/* EXIM 2X — Phase 2 editorial system
   Thesis: a Japanese integrated-report reading room — deep corporate-blue cover with a
   concentric-ripple texture, white paper interior ruled by hairline blue, card objects
   with locally-stored imagery, heavy serif Thai display over a light body, and long-ease
   restrained motion that prefers small travel over spectacle. */

:root {
  --paper: #FBFAF7;
  --ink: #16181A;
  --ink-2: #4A4F55;
  --ink-3: #767C84;
  --blue-deep: #0B3D74;
  --blue: #1463A8;
  --cyan: #2F87C8;
  --rule-blue: #CFE0EF;
  --sky-soft: #EAF3FB;
  --amber: #8A6D2F;
  --amber-soft: #F5EFE0;
  --card-shadow: 0 1px 2px rgba(11, 61, 116, .06), 0 10px 30px rgba(11, 61, 116, .08);
  --card-shadow-hover: 0 2px 4px rgba(11, 61, 116, .08), 0 18px 44px rgba(11, 61, 116, .16);
  --ease: cubic-bezier(.22, 1, .36, 1);
  --display: "Noto Serif Thai", "Sarabun", "Thonburi", system-ui, serif;
  --body: "IBM Plex Sans Thai", "Sarabun", "Thonburi", system-ui, sans-serif;
  color-scheme: light;
  font-size: 16px;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  background: var(--paper);
  color: var(--ink);
  scroll-behavior: smooth;
  word-break: normal;
  overflow-wrap: break-word;
}

body {
  margin: 0;
  min-width: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 1.0625rem;
  font-weight: 400;
  line-height: 1.65;
  letter-spacing: 0;
}

button, input { font: inherit; letter-spacing: 0; }
a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .16em; }
a:hover { color: var(--blue); }
img, svg { max-width: 100%; }

h1, h2, h3 {
  margin-block: 0;
  color: var(--ink);
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: .01em;
  text-wrap: balance;
}

h1 { font-size: 2.4rem; line-height: 1.3; }
h2 { font-size: 1.6rem; line-height: 1.35; }
h3 { font-size: 1.2rem; line-height: 1.4; }

p, li, dt, dd, label, legend, button, input, time, small, span { letter-spacing: 0; }

:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 40;
  inset: .75rem auto auto .75rem;
  padding: .7rem 1rem;
  border-radius: .5rem;
  background: var(--blue-deep);
  color: #FFFFFF;
  transform: translateY(-160%);
  transition: transform .45s var(--ease);
}

.skip-link:focus { transform: translateY(0); }

/* ── Shell ─────────────────────────────────────────────────────────── */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 5.5rem;
  padding: 1rem clamp(1.25rem, 5vw, 5rem);
  border-bottom: 1px solid var(--rule-blue);
  background: var(--paper);
}

.wordmark { display: flex; flex-direction: column; text-decoration: none; }
.wordmark span { font-family: var(--display); font-size: 1.25rem; font-weight: 700; }
.wordmark small { color: var(--ink-3); font-size: .75rem; }
.site-header nav { display: flex; gap: 1.5rem; font-size: .875rem; }
.site-header nav a { text-decoration: none; }

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 7rem;
  padding: 3rem clamp(1.25rem, 5vw, 5rem);
  background: var(--blue-deep);
  color: #FFFFFF;
  font-size: .875rem;
}

.site-footer p { margin: 0; }
.site-footer p:last-child { color: rgba(255, 255, 255, .65); }

.eyebrow, .rail-label, .source-label, .meta-label, .empty-kicker {
  margin: 0 0 .75rem;
  color: var(--blue);
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: 0;
}

/* ── Cover / hero — integrated-report front page ───────────────────── */

.home-page { position: relative; }

.home-page .site-header {
  position: absolute;
  inset: 0 0 auto 0;
  z-index: 3;
  flex-direction: row-reverse;
  border-bottom: 0;
  background: none;
  color: #FFFFFF;
}

.home-page .wordmark { text-align: right; }
.home-page .wordmark small { color: rgba(255, 255, 255, .72); }
.home-page .site-header nav a:hover { color: #FFFFFF; text-decoration: underline; }

