/* Reading pages share the builder's brand, with one clear title and body. */
.article-footer a:hover { color: var(--blue); }
.article-site { min-width: 0; }
.article-main { width: min(760px, calc(100% - 48px)); margin-inline: auto; padding-block: 64px 80px; }
.article-title { margin-bottom: 36px; }
.article-title h1, .article-main > h1 { font-size: 42px; line-height: 1.16; letter-spacing: -.045em; overflow-wrap: break-word; }
.article-reviewed { margin-top: 16px; font-size: 12px; line-height: 1.7; color: var(--faint); }
.article-prose { font-size: 16px; line-height: 1.85; }
.article-prose > :first-child { margin-top: 0; }
.article-prose h2 { font-size: 23px; line-height: 1.35; letter-spacing: -.025em; margin: 34px 0 14px; }
.article-prose p { margin-block: 16px; }
.article-prose a, .article-related a { overflow-wrap: anywhere; }
.article-prose code { font-size: .9em; padding: 2px 5px; border: 1px solid var(--line); border-radius: 4px; color: var(--ink); background: var(--surface); }
.article-prose .guide-source { font-size: 13px; margin-top: 32px; }
.article-related { margin-top: 44px; padding-top: 26px; border-top: 1px solid var(--line); }
.article-related h2 { font-size: 18px; line-height: 1.5; letter-spacing: -.02em; }
.article-related ul { padding: 0; margin: 14px 0 0; list-style: none; display: flex; flex-direction: column; gap: 10px; }
.article-related a { min-height: 38px; display: inline-flex; align-items: center; color: var(--blue); font-size: 14px; font-weight: 650; text-decoration: underline; text-underline-offset: 4px; }
.article-directory { width: min(960px, calc(100% - 48px)); }
.article-guide-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.article-guide-card { border: 1px solid var(--line); border-radius: 12px; padding: 26px; display: flex; align-items: center; justify-content: space-between; gap: 20px; background: var(--bg); transition: border-color .16s, background-color .16s; }
.article-guide-card h2 { font-size: 20px; line-height: 1.45; letter-spacing: -.025em; }
.article-guide-card img { flex-shrink: 0; }
[data-theme="dark"] .article-guide-card img { filter: invert(.9); }
.article-guide-card:hover { border-color: var(--blue); background: var(--blue-tint); color: var(--blue); }
.article-footer { width: min(1120px, calc(100% - 64px)); margin-inline: auto; border-top: 1px solid var(--line); padding-block: 26px 32px; display: flex; align-items: center; justify-content: space-between; gap: 24px; color: var(--muted); font-size: 12px; }
.article-footer nav { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.article-footer a { min-height: 38px; display: inline-flex; align-items: center; }
@media (max-width: 767px) {
  .article-main, .article-directory { width: calc(100% - 40px); padding-block: 42px 56px; }
  .article-title { margin-bottom: 30px; }
  .article-title h1, .article-main > h1 { font-size: 33px; line-height: 1.2; }
  .article-prose { font-size: 15px; line-height: 1.85; }
  .article-prose h2 { font-size: 21px; margin-top: 30px; }
  .article-guide-grid { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .article-guide-card { padding: 23px 21px; }
  .article-guide-card h2 { font-size: 19px; }
  .article-related { margin-top: 34px; }
  .article-footer { width: calc(100% - 40px); flex-direction: column; align-items: flex-start; gap: 14px; padding-block: 22px 28px; font-size: 11px; }
  .article-footer nav { gap: 22px; }
  .article-footer a { min-height: 44px; }
}
@media (max-width: 374px) {
  .article-title h1, .article-main > h1 { font-size: 30px; }
}
@media (prefers-reduced-motion: reduce) {
  .article-guide-card { transition: none; }
}

/* Template resources extend the same native brand system as the editor.
