:root {
  --color-surface: #efefed;
  --color-surface-alt: #e6e6e4;
  --color-surface-deep: #dadad7;
  --color-ink: #444237;
  --color-ink-soft: #6a6858;
  --color-ink-muted: #888572;
  --color-line: #d0d0cc;
  --color-primary: #7f7639;
  --color-primary-ink: #ffffff;
  --color-primary-soft: #dfded4;
  --color-accent: #6846b9;
  --color-accent-ink: #ffffff;
  --color-highlight: #d7d1e4;
  --color-focus: #6339c6;
  --color-contrast-surface: #181711;
  --color-contrast-ink: #e7e6e4;
  --color-contrast-line: #46453f;
  --color-contrast-accent: #8c72ca;
  --overlay-scrim: linear-gradient(180deg, rgba(24, 23, 17, 0.35) 0%, rgba(24, 23, 17, 0.72) 55%, rgba(24, 23, 17, 0.92) 100%);
  --font-heading: "Songti SC", "Source Han Serif SC", "Noto Serif SC", SimSun, serif;
  --font-body: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --font-mono: ui-monospace, 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, 5.9vw, 75px);
  --text-figure: clamp(28px, 4.2vw, 54px);
  --weight-heading: 729;
  --weight-body: 400;
  --leading-body: 1.72;
  --leading-heading: 1.18;
  --tracking-heading: 0.0em;
  --radius-sm: 2px;
  --radius-md: 3px;
  --radius-lg: 4px;
  --radius-pill: 4px;
  --border-thin: 2px;
  --border-thick: 3px;
  --shadow-1: 0 1px 0 rgba(68, 66, 55, 0.12);
  --shadow-2: 0 2px 0 rgba(68, 66, 55, 0.18);
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-6: 48px;
  --space-8: 64px;
  --container: 1120px;
  --measure: 74ch;
  --gutter: 24px;
  --section-y: 103px;
  --section-y-lg: 144px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: 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);
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: color-mix(in srgb, var(--color-accent) 76%, var(--color-ink));
}

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

button {
  cursor: pointer;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 var(--space-3);
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
}

h1 {
  font-size: var(--text-4xl);
}

h2 {
  font-size: var(--text-3xl);
}

h3 {
  font-size: var(--text-xl);
}

h4 {
  font-size: var(--text-lg);
}

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

ul,
ol {
  margin: 0 0 var(--space-3);
  padding-inline-start: 1.25em;
}

code,
kbd,
samp,
.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
}

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

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

#main-content {
  display: block;
  min-height: 1px;
}

@media (max-width: 1023px) {
  #main-content {
    scroll-margin-top: 84px;
  }
}

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

.content-wrap {
  width: min(100% - calc(var(--gutter) * 2), var(--measure));
  margin-inline: auto;
}

.prose {
  max-width: var(--measure);
}

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

.section {
  padding-block: var(--section-y);
}

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

.band {
  position: relative;
  background: var(--color-surface);
  border-block-start: var(--border-thick) solid var(--color-line);
}

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

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

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

.band-contrast h1,
.band-contrast h2,
.band-contrast h3,
.band-contrast h4 {
  color: var(--color-contrast-ink);
}

.band-contrast p,
.band-contrast li {
  color: color-mix(in srgb, var(--color-contrast-ink) 88%, var(--color-contrast-surface));
}

.display-title {
  font-size: var(--text-display);
  line-height: 0.98;
  max-width: 12ch;
}

.figure-number {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
  line-height: 1;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  min-height: 44px;
  padding: var(--space-2) var(--space-3);
  border: var(--border-thin) solid transparent;
  border-radius: var(--radius-sm);
  font-weight: 500;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition: background-color 180ms ease-out, border-color 180ms ease-out, color 180ms ease-out, transform 180ms ease-out;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-primary-ink);
  border-color: color-mix(in srgb, var(--color-primary) 72%, var(--color-contrast-surface));
  box-shadow: var(--shadow-1);
}

.btn-primary:hover {
  background: color-mix(in srgb, var(--color-primary) 84%, var(--color-contrast-surface));
  color: var(--color-primary-ink);
  transform: translateY(-2px);
}

