:root{
  --bg:#0f1720;
  --card:#0b1220;
  --text:#e6edf3;
  --muted:#9aa7b3;
  --accent:#7dd3fc;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
  background:linear-gradient(180deg,var(--bg),#07101a 60%);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  scroll-behavior: smooth;
}
.container{max-width:900px;margin:0 auto;padding:28px}
.site-header{background:transparent;padding:18px 0;position:sticky;top:0;z-index:50}
.site-header .container{display:flex;align-items:center;justify-content:space-between}
.logo{font-weight:700;letter-spacing:0.6px}
nav a{color:var(--muted);text-decoration:none;margin-left:18px;transition:color 0.3s}
nav a:hover{color:var(--accent)}
.hero{padding:64px 0;text-align:left}
.hero h2{font-size:34px;margin:0 0 12px;line-height:1.2}
.lead{color:var(--muted);max-width:70%}
.accent{color:var(--accent)}
.btn{display:inline-block;margin-top:12px;padding:10px 16px;border-radius:8px;background:rgba(125,211,252,0.08);border:1px solid rgba(125,211,252,0.12);color:var(--accent);text-decoration:none;transition:background 0.3s, color 0.3s}
.btn:hover{background:rgba(125,211,252,0.2)}
.card{background:linear-gradient(180deg, rgba(255,255,255,0.02), transparent);padding:20px;border-radius:12px;margin:18px 0;box-shadow:0 4px 12px rgba(0,0,0,0.1);transition:transform 0.2s}
.card:hover{transform:translateY(-4px)}
.project{padding:12px 0;border-top:1px dashed rgba(255,255,255,0.03)}
.site-footer{padding:22px 0;text-align:center;color:var(--muted)}
@media(max-width:640px){
  .lead{max-width:100%}
  .site-header .container{flex-direction:column;gap:12px}
  .hero h2{font-size:28px}
}