:root {
      --primary-dark: #0E0E0E;
      --secondary-dark: #1F1F1F;
      --accent-gold: #D4AF37;
      --text-light: #E8E8E8;
      --text-muted: #B0B0B0;
      --border-color: #333333;
    }

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

    body {
      font-family: 'Inter', 'Segoe UI', sans-serif;
      background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
      color: var(--text-light);
      line-height: 1.6;
      min-height: 100vh;
    }

    /* Navigation */
    .navbar {
      background: rgba(14, 14, 14, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      padding: 1rem 0;
    }

    .navbar-brand {
      font-weight: 700;
      font-size: 1.5rem;
      color: var(--accent-gold) !important;
    }

    .nav-link {
      color: var(--text-light) !important;
      font-weight: 500;
      transition: color 0.3s ease;
    }

    .nav-link:hover {
      color: var(--accent-gold) !important;
    }

    .navbar-toggler {
      border: none;
      padding: 0.25rem 0.5rem;
    }

    .navbar-toggler-icon {
      background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28232, 232, 232, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    }

    /* Hero Section */
    .hero {
      background: linear-gradient(135deg, var(--primary-dark) 0%, #1a1a1a 100%);
      padding: 100px 0 10px;
      position: relative;
      overflow: hidden;
    }

    .hero::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23333" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
      opacity: 0.1;
    }

    .hero-content {
      position: relative;
      z-index: 2;
    }

    .hero h1 {
      font-size: 3.5rem;
      font-weight: 800;
      margin-bottom: 1rem;
      background: linear-gradient(135deg, var(--accent-gold), #b8941f);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .hero .lead {
      font-size: 1.3rem;
      color: var(--text-muted);
      margin-bottom: 2rem;
    }

    .hero-logo {
      max-width: 250px;
      width: auto;
      height: auto;
    }

    /* Verification Section */
    .verification-section {
      padding: 50px 0 50px;
      background: var(--secondary-dark);
    }

    .verification-card {
      background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);
      border: 1px solid var(--border-color);
      border-radius: 20px;
      padding: 3rem;
      backdrop-filter: blur(10px);
      box-shadow: 0 20px 40px rgba(0,0,0,0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .verification-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 30px 60px rgba(0,0,0,0.4);
    }

    .verification-title {
      font-size: 2rem;
      color: #E8E8E8;
      font-weight: 700;
      margin-bottom: 1rem;
      text-align: center;
    }

    .verification-subtitle {
      color: var(--text-muted);
      text-align: center;
      margin-bottom: 2rem;
    }

    .input-group-custom {
      position: relative;
      margin-bottom: 2rem;
    }

    .form-control-custom {
      background: rgba(255,255,255,0.05);
      border: 2px solid var(--border-color);
      border-radius: 15px;
      padding: 1rem 1.5rem;
      font-size: 1.1rem;
      color: var(--text-light);
      transition: all 0.3s ease;
      width: 100%;
    }

    .form-control-custom:focus {
      background: rgba(255,255,255,0.08);
      border-color: var(--accent-gold);
      box-shadow: 0 0 0 0.2rem rgba(212, 175, 55, 0.25);
      outline: none;
    }

    .form-control-custom::placeholder {
      color: var(--text-muted);
    }

    .btn-verify {
      background: linear-gradient(135deg, var(--accent-gold), #b8941f);
      border: none;
      border-radius: 15px;
      padding: 1rem 2rem;
      font-size: 1.1rem;
      font-weight: 600;
      color: var(--primary-dark);
      transition: all 0.3s ease;
      width: 100%;
    }

    .btn-verify:hover {
      background: linear-gradient(135deg, #b8941f, var(--accent-gold));
      transform: translateY(-2px);
      box-shadow: 0 10px 25px rgba(212, 175, 55, 0.3);
    }

    /* Features Section */
    .features-section {
      padding: 50px 0 50px;
      background: var(--secondary-dark);
    }

    .section-title {
      font-size: 2.5rem;
      font-weight: 700;
      text-align: center;
      margin-bottom: 3rem;
      color: var(--text-light);
    }

    .feature-card {
      background: rgba(255,255,255,0.03);
      border: 1px solid var(--border-color);
      border-radius: 15px;
      padding: 2rem;
      text-align: center;
      transition: all 0.3s ease;
      height: 100%;
    }

    .feature-card:hover {
      transform: translateY(-5px);
      border-color: var(--accent-gold);
      background: rgba(255,255,255,0.05);
    }

    .feature-icon {
      font-size: 3rem;
      color: var(--accent-gold);
      margin-bottom: 1rem;
    }

    .feature-title {
      font-size: 1.3rem;
      color: #E8E8E8;
      font-weight: 600;
      margin-bottom: 1rem;
    }

    .feature-description {
      color: var(--text-muted);
    }

    /* Products Section */
    .products-section {
      padding: 50px 0 50px;
      background: var(--primary-dark);
    }

    .products-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
      gap: 3rem;
      max-width: 1000px;
      margin: 0 auto;
    }

    .product-card {
      background: linear-gradient(135deg, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0.03) 100%);
      border: 1px solid var(--border-color);
      border-radius: 20px;
      padding: 2rem;
      backdrop-filter: blur(10px);
      transition: all 0.4s ease;
      position: relative;
      overflow: hidden;
      text-align: center;
    }

    .product-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.1), transparent);
      transition: left 0.6s ease;
    }

    .product-card:hover::before {
      left: 100%;
    }

    .product-card:hover {
      transform: translateY(-10px) scale(1.02);
      box-shadow: 0 25px 50px rgba(0,0,0,0.4);
      border-color: var(--accent-gold);
    }

    .product-image {
      max-height: 250px;
      width: 100%;
      object-fit: contain;
      margin-bottom: 1.5rem;
      border-radius: 10px;
      transition: transform 0.3s ease;
    }

    .product-card:hover .product-image {
      transform: scale(1.05);
    }

    .product-title {
      font-size: 1.5rem;
      font-weight: 700;
      margin-bottom: 0.5rem;
      color: var(--accent-gold);
    }

    .product-description {
      color: var(--text-muted);
      font-size: 1rem;
      margin-bottom: 1.5rem;
    }

    /* Footer */
    .footer {
      background: var(--primary-dark);
      border-top: 1px solid var(--border-color);
      padding: 60px 0 30px;
    }

    .footer-content {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 2rem;
      margin-bottom: 2rem;
    }

    .footer-section h5 {
      color: var(--accent-gold);
      margin-bottom: 1rem;
      font-weight: 600;
    }

    .footer-section p,
    .footer-section a {
      color: var(--text-muted);
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .footer-section a:hover {
      color: var(--accent-gold);
    }

    .footer-bottom {
      border-top: 1px solid var(--border-color);
      padding-top: 2rem;
      text-align: center;
      color: var(--text-muted);
    }

    /* Loading Animation */
    .loading {
      display: none;
      width: 20px;
      height: 20px;
      border: 2px solid var(--primary-dark);
      border-top: 2px solid transparent;
      border-radius: 50%;
      animation: spin 1s linear infinite;
      margin-right: 0.5rem;
    }

    @keyframes spin {
      0% { transform: rotate(0deg); }
      100% { transform: rotate(360deg); }
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .hero h1 {
        font-size: 2.5rem;
      }
      
      .verification-card {
        padding: 2rem;
      }
      
      .products-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
      }
    }