/* ========================================
   Premium Drive Magazine — CSS v2
   Modern, bold, Mercedes-Benz universe
   ======================================== */

/* --- Variables --- */
:root {
    --primary: #0D0D0D;
    --primary-light: #1a1a1a;
    --background: #FAFAFA;
    --background-alt: #F0F0F0;
    --accent: #C0C0C0;
    --cta: #00ADEF;
    --cta-hover: #0090C8;
    --cta-glow: rgba(0, 173, 239, 0.25);
    --text: #1a1a1a;
    --text-light: #777;
    --white: #ffffff;
    --border: #e0e0e0;
    --gradient-dark: linear-gradient(135deg, #0D0D0D 0%, #1c2a3a 100%);
    --gradient-card: linear-gradient(135deg, #141414 0%, #0D2137 100%);
    --gradient-cta: linear-gradient(135deg, #00ADEF 0%, #0077B6 100%);

    --font-heading: 'DM Sans', -apple-system, sans-serif;
    --font-body: 'DM Sans', -apple-system, sans-serif;
    --font-ui: 'DM Sans', -apple-system, sans-serif;

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 3rem;
    --space-xl: 5rem;

    --container: 1200px;
    --container-narrow: 800px;

    --radius: 12px;
    --radius-lg: 20px;
}

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

body {
    font-family: var(--font-body);
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text);
    background-color: var(--background);
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--cta);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--cta-hover);
}

img {
    max-width: 100%;
    height: auto;
}

/* --- Containers --- */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.container-narrow {
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* --- Header --- */
.site-header {
    background: var(--gradient-dark);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0.75rem var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-logo {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 800;
    max-width: 160px;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 2px;
    flex-shrink: 0;
}

.site-logo:hover {
    color: var(--cta);
}

.site-nav {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.nav-link {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.65);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding: 0.5rem 0.9rem;
    border-radius: 6px;
    transition: all 0.2s;
    border: none;
    background: none;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
    color: var(--white);
    background-color: rgba(255, 255, 255, 0.08);
}

/* Dropdown trigger */
.nav-link--dropdown {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.dropdown-arrow {
    transition: transform 0.2s;
    opacity: 0.5;
}

.nav-dropdown.is-open .dropdown-arrow {
    transform: rotate(180deg);
    opacity: 1;
}

/* Mega Menu */
.nav-dropdown {
    position: relative;
}

.mega-menu {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: -100px;
    width: 680px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.05);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 200;
    overflow: hidden;
}

.nav-dropdown.is-open .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mega-menu::before {
    content: '';
    position: absolute;
    top: -6px;
    right: 130px;
    width: 12px;
    height: 12px;
    background: var(--white);
    transform: rotate(45deg);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    border-left: 1px solid rgba(0, 0, 0, 0.05);
}

.mega-menu-inner {
    padding: var(--space-md);
}

.mega-menu-header {
    margin-bottom: var(--space-sm);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--background-alt);
}

.mega-menu-title {
    display: block;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 800;
    color: var(--primary);
}

.mega-menu-subtitle {
    display: block;
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 2px;
}

.mega-menu-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
}

.mega-menu-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 0.75rem;
    border-radius: var(--radius);
    transition: all 0.2s;
    text-decoration: none;
}

.mega-menu-item:hover {
    background: var(--background-alt);
}

.mega-menu-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.1rem;
    background: var(--background-alt);
    transition: all 0.2s;
}

.mega-menu-icon[data-icon="car"]::after { content: '\1F697'; }
.mega-menu-icon[data-icon="wallet"]::after { content: '\1F4B3'; }
.mega-menu-icon[data-icon="bolt"]::after { content: '\26A1'; }
.mega-menu-icon[data-icon="tag"]::after { content: '\1F3F7'; }
.mega-menu-icon[data-icon="map"]::after { content: '\1F4CD'; }
.mega-menu-icon[data-icon="bulb"]::after { content: '\1F4A1'; }

