:root {
  color-scheme: dark;
  --bg: #080b14;
  --panel: rgba(255, 255, 255, 0.06);
  --text: #f7f8fb;
  --muted: #b4bdd7;
  --accent: #8b5cf6;
  --accent-2: #ec4899;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: radial-gradient(circle at top left, #141b2d 0%, var(--bg) 45%, #070911 100%);
  color: var(--text);
}

.hero {
  min-height: 100vh;
  padding: 1.5rem clamp(1.2rem, 3vw, 3rem) 4rem;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1140px;
  margin: 0 auto 3rem;
}

.brand {
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav-links { display: flex; gap: 1.2rem; }
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
}

.hero-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  color: #c7b5ff;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
}

h1, h2, h3 { margin-top: 0; }
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); line-height: 1.1; }
.hero-copy { color: var(--muted); font-size: 1.05rem; max-width: 650px; }
.hero-actions, .download-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1.4rem; }
.download-actions { margin-top: 1rem; }
.download-status { margin-top: 1rem; color: var(--muted); }
.primary-btn, .secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.3rem;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
}
.primary-btn {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
}
.secondary-btn {
  background: rgba(255,255,255,0.08);
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.16);
}
.hero-card, .card, .section {
  background: var(--panel);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 24px;
  backdrop-filter: blur(16px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.24);
}
.hero-card { padding: 1.4rem; }
.hero-card ul { padding-left: 1rem; color: var(--muted); }
main { padding: 0 1.2rem 4rem; }
.section { max-width: 1140px; margin: 0 auto 1.6rem; padding: 2rem; }
.alt { background: linear-gradient(135deg, rgba(139,92,246,0.14), rgba(236,72,153,0.12)); }
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.card { padding: 1.4rem; }
.card p { color: var(--muted); }

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
}