   Preserve-mode: variance 4, motion 3, density 4. Previews show real email HTML. */
.template-directory, .template-detail { width: min(1120px, calc(100% - 64px)); }
.template-intro { max-width: 680px; margin-top: 20px; color: var(--muted); font-size: 16px; line-height: 1.8; }
.template-intro + .button { margin-top: 24px; }
.template-directory .article-title, .template-detail .article-title { margin-bottom: 40px; }
.template-directory .article-title h1, .template-detail .article-title h1 { max-width: 820px; font-size: clamp(34px, 4vw, 50px); }
.article-breadcrumbs { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; color: var(--muted); font-size: 12px; line-height: 1.6; }
.article-breadcrumbs a { display: inline-flex; align-items: center; min-height: 34px; }
.article-breadcrumbs a:hover { color: var(--blue); text-decoration: underline; text-underline-offset: 4px; }
.template-catalog-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px 24px; }
.template-catalog-card { display: block; min-width: 0; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--bg); transition: border-color .16s, transform .16s; }
.template-catalog-card:hover { border-color: var(--blue); transform: translateY(-3px); }
.template-card-preview { height: 280px; overflow: hidden; position: relative; background: var(--surface-2); }
.template-card-preview iframe { display: block; width: 100%; height: 1000px; border: 0; background: #fff; pointer-events: none; }
.template-card-preview::after { content: ""; position: absolute; inset: auto 0 0; height: 44px; background: linear-gradient(transparent, var(--surface-2)); pointer-events: none; }
.template-card-copy { padding: 24px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.template-card-copy h2 { font-size: 19px; line-height: 1.4; letter-spacing: -.025em; }
.template-card-copy img { flex-shrink: 0; }
[data-theme="dark"] .template-card-copy img { filter: invert(.9); }
.template-card-copy p { margin-top: 10px; color: var(--muted); font-size: 13px; line-height: 1.8; }
.template-card-copy .text-link { margin-top: 16px; min-height: 36px; font-size: 12px; }
.template-detail-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr); align-items: start; gap: 48px; }
.template-detail-preview { min-width: 0; padding: 20px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.template-detail-preview iframe { width: 100%; height: 880px; display: block; border: 1px solid var(--line); border-radius: 4px; background: #fff; }
.template-detail-preview figcaption, .template-preview-note { margin-top: 14px; color: var(--muted); font-size: 12px; line-height: 1.8; }
.template-detail-copy { min-width: 0; }
.template-detail-copy h2 { font-size: 23px; line-height: 1.4; letter-spacing: -.025em; margin-bottom: 16px; }
.template-detail-copy h3 { font-size: 16px; line-height: 1.5; letter-spacing: -.02em; }
.template-example-copy { font-size: 14px; line-height: 1.9; }
.template-example-copy p { margin-block: 12px; }
.template-example-copy dl { margin: 0 0 24px; }
.template-example-copy dt { font-size: 11px; font-weight: 700; color: var(--muted); margin-top: 16px; }
.template-example-copy dd { margin: 5px 0 0; color: var(--ink); }
.template-example-copy blockquote { margin: 20px 0; padding: 0 0 0 20px; border-left: 2px solid var(--line); }
.template-example-copy .template-body { white-space: pre-line; overflow-wrap: anywhere; }
.template-facts { display: grid; gap: 0; margin-block: 32px; padding-top: 28px; border-top: 1px solid var(--line); }
.template-facts h2, .template-customize h2 { font-size: 18px; margin-bottom: 10px; }
.template-facts p, .template-customize li { color: var(--muted); font-size: 13px; line-height: 1.85; }
.template-facts dl { margin: 0; display: grid; gap: 18px; }
.template-facts dt { color: var(--ink); font-size: 12px; font-weight: 700; margin-bottom: 6px; }
.template-facts dd { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.85; }
.template-example-cta { font-weight: 700; }
.template-customize { margin-top: 32px; }
.template-customize h3 { margin-bottom: 12px; }
.template-customize ul { padding-left: 20px; margin: 0 0 24px; }
.template-customize li + li { margin-top: 8px; }
.template-related { margin-top: 56px; padding-top: 32px; border-top: 1px solid var(--line); }
.template-related h2 { font-size: 22px; line-height: 1.4; letter-spacing: -.025em; margin-bottom: 18px; }
.template-related ul { padding: 0; margin: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 12px 28px; }
.template-related a, .template-resource-link { display: inline-flex; align-items: center; min-height: 40px; color: var(--blue); font-size: 13px; font-weight: 650; text-decoration: underline; text-underline-offset: 4px; }
.template-detail figure { margin: 0; }
@media (max-width: 1023px) {
  .template-catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .template-detail-grid { gap: 28px; }
  .template-detail-preview { padding: 12px; }
}
@media (max-width: 767px) {
  .template-directory, .template-detail { width: calc(100% - 40px); }
  .template-directory .article-title h1, .template-detail .article-title h1 { font-size: 34px; line-height: 1.2; }
  .template-intro { font-size: 15px; margin-top: 16px; }
  .template-catalog-grid { gap: 20px; }
  .template-card-copy { padding: 20px; }
  .template-detail-grid { grid-template-columns: minmax(0, 1fr); gap: 34px; }
  .template-detail-preview iframe { height: 760px; }
  .template-detail-preview { padding: 12px; }
  .template-facts { margin-block: 26px; }
  .template-related { margin-top: 40px; padding-top: 26px; }
}
@media (max-width: 600px) {
  .template-catalog-grid { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .template-card-preview { height: 310px; }
  .article-breadcrumbs { margin-bottom: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  .template-catalog-card { transition: none; }
  .template-catalog-card:hover { transform: none; }
}