.mega-menu-item:hover .mega-menu-icon {
    background: rgba(0, 173, 239, 0.1);
}

.mega-menu-item-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.mega-menu-item-name {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary);
}

.mega-menu-item-desc {
    font-size: 0.75rem;
    color: var(--text-light);
    line-height: 1.4;
}

/* Hamburger */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.hamburger, .hamburger::before, .hamburger::after {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--white);
    transition: all 0.3s;
}

.hamburger {
    position: relative;
}

.hamburger::before, .hamburger::after {
    content: '';
    position: absolute;
    left: 0;
}

.hamburger::before { top: -6px; }
.hamburger::after { top: 6px; }

/* Language switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 2px;
    margin-left: 0.5rem;
    padding-left: 0.75rem;
    border-left: 1px solid rgba(255, 255, 255, 0.15);
}

.lang-link {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    padding: 0.3rem 0.5rem;
    border-radius: 4px;
    transition: all 0.2s;
    color: rgba(255, 255, 255, 0.4);
    text-decoration: none;
}

.lang-link:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.08);
}

.lang-link--active {
    color: var(--white);
    background: rgba(0, 173, 239, 0.2);
    border: 1px solid rgba(0, 173, 239, 0.3);
}

/* --- Hero --- */
.hero {
    background: url('https://images.unsplash.com/photo-1618843479313-40f8afb4b4d8?w=1920&h=900&fit=crop') center/cover no-repeat;
    color: var(--white);
    text-align: center;
    padding: var(--space-xl) var(--space-md) calc(var(--space-xl) + 2rem);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.75) 0%, rgba(13, 33, 55, 0.7) 100%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    font-family: var(--font-ui);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    background: rgba(0, 173, 239, 0.15);
    border: 1px solid rgba(0, 173, 239, 0.3);
    color: var(--cta);
    padding: 0.4rem 1.2rem;
    border-radius: 50px;
    margin-bottom: var(--space-md);
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 900;
    letter-spacing: -1px;
    line-height: 1.1;
    margin-bottom: var(--space-sm);
    background: linear-gradient(135deg, #ffffff 0%, #c0c0c0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-family: var(--font-body);
    font-size: 1.15rem;
    font-weight: 400;
    opacity: 0.7;
    max-width: 550px;
    margin: 0 auto var(--space-lg);
    line-height: 1.6;
}

.btn-primary {
    display: inline-block;
    font-family: var(--font-ui);
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    background: var(--gradient-cta);
    color: var(--white);
    padding: 1rem 2.5rem;
    border-radius: 50px;
    transition: all 0.3s;
    box-shadow: 0 4px 20px var(--cta-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--cta-glow);
    color: var(--white);
}

/* --- Sections --- */
.section-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    text-align: center;
    margin-bottom: var(--space-lg);
    color: var(--primary);
}

.categories-section, .latest-section {
    padding: var(--space-xl) 0;
}

.categories-section {
    background-color: var(--background);
}

/* --- Grid Categories --- */
.grid-categories {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
}

.category-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius);
    min-height: 160px;
    display: flex;
    align-items: flex-end;
    transition: all 0.3s;
    border: 1px solid rgba(255, 255, 255, 0.05);
    background: var(--gradient-card);
    color: var(--white);
}

.category-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.2) 60%, transparent 100%);
    transition: all 0.3s;
    z-index: 1;
}

.category-card:hover .category-card-overlay {
    background: linear-gradient(to top, rgba(0, 173, 239, 0.6) 0%, rgba(0, 0, 0, 0.3) 60%, transparent 100%);
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
    color: var(--white);
}

.category-card-content {
    position: relative;
    z-index: 2;
    padding: var(--space-md) var(--space-sm);
    width: 100%;
}

.category-card h3 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.category-count {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    opacity: 0.6;
}

