/* =============================================
   BLOG STYLES - SEO OPTIMIZED & FULLY RESPONSIVE
   ============================================= */

:root {
    /* Color Scheme */
    --primary-color: #184928;
    --primary-dark: #0e301a;
    --primary-light: #e8f3eb;
    --secondary-color: #f58634;
    --secondary-dark: #d36a1d;
    --dark-color: #222;
    --text-color: #444;
    --light-gray: #f8f9fa;
    --medium-gray: #e9ecef;
    --white: #ffffff;
    
    /* Typography */
    --font-base: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-heading: 'Georgia', serif;
    
    /* Spacing */
    --space-unit: 1rem;
    --space-xs: calc(0.5 * var(--space-unit));
    --space-sm: calc(0.75 * var(--space-unit));
    --space-md: var(--space-unit);
    --space-lg: calc(1.5 * var(--space-unit));
    --space-xl: calc(2 * var(--space-unit));
    
    /* Borders */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 50%;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Blog Hero - SEO Optimized */
.blog-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: var(--space-xl) var(--space-md);
    margin-top: 4rem;
    text-align: center;
    background-size: 200% 200%;
    animation: gradientBG 15s ease infinite;
}

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.blog-hero h1 {
    font-size: clamp(1.75rem, 5vw, 2.5rem);
    line-height: 1.2;
    max-width: 50rem;
    margin: 0 auto var(--space-sm);
    text-shadow: 1px 1px 3px rgba(0,0,0,0.2);
}

.blog-hero p {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    max-width: 45rem;
    margin: 0 auto;
    opacity: 0.95;
}

/* Blog Layout - Responsive Grid */
.blog-container {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-lg);
    padding: var(--space-lg);
    max-width: 1200px;
    margin: 0 auto;
}

@media (min-width: 992px) {
    .blog-container {
        grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    }
}

/* Blog Posts Grid */
.blog-posts {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-lg);
}

@media (max-width: 767px) {
    .blog-posts {
        grid-template-columns: 1fr;
    }
}

/* Blog Cards - SEO Optimized */
.blog-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.post-thumbnail {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/9;
    background: var(--medium-gray);
}

.post-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.blog-card:hover .post-thumbnail img {
    transform: scale(1.05);
}

.blog-card-content {
    padding: var(--space-lg);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.blog-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    font-size: 0.85rem;
    color: #666;
}

.blog-meta i {
    margin-right: 0.3rem;
    color: var(--primary-color);
}

.blog-card h2 {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    line-height: 1.3;
    margin-bottom: var(--space-sm);
}

.blog-card h2 a {
    color: var(--dark-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.blog-card h2 a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.blog-excerpt {
    color: var(--text-color);
    line-height: 1.6;
    margin-bottom: var(--space-md);
    font-size: 0.95rem;
    flex-grow: 1;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    margin-top: auto;
    width: fit-content;
}

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

.read-more i {
    transition: transform var(--transition-fast);
}

.read-more:hover i {
    transform: translateX(3px);
}

/* Featured Post */
.featured-post {
    position: relative;
    grid-column: 1 / -1;
}

.featured-post .post-thumbnail {
    aspect-ratio: 2/1;
}

.featured-post .blog-card-content {
    padding: var(--space-xl);
}

.featured-post h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

/* Sidebar Widgets - SEO Friendly */
.blog-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.sidebar-widget {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--space-lg);
}

.widget-title {
    font-size: 1.2rem;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--medium-gray);
    color: var(--primary-dark);
}

.search-form {
    display: flex;
    position: relative;
}

.search-input {
    flex: 1;
    padding: var(--space-sm);
    border: 1px solid var(--medium-gray);
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    font-size: 0.95rem;
    transition: border-color var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(24, 73, 40, 0.2);
}

.search-button {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 0 var(--space-md);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.search-button:hover, .search-button:focus {
    background: var(--primary-dark);
}

.categories-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.categories-list li {
    margin-bottom: var(--space-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.categories-list a {
    color: var(--text-color);
    padding: var(--space-xs) 0;
    display: block;
    flex-grow: 1;
}

.categories-list a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.post-count {
    color: var(--primary-color);
    font-size: 0.85rem;
    background: var(--primary-light);
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
}

.popular-posts {
    list-style: none;
    padding: 0;
    margin: 0;
}

.popular-posts li {
    margin-bottom: var(--space-md);
    display: flex;
    gap: var(--space-md);
    align-items: center;
}

.popular-posts li:last-child {
    margin-bottom: 0;
}

.popular-posts img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.popular-posts a {
    display: flex;
    align-items: center;
    color: var(--text-color);
    transition: color var(--transition-fast);
}

.popular-posts a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.popular-posts span {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Pagination - SEO Friendly */
.pagination {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin: var(--space-xl) 0;
    padding: 0 var(--space-lg);
}

.pagination a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.5rem;
    height: 2.5rem;
    padding: 0 var(--space-sm);
    border-radius: var(--radius-sm);
    background: var(--white);
    color: var(--primary-color);
    font-weight: 500;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.pagination a:hover {
    background: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    transform: translateY(-2px);
}

.pagination .current {
    background: var(--primary-color);
    color: var(--white);
    cursor: default;
}

.pagination .disabled {
    opacity: 0.5;
    pointer-events: none;
}

/* No Posts Message */
.no-posts {
    text-align: center;
    padding: var(--space-xl);
    grid-column: 1 / -1;
    color: var(--text-color);
    font-size: 1.1rem;
}

/* Accessibility Focus Styles */
a:focus, button:focus, input:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .blog-sidebar {
        display: none;
    }
    
    .blog-container {
        padding: 0;
        grid-template-columns: 1fr;
    }
    
    .blog-card {
        break-inside: avoid;
        margin-bottom: 1cm;
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    a::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        font-weight: normal;
        color: #666;
    }
}

/* Responsive Adjustments */
@media (max-width: 991px) {
    .blog-container {
        padding: var(--space-md);
    }
    
    .featured-post .post-thumbnail {
        aspect-ratio: 16/9;
    }
    
    .popular-posts li {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }
    
    .popular-posts img {
        width: 100%;
        height: auto;
        max-height: 150px;
    }
}

@media (max-width: 767px) {
    :root {
        --space-unit: 0.875rem;
    }
    
    .blog-hero {
        margin-top: 3.5rem;
        padding: var(--space-xl) var(--space-md);
    }
    
    .blog-card-content {
        padding: var(--space-md);
    }
    
    .featured-post .blog-card-content {
        padding: var(--space-lg);
    }
}

@media (max-width: 480px) {
    .blog-meta {
        font-size: 0.8rem;
    }
    
    .blog-excerpt {
        font-size: 0.9rem;
    }
    
    .read-more {
        font-size: 0.85rem;
    }
    
    .sidebar-widget {
        padding: var(--space-md);
    }
    
    .widget-title {
        font-size: 1.1rem;
    }
}