.masthead {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: clamp(34rem, 92vh, 52rem);
  margin: 0;
  padding: clamp(7rem, 12vw, 9rem) clamp(1.25rem, 8vw, 8rem) clamp(7rem, 16vh, 11rem);
  border-bottom: 1px solid var(--rule-blue);
  color: #FFFFFF;
  background-color: var(--blue-deep);
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 200'%3E%3Cpath fill='%23FFFFFF' fill-opacity='.85' d='M100 22c4 46 32 74 78 78-46 4-74 32-78 78-4-46-32-74-78-78 46-4 74-32 78-78z'/%3E%3C/svg%3E"),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1400 1400'%3E%3Cg fill='none' stroke='%23FFFFFF' stroke-opacity='.055'%3E%3Ccircle cx='700' cy='700' r='130'/%3E%3Ccircle cx='700' cy='700' r='260'/%3E%3Ccircle cx='700' cy='700' r='390'/%3E%3Ccircle cx='700' cy='700' r='520'/%3E%3Ccircle cx='700' cy='700' r='650'/%3E%3Ccircle cx='700' cy='700' r='780'/%3E%3Ccircle cx='700' cy='700' r='910'/%3E%3Ccircle cx='700' cy='700' r='1040'/%3E%3C/g%3E%3C/svg%3E"),
    linear-gradient(180deg, #082C55 0%, #0B3D74 32%, #1463A8 58%, #5C9CD3 80%, #BFD9EF 93%, #EAF3FB 100%);
  background-repeat: no-repeat, no-repeat, no-repeat;
  background-position: 82% 4.5rem, 50% -18rem, 0 0;
  background-size: clamp(4rem, 8vw, 7rem) auto, 1400px 1400px, cover;
}

.masthead .eyebrow { color: rgba(255, 255, 255, .82); }
.masthead h1 {
  max-width: 15ch;
  color: #FFFFFF;
  font-size: clamp(2.6rem, 5vw, 3.6rem);
  line-height: 1.35;
}
.standfirst {
  max-width: 56ch;
  margin: 1.75rem 0 2.25rem;
  color: rgba(255, 255, 255, .9);
  font-size: 1.15rem;
  font-weight: 300;
}
.masthead .text-link {
  display: inline-block;
  align-self: flex-start;
  padding: .8rem 1.6rem;
  border: 1px solid rgba(255, 255, 255, .65);
  border-radius: 999px;
  color: #FFFFFF;
  font-weight: 500;
  text-decoration: none;
  transition: background-color .5s var(--ease), color .5s var(--ease), border-color .5s var(--ease);
}
.masthead .text-link:hover { background: #FFFFFF; border-color: #FFFFFF; color: var(--blue-deep); }

.text-link { display: inline-block; color: var(--blue); font-weight: 500; }

/* ── Course spine ──────────────────────────────────────────────────── */

.session-spine, .latest {
  display: grid;
  grid-template-columns: minmax(12rem, 1fr) minmax(0, 2.2fr);
  gap: clamp(2rem, 7vw, 7rem);
  max-width: 86rem;
  margin: 0 auto;
  padding: clamp(4rem, 8vw, 7rem) clamp(1.25rem, 8vw, 8rem);
}

.section-intro p { max-width: 34ch; color: var(--ink-2); }
.section-intro h2 { font-size: 2rem; }
.session-spine ol { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--blue-deep); }
.session-spine li { display: grid; grid-template-columns: 4rem 1fr; gap: 1rem; padding: .8rem 0; border-bottom: 1px solid var(--rule-blue); }
.session-spine li span:last-child { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.session-number { font-variant-numeric: tabular-nums; color: var(--ink-3); font-family: var(--display); }
.session-spine small { color: var(--ink-3); }
.session-live { color: var(--blue-deep); }
.session-live .session-number { color: var(--blue); font-weight: 700; }
.session-live small { color: var(--blue); }

