:root{
  --bg:#0f1724;
  --card:#0b1220;
  --muted:#9aa4b2;
  --accent:#06b6d4; /* cyan-ish */
  --accent-2:#0ea5a4;
  --glass: rgba(255,255,255,0.04);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(180deg,#071024 0%, #071a2b 100%);
  color: #e6eef6;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
.container{max-width:1100px;margin:0 auto;padding:24px}
.site-header{backdrop-filter: blur(6px);position:sticky;top:0;z-index:30}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit}
.logo{width:44px;height:44px}
.brand-name{font-weight:700;letter-spacing:1px}
.nav a{color:var(--muted);margin-left:18px;text-decoration:none}
.nav a.cta{background:linear-gradient(90deg,var(--accent),var(--accent-2));padding:8px 12px;border-radius:8px;color:#042029}
.nav a:hover{color:#fff}

.hero{padding:64px 0}
.hero-inner{display:grid;grid-template-columns:1fr 370px;gap:28px;align-items:center}
.hero h1{font-size:2.2rem;margin:0 0 12px}
.lead{color:var(--muted);margin-bottom:18px;max-width:58ch}
.actions .btn{margin-right:12px}
.card{background:linear-gradient(180deg, rgba(255,255,255,0.02), transparent);padding:20px;border-radius:14px;box-shadow:0 6px 18px rgba(2,6,23,0.6)}
.card h3{margin:0 0 8px}
.meta{display:flex;gap:10px;list-style:none;padding:0;margin:12px 0 0;color:var(--muted)}

.btn{display:inline-block;text-decoration:none;padding:10px 16px;border-radius:10px;border:1px solid rgba(255,255,255,0.06);transition:transform .15s ease,box-shadow .15s ease}
.btn.primary{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#022629;font-weight:600}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,0.06);color:var(--muted)}
.btn:hover{transform:translateY(-3px);box-shadow:0 8px 28px rgba(6,182,212,0.12)}

.features{padding:56px 0}
.features h2{margin-top:0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin-top:18px}
.feature{background:var(--card);padding:18px;border-radius:12px;border:1px solid rgba(255,255,255,0.02)}
.feature h3{margin:0 0 8px}
.feature p{color:var(--muted);margin:0}

.about{padding:56px 0;background:linear-gradient(180deg, transparent, rgba(255,255,255,0.01))}
.about-grid{display:grid;grid-template-columns:1fr 300px;gap:24px;align-items:start}
.dev-info{background:var(--card);padding:16px;border-radius:10px;color:var(--muted)}
.dev-info a{color:var(--accent);text-decoration:none}

.contact{padding:56px 0}
.contact .contact-actions{margin-top:12px}

.site-footer{padding:28px 0;border-top:1px solid rgba(255,255,255,0.02);text-align:center;color:var(--muted)}

/* Responsive */
@media (max-width:880px){
  .hero-inner{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr}
  .nav a{margin-left:10px}
}
@media (max-width:520px){
  .container{padding:16px}
  .brand-name{display:none}
  .logo{width:38px;height:38px}
  .hero h1{font-size:1.6rem}
}