:root {
  --color-surface: #f2f3f3;
  --color-surface-alt: #e9eaea;
  --color-surface-deep: #dcdede;
  --color-ink: #3c4847;
  --color-ink-soft: #5e6e6d;
  --color-ink-muted: #778887;
  --color-line: #d1d4d4;
  --color-primary: #2d8179;
  --color-primary-ink: #ffffff;
  --color-primary-soft: #d6e3e2;
  --color-accent: #b64977;
  --color-accent-ink: #ffffff;
  --color-highlight: #e7d4dd;
  --color-focus: #bf3b73;
  --color-contrast-surface: #182524;
  --color-contrast-ink: #e4e7e7;
  --color-contrast-line: #45504f;
  --color-contrast-accent: #c56d93;
  --overlay-scrim: linear-gradient(180deg, rgba(24, 37, 36, 0.35) 0%, rgba(24, 37, 36, 0.72) 55%, rgba(24, 37, 36, 0.92) 100%);
  --font-heading: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --font-body: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --text-xs: 12.9px;
  --text-sm: 15.5px;
  --text-base: 17px;
  --text-lg: 20.4px;
  --text-xl: 24.5px;
  --text-2xl: 29.4px;
  --text-3xl: 35.3px;
  --text-4xl: 42.3px;
  --text-display: clamp(34px, 7.0vw, 90px);
  --text-figure: clamp(29px, 5.1vw, 65px);
  --weight-heading: 668;
  --weight-body: 400;
  --leading-body: 1.85;
  --leading-heading: 1.26;
  --tracking-heading: 0.007em;
  --radius-sm: 4px;
  --radius-md: 4px;
  --radius-lg: 5px;
  --radius-pill: 5px;
  --border-thin: 1px;
  --border-thick: 1px;
  --shadow-1: 0 1px 0 rgba(60, 72, 71, 0.12);
  --shadow-2: 0 2px 0 rgba(60, 72, 71, 0.18);
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-6: 48px;
  --space-8: 64px;
  --container: 1200px;
  --measure: 69ch;
  --gutter: 32px;
  --section-y: 111px;
  --section-y-lg: 155px;
}

/* ============================================================
   1. Reset
   ============================================================ */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  background-color: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-body);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  text-wrap: balance;
}

p { margin: 0; }

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

img, svg, video {
  display: block;
  max-width: 100%;
}

img { height: auto; }

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 140ms ease;
}

a:hover { color: var(--color-accent); }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

table { border-collapse: collapse; width: 100%; }

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

::selection {
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
}

/* ============================================================
   2. Layout primitives
   ============================================================ */
.container {
  width: min(100% - 2 * var(--gutter), var(--container));
  margin-inline: auto;
}

.grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

.section { padding-block: var(--section-y); }
.section--lg { padding-block: var(--section-y-lg); }
.section--tight { padding-block: var(--space-8); }

.site-main { display: block; }

.stack > * + * { margin-top: var(--space-3); }

/* ============================================================
   3. Skip link
   ============================================================ */
.skip-link {
  position: fixed;
  top: -140px;
  left: var(--space-2);
  z-index: 200;
  padding: 10px 18px;
  background-color: var(--color-accent);
  color: var(--color-accent-ink);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  border-radius: var(--radius-sm);
  transition: top 160ms ease;
}

.skip-link:focus {
  top: var(--space-2);
  color: var(--color-accent-ink);
}

/* ============================================================
   4. Typography helpers
   ============================================================ */
.prose {
  font-family: "Songti SC", "SimSun", "Source Han Serif SC", "Noto Serif CJK SC", Georgia, serif;
  color: var(--color-ink);
}

.prose :where(p, li, dd, blockquote) { max-width: var(--measure); }
.prose p + p { margin-top: var(--space-2); }
.prose a { border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-primary) 46%, transparent); }

.eyebrow {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: var(--weight-heading);
  letter-spacing: 0.2em;
  color: var(--color-primary);
}

.section-index {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: 400;
  line-height: 0.84;
  letter-spacing: -0.02em;
  color: color-mix(in srgb, var(--color-primary) 58%, transparent);
  font-variant-numeric: tabular-nums;
}

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--color-ink);
}

.lede {
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.muted { color: var(--color-ink-muted); font-size: var(--text-sm); }