/* ── Cards ─────────────────────────────────────────────────────────── */

.latest { padding-top: 5rem; }
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
  gap: 1.75rem;
}

.card, .archive-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--rule-blue);
  border-radius: 1rem;
  background: #FFFFFF;
  box-shadow: var(--card-shadow);
  transition: transform .55s var(--ease), box-shadow .55s var(--ease);
}

.card:hover, .archive-card:hover,
.card:focus-within, .archive-card:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
}

.card-media {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--sky-soft);
}
.card-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .9s var(--ease);
}
.card:hover .card-media img, .archive-card:hover .card-media img { transform: scale(1.045); }
.card-media--type {
  display: flex;
  align-items: flex-end;
  padding: 1rem 1.25rem;
  background-image: linear-gradient(160deg, var(--blue-deep) 0%, var(--blue) 62%, var(--cyan) 100%);
}
.card-media--type .visual-word {
  color: rgba(255, 255, 255, .92);
  font-family: var(--display);
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.3;
}
.card-session-badge {
  position: absolute;
  top: .9rem;
  left: .9rem;
  padding: .25rem .7rem;
  border-radius: 999px;
  background: rgba(11, 61, 116, .85);
  color: #FFFFFF;
  font-size: .75rem;
  font-weight: 500;
}

.card-body { display: flex; flex: 1; flex-direction: column; gap: .7rem; padding: 1.25rem 1.4rem 1.5rem; }
.card-body h2, .card-body h3 { font-size: 1.22rem; line-height: 1.4; }
.card-body h2 a, .card-body h3 a { text-decoration: none; }
.card-body > p { margin: 0; color: var(--ink-2); font-size: .9rem; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.card-link::after { content: ""; position: absolute; inset: 0; z-index: 1; }

.chip-line { display: flex; flex-wrap: wrap; gap: .4rem; }
.meta-chip {
  display: inline-block;
  padding: .18rem .68rem;
  border-radius: 999px;
  background: var(--sky-soft);
  color: var(--blue-deep);
  font-size: .72rem;
  font-weight: 500;
  line-height: 1.5;
}

.row-meta { display: flex; flex-wrap: wrap; gap: .45rem 1rem; margin-top: auto; padding-top: .6rem; border-top: 1px solid var(--rule-blue); color: var(--ink-3); font-size: .8125rem; }
.row-meta time { color: var(--amber); font-weight: 500; }

/* ── Archive ───────────────────────────────────────────────────────── */

.archive-shell {
  display: grid;
  grid-template-columns: minmax(12rem, 17rem) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  max-width: 88rem;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 5rem) 5rem;
}

.archive-header { grid-column: 1 / -1; padding: clamp(4rem, 8vw, 7rem) 0 3rem; border-bottom: 2px solid var(--blue-deep); }
.archive-header h1 { font-size: clamp(3rem, 7vw, 6rem); line-height: 1.3; }
.archive-header > p:last-child { max-width: 55ch; color: var(--ink-2); }
.taxonomy-nav { display: flex; flex-wrap: wrap; align-items: center; gap: .45rem .8rem; margin-top: 1.5rem; color: var(--ink-2); font-size: .8125rem; }
.taxonomy-nav span { color: var(--ink-3); }
.taxonomy-nav a { padding: .22rem .65rem; border: 1px solid var(--rule-blue); border-radius: 999px; text-decoration: none; }
.filter-rail { position: sticky; top: 1rem; align-self: start; max-height: calc(100vh - 2rem); overflow-y: auto; padding: 0 1rem 1rem 0; }
.filter-rail fieldset { margin: 0; padding: 1.5rem 0; border: 0; border-bottom: 1px solid var(--rule-blue); }
.filter-rail legend, .search-field label { display: block; margin-bottom: .75rem; color: var(--ink-2); font-size: .875rem; font-weight: 500; }
.search-field { padding-bottom: 1.5rem; border-bottom: 1px solid var(--blue-deep); }
.search-field input { width: 100%; padding: .7rem 0; border: 0; border-bottom: 1px solid var(--ink-3); background: none; color: var(--ink); }
.filter-stack { display: flex; flex-wrap: wrap; gap: .45rem; }
.filter-button, .clear-button {
  border: 1px solid var(--rule-blue);
  border-radius: 999px;
  background: #FFFFFF;
  color: var(--ink-2);
  cursor: pointer;
  font-size: .8125rem;
  transition: background-color .4s var(--ease), border-color .4s var(--ease), color .4s var(--ease);
}
.filter-button { padding: .38rem .85rem; }
.filter-button:hover { border-color: var(--cyan); color: var(--blue-deep); }
.filter-button[aria-pressed="true"] { border-color: var(--blue); background: var(--blue-deep); color: #FFFFFF; }
.clear-button { width: 100%; margin-top: 1.5rem; padding: .65rem; border-color: var(--ink-3); }
.clear-button:hover { border-color: var(--blue-deep); color: var(--blue-deep); }