/* Category background images via nth-child */
.category-card:nth-child(1) { background: url('https://images.unsplash.com/photo-1618843479313-40f8afb4b4d8?w=600&h=400&fit=crop') center/cover; }
.category-card:nth-child(2) { background: url('https://images.unsplash.com/photo-1554224155-6726b3ff858f?w=600&h=400&fit=crop') center/cover; }
.category-card:nth-child(3) { background: url('https://images.unsplash.com/photo-1593941707882-a5bba14938c7?w=600&h=400&fit=crop') center/cover; }
.category-card:nth-child(4) { background: url('https://images.unsplash.com/photo-1568605117036-5fe5e7bab0b7?w=600&h=400&fit=crop') center/cover; }
.category-card:nth-child(5) { background: url('https://images.unsplash.com/photo-1486006920555-c77dcf18193c?w=600&h=400&fit=crop') center/cover; }
.category-card:nth-child(6) { background: url('https://images.unsplash.com/photo-1450101499163-c8848c66ca85?w=600&h=400&fit=crop') center/cover; }

/* --- Grid Articles --- */
.grid-articles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--space-md);
}

.article-card {
    background-color: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all 0.3s;
    position: relative;
    display: flex;
    flex-direction: column;
}

.article-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-cta);
    opacity: 0;
    transition: opacity 0.3s;
}

.article-card:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
    border-color: transparent;
}

.article-card:hover::after {
    opacity: 1;
}

/* Article card image */
.article-card-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.article-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.article-card:hover .article-card-image img {
    transform: scale(1.05);
}

.article-card-body {
    padding: var(--space-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: var(--text-light);
    margin-bottom: var(--space-sm);
}

.article-category {
    font-weight: 700;
    color: var(--cta);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-card h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
    line-height: 1.35;
}

.article-card h3 a {
    color: var(--text);
    transition: color 0.2s;
}

.article-card h3 a:hover {
    color: var(--cta);
}

.article-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: var(--space-sm);
    line-height: 1.6;
}

.read-more {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--cta);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.2s;
}

.read-more::after {
    content: '\2192';
    transition: transform 0.2s;
}

.article-card:hover .read-more::after {
    transform: translateX(4px);
}

/* --- List page --- */
.list-header {
    background: var(--gradient-dark);
    color: var(--white);
    padding: var(--space-lg) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.list-header.has-banner {
    background-size: cover;
    background-position: center;
    padding: var(--space-xl) 0 var(--space-lg);
    min-height: 280px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.list-header-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.35) 50%, rgba(0, 0, 0, 0.15) 100%);
    pointer-events: none;
}

.list-header-content {
    position: relative;
    z-index: 1;
}

.list-header h1 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.list-description {
    opacity: 0.7;
    margin-top: var(--space-xs);
}

.list-count {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    opacity: 0.5;
    display: inline-block;
    margin-top: var(--space-xs);
    background: rgba(255, 255, 255, 0.1);
    padding: 0.2rem 0.8rem;
    border-radius: 50px;
}

.list-content {
    padding: var(--space-lg) 0;
}

.articles-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.article-card-horizontal {
    background-color: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all 0.3s;
    display: flex;
    align-items: stretch;
}

.article-card-horizontal:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 173, 239, 0.2);
}

.article-card-h-image {
    width: 260px;
    min-height: 180px;
    flex-shrink: 0;
    overflow: hidden;
}

.article-card-h-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.article-card-horizontal:hover .article-card-h-image img {
    transform: scale(1.05);
}

.article-card-horizontal .article-body {
    padding: var(--space-md);
    flex: 1;
}

.article-card-horizontal h2 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.article-card-horizontal h2 a {
    color: var(--text);
}

.article-card-horizontal h2 a:hover {
    color: var(--cta);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
}

.tag {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-light);
    background-color: var(--background-alt);
    padding: 3px 12px;
    border-radius: 50px;
    transition: all 0.2s;
}

.tag:hover {
    color: var(--cta);
    background-color: rgba(0, 173, 239, 0.1);
}

