/* Public layouts. DESIGN.md token mapping and component rules follow below. */
:root {
  /* Canonical AIATC semantic tokens. Use these in all new public pages. */
  --color-brand-900: var(--color-text);
  --color-brand-700: var(--dark);
  --color-action: var(--blue);
  --color-action-hover: var(--blue);
  --color-emphasis: var(--gold);
  --color-canvas: var(--smoke);
  --color-surface-subtle: var(--smoke);
  --color-surface: #ffffff;
  --color-text: #444;
  --color-text-muted: var(--dark);
  --color-border: rgba(7, 29, 45, .14);
  --award-ink: var(--color-text);
  --award-deep: var(--dark);
  --award-teal: var(--blue);
  --award-mint: var(--smoke);
  --award-lime: var(--gold);
  --award-paper: var(--smoke);
  --award-white: #ffffff;
  --award-line: var(--color-border);
  --award-radius: 1.15rem;
  --award-shadow: 0 1.25rem 3.5rem rgba(7, 29, 45, .10);
}

html { overflow-x: clip; background: var(--award-paper); }
body { min-width: 0; max-width: 100%; overflow-x: hidden; color: var(--award-ink); background: var(--award-paper); }
*, *::before, *::after { box-sizing: border-box; min-width: 0; }
img, picture, video, iframe, svg, canvas { display: block; max-width: 100% !important; }
main, section, article, aside, div, p, li, a, td, th { overflow-wrap: break-word; }
.container { width: min(100% - clamp(2rem, 6vw, 6rem), 82rem); }

body, input, select, textarea, button { font-family: sans-serif, "PingFang", "Microsoft JhengHei"; }
body { font-size: clamp(1rem, .98rem + .12vw, 1.08rem); line-height: 1.8; }
h1, h2, h3, h4 { color: var(--award-ink); font-weight: 760; letter-spacing: -.045em; text-wrap: balance; }
h1 { max-width: 18ch; font-size: clamp(2.65rem, 7.6vw, 6.5rem); line-height: .98; }
h2 { font-size: clamp(1.9rem, 4vw, 3.6rem); line-height: 1.05; }
h3 { font-size: clamp(1.2rem, 1.8vw, 1.55rem); }
h2::before, h2::after { display: none; }
p, li { color: var(--dark); }
a { color: var(--blue); text-decoration-thickness: .09em; text-underline-offset: .2em; }
a:hover { color: var(--blue); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid var(--award-lime); outline-offset: 4px; }

/* Header and compact navigation */
.site-header { z-index: 200; border: 0; background: rgba(247, 248, 245, .88); box-shadow: 0 1px 0 rgba(7,29,45,.08); backdrop-filter: blur(18px); }
.site-header .header { min-height: 5.35rem; }
.site-header .header .logo img { width: clamp(7.5rem, 11vw, 9.5rem); }
.site-header .header .menu a { border-radius: 999px; color: var(--award-ink); font-size: .88rem; letter-spacing: .01em; }
.site-header .header .menu a:hover { background: var(--award-mint); color: var(--award-ink); }
.site-header .header .menu a.secondary { border-color: var(--award-ink); background: var(--award-ink); color: #fff; }
.site-header .header .menu a.secondary:hover { background: var(--award-teal); border-color: var(--award-teal); }

.btn, button.btn, .experience-actions .btn, .journey-actions .btn { display: inline-flex; align-items: center; justify-content: center; gap: .45rem; min-height: 3.2rem; max-width: 100%; padding: .75rem 1.25rem; border-radius: 999px; background: var(--award-ink); color: #fff; box-shadow: none; font-size: .95rem; font-weight: 760; text-align: center; }
.btn:hover, button.btn:hover, .experience-actions .btn:hover, .journey-actions .btn:hover { transform: translateY(-2px); background: var(--award-teal); color: var(--award-ink); box-shadow: 0 .7rem 1.6rem rgba(0,168,167,.22); }
.btn--outline, .experience-actions .btn--outline, .journey-actions .btn--outline { border: 1px solid var(--award-ink) !important; background: transparent !important; color: var(--award-ink) !important; }

/* Homepage: dark editorial opening, then alternating information bands */
._index .top { min-height: clamp(38rem, 72svh, 52rem); overflow: clip; background: var(--award-ink); }
._index .top::before { content: "AIATC / CERTIFICATION"; position: absolute; right: clamp(1.25rem, 5vw, 5rem); bottom: 1.25rem; color: rgba(200,255,93,.88); font-size: clamp(.65rem, 1vw, .85rem); font-weight: 800; letter-spacing: .18em; writing-mode: vertical-rl; }
._index .top::after { background: linear-gradient(112deg, rgba(7,29,45,.98) 5%, rgba(7,29,45,.82) 48%, rgba(7,29,45,.22) 100%); }
._index .top .container { display: grid; min-height: inherit; align-content: center; padding-block: clamp(6.25rem, 10vh, 9rem) clamp(3.5rem, 7vh, 6rem); }
._index .top .content { max-width: 55rem; padding-block: 0; }
._index .top .content h1 { max-width: min(100%, 15ch); font-size: clamp(2.35rem, 5.2vw, 5.5rem); line-height: 1.12; letter-spacing: -.055em; }
._index .top .kv { width: min(48%, 38rem); max-height: 100%; margin: 0; object-fit: contain; object-position: right bottom; pointer-events: none; }
._index .top .content h1 em { color: var(--award-lime); }
._index .top .content .action { display: flex; flex-wrap: wrap; }
._index .top .content .action .btn:nth-child(1) { background: var(--award-lime); color: var(--award-ink); }
._index .promotion { padding: clamp(3.5rem, 7vw, 6rem) 0; background: var(--smoke); }
._index .promotion__heading { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: clamp(1.25rem, 3vw, 2.25rem); }
._index .promotion__heading .eyebrow { color: var(--blue); }
._index .promotion__heading h2 { margin: .25rem 0 0; }
._index .promotion .banners { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(.8rem, 1.5vw, 1.25rem); }
._index .promotion-card { min-width: 0; overflow: hidden; border: 1px solid var(--award-line); border-radius: var(--award-radius); background: #fff; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
._index .promotion-card:hover { transform: translateY(-.35rem); border-color: var(--award-teal); box-shadow: var(--award-shadow); }
._index .promotion-card > a { display: flex; height: 100%; flex-direction: column; color: inherit; text-decoration: none; }
._index .promotion-card__media { overflow: hidden; background: #fff; }
._index .promotion-card__media img { width: 100%; aspect-ratio: 2 / 1; object-fit: cover; transition: transform .35s ease; }
._index .promotion-card:hover .promotion-card__media img { transform: scale(1.035); }
._index .promotion-card__body { display: grid; grid-template-rows: auto auto 1fr; gap: .3rem; min-height: 10.75rem; padding: clamp(1rem, 2vw, 1.45rem); }
._index .promotion-card__type { color: var(--blue); font-size: .74rem; font-weight: 800; letter-spacing: .13em; }
._index .promotion-card h3 { margin: 0; color: var(--award-ink); font-size: clamp(1.3rem, 2vw, 1.65rem); line-height: 1.2; }
._index .promotion-card__link { align-self: end; padding-top: .85rem; color: var(--award-ink); font-size: .92rem; font-weight: 800; }
._index .promotion-card__link b { margin-left: .25rem; color: var(--award-teal); font-size: 1.15em; }
.journey { position: relative; isolation: isolate; padding: clamp(5rem, 10vw, 9rem) 0; background: var(--award-ink); }
.journey::before { content: "01 — 02 — 03"; position: absolute; right: clamp(1rem, 5vw, 5rem); top: 1.1rem; z-index: -1; color: rgba(200,255,93,.13); font-size: clamp(2rem, 6vw, 6rem); font-weight: 800; letter-spacing: -.08em; }
.journey__intro { max-width: 58rem; margin-bottom: clamp(2rem, 4vw, 3.5rem); }
.journey .eyebrow { color: var(--award-lime); }
.journey h2 { max-width: 14ch; margin: .35rem 0 1rem; color: #fff; font-size: clamp(2.35rem, 5.2vw, 4.8rem); }
.journey__intro > p { max-width: 54ch; color: rgba(255,255,255,.75); font-size: clamp(1.05rem, 1.5vw, 1.25rem); }
.journey .path-grid { gap: 1px; border: 1px solid rgba(255,255,255,.28); background: rgba(255,255,255,.28); }
.journey .path-step { display: flex; flex-direction: column; min-height: 20rem; padding: clamp(1.5rem, 3vw, 2.5rem); border: 0; border-radius: 0; background: #fff; box-shadow: none; }
.journey .path-step h3 { margin: 1.25rem 0 .65rem; color: var(--award-ink); font-size: clamp(1.55rem, 2.2vw, 2.1rem); font-weight: 800; letter-spacing: -.04em; }
.journey .path-step p { margin: 0; color: var(--dark); font-size: 1.03rem; line-height: 1.75; }
.journey .path-step a { display: inline-flex; align-items: center; width: fit-content; margin-top: auto; padding-top: 1.35rem; border-bottom: 2px solid var(--award-teal); color: var(--award-ink); font-weight: 800; text-decoration: none; }
.journey .path-step a:hover { color: var(--award-teal); border-bottom-color: var(--award-lime); }
.path-step__number { width: 3.5rem; height: 3.5rem; border-radius: 50%; background: var(--award-ink); color: var(--award-lime); font-size: 1.15rem; font-weight: 800; }
.journey-actions { margin-top: clamp(1.75rem, 3vw, 2.5rem); }
.journey-actions .btn { background: var(--award-lime); color: var(--award-ink); }.journey-actions .btn--outline { border-color: rgba(255,255,255,.75) !important; color: #fff !important; }
._index .info, ._index .certificates, ._index .articles, ._index .enterprise { padding: clamp(3.5rem, 7vw, 6rem) 0; }
._index .info { background: var(--award-paper); }
._index .info .info-row { align-items: start; gap: clamp(1rem, 3vw, 3rem); }
._index .info .news, ._index .info .about, ._index .info .period { border: 1px solid var(--award-line); border-radius: var(--award-radius); background: #fff; box-shadow: none; }
._index .info .news { border-top: .35rem solid var(--award-teal); }
._index .certificates { background: var(--award-ink); }
._index .certificates h2, ._index .certificates p, ._index .certificates li { color: #fff; }
._index .certificates .certificate-list .item { border: 1px solid rgba(255,255,255,.24); background: rgba(255,255,255,.06); color: #fff; }
._index .certificates .certificate-list .item .title { background: transparent; color: var(--award-lime); }
._index .articles { background: #fff; }
._index .articles .article-list { gap: clamp(.8rem, 1.5vw, 1.25rem); }
._index .articles .article-list .item { border: 1px solid var(--award-line); border-radius: var(--award-radius); box-shadow: none; transition: transform .25s ease, box-shadow .25s ease; }
._index .articles .article-list .item:hover { transform: translateY(-.35rem); box-shadow: var(--award-shadow); }
._index .enterprise { background: var(--smoke); }
._index .enterprise .logo-list { display: flex; align-items: stretch; justify-content: space-between; gap: clamp(.5rem, 1.6vw, 1.5rem); width: 100%; }
._index .enterprise .logo-list img { width: auto; max-width: min(11vw, 7.5rem); height: 5.8rem; max-height: none; margin: 0; padding: .9rem; flex: 1 1 0; border: 1px solid rgba(7,29,45,.1); border-radius: .8rem; background: #fff; object-fit: contain; }

