/* ═══════════════════════════════════════════════════════════
   Blog — public marketing site (matches homepage / tutorials)
   ═══════════════════════════════════════════════════════════ */

* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    color-scheme: light;
    --primary: #3B82F6;
    --primary-dark: #2563EB;
    --secondary: #8B5CF6;
    --dark: #0F172A;
    --light: #F8FAFC;
    --gray: #64748B;
    --gray-light: #94A3B8;
    --gradient: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 100%);
    --surface-primary: #ffffff;
    --surface-secondary: #F9FAFB;
    --surface-tertiary: #F3F4F6;
    --border: #E2E8F0;
    --border-strong: #CBD5E1;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--dark);
    background: var(--light);
    line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

/* ─── Blog INDEX page ─────────────────────────────────────── */

.blog-index-hero {
    background: var(--gradient);
    padding: 7rem 2rem 3rem;
    text-align: center;
    color: white;
}
.blog-index-hero-inner { max-width: 800px; margin: 0 auto; }
.blog-index-hero h1 { font-size: 2.5rem; font-weight: 800; margin-bottom: 0.75rem; }
.blog-index-hero p { opacity: 0.9; font-size: 1.125rem; max-width: 640px; margin: 0 auto; }

.blog-index-content {
    max-width: 1100px;
    margin: 0 auto;
    padding: 3rem 2rem 5rem;
}

.blog-no-results {
    text-align: center;
    color: var(--gray);
    padding: 3rem;
}

.blog-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.blog-card {
    background: var(--surface-primary);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.blog-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
    border-color: var(--border-strong);
}

.blog-card-link {
    display: block;
    padding: 1.5rem;
    color: var(--dark);
    height: 100%;
}
.blog-card-link:hover { color: var(--dark); }

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.blog-category-pill {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    border-radius: 999px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-dark);
    letter-spacing: 0.02em;
}
.blog-cat-comparison { background: rgba(59, 130, 246, 0.12); color: var(--primary-dark); }
.blog-cat-guide      { background: rgba(139, 92, 246, 0.12); color: #6D28D9; }
.blog-cat-howto      { background: rgba(16, 185, 129, 0.12); color: #047857; }
.blog-cat-news       { background: rgba(245, 158, 11, 0.12); color: #B45309; }

.blog-lang-badge {
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    background: var(--surface-tertiary);
    color: var(--gray);
    border-radius: 999px;
}

.blog-card-title {
    font-size: 1.25rem;
    line-height: 1.35;
    margin-bottom: 0.5rem;
}

.blog-card-excerpt {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.55;
    margin-bottom: 1.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    font-size: 0.85rem;
}

.blog-card-author {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.blog-card-author-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--gradient);
    color: white;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
}

.blog-card-author-name { color: var(--dark); }

.blog-card-stats {
    color: var(--gray);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
}

/* ─── Blog POST page ──────────────────────────────────────── */

.blog-post-container {
    max-width: 760px;
    margin: 0 auto;
    padding: 6rem 1.5rem 4rem;
}

.blog-breadcrumb {
    font-size: 0.85rem;
    color: var(--gray);
    margin-bottom: 2rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
}
.blog-breadcrumb a { color: var(--gray); }
.blog-breadcrumb a:hover { color: var(--primary); }
.blog-breadcrumb .sep { opacity: 0.5; }
.blog-breadcrumb [aria-current="page"] { color: var(--dark); }

.blog-article-header { margin-bottom: 2.5rem; }
.blog-article-header .blog-category-pill { margin-bottom: 1rem; }
.blog-article-header h1 {
    font-size: 2.25rem;
    line-height: 1.2;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.blog-article-lede {
    font-size: 1.2rem;
    line-height: 1.55;
    color: var(--gray);
    margin-bottom: 1.75rem;
}

.blog-article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.5rem;
    padding: 1rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    color: var(--gray);
    font-size: 0.9rem;
}

.blog-author {
    display: flex;
    align-items: center;
    gap: 0.625rem;
}

.blog-author-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--gradient);
    color: white;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.blog-author-name { color: var(--dark); font-weight: 600; line-height: 1.2; }
.blog-author-role { font-size: 0.8rem; color: var(--gray); }

