/* ===== BirdiePing Blog Styles ===== */

/* --- Blog Index --- */
.blog-hero {
    padding: 140px 0 60px;
    text-align: center;
    background: radial-gradient(ellipse at top, var(--green-50) 0%, var(--white) 70%);
}
.blog-hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--green-900);
    margin-bottom: 12px;
}
.blog-hero p {
    font-size: 1.15rem;
    color: var(--gray-500);
    max-width: 560px;
    margin: 0 auto;
}

.blog-grid {
    padding: 60px 0 80px;
}
.blog-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.blog-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
}
.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.blog-card-body {
    padding: 28px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 0.8rem;
    color: var(--gray-500);
}
.blog-card-category {
    background: var(--green-100);
    color: var(--green-700);
    padding: 3px 10px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.blog-card h2 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
    line-height: 1.35;
}
.blog-card p {
    font-size: 0.9rem;
    color: var(--gray-600);
    line-height: 1.6;
    flex: 1;
}
.blog-card-link {
    margin-top: 16px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--green-600);
}

/* --- Article Page --- */
.article-hero {
    padding: 140px 0 48px;
    text-align: center;
    background: radial-gradient(ellipse at top, var(--green-50) 0%, var(--white) 70%);
}
.article-hero .article-category {
    display: inline-block;
    background: var(--green-100);
    color: var(--green-700);
    padding: 4px 14px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}
.article-hero h1 {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--green-900);
    max-width: 780px;
    margin: 0 auto 16px;
    line-height: 1.2;
}
.article-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-size: 0.9rem;
    color: var(--gray-500);
}
.article-meta-divider {
    width: 4px;
    height: 4px;
    background: var(--gray-400);
    border-radius: 50%;
}

.article-content {
    max-width: 720px;
    margin: 0 auto;
    padding: 48px 24px 64px;
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--gray-800);
}
.article-content h2 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--green-900);
    margin: 48px 0 16px;
}
.article-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 36px 0 12px;
}
.article-content p {
    margin-bottom: 20px;
}
.article-content ul, .article-content ol {
    margin: 0 0 20px 24px;
}
.article-content li {
    margin-bottom: 8px;
}
.article-content strong {
    color: var(--gray-900);
}
.article-content blockquote {
    border-left: 4px solid var(--green-500);
    padding: 16px 24px;
    margin: 24px 0;
    background: var(--green-50);
    border-radius: 0 var(--radius) var(--radius) 0;
    color: var(--gray-700);
    font-style: italic;
}
.article-content a {
    color: var(--green-600);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.article-content a:hover {
    color: var(--green-700);
}

/* Author box */
.article-author {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 24px 48px;
    display: flex;
    align-items: center;
    gap: 16px;
    border-top: 1px solid var(--gray-200);
    padding-top: 32px;
}
.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--green-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.author-avatar svg {
    width: 24px;
    height: 24px;
    color: var(--green-600);
}
.author-info strong {
    display: block;
    font-size: 0.95rem;
    color: var(--gray-900);
}
.author-info span {
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* CTA Section */
.blog-cta {
    background: var(--green-900);
    padding: 64px 24px;
    text-align: center;
    border-radius: var(--radius-xl);
    max-width: 720px;
    margin: 0 auto 64px;
}
.blog-cta h2 {
    color: var(--white);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 12px;
}
.blog-cta p {
    color: var(--gray-400);
    font-size: 1rem;
    margin-bottom: 24px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}
.blog-cta .btn {
    background: var(--green-500);
    color: var(--green-900);
    font-weight: 700;
}
.blog-cta .btn:hover {
    background: var(--green-400);
}

/* Related articles */
.related-articles {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 24px 64px;
}
.related-articles h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 24px;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.related-card {
    padding: 20px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}
.related-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.related-card span {
    font-size: 0.75rem;
    color: var(--gray-500);
}
.related-card strong {
    display: block;
    font-size: 0.95rem;
    color: var(--gray-900);
    margin-top: 4px;
    line-height: 1.35;
}

/* Responsive */
@media (max-width: 900px) {
    .blog-cards { grid-template-columns: repeat(2, 1fr); }
    .blog-hero h1 { font-size: 2.2rem; }
    .article-hero h1 { font-size: 2rem; }
}
@media (max-width: 600px) {
    .blog-cards { grid-template-columns: 1fr; }
    .blog-hero h1 { font-size: 1.8rem; }
    .article-hero h1 { font-size: 1.6rem; }
    .article-content { font-size: 1rem; }
    .related-grid { grid-template-columns: 1fr; }
    .blog-cta { margin: 0 16px 48px; padding: 48px 20px; }
}