/* Vertical / rotated annotation — signature element */
.vlabel {
  display: inline-block;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  letter-spacing: 0.34em;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  line-height: 1;
  color: var(--color-ink-muted);
}

/* Numbered rule — separator language */
.rule-scale {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
}

.rule-scale::after {
  content: "";
  flex: 1 1 auto;
  height: var(--border-thin);
  background-color: var(--color-line);
}

.rule-scale--ticks::before {
  content: "";
  width: 34px;
  height: var(--border-thin);
  background-image: repeating-linear-gradient(
    90deg,
    var(--color-line) 0 1px,
    transparent 1px 6px
  );
}

/* ============================================================
   5. Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: 12px 22px;
  border: var(--border-thin) solid transparent;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  line-height: 1.2;
  text-decoration: none;
  transition: background-color 140ms ease, color 140ms ease, border-color 140ms ease;
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
}
.btn--primary:hover {
  background-color: color-mix(in srgb, var(--color-primary) 82%, var(--color-contrast-surface));
  color: var(--color-primary-ink);
}

.btn--accent {
  background-color: var(--color-accent);
  color: var(--color-accent-ink);
}
.btn--accent:hover {
  background-color: color-mix(in srgb, var(--color-accent) 82%, var(--color-contrast-surface));
  color: var(--color-accent-ink);
}

.btn--ghost {
  background-color: transparent;
  border-color: var(--color-line);
  color: var(--color-ink);
}
.btn--ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: var(--color-primary-soft);
}

.btn--on-dark {
  background-color: transparent;
  border-color: var(--color-contrast-line);
  color: var(--color-contrast-ink);
}
.btn--on-dark:hover {
  border-color: var(--color-contrast-accent);
  color: var(--color-contrast-accent);
}

/* ============================================================
   6. Tags — four-colour change taxonomy
   ============================================================ */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  border: var(--border-thin) solid transparent;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: var(--weight-heading);
  line-height: 1.6;
  white-space: nowrap;
}

.tag--roster {
  background-color: var(--color-primary-soft);
  color: color-mix(in srgb, var(--color-primary) 72%, var(--color-ink));
}
.tag--match {
  background-color: var(--color-highlight);
  color: color-mix(in srgb, var(--color-accent) 78%, var(--color-ink));
}
.tag--data {
  background-color: color-mix(in srgb, var(--color-primary) 18%, var(--color-surface));
  color: color-mix(in srgb, var(--color-primary) 40%, var(--color-accent));
}
.tag--odds {
  background-color: transparent;
  border-color: var(--color-contrast-line);
  color: var(--color-ink-soft);
}

.tag--solid.tag--roster { background-color: var(--color-primary); color: var(--color-primary-ink); }
.tag--solid.tag--match { background-color: var(--color-accent); color: var(--color-accent-ink); }
.tag--solid.tag--data {
  background-color: color-mix(in srgb, var(--color-primary) 52%, var(--color-accent));
  color: var(--color-primary-ink);
}
.tag--solid.tag--odds {
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-color: var(--color-contrast-line);
}

.tag-dot {
  display: inline-block;
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 2px;
}
.tag-dot--roster { background-color: var(--color-primary); }
.tag-dot--match { background-color: var(--color-accent); }
.tag-dot--data { background-color: color-mix(in srgb, var(--color-primary) 52%, var(--color-accent)); }
.tag-dot--odds { background-color: var(--color-contrast-accent); }

/* ============================================================
   7. Dark slab
   ============================================================ */
.slab-dark {
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-top: var(--border-thin) solid var(--color-contrast-line);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.slab-dark :where(h1, h2, h3, h4) { color: var(--color-contrast-ink); }
.slab-dark a { color: var(--color-contrast-accent); }
.slab-dark a:hover { color: var(--color-contrast-ink); }
.slab-dark .lede,
.slab-dark .muted { color: color-mix(in srgb, var(--color-contrast-ink) 72%, transparent); }
.slab-dark .section-index { color: color-mix(in srgb, var(--color-contrast-accent) 62%, transparent); }
.slab-dark .rule-scale { color: color-mix(in srgb, var(--color-contrast-ink) 60%, transparent); }
.slab-dark .rule-scale::after { background-color: var(--color-contrast-line); }
.slab-dark .vlabel { color: color-mix(in srgb, var(--color-contrast-ink) 58%, transparent); }

