/* ==================== VARIABLES ==================== */
:root {
    /* Couleurs principales */
    --white: #FFFFFF;
    --white-off: #F9FAFB;
    --blue-primary: #1E3A8A;
    --blue-secondary: #2563EB;
    --blue-light: #DBEAFE;
    --red-primary: #DC2626;
    --red-secondary: #B91C1C;
    --red-light: #FEE2E2;
    
    /* Couleurs neutres */
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Ombres */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Layout */
    --container-width: 1280px;
    --header-height: 80px;
    --border-radius: 12px;
}

/* ==================== RESET ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--white-off);
    color: var(--gray-900);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ==================== TYPOGRAPHIE ==================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul, ol {
    list-style: none;
}

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

/* ==================== CONTAINER ==================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ==================== HEADER ==================== */
.header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 2px solid var(--blue-primary);
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    gap: 20px;
    flex-wrap: wrap;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.logo-text h1 {
    font-size: 1.5rem;
    color: var(--blue-primary);
    margin: 0;
}

.logo-text span {
    font-size: 0.75rem;
    color: var(--gray-500);
    display: block;
}

.header-date {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-600);
    font-size: 0.875rem;
    background: var(--gray-100);
    padding: 8px 16px;
    border-radius: 50px;
}

.header-actions {
    display: flex;
    gap: 12px;
}

.search-toggle,
.menu-toggle {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--gray-700);
    padding: 8px;
    border-radius: 8px;
    transition: all var(--transition-fast);
}

.search-toggle:hover,
.menu-toggle:hover {
    background: var(--gray-100);
    color: var(--blue-primary);
}

/* Navigation */
.main-nav {
    border-top: 1px solid var(--gray-200);
    padding: 12px 0;
}

.nav-menu {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
}

.nav-menu a {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 4px 0;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--red-primary);
    transition: width var(--transition-base);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--blue-primary);
}

/* Search Bar */
.search-bar {
    display: none;
    padding: 20px 0;
    background: var(--white);
    border-top: 1px solid var(--gray-200);
}

.search-bar.show {
    display: block;
}

.search-wrapper {
    display: flex;
    gap: 12px;
}

.search-wrapper input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.search-wrapper input:focus {
    outline: none;
    border-color: var(--blue-primary);
    box-shadow: 0 0 0 3px var(--blue-light);
}

.search-wrapper button {
    padding: 12px 24px;
    background: var(--blue-primary);
    color: var(--white);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.search-wrapper button:hover {
    background: var(--blue-secondary);
    transform: translateY(-1px);
}

/* ==================== HERO SECTION ==================== */
.hero-section {
    background: linear-gradient(135deg, var(--blue-primary) 0%, var(--blue-secondary) 100%);
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, var(--red-primary) 100%);
    opacity: 0.1;
    clip-path: polygon(100% 0, 0 0, 100% 100%);
}

.hero-slide {
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-slide.active {
    display: grid;
}

.hero-content {
    color: var(--white);
}

.hero-badge {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.category-badge {
    background: var(--red-primary);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.featured-badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 30px;
}

.hero-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    font-size: 0.875rem;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    color: var(--blue-primary);
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 700;
    transition: all var(--transition-base);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: var(--red-primary);
    color: var(--white);
}

.hero-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
}

/* Slider Controls */
.slider-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 40px;
}

.slider-prev,
.slider-next {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: var(--white);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.slider-prev:hover,
.slider-next:hover {
    background: var(--white);
    color: var(--blue-primary);
}

.slider-dots {
    display: flex;
    gap: 12px;
}

.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.slider-dot.active {
    background: var(--white);
    width: 24px;
    border-radius: 10px;
}

/* ==================== BREAKING NEWS ==================== */
.breaking-news {
    background: var(--red-primary);
    padding: 12px 0;
    margin: 30px 0;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 20px;
    overflow: hidden;
}

.breaking-label {
    background: var(--blue-primary);
    color: var(--white);
    padding: 8px 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.breaking-ticker {
    flex: 1;
    overflow: hidden;
}

.ticker-wrapper {
    display: flex;
    gap: 40px;
    white-space: nowrap;
    animation: ticker 30s linear infinite;
}

