:root {
  --color-surface: #efeeed;
  --color-surface-alt: #e7e5e4;
  --color-surface-deep: #dbd9d7;
  --color-ink: #474138;
  --color-ink-soft: #6f6558;
  --color-ink-muted: #8c8173;
  --color-line: #d1cfcc;
  --color-primary: #916d40;
  --color-primary-ink: #ffffff;
  --color-primary-soft: #e2dcd5;
  --color-accent: #cb480b;
  --color-accent-ink: #ffffff;
  --color-highlight: #e9d0c4;
  --color-focus: #bc3c01;
  --color-contrast-surface: #26211b;
  --color-contrast-ink: #e7e6e4;
  --color-contrast-line: #504c47;
  --color-contrast-accent: #f1560e;
  --overlay-scrim: linear-gradient(180deg, rgba(38, 33, 27, 0.35) 0%, rgba(38, 33, 27, 0.72) 55%, rgba(38, 33, 27, 0.92) 100%);
  --font-heading: STZhongsong, "Source Han Serif SC", "Songti SC", SimSun, serif;
  --font-body: "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, Menlo, Consolas, monospace;
  --text-xs: 9.5px;
  --text-sm: 13.5px;
  --text-base: 16px;
  --text-lg: 22.6px;
  --text-xl: 32.0px;
  --text-2xl: 45.2px;
  --text-3xl: 64.0px;
  --text-4xl: 90.4px;
  --text-display: clamp(43px, 8.9vw, 114px);
  --text-figure: clamp(36px, 6.4vw, 82px);
  --weight-heading: 679;
  --weight-body: 400;
  --leading-body: 1.78;
  --leading-heading: 1.28;
  --tracking-heading: 0.008em;
  --radius-sm: 0px;
  --radius-md: 1px;
  --radius-lg: 2px;
  --radius-pill: 2px;
  --border-thin: 1px;
  --border-thick: 3px;
  --shadow-1: 0 1px 0 rgba(71, 65, 56, 0.12);
  --shadow-2: 0 2px 0 rgba(71, 65, 56, 0.18);
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-6: 48px;
  --space-8: 64px;
  --container: 1160px;
  --measure: 70ch;
  --gutter: 24px;
  --section-y: 73px;
  --section-y-lg: 102px;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background-color: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  font-weight: var(--weight-body);
  letter-spacing: 0.014em;
  text-rendering: optimizeLegibility;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: radial-gradient(color-mix(in srgb, var(--color-ink) 7%, transparent) 1px, transparent 1px);
  background-size: 4px 4px;
  opacity: 0.7;
}
img, svg { max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
ul, ol { margin: 0; padding: 0; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-2);
}
p { margin: 0 0 var(--space-2); }
p:last-child { margin-bottom: 0; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-accent); }
strong { font-weight: var(--weight-heading); }
::selection { background: var(--color-highlight); color: var(--color-ink); }

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.is-hidden { display: none !important; }

/* ---------- layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--space-3);
  padding-right: var(--space-3);
}
#main-content { position: relative; z-index: 1; }
.section { padding: var(--section-y) 0; }
.section--lg { padding: var(--section-y-lg) 0; }
.measure { max-width: var(--measure); }
.stack > * + * { margin-top: var(--space-3); }

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gutter);
}
.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-6 { grid-column: span 6; }
.col-8 { grid-column: span 8; }
.col-9 { grid-column: span 9; }
.col-12 { grid-column: span 12; }

.section-head {
  max-width: 64ch;
  margin: 0 auto var(--space-6);
  text-align: center;
}
.section-kicker {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin: 0 0 var(--space-2);
}
.section-title { font-size: var(--text-2xl); margin-bottom: var(--space-2); }
.section-lede { font-size: var(--text-sm); color: var(--color-ink-soft); margin: 0; }

.rule {
  border: 0;
  border-top: var(--border-thin) solid var(--color-line);
  margin: var(--space-4) 0;
}
.rule--dotted { border-top-style: dotted; border-top-width: 2px; }
.rule--double { border-top-style: double; border-top-width: var(--border-thick); border-top-color: var(--color-primary); }

