body {
    font-family: sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 10px 0;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

nav li {
    display: inline;
    margin: 0 10px;
}

nav a {
    color: #fff;
    text-decoration: none;
}

main {
    padding: 20px;
}

h1, h2, h3 {
    color: #333;
}

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

.article-item {
    border: 1px solid #ddd;
    padding: 15px;
    border-radius: 5px;
}
.article-item img {
    width: 100%;
    height: auto;
    border-radius: 5px;
    margin-bottom: 10px;
}


footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    bottom: 0;
    width: 100%;
}


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


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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 1rem 0;
    margin-bottom: 2rem;
    border-radius: 0 0 10px 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    flex-wrap: wrap;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    padding: 8px 15px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

nav ul li a:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

/* Main Content */
main {
    min-height: 70vh;
}

h1 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 2.5rem;
}

/* Article List */
.article-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.article-item {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.article-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

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

.article-item h3 {
    padding: 1rem 1rem 0.5rem;
}

.article-item h3 a {
    color: #2c3e50;
    text-decoration: none;
    font-size: 1.3rem;
}

.article-item h3 a:hover {
    color: #667eea;
}

.article-item p {
    padding: 0 1rem 1rem;
    color: #666;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
    border-top: 1px solid #eee;
    color: #666;
}

/* Responsive Design */
@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        align-items: center;
    }
    
    nav ul li {
        margin: 5px 0;
    }
    
    .article-list {
        grid-template-columns: 1fr;
    }
    
    h1 {
        font-size: 2rem;
    }
}