:root {
  --color-surface: #fcfcfb;
  --color-surface-alt: #f3f3f2;
  --color-surface-deep: #e7e7e5;
  --color-ink: #4a4a40;
  --color-ink-soft: #6f6f62;
  --color-ink-muted: #868679;
  --color-line: #dcdcd9;
  --color-primary: #767a24;
  --color-primary-ink: #ffffff;
  --color-primary-soft: #e9eadd;
  --color-accent: #b15f2b;
  --color-accent-ink: #ffffff;
  --color-highlight: #eee0d6;
  --color-focus: #b3581e;
  --color-contrast-surface: #252617;
  --color-contrast-ink: #e7e7e4;
  --color-contrast-line: #505044;
  --color-contrast-accent: #cf743a;
  --overlay-scrim: linear-gradient(180deg, rgba(37, 38, 23, 0.35) 0%, rgba(37, 38, 23, 0.72) 55%, rgba(37, 38, 23, 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: 12.2px;
  --text-sm: 15.2px;
  --text-base: 17px;
  --text-lg: 21.2px;
  --text-xl: 26.6px;
  --text-2xl: 33.2px;
  --text-3xl: 41.5px;
  --text-4xl: 51.9px;
  --text-display: clamp(34px, 6.1vw, 78px);
  --text-figure: clamp(28px, 4.4vw, 56px);
  --weight-heading: 717;
  --weight-body: 400;
  --leading-body: 1.81;
  --leading-heading: 1.23;
  --tracking-heading: -0.001em;
  --radius-sm: 14px;
  --radius-md: 20px;
  --radius-lg: 26px;
  --radius-pill: 999px;
  --border-thin: 1px;
  --border-thick: 1px;
  --shadow-1: 0 6px 18px rgba(74, 74, 64, 0.08);
  --shadow-2: 0 18px 44px rgba(74, 74, 64, 0.14);
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-6: 48px;
  --space-8: 64px;
  --container: 1140px;
  --measure: 73ch;
  --gutter: 32px;
  --section-y: 84px;
  --section-y-lg: 118px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 104px;
}

body {
  --dur: 240ms;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-body);
  line-height: var(--leading-body);
  color: var(--color-ink);
  background-color: var(--color-surface);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

[hidden] { display: none !important; }

button, input, select, textarea { font: inherit; color: inherit; }

ul, ol { margin: 0; padding: 0; }

a {
  color: var(--color-ink);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--color-accent) 52%, transparent);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease), text-decoration-color var(--dur) var(--ease);
}
a:hover { color: var(--color-accent); text-decoration-color: var(--color-accent); }

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: 6px;
}

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

/* ---------- typography ---------- */
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);
}

h1, .h1 { font-size: var(--text-3xl); }
h2, .h2 { font-size: var(--text-2xl); }
h3, .h3 { font-size: var(--text-xl); }
h4, .h4 { font-size: var(--text-lg); }

p { margin: 0 0 var(--space-3); }
p:last-child { margin-bottom: 0; }

.display {
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 1.06;
  letter-spacing: -0.022em;
  margin: 0;
}

.figure-value {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  letter-spacing: -0.02em;
}

.lede {
  font-size: var(--text-lg);
  line-height: 1.62;
  color: var(--color-ink-soft);
  max-width: var(--measure);
  margin: 0;
}

.prose { max-width: var(--measure); }
.prose p { margin: 0 0 var(--space-3); }
.prose ul, .prose ol { margin: 0 0 var(--space-3); padding-left: 1.3em; }
.prose li { margin-bottom: 6px; }
.prose strong { font-weight: var(--weight-heading); color: var(--color-ink); }

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

.mark {
  background-image: linear-gradient(transparent 56%, color-mix(in srgb, var(--color-highlight) 92%, transparent) 56%);
  padding: 0 3px;
  border-radius: 3px;
}

.keyline {
  border-bottom: 3px solid var(--color-accent);
  padding-bottom: 2px;
}

