/* roulang page: index */
:root {
      --primary-dark: #0F2C2E;
      --primary-deep: #164E51;
      --accent-emerald: #10B981;
      --accent-cyan: #06B6D4;
      --bg-surface: #F8FAFA;
      --text-main: #0F172A;
      --text-muted: #475569;
      --text-light: #94A3B8;
    }
    body {
      font-family: var(--font-sans);
      color: var(--text-main);
      background-color: var(--bg-surface);
      overflow-x: hidden;
    }
    .custom-shadow {
      box-shadow: 0 4px 20px -2px rgba(15, 44, 46, 0.06);
    }
    .hero-gradient {
      background: linear-gradient(135deg, rgba(15,44,46,0.92) 0%, rgba(22,78,81,0.85) 100%);
    }
    .glass-nav {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
    }