/* styles/common.css */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

.header {
    background-color: #3498db;
    color: white;
    text-align: center;
    padding: 40px 20px;
    border-radius: 10px;
    margin-bottom: 30px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.header h1 {
    font-size: 2.5em;
    margin-bottom: 15px;
}

.header p {
    font-size: 1.2em;
    opacity: 0.9;
}

.section {
    background-color: white;
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.section-title {
    color: #2c3e50;
    font-size: 1.8em;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #3498db;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.card {
    background-color: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.card h3 {
    color: #2c3e50;
    margin-bottom: 15px;
}

.card a {
    text-decoration: none;
    color: #2c3e50;
    display: block;
    padding: 10px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.card a:hover {
    background-color: #f8f9fa;
}

.info-card {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
}

.info-card h3 {
    color: #2c3e50;
    margin-bottom: 10px;
    font-size: 1.1em;
}

.breadcrumb {
    margin-bottom: 20px;
    padding: 10px 15px;
    background-color: white;
    border-radius: 5px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.breadcrumb a {
    color: #3498db;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.footer {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 20px;
    border-radius: 10px;
    margin-top: 30px;
}

.ad-banner {
    background-color: #eaeaea;
    padding: 20px;
    text-align: center;
    margin: 30px 0;
    border-radius: 10px;
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .grid {
        grid-template-columns: 1fr;
    }
    
    .header {
        padding: 20px 10px;
    }
    
    .header h1 {
        font-size: 2em;
    }
}