/* blog.css — blog index + long-form article system.
   Builds on colors_and_type.css + landing.css (nav, footer, mark) + components.css. */

.btn-primary {
  font-family: var(--font-sans); font-weight: 500; font-size: 1rem; letter-spacing: 0.005em;
  background: var(--accent-primary); color: var(--bg-elevated); text-decoration: none;
  padding: 14px 32px; border-radius: 4px;
  transition: background var(--dur-small) ease, transform var(--dur-small) ease;
}
.btn-primary:hover { background: var(--accent-primary-hover); transform: translateY(-1px); }

/* ---------- breadcrumb (shared with subpages) ---------- */
.blog-crumb {
  max-width: var(--max-frame); margin: 0 auto; padding: 28px 48px 0;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em;
  color: var(--text-tertiary); display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.blog-crumb a { color: var(--text-tertiary); text-decoration: none; }
.blog-crumb a:hover { color: var(--accent-primary); }
.blog-crumb .here { color: var(--accent-primary); }

/* =========================================================================
   BLOG INDEX
   ========================================================================= */
.blog-hero {
  max-width: var(--max-frame); margin: 0 auto; padding: 64px 48px 56px;
}
.blog-hero-eyebrow {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent-primary); margin: 0 0 22px;
}
.blog-hero h1 {
  font-family: var(--font-display); font-variation-settings: 'opsz' 72, 'wght' 500;
  font-size: clamp(2.4rem, 5vw, 4rem); line-height: 1.05; letter-spacing: -0.02em;
  color: var(--text-primary); margin: 0; max-width: 18ch; text-wrap: balance;
}
.blog-hero h1 em { font-style: italic; font-variation-settings: 'opsz' 144, 'wght' 400, 'ital' 1; color: var(--accent-primary); }
.blog-hero-lede {
  font-family: var(--font-sans); font-size: 1.25rem; line-height: 1.6;
  color: var(--text-secondary); max-width: 52ch; margin: 24px 0 0;
}

.blog-list {
  max-width: var(--max-frame); margin: 0 auto; padding: 8px 48px 112px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
}
.blog-card {
  display: flex; flex-direction: column; text-decoration: none;
  background: var(--bg-elevated); border: 1px solid var(--bg-paper); border-radius: 8px; overflow: hidden;
  transition: border-color var(--dur-small) ease, transform var(--dur-small) ease;
}
.blog-card:hover { border-color: var(--accent-primary); transform: translateY(-2px); }
.blog-card-art { aspect-ratio: 16 / 9; background: var(--bg-paper); display: block; }
.blog-card-art svg { width: 100%; height: 100%; display: block; }
.blog-card-body { padding: 24px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.blog-card-cat {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent-secondary); margin: 0 0 12px;
}
.blog-card-h {
  font-family: var(--font-display); font-variation-settings: 'opsz' 36, 'wght' 500;
  font-size: 1.4rem; line-height: 1.18; letter-spacing: -0.01em; color: var(--text-primary); margin: 0 0 12px;
}
.blog-card:hover .blog-card-h { color: var(--accent-primary); }
.blog-card-ex { font-family: var(--font-sans); font-size: 15px; line-height: 1.55; color: var(--text-secondary); margin: 0 0 18px; }
.blog-card-meta {
  margin-top: auto; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em;
  color: var(--text-tertiary); display: flex; gap: 14px;
}
.blog-soon {
  grid-column: 1 / -1; margin-top: 8px; padding-top: 28px; border-top: 1px solid var(--bg-paper);
  font-family: var(--font-display); font-style: italic;
  font-variation-settings: 'opsz' 24, 'wght' 450, 'ital' 1;
  font-size: 1.0625rem; color: var(--text-tertiary);
}

/* =========================================================================
   ARTICLE
   ========================================================================= */
.post-wrap {
  max-width: 1120px; margin: 0 auto; padding: 36px 48px 96px;
  display: grid; grid-template-columns: 1fr minmax(0, 680px) 1fr; gap: 0;
}
.post-wrap > * { grid-column: 2; }

