/* roulang page: index */
:root {
      --brand-cyan: #00F2FE;
      --brand-blue: #4FACFE;
      --brand-purple: #7F00FF;
      --brand-neon: #E100FF;
      --bg-dark: #0B0E14;
      --bg-surface: #121824;
      --bg-card: #182234;
      --border-color: #24324a;
    }
    body {
      background-color: var(--bg-dark);
      color: #CBD5E1;
      overflow-x: hidden;
    }
    .text-gradient {
      background: linear-gradient(135deg, #00F2FE 0%, #4FACFE 50%, #E100FF 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .border-gradient {
      border-image: linear-gradient(to right, #00F2FE, #7F00FF) 1;
    }
    .glow-cyan {
      box-shadow: 0 0 25px rgba(0, 242, 254, 0.25);
    }
    .glow-purple {
      box-shadow: 0 0 25px rgba(127, 0, 255, 0.25);
    }
    .grid-bg {
      background-image: radial-gradient(rgba(79, 172, 254, 0.08) 1px, transparent 1px);
      background-size: 28px 28px;
    }
    .accordion-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .accordion-item.active .accordion-content {
      max-height: 240px;
    }
    .accordion-item.active .accordion-icon {
      transform: rotate(180deg);
      color: var(--brand-cyan);
    }
    .badge-tech {
      display: inline-flex;
      align-items: center;
      padding: 0.25rem 0.75rem;
      border-radius: 9999px;
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.05em;
      background: rgba(0, 242, 254, 0.1);
      color: #00F2FE;
      border: 1px solid rgba(0, 242, 254, 0.3);
    }