/* Dark theme */
[data-theme="dark"] {
  --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --primary-color: #60a5fa;
  --text-color: #e5e7eb;
  --light-text: #d1d5db;
  --background: #111827;
  --section-bg: #1f2937;
  --nav-bg: rgba(17, 24, 39, 0.95);
  --hero-bg: linear-gradient(135deg, #111827 0%, #1f2937 100%);
  --border-color: rgba(255, 255, 255, 0.1);
}