/* ==========================================================================
   CSS DÉDIÉ À LA PAGE BLOG (blog.html)
   En-tête de page : voir .page-hero dans css/style.css (mutualisé).
   S'utilise en complément de css/style.css (styles globaux du site).
   ========================================================================== */

/* ==========================================================================
   FILTRES PAR CATÉGORIE
   ========================================================================== */
.blog-filter-section {
    padding: 0 8% 50px;
    background-color: var(--trois);
    transition: var(--transition);
}

.blog-filters {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.blog-filter-btn {
    border: 1px solid rgba(35, 75, 94, 0.15);
    background: transparent;
    color: var(--un);
    padding: 10px 20px;
    font-family: inherit;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.blog-filter-btn:hover {
    border-color: var(--quatre);
    color: var(--quatre);
}

.blog-filter-btn.is-active {
    background-color: var(--un);
    color: var(--trois);
    border-color: var(--un);
}

@media (max-width: 576px) {
    .blog-filter-section {
        padding: 0 6% 40px;
    }

    .blog-filters {
        gap: 8px;
    }

    .blog-filter-btn {
        padding: 8px 14px;
        font-size: 0.68rem;
    }
}

/* ==========================================================================
   GRILLE D'ARTICLES
   ========================================================================== */
.blog-grid-section {
    padding: 0 8% 120px;
    background-color: var(--trois);
    transition: var(--transition);
}

.blog-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.blog-card {
    background-color: var(--cinq);
    border: 1px solid rgba(35, 75, 94, 0.06);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.blog-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 30px rgba(0, 0, 0, 0.07);
    border-color: rgba(157, 145, 113, 0.3);
}

.blog-card.is-hidden {
    display: none;
}

.blog-card-cover {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background-image:
        linear-gradient(135deg, var(--un), var(--deux)),
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: cover, 24px 24px, 24px 24px;
}

.blog-card-cover-icon {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.6rem;
    color: rgba(255, 255, 255, 0.3);
}

.blog-card-tag {
    position: absolute;
    bottom: 14px;
    left: 14px;
    background-color: var(--quatre);
    color: var(--un);
    font-size: 0.62rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    font-weight: 700;
    padding: 6px 12px;
}

.blog-card-body {
    padding: 26px 26px 28px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex-grow: 1;
}

.blog-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    font-size: 0.7rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--un);
    opacity: 0.55;
    font-weight: 600;
}

.blog-card-meta i {
    color: var(--quatre);
    margin-right: 4px;
}

.blog-card-body h3 {
    font-size: 1.02rem;
    line-height: 1.4;
    color: var(--un);
    font-weight: 600;
}

.blog-card-body p {
    font-size: 0.85rem;
    line-height: 1.6;
    opacity: 0.7;
    font-weight: 300;
    flex-grow: 1;
}

.blog-card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--un);
    margin-top: 6px;
    width: fit-content;
}

.blog-card-link i {
    transition: transform 0.3s ease;
}

.blog-card:hover .blog-card-link {
    color: var(--quatre);
}

.blog-card:hover .blog-card-link i {
    transform: translateX(4px);
}

.blog-empty-state {
    max-width: 1400px;
    margin: 40px auto 0;
    text-align: center;
    font-size: 0.9rem;
    font-weight: 300;
    opacity: 0.6;
    color: var(--un);
}

@media (max-width: 992px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .blog-grid-section {
        padding: 0 6% 80px;
    }

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