/* Candidate and trust pages */
.experience-hero { position: relative; overflow: hidden; padding: clamp(5rem, 12vw, 10rem) 0 clamp(3.5rem, 7vw, 6rem); background: var(--award-paper); border-bottom: 0; }
.experience-hero::after { content: ""; position: absolute; width: min(35vw, 30rem); aspect-ratio: 1; right: -10rem; top: -11rem; border: clamp(1.5rem, 4vw, 4rem) solid var(--award-lime); border-radius: 50%; opacity: .8; pointer-events: none; }
.experience-hero .container { position: relative; z-index: 1; }
.experience-hero .eyebrow, .eyebrow { color: var(--blue); font-weight: 800; letter-spacing: .16em; }
.experience-hero p { max-width: 62ch; font-size: clamp(1.05rem, 1.5vw, 1.3rem); }
.experience-main { padding: clamp(3rem, 6vw, 5.25rem) 0; background: #fff; }
.card-grid, .session-grid, .path-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(.8rem, 1.5vw, 1.25rem); }
.experience-card, .session-card, .notice-card, .path-step { min-width: 0; border: 1px solid var(--award-line); border-radius: var(--award-radius); background: var(--award-white); box-shadow: none; }
.experience-card { padding: clamp(1.1rem, 2vw, 1.55rem); }
.experience-card:hover, .session-card:hover { border-color: var(--award-teal); }
.session-card { padding: clamp(1.15rem, 2vw, 1.65rem); background: var(--award-paper); }
.status { background: var(--award-mint); color: var(--award-ink); }.status--planned { background: var(--smoke); color: var(--award-deep); }
.facts { grid-template-columns: minmax(5rem, max-content) minmax(0, 1fr); }
.callout { margin-block: clamp(1.5rem, 3vw, 2.5rem); padding: clamp(1.15rem, 2.5vw, 1.7rem); border: 0; border-left: .45rem solid var(--award-teal); background: var(--award-mint); }
.process { max-width: 60rem; counter-reset: step; }.process li { padding: .55rem 0 1.75rem 4.25rem; }.process li:before { width: 2.7rem; height: 2.7rem; background: var(--award-ink); color: var(--award-lime); }

/* Long-form information, articles, FAQs and forms */
._faq .top, ._article .top, ._apply .top { padding: clamp(5rem, 10vw, 9rem) 0 4rem; background: var(--award-mint); border: 0; }
._faq .top h1, ._article .top h1, ._apply .top h1 { max-width: 17ch; }
._faq .faq-content, ._article .article-content, ._apply .apply .main-content { width: min(100% - clamp(2rem, 6vw, 6rem), 56rem); max-width: 56rem; margin: clamp(2rem, 5vw, 5rem) auto; padding: clamp(1.35rem, 4vw, 3.5rem); border: 1px solid var(--award-line); border-radius: var(--award-radius); box-shadow: none; }
._article .article-content { font-size: 1.06rem; }
._article .article-content > * + * { margin-top: 1.25rem; }
._faq .faq-nav { border: 0; border-radius: var(--award-radius); background: var(--award-ink); box-shadow: none; }
._faq .faq-nav a { color: #fff; }. _faq .faq-nav a:hover { color: var(--award-lime); }
._faq .faq-content h3 { border-color: var(--award-line); }
._apply .apply .main-content .confirm { border: 0; background: var(--award-mint); }
input, select, textarea { max-width: 100%; border-radius: .6rem !important; border-color: var(--award-line) !important; }

/* Do not allow data-heavy content to widen the page. */
table { display: table; width: 100% !important; max-width: 100%; min-width: 0 !important; table-layout: fixed; overflow: hidden; border: 1px solid var(--award-line); border-radius: .75rem; }
th, td { min-width: 0 !important; padding: clamp(.65rem, 1.5vw, 1rem); white-space: normal !important; word-break: break-word; }
pre, code { max-width: 100%; white-space: pre-wrap; overflow-wrap: anywhere; }