.results-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; padding-bottom: 1rem; border-bottom: 1px solid var(--blue-deep); }
.results-heading h2 { font-size: 1.2rem; }
.results-heading p { margin: 0; color: var(--ink-3); font-size: .875rem; }

.archive-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(19rem, 1fr));
  gap: 1.75rem;
  padding-top: 2rem;
}
.archive-card[hidden] { display: none; }

.empty-state { margin-top: 2rem; padding: 3rem clamp(1rem, 5vw, 4rem); border: 1px solid var(--rule-blue); border-radius: 1rem; background: var(--sky-soft); }
.empty-state[hidden] { display: none; }
.empty-state h3 { font-size: 1.5rem; }
.empty-state p:last-child { max-width: 45ch; color: var(--ink-2); }

/* ── Collection and policy pages ──────────────────────────────────── */

.collection-shell, .about-shell { max-width: 88rem; margin: 0 auto; padding: 0 clamp(1.25rem, 5vw, 5rem) 5rem; }
.collection-header { padding: clamp(3rem, 7vw, 6rem) 0 2.5rem; border-bottom: 2px solid var(--blue-deep); }
.collection-header h1 { max-width: 18ch; font-size: clamp(2.5rem, 6vw, 5rem); }
.collection-header > p:last-child { max-width: 58ch; color: var(--ink-2); }
.collection-results { padding-top: 2.5rem; }
.collection-results .card-grid { padding-top: 2rem; }
.collection-empty { margin-bottom: 4rem; }
.about-prose { max-width: 68ch; padding: clamp(2.5rem, 6vw, 5rem) 0; }
.about-prose h2 { margin-top: 2.5rem; }
.about-prose p { color: var(--ink-2); }

/* ── Article ───────────────────────────────────────────────────────── */

.read-progress { position: fixed; inset: 0 0 auto 0; z-index: 30; height: 3px; background: none; }
.read-progress span { display: block; height: 100%; background: var(--blue); transform: scaleX(0); transform-origin: 0 50%; }

