/* ============================================
   SPL Blog — Editorial Minimalism
   Refined, typography-driven, premium feel
   ============================================ */

/* Force override landing.css blog-card defaults */
body .blog-list-grid .blog-card,
body .blog-list-grid .blog-card:hover {
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

body .blog-list-grid .blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

body .blog-list-grid .blog-image.no-image::after {
    content: '';
    font-size: 0;
    width: 48px;
    height: 48px;
    border: 2px solid rgba(99, 102, 241, 0.15);
    border-radius: 12px;
    transform: rotate(45deg);
    position: relative;
    z-index: 1;
}

/* --- Blog Hero --- */
.blog-hero {
    padding: 9rem 2rem 3.5rem;
    background: var(--bg-white);
    text-align: center;
    position: relative;
    border-bottom: 1px solid var(--border);
}

.blog-hero-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--secondary);
    margin-bottom: 1.5rem;
}

.blog-hero-label::before,
.blog-hero-label::after {
    content: '';
    width: 24px;
    height: 1px;
    background: var(--secondary);
    opacity: 0.4;
}

.blog-hero h1 {
    font-size: 3rem;
    font-weight: 900;
    color: var(--text-dark);
    letter-spacing: -0.04em;
    margin-bottom: 0.75rem;
    line-height: 1.15;
}

.blog-hero p {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 28rem;
    margin: 0 auto;
    line-height: 1.6;
    font-weight: 400;
}

.blog-hero-count {
    margin-top: 1.5rem;
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 500;
}

/* --- Category Filter --- */
.blog-category-filter {
    display: flex;
    justify-content: center;
    gap: 0.35rem;
    flex-wrap: wrap;
    padding: 1.5rem 2rem;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 60px;
    z-index: 10;
}

body.has-dev-banner .blog-category-filter {
    top: 104px;
}

.category-pill {
    display: inline-block;
    padding: 0.45rem 1.1rem;
    background: transparent;
    border: none;
    border-radius: var(--radius-full);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.875rem;
    text-decoration: none;
    transition: all 0.25s;
}

.category-pill:hover {
    color: var(--text-dark);
    background: var(--bg-gray);
}

.category-pill.active {
    background: var(--text-dark);
    color: white;
}

/* ============================================
   Featured Post (First Card)
   ============================================ */

.blog-featured {
    max-width: 1080px;
    margin: 0 auto;
    padding: 3rem 2rem 0;
}

.blog-featured-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    text-decoration: none;
    color: inherit;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.blog-featured-card:hover {
    box-shadow: 0 24px 64px rgba(0,0,0,0.08);
    border-color: transparent;
    transform: translateY(-4px);
}

.blog-featured-image {
    aspect-ratio: 4/3;
    overflow: hidden;
    background: linear-gradient(135deg, #EEF2FF, #E0E7FF);
    position: relative;
}

.blog-featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.blog-featured-card:hover .blog-featured-image img {
    transform: scale(1.04);
}

.blog-featured-image.no-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.blog-featured-image.no-image .no-image-pattern {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.blog-featured-body {
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.blog-featured-body .post-label {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--secondary);
    margin-bottom: 1rem;
}

.blog-featured-body h2 {
    font-size: 1.65rem;
    font-weight: 800;
    color: var(--text-dark);
    letter-spacing: -0.03em;
    line-height: 1.35;
    margin-bottom: 1rem;
}

.blog-featured-body .post-summary {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    flex: 1;
}

.blog-featured-body .post-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.8rem;
    color: var(--text-light);
    font-weight: 500;
}

.post-meta .meta-sep {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--text-light);
}

/* ============================================
   Blog List Grid
   ============================================ */

.blog-list-section {
    padding: 3rem 2rem 5rem;
    background: var(--bg-white);
    max-width: 1080px;
    margin: 0 auto;
}

.blog-list-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-light);
}

.blog-list-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.blog-list-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    background: none;
    border: none;
    border-radius: 0;
    overflow: visible;
}

/* Override landing.css blog-card defaults for this grid */
.blog-list-grid .blog-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: inherit;
    transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    overflow: hidden;
}

.blog-list-grid .blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.blog-list-grid .blog-image {
    height: 200px;
    overflow: hidden;
    background: linear-gradient(135deg, #EEF2FF, #E0E7FF);
}