@media (max-width: 1299px) {
  .site-header .header .menu.active, .experience-page .site-header .header .menu.active { z-index: 300; width: min(25rem, 92vw) !important; background: var(--award-paper); }
  .site-header .header .menu.active a, .experience-page .site-header .header .menu.active a { border-bottom-color: var(--award-line); }
}
@media (max-width: 960px) {
  ._index .promotion .banners, .card-grid, .session-grid, .path-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  ._index .info .info-row { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .container { width: min(100% - 2rem, 44rem); }
  h1 { font-size: clamp(2.5rem, 13vw, 4rem); }
  .site-header .header { min-height: 4.75rem; }
  ._index .top { min-height: auto; overflow: hidden; }. _index .top::before { display: none; }
  ._index .top .container { min-height: 0; padding-block: 6.5rem 3.5rem; }
  ._index .top .content { padding-block: 0; }. _index .top .content h1 { max-width: 12ch; font-size: clamp(2.25rem, 11vw, 3.6rem); line-height: 1.12; }. _index .top .content .action { display: grid; grid-template-columns: 1fr; }
  ._index .top .kv { position: absolute; top: auto; right: -17%; bottom: -4%; width: 85%; height: auto; max-height: 55%; margin: 0; opacity: .15; }
  ._index .promotion .banners, .card-grid, .session-grid, .path-grid { grid-template-columns: 1fr; }
  ._index .promotion__heading { display: block; }
  ._index .promotion-card__body { min-height: 0; }
  ._index .enterprise .logo-list { flex-wrap: wrap; justify-content: center; }
  ._index .enterprise .logo-list img { flex: 0 1 5.4rem; max-width: 5.4rem; height: 4.4rem; margin: .25rem; padding: .65rem; }
  .journey::before { font-size: 3rem; top: .75rem; }.journey .path-grid { gap: 1px; }.journey .path-step { min-height: 0; }.journey .path-step a { margin-top: 1.5rem; }
  .experience-hero::after { width: 15rem; right: -7rem; top: -5rem; }
  .experience-actions, .journey-actions { display: grid; grid-template-columns: 1fr; }.experience-actions .btn, .journey-actions .btn { width: 100%; }
  ._faq .faq-content, ._article .article-content, ._apply .apply .main-content { width: min(100% - 2rem, 56rem); }
  table, tbody, tr, th, td { display: block; width: 100%; } thead { display: none; } td + td { border-top: 1px solid var(--award-line); }
}

/* Editorial reading system for CMS-originated inner pages and web guides. */
._faq .main, ._article .main, ._apply .main { background: var(--smoke); }
._faq .top, ._article .top, ._apply .top { position: relative; overflow: hidden; padding: clamp(5.5rem, 10vw, 9rem) 0 clamp(3.25rem, 6vw, 5rem); background: var(--award-ink); }
._faq .top::after, ._article .top::after, ._apply .top::after { content: ""; position: absolute; width: min(32vw, 24rem); aspect-ratio: 1; right: -8rem; top: -12rem; border: clamp(1.2rem, 3vw, 3rem) solid var(--award-lime); border-radius: 50%; opacity: .88; }
._faq .top .container, ._article .top .container, ._apply .top .container { position: relative; z-index: 1; }
._faq .top h1, ._article .top h1, ._apply .top h1 { max-width: min(100%, 17ch); margin: 0; color: #fff; font-size: clamp(2.35rem, 5.5vw, 5.6rem); line-height: 1.08; }
._faq .main > .container { display: grid; grid-template-columns: minmax(12.5rem, 15rem) minmax(0, 1fr); align-items: start; gap: clamp(1.25rem, 4vw, 4.5rem); padding-block: clamp(2rem, 5vw, 5rem); }
.single-column-page .main > .container { grid-template-columns: minmax(0, 56rem); justify-content: center; }
._faq .faq-nav { position: sticky; top: 6.5rem; display: block; width: auto; min-width: 12.5rem; margin: 0; padding: 1.35rem; border: 0; border-radius: var(--award-radius); background: var(--award-ink); box-shadow: none; }
._faq .faq-nav > div { margin: 0; padding: 0; border: 0; }
._faq .faq-nav strong { display: block; margin-bottom: .85rem; color: var(--award-lime); font-size: .8rem; letter-spacing: .12em; }
._faq .faq-nav strong a { color: inherit; text-decoration: none; }
._faq .faq-nav ul { display: grid; gap: .25rem; margin: 0; padding: 0; list-style: none; }
._faq .faq-nav li { margin: 0; padding: 0; }
._faq .faq-nav a { display: block; padding: .55rem 0; color: rgba(255,255,255,.82); font-size: .92rem; line-height: 1.45; text-decoration: none; }
._faq .faq-nav a:hover { color: var(--award-lime); }
._faq .faq-content { width: auto; max-width: 100%; margin: 0; padding: clamp(1.4rem, 4vw, 4rem); border: 0; border-radius: var(--award-radius); background: #fff; box-shadow: var(--award-shadow); }
._faq .faq-content > :first-child { margin-top: 0; }
._faq .faq-content h2 { margin: 0 0 1.5rem; padding-bottom: 1.25rem; border-bottom: 1px solid var(--award-line); }
._faq .faq-content h3 { margin-top: clamp(2.5rem, 5vw, 4rem); padding-top: 1rem; color: var(--award-ink); font-size: clamp(1.45rem, 2.8vw, 2.2rem); line-height: 1.25; }
._faq .faq-content h4 { margin-top: 2rem; color: var(--blue); font-size: 1.08rem; letter-spacing: .02em; }
._faq .faq-content hr { height: 1px; margin: clamp(2.5rem, 5vw, 4rem) 0; border: 0; background: var(--award-line); }
._faq .faq-content .back { display: inline-flex; margin: 1.25rem 0 0; }
._faq .faq-content .back a { display: inline-flex; align-items: center; gap: .35rem; color: var(--blue); font-size: .88rem; font-weight: 800; text-decoration: none; }
._article .article { padding: clamp(2rem, 5vw, 5rem) 0; }
._article .article .container { display: grid; grid-template-columns: minmax(0, 52rem); justify-content: center; }
._article .article .main-content { width: auto; max-width: none; margin: 0; padding: clamp(1.5rem, 4.5vw, 4.5rem); border: 0; border-radius: var(--award-radius); background: #fff; box-shadow: var(--award-shadow); font-size: clamp(1rem, .97rem + .2vw, 1.13rem); line-height: 1.9; }
._article .post-date { display: inline-flex; align-items: center; gap: .4rem; margin-bottom: 2rem; padding: .45rem .8rem; border-radius: 999px; background: var(--award-mint); color: var(--blue); font-size: .85rem; font-weight: 800; }
._article .article-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-top: 1.25rem; }
._article .article-nav a { min-width: 0; padding: 1.2rem; border: 1px solid var(--award-line); border-radius: var(--award-radius); background: #fff; color: var(--award-ink); text-decoration: none; }
._article .article-nav a > div:first-child { margin-bottom: .35rem; color: var(--blue); font-size: .8rem; font-weight: 800; letter-spacing: .08em; }
._article .article-nav .title { font-weight: 760; line-height: 1.45; }
._apply .apply { padding: clamp(2rem, 5vw, 5rem) 0; }
._apply .apply .main-content { width: min(100%, 70rem); max-width: none; margin: 0 auto; padding: clamp(1.4rem, 4vw, 3.5rem); border: 0; border-radius: var(--award-radius); background: #fff; box-shadow: var(--award-shadow); }
._apply .apply .main-content > .logo { padding: 1rem; border-radius: .8rem; background: var(--award-paper); }
._apply .apply .main-content > h2 { margin-top: clamp(2rem, 4vw, 3.5rem); }
.guide-page { background: var(--smoke); }
.guide-hero { position: relative; overflow: hidden; padding: clamp(5.5rem, 10vw, 9rem) 0 clamp(3.25rem, 6vw, 5rem); background: var(--award-ink); }
.guide-hero::after { content: ""; position: absolute; width: min(34vw, 26rem); aspect-ratio: 1; right: -9rem; top: -13rem; border: clamp(1.2rem, 3vw, 3rem) solid var(--award-lime); border-radius: 50%; }
.guide-hero .container { position: relative; z-index: 1; }.guide-hero .eyebrow { color: var(--award-lime); }.guide-hero h1 { max-width: min(100%, 16ch); margin: .5rem 0 1rem; color: #fff; font-size: clamp(2.4rem, 5.6vw, 5.75rem); line-height: 1.08; }.guide-hero p { max-width: 55ch; color: rgba(255,255,255,.78); font-size: clamp(1.05rem, 1.7vw, 1.3rem); }
.guide-main { padding: clamp(2rem, 5vw, 5rem) 0 clamp(4rem, 8vw, 7rem); }.guide-layout { display: grid; grid-template-columns: minmax(13rem, 16rem) minmax(0, 1fr); align-items: start; gap: clamp(1.25rem, 4vw, 4.5rem); }.guide-aside { position: sticky; top: 6.5rem; padding: 1.4rem; border-radius: var(--award-radius); background: #fff; box-shadow: 0 .6rem 1.5rem rgba(7,29,45,.07); }.guide-aside h2 { margin-top: 0; font-size: 1.25rem; }.guide-aside dl { margin: 1rem 0 0; }.guide-aside dt { margin-top: .8rem; color: var(--blue); font-size: .74rem; font-weight: 800; letter-spacing: .1em; }.guide-aside dd { margin: .18rem 0 0; color: var(--award-ink); font-size: .92rem; line-height: 1.55; }.guide-document { padding: clamp(1.4rem, 4vw, 4rem); border-radius: var(--award-radius); background: #fff; box-shadow: var(--award-shadow); }.guide-document > :first-child { margin-top: 0; }.guide-document h2 { margin-top: clamp(2.5rem, 5vw, 4rem); }.guide-document h3 { margin-top: 2.25rem; font-size: clamp(1.35rem, 2.5vw, 1.85rem); }.guide-document p, .guide-document li { max-width: 68ch; }.guide-callout { margin: 1.5rem 0; padding: 1.25rem 1.35rem; border-left: .4rem solid var(--award-teal); background: var(--award-mint); }.guide-callout p { margin-bottom: 0; }.guide-domains { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin-top: 1.5rem; border: 1px solid var(--award-line); background: var(--award-line); }.guide-domain { min-width: 0; padding: 1.25rem; background: #fff; }.guide-domain__weight { color: var(--blue); font-size: 1.7rem; font-weight: 850; line-height: 1; }.guide-domain h3 { margin: .65rem 0 .35rem; font-size: 1.18rem; }.guide-domain p { margin: 0; font-size: .94rem; line-height: 1.65; }.guide-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: clamp(2rem, 4vw, 3.5rem); }.guide-actions .btn--outline { border-color: var(--award-ink) !important; color: var(--award-ink) !important; }
@media (max-width: 760px) { ._faq .main > .container, .guide-layout { grid-template-columns: 1fr; }. _faq .faq-nav, .guide-aside { position: static; }. _faq .faq-nav ul { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .2rem 1rem; }. _article .article-nav { grid-template-columns: 1fr; }.guide-domains { grid-template-columns: 1fr; } }
@media (max-width: 700px) { ._faq .top, ._article .top, ._apply .top, .guide-hero { padding-top: 6.5rem; }. _faq .top::after, ._article .top::after, ._apply .top::after, .guide-hero::after { width: 13rem; right: -5rem; top: -5rem; }. _faq .main > .container { padding-top: 1.5rem; }. _faq .faq-nav ul { grid-template-columns: 1fr; }. _faq .faq-content, ._article .article .main-content, ._apply .apply .main-content, .guide-document { padding: 1.35rem; } }

