/* Guide (article) pages */
.guide { padding: 28px 0 64px; }
.guide-container { max-width: 780px; }
.guide .breadcrumb { margin-bottom: 18px; }
.guide-kicker { margin: 0 0 8px; font-size: 13px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--accent); }
.guide h1 { margin: 0 0 14px; font-size: clamp(28px, 5vw, 40px); line-height: 1.15; letter-spacing: -0.02em; }
.guide-lead { margin: 0 0 14px; font-size: 18px; line-height: 1.6; color: var(--text-secondary); }
.guide-meta { margin: 0 0 22px; font-size: 14px; color: var(--text-muted); }
.guide-meta strong { color: var(--text-primary); }
.guide-hero { margin: 0 0 30px; border-radius: var(--radius-lg); overflow: hidden; background: linear-gradient(135deg, #e8effe 0%, #dbeafe 55%, #fef3c7 100%); }
.guide-hero svg, .guide-hero img { display: block; width: 100%; height: auto; }
.guide-body { font-size: 17px; line-height: 1.75; color: var(--text-primary); }
.guide-body h2 { margin: 44px 0 12px; font-size: 26px; line-height: 1.25; letter-spacing: -0.01em; }
.guide-body h3 { margin: 28px 0 8px; font-size: 19px; }
.guide-body p { margin: 0 0 18px; }
.guide-body a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.guide-body ul, .guide-body ol { margin: 0 0 20px; padding-left: 22px; }
.guide-body li { margin-bottom: 8px; }
.guide-formula { margin: 8px 0 22px; padding: 18px 20px; background: var(--card); border: 1px solid var(--border); border-left: 4px solid var(--accent); border-radius: var(--radius-md); font-size: 20px; text-align: center; overflow-x: auto; }
.guide-formula small { display: block; margin-top: 8px; font-size: 14px; color: var(--text-secondary); }
.guide-steps { counter-reset: step; list-style: none; padding-left: 0 !important; }
.guide-steps li { counter-increment: step; position: relative; padding: 4px 0 4px 44px; }
.guide-steps li::before { content: counter(step); position: absolute; left: 0; top: 3px; width: 30px; height: 30px; border-radius: 50%; background: var(--accent-tint); color: var(--accent); font-weight: 700; font-size: 15px; text-align: center; line-height: 30px; }
.guide-figure { margin: 28px 0 30px; padding: 18px 16px 14px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); }
.guide-figure { overflow-x: auto; }
.guide-figure .chart { display: block; width: 100%; height: auto; min-width: 600px; }
.guide-figure .chart-narrow { min-width: 440px; }
.guide-figure::before { display: none; content: 'Swipe sideways to see the whole chart'; margin: 0 0 8px; font-size: 12px; color: var(--text-muted); }
.guide-figure figcaption { margin-top: 10px; font-size: 14px; line-height: 1.55; color: var(--text-secondary); }
.guide-data { margin: -14px 0 28px; font-size: 15px; }
.guide-data summary { cursor: pointer; color: var(--accent); font-weight: 600; padding: 6px 0; }
.guide-takeaways { margin: 24px 0 28px; padding: 18px 22px; background: var(--accent-tint); border-radius: var(--radius-md); }
.guide-takeaways h3 { margin: 0 0 8px; font-size: 17px; }
.guide-takeaways ul { margin: 0; }
.guide-takeaways li { margin-bottom: 6px; }
.guide-note { margin: 22px 0; padding: 14px 18px; background: #fffbeb; border: 1px solid #fde68a; border-radius: var(--radius-md); font-size: 15px; line-height: 1.6; }
.guide-sources { font-size: 15px; }
.guide-disclaimer { margin: 34px 0 0 !important; padding-top: 16px; border-top: 1px solid var(--border); font-size: 13px; line-height: 1.6; color: var(--text-muted); }
.guide-tools { margin-top: 48px; }
.guide-tools h2 { font-size: 24px; margin: 0 0 14px; }
.guide .faq-item { margin-bottom: 16px; }
.guide .faq-item h3 { margin: 0 0 6px; font-size: 17px; }
.guide .faq-item p { margin: 0; font-size: 16px; }
.guide-list { display: grid; gap: 16px; margin-top: 24px; }
.guide-card { display: block; padding: 22px 24px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); text-decoration: none; color: inherit; }
.guide-card:hover { border-color: var(--accent); }
.guide-card .guide-kicker { margin-bottom: 6px; }
.guide-card h2 { margin: 0 0 8px; font-size: 22px; }
.guide-card p { margin: 0; color: var(--text-secondary); }
@media (max-width: 700px) {
  .guide-figure::before { display: block; }
}
@media (max-width: 600px) {
  .guide { padding-top: 18px; }
  .guide-body { font-size: 16px; }
  .guide-body h2 { font-size: 22px; margin-top: 36px; }
  .guide-formula { font-size: 17px; padding: 14px; }
}
.guide-card h3 { margin: 0 0 8px; font-size: 19px; line-height: 1.3; }
.home-guides, .home-about { padding: 8px 0 40px; }
.home-guides h2, .home-about h2 { margin: 0 0 8px; font-size: 28px; letter-spacing: -0.01em; }
.home-guides .guide-list { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.home-more { margin: 18px 0 0; font-weight: 600; }
.home-more a { color: var(--accent); text-decoration: none; }
.home-about p { max-width: 760px; font-size: 16px; line-height: 1.7; color: var(--text-secondary); }
.home-about a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }