/* ============================================
   Blog (/blog and /blog/<slug>)
   Uses the shared design tokens from base.css.
   Long-form reading page: the body column is capped well below the
   container width because line length, not screen width, drives legibility.
   ============================================ */

.blog-page {
    max-width: 1140px;
}

/* ----------------------------------------
   Index — hero
   ---------------------------------------- */

.blog-hero {
    text-align: center;
    margin-bottom: var(--pm-space-8);
}

.blog-hero h1 {
    color: var(--pm-dark);
    font-weight: 700;
    margin-bottom: var(--pm-space-4);
}

.blog-hero__lead {
    color: var(--pm-muted);
    font-size: 1.125rem;
    line-height: 1.7;
    max-width: 780px;
    margin: 0 auto;
}

/* ----------------------------------------
   Index — categories and cards
   ---------------------------------------- */

.blog-section {
    margin-bottom: var(--pm-space-8);
}

.blog-section__title {
    color: var(--pm-dark);
    font-size: 1.375rem;
    font-weight: 700;
    padding-bottom: var(--pm-space-3);
    margin-bottom: var(--pm-space-5);
    border-bottom: 1.5px solid var(--pm-border-light, #dee2e6);
}

.blog-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--pm-space-5);
}

.blog-card {
    background: var(--pm-surface-1, #fff);
    border: 1.5px solid var(--pm-border-light, #dee2e6);
    border-radius: var(--pm-radius-lg);
    padding: var(--pm-space-5);
    transition: border-color 150ms ease, transform 150ms ease;
}

.blog-card:hover {
    border-color: var(--pm-primary);
    transform: translateY(-2px);
}

.blog-card__title {
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.45;
    margin-bottom: var(--pm-space-3);
}

.blog-card__title a {
    color: var(--pm-dark);
    text-decoration: none;
}

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

.blog-card__description {
    color: var(--pm-muted);
    font-size: 0.9375rem;
    line-height: 1.65;
    margin-bottom: var(--pm-space-4);
}

.blog-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--pm-space-4);
    color: var(--pm-muted);
    font-size: 0.8125rem;
    margin: 0;
}

.blog-card__meta i {
    opacity: 0.7;
    margin-right: 0.25rem;
}

/* ----------------------------------------
   Article — breadcrumb and header
   ---------------------------------------- */

.blog-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--pm-space-2);
    max-width: 760px;
    margin: 0 auto var(--pm-space-5);
    color: var(--pm-muted);
    font-size: 0.8125rem;
}

.blog-breadcrumb a {
    color: var(--pm-muted);
    text-decoration: none;
}

.blog-breadcrumb a:hover {
    color: var(--pm-primary);
}

.blog-article {
    max-width: 760px;
    margin: 0 auto;
}

.blog-article__header {
    margin-bottom: var(--pm-space-6);
}

.blog-article__category {
    color: var(--pm-primary-dark);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: var(--pm-space-3);
}

.blog-article__header h1 {
    color: var(--pm-dark);
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: var(--pm-space-4);
}

.blog-article__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--pm-space-4);
    color: var(--pm-muted);
    font-size: 0.8125rem;
    margin: 0;
}

.blog-article__meta i {
    opacity: 0.7;
    margin-right: 0.25rem;
}

/* ----------------------------------------
   Article — table of contents
   ---------------------------------------- */

.blog-toc {
    background: var(--pm-surface-2, #f8f9fa);
    border-left: 3px solid var(--pm-primary);
    border-radius: var(--pm-radius-md, 8px);
    padding: var(--pm-space-5);
    margin-bottom: var(--pm-space-6);
}

.blog-toc__title {
    color: var(--pm-dark);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: var(--pm-space-3);
}

.blog-toc ol {
    margin: 0;
    padding-left: 1.25rem;
}

.blog-toc li {
    margin-bottom: var(--pm-space-2);
    font-size: 0.9375rem;
}

.blog-toc li:last-child {
    margin-bottom: 0;
}

.blog-toc a {
    color: var(--pm-primary-dark);
    text-decoration: none;
}

.blog-toc a:hover {
    text-decoration: underline;
}

/* ----------------------------------------
   Article — rendered Markdown body
   ---------------------------------------- */

.blog-article__body {
    color: var(--pm-dark);
    font-size: 1.0625rem;
    line-height: 1.75;
}

