:root {
  --color-surface: #211f21;
  --color-surface-alt: #302d30;
  --color-surface-deep: #423e42;
  --color-ink: #c5b9c5;
  --color-ink-soft: #9a889b;
  --color-ink-muted: #887689;
  --color-line: #3f3b3f;
  --color-primary: #c843cc;
  --color-primary-ink: #181118;
  --color-primary-soft: #382439;
  --color-accent: #95ce31;
  --color-accent-ink: #181118;
  --color-highlight: #363e24;
  --color-focus: #98db24;
  --color-contrast-surface: #f1f0f1;
  --color-contrast-ink: #353036;
  --color-contrast-line: #c8c6c8;
  --color-contrast-accent: #56771c;
  --overlay-scrim: linear-gradient(180deg, rgba(241, 240, 241, 0.35) 0%, rgba(241, 240, 241, 0.72) 55%, rgba(241, 240, 241, 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: 10.4px;
  --text-sm: 13.9px;
  --text-base: 16px;
  --text-lg: 21.3px;
  --text-xl: 28.4px;
  --text-2xl: 37.9px;
  --text-3xl: 50.5px;
  --text-4xl: 67.3px;
  --text-display: clamp(38px, 7.7vw, 99px);
  --text-figure: clamp(31px, 5.5vw, 71px);
  --weight-heading: 616;
  --weight-body: 400;
  --leading-body: 1.74;
  --leading-heading: 1.26;
  --tracking-heading: 0.005em;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-pill: 999px;
  --border-thin: 1px;
  --border-thick: 1px;
  --shadow-1: 0 6px 18px rgba(197, 185, 197, 0.08);
  --shadow-2: 0 18px 44px rgba(197, 185, 197, 0.14);
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-6: 48px;
  --space-8: 64px;
  --container: 1160px;
  --measure: 69ch;
  --gutter: 16px;
  --section-y: 112px;
  --section-y-lg: 157px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 112px;
}

body {
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  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);
  letter-spacing: 0.012em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a { color: inherit; text-decoration: none; }

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

button {
  padding: 0;
  background: none;
  border: 0;
  cursor: pointer;
}

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

figure,
blockquote,
dl,
dd { margin: 0; }

hr { border: 0; }

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

/* ============ 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 { font-size: clamp(var(--text-2xl), 6.4vw, var(--text-4xl)); }
h2 { font-size: clamp(var(--text-xl), 4.6vw, var(--text-3xl)); }
h3 { font-size: clamp(var(--text-lg), 3.2vw, var(--text-2xl)); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: var(--text-sm);
  letter-spacing: 0.14em;
}

p { margin: 0; }

strong {
  font-weight: var(--weight-heading);
  color: color-mix(in srgb, var(--color-ink) 82%, #ffffff 18%);
}

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

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

.prose p + p { margin-top: var(--space-2); }

.prose ul {
  margin-top: var(--space-2);
  padding-left: 1.15em;
  list-style: disc;
}

.prose li + li { margin-top: 4px; }

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

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.18em;
  color: var(--color-ink-muted);
}

.index-num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.2em;
  color: var(--color-primary);
}

/* ============ layout ============ */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-3);
}

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

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

.section--contrast {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  --color-ink: var(--color-contrast-ink);
  --color-ink-soft: color-mix(in srgb, var(--color-contrast-ink) 68%, var(--color-contrast-surface));
  --color-ink-muted: color-mix(in srgb, var(--color-contrast-ink) 52%, var(--color-contrast-surface));
  --color-line: var(--color-contrast-line);
  --color-primary: var(--color-contrast-accent);
  --color-primary-ink: var(--color-contrast-surface);
  --color-primary-soft: color-mix(in srgb, var(--color-contrast-accent) 16%, var(--color-contrast-surface));
  --color-accent: var(--color-contrast-accent);
}

.section-head {
  display: grid;
  gap: var(--space-2);
  max-width: var(--measure);
  margin-bottom: var(--space-6);
}

.section-head--wide { max-width: none; }

.section-title {
  display: flex;
  align-items: baseline;
  gap: 0.4em;
}

.section-title::before {
  content: "";
  flex: 0 0 auto;
  width: 0.55em;
  height: 2px;
  background: var(--color-primary);
  transform: translateY(-0.28em);
}

.rule {
  height: 1px;
  margin-block: var(--space-4);
  background: var(--color-line);
}

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

.grid-12 {
  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-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; }
.col-8 { grid-column: span 8; }
.col-9 { grid-column: span 9; }
.col-12 { grid-column: span 12; }

