/* ===== VARIABLES CARROUSEL FOOTER ===== */
.footer-featured-section {
    --footer-carousel-spacing: 2rem;
    --card-radius: 20px;
    --transition-smooth: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --shadow-subtle: 0 4px 25px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 15px 50px rgba(0, 0, 0, 0.15);
    --accent-gradient: linear-gradient(135deg, var(--primary), var(--accent));
}

/* ===== SECTION PRINCIPALE ===== */
.footer-featured-section {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    padding: 4rem 0 3rem;
    position: relative;
    overflow: hidden;
}

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

/* ===== EN-TÊTE ===== */
.footer-carousel-header {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.footer-carousel-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 0.5rem 0;
    position: relative;
    display: inline-block;
}

.footer-carousel-title::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-gradient);
    border-radius: 2px;
}

.footer-carousel-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin: 0;
    font-weight: 500;
}

/* ===== WRAPPER CARROUSEL ===== */
.footer-carousel-wrapper {
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* ===== CARROUSEL AVANCÉ ===== */
.advanced-footer-carousel {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: calc(33.333% - 1rem);
    gap: 1.5rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 1rem 0 2rem;
    scroll-padding: 0 1rem;
}

.advanced-footer-carousel::-webkit-scrollbar {
    display: none;
}

/* ===== CARTES ===== */
.footer-featured-card {
    background: var(--bg-primary);
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: var(--shadow-subtle);
    border: 1px solid var(--border);
    transition: var(--transition-smooth);
    scroll-snap-align: start;
    position: relative;
    display: flex;
    flex-direction: column;
}

.footer-featured-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}

/* MÉDIA */
.footer-card-media {
    position: relative;
    overflow: hidden;
    height: 220px;
}

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

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

.footer-featured-card:hover .footer-featured-image {
    transform: scale(1.08);
}

.footer-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        180deg,
        transparent 0%,
        transparent 60%,
        rgba(0, 0, 0, 0.1) 80%,
        rgba(0, 0, 0, 0.3) 100%
    );
    opacity: 0;
    transition: var(--transition-smooth);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 2rem;
}

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

.overlay-content {
    transform: translateY(20px);
    transition: var(--transition-smooth);
}

.footer-featured-card:hover .overlay-content {
    transform: translateY(0);
}

.read-more-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.read-more-indicator i {
    transition: transform 0.3s ease;
}

.footer-featured-card:hover .read-more-indicator i {
    transform: translateX(4px);
}

/* BADGE POPULARITÉ */
.popularity-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 0.5rem 0.75rem;
    border-radius: 2rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition-smooth);
}

.popularity-badge i {
    color: #ff6b35;
}

.footer-featured-card:hover .popularity-badge {
    transform: scale(1.05);
}

/* CONTENU */
.footer-card-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.footer-category-tag {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: var(--primary);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 2rem;
    text-decoration: none;
    transition: var(--transition-smooth);
    margin-bottom: 1rem;
    align-self: flex-start;
}

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

.footer-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.4;
    margin: 0 0 1rem 0;
    flex: 1;
}

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

.footer-card-title a:hover {
    background-size: 100% 2px;
    color: var(--primary);
}

.footer-card-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* MÉTADONNÉES */
.footer-card-meta {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.footer-author-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-author-info img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid var(--primary);
}

.author-details-mini {
    display: flex;
    flex-direction: column;
}

.written-by {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-publish-date,
.footer-engagement {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-engagement i {
    color: var(--primary);
}

/* INDICATEUR DE PROGRESSION */
.carousel-progress-indicator {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: rgba(0, 0, 0, 0.1);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.footer-featured-card:hover .carousel-progress-indicator {
    opacity: 1;
}

.progress-bar {
    height: 100%;
    width: 100%;
    background: transparent;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: var(--accent-gradient);
    transition: width 0.3s ease;
}

.footer-featured-card:hover .progress-fill {
    width: 100%;
    transition: width 3s linear;
}

/* ===== CONTRÔLES CARROUSEL ===== */
.footer-carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin: 2rem 0;
}

.carousel-control {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid var(--border);
    background: var(--bg-primary);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-subtle);
}

.carousel-control:hover {
    border-color: var(--primary);
    background: var(--primary);
    color: white;
    transform: scale(1.1);
}

.carousel-control:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.carousel-control:disabled:hover {
    border-color: var(--border);
    background: var(--bg-primary);
    color: var(--text-primary);
}

.carousel-pagination {
    display: flex;
    gap: 0.5rem;
}

.pagination-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.pagination-dot.active {
    background: var(--primary);
    transform: scale(1.2);
}

/* ===== APPEL À L'ACTION ===== */
.footer-cta {
    text-align: center;
    margin-top: 2rem;
}

.explore-more-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: transparent;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    border-radius: 2rem;
    transition: var(--transition-smooth);
    border: 2px solid var(--border);
    position: relative;
    overflow: hidden;
}

.explore-more-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent-gradient);
    transition: var(--transition-smooth);
    z-index: -1;
}

.explore-more-button:hover {
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
}

.explore-more-button:hover::before {
    left: 0;
}

.explore-more-button i {
    transition: transform 0.3s ease;
}

.explore-more-button:hover i {
    transform: translateX(4px);
}

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

.back-dark .footer-featured-card {
    background: var(--bg-primary);
    border-color: var(--border);
}

.back-dark .popularity-badge {
    background: rgba(30, 41, 59, 0.95);
    color: var(--text-primary);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
    .advanced-footer-carousel {
        grid-auto-columns: calc(50% - 1rem);
    }
}

@media (max-width: 768px) {
    .footer-featured-section {
        padding: 3rem 0 2rem;
    }
    
    .advanced-footer-carousel {
        grid-auto-columns: calc(100% - 1rem);
        gap: 1rem;
    }
    
    .footer-carousel-controls {
        gap: 1rem;
    }
    
    .carousel-control {
        width: 40px;
        height: 40px;
    }
    
    .footer-card-media {
        height: 200px;
    }
    
    .footer-card-content {
        padding: 1.25rem;
    }
}

@media (max-width: 480px) {
    .footer-carousel-header {
        margin-bottom: 2rem;
    }
    
    .footer-card-meta {
        gap: 0.5rem;
    }
    
    .explore-more-button {
        padding: 0.875rem 1.5rem;
        font-size: 0.9rem;
    }
}

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

.footer-featured-card {
    animation: slideInFromBottom 0.6s ease-out;
}

.footer-featured-card:nth-child(1) { animation-delay: 0.1s; }
.footer-featured-card:nth-child(2) { animation-delay: 0.2s; }
.footer-featured-card:nth-child(3) { animation-delay: 0.3s; }
.footer-featured-card:nth-child(4) { animation-delay: 0.4s; }
.footer-featured-card:nth-child(5) { animation-delay: 0.5s; }

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

.footer-card-image-link:focus,
.carousel-control:focus,
.explore-more-button:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}