:root{
  --bg:#0b1020;
  --surface:#111931;
  --card:#0f1729;
  --text:#e6ecff;
  --muted:#9fb0d7;
  --primary:#4cc9f0;
  --primary-2:#a78bfa;
  --accent:#22d3ee;
  --ring: 0 0 0 2px color-mix(in oklab, var(--primary) 30%, transparent);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,"Helvetica Neue",Arial,sans-serif}
img{display:inline-block;height:1em;vertical-align:-0.2em}
a{color:inherit;text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
.section{padding:96px 0}
.muted{color:var(--muted)}
h1,h2,h3{margin:0 0 16px 0}
h2{font-size:32px;letter-spacing:0.3px}
.lead{color:var(--muted);max-width:900px}

/* Navbar */
.nav{position:sticky;top:0;background:linear-gradient(180deg,#0b1020 0%,rgba(11,16,32,0.6) 100%);backdrop-filter:saturate(160%) blur(8px);z-index:50;border-bottom:1px solid rgba(255,255,255,0.06)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-weight:800;color:#6ee7ff}
.nav nav{display:flex;gap:20px}
.nav a{padding:8px 10px;border-radius:8px;color:var(--muted)}
.nav a:hover{background:rgba(255,255,255,0.06);color:var(--text)}
.hamburger{display:none;background:none;border:0;cursor:pointer}
.hamburger span{display:block;width:22px;height:2px;background:#bcd0ff;margin:5px 0;border-radius:2px}

/* Hero */
.hero{position:relative;overflow:hidden}
.hero h1{font-size:40px;line-height:1.1;margin:8px 0 16px}
.hero .amp{opacity:0.85;margin:0 6px}
.gradient{background:linear-gradient(90deg,#60a5fa 0%, #a78bfa 50%, #34d399 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.overline{color:#7abaff;text-transform:uppercase;letter-spacing:0.18em;font-weight:600}
.pill-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-top:24px}
.pill{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.08);padding:12px 14px;border-radius:12px;color:#d9e4ff}
.pill:hover{outline:var(--ring)}
.hero-bg::before,
.hero-bg::after{
  content:"";position:absolute;inset:-20%;z-index:-1;
}
.hero-bg::before{
  background:radial-gradient(600px 300px at 10% 20%, rgba(56,189,248,0.25), transparent 60%),
             radial-gradient(700px 380px at 80% 10%, rgba(167,139,250,0.22), transparent 60%),
             radial-gradient(500px 260px at 60% 85%, rgba(52,211,153,0.2), transparent 60%);
  filter:blur(40px);
}
.hero-bg::after{
  background-image:
    linear-gradient(0deg, rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 28px 28px, 28px 28px;
  mix-blend-mode:overlay;opacity:0.2;
}

/* Cards */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}
.card{background:var(--card);border:1px solid rgba(255,255,255,0.06);padding:18px;border-radius:16px;box-shadow:0 10px 30px rgba(0,0,0,0.35)}
.card h3{display:flex;align-items:center;gap:10px;font-size:18px;margin-bottom:8px}
.card p{color:var(--muted)}

/* Projects */
.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}
.project{background:var(--surface);border:1px solid rgba(255,255,255,0.06);padding:18px;border-radius:16px}
.project h3{color:#7dd3fc;margin-bottom:8px}
.project p{color:var(--muted)}
.tags{list-style:none;padding:0;margin:12px 0 16px;display:flex;gap:8px;flex-wrap:wrap}
.tags li{background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.08);padding:6px 10px;border-radius:999px;color:#dbeafe;font-size:12px}
.actions{display:flex;gap:10px}
.btn{display:inline-block;background:linear-gradient(90deg,#22d3ee,#818cf8);color:#081027;padding:10px 14px;border-radius:10px;font-weight:600}
.btn.outline{background:transparent;border:1px solid #5b9bff;color:#cfe3ff}
.btn:hover{filter:brightness(1.05)}

/* Contact */
.contact-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;align-items:start;margin-top:8px}
.contact-card{display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid rgba(255,255,255,0.06);padding:14px;border-radius:12px;color:#dee9ff}
.socials{display:flex;gap:12px;align-items:center}
.socials a{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.08)}
.socials a:hover{outline:var(--ring)}
copyright{color:var(--muted)}
.copyright{color:var(--muted);margin-top:24px}

/* Back to top */
.back-to-top{position:fixed;right:18px;bottom:18px;width:44px;height:44px;border-radius:12px;border:0;background:rgba(255,255,255,0.08);color:#bfe4ff;cursor:pointer;display:none}
.back-to-top.show{display:block}

/* Responsive */
@media (max-width:980px){
  .card-grid,.projects{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:720px){
  .nav nav{display:none}
  .hamburger{display:block}
  .card-grid,.projects,.contact-cards{grid-template-columns:1fr}
  .hero h1{font-size:30px}
}