.post-header { margin: 8px 0 36px; }
.post-cat {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent-primary); margin: 0 0 20px;
}
.post-h1 {
  font-family: var(--font-display); font-variation-settings: 'opsz' 72, 'wght' 500;
  font-size: clamp(2.2rem, 4.6vw, 3.4rem); line-height: 1.08; letter-spacing: -0.02em;
  color: var(--text-primary); margin: 0 0 24px; text-wrap: balance;
}
.post-h1 em { font-style: italic; font-variation-settings: 'opsz' 144, 'wght' 400, 'ital' 1; color: var(--accent-primary); }
.post-dek {
  font-family: var(--font-sans); font-size: 1.3rem; line-height: 1.5; color: var(--text-secondary);
  margin: 0 0 28px; max-width: 56ch;
}
.post-meta {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding-top: 22px; border-top: 1px solid var(--bg-paper);
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.04em; color: var(--text-tertiary);
}
.post-meta strong { color: var(--text-secondary); font-weight: 500; }
.post-meta .dot { color: var(--bg-paper); }

.post-figure { margin: 0 0 40px; }
.post-figure svg { width: 100%; height: auto; display: block; border-radius: 8px; border: 1px solid var(--bg-paper); background: var(--bg-elevated); }
.post-figure figcaption {
  margin-top: 12px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em;
  color: var(--text-tertiary); text-align: center;
}

/* TL;DR */
.post-tldr {
  background: var(--bg-elevated); border: 1px solid var(--bg-paper);
  border-left: 3px solid var(--accent-primary); border-radius: 6px;
  padding: 26px 30px; margin: 0 0 44px;
}
.post-tldr-h {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--accent-primary); margin: 0 0 16px;
}
.post-tldr ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.post-tldr li {
  font-family: var(--font-sans); font-size: 1.0625rem; line-height: 1.5; color: var(--text-primary);
  display: flex; gap: 12px;
}
.post-tldr li::before { content: ""; flex: 0 0 6px; width: 6px; height: 6px; margin-top: 9px; border-radius: 50%; background: var(--accent-primary); }

/* Table of contents */
.post-toc {
  background: var(--bg-primary); border: 1px solid var(--bg-paper); border-radius: 6px;
  padding: 22px 26px; margin: 0 0 48px;
}
.post-toc-h {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--text-tertiary); margin: 0 0 14px;
}
.post-toc ol { list-style: none; margin: 0; padding: 0; counter-reset: toc; display: flex; flex-direction: column; gap: 9px; }
.post-toc li { counter-increment: toc; }
.post-toc a {
  font-family: var(--font-sans); font-size: 1.0625rem; color: var(--text-primary); text-decoration: none;
  display: flex; gap: 12px; transition: color var(--dur-small) ease;
}
.post-toc a::before {
  content: counter(toc, decimal-leading-zero); font-family: var(--font-mono); font-size: 12px;
  color: var(--accent-primary); padding-top: 2px;
}
.post-toc a:hover { color: var(--accent-primary); }

/* Prose */
.post-body { font-family: var(--font-sans); }
.post-body h2 {
  font-family: var(--font-display); font-variation-settings: 'opsz' 48, 'wght' 500;
  font-size: clamp(1.7rem, 3vw, 2.2rem); line-height: 1.15; letter-spacing: -0.014em;
  color: var(--text-primary); margin: 56px 0 20px; scroll-margin-top: 96px; text-wrap: balance;
}
.post-body h3 {
  font-family: var(--font-display); font-variation-settings: 'opsz' 28, 'wght' 550;
  font-size: 1.3rem; line-height: 1.25; color: var(--text-primary); margin: 36px 0 14px;
}
.post-body p { font-size: 1.1875rem; line-height: 1.72; color: var(--text-primary); margin: 0 0 24px; }
.post-body a { color: var(--accent-primary); text-underline-offset: 3px; }
.post-body strong { font-weight: 600; }
.post-body ul, .post-body ol { margin: 0 0 28px; padding-left: 0; list-style: none; display: flex; flex-direction: column; gap: 12px; }
.post-body ul li { font-size: 1.1875rem; line-height: 1.6; color: var(--text-primary); display: flex; gap: 14px; }
.post-body ul li::before { content: ""; flex: 0 0 6px; width: 6px; height: 6px; margin-top: 11px; border-radius: 50%; background: var(--accent-primary); }
.post-body ol { counter-reset: pn; }
.post-body ol li { counter-increment: pn; font-size: 1.1875rem; line-height: 1.6; color: var(--text-primary); display: flex; gap: 14px; }
.post-body ol li::before { content: counter(pn) "."; font-family: var(--font-mono); color: var(--accent-primary); flex: 0 0 auto; }
.post-body .post-mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 0.92em; }

.post-quote {
  margin: 40px 0; padding: 4px 0 4px 28px; border-left: 2px solid var(--accent-primary);
  font-family: var(--font-display); font-variation-settings: 'opsz' 28, 'wght' 450, 'ital' 1;
  font-style: italic; font-size: 1.7rem; line-height: 1.35; color: var(--text-primary); max-width: 30ch;
}

