:root{
  --bg:#0b0d10;
  --bg-alt:#0f1216;
  --text:#e7edf3;
  --muted:#a9b4bf;
  --accent:#6ee7ff;
  --card:#11161c;
  --border:#202832;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,Segoe UI,Roboto,Helvetica,Arial,Apple Color Emoji,Segoe UI Emoji}
a{color:var(--text);text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
.section{padding:72px 0}
.section.alt{background:var(--bg-alt)}
.site-header{position:sticky;top:0;background:rgba(11,13,16,.8);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border);z-index:50}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:inline-flex;width:40px;height:40px;border-radius:12px;align-items:center;justify-content:center;background:linear-gradient(135deg,#6ee7ff,#7c3aed);font-weight:700}
.nav a{margin-left:16px;color:var(--muted)}
.nav a:hover{color:var(--text)}
.hero{padding:96px 0}
.hero-inner{display:grid;grid-template-columns:1fr 320px;gap:32px;align-items:center}
.hero h1{font-size:40px;margin:0 0 8px}
.lead{color:var(--muted);font-size:18px;margin:0 0 20px}
.cta-row{display:flex;gap:12px}
.btn{display:inline-block;padding:10px 16px;border:1px solid var(--border);border-radius:12px;background:transparent}
.btn:hover{border-color:#2a3646}
.btn.primary{background:var(--text);color:#0b0d10}
.btn.small{padding:8px 12px;border-radius:10px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;margin-top:20px}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;overflow:hidden}
.card-body{padding:20px}
.card h3{margin:0 0 6px}
.meta{padding:0;margin:8px 0 16px;list-style:none;color:var(--muted);font-size:14px}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.site-footer{border-top:1px solid var(--border);padding:24px 0;color:var(--muted)}
.hero-mark{width:100%;height:auto;opacity:.9;filter:drop-shadow(0 6px 16px rgba(0,0,0,.4))}
@media (max-width:800px){
  .hero-inner{grid-template-columns:1fr}
}