:root {
  --bg: #07070c;
  --fg: #f4f4f8;
  --muted: #9a9ab0;
  --line: rgba(255,255,255,.08);
  --glass: rgba(255,255,255,.04);
  --a1: #7c5cff;
  --a2: #22d3ee;
  --a3: #f472b6;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; min-height: 100vh; overflow-x: hidden;
  background: var(--bg); color: var(--fg);
  font: 400 17px/1.65 Inter, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, .logo { font-family: "Space Grotesk", Inter, sans-serif; letter-spacing: -.02em; }
a { color: inherit; }

/* Background */
.bg { position: fixed; inset: 0; z-index: -1; overflow: hidden; }
.blob { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .55; animation: drift 22s ease-in-out infinite alternate; }
.b1 { width: 520px; height: 520px; background: var(--a1); top: -160px; left: -120px; }
.b2 { width: 440px; height: 440px; background: var(--a2); top: 30%; right: -160px; animation-delay: -7s; opacity: .35; }
.b3 { width: 380px; height: 380px; background: var(--a3); bottom: -160px; left: 30%; animation-delay: -14s; opacity: .3; }
@keyframes drift { to { transform: translate(80px, 60px) scale(1.15); } }
.grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 50% 0%, #000 20%, transparent 70%);
}

/* Nav */
.nav {
  position: sticky; top: 16px; z-index: 10;
  max-width: 880px; margin: 16px auto 0; padding: 10px 20px;
  display: flex; justify-content: space-between; align-items: center;
  background: rgba(10,10,18,.55); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--line); border-radius: 999px;
  width: calc(100% - 32px);
}
.logo { font-size: 1.4rem; font-weight: 700; text-decoration: none; }
.logo span { color: var(--a2); }
nav a { margin-left: 22px; color: var(--muted); text-decoration: none; font-size: .95rem; transition: color .2s; }
nav a:hover { color: var(--fg); }

main, footer { max-width: 880px; margin: 0 auto; padding: 0 16px; }

/* Hero */
.hero { min-height: 82vh; display: flex; flex-direction: column; justify-content: center; padding: 80px 0 40px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; align-self: flex-start;
  padding: 6px 14px; margin: 0 0 28px; font-size: .85rem; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px; background: var(--glass);
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: #34d399; box-shadow: 0 0 12px #34d399; animation: pulse 2s infinite; }
@keyframes pulse { 50% { opacity: .35; } }
h1 { font-size: clamp(3rem, 11vw, 7rem); line-height: .95; margin: 0 0 24px; font-weight: 700; }
.grad {
  background: linear-gradient(100deg, var(--a1), var(--a2) 50%, var(--a3));
  background-size: 200% auto; -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shine 6s linear infinite;
}
@keyframes shine { to { background-position: 200% center; } }
.lead { font-size: clamp(1.1rem, 2.4vw, 1.35rem); color: var(--muted); max-width: 560px; margin: 0 0 36px; }
.btn {
  align-self: flex-start; display: inline-flex; gap: 10px; align-items: center;
  padding: 14px 26px; border-radius: 999px; text-decoration: none; font-weight: 500;
  background: linear-gradient(100deg, var(--a1), var(--a2)); color: #fff;
  box-shadow: 0 10px 40px -10px var(--a1);
  transition: transform .25s, box-shadow .25s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 16px 50px -10px var(--a2); }
.btn span { transition: transform .25s; }
.btn:hover span { transform: translateX(4px); }

/* Sections */
section { padding: 64px 0; }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin: 0 0 28px; display: flex; align-items: baseline; gap: 14px; }
.num { font-size: .9rem; color: var(--a2); font-family: Inter, sans-serif; font-weight: 500; }
.glass {
  background: var(--glass); border: 1px solid var(--line); border-radius: 20px;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
#about .glass { padding: 28px 32px; font-size: 1.15rem; }
#about p { margin: 0; }

.cards { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card {
  position: relative; overflow: hidden; padding: 28px;
  transition: transform .3s, border-color .3s;
}
.card::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .3s;
  background: radial-gradient(380px circle at var(--x, 50%) var(--y, 50%), rgba(124,92,255,.22), transparent 60%);
}
.card:hover { transform: translateY(-6px); border-color: rgba(124,92,255,.45); }
.card:hover::before { opacity: 1; }
.tag {
  display: inline-block; font-size: .75rem; padding: 3px 10px; border-radius: 999px; margin-bottom: 18px;
  color: var(--a2); border: 1px solid rgba(34,211,238,.35); background: rgba(34,211,238,.08);
}
.card h3 { margin: 0 0 8px; font-size: 1.35rem; }
.card p { margin: 0; color: var(--muted); }

footer { padding: 48px 16px 40px; color: var(--muted); font-size: .9rem; border-top: 1px solid var(--line); }

/* Reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (max-width: 520px) {
  nav a { margin-left: 14px; }
  .hero { min-height: 72vh; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}