/* ---------- shell & grid ---------- */
.shell {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-y); }
.section--lg { padding-block: var(--section-y-lg); }
.section--tight { padding-block: var(--space-6); }

.grid { display: grid; gap: var(--gutter); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid--sidebar { grid-template-columns: minmax(0, 1fr) minmax(248px, 312px); align-items: start; }
.grid--gap-sm { gap: var(--space-3); }

/* ---------- bands & dividers ---------- */
.band {
  background-color: var(--color-surface-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
}

.band--deep { background-color: var(--color-surface-deep); }

.gradient-veil {
  background-image:
    radial-gradient(115% 92% at 6% 0%, color-mix(in srgb, var(--color-primary-soft) 94%, transparent) 0%, transparent 58%),
    radial-gradient(88% 84% at 100% 10%, color-mix(in srgb, var(--color-highlight) 88%, transparent) 0%, transparent 62%),
    linear-gradient(180deg, var(--color-surface-alt) 0%, var(--color-surface) 100%);
  background-color: var(--color-surface-alt);
}

.gradient-veil--dark {
  background-image:
    radial-gradient(110% 90% at 8% 0%, color-mix(in srgb, var(--color-primary) 34%, transparent) 0%, transparent 58%),
    radial-gradient(86% 80% at 100% 8%, color-mix(in srgb, var(--color-accent) 38%, transparent) 0%, transparent 62%),
    linear-gradient(180deg, var(--color-contrast-surface) 0%, color-mix(in srgb, var(--color-contrast-surface) 88%, #000000) 100%);
  color: var(--color-contrast-ink);
}

.rule { border: 0; margin-block: var(--space-6); }
.rule--double { border-top: 4px double var(--color-line); }
.rule--heavy { border-top: 3px solid var(--color-ink); }
.rule--accent { border-top: 3px solid var(--color-accent); }

.section-head {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}
.section-head__title { margin: 0; }
.section-head__text {
  max-width: var(--measure);
  color: var(--color-ink-soft);
  font-size: var(--text-base);
  margin: 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent);
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 3px;
  border-radius: 2px;
  background-image: linear-gradient(90deg, var(--color-accent), var(--color-primary));
}

/* ---------- header ---------- */
.skip-link {
  position: fixed;
  left: var(--space-2);
  top: -140px;
  z-index: 200;
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: var(--space-2); color: var(--color-contrast-ink); }

.site-header {
  --header-h: 76px;
  --nav-line-x: 12px;
  position: sticky;
  top: 0;
  z-index: 60;
  background-color: color-mix(in srgb, var(--color-surface) 88%, transparent);
  -webkit-backdrop-filter: blur(16px) saturate(1.25);
  backdrop-filter: blur(16px) saturate(1.25);
  border-bottom: 4px double var(--color-line);
}

.scroll-progress {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  border-radius: 0 var(--radius-pill) var(--radius-pill) 0;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background-image: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  pointer-events: none;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  min-height: var(--header-h);
  padding-block: 10px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  flex: 0 0 auto;
  text-decoration: none;
  color: var(--color-ink);
}
.brand:hover { color: var(--color-ink); }

.brand__mark {
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  border: var(--border-thin) solid color-mix(in srgb, var(--color-primary) 22%, transparent);
  background-image: linear-gradient(140deg, var(--color-primary-soft) 0%, var(--color-highlight) 100%);
  box-shadow: var(--shadow-1);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  color: var(--color-primary);
}

.brand__text { display: flex; flex-direction: column; line-height: 1.16; }
.brand__name {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-heading);
}
.brand__note {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: var(--space-1);
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  border: var(--border-thin) solid var(--color-line);
  background-color: var(--color-surface-alt);
  color: var(--color-ink);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.nav-toggle:hover { border-color: var(--color-accent); color: var(--color-accent); }

.nav-toggle__bars {
  position: relative;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background-color: currentColor;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background-color: currentColor;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background-color: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { transform: translateY(-6px) rotate(-45deg); }