.reading-time {
    font-family: var(--font-ui);
}

/* --- Single Article --- */
.article-header {
    background: var(--gradient-dark);
    color: var(--white);
    padding: var(--space-lg) 0;
    position: relative;
    overflow: hidden;
}

.article-header.has-banner {
    background-size: cover;
    background-position: center;
    padding: var(--space-xl) 0 var(--space-lg);
    min-height: 340px;
    display: flex;
    align-items: flex-end;
}

.article-header-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.4) 50%, rgba(0, 0, 0, 0.2) 100%);
    pointer-events: none;
}

.article-header-content {
    position: relative;
    z-index: 1;
}

.article-header h1 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.5px;
}

.article-header .article-description {
    font-size: 1.05rem;
    opacity: 0.7;
    margin-bottom: var(--space-sm);
    line-height: 1.6;
}

.article-header .article-category {
    color: var(--cta);
}

.article-header .tag {
    background-color: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Author */
.article-author {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    margin-top: var(--space-xs);
}

.author-label {
    opacity: 0.5;
}

.author-name {
    font-weight: 700;
}

.article-header .article-author {
    color: rgba(255, 255, 255, 0.8);
}

.article-content {
    padding: var(--space-lg) 0;
}

/* Article body typography */
.article-content h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
    padding-bottom: var(--space-xs);
    border-bottom: 2px solid var(--background-alt);
}

.article-content h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text);
    margin-top: var(--space-md);
    margin-bottom: var(--space-sm);
}

.article-content p {
    margin-bottom: var(--space-sm);
}

.article-content ul, .article-content ol {
    margin-bottom: var(--space-sm);
    padding-left: var(--space-md);
}

.article-content li {
    margin-bottom: var(--space-xs);
}

.article-content blockquote {
    border-left: 4px solid var(--cta);
    background: linear-gradient(135deg, rgba(0, 173, 239, 0.04) 0%, rgba(0, 119, 182, 0.02) 100%);
    padding: var(--space-sm) var(--space-md);
    margin: var(--space-md) 0;
    border-radius: 0 var(--radius) var(--radius) 0;
    font-style: italic;
}

.article-content blockquote strong {
    font-style: normal;
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-md) 0;
    font-size: 0.9rem;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.article-content th {
    background: var(--gradient-dark);
    color: var(--white);
    font-family: var(--font-ui);
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: left;
    padding: 0.85rem 1.2rem;
}

.article-content td {
    padding: 0.85rem 1.2rem;
    border-bottom: 1px solid var(--border);
}

.article-content tr:nth-child(even) {
    background-color: var(--background-alt);
}

.article-content strong {
    font-weight: 700;
    color: var(--primary);
}

/* FAQ Accordion */
.article-content details {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: var(--space-xs);
    background-color: var(--white);
    overflow: hidden;
    transition: border-color 0.2s;
}

.article-content details[open] {
    border-color: var(--cta);
    box-shadow: 0 4px 16px rgba(0, 173, 239, 0.08);
}

.article-content details summary {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background-color 0.2s, color 0.2s;
}

.article-content details summary::-webkit-details-marker {
    display: none;
}

.article-content details summary::after {
    content: '+';
    font-family: var(--font-ui);
    font-size: 1.2rem;
    font-weight: 300;
    color: var(--text-light);
    transition: transform 0.2s;
    flex-shrink: 0;
    margin-left: var(--space-sm);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--background-alt);
}

.article-content details[open] summary::after {
    content: '\2212';
    color: var(--white);
    background: var(--cta);
}

.article-content details summary:hover {
    background-color: var(--background-alt);
    color: var(--cta);
}

.article-content details[open] summary {
    background-color: rgba(0, 173, 239, 0.04);
    color: var(--cta);
    border-bottom: 1px solid var(--border);
}

.article-content details > p,
.article-content details > ul,
.article-content details > ol {
    padding: var(--space-sm) var(--space-md);
    margin-bottom: 0;
}

/* Sitemap HTML */
.sitemap-page .list-header {
    background: var(--gradient-dark);
    color: var(--white);
    padding: var(--space-lg) 0;
    text-align: center;
}

