:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --text-color: #333;
    --background-color: #f4f6f7;
}

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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 15px;
}

.article-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-align: center;
    padding: 60px 0;
}

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

.article-content {
    background-color: white;
    padding: 40px 0;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.article-body {
    max-width: 800px;
    margin: 0 auto;
}

.article-body h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 10px;
}

.article-body p {
    margin-bottom: 20px;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    border-bottom: 1px solid #eee;
    padding-bottom: 20px;
}

.article-tags {
    display: flex;
    gap: 10px;
}

.tag {
    background-color: var(--secondary-color);
    color: white;
    padding: 5px 10px;
    border-radius: 3px;
    font-size: 0.8rem;
}

.read-more {
    display: block;
    text-align: center;
    background-color: var(--accent-color);
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    margin-top: 30px;
    transition: background-color 0.3s ease;
}

.read-more:hover {
    background-color: var(--primary-color);
}

footer {
    background-color: var(--primary-color);
    color: white;
    padding: 50px 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-section h3 {
    margin-bottom: 15px;
}

.footer-section ul {
    list-style: none;
}

.footer-section a {
    color: white;
    text-decoration: none;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.footer-section a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
}