/* ============ buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-ink);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  line-height: 1.2;
  transition:
    transform 180ms var(--ease),
    background-color 180ms var(--ease),
    border-color 180ms var(--ease),
    color 180ms var(--ease),
    box-shadow 180ms var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
  border-color: var(--color-primary);
  color: var(--color-ink);
}

.btn--primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
  font-weight: var(--weight-heading);
}

.btn--primary:hover {
  background: color-mix(in srgb, var(--color-primary) 86%, var(--color-contrast-surface));
  border-color: color-mix(in srgb, var(--color-primary) 62%, var(--color-focus));
  box-shadow: var(--shadow-1);
  color: var(--color-primary-ink);
}

.btn--ghost { color: var(--color-ink-soft); }
.btn--ghost:hover { color: var(--color-ink); }
.btn--block { width: 100%; }

/* ============ cards ============ */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  transition:
    transform 200ms var(--ease),
    border-color 200ms var(--ease),
    box-shadow 200ms var(--ease);
}

.card:hover {
  transform: translateY(-2px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-1);
}

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

.card--contrast {
  background: var(--color-contrast-surface);
  border-color: var(--color-contrast-line);
  color: var(--color-contrast-ink);
  --color-ink: var(--color-contrast-ink);
  --color-ink-soft: color-mix(in srgb, var(--color-contrast-ink) 66%, var(--color-contrast-surface));
  --color-ink-muted: color-mix(in srgb, var(--color-contrast-ink) 48%, var(--color-contrast-surface));
  --color-line: var(--color-contrast-line);
  --color-primary: var(--color-contrast-accent);
}

.card__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  line-height: 1.32;
}

.card__meta {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.card__body {
  font-size: var(--text-base);
  color: var(--color-ink-soft);
}

/* ============ tags ============ */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px var(--space-1);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-primary-soft);
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  line-height: 1.5;
}

.tag--active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}

.tag--done {
  background: var(--color-highlight);
  border-color: color-mix(in srgb, var(--color-accent) 52%, transparent);
  color: var(--color-accent);
}

/* ============ figures ============ */
.figure-card {
  display: grid;
  gap: 6px;
  padding: var(--space-3);
  background: var(--color-highlight);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
}

.figure {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-variant-numeric: tabular-nums;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--color-accent);
}

.figure-card__label {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  color: color-mix(in srgb, var(--color-accent) 72%, var(--color-ink));
}

/* ============ panels ============ */
.panel {
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface-alt);
  transition:
    border-color 240ms var(--ease),
    background-color 240ms var(--ease);
}

.panel + .panel { margin-top: var(--space-1); }

.panel[data-expanded="true"] {
  border-color: var(--color-primary);
  background: var(--color-surface-deep);
}

.panel__trigger {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  text-align: left;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: 1.4;
  color: var(--color-ink);
  transition: color 180ms var(--ease);
}

.panel__trigger:hover { color: var(--color-primary); }

.panel__sign {
  position: relative;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
}

.panel__sign::before,
.panel__sign::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: var(--color-primary);
  transition: transform 240ms var(--ease);
}

.panel__sign::before { transform: translateY(-50%); }
.panel__sign::after { transform: translateY(-50%) rotate(90deg); }

.panel[data-expanded="true"] .panel__sign::after {
  transform: translateY(-50%) rotate(0deg);
}

.panel__body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 260ms var(--ease);
}

.panel[data-expanded="true"] .panel__body { grid-template-rows: 1fr; }

.panel__inner {
  min-height: 0;
  overflow: hidden;
}

.panel__content {
  padding: 0 var(--space-3) var(--space-3);
  font-size: var(--text-base);
  color: var(--color-ink-soft);
}

/* ============ misc blocks ============ */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.breadcrumb a { transition: color 180ms var(--ease); }
.breadcrumb a:hover { color: var(--color-primary); }

.breadcrumb__sep { color: var(--color-ink-muted); }

.note-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-3);
  padding: var(--space-3);
  background: var(--color-surface-deep);
  border: var(--border-thin) solid var(--color-line);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
}

/* ============ media frames ============ */
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface-deep);
  box-shadow: var(--shadow-1);
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.94) contrast(1.03) brightness(0.96);
}

.media-frame--paper {
  padding: var(--space-2);
  background: var(--color-contrast-surface);
  border-color: var(--color-contrast-line);
}

.media-frame--paper img { border-radius: var(--radius-sm); }

.media-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: var(--space-3) var(--space-3) var(--space-2);
  background: var(--overlay-scrim);
  color: var(--color-contrast-ink);
  font-size: var(--text-sm);
  line-height: 1.55;
}

.ratio-wide { aspect-ratio: 16 / 9; }
.ratio-land { aspect-ratio: 4 / 3; }
.ratio-square { aspect-ratio: 1 / 1; }
.ratio-tall { aspect-ratio: 3 / 4; }