.blog-article__body h2 {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.3;
    margin: var(--pm-space-8) 0 var(--pm-space-4);
    scroll-margin-top: var(--pm-space-6);
}

.blog-article__body h3 {
    font-size: 1.1875rem;
    font-weight: 600;
    margin: var(--pm-space-6) 0 var(--pm-space-3);
}

.blog-article__body p {
    margin-bottom: var(--pm-space-4);
}

.blog-article__body ul,
.blog-article__body ol {
    margin-bottom: var(--pm-space-4);
    padding-left: 1.5rem;
}

.blog-article__body li {
    margin-bottom: var(--pm-space-2);
}

.blog-article__body a {
    color: var(--pm-primary-dark);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.blog-article__body strong {
    font-weight: 600;
}

.blog-article__body blockquote {
    border-left: 3px solid var(--pm-secondary, #FF9A76);
    background: var(--pm-surface-2, #f8f9fa);
    border-radius: 0 var(--pm-radius-md, 8px) var(--pm-radius-md, 8px) 0;
    padding: var(--pm-space-4) var(--pm-space-5);
    margin: var(--pm-space-5) 0;
    color: var(--pm-dark);
}

.blog-article__body blockquote p:last-child {
    margin-bottom: 0;
}

/* Wide tables must scroll inside their own box, never the page. */
.blog-article__body table {
    display: block;
    overflow-x: auto;
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
    margin: var(--pm-space-5) 0;
}

.blog-article__body th,
.blog-article__body td {
    border: 1px solid var(--pm-border-light, #dee2e6);
    padding: var(--pm-space-3);
    text-align: left;
    vertical-align: top;
}

.blog-article__body th {
    background: var(--pm-surface-2, #f8f9fa);
    font-weight: 600;
}

.blog-article__body hr {
    border: 0;
    border-top: 1px solid var(--pm-border-light, #dee2e6);
    margin: var(--pm-space-7) 0;
}

/* ----------------------------------------
   Article — sources, related, CTA
   ---------------------------------------- */

.blog-sources {
    border-top: 1.5px solid var(--pm-border-light, #dee2e6);
    margin-top: var(--pm-space-8);
    padding-top: var(--pm-space-5);
}

.blog-sources h2 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--pm-space-3);
}

.blog-sources__note {
    color: var(--pm-muted);
    font-size: 0.875rem;
    line-height: 1.65;
    margin-bottom: var(--pm-space-4);
}

.blog-sources ul {
    margin: 0;
    padding-left: 1.25rem;
}

.blog-sources li {
    font-size: 0.875rem;
    margin-bottom: var(--pm-space-2);
}

.blog-sources a {
    color: var(--pm-primary-dark);
}

.blog-related {
    max-width: 760px;
    margin: var(--pm-space-8) auto 0;
}

.blog-related h2 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--pm-space-4);
}

.blog-related ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.blog-related li {
    border-top: 1px solid var(--pm-border-light, #dee2e6);
    padding: var(--pm-space-4) 0;
}

.blog-related a {
    display: block;
    color: var(--pm-dark);
    font-weight: 600;
    text-decoration: none;
    margin-bottom: var(--pm-space-2);
}

.blog-related a:hover {
    color: var(--pm-primary-dark);
}

.blog-related span {
    color: var(--pm-muted);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.blog-cta {
    max-width: 760px;
    margin: var(--pm-space-8) auto 0;
    background: var(--pm-surface-2, #f8f9fa);
    border: 1.5px solid var(--pm-border-light, #dee2e6);
    border-radius: var(--pm-radius-lg);
    padding: var(--pm-space-6);
    text-align: center;
}

.blog-cta h2 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--pm-space-3);
}

.blog-cta p {
    color: var(--pm-muted);
    line-height: 1.7;
    max-width: 560px;
    margin: 0 auto var(--pm-space-5);
}

.blog-cta .pm-btn {
    margin: 0 var(--pm-space-2) var(--pm-space-2);
}

/* ----------------------------------------
   Responsive
   ---------------------------------------- */

@media (max-width: 576px) {
    .blog-list {
        grid-template-columns: 1fr;
    }

    .blog-article__body {
        font-size: 1rem;
    }

    .blog-article__body h2 {
        font-size: 1.3125rem;
    }
}