/* أساسيات التصميم */
:root {
    --primary-color: #e50914;
    --secondary-color: #b81d24;
    --dark-color: #221f1f;
    --light-color: #f5f5f1;
    --gray-color: #757575;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--dark-color);
    color: var(--light-color);
    line-height: 1.6;
}

.header {
    background: linear-gradient(to bottom, rgba(0,0,0,0.7), transparent);
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
}

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

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

.logo {
    color: var(--primary-color);
    font-size: 28px;
    font-weight: bold;
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-links li {
    margin-left: 20px;
}

.nav-links a {
    color: var(--light-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.hero {
    height: 80vh;
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://via.placeholder.com/1920x1080') center/cover no-repeat;
    display: flex;
    align-items: center;
    text-align: center;
    padding-top: 80px;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 12px 30px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    font-size: 18px;
    transition: background-color 0.3s;
    margin: 10px;
    border: 2px solid var(--light-color);
}

.btn:hover {
    background-color: var(--secondary-color);
}

.btn-outline {
    background-color: transparent;
}

.btn-outline:hover {
    background-color: rgba(255,255,255,0.1);
}

.features {
    padding: 80px 0;
    background-color: #000;
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: var(--primary-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--dark-color);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s;
}

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

.feature-icon {
    font-size: 50px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.channels {
    padding: 80px 0;
    background-color: var(--dark-color);
}

.channel-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.channel-item {
    background-color: #333;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s;
}

.channel-item:hover {
    background-color: var(--primary-color);
    transform: scale(1.05);
}

.channel-item img {
    max-width: 100%;
    height: auto;
    margin-bottom: 15px;
}

.download {
    padding: 80px 0;
    background: linear-gradient(rgba(0,0,0,0.8), rgba(0,0,0,0.8)), url('https://via.placeholder.com/1920x600') center/cover no-repeat;
    text-align: center;
}

.download h2 {
    font-size: 36px;
    margin-bottom: 30px;
}

.version-info {
    background-color: rgba(0,0,0,0.7);
    padding: 30px;
    border-radius: 8px;
    max-width: 600px;
    margin: 0 auto 30px;
    text-align: right;
}

.info-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--gray-color);
}

.info-label {
    color: var(--primary-color);
    font-weight: bold;
}

.footer {
    background-color: #000;
    padding: 40px 0;
    text-align: center;
}

.social-links {
    margin-bottom: 20px;
}

.social-links a {
    color: var(--light-color);
    font-size: 24px;
    margin: 0 10px;
    transition: color 0.3s;
}

.social-links a:hover {
    color: var(--primary-color);
}

.copyright {
    color: var(--gray-color);
    font-size: 14px;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 36px;
    }
    
    .hero p {
        font-size: 18px;
    }
    
    .nav-links {
        display: none;
    }
    
    .channel-list {
        grid-template-columns: repeat(2, 1fr);
    }
}