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

        body {
            font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: linear-gradient(135deg, #0f0f0f 0%, #1a1a2e 25%, #16213e 50%, #0f3460 75%, #533483 100%);
            color: #ffffff;
            overflow-x: hidden;
            min-height: 100vh;
        }

        /* Animated background particles */
        .bg-animation {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            overflow: hidden;
        }

        .particle {
            position: absolute;
            width: 4px;
            height: 4px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            animation: float 20s infinite linear;
        }

        @keyframes float {
            0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
            10% { opacity: 1; }
            90% { opacity: 1; }
            100% { transform: translateY(-100px) rotate(360deg); opacity: 0; }
        }

        /* Glassmorphism header */
        header {
            position: fixed;
            top: 20px;
            left: 50%;
            transform: translateX(-50%);
            width: 90%;
            max-width: 1200px;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 20px;
            padding: 15px 30px;
            z-index: 1000;
            transition: all 0.3s ease;
        }

        header:hover {
            background: rgba(255, 255, 255, 0.15);
            transform: translateX(-50%) translateY(-2px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 24px;
            font-weight: 700;
            background: linear-gradient(45deg, #ff6b6b, #4ecdc4, #45b7d1, #96ceb4);
            background-size: 300% 300%;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            animation: gradientShift 3s ease-in-out infinite;
        }

        @keyframes gradientShift {
            0%, 100% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
        }

        .nav-links {
            display: flex;
            gap: 30px;
            list-style: none;
        }

        .nav-links a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            position: relative;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
            transition: width 0.3s ease;
        }

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

        .nav-links a:hover {
            color: #ffffff;
            transform: translateY(-2px);
        }

        /* Mobile menu */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: #ffffff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 5px;
        }

        .mobile-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: rgba(0, 0, 0, 0.9);
            backdrop-filter: blur(20px);
            border-radius: 15px;
            margin-top: 10px;
            overflow: hidden;
        }

        .mobile-menu.active {
            display: block;
            animation: slideDown 0.3s ease-out;
        }

        @keyframes slideDown {
            from { opacity: 0; transform: translateY(-10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .mobile-menu a {
            display: block;
            padding: 15px 20px;
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s ease;
        }

        .mobile-menu a:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
        }

        .mobile-menu a:last-child {
            border-bottom: none;
        }

        /* Hero section */
        .hero {
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            position: relative;
            padding: 0 20px;
        }

        .hero-content {
            max-width: 800px;
            animation: fadeInUp 1s ease-out;
        }

        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(50px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .hero h1 {
            font-size: clamp(2.5rem, 8vw, 6rem);
            font-weight: 800;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            animation: textGlow 2s ease-in-out infinite alternate;
            line-height: 1.1;
        }

        @keyframes textGlow {
            from { filter: drop-shadow(0 0 20px rgba(102, 126, 234, 0.5)); }
            to { filter: drop-shadow(0 0 30px rgba(118, 75, 162, 0.8)); }
        }

        .hero p {
            font-size: clamp(1rem, 4vw, 1.4rem);
            margin-bottom: 40px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.6;
        }

        .cta-button {
            display: inline-block;
            padding: 18px 40px;
            background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: clamp(1rem, 3vw, 1.1rem);
            transition: all 0.3s ease;
            box-shadow: 0 10px 30px rgba(255, 107, 107, 0.3);
            position: relative;
            overflow: hidden;
        }

        .cta-button::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: left 0.5s ease;
        }

        .cta-button:hover::before {
            left: 100%;
        }

        .cta-button:hover {
            transform: translateY(-3px) scale(1.05);
            box-shadow: 0 20px 40px rgba(255, 107, 107, 0.5);
        }

        /* Features section */
        .features {
            padding: 100px 20px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .features h2 {
            text-align: center;
            font-size: clamp(2rem, 6vw, 3rem);
            margin-bottom: 60px;
            background: linear-gradient(45deg, #ffeaa7, #fab1a0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .feature-card {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            padding: 30px;
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: conic-gradient(from 0deg, transparent, rgba(255, 255, 255, 0.1), transparent);
            animation: rotate 4s linear infinite;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .feature-card:hover::before {
            opacity: 1;
        }

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

        .feature-card:hover {
            transform: translateY(-10px);
            background: rgba(255, 255, 255, 0.1);
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
        }

        .feature-icon {
            font-size: clamp(2rem, 6vw, 3rem);
            margin-bottom: 20px;
            display: block;
        }

        .feature-card h3 {
            font-size: clamp(1.2rem, 4vw, 1.5rem);
            margin-bottom: 15px;
            color: #ffffff;
        }