.panel {
  background: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-1);
  padding: var(--space-4);
}
.panel--alt { background: var(--color-surface); }
.panel--deep {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-color: var(--color-contrast-line);
}
.panel--deep h1, .panel--deep h2, .panel--deep h3, .panel--deep h4 { color: var(--color-contrast-ink); }
.panel--deep a { color: var(--color-contrast-accent); }

.index-number {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: color-mix(in srgb, var(--color-primary) 48%, var(--color-surface));
}

/* ---------- buttons & tags ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 12px 22px;
  border: var(--border-thin) solid var(--color-ink);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-ink);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.16s ease, background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
  box-shadow: var(--shadow-2);
}
.btn--primary:hover { color: var(--color-primary-ink); background: color-mix(in srgb, var(--color-primary) 86%, var(--color-ink)); }
.btn--accent {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-ink);
  box-shadow: var(--shadow-2);
}
.btn--accent:hover { color: var(--color-accent-ink); background: color-mix(in srgb, var(--color-accent) 86%, var(--color-ink)); }
.btn--ghost {
  border-style: solid;
  border-color: var(--color-line);
  background: var(--color-surface);
  color: var(--color-ink-soft);
}
.btn--ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  border: var(--border-thin) solid var(--color-line);
  color: var(--color-ink-soft);
  background: var(--color-surface-alt);
}
.tag--accent {
  background: var(--color-highlight);
  border: var(--border-thin) dashed var(--color-accent);
  color: color-mix(in srgb, var(--color-accent) 82%, var(--color-ink));
}
.tag--outline { background: transparent; border-color: var(--color-primary); color: var(--color-primary); }

/* ---------- data strip ---------- */
.data-strip {
  background: 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);
}
.data-strip__inner {
  display: flex;
  align-items: stretch;
  gap: var(--space-4);
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
  overflow-x: auto;
  scrollbar-width: thin;
}
.data-cell {
  flex: 0 0 auto;
  min-width: 132px;
  padding-right: var(--space-4);
  border-right: 2px dotted var(--color-contrast-line);
}
.data-cell:last-child { border-right: 0; padding-right: 0; }
.data-value {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  line-height: 1.1;
  color: var(--color-contrast-accent);
}
.data-label {
  display: block;
  margin-top: 4px;
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: color-mix(in srgb, var(--color-contrast-ink) 72%, transparent);
}

/* ---------- figures ---------- */
.figure { margin: 0 0 var(--space-4); }
.figure__caption {
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}
.frame {
  position: relative;
  display: block;
  padding: 6px;
  background: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-1);
}
.frame__inner {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--color-surface-deep);
}
.frame__inner img,
.frame__inner picture > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.frame--wide .frame__inner { aspect-ratio: 16 / 9; }
.frame--tall .frame__inner { aspect-ratio: 3 / 4; }
.frame--square .frame__inner { aspect-ratio: 1 / 1; }
.scrim { position: absolute; inset: 0; background: var(--overlay-scrim); }
.scrim--text {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 4px;
  padding: var(--space-4);
}
.scrim__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--color-contrast-ink);
}
.scrim__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  color: var(--color-contrast-accent);
}

/* ---------- breadcrumbs & filters ---------- */
.breadcrumbs {
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  color: var(--color-ink-muted);
}
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: var(--space-1); list-style: none; }
.breadcrumbs a { color: var(--color-ink-muted); }
.breadcrumbs a:hover { color: var(--color-accent); }
.breadcrumbs li + li::before { content: "/"; margin-right: var(--space-1); color: var(--color-line); }

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  padding: var(--space-2) 0;
  border-top: 2px dotted var(--color-line);
  border-bottom: 2px dotted var(--color-line);
}
.filter-btn {
  padding: 8px 16px;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}
.filter-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.filter-btn[aria-pressed="true"] {
  background: var(--color-highlight);
  border-color: var(--color-accent);
  color: color-mix(in srgb, var(--color-accent) 84%, var(--color-ink));
}

/* ---------- motion ---------- */
html.js .reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
html.js .reveal.is-visible { opacity: 1; transform: none; }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--color-surface);
  border-bottom: var(--border-thick) double var(--color-line);
}
.skip-link {
  position: absolute;
  left: var(--space-3);
  top: -80px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--color-accent);
  color: var(--color-accent-ink);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  transition: top 0.16s ease;
}
.skip-link:focus { top: var(--space-2); color: var(--color-accent-ink); }