/* ============================================================
   8. Breadcrumb
   ============================================================ */
.breadcrumb {
  padding-block: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.breadcrumb__list li + li::before {
  content: "/";
  margin-right: var(--space-1);
  color: var(--color-line);
}

.breadcrumb__list a { color: var(--color-ink-soft); }
.breadcrumb__list a:hover { color: var(--color-primary); }
.breadcrumb__list [aria-current="page"] { color: var(--color-ink); }

/* ============================================================
   9. Media containers (image placeholders)
   ============================================================ */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background-color: var(--color-surface-deep);
  isolation: isolate;
}

.media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* duotone tint toward brand teal */
.media::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-color: color-mix(in srgb, var(--color-primary) 38%, transparent);
  mix-blend-mode: multiply;
}

/* switch to scrim when text sits on top */
.media[data-scrim]::after {
  background: var(--overlay-scrim);
  background-color: transparent;
  mix-blend-mode: normal;
}

.media--magenta::after {
  background-color: color-mix(in srgb, var(--color-accent) 34%, transparent);
}

.media--flat::after { display: none; }

.media__caption {
  position: absolute;
  inset: auto 0 0 0;
  z-index: 2;
  padding: var(--space-3);
  color: var(--color-contrast-ink);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.media__caption strong {
  display: block;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
}

.media--16x9 { aspect-ratio: 16 / 9; }
.media--4x3 { aspect-ratio: 4 / 3; }
.media--1x1 { aspect-ratio: 1 / 1; }
.media--3x4 { aspect-ratio: 3 / 4; }

/* ============================================================
   10. Header
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.site-header[data-stuck] {
  box-shadow: 0 1px 0 color-mix(in srgb, var(--color-primary) 34%, transparent);
}

.header-inner {
  width: min(100% - 2 * var(--gutter), var(--container));
  margin-inline: auto;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-3);
  min-height: 66px;
  padding-block: var(--space-1);
}

/* brand */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-contrast-ink);
}

.brand:hover { color: var(--color-contrast-ink); }

.brand__name {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-heading);
  white-space: nowrap;
}

.brand__version {
  padding: 2px 7px;
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.5;
  color: var(--color-contrast-accent);
  font-variant-numeric: tabular-nums;
}

/* nav */
.site-nav { min-width: 0; }

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.site-nav__list a {
  position: relative;
  display: block;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  color: color-mix(in srgb, var(--color-contrast-ink) 76%, transparent);
  text-decoration: none;
  white-space: nowrap;
  transition: color 140ms ease, background-color 140ms ease;
}

.site-nav__list a:hover {
  color: var(--color-contrast-ink);
  background-color: color-mix(in srgb, var(--color-primary) 26%, transparent);
}

.site-nav__list a[aria-current="page"] {
  color: var(--color-contrast-ink);
  background-color: color-mix(in srgb, var(--color-primary) 34%, transparent);
}

.site-nav__list a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 3px;
  height: 2px;
  background-color: var(--color-accent);
}

/* utility cluster */
.header-utility {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.header-vlabel {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  letter-spacing: 0.3em;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  line-height: 1;
  color: color-mix(in srgb, var(--color-contrast-ink) 48%, transparent);
  max-height: 40px;
}

.tag-legend {
  display: flex;
  align-items: center;
  gap: 12px;
}

.tag-legend__item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  color: color-mix(in srgb, var(--color-contrast-ink) 68%, transparent);
  white-space: nowrap;
}

.header-search {
  padding: 7px 14px;
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: var(--weight-heading);
  letter-spacing: 0.06em;
  color: var(--color-contrast-ink);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 140ms ease, color 140ms ease;
}

.header-search:hover {
  border-color: var(--color-primary);
  color: color-mix(in srgb, var(--color-primary) 58%, var(--color-contrast-ink));
}

/* mobile toggle */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  color: var(--color-contrast-ink);
}

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 16px;
  height: 2px;
  background-color: var(--color-contrast-ink);
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  background-color: var(--color-contrast-ink);
  transition: transform 140ms ease, top 140ms ease;
}