        .feature-card p {
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.6;
            font-size: clamp(0.9rem, 3vw, 1rem);
        }

        /* Floating elements */
        .floating-elements {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: -1;
        }

        .floating-shape {
            position: absolute;
            border-radius: 50%;
            opacity: 0.1;
            animation: floatAround 15s infinite ease-in-out;
        }

        .shape1 {
            width: 100px;
            height: 100px;
            background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
            top: 20%;
            left: 10%;
            animation-delay: 0s;
        }

        .shape2 {
            width: 150px;
            height: 150px;
            background: linear-gradient(45deg, #667eea, #764ba2);
            top: 60%;
            right: 15%;
            animation-delay: 2s;
        }

        .shape3 {
            width: 80px;
            height: 80px;
            background: linear-gradient(45deg, #ffeaa7, #fab1a0);
            bottom: 30%;
            left: 20%;
            animation-delay: 4s;
        }

        @keyframes floatAround {
            0%, 100% { transform: translate(0, 0) rotate(0deg); }
            25% { transform: translate(30px, -30px) rotate(90deg); }
            50% { transform: translate(-20px, 20px) rotate(180deg); }
            75% { transform: translate(-30px, -20px) rotate(270deg); }
        }

        /* Mobile responsive design */
        @media (max-width: 768px) {
            header {
                width: 95%;
                padding: 12px 20px;
                top: 10px;
            }

            .nav-links {
                display: none;
            }

            .mobile-menu-btn {
                display: block;
            }
            
            .logo {
                font-size: 20px;
            }
            
            .hero {
                padding: 100px 15px 50px;
                min-height: 100vh;
            }

            .hero-content {
                padding: 0;
            }
            
            .hero h1 {
                font-size: clamp(2rem, 10vw, 3.5rem);
                margin-bottom: 15px;
            }

            .hero p {
                font-size: clamp(1rem, 4vw, 1.2rem);
                margin-bottom: 30px;
            }

            .cta-button {
                padding: 15px 30px;
                font-size: 1rem;
            }
            
            .features {
                padding: 60px 15px;
            }

            .features h2 {
                font-size: clamp(1.8rem, 8vw, 2.5rem);
                margin-bottom: 40px;
            }
            
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 25px;
            }

            .feature-card {
                padding: 25px 20px;
            }

            .feature-icon {
                font-size: 2.5rem;
                margin-bottom: 15px;
            }

            .feature-card h3 {
                font-size: 1.3rem;
                margin-bottom: 12px;
            }

            .feature-card p {
                font-size: 0.95rem;
            }

            /* Reduce floating shapes on mobile */
            .floating-shape {
                opacity: 0.05;
            }

            .shape1 {
                width: 60px;
                height: 60px;
            }

            .shape2 {
                width: 80px;
                height: 80px;
            }

            .shape3 {
                width: 50px;
                height: 50px;
            }

            /* Disable hover effects on mobile */
            .feature-card:hover {
                transform: none;
            }

            .cta-button:hover {
                transform: none;
            }

            header:hover {
                transform: translateX(-50%);
            }
        }

        @media (max-width: 480px) {
            header {
                width: 98%;
                padding: 10px 15px;
                border-radius: 15px;
            }

            .logo {
                font-size: 18px;
            }

            .hero {
                padding: 90px 10px 40px;
            }

            .hero h1 {
                font-size: clamp(1.8rem, 12vw, 3rem);
            }

            .hero p {
                font-size: clamp(0.9rem, 4vw, 1.1rem);
            }

            .cta-button {
                padding: 12px 25px;
                font-size: 0.95rem;
            }

            .features {
                padding: 50px 10px;
            }

            .feature-card {
                padding: 20px 15px;
            }

            .mobile-menu a {
                padding: 12px 15px;
                font-size: 0.95rem;
            }
        }

        @media (max-width: 360px) {
            .hero h1 {
                font-size: 2rem;
            }

            .hero p {
                font-size: 1rem;
            }

            .features h2 {
                font-size: 1.8rem;
            }

            .feature-card {
                padding: 15px 12px;
            }
        }

        /* Landscape mobile orientation */
        @media (max-height: 500px) and (orientation: landscape) {
            .hero {
                height: auto;
                min-height: 100vh;
                padding: 120px 20px 50px;
            }

            .hero h1 {
                font-size: 2.5rem;
                margin-bottom: 10px;
            }

            .hero p {
                font-size: 1.1rem;
                margin-bottom: 25px;
            }
        }