:root{
  --bg:#0f1720;
  --card:#0b1220;
  --muted:#94a3b8;
  --accent:#60a5fa;
  --glass:rgba(255,255,255,0.04);
  --radius:12px;
  --max-width:1100px;
  --container-pad:24px;
}
*{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,#071022 0%, #0b1220 100%);
  color:#e6eef8;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.5;
}
.container{max-width:var(--max-width);margin:0 auto;padding:32px var(--container-pad)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 0}
.logo{font-weight:700;font-size:1.2rem;color:var(--accent);text-decoration:none}
.logo span{color:var(--muted);margin-left:6px;font-weight:600}
.nav-links{display:flex;gap:16px;list-style:none;margin:0;padding:0;align-items:center}
.nav-links a{color:var(--muted);text-decoration:none;padding:8px;border-radius:8px}
.nav-links a:hover{color:var(--accent);background:var(--glass)}
.nav-toggle{display:none;background:transparent;border:0;color:var(--muted);font-size:1.2rem}

.hero{padding:80px 0;background:linear-gradient(135deg, rgba(96,165,250,0.08), transparent)}
.hero-inner{display:flex;flex-direction:column;gap:16px;align-items:flex-start}
.hero h1{font-size:2.4rem;margin:0}
.accent{color:var(--accent)}
.lead{color:var(--muted);max-width:720px}
.hero-ctas{margin-top:12px;display:flex;gap:12px}

.about{padding:48px 0}
.about-grid{display:grid;grid-template-columns:1fr 320px;gap:24px;align-items:start}
.skills ul{margin:8px 0 0 0;padding-left:18px;color:var(--muted)}

.projects{padding:48px 0}
.projects-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:rgba(255,255,255,0.02);border-radius:var(--radius);padding:18px;box-shadow:0 6px 18px rgba(2,6,23,0.6);transition:transform .22s ease}
.card:hover{transform:translateY(-6px)}
.card h3{margin:0 0 8px 0}
.card p{color:var(--muted);margin:0 0 12px 0}

.contact{padding:48px 0}
.contact-form{display:flex;flex-direction:column;gap:12px;max-width:640px}
.contact-form input,.contact-form textarea{background:transparent;border:1px solid rgba(255,255,255,0.06);padding:12px;border-radius:8px;color:inherit}

.site-footer{padding:28px 0;color:var(--muted);text-align:center}

.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:10px;border:0;cursor:pointer;text-decoration:none}
.btn.small{padding:8px 10px;font-size:.9rem}
.btn.primary{background:linear-gradient(90deg,var(--accent),#7dd3fc);color:#051028}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,0.04);color:var(--muted)}

/* Responsive */
@media (max-width:900px){
  .projects-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  .nav-toggle{display:block}
  .nav-links{position:absolute;right:24px;top:64px;display:flex;flex-direction:column;background:rgba(7,12,20,0.9);padding:12px;border-radius:10px;box-shadow:0 8px 30px rgba(2,6,23,0.7);display:none}
  .nav-links.show{display:flex}
  .projects-grid{grid-template-columns:1fr}
  .hero h1{font-size:1.8rem}
}

/* Utility */
.muted{color:var(--muted)}