.breadcrumb { display: flex; flex-wrap: wrap; gap: .5rem; max-width: 88rem; margin: 0 auto; padding: 1.25rem clamp(1.25rem, 5vw, 5rem); border-bottom: 1px solid var(--rule-blue); color: var(--ink-3); font-size: .8125rem; }
.archive-header > .breadcrumb { margin: 0 0 .75rem; padding: 0 0 .6rem; }
.article-layout { display: grid; grid-template-columns: minmax(0, 68ch) minmax(14rem, 20rem); justify-content: center; align-items: start; gap: clamp(3rem, 7vw, 7rem); padding: clamp(3rem, 7vw, 7rem) clamp(1.25rem, 5vw, 5rem); }
.article-content { min-width: 0; }
.article-visual { position: relative; margin: 0 0 2.5rem; overflow: hidden; border-radius: 1rem; }
.article-visual img { display: block; width: 100%; height: clamp(11rem, 26vw, 15rem); object-fit: cover; }
.article-visual figcaption { position: absolute; right: .9rem; bottom: .9rem; padding: .25rem .7rem; border-radius: 999px; background: rgba(11, 61, 116, .85); color: #FFFFFF; font-size: .72rem; }
.article-header { padding-bottom: 2.5rem; border-bottom: 2px solid var(--blue-deep); }
.article-header h1 { margin-top: .75rem; font-size: clamp(2.2rem, 4vw, 3rem); line-height: 1.35; }
.article-standfirst { margin: 2rem 0; color: var(--ink-2); font-family: var(--display); font-size: 1.28rem; line-height: 1.7; }
.article-meta { display: grid; grid-template-columns: 1.35fr 1fr .7fr; gap: 1.25rem; margin-top: .5rem; padding: 1.4rem 1.5rem; border: 1px solid var(--rule-blue); border-radius: 1rem; background: var(--sky-soft); }
.article-meta > div { display: flex; flex-direction: column; }
.meta-link { color: inherit; text-decoration-color: var(--blue-mid); text-decoration-thickness: .08em; text-underline-offset: .18em; }
.meta-link:hover { color: var(--blue-deep); }
.article-meta small { color: var(--ink-3); font-size: .75rem; }
.freshness { display: flex; flex-wrap: wrap; align-items: baseline; gap: .6rem; margin-top: 1.25rem; color: var(--ink-3); font-size: .8125rem; }
.freshness time { color: var(--amber); font-weight: 500; }

.article-rail { position: sticky; top: 1rem; align-self: start; max-height: calc(100vh - 2rem); overflow-y: auto; }
.toc { padding: 0 0 2rem; border-bottom: 1px solid var(--rule-blue); }
.toc ol { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--rule-blue); }
.toc li { margin: 0; font-size: .8125rem; line-height: 1.45; }
.toc a { display: block; padding: .32rem 0 .32rem .9rem; margin-left: -2px; border-left: 2px solid rgba(0, 0, 0, 0); text-decoration: none; transition: color .4s var(--ease), border-color .4s var(--ease); }
.toc .toc-level-3 a { padding-left: 1.8rem; color: var(--ink-3); }
.toc a.toc-current { border-left-color: var(--blue); color: var(--blue-deep); font-weight: 600; }
.toc-empty { color: var(--ink-3); font-size: .875rem; }
.mobile-toc { display: none; }

.source-panel { margin-top: 2rem; padding: 1.5rem; border: 1px solid var(--rule-blue); border-radius: 1rem; background: #FFFFFF; }
.source-title, .related-title { margin: 0; font-family: var(--display); font-size: 1.25rem; font-weight: 700; line-height: 1.35; }
.source-panel p { color: var(--ink-2); font-size: .875rem; }
.source-panel--restricted { border-color: var(--amber); background: var(--amber-soft); color: var(--amber); }
.source-panel--restricted .source-label, .source-panel--restricted .source-title { color: var(--amber); }
.source-panel--public { border-color: var(--blue); }
.source-link { display: inline-block; color: var(--blue); font-weight: 500; }
.source-checked { color: var(--ink-3) !important; font-size: .75rem !important; }

.prose { padding-top: 3rem; font-size: 1.0625rem; line-height: 1.75; }
.prose > * { max-width: 68ch; }
.prose h2 { margin-top: 4.5rem; padding-top: 1.1rem; border-top: 2px solid var(--blue-deep); scroll-margin-top: 2rem; }
.prose h3 { margin-top: 2.75rem; scroll-margin-top: 2rem; }
.prose p { margin: 1.15rem 0; }
.prose ul, .prose ol { padding-left: 1.4rem; }
.prose li { margin: .5rem 0; }
.prose strong { font-weight: 600; }
.prose blockquote { margin: 2.5rem 0; padding: 1.5rem 0 1.5rem 1.5rem; border-left: 3px solid var(--cyan); color: var(--ink-2); }
.prose .editorial-note { max-width: 68ch; margin-top: 4rem; padding: 1.5rem; border: 1px solid var(--rule-blue); border-left: 3px solid var(--blue); border-radius: 0 1rem 1rem 0; background: var(--sky-soft); }
.step-heading { display: grid; grid-template-columns: 5rem minmax(0, 1fr); align-items: center; gap: 1rem; padding: 1.25rem 0; border-top: 2px solid var(--blue-deep); }
.step-index { display: grid; grid-template-columns: auto auto; align-items: baseline; gap: .3rem; color: var(--blue); }
.step-kicker { font-family: var(--body); font-size: .72rem; font-weight: 500; }
.step-number { font-family: var(--display); font-size: 2.4rem; line-height: 1; color: var(--blue-deep); }
.step-title { font-family: var(--display); }
.prose table { display: block; width: 100%; max-width: 100%; overflow-x: auto; border-collapse: collapse; white-space: nowrap; border: 1px solid var(--rule-blue); border-radius: .75rem; }
.prose th, .prose td { padding: .65rem .8rem; border: 1px solid var(--rule-blue); text-align: left; }
.prose th { background: var(--sky-soft); color: var(--blue-deep); }
.related { margin-top: 5rem; padding-top: 2rem; border-top: 2px solid var(--blue-deep); }
.related ul { list-style: none; padding: 0; }
.related li { padding: .8rem 0; border-bottom: 1px solid var(--rule-blue); }