/* Certification-specific preparation library. */
.prep-intro { display: flex; align-items: end; justify-content: space-between; gap: 1.5rem; margin-bottom: clamp(1.5rem, 4vw, 3rem); }.prep-intro h2 { margin: .3rem 0 0; }.prep-intro > p { max-width: 40ch; margin: 0; }
.prep-certification-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(.8rem, 1.5vw, 1.25rem); }.prep-certification { display: flex; min-width: 0; min-height: 29rem; flex-direction: column; padding: clamp(1.2rem, 2.5vw, 2rem); border: 1px solid var(--award-line); border-radius: var(--award-radius); background: #fff; }.prep-certification--available { border-top: .45rem solid var(--award-teal); }.prep-certification__top { display: flex; align-items: center; justify-content: space-between; gap: .5rem; }.prep-certification__code { color: var(--blue); font-size: .8rem; font-weight: 850; letter-spacing: .13em; }.prep-certification h3 { margin: 1.35rem 0 .5rem; font-size: clamp(1.45rem, 2.5vw, 2.05rem); }.prep-certification > p { margin: 0; }.prep-certification ul { margin: 1.25rem 0 0; padding-left: 1.1rem; }.prep-certification li { margin: .45rem 0; font-size: .94rem; line-height: 1.55; }.prep-empty { margin-top: 1.35rem; padding: 1rem; border-radius: .7rem; background: var(--award-paper); }.prep-empty strong { color: var(--award-ink); }.prep-empty p { margin: .35rem 0 0; font-size: .92rem; line-height: 1.65; }.prep-certification__actions { display: grid; gap: .55rem; margin-top: auto; padding-top: 1.6rem; }.prep-certification__actions a { color: var(--award-ink); font-size: .92rem; font-weight: 800; text-decoration: none; }.prep-certification__actions a:hover { color: var(--blue); }.prep-certification__actions a::after { content: " ↗"; color: var(--award-teal); }.prep-library { margin-top: clamp(2.5rem, 6vw, 5rem); padding: clamp(1.4rem, 4vw, 3rem); border-radius: var(--award-radius); background: var(--award-ink); }.prep-library > .eyebrow { color: var(--award-lime); }.prep-library h2 { margin: .35rem 0 .75rem; color: #fff; }.prep-library > p { max-width: 62ch; color: rgba(255,255,255,.75); }.prep-library__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin-top: 1.6rem; border: 1px solid rgba(255,255,255,.26); background: rgba(255,255,255,.26); }.prep-library__grid article { min-width: 0; padding: 1.3rem; background: rgba(255,255,255,.06); }.prep-library__grid h3 { margin-top: 0; color: #fff; font-size: 1.15rem; }.prep-library__grid ul { margin: .8rem 0 0; padding: 0; list-style: none; }.prep-library__grid li { margin: .7rem 0; }.prep-library__grid a { color: #fff; font-size: .92rem; line-height: 1.55; }.prep-library__grid a:hover { color: var(--award-lime); }
@media (max-width: 960px) { .prep-certification-grid { grid-template-columns: 1fr; }.prep-certification { min-height: 0; }.prep-certification__actions { margin-top: 1rem; }.prep-library__grid { grid-template-columns: 1fr; } }
@media (max-width: 700px) { .prep-intro { display: block; }.prep-intro > p { margin-top: .85rem; } }

/* Unified public-page treatment. Dark fields remain reserved for the home and
   designated trust or learning sections; standard pages share this light canvas. */
:root { --ink: var(--color-brand-900); --ink-soft: var(--color-text-muted); --teal: var(--award-teal); --teal-dark: var(--color-action-hover); --canvas: var(--color-canvas); --surface: var(--color-surface); --line: var(--color-border); --accent: var(--color-action); --accent-dark: var(--color-action-hover); }
html, body, .main, .experience-page { background: var(--color-canvas); color: var(--color-text); }
p, li { color: var(--color-text-muted); } a { color: var(--color-action); } a:hover { color: var(--color-action-hover); }
.btn, button.btn, .experience-actions .btn, .journey-actions .btn { background: var(--color-brand-900); color: #fff; }
.btn:hover, button.btn:hover, .experience-actions .btn:hover, .journey-actions .btn:hover { background: var(--color-action); color: var(--color-brand-900); }
.btn--outline, .experience-actions .btn--outline, .journey-actions .btn--outline { border-color: var(--color-brand-900) !important; background: transparent !important; color: var(--color-brand-900) !important; }

.experience-hero, ._faq .top, ._article .top, ._apply .top, .guide-hero { background: var(--color-canvas); border: 0; }
.experience-hero::after, ._faq .top::after, ._article .top::after, ._apply .top::after, .guide-hero::after { border-color: var(--color-emphasis); opacity: .72; }
.experience-hero h1, ._faq .top h1, ._article .top h1, ._apply .top h1, .guide-hero h1 { color: var(--color-brand-900); }
.experience-hero p, .guide-hero p { color: var(--color-text-muted); }
.experience-card, .session-card, .path-step, .notice-card, .guide-document, ._faq .faq-content, ._article .article-content, ._apply .apply .main-content { border-color: var(--color-border); background: var(--color-surface); }
._apply .apply .main-content { --color: var(--color-brand-900) !important; --border: var(--color-border) !important; --btn: var(--color-brand-900) !important; }
._apply .apply .main-content .info { border-color: var(--color-border); }
.status { background: var(--color-surface-subtle); color: var(--color-action-hover); }.status--planned { background: var(--smoke); color: var(--dark); }
.callout, .guide-callout, ._apply .application-notice, ._apply .registration-handoff { border-left-color: var(--color-action); background: var(--color-surface-subtle); }

