:root {
      --primary: #6366f1;
      --primary-dark: #4f46e5;
      --secondary: #06b6d4;
      --accent: #f59e0b;
      --bg-dark: #0f172a;
      --bg-card: #1e293b;
      --bg-card-hover: #334155;
      --text-primary: #f8fafc;
      --text-secondary: #94a3b8;
      --border: #334155;
      --success: #10b981;
      --error: #ef4444;
      --gradient-1: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
      --gradient-2: linear-gradient(135deg, #06b6d4 0%, #10b981 100%);
      --gradient-3: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
      --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
      --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
      --radius: 16px;
      --radius-sm: 8px;
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    }

    body {
      background-color: var(--bg-dark);
      color: var(--text-primary);
      line-height: 1.6;
      padding: 3rem 1rem;
    }
     .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(99, 102, 241, 0.15);
            border: 1px solid rgba(99, 102, 241, 0.3);
            padding: 0.5rem 1.2rem;
            border-radius: 50px;
            font-size: 0.85rem;
            color: #a5b4fc;
            margin-bottom: 1.5rem;
            animation: fadeInUp 0.8s ease;
        }

        .hero-badge .dot {
            width: 8px;
            height: 8px;
            background: var(--success);
            border-radius: 50%;
            animation: pulse 2s infinite;
        }

    .container {
      max-width: 1000px;
      margin: 0 auto;
    }

    .hero {
      text-align: center;
      padding: 2rem 0 4rem;
    }

    .badge-pill {
      display: inline-block;
      background: rgba(99, 102, 241, 0.15);
      border: 1px solid var(--primary);
      color: var(--secondary);
      padding: 0.35rem 1rem;
      border-radius: 50px;
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 1.25rem;
    }

    .gradient-text {
      background: var(--gradient-1);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero h1 {
      font-size: 2.75rem;
      font-weight: 800;
      margin-bottom: 1rem;
      letter-spacing: -0.02em;
    }

    .hero p {
      color: var(--text-secondary);
      font-size: 1.15rem;
      max-width: 680px;
      margin: 0 auto;
    }

    .grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 1.5rem;
      margin-bottom: 4rem;
    }

    .card {
      background-color: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 2rem;
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
    }

    .card:hover {
      background-color: var(--bg-card-hover);
      transform: translateY(-4px);
      box-shadow: var(--shadow);
    }

    .card-icon {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-sm);
      background: var(--gradient-1);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      margin-bottom: 1.25rem;
    }

    .card h3 {
      font-size: 1.25rem;
      margin-bottom: 0.5rem;
    }

    .card p {
      color: var(--text-secondary);
      font-size: 0.95rem;
    }

    .section-heading {
      font-size: 1.85rem;
      margin-bottom: 1.5rem;
      text-align: center;
    }

    .tech-stack {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 2.5rem;
      margin-bottom: 4rem;
    }

    .tech-stack p {
      color: var(--text-secondary);
      margin-bottom: 1.5rem;
    }

    .badge-container {
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem;
    }

    .badge {
      background-color: var(--bg-dark);
      border: 1px solid var(--border);
      color: var(--secondary);
      padding: 0.5rem 1rem;
      border-radius: var(--radius-sm);
      font-size: 0.875rem;
      font-weight: 600;
    }

    /* Accordion FAQ */
    .faq-section {
      margin-bottom: 4rem;
    }

    .faq-item {
      background-color: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      margin-bottom: 1rem;
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      text-align: left;
      padding: 1.25rem 1.5rem;
      background: none;
      border: none;
      color: var(--text-primary);
      font-size: 1.05rem;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      padding: 0 1.5rem;
      color: var(--text-secondary);
      font-size: 0.95rem;
    }

    .faq-item.active .faq-answer {
      padding-bottom: 1.25rem;
    }

    .faq-toggle {
      font-size: 1.25rem;
      color: var(--secondary);
      transition: var(--transition);
    }

    .faq-item.active .faq-toggle {
      transform: rotate(45deg);
    }