/* Shared editorial pages and compact six-link navigation. */
.error-page { min-height: 65vh; padding-block: 100px; }
.error-page h1 { font-size: clamp(32px,4vw,56px); margin: 20px 0; }
.error-page p:last-child { max-width: 700px; font-size: 18px; line-height: 1.8; }
.error-page p a { color: #b3caff; text-decoration: underline; }
.site-footer.compact-footer { min-height: 0; padding: 32px 0; border-top: 1px solid #2b2e36; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.compact-footer .logo img { width: 76px; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; align-items: center; gap: 16px 26px; }
.footer-links a { font-size: 14px; line-height: 24px; color: #a6acb9; padding-block: 8px; }
.footer-links a:hover,.footer-links a[aria-current] { color: #fff; }
.skip-link { position: fixed; top: 10px; left: 10px; z-index: 100; padding: 12px 20px; background: #fff; color: #111; transform: translateY(-160%); }
.skip-link:focus { transform: none; }
.breadcrumbs { display: flex; gap: 13px; flex-wrap: wrap; padding-top: 32px; color: #9199a9; font-size: 14px; }
.breadcrumbs a:hover { color: #fff; }
.guide-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; padding: 53px 0 76px; }
.guide-hero h1 { font-size: clamp(38px,3.35vw,52px); line-height: 1.14; letter-spacing: -1.6px; font-weight: 500; }
.guide-hero h1 span { display: block; color: #b8c2d8; margin-top: 8px; }
.guide-accent { margin-top: 27px; font-size: 19px; color: #e2e7f0; }
.guide-lead { font-size: 17px; line-height: 1.7; margin: 15px 0 28px; max-width: 620px; }
.guide-meta { display: flex; flex-wrap: wrap; gap: 10px 20px; font-size: 12px; color: #8790a2; margin-top: 24px; }
.guide-hero-image { margin: 0; border-radius: 18px; border: 1px solid #304064; overflow: hidden; background: #12203b; }
.guide-hero-image img { width: 100%; height: auto; }
.guide-hero-image figcaption { font-size: 13px; color: #abbcd9; padding: 15px 20px; border-top: 1px solid #ffffff10; }
.guide-layout { display: grid; grid-template-columns: 205px minmax(0,830px); justify-content: space-between; gap: 60px; border-top: 1px solid var(--line); }
.guide-toc { align-self: start; position: sticky; top: 112px; margin-top: 60px; }
.guide-toc > p { font-size: 12px; letter-spacing: 1.4px; color: #73819a; margin-bottom: 20px; }
.guide-toc nav { display: grid; gap: 3px; }
.guide-toc a { color: #a2acbf; font-size: 14px; line-height: 23px; padding: 9px 0; }
.guide-toc a:hover { color: #fff; }
.guide-section { padding: 55px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 96px; }
.guide-section > .eyebrow { margin-bottom: 17px; }
.guide-section h2,.related-guides h2 { font-size: clamp(27px,2.55vw,36px); line-height: 1.22; letter-spacing: -.7px; font-weight: 500; margin-bottom: 25px; }
.guide-section > p:not(.eyebrow) { font-size: 17px; line-height: 1.8; color: #aeb5c2; margin-bottom: 19px; }
.guide-use-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; margin-top: 32px; }
.guide-use { padding: 25px 21px; background: #181d27; border: 1px solid #283247; border-radius: 14px; }
.use-number { color: #8da8de; font-size: 12px; letter-spacing: 1px; }
.guide-use h3 { font-size: 20px; line-height: 1.3; margin: 21px 0 14px; }
.guide-use p { font-size: 16px; line-height: 1.65; }
.guide-steps { padding: 0; margin: 30px 0 0; list-style: none; }
.guide-steps li { display: grid; grid-template-columns: 42px 1fr; gap: 20px; padding: 24px 0; border-top: 1px solid #252d3b; }
.guide-step-number { color: #7c9edb; font-size: 17px; padding-top: 2px; }
.guide-steps h3 { font-size: 22px; margin-bottom: 10px; }
.guide-steps p { font-size: 17px; line-height: 1.75; }
.guide-prompt { padding: 34px; border: 1px solid #3a507c; border-radius: 18px; background: linear-gradient(130deg,#1c2d4c,#141d2f); }
.guide-prompt .eyebrow { color: #9db9ed; margin-bottom: 18px; }
.guide-prompt h2 { margin-bottom: 13px; }
.prompt-hint { font-size: 15px; line-height: 1.7; color: #a6b5d0; }
.guide-prompt blockquote { margin: 25px 0 28px; padding: 0; font-size: 18px; line-height: 1.8; color: #d4ddec; }
.guide-table-wrap { overflow-x: auto; border: 1px solid #303a4a; border-radius: 14px; margin-top: 28px; }
.guide-table { width: 100%; border-collapse: collapse; font-size: 16px; line-height: 1.65; }
.guide-table th,.guide-table td { padding: 19px 20px; text-align: left; vertical-align: top; }
.guide-table thead { background: #1d2533; }
.guide-table thead th { font-weight: 500; color: #d2dcf0; }
.guide-table tbody th { font-weight: 400; color: #d1d7e2; width: 26%; }
.guide-table td { color: #a2adbf; }
.guide-table tbody tr { border-top: 1px solid #2b3240; }
.guide-checks { list-style: none; padding: 0; margin: 26px 0 0; }
