/* === Blog Filter === */
.blog-filter-section { padding: 2rem 0 0; }
.blog-filter-bar {
    display: flex; gap: 0.75rem; flex-wrap: wrap;
    justify-content: center;
}
.blog-filter-btn {
    padding: 0.6rem 1.25rem; border: 2px solid var(--gray-200);
    border-radius: 50px; background: var(--white); color: var(--gray-600);
    font-size: 0.85rem; font-weight: 600; cursor: pointer;
    transition: all 0.3s ease; display: flex; align-items: center; gap: 0.5rem;
}
.blog-filter-btn:hover { border-color: var(--accent); color: var(--accent); }
.blog-filter-btn.active {
    background: var(--primary); color: var(--white);
    border-color: var(--primary);
}

/* === Blog Grid === */
.blog-grid-section { padding: 2.5rem 0 4rem; }
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2rem;
}

/* === Blog Card === */
.blog-card {
    background: var(--white); border-radius: 16px;
    overflow: hidden; box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    transition: all 0.3s ease; border: 1px solid var(--gray-100);
}
.blog-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.12);
}
.blog-card-image {
    position: relative; overflow: hidden;
    height: 220px;
}
.blog-card-image img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.5s ease;
}
.blog-card:hover .blog-card-image img { transform: scale(1.08); }
.blog-card-badge {
    position: absolute; top: 1rem; left: 1rem;
    background: var(--accent); color: var(--white);
    padding: 0.3rem 0.75rem; border-radius: 20px;
    font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.5px;
}
.blog-card-category {
    position: absolute; top: 1rem; right: 1rem;
    background: rgba(10,22,40,0.8); color: var(--white);
    padding: 0.3rem 0.75rem; border-radius: 20px;
    font-size: 0.7rem; font-weight: 600; backdrop-filter: blur(4px);
}

.blog-card-content { padding: 1.5rem; }
.blog-card-meta {
    display: flex; gap: 1.25rem; margin-bottom: 0.75rem;
    font-size: 0.8rem; color: var(--gray-500);
}
.blog-card-meta i { margin-right: 0.3rem; }
.blog-card-title {
    font-size: 1.15rem; font-weight: 700; line-height: 1.4;
    margin-bottom: 0.75rem; color: var(--gray-900);
}
.blog-card-title a {
    color: inherit; text-decoration: none;
    transition: color 0.3s ease;
}
.blog-card-title a:hover { color: var(--accent); }
.blog-card-excerpt {
    font-size: 0.9rem; color: var(--gray-600);
    line-height: 1.6; margin-bottom: 1rem;
    display: -webkit-box; -webkit-line-clamp: 3;
    -webkit-box-orient: vertical; overflow: hidden;
}
.blog-card-link {
    display: inline-flex; align-items: center; gap: 0.5rem;
    color: var(--accent); font-weight: 600; font-size: 0.85rem;
    text-decoration: none; transition: gap 0.3s ease;
}
.blog-card-link:hover { gap: 0.75rem; }

/* Featured Card */
.blog-card-featured {
    grid-column: 1 / -1;
    display: grid; grid-template-columns: 1.2fr 1fr;
}
.blog-card-featured .blog-card-image { height: 100%; min-height: 300px; }
.blog-card-featured .blog-card-content {
    display: flex; flex-direction: column; justify-content: center;
    padding: 2rem;
}
.blog-card-featured .blog-card-title { font-size: 1.5rem; }
.blog-card-featured .blog-card-excerpt { -webkit-line-clamp: 4; }

/* === Blog CTA === */
.blog-cta { padding: 0 0 4rem; }
.blog-cta-card {
    background: linear-gradient(135deg, var(--primary) 0%, #162d4a 100%);
    border-radius: 16px; padding: 3rem;
    display: flex; align-items: center; justify-content: space-between;
    gap: 2rem;
}
.blog-cta-content h2 { color: var(--white); font-size: 1.5rem; margin-bottom: 0.5rem; }
.blog-cta-content p { color: rgba(255,255,255,0.7); font-size: 1rem; }

