/* ============================================
   blog.css — Blog-specific styles for Take Car
   Requires: /styles.css (tokens, nav, footer, btn, heading-lg, label, etc.)
   ============================================ */

/* ============================================
   Breadcrumb
   ============================================ */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.625rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}
.breadcrumb a { color: var(--text-muted); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--accent-cyan); }
.breadcrumb-sep { color: var(--border-subtle); }
.breadcrumb span:last-child { color: var(--text-secondary); }

/* ============================================
   Blog Index: Hero
   ============================================ */
.blog-main { padding-top: 80px; }

.blog-hero {
    padding: 5rem 0 3rem;
    border-bottom: 1px solid var(--border-subtle);
}

.blog-hero .heading-lg { margin-bottom: 1rem; }
.blog-hero .sub-text { margin-top: 0.75rem; }

/* ============================================
   Blog Grid
   ============================================ */
.blog-grid-section { padding: 4rem 0; }

.blog-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1200px) {
    .blog-grid { grid-template-columns: repeat(3, 1fr); }
    .blog-grid .blog-card:first-child { grid-column: 1 / 3; }
    .blog-grid .blog-card:first-child .blog-card-visual { min-height: 220px; }
}

/* ============================================
   Blog Card
   ============================================ */
.blog-card {
    border: 1px solid var(--border-subtle);
    border-radius: 1.5rem;
    background: var(--bg-secondary);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
    border-color: rgba(0, 212, 255, 0.2);
}

.blog-card-link {
    display: block;
    height: 100%;
    color: inherit;
    text-decoration: none;
}

.blog-card-visual {
    min-height: 160px;
    position: relative;
    overflow: hidden;
    background: var(--bg-elevated);
}

.blog-card-deco {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 1.25rem;
}

.blog-card-deco--cyan { background: linear-gradient(135deg, rgba(0,212,255,0.06), rgba(0,180,160,0.03)); }
.blog-card-deco--amber { background: linear-gradient(135deg, rgba(255,184,0,0.06), rgba(255,107,0,0.03)); }
.blog-card-deco--teal { background: linear-gradient(135deg, rgba(0,180,160,0.06), rgba(0,212,255,0.03)); }
.blog-card-deco--violet { background: linear-gradient(135deg, rgba(139,92,246,0.06), rgba(0,212,255,0.03)); }
.blog-card-deco--red { background: linear-gradient(135deg, rgba(255,68,68,0.06), rgba(255,107,0,0.03)); }

.blog-card-deco-label {
    font-family: var(--font-mono);
    font-size: 0.5625rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent-cyan);
}

.blog-card-deco--amber .blog-card-deco-label { color: var(--accent-amber); }
.blog-card-deco--teal .blog-card-deco-label { color: var(--accent-teal); }
.blog-card-deco--violet .blog-card-deco-label { color: #8B5CF6; }
.blog-card-deco--red .blog-card-deco-label { color: #FF4444; }

.blog-card-deco-icon {
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
}

.blog-card-deco-icon svg {
    width: 48px;
    height: 48px;
    color: var(--accent-cyan);
    opacity: 0.15;
}

.blog-card-deco--amber .blog-card-deco-icon svg { color: var(--accent-amber); }
.blog-card-deco--teal .blog-card-deco-icon svg { color: var(--accent-teal); }
.blog-card-deco--violet .blog-card-deco-icon svg { color: #8B5CF6; }
.blog-card-deco--red .blog-card-deco-icon svg { color: #FF4444; }

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

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

.blog-card-tag {
    font-family: var(--font-mono);
    font-size: 0.5625rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--bg-primary);
    background: var(--accent-cyan);
    padding: 0.2rem 0.6rem;
    border-radius: 9999px;
    font-weight: 600;
}

.blog-card-date {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.blog-card-title {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
    letter-spacing: -0.01em;
    margin-bottom: 0.75rem;
}

.blog-card-excerpt {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.blog-card-read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-family: var(--font-mono);
    font-size: 0.625rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-cyan);
    transition: gap 0.2s ease;
}

.blog-card:hover .blog-card-read-more { gap: 0.625rem; }

/* ============================================
   Blog Index: CTA Section
   ============================================ */
.blog-cta {
    text-align: center;
    padding: 6rem 0;
    background: rgba(17,17,17,0.3);
    border-top: 1px solid var(--border-subtle);
}

.blog-cta-inner { max-width: 600px; margin: 0 auto; }
.blog-cta-inner .heading-lg { margin: 0.75rem 0 1rem; }
.blog-cta-inner .sub-text { margin: 0 auto 2rem; }

/* ============================================
   Article Page
   ============================================ */
.article-main { padding-top: 80px; }

.article-header { padding: 4rem 0 2.5rem; }

.container-narrow { max-width: 800px; margin: 0 auto; padding: 0 1.5rem; }

.article-meta-top {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.article-tag {
    font-family: var(--font-mono);
    font-size: 0.5625rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--bg-primary);
    background: var(--accent-cyan);
    padding: 0.2rem 0.6rem;
    border-radius: 9999px;
    font-weight: 600;
}

.article-date,
.article-read-time {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.article-read-time::before { content: "· "; }

.article-title {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 1.25rem;
}

.article-lead {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 680px;
}

/* Decorative hero band */
.article-hero-band {
    height: 200px;
    position: relative;
    overflow: hidden;
    background: var(--bg-elevated);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.article-hero-inner {
    position: absolute;
    inset: 0;
}