.nav-toggle__bars::before { top: -5px; }
.nav-toggle__bars::after { top: 5px; }

.site-header[data-open] .nav-toggle__bars { background-color: transparent; }
.site-header[data-open] .nav-toggle__bars::before { top: 0; transform: rotate(45deg); }
.site-header[data-open] .nav-toggle__bars::after { top: 0; transform: rotate(-45deg); }

/* scroll progress */
.scroll-progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  pointer-events: none;
}

/* ============================================================
   11. Footer
   ============================================================ */
.site-footer {
  margin-top: var(--section-y);
  padding-block: var(--space-8) var(--space-4);
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.footer-inner { display: block; }

.footer-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.footer-brand {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.footer-sub {
  margin-top: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
}

.footer-vlabel {
  color: color-mix(in srgb, var(--color-contrast-accent) 78%, transparent);
  max-height: 84px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-6) var(--space-4);
  padding-block: var(--space-6);
}

.footer-col__title {
  margin-bottom: var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: var(--weight-heading);
  letter-spacing: 0.22em;
  color: var(--color-contrast-accent);
}

.footer-links li + li { margin-top: 10px; }

.footer-links a {
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 84%, transparent);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--color-contrast-accent);
}

.footer-links--inline {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.footer-links--inline li + li { margin-top: 0; }

.footer-tags li {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 84%, transparent);
}

.footer-tags li + li { margin-top: 10px; }

.footer-text {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: color-mix(in srgb, var(--color-contrast-ink) 70%, transparent);
  max-width: 34ch;
}

.footer-contact li {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.9;
  color: color-mix(in srgb, var(--color-contrast-ink) 76%, transparent);
  word-break: break-word;
}

.footer-contact li:last-child {
  font-family: var(--font-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 58%, transparent);
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-contrast-line);
  font-size: var(--text-xs);
  color: color-mix(in srgb, var(--color-contrast-ink) 58%, transparent);
}

.footer-base__note { color: color-mix(in srgb, var(--color-contrast-ink) 46%, transparent); }

.footer-base__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.footer-base__links a {
  color: color-mix(in srgb, var(--color-contrast-ink) 72%, transparent);
  font-size: var(--text-xs);
}

.footer-base__links a:hover { color: var(--color-contrast-accent); }

/* ============================================================
   12. Reveal
   ============================================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 160ms ease, transform 160ms ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ============================================================
   13. Responsive
   ============================================================ */
@media (max-width: 1100px) {
  .header-vlabel { display: none; }
  .tag-legend { gap: 9px; }
  .site-nav__list a { padding: 9px 9px; font-size: var(--text-xs); }
}

@media (max-width: 900px) {
  :root { --gutter: 20px; }

  .header-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    min-height: 62px;
  }

  .nav-toggle { display: inline-flex; }
  .tag-legend { display: none; }
  .header-search { display: none; }

  .site-nav {
    grid-column: 1 / -1;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    max-height: 0;
    overflow: hidden;
    background-color: var(--color-contrast-surface);
    border-bottom: var(--border-thin) solid var(--color-contrast-line);
    transition: max-height 200ms ease;
  }

  .site-header[data-open] .site-nav { max-height: 560px; }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-2) var(--gutter) var(--space-4);
  }

  .site-nav__list a {
    padding: 13px 6px;
    border-bottom: var(--border-thin) solid var(--color-contrast-line);
    border-radius: 0;
    font-size: var(--text-sm);
  }

  .site-nav__list li:last-child a { border-bottom: 0; }

  .site-nav__list a[aria-current="page"] {
    background-color: transparent;
    padding-left: 16px;
  }

  .site-nav__list a[aria-current="page"]::after {
    left: 0;
    right: auto;
    bottom: 50%;
    width: 3px;
    height: 16px;
    transform: translateY(50%);
  }

  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-text { max-width: none; }
  .footer-head { flex-direction: column; }
  .footer-vlabel {
    writing-mode: horizontal-tb;
    letter-spacing: 0.24em;
    max-height: none;
  }
}

@media (max-width: 620px) {
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .footer-base { flex-direction: column; align-items: flex-start; }
  .footer-brand { font-size: var(--text-xl); }
  .grid { gap: var(--space-3); }
}

/* ============================================================
   14. Motion preferences
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}