/**
 * Page Blog - Styles optimisés
 *
 * @package NormandieSeminaire
 * @since 1.0.0
 */

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.blog-hero {
    position: relative;
    padding: var(--space-16) 0 var(--space-12);
    background: linear-gradient(135deg, var(--color-fond-sombre) 0%, var(--color-fond-sombre-light) 100%);
    color: var(--color-blanc);
    overflow: hidden;
}

.blog-hero__bg {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.blog-hero__content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.blog-breadcrumbs {
    margin-bottom: var(--space-6);
}

.breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: var(--text-sm);
}

.breadcrumbs__item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.breadcrumbs__item:not(:last-child)::after {
    content: '/';
    color: var(--color-gris-500);
}

.breadcrumbs__item a {
    color: var(--color-gris-300);
    transition: color var(--transition-fast);
}

.breadcrumbs__item a:hover {
    color: var(--color-or);
}

.breadcrumbs__item--current span {
    color: var(--color-or);
}

.blog-hero__title {
    font-size: var(--text-4xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    line-height: var(--leading-tight);
}

@media (min-width: 768px) {
    .blog-hero__title {
        font-size: var(--text-5xl);
    }
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-or) 0%, var(--color-or-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.blog-hero__subtitle {
    font-size: var(--text-lg);
    color: var(--color-gris-300);
    max-width: 600px;
    margin-bottom: var(--space-8);
}

.blog-hero__stats {
    display: flex;
    gap: var(--space-8);
}

.blog-stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.blog-stat__number {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-or);
}

.blog-stat__label {
    font-size: var(--text-sm);
    color: var(--color-gris-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ==========================================================================
   CATEGORY FILTER
   ========================================================================== */

.blog-categories {
    background: var(--color-blanc);
    border-bottom: 1px solid var(--color-gris-200);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.category-filter {
    display: flex;
    gap: var(--space-2);
    padding: var(--space-4) 0;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.category-filter::-webkit-scrollbar {
    display: none;
}

.category-filter__item {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gris-600);
    background: var(--color-gris-100);
    border-radius: var(--radius-full);
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.category-filter__item:hover {
    background: var(--color-gris-200);
    color: var(--color-gris-900);
}

.category-filter__item.is-active {
    background: var(--color-rouge-normand);
    color: var(--color-blanc);
}

.category-filter__count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 var(--space-1);
    font-size: var(--text-xs);
    background: rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-full);
}

.category-filter__item.is-active .category-filter__count {
    background: rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   FEATURED ARTICLE
   ========================================================================== */

.blog-featured {
    padding: var(--space-12) 0;
    background: var(--color-gris-100);
}

.featured-card {
    display: grid;
    gap: var(--space-8);
    background: var(--color-blanc);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

@media (min-width: 1024px) {
    .featured-card {
        grid-template-columns: 1.2fr 1fr;
    }
}

.featured-card__image {
    position: relative;
    display: block;
    aspect-ratio: 16/10;
    overflow: hidden;
}

@media (min-width: 1024px) {
    .featured-card__image {
        aspect-ratio: auto;
        min-height: 400px;
    }
}

.featured-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.featured-card:hover .featured-card__img {
    transform: scale(1.05);
}

.featured-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.4) 100%);
}

.featured-card__badge {
    position: absolute;
    top: var(--space-4);
    left: var(--space-4);
}

.featured-card__content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-6);
}

@media (min-width: 1024px) {
    .featured-card__content {
        padding: var(--space-10);
    }
}

.featured-card__category {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--cat-color, var(--color-rouge-normand));
    background: color-mix(in srgb, var(--cat-color, var(--color-rouge-normand)) 15%, transparent);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
    width: fit-content;
}

.featured-card__title {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    line-height: var(--leading-tight);
}

@media (min-width: 768px) {
    .featured-card__title {
        font-size: var(--text-3xl);
    }
}

.featured-card__title a {
    color: inherit;
    transition: color var(--transition-fast);
}

.featured-card__title a:hover {
    color: var(--color-rouge-normand);
}

.featured-card__excerpt {
    font-size: var(--text-base);
    color: var(--color-gris-600);
    margin-bottom: var(--space-6);
    line-height: var(--leading-relaxed);
}

.featured-card__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.featured-card__author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.featured-card__avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.featured-card__author-name {
    font-weight: 600;
    color: var(--color-gris-900);
    display: block;
}

.featured-card__date {
    font-size: var(--text-sm);
    color: var(--color-gris-500);
}

.featured-card__reading {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-gris-500);
}

.featured-card__reading .icon {
    width: 16px;
    height: 16px;
}

.featured-card .btn {
    width: fit-content;
}

.featured-card .btn .icon {
    width: 18px;
    height: 18px;
    margin-left: var(--space-2);
    transition: transform var(--transition-fast);
}

.featured-card .btn:hover .icon {
    transform: translateX(4px);
}

/* ==========================================================================
   ARTICLES GRID
   ========================================================================== */

.blog-grid-section {
    padding: var(--space-12) 0 var(--space-16);
    background: var(--color-blanc);
}

.blog-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
}

@media (min-width: 640px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .blog-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Blog Card */
.blog-card {
    display: flex;
    flex-direction: column;
    background: var(--color-blanc);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.blog-card__image {
    position: relative;
    display: block;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.blog-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card__img {
    transform: scale(1.08);
}