.article-hero-deco {
    position: absolute;
    inset: 0;
}

.blob-article-1 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--accent-cyan), transparent 70%);
    top: -150px;
    right: -50px;
    opacity: 0.08;
    border-radius: 50%;
    filter: blur(80px);
    position: absolute;
}

.blob-article-2 {
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, var(--accent-teal), transparent 70%);
    bottom: -100px;
    left: 10%;
    opacity: 0.06;
    border-radius: 50%;
    filter: blur(60px);
    position: absolute;
}

.article-hero-icons {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 2rem;
    flex-wrap: wrap;
    padding: 1rem;
}

.code-snippet--static {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1.25rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-subtle);
    background: rgba(17,17,17,0.6);
    backdrop-filter: blur(8px);
    font-family: var(--font-mono);
    font-size: 0.625rem;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    white-space: nowrap;
    opacity: 0.5;
}

.code-snippet--static .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-teal);
}

/* ============================================
   Table of Contents
   ============================================ */
.toc {
    padding: 1.5rem;
    border: 1px solid var(--border-subtle);
    border-radius: 1rem;
    background: var(--bg-secondary);
    margin-bottom: 3rem;
}

.toc-label {
    font-family: var(--font-mono);
    font-size: 0.5625rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent-cyan);
    display: block;
    margin-bottom: 1rem;
}

.toc-list {
    list-style: decimal;
    padding-left: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin: 0;
}

.toc-list li { color: var(--text-muted); }

.toc-list a {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.toc-list a:hover { color: var(--accent-cyan); }

/* ============================================
   Prose (article body)
   ============================================ */
.article-body { padding: 3rem 0 5rem; }

.prose {
    color: var(--text-secondary);
    font-size: 1.0625rem;
    line-height: 1.8;
    max-width: 720px;
}

.prose h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.375rem, 3vw, 1.875rem);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-top: 3.5rem;
    margin-bottom: 1rem;
    padding-top: 3.5rem;
    border-top: 1px solid var(--border-subtle);
}

.prose h2:first-child { margin-top: 0; padding-top: 0; border-top: none; }

.prose h3 {
    font-family: var(--font-heading);
    font-size: 1.1875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.prose p { margin-bottom: 1.25rem; }
.prose p:last-child { margin-bottom: 0; }

.prose strong { color: var(--text-primary); font-weight: 600; }
.prose em { font-style: italic; }

.prose a {
    color: var(--accent-cyan);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: rgba(0,212,255,0.3);
    transition: text-decoration-color 0.2s;
}
.prose a:hover { text-decoration-color: var(--accent-cyan); }

.prose ul,
.prose ol {
    margin-bottom: 1.25rem;
}

.prose ul { list-style: none; padding-left: 0; }
.prose ul li { padding-left: 1.25rem; position: relative; margin-bottom: 0.5rem; }
.prose ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.65em;
    width: 5px;
    height: 5px;
    background: var(--accent-teal);
    border-radius: 50%;
}

.prose ol { list-style: decimal; padding-left: 1.5rem; }
.prose ol li { margin-bottom: 0.5rem; padding-left: 0.25rem; }

/* Highlight / callout box */
.prose-highlight {
    padding: 1.5rem;
    border: 1px solid rgba(0,212,255,0.2);
    border-left: 3px solid var(--accent-cyan);
    border-radius: 0 1rem 1rem 0;
    background: rgba(0,212,255,0.03);
    margin: 2rem 0;
}

.prose-highlight-label {
    font-family: var(--font-mono);
    font-size: 0.5625rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent-cyan);
    display: block;
    margin-bottom: 0.75rem;
}

.prose-highlight p { margin: 0; font-size: 1rem; }

/* In-article CTA */
.prose-cta {
    padding: 2rem;
    border: 1px solid rgba(255,184,0,0.2);
    border-radius: 1.25rem;
    background: rgba(255,184,0,0.03);
    margin: 2.5rem 0;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.prose-cta p { margin: 0; color: var(--text-primary); font-weight: 500; flex: 1; }

/* ============================================
   Article Footer
   ============================================ */
.article-footer {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border-subtle);
}

.article-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 3rem;
    padding: 1.25rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 1rem;
}

.author-avatar {
    width: 44px;
    height: 44px;
    background: rgba(0,212,255,0.1);
    color: var(--accent-cyan);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    flex-shrink: 0;
}

.article-author strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    color: var(--text-primary);
}

.article-author span {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* ============================================
   Related Articles
   ============================================ */
.related-grid {
    display: grid;
    gap: 1rem;
    margin-top: 1.5rem;
}

@media (min-width: 640px) {
    .related-grid { grid-template-columns: repeat(2, 1fr); }
}

.related-card {
    padding: 1.25rem;
    border: 1px solid var(--border-subtle);
    border-radius: 1rem;
    background: var(--bg-secondary);
    transition: all 0.3s ease;
    display: block;
    text-decoration: none;
    color: inherit;
}

.related-card:hover {
    border-color: rgba(0,212,255,0.2);
    transform: translateY(-2px);
}

.related-tag {
    font-family: var(--font-mono);
    font-size: 0.5625rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-cyan);
    display: block;
    margin-bottom: 0.5rem;
}

.related-card h3 {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.4;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    .blog-main { padding-top: 60px; }
    .blog-hero { padding: 3rem 0 2rem; }
    .article-main { padding-top: 60px; }
    .article-header { padding: 3rem 0 2rem; }
    .article-hero-band { height: 140px; }
    .article-hero-icons { gap: 0.75rem; }
    .prose { font-size: 1rem; }
    .prose-cta { flex-direction: column; align-items: flex-start; }
    .blog-cta { padding: 4rem 0; }
}