/* L.u.l. / LYL — v0.1 draft (black/white minimal) */
:root{
  --bg:#0b0b0b;
  --fg:#f4f4f4;
  --muted:rgba(244,244,244,.72);
  --stroke:rgba(244,244,244,.14);
  --card:rgba(255,255,255,.04);
  --shadow: 0 18px 60px rgba(0,0,0,.45);
  --radius: 22px;
  --max: 1120px;
  --pad: clamp(18px, 3vw, 34px);
  --title: clamp(40px, 5vw, 70px);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.nav{
  position:sticky;top:0;z-index:50;
  backdrop-filter: blur(10px);
  background: linear-gradient(to bottom, rgba(11,11,11,.88), rgba(11,11,11,.55));
  border-bottom:1px solid var(--stroke);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px var(--pad)}
.brandmark{letter-spacing:.22em;text-transform:uppercase;font-weight:650;font-size:14px;opacity:.95}
.navlinks{display:flex;gap:18px;font-size:14px;color:var(--muted)}
.navlinks a{padding:10px 10px;border-radius:12px;transition:background .18s ease, color .18s ease}
.navlinks a:hover{background:rgba(255,255,255,.06);color:var(--fg)}

.hero{padding: clamp(26px, 5vw, 60px) 0;}
.hero-grid{display:grid;grid-template-columns: 1.15fr .85fr;gap: clamp(16px, 3vw, 28px);align-items:stretch;}
.card{border:1px solid var(--stroke);background: var(--card);border-radius: var(--radius);box-shadow: var(--shadow);overflow:hidden;}
.hero-left{padding: clamp(18px, 3vw, 34px)}
.kicker{color:var(--muted);letter-spacing:.18em;text-transform:uppercase;font-size:12px;margin-bottom:14px}
.h1{font-size:var(--title);line-height:1.03;margin:0 0 14px}
.lead{color:var(--muted);font-size:16px;line-height:1.55;max-width:56ch;margin:0 0 22px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding: 12px 16px;border-radius: 999px;border:1px solid var(--stroke);
  background: rgba(255,255,255,.06);color:var(--fg);font-weight:600;
  transition: transform .16s ease, background .16s ease, border-color .16s ease;
}
.btn:hover{transform: translateY(-1px); background: rgba(255,255,255,.10); border-color: rgba(255,255,255,.22)}
.btn.primary{background: rgba(255,255,255,.14)}
.btn.primary:hover{background: rgba(255,255,255,.20)}
.hero-img{position:relative;min-height: 360px;}
.hero-img img{width:100%;height:100%;object-fit:cover;filter:saturate(0.95) contrast(1.05)}
.hero-img::after{content:"";position:absolute;inset:0;background: radial-gradient(70% 70% at 60% 30%, rgba(255,255,255,.12), rgba(0,0,0,0));pointer-events:none;}

.section{padding: clamp(26px, 5vw, 70px) 0;border-top:1px solid var(--stroke)}
.section h2{margin:0 0 14px;font-size:26px;letter-spacing:.02em}
.section p{margin:0;color:var(--muted);line-height:1.65;max-width:72ch}

.grid3{display:grid;grid-template-columns: repeat(3, 1fr);gap: 14px;margin-top: 18px;}
.mini{padding:18px;border-radius:18px;border:1px solid var(--stroke);background: rgba(255,255,255,.03);}
.mini h3{margin:0 0 8px;font-size:14px;letter-spacing:.08em;text-transform:uppercase}
.mini p{margin:0;color:var(--muted);font-size:14px;line-height:1.55}

.footer{padding:26px 0;color:var(--muted);font-size:13px;border-top:1px solid var(--stroke)}
.footer a{color:var(--fg);opacity:.9}

/* product page */
.split{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.prod-card{padding:20px;}
.badge{
  display:inline-flex;gap:8px;align-items:center;
  padding:8px 12px;border-radius:999px;border:1px solid var(--stroke);
  color:var(--muted);font-size:12px;letter-spacing:.14em;text-transform:uppercase;
}
.price{margin-top:12px;font-size:20px;font-weight:650}
.note{margin-top:10px;color:var(--muted);font-size:14px;line-height:1.55}
.hr{height:1px;background:var(--stroke);margin:16px 0}

/* subtle entry */
.fade-in{animation: fade .55s ease both}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}

@media (max-width: 900px){
  .hero-grid{grid-template-columns:1fr}
  .hero-img{min-height:320px}
  .grid3{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
}