/* ===== VARIABLES MODERNES ===== */
.modern-hero-section {
    --hero-spacing: clamp(2rem, 5vw, 4rem);
    --card-radius: clamp(12px, 2vw, 20px);
    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 40px rgba(0, 0, 0, 0.12);
    --gradient-overlay: linear-gradient(180deg, transparent 0%, transparent 40%, rgba(0, 0, 0, 0.1) 60%, rgba(0, 0, 0, 0.3) 80%, rgba(0, 0, 0, 0.6) 100%);
}

/* ===== SECTION PRINCIPALE ===== */
.modern-hero-section {
    padding: var(--hero-spacing) 0;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
}

.modern-hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

/* ===== GRID PRINCIPALE ===== */
.modern-hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--hero-spacing);
    margin-bottom: var(--hero-spacing);
}

@media (min-width: 992px) {
    .modern-hero-grid {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto auto;
        gap: var(--hero-spacing);
        min-height: min(800px, 85vh);
    }
    
    .hero-featured-carousel {
        grid-column: 1;
        grid-row: 1 / span 2;
    }
    
    .hero-sidebar-content {
        grid-column: 2;
        grid-row: 1 / span 2;
        display: flex;
        flex-direction: column;
        gap: var(--hero-spacing);
        height: 100%;
    }
}

/* ===== CARROUSEL PRINCIPAL ===== */
.hero-featured-carousel {
    position: relative;
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.hero-featured-article {
    height: 100%;
    position: relative;
}

.article-media-wrapper {
    position: relative;
    height: 100%;
    min-height: min(500px, 70vh);
    overflow: hidden;
    border-radius: var(--card-radius);
    transform: translateZ(0);
}

.article-image-link {
    display: block;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.article-featured-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
    will-change: transform;
}

.article-media-wrapper:hover .article-featured-image {
    transform: scale(1.05);
}

.image-gradient-overlay {
    position: absolute;
    inset: 0;
    background: var(--gradient-overlay);
    opacity: 1;
    transition: var(--transition-smooth);
    z-index: 1;
}

.article-media-wrapper:hover .image-gradient-overlay {
    opacity: 0.9;
}

.article-content-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: clamp(1.5rem, 4vw, 3rem);
    z-index: 2;
    color: white;
}

.article-category-tag {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: var(--primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 2rem;
    text-decoration: none;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-md);
    margin-bottom: 1rem;
}

.article-category-tag:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.article-title {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin: 0 0 1.5rem 0;
}

.article-title a {
    color: white;
    text-decoration: none;
    background: linear-gradient(135deg, currentColor 0%, currentColor 100%);
    background-size: 0% 2px;
    background-repeat: no-repeat;
    background-position: left bottom;
    transition: background-size 0.4s ease;
    padding-bottom: 0.25rem;
}

.article-title a:hover {
    background-size: 100% 2px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.meta-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
}

.meta-author img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.meta-date,
.meta-comments {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    opacity: 0.9;
}

/* ===== SIDEBAR CONTENT ===== */
.hero-sidebar-content {
    height: 100%;
}

.sidebar-main-article {
    flex: 1;
}

.sidebar-featured-article {
    height: 100%;
    position: relative;
}

.sidebar-featured-article .article-media-wrapper {
    min-height: min(350px, 45vh);
}

.sidebar-featured-article .article-title {
    font-size: clamp(1.25rem, 2vw, 1.75rem);
}

.sidebar-secondary-articles {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 576px) {
    .sidebar-secondary-articles {
        grid-template-columns: 1fr 1fr;
    }
}

/* ===== CARTES SECONDAIRES ===== */
.secondary-article-card {
    background: var(--bg-primary);
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border);
    transition: var(--transition-smooth);
    height: 100%;
}

.secondary-article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}

.card-media-wrapper {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.card-image-link {
    display: block;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.card-featured-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

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

.card-media-wrapper .image-gradient-overlay {
    background: linear-gradient(180deg, transparent 0%, transparent 50%, rgba(0, 0, 0, 0.4) 100%);
}