.nav-toggle__label { letter-spacing: 0.04em; }

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex: 1 1 auto;
  justify-content: flex-end;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__list a {
  position: relative;
  display: inline-block;
  padding: 10px 12px;
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  text-decoration: none;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.site-nav__list a::after {
  content: "";
  position: absolute;
  left: var(--nav-line-x);
  right: var(--nav-line-x);
  bottom: 3px;
  height: 3px;
  border-radius: 2px;
  background-image: linear-gradient(90deg, var(--color-accent), var(--color-primary));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur) var(--ease);
}
.site-nav__list a:hover { color: var(--color-ink); }
.site-nav__list a:hover::after { transform: scaleX(1); }
.site-nav__list a[aria-current="page"] {
  color: var(--color-primary);
  background-color: var(--color-primary-soft);
}
.site-nav__list a[aria-current="page"]::after { transform: scaleX(1); }

.quick-rail {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding-left: var(--space-3);
  border-left: 4px double var(--color-line);
}

.quick-rail__item {
  white-space: nowrap;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  border: var(--border-thin) solid color-mix(in srgb, var(--color-primary) 20%, transparent);
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: var(--text-xs);
  text-decoration: none;
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.quick-rail__item:hover {
  transform: translateY(-2px);
  color: var(--color-accent);
  background-color: color-mix(in srgb, var(--color-primary-soft) 58%, var(--color-highlight));
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: 13px 26px;
  border-radius: var(--radius-pill);
  border: var(--border-thin) solid transparent;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-sm);
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background-color var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.btn:hover { transform: translateY(-2px); }

.btn--primary {
  background-image: linear-gradient(135deg, var(--color-primary) 0%, color-mix(in srgb, var(--color-primary) 66%, var(--color-accent)) 100%);
  color: var(--color-primary-ink);
  box-shadow: var(--shadow-1);
}
.btn--primary:hover { color: var(--color-primary-ink); box-shadow: var(--shadow-2); }

.btn--accent {
  background-color: var(--color-accent);
  color: var(--color-accent-ink);
}
.btn--accent:hover { color: var(--color-accent-ink); background-color: var(--color-focus); }

.btn--ghost {
  background-color: var(--color-surface);
  border-color: var(--color-line);
  color: var(--color-ink);
  text-decoration: none;
}
.btn--ghost:hover { border-color: var(--color-accent); color: var(--color-accent); }

.btn--small { padding: 9px 18px; font-size: var(--text-xs); }

/* ---------- breadcrumb ---------- */
.breadcrumb {
  padding-block: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.breadcrumb li { display: inline-flex; align-items: center; }
.breadcrumb li:not(:last-child)::after {
  content: "／";
  margin-inline: 8px;
  color: var(--color-line);
}
.breadcrumb a { color: var(--color-ink-soft); text-decoration: none; }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb [aria-current="page"] { color: var(--color-ink); }

/* ---------- cards & plates ---------- */
.card {
  background-color: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-1);
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.card:hover {
  box-shadow: var(--shadow-2);
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--color-primary) 26%, transparent);
}
.card--flat {
  background-color: var(--color-surface-alt);
  border-color: transparent;
  box-shadow: none;
}
.card--flat:hover { transform: none; box-shadow: none; border-color: transparent; }
.card--accent { border-color: var(--color-accent); box-shadow: var(--shadow-2); }

.card__title { font-size: var(--text-lg); margin: 0 0 var(--space-1); }
.card__text { color: var(--color-ink-soft); font-size: var(--text-sm); margin: 0; }

.plate {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: var(--border-thin) solid color-mix(in srgb, var(--color-primary) 22%, transparent);
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
}
.plate--accent {
  border-color: color-mix(in srgb, var(--color-accent) 30%, transparent);
  background-color: var(--color-highlight);
  color: var(--color-accent);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 13px;
  border-radius: var(--radius-pill);
  border: var(--border-thin) solid var(--color-line);
  background-color: var(--color-surface-deep);
  color: var(--color-ink-soft);
  font-size: var(--text-xs);
}