/* Certification-specific colours are deliberately limited to compact identity. */
.certificate-accent--aiatcl { border-color: #6a7a3f; }.certificate-accent--aiatcg { border-color: #597b9d; }

/* Professional interface refinement: quiet authority, not visual noise. */
:root {
  --color-canvas: var(--smoke);
  --color-surface-subtle: var(--smoke);
  --color-surface-raised: #ffffff;
  --color-border: rgba(7, 29, 45, .12);
  --color-border-strong: rgba(7, 29, 45, .2);
  --color-focus: var(--blue);
  --radius-control: .7rem;
  --radius-surface: 1rem;
  --radius-feature: 1.45rem;
  --shadow-1: 0 .25rem .85rem rgba(7, 29, 45, .045);
  --shadow-2: 0 1rem 2.75rem rgba(7, 29, 45, .09);
  --space-section: clamp(4.5rem, 8vw, 8rem);
  --award-radius: var(--radius-surface);
  --award-shadow: var(--shadow-2);
}

html { scroll-behavior: smooth; }
body { line-height: 1.75; text-rendering: optimizeLegibility; }
h1, h2, h3, h4 { letter-spacing: -.035em; }
h1 { line-height: 1.02; }
h2 { line-height: 1.12; }
p, li { color: var(--color-text-muted); }

/* A focus ring and 44px controls make the compact interface dependable. */
:where(a, button, input, select, textarea):focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
  box-shadow: 0 0 0 6px rgba(131, 201, 79, .23);
}
.btn, button.btn, .experience-actions .btn, .journey-actions .btn {
  min-height: 2.9rem;
  padding: .72rem 1.15rem;
  border-radius: var(--radius-control);
  letter-spacing: .01em;
  transition: background-color .18s ease, border-color .18s ease, color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.btn:hover, button.btn:hover, .experience-actions .btn:hover, .journey-actions .btn:hover {
  box-shadow: 0 .65rem 1.25rem rgba(0, 122, 121, .16);
}
.btn--outline, .experience-actions .btn--outline, .journey-actions .btn--outline {
  border-width: 1px !important;
}

/* Navigation uses an understated translucent bar; the expanded menu remains a clear panel. */
.site-header {
  border-bottom: 1px solid rgba(7, 29, 45, .08);
  background: rgba(247, 249, 247, .9);
  box-shadow: none;
}
.site-header .header .menu a { border-radius: .55rem; }
.site-header .header .menu a.secondary { border-radius: var(--radius-control); }
@media (max-width: 1299px) {
  .site-header .header .menu.active, .experience-page .site-header .header .menu.active {
    border: 1px solid var(--color-border);
    border-radius: 0 0 var(--radius-feature) var(--radius-feature);
    box-shadow: var(--shadow-2);
  }
}

/* The shared inner-page hero is structured with a fine grid instead of oversized ornament. */
.experience-hero, ._faq .top, ._article .top, ._apply .top, .guide-hero {
  isolation: isolate;
  padding-block: clamp(6.5rem, 11vw, 10rem) clamp(3.5rem, 6vw, 5.5rem);
  background:
    linear-gradient(rgba(7, 29, 45, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 29, 45, .035) 1px, transparent 1px),
    radial-gradient(circle at 88% 12%, rgba(0, 168, 167, .14), transparent 20rem),
    var(--color-canvas);
  background-size: 2rem 2rem, 2rem 2rem, auto, auto;
}
.experience-hero::after, ._faq .top::after, ._article .top::after, ._apply .top::after, .guide-hero::after {
  width: min(29vw, 20rem);
  right: -7rem;
  top: -9rem;
  border-width: clamp(.75rem, 1.6vw, 1.25rem);
  opacity: .5;
}
.experience-hero .eyebrow, .eyebrow { font-size: .74rem; letter-spacing: .15em; }
.experience-hero h1, ._faq .top h1, ._article .top h1, ._apply .top h1, .guide-hero h1 { max-width: 15ch; }
.experience-main, .guide-main, ._article .article, ._apply .apply { padding-block: var(--space-section); }

/* Surface families share a single elevation and measured corners. */
.experience-card, .session-card, .notice-card, .guide-document,
._faq .faq-content, ._article .article-content, ._apply .apply .main-content,
.guide-aside, ._article .article-nav a {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-surface);
  box-shadow: var(--shadow-1);
}
.experience-card, .session-card, .notice-card, .guide-document,
._faq .faq-content, ._article .article-content, ._apply .apply .main-content { background: var(--color-surface-raised); }
.experience-card, .session-card { position: relative; overflow: hidden; }
.experience-card::before, .session-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: .2rem;
  background: var(--color-action);
  opacity: .7;
}
.session-card { background: var(--color-surface-raised); }
.callout, .guide-callout, ._apply .application-notice, ._apply .registration-handoff {
  border-left-width: .3rem;
  border-radius: 0 var(--radius-control) var(--radius-control) 0;
}
.status, ._article .post-date { border-radius: .4rem; }
.guide-domains { border-radius: var(--radius-surface); overflow: hidden; }
.guide-domain { background: var(--color-surface-raised); }

/* Articles and FAQs gain a reading-first layout without oversized floating panels. */
._faq .main, ._article .main, ._apply .main, .guide-page { background: var(--color-canvas); }
._faq .faq-nav {
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--radius-surface);
  box-shadow: var(--shadow-1);
}
._faq .faq-content, ._article .article .main-content, ._apply .apply .main-content, .guide-document { box-shadow: var(--shadow-1); }
._article .article-nav a:hover { border-color: var(--color-action); box-shadow: var(--shadow-1); }

@media (hover: hover) and (pointer: fine) {
  .experience-card, .session-card, .notice-card, .guide-document,
  .home-services__grid > a, .home-trust__grid > a, .home-recommendations__grid article,
  ._index .promotion-card, ._index .articles .article-list .item { transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease; }
  .experience-card:hover, .session-card:hover, .notice-card:hover, .guide-document:hover,
  .home-services__grid > a:hover, .home-trust__grid > a:hover, .home-recommendations__grid article:hover,
  ._index .promotion-card:hover, ._index .articles .article-list .item:hover {
    transform: translateY(-.2rem);
    border-color: rgba(0, 122, 121, .55);
    box-shadow: var(--shadow-2);
  }
}
@media (max-width: 700px) {
  .experience-hero, ._faq .top, ._article .top, ._apply .top, .guide-hero { background-size: 1.5rem 1.5rem, 1.5rem 1.5rem, auto, auto; }
  .experience-hero::after, ._faq .top::after, ._article .top::after, ._apply .top::after, .guide-hero::after { opacity: .35; }
  .experience-card, .session-card, .notice-card, .guide-document, ._faq .faq-content, ._article .article-content, ._apply .apply .main-content { border-radius: .85rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
}

