:root{
  --bg:#0b0d12;
  --panel:#101522;
  --card:#0f1626;
  --text:#e8ecf7;
  --muted:#aab4cf;
  --border:rgba(255,255,255,.08);
  --accent:#7c5cff;
  --accent2:#23c9ff;
  --shadow: 0 12px 40px rgba(0,0,0,.35);
  --radius: 16px;
}

:root[data-theme="light"]{
  --bg:#f6f7fb;
  --panel:#ffffff;
  --card:#ffffff;
  --text:#141827;
  --muted:#4b566e;
  --border:rgba(20,24,39,.10);
  --shadow: 0 12px 40px rgba(20,24,39,.10);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background: radial-gradient(1200px 600px at 20% 0%, rgba(124,92,255,.25), transparent 60%),
              radial-gradient(900px 500px at 90% 20%, rgba(35,201,255,.18), transparent 55%),
              var(--bg);
  color:var(--text);
}

a{color:inherit}
.container{max-width:1100px;margin:0 auto;padding:0 18px}
.skip-link{
  position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{left:18px; top:18px; width:auto; height:auto; padding:10px 12px; background:var(--panel); border:1px solid var(--border); border-radius:10px; z-index:1000}

.topbar{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom:1px solid var(--border);
}
.topbar__inner{display:flex; align-items:center; justify-content:space-between; gap:14px; padding:14px 0}
.brand{display:flex; align-items:center; gap:12px; min-width:260px}
.brand__mark{
  width:42px; height:42px; border-radius:12px;
  display:grid; place-items:center;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color:white; font-weight:800;
}
.brand__name{font-weight:700; line-height:1.1}
.brand__role{font-size:13px; color:var(--muted)}
.nav{display:flex; gap:14px; flex-wrap:wrap; justify-content:center}
.nav a{font-size:14px; color:var(--muted); text-decoration:none; padding:8px 10px; border-radius:10px}
.nav a:hover{background:color-mix(in srgb, var(--panel) 70%, transparent); color:var(--text)}
.topbar__actions{display:flex; gap:10px}

.btn{
  appearance:none; border:1px solid var(--border);
  background: linear-gradient(135deg, rgba(124,92,255,.18), rgba(35,201,255,.12));
  color:var(--text);
  padding:10px 12px; border-radius:12px;
  cursor:pointer; font-weight:600;
}
.btn:hover{filter:brightness(1.06)}
.btn--ghost{background:transparent}

.hero{padding:34px 0 8px}
.hero__inner{display:grid; grid-template-columns: 1.25fr .75fr; gap:18px; align-items:start}
.hero__title{margin:10px 0 10px; font-size:40px; letter-spacing:-.02em}
.hero__subtitle{display:block; font-size:18px; color:var(--muted); font-weight:600; margin-top:6px}
.hero__summary{max-width:64ch; color:var(--muted); line-height:1.55}

.badge{
  display:inline-flex; align-items:center; gap:8px;
  border:1px solid var(--border);
  background:color-mix(in srgb, var(--panel) 72%, transparent);
  padding:8px 10px; border-radius:999px;
  color:var(--text); font-weight:600; font-size:13px;
}

.quick{margin-top:16px; display:flex; gap:10px; flex-wrap:wrap}
.chip{
  display:inline-flex; align-items:center; gap:8px;
  padding:9px 10px; border-radius:999px;
  border:1px solid var(--border);
  background:color-mix(in srgb, var(--panel) 72%, transparent);
  text-decoration:none; font-size:14px; color:var(--text);
}
.chip--muted{color:var(--muted)}

.section{padding:28px 0}
.section h2{margin:0 0 14px; font-size:22px}
.grid2{display:grid; grid-template-columns:1fr 1fr; gap:14px}

.card{
  background: color-mix(in srgb, var(--card) 84%, transparent);
  border:1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding:16px;
}
.card__title{margin:0 0 10px; font-size:16px}
.card h3{margin:0 0 10px; font-size:16px}
.muted{color:var(--muted)}
.small{font-size:13px}

.kv{display:grid; grid-template-columns: 120px 1fr; gap:8px 12px; margin:0}
.kv dt{color:var(--muted)}
.kv dd{margin:0}

.bullets{margin:0; padding-left:18px; color:var(--muted); line-height:1.55}
.bullets li{margin:6px 0}

.skills{display:grid; grid-template-columns: repeat(3, 1fr); gap:14px}
.skill{
  padding:14px; border-radius: var(--radius);
  border:1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 72%, transparent);
}
.skill h4{margin:0 0 8px; font-size:15px}
.tags{display:flex; flex-wrap:wrap; gap:8px}
.tag{
  font-size:13px; color:var(--muted);
  border:1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 65%, transparent);
  padding:6px 8px; border-radius:999px;
}

.timeline{display:grid; gap:12px}
.item{
  display:grid; grid-template-columns: 150px 1fr;
  gap:12px; align-items:start;
  border:1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 72%, transparent);
  border-radius: var(--radius);
  padding:14px;
}
.when{color:var(--muted); font-size:13px}
.item h4{margin:0 0 6px; font-size:16px}
.meta{color:var(--muted); font-size:13px; margin-bottom:8px}
.item p{margin:0; color:var(--muted); line-height:1.55}

.cards3{display:grid; grid-template-columns: repeat(3, 1fr); gap:14px}
.proj h4{margin:0 0 8px; font-size:16px}
.proj p{margin:0; color:var(--muted); line-height:1.55}

.links{list-style:none; padding:0; margin:0; display:grid; gap:10px}
.links a{display:flex; justify-content:space-between; gap:10px; text-decoration:none; padding:10px 12px; border-radius:12px; border:1px solid var(--border); background: color-mix(in srgb, var(--panel) 72%, transparent)}
.links a:hover{filter:brightness(1.04)}
.links span{color:var(--muted); font-size:13px}

.footer{padding:22px 0; border-top:1px solid var(--border); margin-top:10px}
.footer__inner{display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap}

.contact{display:flex; gap:10px; flex-wrap:wrap; margin-top:12px}

@media (max-width: 940px){
  .hero__inner{grid-template-columns:1fr}
  .brand{min-width:auto}
  .nav{display:none}
  .skills{grid-template-columns:1fr}
  .grid2{grid-template-columns:1fr}
  .cards3{grid-template-columns:1fr}
  .item{grid-template-columns:1fr}
}

/* Print: clean */
@media print{
  .topbar, .btn, #themeToggle, #printBtn, .skip-link {display:none !important}
  body{background:#fff}
  .card, .item, .skill{box-shadow:none}
  a{text-decoration:none}
}