.guide-checks li { padding: 18px 0 18px 34px; position: relative; font-size: 17px; line-height: 1.7; color: #b5becd; border-top: 1px solid #272d38; }
.guide-checks li::before { content: '✓'; position: absolute; left: 0; color: #9dbbfa; }
.guide-page .faq-items summary { font-size: 17px; line-height: 1.6; padding: 22px 0; }
.guide-page .faq-items p { font-size: 17px; line-height: 1.8; }
.guide-source { padding: 30px 0; font-size: 14px; line-height: 1.8; color: #7f899c; }
.guide-source a,.film figcaption a { text-decoration: underline; text-underline-offset: 4px; color: #9ab8ee; }
.film-intro .eyebrow { margin-bottom: 17px; }
.film-intro > p:last-child { font-size: 17px; line-height: 1.8; }
.film { margin: 28px 0 0; }
.film video { width: 100%; display: block; aspect-ratio: 16/9; object-fit: cover; border-radius: 14px 14px 0 0; background: #181e29; }
.film-controls { display: flex; align-items: center; gap: 18px; background: #1b2434; padding: 14px 18px; border-radius: 0 0 14px 14px; }
.film-toggle { font-size: 14px; min-height: 40px; color: #e0e8f8; background: none; border: 1px solid #496084; border-radius: 8px; padding: 7px 14px; min-width: 147px; }
.film-toggle:hover { background: #2a3850; }
.film-seek { flex: 1; min-width: 40px; accent-color: #91b2f4; }
.film-time { color: #aabbd8; font-size: 13px; font-variant-numeric: tabular-nums; }
.film figcaption { margin-top: 13px; font-size: 12px; line-height: 1.7; color: #8590a3; }
.film-error { font-size: 14px; padding-top: 12px; }
.related-guides { border-top: 1px solid var(--line); padding: 60px 0; margin-top: 40px; }
.related-heading .eyebrow { margin-bottom: 16px; }
.related-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.related-card { display: grid; grid-template-columns: 140px minmax(0,1fr); gap: 24px; align-items: center; padding: 20px; border: 1px solid #2d3544; border-radius: 16px; background: #151a24; }
.related-card:hover { border-color: #6079a8; background: #1a2333; }
.related-card img { width: 140px; border-radius: 9px; }
.related-card span { font-size: 12px; color: #859dcc; }
.related-card h3 { font-size: 21px; line-height: 1.3; margin: 8px 0 10px; }
.related-card p { font-size: 14px; line-height: 1.7; }
.guide-final { text-align: center; padding: 44px 0 84px; }
.guide-final h2 { font-size: 36px; font-weight: 500; letter-spacing: -.9px; max-width: 700px; margin: 0 auto 20px; }
.guide-final p { font-size: 17px; line-height: 1.7; margin-bottom: 28px; }
@media(max-width:1100px) {
  .guide-hero { gap: 32px; }
  .guide-layout { grid-template-columns: 165px minmax(0,1fr); gap: 36px; }
  .guide-use-grid { grid-template-columns: 1fr; }
  .guide-use { display: grid; grid-template-columns: 30px 1fr; column-gap: 12px; }
  .guide-use h3 { margin: 0 0 9px; }
  .guide-use p { grid-column: 2; }
  .related-card { display: block; }
  .related-card img { width: 100%; margin-bottom: 18px; }
  .footer-links { gap: 6px 18px; }
}
@media(max-width:767px) {
  .site-footer.compact-footer { padding: 28px 0; }
  .footer-inner { align-items: flex-start; flex-direction: column; gap: 20px; }
  .footer-links { display: grid; grid-template-columns: 1fr 1fr; width: 100%; gap: 2px 20px; }
  .footer-links a { min-height: 44px; }
  .breadcrumbs { padding-top: 24px; }
  .guide-hero { grid-template-columns: 1fr; padding: 34px 0 42px; gap: 32px; }
  .guide-hero h1 { font-size: 38px; letter-spacing: -1.2px; }
  .guide-accent { font-size: 18px; margin-top: 22px; }
  .guide-lead { font-size: 17px; }
  .guide-layout { display: block; }
  .guide-toc { position: static; margin: 28px 0 0; padding-bottom: 27px; border-bottom: 1px solid var(--line); }
  .guide-toc nav { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
  .guide-toc > p { margin-bottom: 12px; }
  .guide-section { padding: 38px 0; }
  .guide-section h2 { font-size: 29px; }
  .guide-section > p:not(.eyebrow),.guide-steps p,.guide-page .faq-items p { font-size: 16px; }
  .guide-steps li { gap: 11px; grid-template-columns: 32px 1fr; }
  .guide-steps h3 { font-size: 21px; }
  .guide-prompt { padding: 25px 22px; }
  .guide-prompt blockquote { font-size: 17px; line-height: 1.75; }
  .guide-table { min-width: 570px; }
  .guide-table th,.guide-table td { padding: 16px; }
  .related-guides { padding: 38px 0; margin-top: 18px; }
  .related-grid { grid-template-columns: 1fr; }
  .related-card { display: grid; grid-template-columns: 100px 1fr; gap: 16px; padding: 17px; }
  .related-card img { width: 100px; margin: 0; }
  .related-card h3 { font-size: 19px; }
  .related-card p { display: none; }
  .guide-final { padding: 30px 0 60px; }
  .guide-final h2 { font-size: 30px; }
  .film-controls { flex-wrap: wrap; gap: 12px; padding: 12px; }
  .film-toggle { min-width: 140px; }
  .film-seek { width: 70px; }
}