body {
      box-sizing: border-box;
      font-family: 'Inter', sans-serif;
      margin: 0;
      padding: 0;
    }
    
    h1, h2, h3, h4, h5, h6 {
      font-family: 'Poppins', sans-serif;
    }
    
    .glass-card {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(15px);
      border: 1px solid rgba(255, 255, 255, 0.3);
      transition: all 0.4s ease;
    }
    
    .glass-card:hover {
      transform: translateY(-10px) scale(1.02);
      box-shadow: 0 25px 50px rgba(30, 58, 138, 0.2);
    }
    
    .glow-effect:hover {
      box-shadow: 0 0 30px rgba(6, 182, 212, 0.6);
    }
    
    .ticker {
      animation: scroll 40s linear infinite;
    }
    
    @keyframes scroll {
      0% { transform: translateX(100%); }
      100% { transform: translateX(-100%); }
    }
    
    .fade-in {
      animation: fadeIn 0.8s ease-in;
    }
    
    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(30px); }
      to { opacity: 1; transform: translateY(0); }
    }
    
    .pulse-glow {
      animation: pulseGlow 3s ease-in-out infinite;
    }
    
    @keyframes pulseGlow {
      0%, 100% { box-shadow: 0 0 20px rgba(255, 107, 53, 0.4); }
      50% { box-shadow: 0 0 40px rgba(255, 107, 53, 0.8); }
    }
    
    .parallax-bg {
      background-attachment: fixed;
      background-position: center;
      background-repeat: no-repeat;
      background-size: cover;
    }
    
    .nav-link {
      position: relative;
      transition: all 0.3s ease;
    }
    
    .nav-link::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 0;
      height: 3px;
      background: linear-gradient(90deg, #06B6D4, #FF6B35);
      transition: width 0.3s ease;
    }
    
    .nav-link:hover::after {
      width: 100%;
    }
    
    .gradient-text {
      background: linear-gradient(135deg, #1E3A8A, #06B6D4, #FF6B35);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    
    .gradient-bg {
      background: linear-gradient(135deg, #1E3A8A 0%, #06B6D4 50%, #FF6B35 100%);
    }
    
    .toast {
      position: fixed;
      top: 20px;
      right: 20px;
      background: white;
      padding: 16px 24px;
      border-radius: 12px;
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
      z-index: 1000;
      animation: slideIn 0.4s ease;
    }
    
    @keyframes slideIn {
      from { transform: translateX(400px); opacity: 0; }
      to { transform: translateX(0); opacity: 1; }
    }
    
    .modal-overlay {
      background: rgba(0, 0, 0, 0.8);
      backdrop-filter: blur(8px);
    }
    
    .category-tag {
      font-size: 0.75rem;
      padding: 6px 14px;
      border-radius: 20px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.8px;
    }
    
    .floating-animation {
      animation: float 6s ease-in-out infinite;
    }
    
    @keyframes float {
      0%, 100% { transform: translateY(0px); }
      50% { transform: translateY(-20px); }
    }
    
    .carousel-container {
      overflow: hidden;
    }
    
    .carousel-track {
      display: flex;
      animation: carousel 20s linear infinite;
    }
    
    @media (max-width: 768px) {
      .carousel-track {
        animation: carousel 30s linear infinite;
      }
      
      .glass-card {
        min-width: 280px !important;
      }
      
      .hero-text {
        font-size: 2rem !important;
        line-height: 1.2 !important;
      }
      
      .category-grid {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
      }
    }
    
    @media (max-width: 480px) {
      .hero-text {
        font-size: 1.75rem !important;
      }
      
      .glass-card {
        min-width: 260px !important;
      }
      
      .carousel-container {
        padding: 0 1rem;
      }
    }
    
    @keyframes carousel {
      0% { transform: translateX(0); }
      100% { transform: translateX(-50%); }
    }
    
    .tech-grid {
      background: 
        radial-gradient(circle at 25% 25%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255, 107, 53, 0.1) 0%, transparent 50%);
    }
    
    .content-section {
      min-height: 100%;
      padding: 2rem 0;
    }
    
    .page-content {
      display: none;
    }
    
    .page-content.active {
      display: block;
    }