/* Source-backed guides and categorized learning resources. */
body.aiatcl-reading { overflow-x: clip; }
.prep-library.aiatcl-library { background: var(--color-surface); border: 1px solid var(--color-border); color: var(--color-text); }
.aiatcl-library h2, .aiatcl-library h3 { color: var(--color-text); }
.prep-library.aiatcl-library > p, .aiatcl-library .learning-resource-group p, .aiatcl-library .additional-resources p { color: var(--color-text-muted); }
.aiatcl-library > .eyebrow, .aiatcl-library a:not(.btn) { color: var(--color-action); }
.aiatcl-library a:not(.btn):hover { color: var(--color-action-hover); }
.aiatcl-library .prep-library__grid { background: var(--color-border); border-color: var(--color-border); }
.aiatcl-library .prep-library__grid article { background: var(--color-surface); }
.aiatcl-guide .guide-hero .guide-version, .prep-library .guide-version { font-size: .9rem; color: var(--color-text-muted); line-height: 1.8; max-width: none; }
.aiatcl-guide .guide-hero .eyebrow { color: var(--color-action); }
.aiatcl-guide .guide-aside { max-height: calc(100svh - 8rem); overflow-y: auto; }
.guide-toc { list-style: none; margin: 1rem 0; padding: 0; }
.guide-toc li { margin: .15rem 0; }
.guide-toc a { display: block; padding: .45rem 0; text-decoration: none; color: var(--color-text); font-size: .93rem; }
.guide-toc a:hover { color: var(--color-action); text-decoration: underline; }
.guide-source-link { margin: 1rem 0 0; font-size: .85rem; }
.aiatcl-guide .guide-document > section { scroll-margin-top: 7rem; }
.aiatcl-guide .guide-document > section:first-child > h2 { margin-top: 0; }
.aiatcl-guide .guide-document h2 { font-size: clamp(1.55rem, 2.5vw, 2.25rem); line-height: 1.4; }
.aiatcl-guide .guide-document h3 { font-size: clamp(1.1rem, 1.6vw, 1.35rem); line-height: 1.5; }
.aiatcl-guide .guide-document li { margin-block: .45rem; }
.exam-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-block: 1px solid var(--color-border); margin: 1.5rem 0; padding: .5rem 0; gap: 0 1.25rem; }
.exam-facts > div { padding: 1rem 0; }
.exam-facts dt { font-size: .87rem; color: var(--color-text-muted); }
.exam-facts dd { margin: .3rem 0 0; font-size: clamp(1.25rem, 1.7vw, 1.65rem); color: var(--color-brand-900); font-weight: 750; line-height: 1.4; }
.exam-facts dd span { display: block; font-size: .8rem; font-weight: 400; color: var(--color-text-muted); }
.guide-note { font-size: .9rem; color: var(--color-text-muted); }
.aiatcl-guide .guide-domain h3 { margin-top: .8rem; }
.aiatcl-guide .guide-domain ul { padding-left: 1.2rem; font-size: .94rem; }
.aiatcl-guide .guide-domain > a { font-size: .88rem; font-weight: 700; }
.resource-shortcuts { list-style: none; padding: 0; border-top: 1px solid var(--color-border); }
.resource-shortcuts li { margin: 0 !important; border-bottom: 1px solid var(--color-border); }
.resource-shortcuts a { display: flex; gap: .75rem; align-items: center; justify-content: space-between; padding: .9rem 0; text-decoration: none; }
.resource-shortcuts span { flex-shrink: 0; color: var(--color-text-muted); font-size: .8rem; }
.syllabus-domain { padding-top: 2rem; margin-top: 2rem; border-top: 1px solid var(--color-border); }
.syllabus-domain .domain-weight { color: var(--color-action); font-size: .85rem; font-weight: 750; margin-bottom: .5rem; }
.aiatcl-guide .syllabus-domain > h2 { margin-top: 0; }
.syllabus-topic ul { padding-left: 1.3rem; }
.resource-jump-links { display: flex; flex-wrap: wrap; gap: .6rem 1.5rem; margin: 1.5rem 0 2rem; }
.resource-jump-links a { padding-block: .45rem; font-size: .95rem; }
.prep-library__grid.aiatcl-resource-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.learning-resource-group { scroll-margin-top: 7rem; }
.learning-resource-group h3 { display: flex; flex-wrap: wrap; gap: .5rem 1rem; align-items: baseline; }
.resource-count { color: var(--color-text-muted); font-size: .85rem; font-weight: 500; }
.learning-resource-list { padding-left: 1.25rem; }
.learning-resource-list li { margin-block: .9rem; }
.learning-resource-list a { line-height: 1.65; }
.additional-resources { border-top: 1px solid var(--color-border); padding-top: 1.5rem; margin-top: 2rem; }
.prep-library #learning-library { scroll-margin-top: 7rem; }
@media (max-width: 1000px) { .exam-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 760px) {
  .aiatcl-guide .guide-aside { position: static; max-height: none; overflow: visible; }
  .aiatcl-guide .guide-aside dl, .guide-source-link { display: none; }
  .guide-toc { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .15rem 1rem; margin-bottom: 0; }
  .aiatcl-guide .guide-aside h2 { margin-bottom: .5rem; }
  .prep-library__grid.aiatcl-resource-grid { grid-template-columns: 1fr; }
  .guide-version span { display: block; font-size: 0; height: 0; }
}

/* Assessment table in the AIATCL guide. */
.assessment-table-wrap { max-width: 100%; overflow-x: auto; margin-top: 1.5rem; border: 1px solid var(--color-border); border-radius: var(--radius-control); }
.assessment-table { display: table; width: 100%; min-width: 40rem !important; max-width: none; border: 0; border-collapse: collapse; table-layout: fixed; font-size: .95rem; line-height: 1.75; }
.assessment-table thead { display: table-header-group; }
.assessment-table tbody { display: table-row-group; width: auto; }
.assessment-table tr { display: table-row; width: auto; }
.assessment-table th, .assessment-table td { display: table-cell; width: auto; }
.assessment-table__domain-col { width: 23%; }
.assessment-table__topic-col { width: 25%; }
.assessment-table__content-col { width: 52%; }
.assessment-table th, .assessment-table td { padding: 1rem; vertical-align: top; text-align: left; border-right: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); overflow-wrap: break-word; }
.assessment-table tr > :last-child { border-right: 0; }
.assessment-table thead th { background: var(--color-surface-subtle); color: var(--color-text); font-weight: 750; }
.assessment-table tbody + tbody { border-top: 2px solid var(--color-border); }
.assessment-table tbody { scroll-margin-top: 7rem; }
.assessment-table__domain { background: var(--color-surface-subtle); color: var(--color-text); font-weight: 750; }
.assessment-table__weight { display: block; margin-top: .65rem; color: var(--color-action); font-size: 1.2rem; font-weight: 800; }
.assessment-table__topic { color: var(--color-text); font-weight: 650; }
.assessment-table td { background: var(--color-surface); }
.assessment-table td ul { margin: 0; padding-left: 1.15rem; }
.aiatcl-guide .assessment-table li { margin: 0 0 .4rem; }
.aiatcl-guide .assessment-table li:last-child { margin-bottom: 0; }
.assessment-table-hint { display: none; }
@media (max-width: 1100px) {
  .assessment-table-hint { display: block; margin-bottom: .5rem; color: var(--color-text-muted); font-size: .85rem; }
  .assessment-table-wrap { margin-top: .5rem; }
}

