/* Blog list. Tokens come from layout.css. */

.page-hero {
    padding: 148px 0 40px;
}

.page-hero .section-number {
    font-size: 12px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 1px;
    display: block;
    margin-bottom: 16px;
}

.page-hero h1 {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1.35;
    margin-bottom: 16px;
    max-width: 760px;
}

.page-hero-desc {
    max-width: 680px;
    margin-bottom: 20px;
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.9;
}

.blog-crumb {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin-bottom: 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}

.blog-crumb a:hover {
    color: var(--accent);
}

.blog-crumb-current {
    color: var(--text-primary);
}

.blog-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 24px;
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 600;
}

.blog-list-section {
    padding-top: 24px;
    padding-bottom: 80px;
}

.section-header {
    margin-bottom: 32px;
}

.section-header h2 {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.4px;
    color: var(--accent);
    margin-bottom: 12px;
}

.section-header p {
    max-width: 640px;
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
}

.blog-feed {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 800px;
}

.blog-item {
    display: block;
    padding: 28px 32px;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
    transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}

.blog-item:hover {
    border-color: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(29, 78, 216, 0.08);
}

.blog-item-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 16px;
    align-items: center;
    margin-bottom: 12px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.4px;
    color: var(--text-secondary);
}

.blog-item-cat {
    color: var(--accent);
}

.blog-item-title {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.3px;
    line-height: 1.4;
    margin-bottom: 10px;
}

.blog-item-title a {
    color: var(--text-primary);
}

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

.blog-item-excerpt {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
}

.blog-empty {
    max-width: 800px;
    padding: 32px;
    border: 1px dashed var(--border-color);
    border-radius: 16px;
    background: var(--bg-surface);
}

.blog-empty p {
    color: var(--text-primary);
    font-size: 15px;
    line-height: 1.9;
}

.blog-empty p + p {
    margin-top: 12px;
    color: var(--text-secondary);
}

.topics-section {
    padding-top: 40px;
    padding-bottom: 80px;
    background: var(--bg-surface);
}

.topic-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.topic-card {
    padding: 28px;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    background: #fff;
}

.topic-card h3 {
    font-size: 18px;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 12px;
}

.topic-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 16px;
}

.topic-card a {
    font-size: 13px;
    font-weight: 700;
    color: var(--accent);
}

.topic-card a:hover {
    color: var(--accent-light);
}

.faq-section {
    padding-top: 80px;
    padding-bottom: 80px;
}

.blog-faq {
    max-width: 800px;
}

.blog-faq-item + .blog-faq-item {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.blog-faq-item h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

.blog-faq-item p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
}

.blog-cta {
    text-align: center;
    padding-top: 80px;
    padding-bottom: 96px;
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
}

.blog-cta h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 16px;
}

.blog-cta p {
    max-width: 520px;
    margin: 0 auto 28px;
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
}

.page-hero-desc code,
.blog-empty code,
.topic-card code,
.blog-faq-item code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.9em;
    padding: 0.1em 0.35em;
    border-radius: 4px;
    background: var(--bg-surface);
    color: var(--text-primary);
}

@media (max-width: 720px) {
    .topic-grid {
        grid-template-columns: 1fr;
    }

    .blog-item,
    .blog-empty,
    .topic-card {
        padding: 22px;
    }
}