.header-utility {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}
.header-utility__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  min-height: 34px;
  padding-top: 6px;
  padding-bottom: 6px;
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
}
.seal {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin: 0;
  color: var(--color-contrast-ink);
}
.seal__mark {
  display: inline-block;
  padding: 2px 6px;
  border: var(--border-thin) solid var(--color-contrast-accent);
  color: var(--color-contrast-accent);
  font-family: var(--font-mono);
  letter-spacing: 0.22em;
}
.seal__text { color: color-mix(in srgb, var(--color-contrast-ink) 78%, transparent); }
.utility-note {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, transparent);
}
.pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-contrast-accent);
  animation: jb-pulse 2.4s ease-out infinite;
}
@keyframes jb-pulse {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--color-contrast-accent) 65%, transparent); }
  70% { box-shadow: 0 0 0 9px color-mix(in srgb, var(--color-contrast-accent) 0%, transparent); }
  100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--color-contrast-accent) 0%, transparent); }
}
.utility-count {
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  color: var(--color-contrast-accent);
}

.header-main { padding: var(--space-3) 0; }
.header-main__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-ink);
  text-decoration: none;
}
.brand:hover { color: var(--color-ink); }
.brand__name {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  letter-spacing: 0.06em;
}
.brand__rule {
  display: block;
  width: 0;
  height: 1.4em;
  border-left: var(--border-thick) double var(--color-primary);
}
.brand__sub {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.3em;
  color: var(--color-ink-muted);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: var(--space-1);
  padding: 8px 14px;
  background: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  letter-spacing: 0.14em;
  cursor: pointer;
}
.nav-toggle__bars { display: inline-flex; flex-direction: column; gap: 4px; }
.nav-toggle__bars i { display: block; width: 16px; height: 2px; background: var(--color-accent); }
.nav-toggle[aria-expanded="true"] { border-color: var(--color-accent); background: var(--color-highlight); }

.site-nav { display: flex; align-items: center; }
.nav-list { display: flex; align-items: center; gap: var(--space-3); list-style: none; }
.nav-link {
  position: relative;
  display: inline-block;
  padding: 6px 2px;
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  color: var(--color-ink);
  text-decoration: none;
  transition: color 0.16s ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.22s ease;
}
.nav-link:hover { color: var(--color-primary); }
.nav-link:hover::after, .nav-link:focus-visible::after { transform: scaleX(1); }
.nav-link[aria-current="page"] { color: color-mix(in srgb, var(--color-accent) 84%, var(--color-ink)); }
.nav-link[aria-current="page"]::after { transform: scaleX(1); height: var(--border-thick); }

.scan-bar { height: 3px; background: var(--color-surface-deep); }
.scan-bar__fill {
  display: block;
  height: 100%;
  width: 100%;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.12s linear;
}

/* ---------- footer ---------- */
.site-footer {
  position: relative;
  z-index: 1;
  margin-top: var(--section-y-lg);
  background: var(--color-surface-deep);
  border-top: var(--border-thick) double var(--color-line);
  color: var(--color-ink);
}
.footer-index { padding: var(--space-8) 0 var(--space-6); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: var(--space-6) var(--gutter);
}
.footer-col { min-width: 0; }
.footer-col + .footer-col { border-left: 2px dotted var(--color-line); padding-left: var(--space-3); }
.footer-brand {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  letter-spacing: 0.06em;
  margin: 0 0 4px;
}
.footer-sub {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.22em;
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-2);
}
.footer-seal {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0 0 var(--space-2);
  padding: 4px 10px;
  border: var(--border-thin) dashed var(--color-primary);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-primary);
}
.footer-seal span { font-family: var(--font-mono); color: var(--color-accent); letter-spacing: 0.2em; }
.footer-note { font-size: var(--text-sm); color: var(--color-ink-soft); margin: 0; }
.footer-title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-body);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin: 0 0 var(--space-2);
}
.footer-list { list-style: none; }
.footer-list li + li { margin-top: 6px; }
.footer-list a {
  color: var(--color-ink);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  border-bottom: var(--border-thin) solid transparent;
}
.footer-list a:hover { color: var(--color-accent); border-bottom-color: var(--color-accent); }
.footer-meta { list-style: none; font-size: var(--text-sm); color: var(--color-ink-soft); }
.footer-meta li { margin-bottom: var(--space-1); line-height: 1.6; }
.footer-meta__k {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.24em;
  color: var(--color-ink-muted);
}
.footer-legal {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-top: var(--border-thin) solid var(--color-contrast-line);
}
.footer-legal__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2) var(--space-4);
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
}
.footer-legal__inner p { margin: 0; }
.footer-legal__icp { font-family: var(--font-mono); color: var(--color-contrast-accent); }
.footer-legal__copy { color: color-mix(in srgb, var(--color-contrast-ink) 78%, transparent); }
.footer-legal__note {
  margin-left: auto;
  color: color-mix(in srgb, var(--color-contrast-ink) 60%, transparent);
}

