/* ─────────────────────────────────────────────────────────
   Blog — archive, category, single post
   ───────────────────────────────────────────────────────── */

/* ── Archive layout ──────────────────────────────────────── */
.blog-archive {
    padding: var(--spacing-xl) 0 var(--spacing-2xl);
}

.blog-header {
    margin-bottom: var(--spacing-xl);
}
.blog-header__title {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 800;
    line-height: 1.15;
}
.blog-header__desc {
    margin-top: var(--spacing-sm);
    color: var(--color-text-muted);
    font-size: 1.05rem;
    max-width: 56ch;
}

/* ── Post grid ───────────────────────────────────────────── */
.post-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}
.post-grid--3 {
    grid-template-columns: repeat(3, 1fr);
}

/* ── Post card ───────────────────────────────────────────── */
.post-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.22s ease, transform 0.22s ease;
}
.post-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.post-card__image-wrap {
    display: block;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    background: var(--color-border);
}
.post-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.38s ease;
    display: block;
}
.post-card:hover .post-card__image {
    transform: scale(1.05);
}

.post-card__body {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.post-card__category {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary);
    text-decoration: none;
    align-self: flex-start;
}
.post-card__category:hover {
    text-decoration: underline;
}

.post-card__title {
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.3;
    margin: 0;
}
.post-card__title a {
    color: var(--color-heading);
    text-decoration: none;
}
.post-card__title a:hover {
    color: var(--color-primary);
}

.post-card__excerpt {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    flex: 1;
}

.post-card__footer {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.78rem;
    color: var(--color-text-muted);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
    margin-top: auto;
}
.post-card__read-time::before {
    content: '·';
    margin-right: var(--spacing-xs);
}

/* ── Blog pagination ─────────────────────────────────────── */
.blog-pagination {
    margin-top: var(--spacing-xl);
}
.blog-empty {
    text-align: center;
    color: var(--color-text-muted);
    padding: var(--spacing-2xl) 0;
    font-size: 1.05rem;
}

/* ─────────────────────────────────────────────────────────
   Single post
   ───────────────────────────────────────────────────────── */
.single-post {
    padding-bottom: var(--spacing-2xl);
}

/* ── Hero image ──────────────────────────────────────────── */
.post-hero {
    width: 100%;
    max-height: 540px;
    overflow: hidden;
    background: var(--color-border);
}
.post-hero__image {
    display: block;
    width: 100%;
    height: 540px;
    object-fit: cover;
    object-position: center;
}

/* ── Article wrapper ─────────────────────────────────────── */
.post-article {
    max-width: 740px;
    margin: 0 auto;
    padding-top: var(--spacing-xl);
}

/* ── Header ──────────────────────────────────────────────── */
.post-article__header {
    margin-bottom: var(--spacing-lg);
}
.post-article__category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: var(--color-primary);
    text-decoration: none;
    margin-bottom: var(--spacing-sm);
}
.post-article__category:hover {
    text-decoration: underline;
}
.post-article__title {
    font-size: clamp(1.7rem, 4vw, 2.5rem);
    font-weight: 800;
    line-height: 1.18;
    margin: 0 0 var(--spacing-md);
}

/* ── Post meta ───────────────────────────────────────────── */
.post-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-text-muted);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-border);
}
.post-meta__author {
    display: flex;
    align-items: center;
    gap: 10px;
}
.post-meta__avatar {
    border-radius: 50%;
    flex-shrink: 0;
}
.post-meta__author-name {
    font-weight: 600;
    color: var(--color-text);
}
.post-meta__author-link {
    color: inherit;
    text-decoration: none;
}
.post-meta__author-link:hover {
    color: var(--color-primary);
}
.post-meta__date {
    color: var(--color-text-muted);
}
.post-meta__read-time {
    color: var(--color-text-muted);
}
.post-meta__read-time::before,
.post-meta__date::before {
    content: '·';
    margin-right: 6px;
}
.post-meta__author + .post-meta__date::before,
.post-meta__author + .post-meta__read-time::before {
    content: '·';
}

/* ── Article content ─────────────────────────────────────── */
.post-content {
    font-size: 1.05rem;
    line-height: 1.78;
    color: var(--color-text);
    padding-top: var(--spacing-lg);
}
.post-content > * + * {
    margin-top: 1.25em;
}
.post-content h2 {
    font-size: 1.55rem;
    font-weight: 800;
    line-height: 1.25;
    margin-top: 2.2em;
    margin-bottom: 0.5em;
}
.post-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-top: 1.8em;
    margin-bottom: 0.4em;
}
.post-content p {
    margin-bottom: 0;
}
.post-content ul,
.post-content ol {
    padding-left: 1.6em;
}
.post-content li + li {
    margin-top: 0.35em;
}
.post-content blockquote {
    border-left: 4px solid var(--color-primary);
    margin: 1.6em 0;
    padding: 0.9em 1.3em;
    background: var(--color-surface);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
    color: var(--color-text-muted);
}
.post-content blockquote p {
    margin: 0;
}
.post-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    display: block;
}
.post-content a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.post-content code {
    background: var(--color-surface);
    padding: 0.15em 0.45em;
    border-radius: 4px;
    font-size: 0.88em;
    border: 1px solid var(--color-border);
}
.post-content pre {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    overflow-x: auto;
}
.post-content pre code {
    background: none;
    border: none;
    padding: 0;
    font-size: 0.9em;
}
.post-content hr {
    border: none;
    border-top: 2px solid var(--color-border);
    margin: 2em 0;
}

/* ── Post footer / tags ──────────────────────────────────── */
.post-article__footer {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}
.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.post-tag {
    display: inline-block;
    padding: 5px 14px;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.post-tag:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: color-mix(in srgb, var(--color-primary) 8%, transparent);
}

/* ── Related posts ───────────────────────────────────────── */
.related-posts {
    max-width: 100%;
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--color-border);
}
.related-posts__title {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1100px) {
    .post-grid,
    .post-grid--3 {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .post-hero__image {
        height: 340px;
    }
    .post-hero {
        max-height: 340px;
    }
    .post-article {
        padding-top: var(--spacing-lg);
    }
    .post-meta {
        gap: var(--spacing-sm);
    }
    .post-meta__date::before,
    .post-meta__read-time::before {
        display: none;
    }
}
@media (max-width: 640px) {
    .post-grid,
    .post-grid--3 {
        grid-template-columns: 1fr;
    }
    .post-hero__image {
        height: 240px;
    }
    .post-hero {
        max-height: 240px;
    }
    .post-content {
        font-size: 1rem;
    }
}