* {
    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: #f9f9f9;
}

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

/* Header & Navigation */
header {
    background: #2c3e50;
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #3498db;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: #3498db;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Main Content */
main {
    padding: 3rem 0;
}

.intro {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 3rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.intro h2 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

/* Article Grid */
.article-grid {
    margin-bottom: 4rem;
}

.article-grid h2 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 3px solid #3498db;
}

.articles {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.article-card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.article-card h3 {
    margin-bottom: 0.5rem;
}

.article-card h3 a {
    color: #2c3e50;
    text-decoration: none;
    font-size: 1.1rem;
}

.article-card h3 a:hover {
    color: #3498db;
}

.article-card p {
    color: #666;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.read-time {
    color: #999;
    font-size: 0.85rem;
}

/* Getting Started Section */
.getting-started {
    background: #3498db;
    color: white;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    margin-top: 3rem;
}

.getting-started h2 {
    margin-bottom: 1rem;
}

.getting-started a {
    color: white;
    font-weight: bold;
    text-decoration: underline;
}

/* Article Pages */
.article-header {
    background: white;
    padding: 3rem 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.article-header h1 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 2rem;
}

.article-meta {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.article-content {
    background: white;
    padding: 3rem 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    max-width: 800px;
    margin: 0 auto;
}

.article-content h2 {
    color: #2c3e50;
    margin: 2rem 0 1rem;
    font-size: 1.6rem;
}

.article-content h3 {
    color: #34495e;
    margin: 1.5rem 0 0.75rem;
    font-size: 1.3rem;
}

.article-content p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.article-content ul, .article-content ol {
    margin-bottom: 1rem;
    padding-left: 2rem;
}

.article-content li {
    margin-bottom: 0.5rem;
    line-height: 1.8;
}

.product-box {
    background: #f8f9fa;
    border-left: 4px solid #3498db;
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 4px;
}

.product-box h3 {
    margin-top: 0;
    color: #2c3e50;
}

.affiliate-button {
    display: inline-block;
    background: #e67e22;
    color: white;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    margin-top: 1rem;
    transition: background 0.3s;
}

.affiliate-button:hover {
    background: #d35400;
}

.pros-cons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin: 1.5rem 0;
}

.pros, .cons {
    padding: 1rem;
    border-radius: 4px;
}

.pros {
    background: #d5f4e6;
    border-left: 4px solid #27ae60;
}

.cons {
    background: #fadbd8;
    border-left: 4px solid #e74c3c;
}

.pros h4, .cons h4 {
    margin-bottom: 0.5rem;
}

.disclaimer {
    background: #fff3cd;
    border: 1px solid #ffc107;
    padding: 1rem;
    border-radius: 4px;
    margin: 2rem 0;
    font-size: 0.9rem;
}

/* Footer */
footer {
    background: #2c3e50;
    color: white;
    padding: 2rem 0;
    text-align: center;
    margin-top: 4rem;
}

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

footer p {
    margin: 0.5rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .articles {
        grid-template-columns: 1fr;
    }
    
    .pros-cons {
        grid-template-columns: 1fr;
    }
}