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

        body {
            font-family: 'Arial', sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header */
        header {
            background: rgba(0, 0, 0, 0.1);
            backdrop-filter: blur(10px);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            transition: all 0.3s ease;
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            color: #fff;
            text-decoration: none;
        }

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

        .nav-links a {
            color: #fff;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .nav-links a:hover {
            color: #ffd700;
        }

            .gallery-item img {
                height: 100%;
                width: auto;
                object-fit: cover; 
                display: block;
                max-width: 100%;
            }

        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.1)" points="0,1000 1000,0 1000,1000"/></svg>');
            animation: float 6s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-20px); }
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero h1 {
            font-size: 4rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            animation: slideInDown 1s ease-out;
        }

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

        .hero p {
            font-size: 1.3rem;
            margin-bottom: 2rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            animation: slideInUp 1s ease-out 0.5s both;
        }

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

        .cta-button {
            display: inline-block;
            background: linear-gradient(45deg, #ffd700, #ff6b6b);
            color: #fff;
            padding: 15px 40px;
            text-decoration: none;
            border-radius: 50px;
            font-weight: bold;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
            animation: pulse 2s infinite;
        }

        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.4);
        }

        @keyframes pulse {
            0% { box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
            50% { box-shadow: 0 10px 30px rgba(255,215,0,0.4); }
            100% { box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
        }

        /* Sections */
        section {
            padding: 80px 0;
        }

        .about {
            background: #fff;
        }

        .features {
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            color: #fff;
        }

        .gallery {
            background: #f8f9fa;
        }

        .download {
            background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
            color: #fff;
        }

        h2 {
            font-size: 3rem;
            text-align: center;
            margin-bottom: 3rem;
            position: relative;
        }

        h2::after {
            content: '';
            display: block;
            width: 100px;
            height: 4px;
            background: linear-gradient(45deg, #ffd700, #ff6b6b);
            margin: 20px auto;
            border-radius: 2px;
        }

        /* Features Grid */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }

        .feature-card {
            background: rgba(255,255,255,0.1);
            padding: 2rem;
            border-radius: 15px;
            text-align: center;
            backdrop-filter: blur(10px);
            transition: transform 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-10px);
        }

        .feature-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
            display: block;
        }

        /* Gallery */
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1rem;
            margin-top: 2rem;
        }

        .gallery-item {
            background: linear-gradient(45deg, #667eea, #764ba2);
            aspect-ratio: 9/16;
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            text-align: center;
            transition: all 0.3s ease;
            overflow: hidden;
            position: relative;
        }

        .gallery-item:hover {
            transform: scale(1.05);
            box-shadow: 0 20px 40px rgba(0,0,0,0.3);
        }

        .gallery-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(45deg, rgba(255,215,0,0.3), rgba(255,107,107,0.3));
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .gallery-item:hover::before {
            opacity: 1;
        }

        /* Download Buttons */
        .download-buttons {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-top: 2rem;
            flex-wrap: wrap;
        }

        .download-btn {
            display: flex;
            align-items: center;
            gap: 1rem;
            background: rgba(255,255,255,0.2);
            padding: 1rem 2rem;
            border-radius: 15px;
            text-decoration: none;
            color: #fff;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
        }

        .download-btn:hover {
            background: rgba(255,255,255,0.3);
            transform: translateY(-5px);
        }

        /* Footer */
        footer {
            background: #222;
            color: #fff;
            padding: 3rem 0 1rem;
            text-align: center;
        }

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

        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-links a:hover {
            color: #ffd700;
        }

        .copyright {
            border-top: 1px solid #444;
            padding-top: 1rem;
            margin-top: 2rem;
            color: #999;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .hero h1 {
                font-size: 2.5rem;
            }

            .hero p {
                font-size: 1.1rem;
            }

            h2 {
                font-size: 2rem;
            }

            .download-buttons {
                flex-direction: column;
                align-items: center;
            }
        }

        .mobile-menu {
            display: none;
            background: #fff;
            color: #333;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
        }

        @media (max-width: 768px) {
            .mobile-menu {
                display: block;
            }
        }