/* ============================================================
   KABEX — Blog Section (.blog-section)
   3 karty wpisów + header z CTA. Spójna z reszta strony (sharp + brand).
   ============================================================ */

.blog-section {
    padding: var(--sp-12) 0;
    background: var(--color-bg);
}

/* ── Header ──────────────────────────────────────────────── */
.blog-section__header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--sp-6);
    margin-bottom: var(--sp-6);
    padding-bottom: var(--sp-4);
    border-bottom: 2px solid var(--color-border);
}

.blog-section__header-text {
    flex: 1 1 auto;
    min-width: 0;
}

.blog-section__kicker {
    display: inline-block;
    margin-bottom: var(--sp-2);
    font-family: var(--font-sans);
    font-size: var(--fs-xs);
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-primary);
}

.blog-section__title {
    margin: 0;
    font-family: var(--font-display);
    font-size: clamp(var(--fs-2xl), 4vw, var(--fs-4xl));
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.01em;
    text-transform: uppercase;
    color: var(--color-dark);
}

.blog-section__lead {
    margin: var(--sp-3) 0 0;
    font-size: var(--fs-md);
    color: var(--color-text-muted);
    max-width: 60ch;
    line-height: 1.5;
}

.blog-section__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    flex-shrink: 0;
    font-family: var(--font-sans);
    font-size: var(--fs-sm);
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-primary);
    text-decoration: none;
    transition: gap var(--t-fast), color var(--t-fast);
}

.blog-section__cta:hover {
    gap: var(--sp-3);
    color: var(--color-primary-dark);
}

/* ── Grid 3 kart ─────────────────────────────────────────── */
.blog-section__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-5);
}

/* ── Card ────────────────────────────────────────────────── */
.blog-section__card {
    display: flex;
    flex-direction: column;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: border-color var(--t-base), box-shadow var(--t-base), transform var(--t-base);
}

.blog-section__card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.blog-section__card:hover .blog-section__card-img {
    transform: scale(1.05);
}

.blog-section__card:hover .blog-section__card-read {
    gap: var(--sp-3);
}

/* Card media */
.blog-section__card-media-link {
    display: block;
    text-decoration: none;
    overflow: hidden;
}

.blog-section__card-media {
    position: relative;
    aspect-ratio: 16 / 10;
    background: var(--color-bg-alt);
    overflow: hidden;
}

.blog-section__card-img,
.blog-section__card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--t-slow);
}

.blog-section__card-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--sp-2);
    color: var(--color-text-light);
    font-family: var(--font-sans);
    font-size: var(--fs-xs);
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, #E8EDF4 100%);
}

/* Category badge na zdjęciu */
.blog-section__card-cat {
    position: absolute;
    top: var(--sp-3);
    left: var(--sp-3);
    padding: 5px 10px;
    background: var(--color-primary);
    color: #fff;
    font-family: var(--font-sans);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    z-index: 2;
}

/* Card body */
.blog-section__card-body {
    padding: var(--sp-5);
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
    flex: 1 1 auto;
}

.blog-section__card-meta {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.blog-section__card-meta-sep {
    opacity: 0.5;
}

.blog-section__card-title {
    margin: 0;
    font-family: var(--font-sans);
    font-size: var(--fs-lg);
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-dark);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-section__card-title a {
    color: inherit;
    text-decoration: none;
    transition: color var(--t-fast);
}

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

.blog-section__card-excerpt {
    margin: 0;
    font-size: var(--fs-sm);
    line-height: 1.5;
    color: var(--color-text-muted);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-section__card-read {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    margin-top: auto;
    padding-top: var(--sp-3);
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-primary);
    text-decoration: none;
    transition: gap var(--t-fast);
    align-self: flex-start;
}

/* ── Demo card (gdy brak wpisów) ─────────────────────────── */
.blog-section__card--demo {
    opacity: 0.92;
    pointer-events: none;
}

.blog-section__card--demo .blog-section__card-title span {
    display: inline-block;
}

/* ── Demo note pod gridem ────────────────────────────────── */
.blog-section__demo-note {
    margin-top: var(--sp-6);
    padding: var(--sp-3) var(--sp-4);
    background: var(--color-accent-tint);
    border: 1px solid var(--color-accent-dark);
    color: var(--color-dark);
    font-size: var(--fs-sm);
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
}

.blog-section__demo-note strong {
    color: var(--color-primary);
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
    .blog-section__grid {
        grid-template-columns: 1fr 1fr;
    }

    .blog-section__grid > .blog-section__card:nth-child(3) {
        grid-column: 1 / -1;
        max-width: 100%;
    }

    .blog-section__grid > .blog-section__card:nth-child(3) .blog-section__card-media {
        aspect-ratio: 21 / 9;
    }
}

@media (max-width: 768px) {
    .blog-section__header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--sp-4);
    }
}

@media (max-width: 640px) {
    .blog-section {
        padding: var(--sp-10) 0;
    }

    .blog-section__grid {
        grid-template-columns: 1fr;
        gap: var(--sp-4);
    }

    .blog-section__grid > .blog-section__card:nth-child(3) .blog-section__card-media {
        aspect-ratio: 16 / 10;
    }

    .blog-section__card-body {
        padding: var(--sp-4);
    }

    .blog-section__card-title {
        font-size: var(--fs-base);
        -webkit-line-clamp: 2;
    }
}