/* Certification preparation overview and dedicated resource pages. */
.prep-overview-page .experience-hero, .prep-detail-page .experience-hero { padding-block: 3rem 2.75rem; }
.prep-overview-page .experience-hero h1, .prep-detail-page .experience-hero h1 { max-width: none; font-size: clamp(2rem, 3.6vw, 3.5rem); line-height: 1.3; }
.prep-overview-page .experience-hero .container > p, .prep-detail-page .experience-hero .container > p { max-width: 56rem; }
.prep-overview-page .experience-main, .prep-detail-page .experience-main { padding-block: 2.75rem 4rem; background: var(--color-canvas); }
.prep-overview-page .experience-main h2, .prep-detail-page .experience-main h2 { margin-top: 0; font-size: clamp(1.5rem, 2.4vw, 2rem); line-height: 1.4; }
.prep-section-heading, .prep-resource-section > h2 { scroll-margin-top: 7rem; }
.prep-overview-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
.prep-choice { display: flex; flex-direction: column; min-width: 0; padding: clamp(1.4rem, 3vw, 2rem); border: 1px solid var(--color-border); border-radius: var(--radius-surface); background: var(--color-surface); }
.prep-choice__meta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .75rem; }
.prep-code, .experience-hero .prep-code { color: var(--color-action); font-size: .85rem; font-weight: 800; letter-spacing: .1em; }
.prep-choice h3 { margin: 1.25rem 0 .5rem; font-size: clamp(1.5rem, 2.3vw, 2rem); line-height: 1.4; }
.prep-choice p { margin: 0; color: var(--color-text-muted); }
.prep-choice ul { margin-block: 1.25rem 1.75rem; padding-left: 1.25rem; }
.prep-choice li { margin-block: .4rem; }
.prep-choice .btn { align-self: flex-start; margin-top: auto; }
.prep-planned { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--color-border); }
.prep-planned__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem; margin: 1.5rem 0; }
.prep-planned__grid h3 { margin: .5rem 0; font-size: 1.2rem; }
.prep-planned__grid p, .prep-contact { color: var(--color-text-muted); }
.prep-breadcrumb { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.5rem; font-size: .92rem; color: var(--color-text-muted); }
.prep-quick-actions { align-items: center; }
.prep-common-link { padding-block: .8rem; font-weight: 700; }
.prep-detail-page .prep-library { margin-top: 0; }
.prep-detail-page .prep-library > p { max-width: 70ch; }
.prep-pending { padding: 1.5rem; background: var(--color-surface-subtle); border-left: .3rem solid var(--color-action); border-radius: 0 var(--radius-control) var(--radius-control) 0; }
.prep-detail-page .prep-pending h2 { margin: .85rem 0 .5rem; font-size: 1.45rem; }
.prep-pending p { margin: 0; }
.prep-resource-section { margin-top: 3rem; }
.prep-resource-section > p { color: var(--color-text-muted); }
.prep-resource-rows { list-style: none; margin: 1.5rem 0 0; padding: 0; border-top: 1px solid var(--color-border); }
.prep-resource-rows li { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 1.4rem 0; border-bottom: 1px solid var(--color-border); }
.prep-resource-rows h3 { margin: 0 0 .5rem; font-size: 1.15rem; line-height: 1.5; }
.prep-resource-rows p { margin: 0; color: var(--color-text-muted); }
.prep-resource-rows li > a { flex-shrink: 0; padding-block: .65rem; font-weight: 700; }
.prep-registration { display: flex; align-items: center; justify-content: space-between; gap: 2rem; margin-top: 3rem; padding: 2rem; background: var(--color-surface-subtle); border-radius: var(--radius-surface); }
.prep-detail-page .prep-registration h2 { font-size: 1.6rem; margin-bottom: .5rem; }
.prep-registration p { margin: 0; color: var(--color-text-muted); }
.prep-registration .btn { flex-shrink: 0; }
.prep-back-link { margin: 1.5rem 0; }
.prep-skip-link { position: fixed; left: 1rem; top: 1rem; z-index: 10001; padding: .75rem 1rem; color: var(--color-text); background: var(--color-surface); border: 2px solid var(--color-action); transform: translateY(-200%); }
.prep-skip-link:focus { transform: translateY(0); }
@media (max-width: 760px) {
  .prep-overview-grid, .prep-planned__grid { grid-template-columns: 1fr; }
  .prep-overview-page .experience-hero, .prep-detail-page .experience-hero { padding-block: 2rem; }
  .prep-resource-rows li, .prep-registration { flex-direction: column; align-items: flex-start; gap: .75rem; }
  .prep-registration { padding: 1.4rem; }
  .prep-registration .btn { white-space: normal; text-align: center; max-width: 100%; }
  .prep-choice .btn { width: 100%; text-align: center; }
}

/* Source-backed public-service certification guides, resources and sample questions. */
body.aiatcg-reading { overflow-x: clip; }
.aiatcg-guide .guide-hero { padding-block: 3rem; }
.aiatcg-guide .guide-hero h1 { max-width: 26ch; font-size: clamp(2rem, 3.5vw, 3.5rem); line-height: 1.3; }
.aiatcg-guide .guide-hero p { max-width: 56rem; }
.aiatcg-guide .guide-hero .eyebrow { color: var(--color-action); }
.aiatcg-guide .guide-aside { max-height: calc(100svh - 8rem); overflow-y: auto; }
.aiatcg-guide .guide-document > section, .aiatcg-resource-group, #learning-resources, .sample-question { scroll-margin-top: 7rem; }
.aiatcg-guide .guide-document > section:first-child > h2 { margin-top: 0; }
.aiatcg-guide .guide-document h2 { font-size: clamp(1.5rem, 2.4vw, 2rem); line-height: 1.4; }
.aiatcg-guide .guide-document h3 { font-size: 1.2rem; line-height: 1.5; }
.aiatcg-guide .guide-document li { margin-block: .6rem; }
.aiatcg-guide .assessment-table li { margin: 0 0 .9rem; }
.aiatcg-guide .assessment-table li:last-child { margin-bottom: 0; }
.assessment-goal { font-size: .9rem; font-weight: 400; margin-bottom: 0; }
.aiatcg-guide .assessment-table caption { text-align: left; padding: 1rem; background: var(--color-surface-subtle); font-weight: 700; }
.aiatcg-learning-library { margin-top: 3rem; }
.aiatcg-resource-group { padding: 1.75rem; margin-top: 2rem; border: 1px solid var(--color-border); border-radius: var(--radius-surface); background: var(--color-surface); }
.aiatcg-resource-group > h3 { display: flex; flex-wrap: wrap; align-items: baseline; gap: .5rem 1rem; margin-top: 0; font-size: 1.4rem; line-height: 1.5; }
.aiatcg-resource-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem 2rem; }
.aiatcg-resource-list li { min-width: 0; padding-top: 1.1rem; border-top: 1px solid var(--color-border); }
.aiatcg-resource-list a { font-size: 1rem; line-height: 1.6; font-weight: 700; }
.aiatcg-resource-list p { margin: .5rem 0 0; color: var(--color-text-muted); font-size: .94rem; line-height: 1.8; }
.prep-sample-entry { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 1.75rem; border-left: .3rem solid var(--color-action); background: var(--color-surface-subtle); }
.prep-sample-entry p { margin: 0; max-width: 48rem; }
.prep-sample-entry .btn { flex-shrink: 0; }
.sample-question { padding-block: 1.75rem; border-top: 1px solid var(--color-border); }
.aiatcg-samples .sample-question h3 { display: flex; flex-wrap: wrap; align-items: baseline; gap: 1rem; margin: 0 0 1rem; }
.sample-stem { font-weight: 600; line-height: 1.85; margin-top: 0; }
.sample-options { list-style-type: upper-alpha; padding-left: 1.6rem; line-height: 1.85; }
.sample-options li { padding-left: .4rem; }
.sample-answer { margin-top: 1.25rem; border: 1px solid var(--color-border); border-radius: var(--radius-control); background: var(--color-surface-subtle); }
.sample-answer summary { min-height: 44px; padding: .8rem 1rem; color: var(--color-action); cursor: pointer; font-weight: 700; }
.sample-answer p { margin: 0; padding: .25rem 1rem 1rem; }
.sample-answer strong { letter-spacing: .1em; }
@media (max-width: 760px) {
  .aiatcg-guide .guide-hero { padding-block: 2rem; }
  .aiatcg-guide .guide-aside { position: static; max-height: none; overflow: visible; }
  .aiatcg-guide .guide-aside h2 { margin-bottom: .5rem; }
  .aiatcg-resource-list { grid-template-columns: 1fr; }
  .aiatcg-resource-group { padding: 1.25rem; }
  .prep-sample-entry { flex-direction: column; align-items: flex-start; padding: 1.25rem; gap: 1rem; }
}

