* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        :root {
            --primary-blue: #2563eb;
            --primary-blue-dark: #1d4ed8;
        }
        
        body {
            font-family: 'Inter', sans-serif;
            background: #ffffff;
            color: #000000;
            transition: all 0.3s ease;
            line-height: 1.6;
        }
        
        body.dark {
            background: #000000;
            color: #ffffff;
        }
        
        /* Scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
        }
        
        ::-webkit-scrollbar-track {
            background: #f1f1f1;
        }
        
        body.dark ::-webkit-scrollbar-track {
            background: #111;
        }
        
        ::-webkit-scrollbar-thumb {
            background: #888;
            border-radius: 4px;
        }
        
        body.dark ::-webkit-scrollbar-thumb {
            background: #444;
        }
        
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary-blue);
        }
        
        /* Scroll Progress */
        .scroll-progress {
            position: fixed;
            top: 0;
            left: 0;
            height: 2px;
            background: var(--primary-blue);
            z-index: 10000;
            transition: width 0.3s;
            width: 0%;
        }
        
        /* Header */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid #e5e5e5;
            z-index: 1000;
            transition: all 0.3s;
        }
        
        body.dark header {
            background: rgba(0, 0, 0, 0.98);
            border-bottom: 1px solid #222;
        }
        
        .navbar {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo img {
            height: 32px;
            width: auto;
        }
        
        .logo .light-logo {
            display: block;
        }
        
        .logo .dark-logo {
            display: none;
        }
        
        body.dark .logo .light-logo {
            display: none;
        }
        
        body.dark .logo .dark-logo {
            display: block;
        }
        
        /* Desktop Nav */
        .desktop-nav {
            display: none;
            align-items: center;
            gap: 30px;
        }
        
        @media (min-width: 1024px) {
            .desktop-nav {
                display: flex;
            }
        }
        
        .nav-item {
            position: relative;
            color: #666;
            font-weight: 500;
            font-size: 15px;
            cursor: pointer;
            padding: 10px 0;
            transition: color 0.3s;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        
        body.dark .nav-item {
            color: #999;
        }
        
        .nav-item:hover {
            color: #000;
        }
        
        body.dark .nav-item:hover {
            color: #fff;
        }
        
        .dropdown-indicator {
            font-size: 10px;
            transition: transform 0.3s;
        }
        
        .nav-item:hover .dropdown-indicator {
            transform: rotate(180deg);
        }
        
        /* Dropdown Menu */
        .dropdown {
            position: absolute;
            top: 100%;
            left: 0;
            margin-top: 10px;
            background: #fff;
            border-radius: 12px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.1);
            padding: 8px;
            min-width: 240px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-10px);
            transition: all 0.3s;
        }
        
        body.dark .dropdown {
            background: #111;
            box-shadow: 0 10px 40px rgba(0,0,0,0.5);
        }
        
        .nav-item:hover .dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        
        .dropdown-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 12px;
            border-radius: 8px;
            transition: background 0.3s;
            text-decoration: none;
            color: inherit;
        }
        
        .dropdown-item:hover {
            background: #f5f5f5;
        }
        
        body.dark .dropdown-item:hover {
            background: #222;
        }
        
        .dropdown-icon {
            width: 36px;
            height: 36px;
            background: #f8f8f8;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s;
        }
        
        body.dark .dropdown-icon {
            background: #1a1a1a;
        }
        
        .dropdown-item:hover .dropdown-icon {
            background: var(--primary-blue);
            transform: scale(1.05);
        }
        
        .dropdown-item:hover .dropdown-icon i {
            color: white;
        }
        
        .dropdown-icon i {
            color: #666;
            font-size: 14px;
        }
        
        body.dark .dropdown-icon i {
            color: #999;
        }
        
        /* Mega Menu */
        .mega-menu {
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid #e5e5e5;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
        }
        
        body.dark .mega-menu {
            background: #000;
            border-bottom: 1px solid #222;
        }
        
        .mega-menu.active {
            max-height: 500px;
        }
        
        .mega-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 40px 20px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
        }
        
        .mega-column h3 {
            font-size: 12px;
            font-weight: 600;
            text-transform: lowercase;
            letter-spacing: 0.05em;
            color: #666;
            margin-bottom: 16px;
        }
        
        body.dark .mega-column h3 {
            color: #999;
        }
        
   
        
        
        /* Mobile Toggle */
        .mobile-toggle {
            display: flex;
            flex-direction: column;
            gap: 4px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }
        
        @media (min-width: 1024px) {
            .mobile-toggle {
                display: none;
            }
        }
        
        .mobile-toggle span {
            width: 24px;
            height: 2px;
            background: #000;
            transition: all 0.3s;
        }
        
        body.dark .mobile-toggle span {
            background: #fff;
        }
        
        /* Mobile Menu */
        .mobile-menu {
            position: fixed;
            top: 0;
            right: -100%;
            width: 100%;
            max-width: 380px;
            height: 100vh;
            background: #fff;
            z-index: 9999;
            transition: right 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        
        body.dark .mobile-menu {
            background: #000;
        }
        
        .mobile-menu.active {
            right: 0;
        }
        
        .mobile-header {
            padding: 20px;
            border-bottom: 1px solid #e5e5e5;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        body.dark .mobile-header {
            border-bottom: 1px solid #222;
        }
        
