* { margin: 0; padding: 0; box-sizing: border-box; }
        
        /* Modern Color Palette */
        :root {
            --primary-cyan: #00D9FF;
            --primary-dark: #0A1E3D;
            --primary-blue: #1a4d7a;
            --accent-orange: #FF6B35;
            --accent-coral: #FF8C61;
            --success-green: #10B981;
            --warning-yellow: #F59E0B;
            --neutral-100: #F8FAFC;
            --neutral-200: #E2E8F0;
            --neutral-300: #CBD5E1;
            --neutral-700: #334155;
            --neutral-800: #1E293B;
            --neutral-900: #0F172A;
            --gradient-primary: linear-gradient(135deg, #00D9FF 0%, #0A78BE 100%);
            --gradient-accent: linear-gradient(135deg, #FF6B35 0%, #FF8C61 100%);
            --gradient-success: linear-gradient(135deg, #10B981 0%, #059669 100%);
        }
        
        /* SEO-friendly font settings with Poppins for headings */
        body { 
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.7;
            color: var(--neutral-700);
            font-size: 16px;
            background: var(--neutral-100);
        }
        
        /* Improved typography with Poppins */
        h1, h2, h3, h4, h5, h6 { 
            font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--primary-dark);
        }
        h1 { font-size: 2.75rem; line-height: 1.1; font-weight: 800; }
        h2 { font-size: 2.25rem; line-height: 1.2; }
        h3 { font-size: 1.625rem; line-height: 1.3; font-weight: 600; }
        p { font-size: 1.0625rem; line-height: 1.8; margin-bottom: 1.2rem; color: var(--neutral-700); }
        
        /* Smooth scrolling */
        html { scroll-behavior: smooth; }
        
        /* Enhanced Header with Banner Background */
        header { 
            background: url('images/banner.webp') center center / cover no-repeat;
            background-color: var(--primary-dark);
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            position: sticky; 
            top: 0; 
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        header::before { 
            content: ''; 
            position: absolute; 
            top: 0; left: 0; right: 0; bottom: 0; 
            background: linear-gradient(135deg, rgba(10, 30, 61, 0.7) 0%, rgba(10, 120, 190, 0.6) 100%);
            z-index: -1; 
        }
        .header-container { max-width: 1200px; margin: 0 auto; padding: 1rem 2rem; display: flex; align-items: center; justify-content: space-between; }
        .logo-container { display: flex; align-items: center; gap: 1rem; }
        .logo-container img { height: 60px; width: auto; transition: transform 0.3s; }
        .logo-container img:hover { transform: scale(1.05); }
        .company-name { color: #fff; font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; }
        
        /* Modern Navigation */
        nav { display: flex; gap: 2rem; }
        .nav-item { position: relative; }
        .nav-link { 
            color: rgba(255,255,255,0.95);
            text-decoration: none; 
            padding: 0.5rem 1rem; 
            display: block; 
            transition: all 0.3s ease; 
            font-weight: 500; 
            font-size: 1rem;
            border-radius: 6px;
        }
        .nav-link:hover { 
            color: var(--primary-cyan);
            background: rgba(0, 217, 255, 0.1);
            transform: translateY(-2px);
        }
        .dropdown-menu { 
            position: absolute; 
            top: 100%; 
            left: 0; 
            background: white;
            min-width: 250px; 
            box-shadow: 0 10px 40px rgba(0,0,0,0.15);
            opacity: 0; 
            visibility: hidden; 
            transform: translateY(-10px); 
            transition: all 0.3s ease; 
            border-radius: 8px;
            border: 1px solid var(--neutral-200);
        }
        .nav-item:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
        .dropdown-menu a { 
            color: var(--neutral-800);
            padding: 0.75rem 1.5rem; 
            display: block; 
            text-decoration: none; 
            transition: all 0.3s ease; 
            border-bottom: 1px solid var(--neutral-200);
            font-size: 0.95rem;
        }
        .dropdown-menu a:last-child { border-bottom: none; }
        .dropdown-menu a:hover { 
            background: var(--gradient-primary);
            color: white;
            padding-left: 2rem;
        }
        .mobile-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.5rem; cursor: pointer; }
        
        /* Vibrant Page Header */
        .page-header { 
            background: var(--gradient-primary);
            color: #fff; 
            padding: 4rem 2rem; 
            text-align: center; 
            position: relative;
            overflow: hidden;
        }
        .page-header::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
            animation: float 20s infinite ease-in-out;
        }
        .page-header::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: rgba(255, 107, 53, 0.1);
            border-radius: 50%;
            animation: float 15s infinite ease-in-out reverse;
        }
        @keyframes float {
            0%, 100% { transform: translateY(0) rotate(0deg); }
            50% { transform: translateY(-30px) rotate(180deg); }
        }
        .page-header h1 { font-size: 2.75rem; margin-bottom: 1rem; position: relative; z-index: 1; text-shadow: 0 2px 10px rgba(0,0,0,0.1); }
        .page-header p { font-size: 1.2rem; margin-bottom: 0; position: relative; z-index: 1; opacity: 0.95; }
        