.blog-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.3) 100%);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.blog-card:hover .blog-card__overlay {
    opacity: 1;
}

.blog-card__body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: var(--space-5);
}

.blog-card__category {
    display: inline-block;
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--cat-color, var(--color-rouge-normand));
    background: color-mix(in srgb, var(--cat-color, var(--color-rouge-normand)) 12%, transparent);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-3);
    width: fit-content;
    transition: all var(--transition-fast);
}

.blog-card__category:hover {
    background: var(--cat-color, var(--color-rouge-normand));
    color: var(--color-blanc);
}

.blog-card__title {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-3);
    line-height: var(--leading-snug);
}

.blog-card__title a {
    color: inherit;
    transition: color var(--transition-fast);
}

.blog-card__title a:hover {
    color: var(--color-rouge-normand);
}

.blog-card__excerpt {
    font-size: var(--text-sm);
    color: var(--color-gris-600);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-4);
    flex: 1;
}

.blog-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-gris-200);
    font-size: var(--text-sm);
    color: var(--color-gris-500);
}

.blog-card__reading {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.blog-card__reading .icon {
    width: 14px;
    height: 14px;
}

/* ==========================================================================
   PAGINATION
   ========================================================================== */

.blog-pagination {
    margin-top: var(--space-12);
    text-align: center;
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.pagination__numbers {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.pagination__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--space-3);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gris-700);
    background: var(--color-blanc);
    border: 1px solid var(--color-gris-300);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.pagination__link:hover {
    background: var(--color-gris-100);
    border-color: var(--color-gris-400);
    color: var(--color-gris-900);
}

.pagination__link--current {
    background: var(--color-rouge-normand);
    border-color: var(--color-rouge-normand);
    color: var(--color-blanc);
}

.pagination__link--prev,
.pagination__link--next {
    gap: var(--space-2);
    padding: 0 var(--space-4);
}

.pagination__link--prev:hover,
.pagination__link--next:hover {
    background: var(--color-rouge-normand);
    border-color: var(--color-rouge-normand);
    color: var(--color-blanc);
}

.pagination__link .icon {
    width: 16px;
    height: 16px;
}

.pagination__dots {
    padding: 0 var(--space-2);
    color: var(--color-gris-400);
}

.pagination__info {
    margin-top: var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-gris-500);
}

.pagination__total {
    color: var(--color-gris-400);
}

/* ==========================================================================
   EMPTY STATE
   ========================================================================== */

.blog-empty {
    text-align: center;
    padding: var(--space-16) var(--space-4);
}

.blog-empty__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-6);
    color: var(--color-gris-400);
}

.blog-empty__icon .icon {
    width: 100%;
    height: 100%;
}

.blog-empty__title {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
}

.blog-empty__text {
    font-size: var(--text-lg);
    color: var(--color-gris-600);
    margin-bottom: var(--space-8);
}

/* ==========================================================================
   NEWSLETTER SECTION
   ========================================================================== */

.blog-newsletter {
    padding: var(--space-16) 0;
}

.newsletter-box {
    display: grid;
    gap: var(--space-8);
    padding: var(--space-10);
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-2xl);
}

@media (min-width: 768px) {
    .newsletter-box {
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }
}

.newsletter-box__title {
    font-size: var(--text-2xl);
    color: var(--color-blanc);
    margin-bottom: var(--space-4);
}

.newsletter-box__text {
    color: var(--color-gris-300);
    margin-bottom: 0;
}

.newsletter-box__privacy {
    margin-top: var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-gris-500);
}

/* ==========================================================================
   CTA BOTTOM
   ========================================================================== */

.cta-bottom-section {
    padding: var(--space-16) 0;
}

.cta-bottom__title {
    font-size: var(--text-3xl);
    color: var(--color-blanc);
    margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
    .cta-bottom__title {
        font-size: var(--text-4xl);
    }
}

.cta-bottom__text {
    font-size: var(--text-lg);
    color: rgba(255,255,255,0.9);
    max-width: 600px;
    margin: 0 auto var(--space-8);
}

.cta-bottom__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    justify-content: center;
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */

@media (prefers-reduced-motion: no-preference) {
    .blog-card {
        animation: fadeInUp 0.5s ease backwards;
    }

    .blog-grid .blog-card:nth-child(1) { animation-delay: 0.1s; }
    .blog-grid .blog-card:nth-child(2) { animation-delay: 0.15s; }
    .blog-grid .blog-card:nth-child(3) { animation-delay: 0.2s; }
    .blog-grid .blog-card:nth-child(4) { animation-delay: 0.25s; }
    .blog-grid .blog-card:nth-child(5) { animation-delay: 0.3s; }
    .blog-grid .blog-card:nth-child(6) { animation-delay: 0.35s; }
    .blog-grid .blog-card:nth-child(7) { animation-delay: 0.4s; }
    .blog-grid .blog-card:nth-child(8) { animation-delay: 0.45s; }
    .blog-grid .blog-card:nth-child(9) { animation-delay: 0.5s; }
    .blog-grid .blog-card:nth-child(10) { animation-delay: 0.55s; }
    .blog-grid .blog-card:nth-child(11) { animation-delay: 0.6s; }
    .blog-grid .blog-card:nth-child(12) { animation-delay: 0.65s; }
}