        .mobile-close {
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            color: inherit;
        }
        
        .mobile-content {
            flex: 1;
            overflow-y: auto;
            padding: 20px;
        }
        
        .mobile-nav-item {
            display: block;
            padding: 12px 16px;
            border-radius: 8px;
            font-weight: 500;
            color: inherit;
            text-decoration: none;
            margin-bottom: 8px;
            cursor: pointer;
            transition: background 0.3s;
        }
        
        .mobile-nav-item:hover {
            background: #f5f5f5;
        }
        
        body.dark .mobile-nav-item:hover {
            background: #111;
        }
        
        .mobile-dropdown {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .mobile-dropdown i {
            transition: transform 0.3s;
            font-size: 12px;
        }
        
        .mobile-dropdown.active i {
            transform: rotate(90deg);
        }
        
        .mobile-submenu {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s;
        }
        
        .mobile-submenu.show {
            max-height: 300px;
        }
        
        .mobile-submenu a {
            display: block;
            padding: 8px 16px 8px 32px;
            color: #666;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s;
        }
        
        body.dark .mobile-submenu a {
            color: #999;
        }
        
        .mobile-submenu a:hover {
            color: var(--primary-blue);
        }
        
        .mobile-footer {
            padding: 20px;
            border-top: 1px solid #e5e5e5;
        }
        
        body.dark .mobile-footer {
            border-top: 1px solid #222;
        }
        
        .mobile-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.5);
            z-index: 9998;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
        }
        
        .mobile-overlay.active {
            opacity: 1;
            visibility: visible;
        }
        
        /* Main Content */
        main {
            padding-top: 64px;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #fff;
            padding: 40px 20px;
        }
        
        body.dark .hero {
            background: #000;
        }
        
        .hero-content {
            /* text-align: center; */
            /* max-width: 900px; */
        }
        
        .hero h1 {
            font-size: clamp(40px, 7vw, 72px);
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 24px;
        }
        
        .accent {
            color: var(--primary-blue);
        }
        
        .hero p {
            font-size: 18px;
            color: #666;
            margin-bottom: 40px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        
        body.dark .hero p {
            color: #999;
        }
        
        
        
        /* Stats */
        .stats {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
            margin-top: 80px;
        }
        
        @media (min-width: 768px) {
            .stats {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        
        .stat {
            text-align: center;
        }
        
        .stat-value {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary-blue);
            margin-bottom: 4px;
        }
        
        .stat-label {
            font-size: 14px;
            color: #666;
        }
        
        body.dark .stat-label {
            color: #999;
        }
        
        /* Features */
        .features {
            padding: 100px 20px;
            background: #f9f9f9;
        }
        
        body.dark .features {
            background: #0a0a0a;
        }
        
        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }
        
        .section-header h2 {
            font-size: 40px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        
        .section-header p {
            font-size: 18px;
            color: #666;
        }
        
        body.dark .section-header p {
            color: #999;
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .feature-card {
            background: #fff;
            padding: 30px;
            border-radius: 16px;
            border: 1px solid #e5e5e5;
            transition: all 0.3s;
        }
        
        body.dark .feature-card {
            background: #000;
            border: 1px solid #222;
        }
        
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
            border-color: var(--primary-blue);
        }
        
        .feature-icon {
            width: 48px;
            height: 48px;
            background: #f5f5f5;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }
        
        body.dark .feature-icon {
            background: #1a1a1a;
        }
        
        .feature-icon i {
            font-size: 20px;
            color: var(--primary-blue);
        }
        
        .feature-card h3 {
            font-size: 20px;
            margin-bottom: 12px;
        }
        
        .feature-card p {
            color: #666;
            font-size: 14px;
            line-height: 1.6;
        }
        
        body.dark .feature-card p {
            color: #999;
        }
        
        /* Footer */
        footer {
            background: #fff;
            border-top: 1px solid #e5e5e5;
            padding: 60px 20px 30px;
        }
        
        body.dark footer {
            background: #000;
            border-top: 1px solid #222;
        }
        
        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            gap: 40px;
            margin-bottom: 40px;
        }
        
        /* Mobile: 2 columns */
        @media (max-width: 767px) {
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
                gap: 30px 20px;
            }
        }
        
        /* Desktop: 4 columns */
        @media (min-width: 768px) {
            .footer-content {
                grid-template-columns: repeat(4, 1fr);
                gap: 40px;
            }
        }
        
        .footer-column h4 {
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
            text-transform: lowercase;
            letter-spacing: 0.05em;
        }
        
        .footer-column a {
            display: block;
            color: #666;
            text-decoration: none;
            padding: 6px 0;
            font-size: 14px;
            transition: color 0.3s;
        }
        
        body.dark .footer-column a {
            color: #999;
        }
        
        .footer-column a:hover {
            color: var(--primary-blue);
        }
        
        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #e5e5e5;
            color: #666;
            font-size: 14px;
        }
        
        body.dark .footer-bottom {
            border-top: 1px solid #222;
            color: #999;
        }
        
        /* Theme Toggle */
        .theme-toggle {
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            color: #666;
        }
        
        body.dark .theme-toggle {
            color: #999;
        }
        
        .theme-toggle:hover {
            color: var(--primary-blue);
        }