/* =============================================================================
   SYNTROPY — BLOG STYLES (archive + single post)
   ============================================================================= */

/* --- Blog Grid (archive) ---------------------------------------------------- */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--sp-6);
}

.blog-card {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: var(--color-text);
    padding: 0;
    overflow: hidden;
}

.blog-card-thumb {
    overflow: hidden;
}

.blog-card-thumb img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.blog-card:hover .blog-card-thumb img {
    transform: scale(1.04);
}

.blog-card-body {
    padding: var(--sp-5) var(--sp-6) var(--sp-6);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    margin-bottom: var(--sp-3);
    flex-wrap: wrap;
}

.blog-cat {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-secondary);
}

.blog-date {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.blog-date::before {
    content: '·';
    margin-right: var(--sp-3);
    color: var(--color-border);
}

.blog-card-title {
    font-size: 1.1875rem;
    line-height: 1.3;
    margin-bottom: var(--sp-3);
    transition: color var(--transition);
}
.blog-card:hover .blog-card-title { color: var(--color-secondary); }

.blog-card-excerpt {
    font-size: 0.9rem;
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: var(--sp-4);
}

.blog-card-link {
    margin-top: auto;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    transition: color var(--transition);
}
.blog-card:hover .blog-card-link { color: var(--color-secondary); }

/* Pagination — shared with case study, defined in case-study.css */

/* --- Single Post ------------------------------------------------------------ */
.single-post { padding-bottom: 0; }

/* Post header */
.post-header {
    padding-top: 7rem;
    padding-bottom: var(--sp-12);
    background: radial-gradient(ellipse 70% 50% at 50% 0%, rgba(232,24,93,0.12) 0%, transparent 60%);
}

.post-back {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: var(--sp-5);
    transition: color var(--transition);
}
.post-back:hover { color: var(--color-text); }

.post-meta {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    margin-bottom: var(--sp-5);
    flex-wrap: wrap;
}

.post-category {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-secondary);
    transition: color var(--transition);
}
.post-category:hover { color: var(--color-text); }

.post-meta time {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.post-title {
    font-size: clamp(2rem, 5vw, 3.25rem);
    max-width: 800px;
    margin-bottom: var(--sp-5);
    line-height: 1.1;
}

.post-excerpt {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 680px;
    line-height: 1.7;
}

/* Featured image */
.post-featured-image {
    margin-bottom: var(--sp-12);
}

.post-featured-image img {
    width: 100%;
    max-height: 480px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border-dark);
}

/* Post layout */
.post-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: var(--sp-16);
    align-items: start;
}

/* Article body */
.post-content {
    font-size: 1.0625rem;
    line-height: 1.85;
    color: var(--color-text-muted);
    max-width: 720px;
}

.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4,
.post-content h5 {
    color: var(--color-text);
    margin-top: var(--sp-10);
    margin-bottom: var(--sp-4);
}

.post-content p { margin-bottom: var(--sp-5); }

.post-content a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color var(--transition);
}
.post-content a:hover { color: var(--color-secondary); }

.post-content ul,
.post-content ol {
    list-style: revert;
    padding-left: var(--sp-6);
    margin-bottom: var(--sp-5);
}

.post-content li { margin-bottom: var(--sp-2); }

.post-content blockquote {
    background: var(--color-bg-2);
    border-left: 3px solid var(--color-primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    padding: var(--sp-5) var(--sp-8);
    margin: var(--sp-8) 0;
    font-style: italic;
    color: var(--color-text);
}

.post-content img {
    border-radius: var(--radius-lg);
    margin: var(--sp-8) 0;
    border: 1px solid var(--color-border-dark);
}

.post-content pre {
    background: var(--color-bg-2);
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-lg);
    padding: var(--sp-6);
    overflow-x: auto;
    font-size: 0.875rem;
    margin: var(--sp-8) 0;
}

.post-content code {
    background: var(--color-bg-3);
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-sm);
    padding: 0.15em 0.45em;
    font-size: 0.875em;
    color: var(--color-secondary);
}

.post-content pre code {
    background: none;
    border: none;
    padding: 0;
    font-size: 1em;
    color: var(--color-text-muted);
}

.post-content hr {
    border: none;
    border-top: 1px solid var(--color-border-dark);
    margin: var(--sp-10) 0;
}

/* Sidebar */
.post-sidebar {
    position: sticky;
    top: 100px;
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
}

.post-sidebar-block {
    background: var(--color-bg-2);
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-xl);
    padding: var(--sp-5) var(--sp-5);
}

.post-sidebar-block h5 {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: var(--sp-3);
}

.post-sidebar-cat {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-secondary);
    transition: color var(--transition);
}
.post-sidebar-cat:hover { color: var(--color-text); }

.post-sidebar-block p {
    font-size: 0.875rem;
    line-height: 1.6;
}

.post-sidebar-block time { font-size: 0.9rem; color: var(--color-text-muted); }

.post-sidebar-cta h5 {
    font-size: 0.9375rem;
    font-weight: 700;
    text-transform: none;
    letter-spacing: 0;
    color: var(--color-text);
}

@media (max-width: 900px) {
    .post-layout { grid-template-columns: 1fr; }
    .post-sidebar { position: static; }
}

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