:root {
  --bg: #0b0b14;
  --surface: #151525;
  --text: #f2f2f7;
  --muted: #a3a3b8;
  --accent: #8b5cf6;
  --accent-2: #22d3ee;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(60rem 30rem at 15% -10%, rgba(139, 92, 246, 0.25), transparent 60%),
    radial-gradient(50rem 30rem at 110% 110%, rgba(34, 211, 238, 0.18), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

.nav, .footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem clamp(1.25rem, 5vw, 4rem);
}

.brand { display: flex; align-items: center; gap: 0.6rem; font-weight: 700; letter-spacing: 0.02em; }

.nav-link { color: var(--muted); font-size: 0.95rem; }
.nav-link:hover { color: var(--text); }

.hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem clamp(1.25rem, 5vw, 4rem);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.8rem;
  color: var(--accent-2);
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(3rem, 12vw, 7.5rem);
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.accent {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tagline {
  max-width: 36rem;
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: clamp(1rem, 2.5vw, 1.2rem);
}

.actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem; margin-top: 2.25rem; }

.btn {
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 0.15s ease, background 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn.primary { background: linear-gradient(90deg, var(--accent), var(--accent-2)); color: var(--bg); }
.btn.ghost { border: 1px solid rgba(255, 255, 255, 0.18); background: var(--surface); }

.footer { color: var(--muted); font-size: 0.85rem; flex-wrap: wrap; }
.footer a:hover { color: var(--text); }