/* ── Motion — long ease, small travel, honestly disabled ───────────── */

.motion-ready [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.motion-ready [data-reveal].is-in { opacity: 1; transform: none; }
.motion-ready .card-grid [data-reveal]:nth-child(2), .motion-ready .archive-list [data-reveal]:nth-child(2) { transition-delay: .08s; }
.motion-ready .card-grid [data-reveal]:nth-child(3), .motion-ready .archive-list [data-reveal]:nth-child(3) { transition-delay: .16s; }
.motion-ready .card-grid [data-reveal]:nth-child(4), .motion-ready .archive-list [data-reveal]:nth-child(4) { transition-delay: .24s; }

/* ── Responsive ────────────────────────────────────────────────────── */

@media (max-width: 900px) {
  .session-spine, .latest { grid-template-columns: 1fr; }
  .archive-shell { grid-template-columns: 1fr; gap: 1.25rem; }
  .archive-header { padding: .75rem 0; }
  .archive-header h1 { font-size: clamp(2.5rem, 7vw, 4rem); }
  .archive-header .taxonomy-nav { display: none; }
  .filter-rail { position: static; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 1rem; max-height: none; padding-right: 0; }
  .search-field { grid-column: 1 / -1; }
  .filter-rail fieldset { padding: .4rem 0; }
  .filter-rail legend, .search-field label { margin-bottom: .35rem; }
  .clear-button { align-self: end; margin-top: .4rem; }
  .archive-list { padding-top: .75rem; }
  .article-layout { grid-template-columns: minmax(0, 68ch); }
  .article-rail .toc { display: none; }
  .article-rail { position: static; max-height: none; }
  .mobile-toc { display: block; margin-top: 2rem; padding: 1rem 0; border-bottom: 1px solid var(--rule-blue); }
  .mobile-toc summary { cursor: pointer; font-weight: 500; }
  .mobile-toc ol { padding-left: 1.25rem; }
}

@media (max-width: 620px) {
  h1 { font-size: 2.15rem; }
  .site-header { align-items: flex-start; }
  .site-header nav { flex-direction: column; gap: .25rem; text-align: right; }
  .home-page .site-header nav { text-align: left; }
  .site-footer { flex-direction: column; }
  .masthead { min-height: 30rem; background-position: 88% 6.5rem, 50% -10rem, 0 0; }
  .masthead h1 { font-size: clamp(2.2rem, 9.5vw, 3.6rem); }
  .session-spine li { grid-template-columns: 3rem 1fr; }
  .session-spine li span:last-child { flex-direction: column; gap: 0; }
  .filter-rail { grid-template-columns: 1fr; }
  .search-field { grid-column: auto; }
  .card-grid, .archive-list { grid-template-columns: 1fr; }
  .results-heading { align-items: flex-start; flex-direction: column; }
  .article-meta { grid-template-columns: 1fr; }
  .step-heading { grid-template-columns: 4rem minmax(0, 1fr); }
  .step-number { font-size: 1.85rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto !important; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}