:root {
  --bg: #0f0f1e;
  --bg-card: #15152a;
  --accent: #00d4ff;
  --accent-dim: #0099bb;
  --text: #e0e0e0;
  --text-muted: #9090a0;
  --heading: #ffffff;
  --border: #1a1a2e;
  --max-width: 1200px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

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

h1, h2, h3, h4 { color: var(--heading); line-height: 1.2; font-weight: 700; }
h1 { font-size: 3rem; font-weight: 800; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.25rem; }

p { color: var(--text); }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

img, svg { display: block; max-width: 100%; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 80px 0; }