        main { max-width: 1400px; margin: 0 auto; padding: 3rem 2rem; }
        
        /* Product Cards Grid */
        .products-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 2rem; margin: 3rem 0; }
        .product-card { 
            background: white;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            border: 1px solid var(--neutral-200);
            position: relative;
        }
        .product-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-primary);
            transform: scaleX(0);
            transition: transform 0.4s;
        }
        .product-card:hover::before {
            transform: scaleX(1);
        }
        .product-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 50px rgba(0, 217, 255, 0.2);
            border-color: var(--primary-cyan);
        }
        .product-image {
            width: 100%;
            height: 250px;
            object-fit: cover;
            transition: transform 0.4s;
        }
        .product-card:hover .product-image {
            transform: scale(1.05);
        }
        .product-content {
            padding: 2rem;
        }
        .product-title {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--primary-dark);
        }
        .product-description {
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 1.5rem;
            color: var(--neutral-700);
        }
        .product-link {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--primary-cyan);
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
        }
        .product-link:hover {
            gap: 1rem;
            color: var(--accent-orange);
        }
        
        /* Features Section */
        .features-section {
            background: white;
            padding: 4rem 4rem;
            border-radius: 16px;
            margin: 3rem auto;
            max-width: 1350px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.06);
        }
        .features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; margin: 2rem 0; }
        .feature-item {
            text-align: center;
            padding: 2rem;
            border-radius: 12px;
            transition: all 0.3s;
        }
        .feature-item:hover {
            background: var(--neutral-100);
            transform: translateY(-5px);
        }
        .feature-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
            animation: bounce 2s infinite;
        }
        @keyframes bounce {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }
        .feature-item:hover .feature-icon {
            animation: none;
        }
        .feature-title {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
            color: var(--primary-dark);
        }
        .feature-description {
            font-size: 0.95rem;
            color: var(--neutral-700);
        }
        
        /* CTA Section */
        .cta-section {
            background: var(--gradient-accent);
            color: white;
            padding: 4rem 2rem;
            text-align: center;
            border-radius: 20px;
            margin: 3rem 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '🚀';
            position: absolute;
            font-size: 15rem;
            opacity: 0.1;
            top: -50%;
            right: -10%;
            animation: float 10s infinite;
        }
        .cta-title {
            font-size: 2rem;
            margin-bottom: 1rem;
            position: relative;
            z-index: 1;
        }
        .cta-description {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            position: relative;
            z-index: 1;
        }
        .cta-button {
            display: inline-block;
            background: white;
            color: var(--accent-orange);
            padding: 1.25rem 3rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 700;
            font-size: 1.1rem;
            transition: all 0.4s;
            box-shadow: 0 8px 25px rgba(0,0,0,0.2);
            position: relative;
            z-index: 1;
        }
        .cta-button:hover {
            transform: translateY(-5px) scale(1.05);
            box-shadow: 0 15px 40px rgba(0,0,0,0.3);
        }
        
        /* Back to Top Button */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--gradient-primary);
            color: white;
            border: none;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            box-shadow: 0 8px 25px rgba(0, 217, 255, 0.4);
            opacity: 0;
            visibility: hidden;
            transition: all 0.4s;
            z-index: 998;
        }
        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            transform: translateY(-5px) scale(1.1);
            box-shadow: 0 12px 35px rgba(0, 217, 255, 0.5);
        }
        .back-to-top::before {
            content: '↑';
            font-size: 1.75rem;
            font-weight: bold;
        }
        
        footer { 
            background: var(--primary-dark);
            color: #fff;
            text-align: center; 
            padding: 3rem;
            margin-top: 5rem;
            font-size: 1rem;
        }
        
        /* Mobile optimizations */
        @media (max-width: 768px) {
            body { font-size: 15px; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.75rem; }
            h3 { font-size: 1.375rem; }
            .mobile-toggle { display: block; }
            nav { 
                display: none; 
                position: absolute; 
                top: 100%; 
                left: 0; 
                right: 0; 
                background: var(--primary-dark); 
                flex-direction: column; 
                gap: 0; 
                padding: 1rem 0; 
            }
            nav.active { display: flex; }
            .nav-item { width: 100%; }
            .nav-link { padding: 1rem 1.5rem; }
            .dropdown-menu { 
                position: static; 
                opacity: 1; 
                visibility: visible; 
                transform: none; 
                box-shadow: none; 
                background: rgba(255,255,255,0.05); 
                display: none;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.3s ease-out;
            }
            .nav-item.active .dropdown-menu { 
                display: block; 
                max-height: 500px;
            }
            .dropdown-menu a {
                color: rgba(255, 255, 255, 0.9);
                background: transparent;
            }
            .dropdown-menu a:hover {
                background: rgba(255, 255, 255, 0.1);
                color: var(--primary-cyan);
            }
            .page-header h1 { font-size: 2rem; }
            .products-grid { grid-template-columns: 1fr; }
            .features-grid { grid-template-columns: 1fr; }
            .back-to-top { bottom: 15px; right: 15px; width: 45px; height: 45px; font-size: 1.3rem; }
        }

/* Dropdown trigger button should look like a link */
.nav-toggle{
  background: none;
  border: none;
  cursor: pointer;
  font: inherit;
  text-align: left;
}

/* Accessibility: reduce motion if user prefers */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation: none !important; transition: none !important; }
}

/* Performance: on small screens, disable decorative animations to keep scroll smooth */
@media (max-width: 768px){
  .page-header::before,
  .page-header::after,
  .cta-section::before,
  .feature-icon{
    animation: none !important;
  }
}
