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

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    padding: 20px;
}

header {
    text-align: center;
    padding: 2rem 0;
    margin-bottom: 2rem;
}

.site-title {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.site-subtitle {
    font-size: 1.1rem;
    color: #7f8c8d;
}

nav {
    background-color: white;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.nav-container {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #3498db;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.nav-link:hover {
    background-color: #ecf0f1;
}

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

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .site-title {
        font-size: 2rem;
    }
}

.site-footer {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: white;
    padding: 2rem;
    margin-top: 3rem;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-links {
    margin-bottom: 1rem;
}

.footer-links a {
    color: white;
    text-decoration: none;
    margin: 0 1rem;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 0.8;
}

.footer-info {
    opacity: 0.9;
}

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

.footer-column h4 {
    margin-bottom: 1rem;
    color: white;
}

.footer-column a {
    display: block;
    color: white;
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: opacity 0.3s ease;
}

.footer-column a:hover {
    opacity: 0.8;
}