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

        :root {
            --primary: #6366f1;
            --secondary: #8b5cf6;
            --dark: #0f172a;
            --light: #f8fafc;
            --accent: #22d3ee;
            --bg-primary: #0f172a;
            --bg-secondary: #1e293b;
            --text-primary: #f8fafc;
            --text-secondary: #cbd5e1;
            --card-bg: rgba(255, 255, 255, 0.05);
            --border-color: rgba(255, 255, 255, 0.1);
        }

        body.light-mode {
            --bg-primary: #ffffff;
            --bg-secondary: #f1f5f9;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --card-bg: rgba(0, 0, 0, 0.03);
            --border-color: rgba(0, 0, 0, 0.1);
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            overflow-x: hidden;
            transition: background 0.3s ease, color 0.3s ease;
        }

        /* Navigation */
        nav {
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            padding: 1.5rem 5%;
            background: rgba(15, 23, 42, 0.8);
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
        }

        body.light-mode nav {
            background: rgba(255, 255, 255, 0.8);
        }

        nav.scrolled {
            padding: 1rem 5%;
            background: rgba(15, 23, 42, 0.95);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }

        body.light-mode nav.scrolled {
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
        }

        .nav-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: bold;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-links {
            display: flex;
            gap: 2rem;
            list-style: none;
        }

        .nav-links a {
            color: var(--text-primary);
            text-decoration: none;
            transition: color 0.3s ease;
            position: relative;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.3s ease;
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        /* Theme Toggle */
        .theme-toggle {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            padding: 0.5rem 1rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s ease;
        }

        .theme-toggle:hover {
            background: var(--accent);
            border-color: var(--accent);
            transform: scale(1.05);
        }

        .theme-icon {
            font-size: 1.2rem;
            transition: transform 0.3s ease;
        }

        .theme-toggle:hover .theme-icon {
            transform: rotate(20deg);
        }

        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
            padding: 2rem;
        }

        .hero-background {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
        }

        .gradient-blob {
            position: absolute;
            border-radius: 50%;
            filter: blur(80px);
            opacity: 0.3;
            animation: float 20s infinite ease-in-out;
            transition: opacity 0.3s ease;
        }

        body.light-mode .gradient-blob {
            opacity: 0.15;
        }

        .blob1 {
            width: 500px;
            height: 500px;
            background: var(--primary);
            top: 10%;
            left: 10%;
            animation-delay: 0s;
        }

        .blob2 {
            width: 400px;
            height: 400px;
            background: var(--secondary);
            bottom: 10%;
            right: 10%;
            animation-delay: 5s;
        }

        .blob3 {
            width: 350px;
            height: 350px;
            background: var(--accent);
            top: 50%;
            left: 50%;
            animation-delay: 10s;
        }

        @keyframes float {
            0%, 100% { transform: translate(0, 0) rotate(0deg); }
            25% { transform: translate(50px, 50px) rotate(90deg); }
            50% { transform: translate(0, 100px) rotate(180deg); }
            75% { transform: translate(-50px, 50px) rotate(270deg); }
        }

        .hero-content {
            max-width: 1200px;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .hero h1 {
            font-size: clamp(2.5rem, 6vw, 5rem);
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }

        .gradient-text {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero p {
            font-size: clamp(1rem, 2vw, 1.3rem);
            margin-bottom: 2rem;
            color: var(--text-secondary);
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-buttons {
            display: flex;
            gap: 1.5rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            padding: 1rem 2.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            border: none;
        }

        .btn-primary::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--secondary), var(--accent));
            transition: left 0.3s ease;
            z-index: -1;
        }

        .btn-primary:hover::before {
            left: 0;
        }

        .btn-secondary {
            background: transparent;
            color: var(--light);
            border: 2px solid var(--accent);
        }

        .btn-secondary:hover {
            background: var(--accent);
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(34, 211, 238, 0.3);
        }

        /* Services Section */
        .services {
            padding: 8rem 5%;
            max-width: 1400px;
            margin: 0 auto;
        }

        .section-title {
            text-align: center;
            font-size: clamp(2rem, 4vw, 3.5rem);
            margin-bottom: 4rem;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .service-card {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 2.5rem;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .service-card:hover::before {
            opacity: 0.1;
        }

        .service-card:hover {
            transform: translateY(-10px);
            border-color: var(--accent);
            box-shadow: 0 20px 60px rgba(99, 102, 241, 0.2);
        }

        .service-icon {
            font-size: 3rem;
            margin-bottom: 1.5rem;
            display: inline-block;
        }

        .service-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--accent);
        }

        .service-card p {
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Features Section */
        .features {
            padding: 8rem 5%;
            background: linear-gradient(180deg, transparent, rgba(99, 102, 241, 0.05));
        }

        .features-container {
            max-width: 1400px;
            margin: 0 auto;
        }

        .feature-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 4rem;
            margin-bottom: 6rem;
            align-items: center;
        }

        .feature-image {
            width: 100%;
            height: 400px;
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 5rem;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .feature-content h3 {
            font-size: 2rem;
            margin-bottom: 1rem;
            color: var(--accent);
        }

        .feature-content p {
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 1.1rem;
        }

        /* Stats Section */
        .stats {
            padding: 6rem 5%;
            background: rgba(99, 102, 241, 0.05);
        }

        .stats-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 3rem;
            text-align: center;
        }

        .stat-item h3 {
            font-size: 3.5rem;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 0.5rem;
        }

        .stat-item p {
            color: var(--text-secondary);
            font-size: 1.1rem;
        }

        /* Contact Section */
        .contact {
            padding: 8rem 5%;
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .contact-form {
            margin-top: 3rem;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .form-group {
            position: relative;
        }

        .contact-form input,
        .contact-form textarea {
            width: 100%;
            padding: 1.2rem;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            color: var(--text-primary);
            font-size: 1rem;
            transition: all 0.3s ease;
        }

        .contact-form input:focus,
        .contact-form textarea:focus {
            outline: none;
            border-color: var(--accent);
            background: var(--card-bg);
        }

        .contact-form textarea {
            resize: vertical;
            min-height: 150px;
        }

        .contact-form button {
            cursor: pointer;
            font-size: 1.1rem;
        }

        /* Footer */
        footer {
            padding: 3rem 5%;
            text-align: center;
            background: var(--card-bg);
            border-top: 1px solid var(--border-color);
        }

        .social-links {
            display: flex;
            gap: 2rem;
            justify-content: center;
            margin-bottom: 1.5rem;
        }

        .social-links a {
            color: var(--text-primary);
            font-size: 1.5rem;
            transition: all 0.3s ease;
        }

        .social-links a:hover {
            color: var(--accent);
            transform: translateY(-3px);
        }

        /* Scroll Indicator */
        .scroll-indicator {
            position: absolute;
            bottom: 2rem;
            left: 50%;
            transform: translateX(-50%);
            animation: bounce 2s infinite;
        }

        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
            40% { transform: translateX(-50%) translateY(-20px); }
            60% { transform: translateX(-50%) translateY(-10px); }
        }

        @media (max-width: 768px) {
            .nav-links {
                gap: 1rem;
            }

            .feature-row {
                grid-template-columns: 1fr;
            }

            .services-grid,
            .stats-container {
                grid-template-columns: 1fr;
            }
        }