/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --dark-color: #343a40;
    --light-color: #f8f9fa;
    --border-color: #dee2e6;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fff;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: #0056b3;
}

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

/* Header */
.site-header {
    background: #fff;
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.logo h1 {
    font-size: 1.25rem;
    color: var(--dark-color);
    margin: 0;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
}

.main-nav a {
    color: var(--dark-color);
    font-weight: 500;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: all 0.3s;
    font-size: 0.9rem;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.header-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.search-form {
    display: flex;
    gap: 0.5rem;
}

.search-form input {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    width: 180px;
    font-size: 0.875rem;
}

.search-form button {
    padding: 0.5rem 0.75rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.875rem;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--dark-color);
}

/* Blog Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.post-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.post-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.post-thumbnail {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.post-content {
    padding: 1.5rem;
}

.post-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--primary-color);
    color: white;
    border-radius: 4px;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.post-title {
    font-size: 1.5rem;
    margin: 0.5rem 0;
}

.post-title a {
    color: var(--dark-color);
}

.post-meta {
    display: flex;
    gap: 1rem;
    color: var(--secondary-color);
    font-size: 0.875rem;
    margin: 0.5rem 0;
}

.post-excerpt {
    color: #666;
    margin: 1rem 0;
}

.read-more {
    color: var(--primary-color);
    font-weight: 600;
}

/* Single Post */
.post-single {
    max-width: 800px;
    margin: 3rem auto;
    background: white;
    padding: 2rem;
    border-radius: 8px;
}

.post-header {
    margin-bottom: 2rem;
}

.post-single .post-title {
    font-size: 2.5rem;
    margin: 1rem 0;
}

.author-info {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

.post-featured-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.post-content {
    font-size: 1.125rem;
    line-height: 1.8;
}

.post-content img {
    max-width: 100%;
    height: auto;
    margin: 1.5rem 0;
    border-radius: 4px;
}

.post-content h2,
.post-content h3 {
    margin: 2rem 0 1rem;
}

.post-tags {
    margin: 2rem 0;
    padding: 1rem 0;
    border-top: 1px solid var(--border-color);
}

.tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--light-color);
    border-radius: 4px;
    margin: 0.25rem;
    font-size: 0.875rem;
}

.post-share {
    margin: 2rem 0;
    padding: 1rem;
    background: var(--light-color);
    border-radius: 8px;
}

.share-btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    margin: 0.25rem;
    border-radius: 4px;
    color: white;
    font-weight: 600;
}

.share-btn.facebook { background: #1877f2; }
.share-btn.twitter { background: #1da1f2; }
.share-btn.linkedin { background: #0077b5; }
.share-btn.whatsapp { background: #25d366; }

.author-box {
    margin: 3rem 0;
    padding: 2rem;
    background: var(--light-color);
    border-radius: 8px;
    display: flex;
    gap: 1.5rem;
}

.author-avatar-large {
    width: 100px;
    height: 100px;
    border-radius: 50%;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin: 3rem 0;
}

.pagination-link {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--dark-color);
}

.pagination-link:hover,
.pagination-link.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Footer */
.site-footer {
    background: var(--dark-color);
    color: white;
    margin-top: 4rem;
    padding: 3rem 0 1rem;
}

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

.footer-section h3 {
    margin-bottom: 1rem;
}

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

.footer-section li {
    margin: 0.5rem 0;
}

.footer-section a {
    color: #ccc;
}

.subscribe-form {
    display: flex;
    gap: 0.5rem;
}

.subscribe-form input {
    flex: 1;
    padding: 0.5rem;
    border: none;
    border-radius: 4px;
}

.subscribe-form button {
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.social-links {
    margin-top: 1rem;
    display: flex;
    gap: 1rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* Comments */
.comments-section {
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 2px solid var(--border-color);
}

.comment-form textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    min-height: 100px;
    margin-bottom: 1rem;
}

.comment-form button {
    padding: 0.75rem 2rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
}

.comment {
    display: flex;
    gap: 1rem;
    margin: 1.5rem 0;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.comment-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

.comment-author {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.comment-date {
    color: var(--secondary-color);
    font-size: 0.875rem;
    margin-left: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        position: relative;
    }
    
    .menu-toggle {
        display: block;
        order: 3;
    }
    
    .logo {
        order: 1;
        flex: 1;
    }
    
    .header-actions {
        order: 2;
    }
    
    .main-nav {
        order: 4;
        width: 100%;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease-out;
    }
    
    .main-nav.active {
        max-height: 400px;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
    }
    
    .main-nav li {
        width: 100%;
    }
    
    .main-nav a {
        display: block;
        padding: 0.75rem 1rem;
        border-bottom: 1px solid var(--border-color);
    }
    
    .search-form {
        width: 100%;
    }
    
    .search-form input {
        flex: 1;
        width: auto;
    }
    
    .header-content {
        flex-direction: column;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 1rem;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .post-single {
        padding: 1rem;
    }
    
    .post-single .post-title {
        font-size: 1.75rem;
    }
}