:root{
  --bg:#0c1022; --card:#111633; --ink:#e6ecff; --muted:#b9c2ff;
  --teal:#00bfa6; --violet:#6c63ff; --coral:#ff6f61;
}
*{box-sizing:border-box}
body{margin:0;background:linear-gradient(180deg,#0b1229 0%,#0c1022 100%);color:var(--ink);font:16px/1.6 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial}
h1,h2,h3{line-height:1.2;margin:0 0 8px}
h2{font-size:28px}
p{margin:0 0 10px}
a{color:var(--teal);text-decoration:none}
a:hover{opacity:.9}
.btn{display:inline-block;padding:10px 16px;border-radius:12px;background:linear-gradient(90deg,var(--teal),var(--violet));color:#03101a;font-weight:700;margin-right:10px;box-shadow:0 8px 24px rgba(0,191,166,.3)}
.btn--ghost{background:transparent;color:var(--ink);border:1px solid rgba(230,236,255,.25)}
.chip{background:#0e1533;border:1px solid rgba(230,236,255,.1);color:var(--muted);padding:6px 10px;border-radius:999px;margin:4px 6px;cursor:pointer}
.chip.active{background:linear-gradient(90deg,var(--violet),var(--teal));color:#04121a;border-color:transparent}
.hero{position:relative;min-height:52vh;display:grid;place-items:center;text-align:center;overflow:hidden}
.hero__overlay{position:absolute;inset:0;background:radial-gradient(1200px 600px at 50% -10%,rgba(108,99,255,.45),transparent 60%), radial-gradient(800px 400px at 80% 10%,rgba(0,191,166,.35),transparent 60%)}
.hero__content{position:relative;padding:56px 16px;animation:fadeUp .8s ease both}
.hero h1{font-size:44px}
.tagline{opacity:.9;margin-top:6px;color:var(--muted)}
.cta{margin-top:14px}
.about,.projects,.contact{max-width:1100px;margin:32px auto;padding:0 16px}
.projects__header{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;margin-bottom:12px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.card{background:var(--card);border:1px solid rgba(230,236,255,.08);border-radius:20px;padding:16px;position:relative;overflow:hidden;transition:transform .25s ease, border-color .25s ease}
.card:hover{transform:translateY(-4px);border-color:rgba(0,191,166,.45)}
.card h3{font-size:20px;margin-bottom:6px}
.badges{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 10px}
.badge{font-size:12px;padding:6px 8px;border-radius:10px;background:#0e1533;color:var(--muted);border:1px solid rgba(230,236,255,.08)}
.card .meta{font-size:13px;color:var(--muted)}
.card .actions{margin-top:10px;display:flex;gap:10px}
footer{opacity:.7;text-align:center;padding:26px 16px}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}