/* DESIGN.md: public-site adaptation. Layouts and route content remain independent. */
:root {
  --color: #444; --dark: #555; --blue: #005a82; --gold: #c2a86b;
  --smoke: #f0f0f0; --gray: #ccc; --white: #fff; --yellow: #d6b113;
  --literacy-color: #6a7a3f; --literacy-border: #8ea34d; --literacy-btn: #849e52;
  --engineering-color: #3d777a; --engineering-border: #56afaf; --engineering-btn: #449191;
  --management-color: #91714d; --management-border: #bfa382; --management-btn: #af936d;
  --hero-magenta: #b94b92; --hero-blue: #3683d6; --hero-outline: #d983a2;
  --hero-fallback: #ac2252; --hero-text-cyan: #7de2ff; --hero-text-pink: #ff8ac9;
  --color-brand-900: var(--color-text); --color-brand-700: var(--dark);
  --color-text: #444; --color-text-muted: var(--dark);
  --color-action: var(--blue); --color-action-hover: var(--blue);
  --color-emphasis: var(--gold); --color-focus: var(--blue);
  --color-canvas: var(--white); --color-surface: var(--white);
  --color-surface-raised: var(--white); --color-surface-subtle: var(--smoke);
  --color-border: var(--gray); --color-border-strong: var(--gray);
  --radius-control: .25rem; --radius-surface: .4rem; --radius-feature: .4rem;
  --space-section: 3rem; --shadow-1: none; --shadow-2: 0 .5rem 1.5rem rgb(0 0 0 / .1);
  --award-radius: var(--radius-surface); --award-shadow: var(--shadow-1);
  --primary: var(--gold); --link: var(--blue);
}
body, input, select, textarea, button { font-family: sans-serif, "PingFang", "Microsoft JhengHei"; }
body { font-size: 16px; line-height: 1.6; }
.container { width: 100%; max-width: 1400px; margin-inline: auto; padding-inline: 6%; }
h1, h2, h3, h4 { letter-spacing: normal; color: var(--color-text); }
h1 { max-width: none; font-size: 2.6rem; font-weight: 700; line-height: 1.6; }
h2 { position: relative; font-size: 2rem; font-weight: 700; line-height: 1.3; padding-bottom: 1rem; border-bottom: 0; }
h2::before { display: block; content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: .3rem; background: var(--gray); border-radius: 100px; }
h2::after { display: block; content: ""; position: absolute; left: 0; bottom: 0; width: 2rem; height: .3rem; background: var(--yellow); border: 0; border-radius: 100px; }
h3 { font-size: 1.4rem; line-height: 1.4; }
p { margin-block: 1.4em; }
p, li, .fine-print, .section-intro, .facts dt { color: var(--color-text); }
a { color: var(--blue); }
a:hover { color: var(--blue); text-decoration: underline; }
::selection { color: var(--white); background: var(--blue); }
input, textarea { caret-color: var(--blue); }
:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; box-shadow: 0 0 0 2px var(--white); }
.eyebrow { display: none; }
.site-header { position: sticky; top: 0; background: var(--white); backdrop-filter: none; border-bottom: 1px solid var(--smoke); }
.site-header .header { height: 5rem; min-height: 5rem; }
.site-header .header .logo img { width: auto; height: 3.6rem; }
.site-header .header .menu a { color: var(--color-text); font-size: .96rem; padding: .4rem .6rem; border-radius: var(--radius-control); }
.site-header .header .menu a:hover { background: var(--smoke); color: var(--blue); }
.site-header .header .menu a.secondary { border-color: var(--gold); background: var(--gold); color: var(--white); }
.site-header .header .menu a.secondary:hover { background: var(--gold); border-color: var(--gold); color: var(--white); filter: brightness(1.04); }
.btn, button.btn, .experience-actions .btn, .journey-actions .btn,
.experience-card .btn, .session-card .btn, ._apply .application-notice .btn, .registration-handoff__actions .btn {
  min-height: 44px; padding: .6rem 2rem; border: 1px solid var(--gold); border-radius: var(--radius-control);
  background: var(--gold); color: var(--white); font-size: 1rem; font-weight: 400; line-height: 1.5;
  letter-spacing: normal; box-shadow: none; transition: filter .3s ease; text-decoration: none;
}
.btn:hover, button.btn:hover, .experience-actions .btn:hover, .journey-actions .btn:hover,
.experience-card .btn:hover, .session-card .btn:hover { background: var(--gold); color: var(--white); filter: brightness(1.04); transform: none; box-shadow: none; text-decoration: none; }
.btn.btn--outline, .experience-actions .btn--outline, .journey-actions .btn--outline, .guide-actions .btn--outline {
  background: transparent !important; border-color: var(--gold) !important; color: var(--dark) !important;
}
.btn:disabled, button:disabled { cursor: not-allowed; opacity: .5; filter: none; }
input, select, textarea { padding: .6rem .8rem; border: 1px solid var(--gray); border-radius: var(--radius-control) !important; background: var(--white); color: var(--color-text); font-size: 1rem; }
.experience-hero, ._faq .top, ._article .top, ._apply .top, .guide-hero { padding-block: 3rem; background: var(--smoke); }
.experience-hero::after, ._faq .top::after, ._article .top::after, ._apply .top::after, .guide-hero::after { display: none; }
.experience-hero h1, ._faq .top h1, ._article .top h1, ._apply .top h1, .guide-hero h1,
.prep-overview-page .experience-hero h1, .prep-detail-page .experience-hero h1, .aiatcg-guide .guide-hero h1 {
  max-width: 100%; font-size: 2.6rem; font-weight: 700; line-height: 1.6; margin-block: 0 1rem;
}
.experience-hero p, .guide-hero p { font-size: 1rem; line-height: 1.6; }
.experience-card, .session-card, .notice-card, .prep-choice { padding: 2rem; }
.experience-card::before, .session-card::before { display: none; }
.experience-card:hover, .session-card:hover, .notice-card:hover, .guide-document:hover { transform: none; box-shadow: none; border-color: var(--gray); }
.card-grid, .session-grid, .path-grid { gap: 2rem; }
.experience-card h3, .session-card h3, .prep-choice h3 { font-size: 1.4rem; }
.status { border-radius: var(--radius-control); background: var(--smoke); color: var(--literacy-color); font-weight: 700; }
.status--planned { color: var(--dark); }
.callout, .guide-callout, ._apply .application-notice, ._apply .registration-handoff, .prep-pending, .prep-sample-entry { border-left: 1px solid var(--gold); background: var(--smoke); }
.journey { padding-block: 3rem; background: var(--white); }
.journey::before { display: none; }
.journey h2 { max-width: none; color: var(--color-text); font-size: 2rem; }
.journey__intro > p { color: var(--dark); font-size: 1rem; }
.journey .path-grid { border: 0; background: transparent; gap: 2rem; }
.journey .path-step { min-height: 0; padding: 2rem; border: 1px solid var(--gray); border-radius: .4rem; }
.journey .path-step h3 { font-size: 1.4rem; font-weight: 700; letter-spacing: normal; }
.journey .path-step p { font-size: 1rem; color: var(--dark); }
.journey .path-step a { color: var(--blue); border: 0; }
.path-step__number, .process li::before { width: 2.5rem; height: 2.5rem; background: var(--smoke); color: var(--blue); font-weight: 700; }
._faq .faq-nav { background: var(--white); border: 1px solid var(--gray); box-shadow: none; }
._faq .faq-nav a, ._faq .faq-nav strong { color: var(--blue); }
._faq .faq-nav a:hover { color: var(--blue); text-decoration: underline; }
._faq .faq-content h3 { font-size: 1.4rem; line-height: 1.4; }
._article .article .main-content { border-top: 3px solid var(--gold); border-radius: .4rem; font-size: 1rem; line-height: 1.6; }
._article .post-date { background: var(--smoke); color: var(--dark); }
.guide-document h2, .aiatcl-guide .guide-document h2, .aiatcg-guide .guide-document h2 { font-size: 2rem; line-height: 1.3; }
.guide-aside h2 { font-size: 1.4rem; }
.site-footer { background: var(--dark); }
@media (max-width: 1299px) {
  .site-header .header .menu.active, .experience-page .site-header .header .menu.active { width: min(20rem, 92vw) !important; background: var(--white); border-radius: 0; }
}
@media (max-width: 760px) {
  .container { width: 100%; padding-inline: 6%; }
  .experience-hero, ._faq .top, ._article .top, ._apply .top, .guide-hero { padding-block: 2rem; }
  .btn, button.btn, .experience-actions .btn, .journey-actions .btn { padding-inline: 1.2rem; }
  .experience-card, .session-card, .notice-card, .prep-choice, .journey .path-step { padding: 1.5rem; }
  ._faq .faq-nav { position: static; }
}
@media (max-width: 575px) {
  h2, .journey h2, .guide-document h2, .aiatcl-guide .guide-document h2, .aiatcg-guide .guide-document h2 { font-size: 1.4rem; }
  .experience-hero h1, ._faq .top h1, ._article .top h1, ._apply .top h1, .guide-hero h1,
  .prep-overview-page .experience-hero h1, .prep-detail-page .experience-hero h1, .aiatcg-guide .guide-hero h1 { font-size: 2.2rem; }
}