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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

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

/* Navigation */
nav {
    background-color: #000;
    color: #fff;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.logo h1 {
    font-size: 1.5rem;
    font-weight: bold;
}

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

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
}

/* Hero Section */
.hero {
    background-color: #000;
    color: #fff;
    padding: 8rem 0 4rem;
    text-align: center;
    margin-top: 60px;
}

.hero-icon {
    width: 150px;
    height: 150px;
    margin-bottom: 1rem;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn-primary {
    display: inline-block;
    background-color: #007bff;
    color: #fff;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.btn-primary:hover {
    background-color: #0056b3;
}

/* Features Section */
.features {
    padding: 4rem 0;
    background-color: #fff;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* Wallpapers Section */
.wallpapers {
    padding: 4rem 0;
    background-color: #f5f5f5;
}

.wallpapers h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.wallpapers-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.wallpaper-card {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.wallpaper-card:hover {
    transform: translateY(-5px);
}

.wallpaper-card img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.wallpaper-card {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Download Section */
.download {
    padding: 4rem 0;
    background-color: #000;
    color: #fff;
    text-align: center;
}

.download h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.download p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

/* Contact Section */
.contact {
    padding: 4rem 0;
    background-color: #fff;
    text-align: center;
}

.contact h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.contact-info {
    font-size: 1.1rem;
}

/* Footer */
footer {
    background-color: #000;
    color: #fff;
    padding: 2rem 0;
    text-align: center;
}

footer p {
    font-size: 0.9rem;
}

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

    .hero h2 {
        font-size: 2rem;
    }

    .features h2,
    .wallpapers h2,
    .download h2,
    .contact h2 {
        font-size: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .wallpapers-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .wallpaper-card img {
        height: 150px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 6rem 0 3rem;
    }

    .hero h2 {
        font-size: 1.5rem;
    }

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

    .btn-primary {
        padding: 0.8rem 1.5rem;
    }

    .features h2,
    .wallpapers h2,
    .download h2 {
        font-size: 1.5rem;
    }
    
    .wallpapers-grid {
        grid-template-columns: 1fr;
    }
}