.sitemap-content {
    padding: var(--space-lg) 0;
}

.sitemap-section {
    margin-bottom: var(--space-lg);
}

.sitemap-section h2 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
    padding-bottom: var(--space-xs);
    border-bottom: 2px solid var(--background-alt);
    margin-bottom: var(--space-sm);
}

.sitemap-list {
    list-style: none;
    padding: 0;
}

.sitemap-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-xs) 0;
    border-bottom: 1px solid var(--background-alt);
}

.sitemap-list li:last-child {
    border-bottom: none;
}

.sitemap-list a {
    font-family: var(--font-body);
    color: var(--text);
    font-weight: 500;
}

.sitemap-list a:hover {
    color: var(--cta);
}

.sitemap-date {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: var(--text-light);
    flex-shrink: 0;
    margin-left: var(--space-sm);
}

/* Article footer nav */
.article-footer {
    border-top: 1px solid var(--border);
    padding: var(--space-md) 0;
}

.article-nav {
    display: flex;
    justify-content: space-between;
    gap: var(--space-md);
}

.nav-prev, .nav-next {
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-width: 45%;
    padding: var(--space-sm);
    border-radius: var(--radius);
    transition: background 0.2s;
}

.nav-prev:hover, .nav-next:hover {
    background: var(--background-alt);
}

.nav-next {
    text-align: right;
    margin-left: auto;
}

.nav-label {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-light);
}

.nav-title {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--cta);
}

/* --- Footer --- */
.site-footer {
    background: var(--gradient-dark);
    color: var(--white);
    padding: var(--space-xl) 0 var(--space-md);
    position: relative;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 173, 239, 0.3), transparent);
}

.footer-container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.footer-col h4 {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-sm);
    color: var(--white);
}

.footer-col p {
    font-size: 0.85rem;
    opacity: 0.6;
    line-height: 1.7;
}

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

.footer-col li {
    margin-bottom: var(--space-xs);
}

.footer-col a {
    color: rgba(255, 255, 255, 0.5);
    font-family: var(--font-ui);
    font-size: 0.85rem;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: var(--cta);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: var(--space-md);
    text-align: center;
}

.footer-bottom p {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    opacity: 0.4;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .site-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--gradient-dark);
        flex-direction: column;
        padding: var(--space-sm) var(--space-md) var(--space-md);
        border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .site-nav.nav-open {
        display: flex;
    }

    .nav-link {
        font-size: 0.8rem;
        padding: 0.6rem 0;
    }

    /* Mega menu mobile */
    .mega-menu {
        position: static;
        width: 100%;
        box-shadow: none;
        border-radius: 0;
        background: rgba(255, 255, 255, 0.05);
    }

    .mega-menu::before {
        display: none;
    }

    .mega-menu-inner {
        padding: var(--space-sm);
    }

    .mega-menu-header {
        display: none;
    }

    .mega-menu-grid {
        grid-template-columns: 1fr;
    }

    .mega-menu-item-name {
        color: var(--white);
    }

    .mega-menu-item-desc {
        color: rgba(255, 255, 255, 0.5);
    }

    .mega-menu-icon {
        background: rgba(255, 255, 255, 0.1);
    }

    .mega-menu-item:hover {
        background: rgba(255, 255, 255, 0.08);
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .grid-articles {
        grid-template-columns: 1fr;
    }

    .grid-categories {
        grid-template-columns: repeat(2, 1fr);
    }

    .article-header h1 {
        font-size: 1.6rem;
    }

    .article-nav {
        flex-direction: column;
    }

    .nav-prev, .nav-next {
        max-width: 100%;
        text-align: left;
    }

    /* Horizontal cards stack on mobile */
    .article-card-horizontal {
        flex-direction: column;
    }

    .article-card-h-image {
        width: 100%;
        height: 180px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.4rem;
    }

    .grid-categories {
        grid-template-columns: 1fr;
    }
}