.btn-accent {
  background: var(--color-accent);
  color: var(--color-accent-ink);
  border-color: color-mix(in srgb, var(--color-accent) 72%, var(--color-contrast-surface));
  box-shadow: var(--shadow-1);
}

.btn-accent:hover {
  background: color-mix(in srgb, var(--color-accent) 84%, var(--color-contrast-surface));
  color: var(--color-accent-ink);
  transform: translateY(-2px);
}

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

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

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

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.breadcrumb a {
  color: var(--color-ink-soft);
  text-decoration: none;
}

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

.exhibit-label,
.status-badge,
.tag {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-primary-soft);
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: 0.04em;
  box-shadow: var(--shadow-1);
}

.exhibit-label[data-state="current"],
.status-badge[data-state="current"],
.tag[data-state="current"] {
  background: var(--color-highlight);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.status-badge {
  background: var(--color-surface);
}

.tag {
  background: var(--color-surface-alt);
}

.emphasis {
  padding-inline-start: var(--space-3);
  border-inline-start: var(--border-thick) solid var(--color-primary);
}

.emphasis-accent {
  border-inline-start-color: var(--color-accent);
}

.media-frame {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--color-surface-deep);
  border: var(--border-thick) solid var(--color-line);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-1);
}

.media-frame img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.88) contrast(0.96);
}

.media-frame .media-caption {
  margin: 0;
  padding: var(--space-2) var(--space-3);
  border-block-start: var(--border-thin) solid var(--color-line);
  background: var(--color-surface);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
}

.media-frame.has-overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
  pointer-events: none;
}

.media-frame.has-overlay .media-caption {
  position: absolute;
  inset-inline: var(--space-3);
  inset-block-end: var(--space-3);
  z-index: 1;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--color-contrast-ink);
}

.timeline {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline::before {
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline-start: 11px;
  width: var(--border-thick);
  background: var(--color-line);
}

.timeline-item {
  position: relative;
  padding-inline-start: var(--space-6);
  padding-block-end: var(--space-6);
}

.timeline-node {
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: 0.45em;
  width: 24px;
  height: 24px;
  border: var(--border-thick) solid var(--color-primary);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}

.timeline-item[data-state="current"] .timeline-node {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.timeline-date {
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
}

.timeline-card {
  padding: var(--space-3);
  background: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-1);
}

.tabs {
  display: grid;
  gap: var(--space-3);
}

.tablist {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  padding: var(--space-1);
  background: var(--color-surface-deep);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
}

.tab {
  appearance: none;
  border: var(--border-thin) solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-ink-soft);
  padding: var(--space-2) var(--space-3);
  font-weight: 500;
}

.tab:hover {
  background: var(--color-primary-soft);
  color: var(--color-ink);
}

.tab[aria-selected="true"] {
  background: var(--color-primary);
  border-color: color-mix(in srgb, var(--color-primary) 72%, var(--color-contrast-surface));
  color: var(--color-primary-ink);
}

.tab-panel {
  padding: var(--space-3);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
}

.tab-panel[hidden] {
  display: none;
}

.fold {
  margin-block-end: var(--space-2);
  background: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
}

.fold summary {
  padding: var(--space-3);
  font-weight: 500;
  cursor: pointer;
}

.fold[open] {
  background: var(--color-surface);
}

.fold-content {
  padding: 0 var(--space-3) var(--space-3);
}

.copy-number {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.copy-button {
  appearance: none;
  padding: 2px 8px;
  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-xs);
}

.copy-button:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.copy-button[data-copied="true"] {
  background: var(--color-highlight);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.scroll-progress {
  position: fixed;
  inset-block-start: 0;
  inset-inline-start: 0;
  z-index: 200;
  width: 100%;
  height: var(--border-thick);
  pointer-events: none;
}

.scroll-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left center;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 220ms ease-out, transform 220ms ease-out;
}

