:root {
  --bg: #0b1020;
  --bg-soft: #11182e;
  --card: #161f3a;
  --text: #e8ecf6;
  --muted: #9aa6c4;
  --brand: #7c5cff;
  --brand-2: #22d3ee;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 16px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { width: min(1100px, 92%); margin: 0 auto; }

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 16, 32, 0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; }
.brand-dot {
  width: 14px; height: 14px; border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 0 16px var(--brand);
}
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a { color: var(--muted); font-weight: 500; transition: color .2s; }
.nav-links a:hover { color: var(--text); }

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  transition: transform .15s ease, box-shadow .15s ease;
  box-shadow: 0 8px 24px rgba(124, 92, 255, 0.35);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(124, 92, 255, 0.5); }

/* Hero */
.hero {
  position: relative;
  padding: 96px 0 80px;
  text-align: center;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -200px; left: 50%;
  transform: translateX(-50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(124,92,255,0.25), transparent 60%);
  z-index: 0;
}
.hero-inner { position: relative; z-index: 1; }
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 20ch;
  margin: 0 auto 20px;
}
.lead { color: var(--muted); font-size: 1.15rem; max-width: 56ch; margin: 0 auto 32px; }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Sections */
.section { padding: 88px 0; }
.section-title { font-size: clamp(1.8rem, 3.5vw, 2.5rem); font-weight: 800; text-align: center; letter-spacing: -0.02em; margin-bottom: 48px; }

/* Grid + cards */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 22px; }
.card {
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-4px); border-color: rgba(124,92,255,0.4); }
.card-icon { font-size: 1.8rem; margin-bottom: 14px; }
.card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: .96rem; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 32px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; }
.footer-inner p { color: var(--muted); font-size: .9rem; }

@media (max-width: 640px) {
  .nav-links { display: none; }
}