:root{
  --bg:#0a0a0a;
  --bg-soft:#111315;
  --card:#0f1113;
  --accent:#ffffff;
  --muted:#9aa0a6;
  --ring: rgba(255,255,255,0.12);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;background:var(--bg);color:#fff}

.container{width:min(1100px,92%);margin:0 auto}

.site-header{position:sticky;top:0;backdrop-filter:saturate(1.1) blur(8px);background:rgba(10,10,10,.7);border-bottom:1px solid var(--ring);z-index:10}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.logo{height:65px;filter:drop-shadow(0 0 10px rgba(255,255,255,0.05))}

.nav a{color:#e5e7eb;text-decoration:none;margin-left:18px;font-weight:500}
.nav a:hover{color:#fff}

.hero{background:
  radial-gradient(1200px 600px at 20% -10%, rgba(255,255,255,.10), transparent 60%),
  radial-gradient(1200px 600px at 80% -10%, rgba(255,255,255,.08), transparent 60%),
  linear-gradient(180deg, #0a0a0a 0%, #0a0a0a 100%);
  padding:96px 0 72px;border-bottom:1px solid var(--ring)}
.hero-inner h1{font-size:48px;margin:0 0 8px;letter-spacing:-0.02em}
.hero-inner p{margin:0 0 24px;color:#c7c9cc;max-width:720px}
.btn{display:inline-block;padding:12px 18px;border:1px solid var(--ring);border-radius:12px;color:#fff;text-decoration:none;font-weight:600}
.btn.primary{background:#fff;color:#000;border-color:#fff}

.section{padding:64px 0}
.section.alt{background:var(--bg-soft);border-top:1px solid var(--ring);border-bottom:1px solid var(--ring)}
.section h2{font-size:28px;margin:0 0 24px}

.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media (max-width: 980px){.grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width: 560px){.grid{grid-template-columns:1fr}}

.card{background:var(--card);border:1px solid var(--ring);border-radius:16px;padding:18px;display:flex;flex-direction:column;gap:10px;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.card h3{margin:4px 0 4px}
.card p{color:#c7c9cc;flex:1}

.code-panels{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width: 900px){.code-panels{grid-template-columns:1fr}}
.code-card{position:relative;background:#0c0e11;border:1px solid var(--ring);border-radius:16px;padding:16px}
.code-card pre{margin:0;overflow:auto}
.code-card code{font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;font-size:14px;color:#d2d6db}
.copy{position:absolute;top:10px;right:10px;border:1px solid var(--ring);background:#121417;color:#fff;border-radius:10px;padding:6px 10px;cursor:pointer}
.copy:active{transform:scale(0.98)}

.contact-list{list-style:none;padding:0;margin:0}
.contact-list li{margin-bottom:6px;color: rgb(42 181 228 / var(--tw-text-opacity))}

.site-footer{border-top:1px solid var(--ring);padding:28px 0;color:#c7c9cc}