/* ---------- stat strip ---------- */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(158px, 1fr));
  gap: var(--space-3);
  list-style: none;
  margin: 0;
  padding: 0;
}
.stat-strip__item {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: var(--border-thin) solid var(--color-line);
  background-color: var(--color-surface);
  box-shadow: var(--shadow-1);
}
.stat-strip__label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-1);
}
.stat-strip__value {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  color: var(--color-ink);
}
.stat-strip__value em {
  font-style: normal;
  font-size: var(--text-base);
  color: var(--color-ink-soft);
  margin-left: 4px;
}

/* ---------- filter bar ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  padding-block: var(--space-2);
  border-block: 4px double var(--color-line);
}

.filter-btn {
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  border: var(--border-thin) solid var(--color-line);
  background-color: var(--color-surface);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.filter-btn:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}
.filter-btn[aria-pressed="true"] {
  background-color: var(--color-primary-soft);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-status {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

/* ---------- accordion ---------- */
.accordion {
  border-top: 4px double var(--color-line);
  border-bottom: 4px double var(--color-line);
}
.accordion__item { border-bottom: var(--border-thin) solid var(--color-line); }
.accordion__item:last-child { border-bottom: 0; }

.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border: 0;
  background: none;
  text-align: left;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-ink);
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}
.accordion__trigger:hover { color: var(--color-accent); }

.accordion__icon {
  flex: 0 0 auto;
  position: relative;
  width: 22px;
  height: 22px;
  border-radius: var(--radius-sm);
  border: var(--border-thin) solid var(--color-line);
  background-color: var(--color-surface-alt);
}
.accordion__icon::before,
.accordion__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 2px;
  border-radius: 2px;
  background-color: var(--color-accent);
  transform: translate(-50%, -50%);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.accordion__icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.accordion__trigger[aria-expanded="true"] .accordion__icon::after { opacity: 0; }

.accordion__panel { padding: 0 0 var(--space-3); }
.accordion__panel > :first-child { margin-top: 0; }
.accordion__panel p { color: var(--color-ink-soft); max-width: var(--measure); }

/* ---------- copy button ---------- */
.copy-btn {
  flex: 0 0 auto;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  border: var(--border-thin) solid var(--color-line);
  background-color: var(--color-surface-alt);
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.copy-btn:hover { color: var(--color-accent); border-color: var(--color-accent); }
.copy-btn[data-copied="true"] {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background-color: var(--color-highlight);
}

/* ---------- media ---------- */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: var(--border-thin) solid var(--color-line);
  background-image: linear-gradient(140deg, var(--color-surface-alt) 0%, var(--color-primary-soft) 60%, var(--color-highlight) 100%);
}
.media > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media--pan { aspect-ratio: 21 / 9; }
.media--wide { aspect-ratio: 16 / 9; }
.media--square { aspect-ratio: 1 / 1; }
.media--portrait { aspect-ratio: 4 / 5; }
.media--tall { aspect-ratio: 3 / 4; }

.media__scrim {
  position: absolute;
  inset: 0;
  background-image: var(--overlay-scrim);
  pointer-events: none;
}
.media__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: var(--space-3);
  color: var(--color-contrast-ink);
  font-size: var(--text-sm);
}
.media__caption strong {
  display: block;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  margin-bottom: 4px;
}

/* ---------- footer ---------- */
.site-footer {
  margin-top: var(--section-y-lg);
  padding-block: var(--space-8) var(--space-4);
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-top: 4px double var(--color-contrast-line);
  font-size: var(--text-sm);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.95fr);
  gap: var(--space-8);
}

.site-footer__brand { display: grid; gap: var(--space-2); align-content: start; }

.footer-brandline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  color: var(--color-contrast-ink);
}
.footer-brandline__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-image: linear-gradient(140deg, var(--color-contrast-accent), var(--color-primary));
}

