(--panel-2)}
.track-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:16px}
.track{padding:14px 16px;border-radius:16px;border:1px solid rgba(255,255,255,.08);background:rgba(0,0,0,.24);font-size:14px;color:rgba(255,255,255,.78)}
.track span{color:rgba(255,255,255,.40);margin-right:10px}
.cart-layout,.checkout-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:20px}
.checkout-layout{grid-template-columns:1.1fr .9fr}
.summary-box,.form-box{border:1px solid var(--line);border-radius:24px;background:var(--panel-2);padding:20px}
.order-line{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:6px 0;color:rgba(255,255,255,.72)}
.hr{height:1px;background:rgba(255,255,255,.10);margin:8px 0}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}
.fake-input,.payment-choice,.note-surface{border:1px solid var(--line);border-radius:16px;background:rgba(0,0,0,.28);padding:14px 16px;color:rgba(255,255,255,.58);font-size:14px}
.payment-choice.active{border-color:var(--accent);background:rgba(255,42,42,.15);color:#fff}
.note-surface{min-height:110px;margin-top:16px}
.library-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}
.library-card{padding:16px;border:1px solid var(--line);border-radius:24px;background:var(--panel-2)}
.library-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.footer-note{margin-top:18px;padding:20px;border:1px solid var(--line);border-radius:24px;background:var(--panel-2);color:rgba(255,255,255,.62);line-height:1.85;font-size:14px}
@media (max-width:1200px){
  .grid-hero,.two-up,.product,.cart-layout,.checkout-layout,.split{grid-template-columns:1fr}
  .grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .library-grid{grid-template-columns:repeat(2,1fr)}
  h1,.product-copy h1{font-size:46px}
}
@media (max-width:860px){
  .nav{display:none}
  .grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .metric-grid,.track-grid,.form-grid,.info-grid{grid-template-columns:1fr}
  .library-grid{grid-template-columns:1fr}
  .section-top{flex-direction:column;align-items:flex-start}
  .header-row{padding:14px 0}
  .hero-copy,.content-panel,.metrics{padding:24px}
  h1,.product-copy h1{font-size:36px}
  .feature-meta h2{font-size:30px}
  .banner-copy{padding:0 24px}
  .banner-copy h3{font-size:28px}
}