.post-callout {
  background: var(--bg-elevated); border: 1px solid var(--bg-paper); border-radius: 6px;
  padding: 26px 30px; margin: 40px 0;
}
.post-callout-h {
  font-family: var(--font-display); font-variation-settings: 'opsz' 24, 'wght' 500; font-size: 1.2rem;
  color: var(--text-primary); margin: 0 0 10px;
}
.post-callout p { font-size: 1.0625rem; line-height: 1.6; color: var(--text-secondary); margin: 0; }

/* FAQ (static, editorial) */
.post-faq { margin: 64px 0 0; padding-top: 8px; border-top: 1px solid var(--bg-paper); }
.post-faq-h {
  font-family: var(--font-display); font-variation-settings: 'opsz' 48, 'wght' 500; font-size: 1.8rem;
  color: var(--text-primary); margin: 32px 0 8px;
}
.post-faq-item { padding: 24px 0; border-bottom: 1px solid var(--bg-paper); }
.post-faq-q {
  font-family: var(--font-display); font-variation-settings: 'opsz' 28, 'wght' 500; font-size: 1.2rem;
  color: var(--text-primary); margin: 0 0 10px;
}
.post-faq-a { font-family: var(--font-sans); font-size: 1.0625rem; line-height: 1.65; color: var(--text-secondary); margin: 0; }

/* author + related + cta */
.post-author {
  display: flex; gap: 18px; align-items: center; margin: 56px 0 0; padding: 26px 0 0; border-top: 1px solid var(--bg-paper);
}
.post-author-av { flex: 0 0 56px; width: 56px; height: 56px; border-radius: 50%; background-size: cover; background-position: center; }
.post-author-av.michal { background-image: url('assets/portrait-michal.webp'); }
.post-author-name { font-family: var(--font-display); font-variation-settings: 'opsz' 24, 'wght' 500; font-size: 1.15rem; color: var(--text-primary); margin: 0 0 4px; }
.post-author-role { font-family: var(--font-sans); font-size: 14px; color: var(--text-secondary); margin: 0; }

.post-cta {
  margin: 48px 0 0; background: var(--bg-deep); color: var(--text-on-deep);
  border-radius: 8px; padding: 44px 40px; text-align: center;
}
.post-cta h2 {
  font-family: var(--font-display); font-variation-settings: 'opsz' 48, 'wght' 500; font-size: 1.9rem;
  color: var(--text-on-deep); margin: 0 auto 14px; max-width: 22ch;
}
.post-cta h2 em { font-style: italic; font-variation-settings: 'opsz' 144, 'wght' 400, 'ital' 1; color: var(--accent-warm); }
.post-cta p { font-size: 1.0625rem; line-height: 1.6; color: rgba(245,240,230,0.74); margin: 0 auto 28px; max-width: 46ch; }
.post-cta a {
  display: inline-block; font-family: var(--font-sans); font-weight: 500; font-size: 1.0625rem;
  background: var(--accent-primary); color: var(--bg-elevated); text-decoration: none;
  padding: 15px 30px; border-radius: 4px; transition: background var(--dur-small) ease, transform var(--dur-small) ease;
}
.post-cta a:hover { background: var(--accent-primary-hover); transform: translateY(-1px); }

.post-related { margin: 56px 0 0; }
.post-related-h { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-tertiary); margin: 0 0 20px; }
.post-related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.post-related-card {
  display: block; text-decoration: none; background: var(--bg-elevated); border: 1px solid var(--bg-paper);
  border-radius: 6px; padding: 22px; transition: border-color var(--dur-small) ease, transform var(--dur-small) ease;
}
.post-related-card:hover { border-color: var(--accent-primary); transform: translateY(-2px); }
.post-related-card .rc-eyebrow { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-tertiary); margin: 0 0 10px; }
.post-related-card .rc-h { font-family: var(--font-display); font-variation-settings: 'opsz' 24, 'wght' 500; font-size: 1.2rem; color: var(--text-primary); margin: 0; }
.post-related-card:hover .rc-h { color: var(--accent-primary); }

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .blog-list { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .blog-hero { padding: 48px 24px 40px; }
  .blog-list { grid-template-columns: 1fr; padding: 8px 24px 80px; gap: 20px; }
  .blog-crumb { padding: 24px 24px 0; }
  .post-wrap { grid-template-columns: 1fr; padding: 24px 24px 72px; }
  .post-wrap > * { grid-column: 1; }
  .post-related-grid { grid-template-columns: 1fr; }
}