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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
}

header {
    background-color: #2c3e50;
    color: #fff;
    padding: 1rem 0;
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.header-inner h1 {
    font-size: 2rem;
}

nav ul {
    list-style: none;
    display: flex;
}

nav ul li {
    position: relative;
    margin-left: 20px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    padding: 10px;
    display: block;
}

nav ul li a:hover {
    background-color: #34495e;
}

/* Dropdown styles */
.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #34495e;
    min-width: 160px;
    z-index: 1;
}

.dropdown-content a {
    color: #fff;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
}

.dropdown-content a:hover {
    background-color: #2c3e50;
}

.dropdown:hover .dropdown-content {
    display: block;
}

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

.article-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.article-preview {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.article-preview img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.article-preview h3 {
    padding: 15px;
    font-size: 1.2rem;
}

.article-preview p {
    padding: 0 15px;
    color: #666;
}

.article-preview .read-more {
    display: inline-block;
    margin: 15px;
    padding: 8px 16px;
    background-color: #3498db;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
}

.article-preview .read-more:hover {
    background-color: #2980b9;
}

footer {
    background-color: #2c3e50;
    color: #fff;
    text-align: center;
    padding: 10px 0;
    margin-top: 40px;
}

.about-content {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.about-text {
    flex: 1;
}

/* Responsive */
@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        text-align: center;
    }

    nav ul {
        margin-top: 10px;
    }

    nav ul li {
        margin-left: 10px;
        margin-right: 10px;
    }

    .article-list {
        grid-template-columns: 1fr;
    }

    .about-content {
        flex-direction: column;
        align-items: center;
    }
}