/* ============================================
   BLOG IA - Grille et cards
   ============================================ */

.blog-ia-main {
    background: var(--color-background-alt);
    padding-top: 4.5rem;
    padding-bottom: 5rem;
}

.blog-ia-container {
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 2rem;
    padding-right: 2rem;
}

@media (max-width: 640px) {
    .blog-ia-container {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }
}

.blog-ia-main .page-header {
    margin-bottom: 3rem;
    text-align: center;
}

.blog-ia-main .page-title {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-dark);
    letter-spacing: -0.02em;
}

/* ---- Hero row : 1 featured + 2 stacked ---- */
.blog-grid-hero {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    /*grid-template-rows: repeat(2, 1fr);*/
    grid-auto-flow: column;
    gap: 1.5rem;
    margin-bottom: 4rem;
    align-items: stretch;
}

.blog-grid-hero .card {
    height: 100%;
}

@media (max-width: 1024px) {
    .blog-grid-hero {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        grid-auto-flow: row;
    }
}

/* ---- 4 columns grid for remaining posts ---- */
.blog-grid-columns {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 4rem;
}

@media (max-width: 1024px) {
    .blog-grid-columns {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .blog-grid-columns {
        grid-template-columns: 1fr;
    }
}

/* ---- Cards ---- */
.card {
    background: #fff;
    border-radius: var(--radius-xl, 16px);
    overflow: hidden;
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 24px rgba(0,0,0,0.04);
    width: 100%;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.10);
}

.card__image-wrap {
    display: block;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    position: relative;
}

.card__image-wrap--featured {
    aspect-ratio: 16 / 10;
}

.card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.card:hover .card__image {
    transform: scale(1.05);
}

.card__image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.55) 100%);
    pointer-events: none;
}

.card__body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
}

.card--featured {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 420px;
}

.card--featured .card__image-wrap,
.card--featured .card__image-wrap--featured {
    position: relative;
    height: 420px;
    aspect-ratio: auto;
}

.card--featured .card__body--featured {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.72) 100%);
    color: #fff;
    padding: 2rem;
    z-index: 2;
}

.card--featured .card__title--featured a {
    color: #fff;
    font-size: 1.75rem;
    line-height: 1.2;
}

.card--featured .card__meta {
    color: rgba(255,255,255,0.85);
}

.card--featured .card__cat {
    background: var(--color-primary);
    color: var(--color-dark);
}

.card--featured .card__cta {
    color: #fff;
    border-color: rgba(255,255,255,0.4);
}

.card--featured .card__cta:hover {
    background: #fff;
    color: var(--color-dark);
    border-color: #fff;
}

.card__cat {
    display: inline-block;
    background: var(--color-background-warm);
    color: var(--color-primary-dark);
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 5px 12px;
    border-radius: 999px;
    margin-bottom: 0.75rem;
    align-self: flex-start;
}

.card__title {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-dark);
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.card__title a {
    color: var(--color-dark);
    text-decoration: none;
    transition: color 0.2s ease;
}

.card__title a:hover {
    color: var(--color-primary-dark);
}

.card__meta {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    margin-bottom: 1.25rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.25rem 0;
}

.card__meta-sep {
    margin: 0 0.4rem;
    opacity: 0.5;
}

.card__cta {
    display: inline-flex;
    align-items: center;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    text-decoration: none;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius, 8px);
    transition: all 0.2s ease;
    align-self: flex-start;
    margin-top: auto;
}

.card__cta:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-dark);
}

/* ---- Empty state ---- */
.blog-ia-empty {
    text-align: center;
    padding: 5rem 1rem;
    color: var(--color-text-light);
    font-size: 1.125rem;
}

/* ---- Pagination ---- */
.blog-pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.blog-pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
    padding: 0 1rem;
    border-radius: var(--radius, 8px);
    border: 1px solid var(--color-border);
    background: #fff;
    color: var(--color-text);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
}

.blog-pagination .page-numbers.current {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-dark);
}

.blog-pagination .page-numbers:hover:not(.current) {
    background: var(--color-background-warm);
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
}

/* ============================================
   SCROLL INFINI — Loader
   ============================================ */
.blog-infinite-loader {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 2rem 1rem;
    color: var(--color-text-light);
    font-size: 0.9375rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.blog-infinite-loader.is-loading {
    opacity: 1;
    pointer-events: auto;
}

.blog-loader-spinner {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: blog-loader-spin 0.8s linear infinite;
}

@keyframes blog-loader-spin {
    to { transform: rotate(360deg); }
}

.blog-infinite-end {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--color-text-light);
    font-size: 0.9375rem;
    opacity: 0.7;
}