/* === Blog Detail Page === */
.blog-detail-section { padding: 3rem 0 4rem; }
.blog-detail-container { max-width: 800px; margin: 0 auto; }
.blog-detail-header { margin-bottom: 2rem; }
.blog-detail-category {
    display: inline-block; background: var(--primary); color: var(--white);
    padding: 0.3rem 0.75rem; border-radius: 20px;
    font-size: 0.75rem; font-weight: 600; margin-bottom: 1rem;
}
.blog-detail-title {
    font-size: 2.2rem; font-weight: 800; line-height: 1.3;
    color: var(--gray-900); margin-bottom: 1rem;
}
.blog-detail-meta {
    display: flex; gap: 1.5rem; color: var(--gray-500);
    font-size: 0.85rem; padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--gray-100);
}
.blog-detail-meta i { margin-right: 0.4rem; color: var(--accent); }
.blog-detail-cover {
    width: 100%; height: 400px; object-fit: cover;
    border-radius: 16px; margin-bottom: 2rem;
}
.blog-detail-body { font-size: 1.05rem; line-height: 1.8; color: var(--gray-700); }
.blog-detail-body h2 {
    font-size: 1.5rem; font-weight: 700; color: var(--gray-900);
    margin: 2rem 0 1rem; padding-top: 1rem;
    border-top: 1px solid var(--gray-100);
}
.blog-detail-body h3 {
    font-size: 1.2rem; font-weight: 700; color: var(--gray-800);
    margin: 1.5rem 0 0.75rem;
}
.blog-detail-body p { margin-bottom: 1.25rem; }
.blog-detail-body ul, .blog-detail-body ol {
    margin: 1rem 0 1.5rem 1.5rem;
}
.blog-detail-body li { margin-bottom: 0.5rem; }
.blog-detail-body blockquote {
    border-left: 4px solid var(--accent); padding: 1rem 1.5rem;
    background: var(--gray-50); border-radius: 0 8px 8px 0;
    margin: 1.5rem 0; font-style: italic; color: var(--gray-600);
}
.blog-detail-body img {
    width: 100%; border-radius: 12px; margin: 1.5rem 0;
}

/* Transfer CTA in article */
.blog-transfer-cta {
    background: linear-gradient(135deg, var(--primary) 0%, #162d4a 100%);
    border-radius: 12px; padding: 1.5rem 2rem;
    display: flex; align-items: center; justify-content: space-between;
    gap: 1.5rem; margin: 2rem 0; color: var(--white);
}
.blog-transfer-cta p { font-size: 0.95rem; margin: 0; }
.blog-transfer-cta strong { font-size: 1.1rem; display: block; margin-bottom: 0.25rem; }
.blog-transfer-cta a {
    background: var(--accent); color: var(--white); padding: 0.75rem 1.5rem;
    border-radius: 8px; text-decoration: none; font-weight: 600;
    font-size: 0.85rem; white-space: nowrap; transition: all 0.3s;
}
.blog-transfer-cta a:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(200,164,94,0.4); }

/* Related Posts */
.blog-related { margin-top: 3rem; padding-top: 2rem; border-top: 2px solid var(--gray-100); }
.blog-related h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 1.5rem; }
.blog-related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1.5rem; }
.blog-related-card { border-radius: 12px; overflow: hidden; background: var(--white); border: 1px solid var(--gray-100); transition: all 0.3s; }
.blog-related-card:hover { transform: translateY(-4px); box-shadow: 0 8px 20px rgba(0,0,0,0.1); }
.blog-related-card img { width: 100%; height: 140px; object-fit: cover; }
.blog-related-card .related-content { padding: 1rem; }
.blog-related-card .related-title { font-size: 0.9rem; font-weight: 600; color: var(--gray-800); }
.blog-related-card .related-title a { color: inherit; text-decoration: none; }
.blog-related-card .related-title a:hover { color: var(--accent); }

/* === Responsive === */
@media (max-width: 768px) {
    .blog-grid { grid-template-columns: 1fr; }
    .blog-card-featured { grid-template-columns: 1fr; }
    .blog-card-featured .blog-card-image { min-height: 200px; }
    .blog-card-featured .blog-card-title { font-size: 1.2rem; }
    .blog-cta-card { flex-direction: column; text-align: center; padding: 2rem; }
    .blog-detail-title { font-size: 1.6rem; }
    .blog-detail-cover { height: 250px; }
    .blog-transfer-cta { flex-direction: column; text-align: center; }
    .blog-detail-meta { flex-wrap: wrap; gap: 0.75rem; }
    .blog-related-grid { grid-template-columns: 1fr 1fr; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}