.card-content {
    padding: 1.5rem;
}

.card-category {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary);
    background: rgba(37, 99, 235, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 2rem;
    margin-bottom: 0.75rem;
    text-decoration: none;
    transition: var(--transition-smooth);
}

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

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.4;
    margin: 0 0 1rem 0;
}

.card-title a {
    color: var(--text-primary);
    text-decoration: none;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.card-title a:hover {
    color: var(--primary);
}

.card-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.card-meta .meta-author {
    font-size: 0.8rem;
}

.card-meta .meta-author img {
    width: 24px;
    height: 24px;
}

/* ===== CARROUSEL INFERIEUR ===== */
.hero-bottom-carousel-section {
    margin-top: var(--hero-spacing);
}

.carousel-section-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.carousel-section-title::after {
    content: '';
    position: absolute;
    bottom: -0.75rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-sm);
}

.bottom-articles-carousel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .bottom-articles-carousel {
        grid-template-columns: repeat(3, 1fr);
    }
}

.bottom-article-item {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-primary);
    border-radius: var(--card-radius);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border);
    transition: var(--transition-smooth);
    text-decoration: none;
    color: inherit;
}

.bottom-article-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}

.item-media {
    flex-shrink: 0;
    width: 100px;
    height: 80px;
    border-radius: var(--radius);
    overflow: hidden;
}

.item-image-link {
    display: block;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.item-featured-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.bottom-article-item:hover .item-featured-image {
    transform: scale(1.1);
}

.item-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.item-category {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary);
    background: rgba(37, 99, 235, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 2rem;
    margin-bottom: 0.5rem;
    text-decoration: none;
    transition: var(--transition-smooth);
}

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

.item-title {
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.4;
    margin: 0 0 0.5rem 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.item-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.item-title a:hover {
    color: var(--primary);
}

.item-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ===== OWL CAROUSEL STYLES MODERNISES ===== */
.hero-featured-carousel .owl-nav {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 1rem;
    z-index: 3;
}

.hero-featured-carousel .owl-nav button {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
    border: none;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-featured-carousel .owl-nav button:hover {
    background: var(--primary) !important;
    transform: scale(1.1);
}

.hero-featured-carousel .owl-nav button span {
    font-size: 1.5rem;
    color: var(--text-primary);
    line-height: 1;
}

.hero-featured-carousel .owl-nav button:hover span {
    color: white;
}

/* ===== DARK MODE ===== */
.back-dark .modern-hero-section {
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --bg-primary: #1e293b;
    --bg-secondary: #0f172a;
    --bg-tertiary: #334155;
    --border: #475569;
}

.back-dark .secondary-article-card,
.back-dark .bottom-article-item {
    background: var(--bg-primary);
    border-color: var(--border);
}

.back-dark .card-title a,
.back-dark .item-title a {
    color: var(--text-primary);
}

.back-dark .card-title a:hover,
.back-dark .item-title a:hover {
    color: var(--primary-light);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .modern-hero-section {
        padding: 2rem 0;
    }
    
    .article-meta {
        gap: 1rem;
    }
    
    .meta-comments {
        display: none;
    }
    
    .bottom-articles-carousel {
        grid-template-columns: 1fr;
    }
    
    .bottom-article-item {
        padding: 1rem;
    }
}

@media (max-width: 576px) {
    .article-content-overlay {
        padding: 1.5rem;
    }
    
    .article-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .sidebar-secondary-articles {
        grid-template-columns: 1fr;
    }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-featured-article {
    animation: fadeInUp 0.6s ease-out;
}

.secondary-article-card {
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.bottom-article-item:nth-child(1) { animation: fadeInUp 0.6s ease-out 0.1s both; }
.bottom-article-item:nth-child(2) { animation: fadeInUp 0.6s ease-out 0.2s both; }
.bottom-article-item:nth-child(3) { animation: fadeInUp 0.6s ease-out 0.3s both; }

/* ===== ACCESSIBILITE ===== */
@media (prefers-reduced-motion: reduce) {
    .modern-hero-section * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

.article-image-link:focus,
.card-image-link:focus,
.item-image-link:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}