.blog-list-grid .blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.blog-list-grid .blog-card:hover .blog-image img {
    transform: scale(1.05);
}

/* No-image state with geometric pattern */
.blog-list-grid .blog-image.no-image {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #EEF2FF 0%, #E0E7FF 50%, #ECFDF5 100%);
}

.blog-list-grid .blog-image.no-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(99, 102, 241, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(16, 185, 129, 0.06) 0%, transparent 50%);
}

.blog-list-grid .blog-image.no-image::after {
    content: '';
    width: 48px;
    height: 48px;
    border: 2px solid rgba(99, 102, 241, 0.15);
    border-radius: 12px;
    transform: rotate(45deg);
    position: relative;
    z-index: 1;
}

.blog-list-grid .blog-content {
    padding: 1.25rem 1.5rem 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-list-grid .blog-category {
    display: inline-block;
    padding: 0;
    background: none;
    color: var(--secondary);
    border-radius: 0;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.blog-list-grid .blog-content h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    line-height: 1.45;
    letter-spacing: -0.01em;
}

.blog-list-grid .blog-content p {
    color: var(--text-muted);
    margin-bottom: 1rem;
    font-size: 0.875rem;
    line-height: 1.6;
    flex: 1;
}

.blog-list-grid .blog-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.78rem;
    color: var(--text-light);
    border-top: 1px solid var(--border-light);
    padding-top: 0.75rem;
    font-weight: 500;
}

/* ============================================
   Blog Empty State
   ============================================ */

.blog-empty {
    text-align: center;
    padding: 8rem 2rem;
    max-width: 1080px;
    margin: 0 auto;
}

.blog-empty-visual {
    width: 120px;
    height: 120px;
    margin: 0 auto 2rem;
    position: relative;
}

.blog-empty-visual::before {
    content: '';
    position: absolute;
    inset: 0;
    border: 2px dashed var(--border);
    border-radius: 50%;
    animation: emptyRotate 20s linear infinite;
}

.blog-empty-visual::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    border: 2px solid rgba(99, 102, 241, 0.2);
    border-radius: 10px;
    transform: translate(-50%, -50%) rotate(45deg);
}

@keyframes emptyRotate {
    to { transform: rotate(360deg); }
}

.blog-empty h3 {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.blog-empty p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* --- Pagination --- */
.blog-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.25rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.blog-pagination a,
.blog-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.25rem;
    height: 2.25rem;
    padding: 0 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}

.blog-pagination a {
    color: var(--text-muted);
    background: transparent;
    border: none;
}

.blog-pagination a:hover {
    color: var(--text-dark);
    background: var(--bg-gray);
}

.blog-pagination .current {
    background: var(--text-dark);
    color: white;
}

.blog-pagination .dots {
    color: var(--text-light);
    border: none;
    background: none;
}

/* ============================================
   Blog Article Page
   ============================================ */

.blog-article-page {
    padding-top: 4.5rem;
}

/* Article Header */
.blog-article-header {
    max-width: 720px;
    margin: 0 auto;
    padding: 3.5rem 2rem 2rem;
    text-align: center;
}

.blog-article-category {
    display: inline-block;
    padding: 0;
    background: none;
    color: var(--secondary);
    border-radius: 0;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1.25rem;
}

.blog-article-header h1 {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--text-dark);
    letter-spacing: -0.035em;
    line-height: 1.3;
    margin-bottom: 1.5rem;
}

.blog-article-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    color: var(--text-muted);
    font-size: 0.88rem;
}

.blog-article-meta .meta-author {
    font-weight: 600;
    color: var(--text-body);
}

.blog-article-meta .meta-dot {
    width: 3px;
    height: 3px;
    background: var(--text-light);
    border-radius: 50%;
}

/* Hero Image */
.blog-article-hero {
    max-width: 900px;
    margin: 0 auto 2.5rem;
    padding: 0 2rem;
}

.blog-article-hero img {
    width: 100%;
    border-radius: var(--radius-lg);
    object-fit: cover;
    max-height: 480px;
}

/* Article Body */
.blog-article-body {
    max-width: 680px;
    margin: 0 auto;
    padding: 0 2rem 4rem;
    font-size: 1.075rem;
    line-height: 1.9;
    color: var(--text-body);
    word-break: keep-all;
}