.blog-meta-secondary {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.blog-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

/* ─── Article body typography ─────────────────────────────── */

.blog-article-body { font-size: 1.0625rem; line-height: 1.7; color: var(--dark); }

.blog-article-body p { margin: 0 0 1.25rem; }

.blog-article-body h2 {
    font-size: 1.625rem;
    font-weight: 700;
    line-height: 1.3;
    margin: 3rem 0 1rem;
    scroll-margin-top: 2rem;
}

.blog-article-body h3 {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.35;
    margin: 2rem 0 0.75rem;
    color: var(--dark);
}

.blog-article-body ul,
.blog-article-body ol {
    margin: 0 0 1.5rem 1.5rem;
    padding-left: 0.5rem;
}
.blog-article-body li { margin-bottom: 0.5rem; }

.blog-numbered-list { counter-reset: blog-step; list-style: none; margin-left: 0; }
.blog-numbered-list li {
    position: relative;
    padding: 0.75rem 0 0.75rem 2.75rem;
    margin-bottom: 0.5rem;
    counter-increment: blog-step;
}
.blog-numbered-list li::before {
    content: counter(blog-step);
    position: absolute;
    left: 0;
    top: 0.6rem;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.12);
    color: var(--primary-dark);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.blog-article-body strong { font-weight: 700; color: var(--dark); }

.blog-divider {
    margin: 3rem 0;
    border: 0;
    border-top: 1px solid var(--border);
}

/* ─── Comparison table ────────────────────────────────────── */

.blog-table-wrap {
    overflow-x: auto;
    margin: 1.5rem -0.5rem 2rem;
    padding: 0 0.5rem;
    border-radius: 12px;
}

.blog-compare-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    background: var(--surface-primary);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    min-width: 720px;
}

.blog-compare-table thead {
    background: var(--surface-tertiary);
}

.blog-compare-table th {
    text-align: left;
    padding: 0.85rem 1rem;
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray);
    white-space: nowrap;
}

.blog-compare-table td {
    padding: 0.85rem 1rem;
    border-top: 1px solid var(--border);
    vertical-align: top;
    line-height: 1.45;
}

.blog-compare-table tbody tr:hover { background: var(--surface-secondary); }

.blog-row-highlight {
    background: rgba(59, 130, 246, 0.04);
}
.blog-row-highlight:hover { background: rgba(59, 130, 246, 0.08); }

/* ─── CTA box ─────────────────────────────────────────────── */

.blog-cta {
    margin: 3rem 0 0;
    padding: 2rem;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
    border: 1px solid rgba(59, 130, 246, 0.15);
    text-align: center;
}
.blog-cta h3 { font-size: 1.375rem; margin-bottom: 0.5rem; color: var(--dark); }
.blog-cta p { color: var(--gray); margin-bottom: 1.25rem; max-width: 480px; margin-left: auto; margin-right: auto; }
.blog-cta-btn {
    display: inline-block;
    padding: 0.75rem 1.75rem;
    background: var(--gradient);
    color: white !important;
    border-radius: 999px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.blog-cta-btn:hover { box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4); transform: translateY(-1px); }

/* ─── FAQ section ─────────────────────────────────────────── */

.blog-faq-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.blog-faq-section h2 {
    font-size: 1.625rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.blog-faq-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.blog-faq-item {
    background: var(--surface-primary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
}

.blog-faq-q {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.blog-faq-a {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ─── Footer / back link ──────────────────────────────────── */

.blog-article-footer {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.blog-back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 600;
}

/* ─── Responsive ──────────────────────────────────────────── */

@media (max-width: 720px) {
    .blog-index-hero { padding: 5rem 1rem 2rem; }
    .blog-index-hero h1 { font-size: 1.875rem; }
    .blog-post-container { padding: 4.5rem 1rem 3rem; }
    .blog-article-header h1 { font-size: 1.75rem; }
    .blog-article-lede { font-size: 1.05rem; }
    .blog-article-body { font-size: 1rem; }
    .blog-article-body h2 { font-size: 1.375rem; margin-top: 2.25rem; }
    .blog-article-body h3 { font-size: 1.125rem; }
    .blog-cta { padding: 1.5rem; }
    .blog-article-meta { gap: 1rem; }
}