/* ============================================
   STONEPATH BLOG — long-form reading layer
   Extends styles.css; uses the existing tokens.
   ============================================ */

.blog-main {
    padding: 8rem 0 5rem;
    min-height: 100vh;
}

/* ---- Blog index ---------------------------------------------------- */

.blog-index-header {
    max-width: 800px;
    margin: 0 auto 4rem;
    text-align: left;
}

.blog-index-tagline {
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1.6;
    max-width: 640px;
    margin-top: 1rem;
}

.post-list {
    list-style: none;
    padding: 0;
    margin: 0 auto;
    max-width: 800px;
    display: grid;
    gap: 1.5rem;
}

.post-card {
    padding: 0;
    border-radius: 12px;
    overflow: hidden;
}

.post-card-link {
    display: block;
    padding: 2rem 2rem 1.75rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

.post-card-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 0.04em;
    margin-bottom: 0.75rem;
}

.post-card-meta::before {
    content: "";
    width: 24px;
    height: 1px;
    background: var(--primary-dim);
    opacity: 0.5;
}

.post-card-title {
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.3;
    margin: 0 0 0.85rem;
    color: var(--text-primary);
}

.post-card-excerpt {
    color: var(--text-muted);
    line-height: 1.65;
    margin: 0 0 1.25rem;
    font-size: 0.98rem;
}

.post-card-cta {
    color: var(--primary-light);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    display: inline-block;
    transition: transform 0.2s ease;
}

.post-card-link:hover .post-card-cta {
    transform: translateX(4px);
}

/* ---- Individual post --------------------------------------------- */

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

.post-header {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-glass);
}

.post-title {
    font-size: clamp(1.85rem, 4vw, 2.65rem);
    font-weight: 600;
    line-height: 1.2;
    margin: 0.75rem 0 1rem;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.post-meta {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
}

.post-meta-sep {
    opacity: 0.6;
}

/* ---- Post body — typography optimized for long form -------------- */

.post-body {
    font-size: 1.075rem;
    line-height: 1.75;
    color: var(--text-primary);
}

.post-body > p {
    margin: 0 0 1.4rem;
}

.post-body h2 {
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.3;
    margin: 3.25rem 0 1.25rem;
    color: var(--text-primary);
    letter-spacing: -0.005em;
}

.post-body h2:first-of-type {
    margin-top: 0;
}

.post-body h3 {
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.3;
    margin: 2.5rem 0 1rem;
    color: var(--text-primary);
}

.post-body ul,
.post-body ol {
    padding-left: 1.5rem;
    margin: 0 0 1.5rem;
}

.post-body li {
    margin-bottom: 0.7rem;
    line-height: 1.7;
}

.post-body li::marker {
    color: var(--primary-dim);
}

.post-body strong {
    color: var(--text-primary);
    font-weight: 600;
}

.post-body em {
    color: var(--text-primary);
    font-style: italic;
}

.post-body a {
    color: var(--primary-light);
    text-decoration: none;
    border-bottom: 1px solid rgba(129, 151, 255, 0.3);
    transition: border-color 0.2s ease, color 0.2s ease;
}

.post-body a:hover {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* Inline code — soft glass chip */
.post-body code {
    font-family: 'SF Mono', 'Monaco', 'Cascadia Code', 'Consolas', monospace;
    font-size: 0.9em;
    padding: 0.12em 0.42em;
    background: rgba(102, 126, 234, 0.1);
    border: 1px solid rgba(102, 126, 234, 0.15);
    border-radius: 4px;
    color: var(--primary-light);
    white-space: nowrap;
}

.post-body blockquote {
    margin: 2rem 0;
    padding: 1.25rem 1.5rem;
    border-left: 3px solid var(--primary-dim);
    background: rgba(102, 126, 234, 0.04);
    color: var(--text-muted);
    font-style: italic;
    border-radius: 0 8px 8px 0;
}

/* ---- Screenshot placeholders ------------------------------------- */

.post-figure {
    margin: 2.5rem 0;
}

.post-figure-placeholder {
    border: 1px dashed rgba(102, 126, 234, 0.3);
    border-radius: 12px;
    background: rgba(102, 126, 234, 0.025);
    padding: 1px;
}

.post-figure-placeholder-inner {
    padding: 1.5rem 1.75rem;
}

.post-figure-placeholder-label {
    display: inline-block;
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--primary-light);
    font-weight: 600;
    margin-bottom: 0.65rem;
}

.post-figure-placeholder-inner p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

.post-figure-placeholder-inner code {
    font-size: 0.85em;
    color: var(--primary-light);
}

/* When real images replace the placeholders, use the .post-figure-image variant:
   <figure class="post-figure post-figure-image">
     <img src="..." alt="..." />
     <figcaption>...</figcaption>
   </figure>
*/
.post-figure-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    border: 1px solid var(--border-glass);
    display: block;
}

.post-figure-image figcaption {
    margin-top: 0.85rem;
    font-size: 0.88rem;
    color: var(--text-muted);
    text-align: center;
    font-style: italic;
}

/* ---- Post footer ------------------------------------------------- */

.post-footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-glass);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.post-footer-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

.post-footer-back {
    color: var(--primary-light);
    font-size: 0.9rem;
    text-decoration: none;
    border-bottom: 1px solid rgba(129, 151, 255, 0.3);
    transition: var(--transition);
}

.post-footer-back:hover {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* ---- Site footer (reused from main) ------------------------------ */

.site-footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-glass);
    padding: 3rem 0 2rem;
    margin-top: 4rem;
}

.footer-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.footer-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.footer-tagline {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
    justify-content: flex-end;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--primary-light);
}

.footer-copy {
    grid-column: 1 / -1;
    text-align: center;
    font-size: 0.78rem;
    color: var(--text-dim);
    margin: 1.75rem 0 0;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-glass);
}

/* ---- Active state on nav writing link ---------------------------- */

.nav-link.active {
    color: var(--primary-light);
}

/* ---- Mobile ------------------------------------------------------ */

@media (max-width: 768px) {
    .blog-main {
        padding: 6rem 0 3rem;
    }

    .post-body {
        font-size: 1.02rem;
    }

    .post-body h2 {
        font-size: 1.3rem;
        margin: 2.5rem 0 1rem;
    }

    .post-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .footer-links {
        justify-content: flex-start;
    }
}