/* ============================================
   Blog-Specific Styles — bright editorial
   ============================================ */

.blog-header {
    padding: 9rem 0 3rem;
    text-align: center;
}

.blog-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
}

.blog-header h1 {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1;
    color: var(--ink);
    margin-bottom: 1rem;
}

.blog-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
}

/* ============================================
   Posts
   ============================================ */

.blog-posts {
    padding: 3rem 0 8rem;
}

.posts-empty {
    max-width: 600px;
    margin: 4rem auto;
    text-align: center;
    padding: 3.5rem 2rem;
    border: 1px solid var(--border);
    border-radius: 1rem;
    background: var(--bg-light);
}

.posts-empty h2 {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 4vw, 2.25rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin-bottom: 1rem;
}

.posts-empty p {
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 48ch;
    margin: 0 auto;
}

/* Filters */
.blog-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 3.5rem;
    justify-content: center;
}

.filter-btn {
    padding: 0.55rem 1.25rem;
    background: transparent;
    border: 1px solid var(--border-strong);
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: 999px;
}

.filter-btn:hover {
    border-color: var(--ink);
    color: var(--ink);
}

.filter-btn.active {
    background: var(--ink);
    color: #fff;
    border-color: var(--ink);
}

/* Post grid */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2rem;
}

.post-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 2rem;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
}

.post-card.hidden { display: none; }

.post-card:hover {
    border-color: var(--border-strong);
    box-shadow: 0 16px 40px -24px rgba(26, 29, 41, 0.3);
    transform: translateY(-3px);
}

.post-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.post-tag {
    padding: 0.3rem 0.75rem;
    border: 1px solid var(--border-strong);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    border-radius: 999px;
}

.post-date {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    white-space: nowrap;
}

.post-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 0.85rem;
    line-height: 1.2;
}

.post-title a {
    color: var(--ink);
    transition: color 0.2s ease;
}

.post-title a:hover { color: var(--accent); }

.post-excerpt {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.post-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.read-time {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
}

.read-more {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--accent);
    transition: color 0.2s ease;
}

.read-more:hover { color: var(--accent-hover); }

/* ============================================
   Newsletter
   ============================================ */

.newsletter {
    padding: 5rem 0;
    background: var(--bg-light);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.newsletter-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.newsletter-form h3 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin-bottom: 1rem;
}

.newsletter-form p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.newsletter-form form {
    display: flex;
    gap: 0.75rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.9rem 1.25rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-strong);
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: 1rem;
    border-radius: 999px;
    transition: border-color 0.2s ease;
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--accent);
}

.newsletter-form button {
    padding: 0.9rem 1.75rem;
    background: var(--ink);
    color: #fff;
    border: 1px solid var(--ink);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 999px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.newsletter-form button:hover { background: var(--ink-soft); }

.newsletter-note {
    margin-top: 1rem;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.newsletter-note a {
    color: var(--accent);
    text-decoration: underline;
}

/* ============================================
   Blog Post Page (article typography)
   ============================================ */

.post-content {
    padding: 8rem 0 4rem;
}

.post-content .container {
    max-width: 720px;
}

.post-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
}

.post-content h1 {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    color: var(--ink);
    margin-bottom: 1.5rem;
}

.post-content h2 {
    font-family: var(--font-display);
    font-size: 1.85rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin: 3rem 0 1.25rem;
}

.post-content h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--ink);
    margin: 2rem 0 1rem;
}

.post-content p {
    color: var(--text-secondary);
    line-height: 1.85;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.post-content a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.post-content a:hover { color: var(--accent-hover); }

.post-content ul,
.post-content ol {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
    color: var(--text-secondary);
    line-height: 1.85;
}

.post-content li { margin-bottom: 0.6rem; }

.post-content code {
    background: var(--bg-light);
    padding: 0.15rem 0.45rem;
    border-radius: 5px;
    font-family: var(--font-mono);
    font-size: 0.88em;
    color: var(--ink);
    border: 1px solid var(--border);
}

.post-content pre {
    background: var(--ink);
    border-radius: 0.75rem;
    padding: 1.5rem;
    overflow-x: auto;
    margin: 2rem 0;
}

.post-content pre code {
    background: none;
    border: none;
    padding: 0;
    display: block;
    color: var(--on-dark);
}

.post-content blockquote {
    border-left: 3px solid var(--accent);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--text-secondary);
}

.post-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.post-nav a {
    font-family: var(--font-sans);
    font-weight: 500;
    color: var(--accent);
    transition: color 0.2s ease;
}

.post-nav a:hover { color: var(--accent-hover); }

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
    .blog-header { padding: 7rem 0 2rem; }
    .blog-posts { padding: 2rem 0 4rem; }

    .posts-grid { grid-template-columns: 1fr; }
    .post-card { padding: 1.5rem; }
    .post-title { font-size: 1.3rem; }

    .newsletter-content { grid-template-columns: 1fr; }
    .newsletter-form form { flex-direction: column; }
    .newsletter-form input,
    .newsletter-form button { width: 100%; }

    .post-content { padding: 7rem 0 2rem; }
}