.to-top {
  position: fixed;
  right: var(--space-3);
  bottom: var(--space-3);
  z-index: 80;
  padding: 10px 16px;
  background: var(--color-surface);
  border: var(--border-thin) dashed var(--color-primary);
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}
.to-top.is-shown { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { border-color: var(--color-accent); color: var(--color-accent); }

/* ---------- responsive ---------- */
@media (max-width: 1023px) {
  .col-3, .col-4 { grid-column: span 6; }
  .col-6, .col-8, .col-9 { grid-column: span 12; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-col + .footer-col { border-left: 0; padding-left: 0; }
  .footer-col--brand { grid-column: span 2; padding-bottom: var(--space-3); border-bottom: 2px dotted var(--color-line); }
}

@media (max-width: 899px) {
  .header-main { padding: var(--space-2) 0; }
  .nav-toggle { display: inline-flex; order: 2; }
  .brand { order: 1; }
  .site-nav {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: min(88vw, 380px);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-8) var(--space-4) var(--space-6);
    background: var(--color-surface-alt);
    border-left: var(--border-thick) double var(--color-line);
    box-shadow: -10px 0 28px color-mix(in srgb, var(--color-ink) 26%, transparent);
    transform: translateX(102%);
    visibility: hidden;
    overflow-y: auto;
    z-index: 70;
    transition: transform 0.26s ease, visibility 0.26s ease;
  }
  .site-nav[data-open] { transform: translateX(0); visibility: visible; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; counter-reset: nav; }
  .nav-list li {
    display: flex;
    align-items: baseline;
    gap: var(--space-2);
    border-bottom: 2px dotted var(--color-line);
  }
  .nav-list li:first-child { border-top: 2px dotted var(--color-line); }
  .nav-list li::before {
    counter-increment: nav;
    content: "0" counter(nav);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.1em;
    color: var(--color-primary);
  }
  .nav-link { flex: 1; padding: var(--space-3) 0; font-size: var(--text-lg); }
  .nav-link::after { display: none; }
  .nav-link[aria-current="page"] { color: color-mix(in srgb, var(--color-accent) 84%, var(--color-ink)); }
  .nav-link[aria-current="page"]::before {
    content: "●";
    margin-right: 6px;
    font-size: var(--text-xs);
    color: var(--color-accent);
  }
  body.nav-open { overflow: hidden; }
  .utility-count { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-4); }
  .footer-col--brand { grid-column: auto; }
  .footer-legal__note { margin-left: 0; }
}

@media (max-width: 599px) {
  .section { padding: calc(var(--section-y) * 0.72) 0; }
  .section--lg { padding: calc(var(--section-y-lg) * 0.68) 0; }
  .grid { gap: var(--space-2); }
  .col-3, .col-4, .col-6, .col-8, .col-9, .col-12 { grid-column: span 12; }
  .section-title { font-size: var(--text-xl); }
  .brand__sub { display: none; }
  .data-strip__inner { gap: var(--space-3); }
  .data-cell { min-width: 108px; padding-right: var(--space-3); }
}

@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;
  }
  html.js .reveal { opacity: 1; transform: none; }
  .pulse { animation: none; }
  .btn:hover { transform: none; }
}