/* HelloSEO — blog article layout & typography.
   Relies on tokens from styles.css and primitives from assets/site.css. */

/* Article meta on hero */
.article-meta { display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: center; margin-top: 22px; font-size: 13.5px; color: rgba(255,255,255,0.75); }
.article-meta .am-cat { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.16); color: #fff; font-weight: 500; }
.article-meta .am-dot { color: rgba(255,255,255,0.4); }

/* 2-column reading layout: content + sticky TOC */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 760px) 250px;
  gap: 56px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 32px;
  align-items: start;
}
.article-wrap { padding: clamp(48px, 6vw, 80px) 0; }

.toc {
  position: sticky;
  top: 100px;
  padding: 22px;
  border-radius: 18px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.toc h4 { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.07em; color: var(--ink-muted); margin: 0 0 14px; }
.toc a { display: block; font-size: 13.5px; color: var(--ink-soft); padding: 7px 0 7px 14px; border-left: 2px solid var(--line); transition: color 0.2s, border-color 0.2s; }
.toc a:hover, .toc a.active { color: var(--accent); border-left-color: var(--accent); }

@media (max-width: 1000px) {
  .article-layout { grid-template-columns: 1fr; gap: 0; }
  .toc { display: none; }
}

/* Article body typography */
.article-prose h2 {
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 48px 0 16px;
  padding-left: 18px;
  border-left: 4px solid var(--accent);
  scroll-margin-top: 100px;
}
.article-prose h3 { font-size: 20px; font-weight: 700; margin: 30px 0 12px; }
.article-prose p { font-size: 17px; line-height: 1.8; color: var(--ink-soft); margin-bottom: 18px; }
.article-prose .lead { font-size: 19px; line-height: 1.75; color: var(--ink); }
.article-prose strong { color: var(--ink); }
.article-prose a.inline { color: var(--accent); font-weight: 500; text-decoration: underline; text-underline-offset: 3px; }
.article-prose ul, .article-prose ol { margin: 0 0 20px; padding-left: 4px; list-style: none; }
.article-prose ul li, .article-prose ol li { position: relative; padding-left: 28px; margin-bottom: 11px; font-size: 16.5px; line-height: 1.7; color: var(--ink-soft); }
.article-prose ul li::before { content: ""; position: absolute; left: 4px; top: 11px; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.article-prose ol { counter-reset: step; }
.article-prose ol li::before { counter-increment: step; content: counter(step); position: absolute; left: 0; top: 1px; width: 22px; height: 22px; border-radius: 50%; background: var(--accent-soft); color: var(--accent-deep); font-size: 11px; font-weight: 700; display: flex; align-items: center; justify-content: center; }

/* Blockquote with gradient left border */
.article-prose blockquote {
  margin: 28px 0;
  padding: 18px 24px;
  background: var(--bg-soft);
  border-left: 4px solid transparent;
  border-image: linear-gradient(var(--accent), var(--violet)) 1;
  border-radius: 0 12px 12px 0;
  font-size: 18px;
  font-style: italic;
  color: var(--ink);
}

/* Key stat callout — gradient mini-card */
.stat-callout {
  margin: 30px 0;
  padding: 28px 30px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--violet) 100%);
  color: #fff;
  box-shadow: 0 18px 50px -18px color-mix(in oklab, var(--accent) 55%, transparent);
}
.stat-callout .big { font-family: var(--font-display); font-weight: 800; font-size: clamp(30px, 4vw, 40px); line-height: 1; letter-spacing: -0.02em; }
.stat-callout .small { font-size: 15px; color: rgba(255,255,255,0.85); margin-top: 8px; }

/* FAQ inside article reuses .faq-item from site.css */
.article-prose .faq-item summary { font-size: 16px; }

/* Related articles */
.related { padding: 0 0 clamp(56px, 7vw, 90px); }
.related .container { max-width: 1100px; }
.related h2 { font-size: clamp(24px, 3vw, 32px); margin-bottom: 28px; text-align: center; }

/* Related article cards */
.related .post-thumb { display: flex; align-items: flex-end; padding: 16px; color: #fff; height: 120px; }
.related .pt-tag { font-family: var(--font-mono); font-size: 11px; letter-spacing: .05em; text-transform: uppercase; background: rgba(255,255,255,0.18); padding: 5px 10px; border-radius: 999px; }
.related .post-card h3 { font-size: 17px; margin: 0 0 14px; }
.related .post-link { display: inline-flex; align-items: center; gap: 6px; padding: 9px 16px; border-radius: 999px; border: 1px solid var(--line); font-size: 13.5px; font-weight: 500; color: var(--ink); width: fit-content; margin-top: auto; }
.related .post-link:hover { background: var(--bg-soft); border-color: var(--ink-faint); }