/* ===================================
   BLOG
   Loaded after styles.css: reuses its tokens, header, buttons and footer.
   =================================== */

/* Header links back to the landing page */
.main-nav a.active {
    color: var(--color-accent);
}

/* ===================================
   BLOG HERO (index + article)
   =================================== */
.blog-hero {
    background:
        radial-gradient(ellipse at 85% 0%, rgba(14, 138, 126, 0.25) 0%, transparent 55%),
        linear-gradient(160deg, var(--color-navy) 0%, var(--color-navy-deep) 100%);
    color: var(--color-on-dark);
    padding: var(--spacing-2xl) 0;
}

.blog-hero .eyebrow {
    color: #5FD3C4;
}

.blog-hero h1 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(2rem, 4.4vw, 3.25rem);
    letter-spacing: -0.02em;
    line-height: 1.12;
    color: #fff;
    max-width: 860px;
}

.blog-hero-lead {
    margin-top: var(--spacing-md);
    font-size: 1.1875rem;
    color: var(--color-on-dark-muted);
    max-width: 680px;
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-on-dark-muted);
    margin-bottom: var(--spacing-lg);
}

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

.breadcrumb a:hover {
    color: #fff;
}

.post-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 1.25rem;
    margin-top: var(--spacing-lg);
    font-size: 0.9375rem;
    color: var(--color-on-dark-muted);
}

.post-author {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    color: #fff;
    font-weight: 600;
}

.post-author img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
}

/* ===================================
   BLOG INDEX
   =================================== */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

/* ===================================
   ARTICLE BODY
   =================================== */
.article {
    padding: var(--spacing-2xl) 0 var(--spacing-3xl);
}

.prose {
    max-width: 720px;
    margin: 0 auto;
    font-size: 1.125rem;
    line-height: 1.75;
}

.prose > * + * {
    margin-top: 1.25em;
}

.prose h2 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 1.875rem;
    line-height: 1.25;
    margin-top: 2.25em;
}

.prose h3 {
    font-size: 1.25rem;
    margin-top: 1.75em;
}

.prose h2 + *,
.prose h3 + * {
    margin-top: 0.75em;
}

.prose a {
    color: var(--color-accent);
    text-underline-offset: 3px;
}

.prose strong {
    color: var(--color-ink);
}

.prose ul,
.prose ol {
    padding-left: 1.4em;
}

.prose li + li {
    margin-top: 0.5em;
}

.prose li::marker {
    color: var(--color-accent);
}

.prose .intro {
    font-size: 1.25rem;
    color: var(--color-ink);
}

/* Callout */
.callout {
    padding: var(--spacing-md) var(--spacing-lg);
    border-left: 4px solid var(--color-accent);
    background: var(--color-accent-soft);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-size: 1.0625rem;
}

.callout-title {
    font-weight: 700;
    color: var(--color-ink);
    margin-bottom: 0.25rem;
}

/* Table */
.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    background: var(--color-surface);
}

.prose table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
    line-height: 1.5;
}

.prose th,
.prose td {
    text-align: left;
    vertical-align: top;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-line);
}

.prose thead th {
    background: var(--color-navy);
    color: #fff;
    font-weight: 600;
}

.prose tbody tr:last-child td {
    border-bottom: none;
}

.prose tbody th {
    font-weight: 600;
    color: var(--color-ink);
}

/* Analogy cards (principles) */
.principles {
    display: grid;
    gap: var(--spacing-sm);
}

.principle {
    padding: var(--spacing-md);
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
}

.principle h3 {
    margin-top: 0;
    font-size: 1.125rem;
}

.principle p {
    margin-top: 0.5rem;
    font-size: 1.0625rem;
    color: var(--color-text);
}

.principle .analogy {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px dashed var(--color-line);
    color: var(--color-muted);
    font-size: 1rem;
}

.principle .analogy strong {
    color: var(--color-accent);
}

/* End-of-article CTA */
.article-cta {
    max-width: 720px;
    margin: var(--spacing-2xl) auto 0;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    background:
        radial-gradient(ellipse at 10% 100%, rgba(14, 138, 126, 0.3) 0%, transparent 55%),
        var(--color-navy-deep);
    color: var(--color-on-dark);
}

.article-cta h2 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 1.625rem;
    color: #fff;
}

.article-cta p {
    margin: var(--spacing-sm) 0 var(--spacing-md);
    color: var(--color-on-dark-muted);
}

/* Related post */
.related {
    max-width: 720px;
    margin: var(--spacing-xl) auto 0;
}

.related-label {
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: var(--spacing-sm);
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 880px) {
    .posts-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .prose {
        font-size: 1.0625rem;
    }

    .prose h2 {
        font-size: 1.5rem;
    }

    .article-cta {
        padding: var(--spacing-lg);
    }

}