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

.site-header {
  position: fixed;
  inset-block: 0;
  inset-inline-start: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  width: 272px;
  padding: var(--space-4) var(--space-3) var(--space-3);
  background: var(--color-surface-alt);
  border-inline-end: var(--border-thick) solid var(--color-line);
}

.skip-link {
  position: fixed;
  inset-block-start: var(--space-2);
  inset-inline-start: var(--space-2);
  z-index: 999;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 160ms ease-out;
}

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

.header-brand {
  margin-block-end: var(--space-3);
  padding: var(--space-3);
  background: var(--color-primary);
  color: var(--color-primary-ink);
  border: var(--border-thick) solid color-mix(in srgb, var(--color-primary) 70%, var(--color-contrast-surface));
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-2);
}

.brand-mark {
  display: block;
  color: inherit;
  text-decoration: none;
}

.brand-name {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: 1.1;
}

.brand-code {
  display: block;
  margin-block-start: var(--space-1);
  color: color-mix(in srgb, var(--color-primary-ink) 78%, var(--color-primary));
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
}

.brand-meta {
  margin: var(--space-2) 0 0;
  color: var(--color-primary-ink);
  font-size: var(--text-sm);
  line-height: 1.55;
  opacity: 0.92;
}

.header-pulse {
  display: grid;
  gap: var(--space-1);
  margin-block-end: var(--space-3);
  padding: var(--space-2);
  background: var(--color-primary-soft);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
}

.pulse-label {
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pulse-value {
  color: var(--color-ink);
  font-size: var(--text-sm);
  font-weight: 500;
}

.nav-toggle {
  display: none;
}

.site-nav {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: var(--space-3);
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-link {
  position: relative;
  display: block;
  padding: var(--space-2) var(--space-2) var(--space-2) var(--space-3);
  border-inline-start: var(--border-thick) solid transparent;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--color-ink);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
}

.nav-link:hover {
  background: var(--color-primary-soft);
  border-inline-start-color: color-mix(in srgb, var(--color-primary) 76%, var(--color-contrast-surface));
}

.nav-link[aria-current="page"] {
  background: var(--color-primary);
  border-inline-start-color: var(--color-accent);
  color: var(--color-primary-ink);
}

.header-contact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  margin-block-start: auto;
  padding: var(--space-2) var(--space-3);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  border: var(--border-thin) solid color-mix(in srgb, var(--color-accent) 64%, var(--color-contrast-surface));
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-1);
  font-weight: 500;
  text-decoration: none;
}

.header-contact:hover {
  background: color-mix(in srgb, var(--color-accent) 86%, var(--color-contrast-surface));
  color: var(--color-accent-ink);
}

.site-footer {
  margin-block-start: var(--section-y);
  padding-block: var(--section-y) var(--space-4);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-block-start: var(--border-thick) solid var(--color-contrast-line);
}

.footer-inner {
  display: grid;
  gap: var(--space-6);
}

.footer-brand-row {
  display: grid;
  gap: var(--space-2);
  padding-block-end: var(--space-4);
  border-block-end: var(--border-thin) solid var(--color-contrast-line);
}

.footer-brand {
  width: fit-content;
  color: var(--color-contrast-ink);
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1.1;
  text-decoration: none;
}

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

.footer-description {
  max-width: var(--measure);
  margin: 0;
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, var(--color-contrast-surface));
}

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

.footer-col {
  min-width: 0;
}

.footer-title {
  margin: 0 0 var(--space-3);
  color: var(--color-contrast-accent);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-list {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-list-plain {
  color: color-mix(in srgb, var(--color-contrast-ink) 80%, var(--color-contrast-surface));
}

.footer-link {
  color: var(--color-contrast-ink);
  text-decoration: none;
  border-block-end: var(--border-thin) solid transparent;
}

.footer-link:hover {
  color: var(--color-contrast-accent);
  border-block-end-color: currentColor;
}

.footer-text {
  color: color-mix(in srgb, var(--color-contrast-ink) 86%, var(--color-contrast-surface));
  overflow-wrap: anywhere;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2);
  padding-block-start: var(--space-4);
  border-block-start: var(--border-thin) solid var(--color-contrast-line);
}