.ticker-item a {
    color: var(--white);
    font-weight: 500;
}

.ticker-item a:hover {
    text-decoration: underline;
}

@keyframes ticker {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ==================== SECTION TITLES ==================== */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.section-title {
    font-size: 1.875rem;
    color: var(--gray-900);
    position: relative;
    padding-left: 16px;
}

.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background: var(--red-primary);
    border-radius: 2px;
}

.btn-text {
    color: var(--blue-primary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition-fast);
}

.btn-text:hover {
    color: var(--red-primary);
    gap: 12px;
}

/* ==================== ARTICLES GRID ==================== */
.main-content {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 48px;
    margin: 48px 0;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.article-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow);
    position: relative;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 10;
    display: flex;
    gap: 8px;
}

.popular-badge,
.new-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.popular-badge {
    background: var(--red-primary);
    color: var(--white);
}

.new-badge {
    background: var(--blue-primary);
    color: var(--white);
}

.card-image {
    position: relative;
    overflow: hidden;
    height: 220px;
}

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

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

.image-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.article-card:hover .image-overlay {
    opacity: 1;
}

.read-icon {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 600;
}

.card-content {
    padding: 20px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.article-category {
    background: var(--blue-light);
    color: var(--blue-primary);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.article-category:hover {
    background: var(--blue-primary);
    color: var(--white);
}

.article-date {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.card-content h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    line-height: 1.4;
}

.card-content h3 a:hover {
    color: var(--blue-primary);
}

.article-excerpt {
    color: var(--gray-600);
    font-size: 0.875rem;
    margin-bottom: 16px;
    line-height: 1.5;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--gray-200);
}

.article-stats {
    display: flex;
    gap: 16px;
    font-size: 0.75rem;
    color: var(--gray-500);
}

.read-more {
    color: var(--blue-primary);
    font-weight: 600;
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.read-more:hover {
    color: var(--red-primary);
    gap: 8px;
}

/* ==================== SIDEBAR ==================== */
.sidebar-right {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.sidebar-widget {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--shadow);
}

.widget-title {
    font-size: 1.25rem;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--red-primary);
    display: inline-block;
}

.trending-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.trending-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.trending-rank {
    width: 32px;
    height: 32px;
    background: var(--red-primary);
    color: var(--white);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
}

.trending-content {
    flex: 1;
}

.trending-title {
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 4px;
    display: block;
}

.trending-title:hover {
    color: var(--blue-primary);
}

.trending-stats {
    font-size: 0.75rem;
    color: var(--gray-500);
}

/* Categories Cloud */
.categories-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.category-tag {
    background: var(--gray-100);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.category-tag:hover {
    background: var(--blue-primary);
    color: var(--white);
    transform: translateY(-2px);
}

.category-count {
    font-size: 0.75rem;
    opacity: 0.7;
}

/* Newsletter Widget */
.newsletter-widget p {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: 16px;
}

.sidebar-newsletter .form-group {
    display: flex;
    gap: 8px;
}

.sidebar-newsletter input {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 0.875rem;
}

.sidebar-newsletter button {
    background: var(--blue-primary);
    color: var(--white);
    border: none;
    padding: 10px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.sidebar-newsletter button:hover {
    background: var(--red-primary);
}

/* ==================== SINGLE ARTICLE ==================== */
.article-wrapper {
    margin: 40px 0;
}

.breadcrumb {
    margin-bottom: 24px;
}

.breadcrumb ol {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.breadcrumb li {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.breadcrumb li:not(:last-child)::after {
    content: '/';
    margin-left: 12px;
}

.breadcrumb a:hover {
    color: var(--blue-primary);
}

.article-main {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 48px;
}

.full-article {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow);
}

.article-header {
    margin-bottom: 32px;
}

.article-categories {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.article-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.article-meta-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--gray-200);
    margin-bottom: 20px;
}

.author-info {
    display: flex;
    gap: 12px;
    align-items: center;
}

.author-avatar i {
    font-size: 2rem;
    color: var(--gray-400);
}

.author-name {
    font-weight: 600;
    display: block;
}

.publish-date {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.article-stats {
    display: flex;
    gap: 16px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    color: var(--gray-600);
}

