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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 40px 20px;
    color: #333;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
}

.hero {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 24px;
    padding: 60px 40px;
    text-align: center;
    margin-bottom: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.app-icon {
    width: 150px;
    height: 150px;
    border-radius: 32px;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

h1 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 15px;
    font-weight: 700;
}

.tagline {
    font-size: 1.3rem;
    color: #666;
    margin-bottom: 30px;
}

.google-play-badge {
    width: 200px;
    height: auto;
    transition: transform 0.3s ease;
    cursor: pointer;
}

.google-play-badge:hover {
    transform: scale(1.05);
}

.section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 24px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

h2 {
    color: #667eea;
    margin-bottom: 20px;
    font-size: 2rem;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 25px;
}

.feature {
    padding: 20px;
    background: #f8f9ff;
    border-radius: 16px;
    border-left: 4px solid #667eea;
}

.feature h3 {
    color: #333;
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.feature p {
    color: #666;
    line-height: 1.6;
}

.description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
}

.screenshot-carousel {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    overflow: hidden;
}

.carousel-container {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.carousel-slide {
    flex: 0 0 33.333%;
    padding: 0 10px;
    box-sizing: border-box;
}

.carousel-slide img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

.carousel-button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.carousel-button:hover {
    background: rgba(255, 255, 255, 1);
    transform: translateY(-50%) scale(1.1);
}

.carousel-button.prev {
    left: 10px;
}

.carousel-button.next {
    right: 10px;
}

footer {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    margin-top: 40px;
}

footer a {
    color: #fff;
    text-decoration: none;
    margin: 0 15px;
    font-weight: 500;
    transition: color 0.3s ease;
}

footer a:hover {
    color: #e0e0ff;
    text-decoration: underline;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 15px;
}

.copyright {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin-top: 15px;
}

@media (max-width: 1024px) {
    .carousel-slide {
        flex: 0 0 50%;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    .hero {
        padding: 40px 25px;
    }

    .section {
        padding: 30px 25px;
    }

    .features {
        grid-template-columns: 1fr;
    }

    .carousel-slide {
        flex: 0 0 100%;
    }

    .screenshot-carousel {
        max-width: 400px;
    }
}