.footer-meta {
  margin: 0;
  color: color-mix(in srgb, var(--color-contrast-ink) 68%, var(--color-contrast-surface));
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
}

@media (min-width: 1024px) {
  body {
    padding-inline-start: 272px;
  }
}

@media (max-width: 1023px) {
  body {
    padding-inline-start: 0;
  }

  .site-header {
    position: sticky;
    inset: auto;
    top: 0;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: start;
    gap: var(--space-2);
    width: auto;
    height: auto;
    padding: var(--space-2) var(--gutter);
    background: var(--color-surface-alt);
    border-inline-end: 0;
    border-block-end: var(--border-thick) solid var(--color-line);
  }

  .header-brand {
    grid-column: 1;
    margin: 0;
    padding: var(--space-2);
    box-shadow: none;
  }

  .brand-name {
    font-size: var(--text-lg);
  }

  .brand-code {
    font-size: var(--text-xs);
  }

  .brand-meta {
    display: none;
  }

  .header-pulse {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
    grid-column: 2;
    grid-row: 1;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
    min-height: 44px;
    padding: var(--space-2);
    border: var(--border-thin) solid var(--color-line);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-ink);
  }

  .nav-toggle-label {
    font-size: var(--text-sm);
    font-weight: 500;
  }

  .nav-toggle-bars {
    display: grid;
    gap: 3px;
    width: 18px;
  }

  .nav-toggle-bars span {
    display: block;
    width: 18px;
    height: 2px;
    background: currentColor;
    transition: transform 180ms ease-out, opacity 180ms ease-out;
  }

  [data-site-header][data-open="true"] .nav-toggle {
    background: var(--color-contrast-surface);
    border-color: var(--color-contrast-line);
    color: var(--color-contrast-ink);
  }

  [data-site-header][data-open="true"] .nav-toggle-bars span:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
  }

  [data-site-header][data-open="true"] .nav-toggle-bars span:nth-child(2) {
    opacity: 0;
  }

  [data-site-header][data-open="true"] .nav-toggle-bars span:nth-child(3) {
    transform: translateY(-5px) rotate(-45deg);
  }

  .site-nav {
    position: fixed;
    inset-block: 0;
    inset-inline-end: 0;
    z-index: 90;
    width: min(82vw, 340px);
    padding: calc(var(--space-8) + var(--space-4)) var(--space-4) var(--space-4);
    overflow-y: auto;
    background: var(--color-contrast-surface);
    color: var(--color-contrast-ink);
    border-inline-start: var(--border-thick) solid var(--color-contrast-line);
    box-shadow: var(--shadow-2);
    transform: translateX(105%);
    visibility: hidden;
    transition: transform 220ms ease-out, visibility 220ms ease-out;
  }

  [data-site-header][data-open="true"] .site-nav {
    transform: translateX(0);
    visibility: visible;
  }

  .site-nav .nav-list {
    margin-block-end: var(--space-4);
  }

  .site-nav .nav-link {
    padding: var(--space-3);
    border-inline-start-color: var(--color-contrast-line);
    color: var(--color-contrast-ink);
    font-size: var(--text-base);
  }

  .site-nav .nav-link:hover {
    background: color-mix(in srgb, var(--color-contrast-accent) 18%, transparent);
    border-inline-start-color: var(--color-contrast-accent);
  }

  .site-nav .nav-link[aria-current="page"] {
    background: var(--color-contrast-accent);
    border-inline-start-color: var(--color-primary-ink);
    color: var(--color-contrast-surface);
  }

  .header-contact {
    width: 100%;
    margin-block-start: var(--space-3);
    background: var(--color-contrast-accent);
    border-color: var(--color-contrast-accent);
    color: var(--color-contrast-surface);
  }

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

@media (max-width: 900px) {
  .grid-12 {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .grid-12 {
    grid-template-columns: 1fr;
  }

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

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

  h1 {
    font-size: var(--text-3xl);
  }

  h2 {
    font-size: var(--text-2xl);
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    display: grid;
  }

  .media-frame img {
    aspect-ratio: 3 / 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

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

  .scroll-progress span {
    transition: none;
  }
}