.article-share-top {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.share-label {
    font-weight: 600;
    color: var(--gray-700);
}

.share-buttons {
    display: flex;
    gap: 8px;
}

.share-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--white);
}

.share-facebook { background: #1877F2; }
.share-twitter { background: #1DA1F2; }
.share-whatsapp { background: #25D366; }
.share-linkedin { background: #0077B5; }
.share-copy { background: var(--gray-600); }

.share-btn:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
}

.article-featured-image {
    margin: 32px 0;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.article-featured-image img {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
}

.article-content {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--gray-700);
}

.article-content p {
    margin-bottom: 24px;
}

.article-content h2 {
    margin: 32px 0 16px;
}

.article-content h3 {
    margin: 24px 0 12px;
}

.article-footer {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--gray-200);
}

/* Comments Section */
.comments-section {
    margin-top: 48px;
}

.comments-title {
    margin-bottom: 24px;
}

.comment-form-wrapper {
    background: var(--gray-50);
    padding: 24px;
    border-radius: var(--border-radius);
    margin-bottom: 32px;
}

.comment-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--blue-primary);
    box-shadow: 0 0 0 3px var(--blue-light);
}

.btn-submit {
    background: var(--blue-primary);
    color: var(--white);
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.btn-submit:hover {
    background: var(--red-primary);
    transform: translateY(-1px);
}

.comments-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.comment-item {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--gray-50);
    border-radius: var(--border-radius);
}

.comment-avatar i {
    font-size: 2.5rem;
    color: var(--gray-400);
}

.comment-content {
    flex: 1;
}

.comment-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.comment-author {
    font-weight: 700;
    color: var(--gray-900);
}

.comment-date {
    font-size: 0.75rem;
    color: var(--gray-500);
}

/* ==================== CATEGORY PAGE ==================== */
.category-header {
    background: linear-gradient(135deg, var(--blue-primary), var(--blue-secondary));
    padding: 48px;
    border-radius: var(--border-radius);
    color: var(--white);
    margin-bottom: 40px;
}

.category-title {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.category-description {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 16px;
}

.category-filters {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: 30px;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--blue-primary);
    color: var(--white);
    border-color: var(--blue-primary);
}

.category-articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

/* ==================== PAGINATION ==================== */
.pagination-wrapper {
    margin: 48px 0;
}

.pagination-list {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

.pagination-list a,
.pagination-list span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    transition: all var(--transition-fast);
}

.pagination-list a:hover {
    background: var(--blue-primary);
    color: var(--white);
    border-color: var(--blue-primary);
}

.pagination-list .active {
    background: var(--blue-primary);
    color: var(--white);
    border-color: var(--blue-primary);
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: 60px 0 20px;
    margin-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo img {
    width: 50px;
    height: 50px;
}

.footer-logo h3 {
    color: var(--white);
    font-size: 1.25rem;
}

.footer-description {
    line-height: 1.6;
}

.footer h4 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.125rem;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a:hover {
    color: var(--red-primary);
}

.footer-contact p {
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.social-icons {
    display: flex;
    gap: 16px;
    margin-top: 20px;
}

.social-icons a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.social-icons a:hover {
    background: var(--red-primary);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--gray-800);
}

/* ==================== BACK TO TOP ==================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--blue-primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 1000;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--red-primary);
    transform: translateY(-3px);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
    .main-content,
    .article-main {
        grid-template-columns: 1fr;
    }
    
    .hero-slide {
        grid-template-columns: 1fr;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .header-top {
        flex-direction: column;
    }
    
    .nav-menu {
        gap: 16px;
        justify-content: center;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .articles-grid,
    .category-articles-grid {
        grid-template-columns: 1fr;
    }
    
    .full-article {
        padding: 20px;
    }
    
    .article-title {
        font-size: 1.75rem;
    }
    
    .comment-form .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.5rem;
    }
    
    .article-meta-top {
        flex-direction: column;
    }
    
    .share-buttons {
        flex-wrap: wrap;
    }
}