.blog-article-body h2 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-dark);
    margin: 3rem 0 1rem;
    letter-spacing: -0.02em;
}

.blog-article-body h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    margin: 2.5rem 0 0.75rem;
}

.blog-article-body p {
    margin-bottom: 1.5rem;
}

.blog-article-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: 1.5rem 0;
}

.blog-article-body blockquote {
    border-left: 3px solid var(--secondary);
    padding: 1rem 1.5rem;
    margin: 2rem 0;
    background: var(--bg-light);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-body);
    font-style: italic;
}

.blog-article-body ul,
.blog-article-body ol {
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.blog-article-body li {
    margin-bottom: 0.5rem;
}

.blog-article-body a {
    color: var(--secondary);
    text-decoration: underline;
    text-decoration-color: rgba(99, 102, 241, 0.3);
    text-underline-offset: 3px;
    transition: text-decoration-color 0.2s;
}

.blog-article-body a:hover {
    text-decoration-color: var(--secondary);
}

.blog-article-body pre,
.blog-article-body code {
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 0.9em;
}

.blog-article-body code {
    background: var(--bg-gray);
    padding: 0.15em 0.4em;
    border-radius: 3px;
}

.blog-article-body pre {
    background: var(--text-dark);
    color: #e5e7eb;
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: 1.5rem 0;
}

.blog-article-body pre code {
    background: none;
    padding: 0;
    color: inherit;
}

/* Article Stats */
.blog-article-stats {
    max-width: 680px;
    margin: 0 auto;
    padding: 0 2rem 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    color: var(--text-muted);
    font-size: 0.88rem;
    border-bottom: 1px solid var(--border);
}

.blog-article-stats svg {
    width: 1rem;
    height: 1rem;
    margin-right: 0.25rem;
    vertical-align: -2px;
}

/* Prev / Next Navigation */
.blog-nav-prevnext {
    max-width: 680px;
    margin: 0 auto;
    padding: 2.5rem 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.blog-nav-link {
    display: block;
    padding: 1.25rem;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.3s;
}

.blog-nav-link:hover {
    border-color: var(--secondary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.blog-nav-link .nav-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-light);
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 0.35rem;
}

.blog-nav-link .nav-title {
    color: var(--text-dark);
    font-weight: 600;
    font-size: 0.92rem;
    line-height: 1.4;
}

.blog-nav-link.next {
    text-align: right;
}

/* Back to list */
.blog-back {
    max-width: 680px;
    margin: 0 auto;
    padding: 0 2rem 4rem;
    text-align: center;
}

.blog-back a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    background: transparent;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-full);
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.3s;
}

.blog-back a:hover {
    border-color: var(--text-dark);
    color: var(--text-dark);
}

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

@media (max-width: 768px) {
    .blog-hero {
        padding: 6.5rem 1.5rem 2.5rem;
    }

    .blog-hero h1 {
        font-size: 2rem;
    }

    .blog-category-filter {
        top: 52px;
        padding: 1rem 1rem;
        gap: 0.25rem;
    }

    .category-pill {
        font-size: 0.8rem;
        padding: 0.4rem 0.9rem;
    }

    .blog-featured {
        padding: 2rem 1rem 0;
    }

    .blog-featured-card {
        grid-template-columns: 1fr;
    }

    .blog-featured-image {
        aspect-ratio: 16/9;
    }

    .blog-featured-body {
        padding: 1.5rem;
    }

    .blog-featured-body h2 {
        font-size: 1.3rem;
    }

    .blog-list-section {
        padding: 2rem 1rem 4rem;
    }

    .blog-list-grid {
        grid-template-columns: 1fr;
    }

    .blog-article-header {
        padding: 2.5rem 1.5rem 1.5rem;
    }

    .blog-article-header h1 {
        font-size: 1.75rem;
    }

    .blog-article-body {
        font-size: 1rem;
        padding: 0 1.5rem 3rem;
    }

    .blog-article-meta {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .blog-nav-prevnext {
        grid-template-columns: 1fr;
        padding: 2rem 1.5rem;
    }

    .blog-article-hero {
        padding: 0 1rem;
    }

    .blog-article-hero img {
        border-radius: var(--radius-md);
    }
}