.site-footer__tagline {
  margin: 0;
  max-width: 40ch;
  color: color-mix(in srgb, var(--color-contrast-ink) 72%, transparent);
  line-height: 1.72;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.footer-col__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-contrast-accent);
}
.footer-col ul { list-style: none; display: grid; gap: 10px; }
.footer-col a {
  color: color-mix(in srgb, var(--color-contrast-ink) 84%, transparent);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.footer-col a:hover {
  color: var(--color-contrast-accent);
  border-bottom-color: var(--color-contrast-accent);
}

.site-footer__contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-3);
  margin-top: var(--space-8);
  padding-top: var(--space-4);
  border-top: 4px double var(--color-contrast-line);
}

.contact-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 8px 7px 16px;
  border-radius: var(--radius-pill);
  border: var(--border-thin) solid var(--color-contrast-line);
  background-color: color-mix(in srgb, var(--color-contrast-ink) 7%, transparent);
}
.contact-chip__text {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: color-mix(in srgb, var(--color-contrast-ink) 90%, transparent);
}

.site-footer .copy-btn {
  border-color: var(--color-contrast-line);
  background-color: transparent;
  color: color-mix(in srgb, var(--color-contrast-ink) 78%, transparent);
}
.site-footer .copy-btn:hover,
.site-footer .copy-btn[data-copied="true"] {
  color: var(--color-contrast-accent);
  border-color: var(--color-contrast-accent);
  background-color: color-mix(in srgb, var(--color-contrast-accent) 16%, transparent);
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2) var(--space-3);
  margin-top: var(--space-4);
  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) 62%, transparent);
}

.site-footer__legal {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}
.site-footer__legal a {
  color: inherit;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.site-footer__legal a:hover {
  color: var(--color-contrast-accent);
  border-bottom-color: var(--color-contrast-accent);
}
.site-footer__icp { font-family: var(--font-mono); }

/* ---------- motion ---------- */
html.js-on [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
}
html.js-on [data-reveal].is-visible {
  opacity: 1;
  transform: none;
  transition: opacity 460ms var(--ease), transform 460ms var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--sidebar { grid-template-columns: minmax(0, 1fr); }
  .site-footer__grid { grid-template-columns: minmax(0, 1fr); gap: var(--space-6); }
  .section { padding-block: var(--space-8); }
  .section--lg { padding-block: var(--section-y); }
}

@media (max-width: 960px) {
  .site-header { --header-h: 66px; --nav-line-x: 16px; }

  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: var(--space-2);
    max-height: calc(100dvh - var(--header-h));
    overflow-y: auto;
    padding: var(--space-4) var(--gutter) var(--space-6);
    background-color: var(--color-surface);
    border-bottom: 4px double var(--color-line);
    box-shadow: var(--shadow-2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur) linear;
  }
  .site-nav[data-open] {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    width: 100%;
  }
  .site-nav__list a {
    display: block;
    padding: 14px 16px;
    border-radius: var(--radius-md);
    font-size: var(--text-base);
  }

  .quick-rail {
    flex-wrap: wrap;
    padding-left: 0;
    padding-top: var(--space-3);
    border-left: 0;
    border-top: 4px double var(--color-line);
  }
  .quick-rail__item { padding: 9px 16px; font-size: var(--text-sm); }
}

@media (max-width: 760px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: minmax(0, 1fr); }

  .band { padding: var(--space-6) var(--space-3); }

  .footer-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); }

  .contact-chip {
    width: 100%;
    justify-content: space-between;
    border-radius: var(--radius-md);
  }
  .contact-chip__text { word-break: break-all; }

  .site-footer__bottom { justify-content: flex-start; }

  .filter-status { margin-left: 0; width: 100%; }
}

@media (max-width: 520px) {
  .shell { padding-inline: 20px; }
  .brand__mark { width: 38px; height: 38px; }
  .brand__name { font-size: var(--text-base); }
  .footer-cols { grid-template-columns: minmax(0, 1fr); }
  .stat-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  html { scroll-behavior: auto; }
  html.js-on [data-reveal] { opacity: 1; transform: none; }
  .card:hover,
  .btn:hover,
  .filter-btn:hover,
  .quick-rail__item:hover { transform: none; }
}