/*
Theme Name: SEO Theme Đăng Nhập Jun88
Theme URI: <?php echo esc_url(home_url('/')); ?>
Author: SEO Developer
Author URI: <?php echo esc_url(home_url('/')); ?>
Description: Chủ đề WordPress tối ưu SEO cho từ khóa đăng nhập jun88, cấu trúc dựa trên gei.uk.com
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: seo-theme-jun88
Tags: casino, betting, gaming, seo, responsive
*/

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

header {
    background: linear-gradient(135deg, #1a237e 0%, #0d47a1 100%);
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo h1 {
    color: #fff;
    font-size: 28px;
    font-weight: 700;
}

.logo a {
    color: #fff;
    text-decoration: none;
}

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

.nav-desktop li {
    position: relative;
}

.nav-desktop a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    padding: 10px 15px;
    transition: all 0.3s ease;
    border-radius: 5px;
}

.nav-desktop a:hover {
    background-color: rgba(255,255,255,0.2);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    padding: 10px;
}

.nav-mobile {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #1a237e;
    list-style: none;
    padding: 20px;
    box-shadow: 0 5px 10px rgba(0,0,0,0.2);
}

.nav-mobile.active {
    display: block;
}

.nav-mobile li {
    margin-bottom: 15px;
}

.nav-mobile a {
    color: #fff;
    text-decoration: none;
    display: block;
    padding: 10px;
    border-radius: 5px;
}

.nav-mobile a:hover {
    background-color: rgba(255,255,255,0.2);
}

main {
    padding: 40px 0;
    min-height: calc(100vh - 400px);
}

.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 80px 0;
    text-align: center;
    margin-bottom: 40px;
    border-radius: 10px;
}

.hero-section h1 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-section p {
    font-size: 20px;
    max-width: 800px;
    margin: 0 auto 30px;
}

.content-section {
    background: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    margin-bottom: 40px;
}

.content-section h2 {
    color: #1a237e;
    font-size: 32px;
    margin-bottom: 20px;
    border-bottom: 3px solid #667eea;
    padding-bottom: 10px;
}

.content-section h3 {
    color: #0d47a1;
    font-size: 24px;
    margin: 30px 0 15px;
}

.content-section p {
    margin-bottom: 20px;
    text-align: justify;
}

.content-section ul, .content-section ol {
    margin: 20px 0 20px 30px;
}

.content-section li {
    margin-bottom: 10px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.feature-card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    border-left: 4px solid #667eea;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.feature-card h3 {
    color: #1a237e;
    margin-bottom: 15px;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    transition: all 0.3s ease;
    margin-top: 20px;
}

.cta-button:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

footer {
    background: linear-gradient(135deg, #1a237e 0%, #0d47a1 100%);
    color: #fff;
    padding: 40px 0 20px;
    margin-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h3 {
    color: #667eea;
    margin-bottom: 20px;
    font-size: 20px;
}

.footer-section p, .footer-section a {
    color: #e0e0e0;
    line-height: 1.8;
    text-decoration: none;
}

.footer-section a:hover {
    color: #fff;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.2);
}

@media (max-width: 768px) {
    .nav-desktop {
        display: none;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .hero-section h1 {
        font-size: 32px;
    }
    
    .hero-section p {
        font-size: 16px;
    }
    
    .content-section {
        padding: 20px;
    }
    
    .content-section h2 {
        font-size: 24px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}