/* ============ skip link ============ */
.skip-link {
  position: absolute;
  left: var(--space-2);
  top: -120px;
  z-index: 200;
  padding: var(--space-1) var(--space-2);
  background: var(--color-primary);
  color: var(--color-primary-ink);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  transition: top 180ms var(--ease);
}

.skip-link:focus { top: var(--space-1); }

/* ============ header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: var(--color-surface);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.header-upper {
  overflow: hidden;
  max-height: 44px;
  background: var(--color-surface-alt);
  border-bottom: var(--border-thin) solid var(--color-line);
  transition:
    max-height 240ms var(--ease),
    opacity 200ms var(--ease),
    border-color 200ms var(--ease);
}

.site-header[data-scrolled] .header-upper {
  max-height: 0;
  opacity: 0;
  border-bottom-color: transparent;
}

.header-upper__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-1) var(--space-3);
  padding-block: 10px;
}

.header-upper__note,
.header-upper__meta {
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-ink-muted);
}

.header-upper__meta { font-family: var(--font-mono); letter-spacing: 0.06em; }

.header-bar {
  position: relative;
  background: var(--color-surface);
}

.header-bar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2) var(--space-4);
  padding-block: 12px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  flex: 0 0 auto;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  border: var(--border-thin) solid color-mix(in srgb, var(--color-accent) 58%, transparent);
  color: var(--color-primary-ink);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: 1;
}

.brand__text { display: block; }

.brand__name {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  line-height: 1.1;
  letter-spacing: 0.06em;
  color: var(--color-ink);
}

.brand__sub {
  display: block;
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.16em;
  color: var(--color-ink-muted);
}

.site-nav {
  display: flex;
  align-items: flex-end;
  gap: var(--space-4);
  flex: 1 1 auto;
  justify-content: flex-end;
}

.nav-group { display: block; }

.nav-group__label {
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.18em;
  color: var(--color-ink-muted);
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding-block: 3px;
  border-bottom: 2px solid transparent;
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  color: var(--color-ink-soft);
  transition:
    color 180ms var(--ease),
    border-color 180ms var(--ease);
}

.nav-link:hover { color: var(--color-ink); }

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

.nav-cta { display: flex; align-items: center; }

.nav-toggle {
  display: none;
  align-items: center;
  gap: var(--space-1);
  padding: 9px 14px;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.nav-toggle:hover,
.nav-toggle[aria-expanded="true"] {
  border-color: var(--color-primary);
  color: var(--color-ink);
}

.nav-toggle__bars {
  display: grid;
  gap: 3px;
  width: 16px;
}

.nav-toggle__bars i {
  display: block;
  height: 1px;
  background: currentColor;
}

.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  transform: scaleX(var(--progress, 0));
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  pointer-events: none;
}

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

.footer-brand {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2) var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.brand--footer .brand__name { font-size: var(--text-lg); }
.brand--footer .brand__mark { width: 32px; height: 32px; font-size: var(--text-base); }

.footer-brand__line {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

.footer-panels {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: var(--space-4);
}

.footer-panel {
  padding-inline: var(--space-3);
  border-left: var(--border-thin) solid var(--color-line);
}

.footer-panel:first-child {
  padding-left: 0;
  border-left: 0;
}

.footer-panel__title {
  margin-bottom: var(--space-2);
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: var(--text-sm);
  letter-spacing: 0.16em;
  color: var(--color-primary);
}

.footer-panel__list li {
  padding-block: 3px;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

.footer-panel__list a {
  border-bottom: var(--border-thin) solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.footer-panel__list a:hover {
  color: var(--color-ink);
  border-bottom-color: var(--color-primary);
}

.footer-panel__list--check li::before {
  content: "✓";
  margin-right: 6px;
  color: var(--color-accent);
  font-family: var(--font-mono);
}

.footer-panel__list--contact li {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.footer-panel__note {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--color-ink-muted);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-1) var(--space-3);
  margin-top: var(--space-6);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

.footer-bottom__links {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-bottom a:hover { color: var(--color-primary); }

/* ============ motion ============ */
[data-js] [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 260ms var(--ease),
    transform 260ms var(--ease);
}

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

/* ============ responsive ============ */
@media (max-width: 940px) {
  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    display: none;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-3) var(--space-4);
    background: var(--color-surface-alt);
    border-top: var(--border-thin) solid var(--color-line);
    border-bottom: var(--border-thin) solid var(--color-line);
    box-shadow: var(--shadow-2);
    max-height: 84vh;
    overflow-y: auto;
  }

  .site-nav[data-open] {
    display: flex;
    animation: navIn 240ms var(--ease);
  }

  .nav-group__label { margin-bottom: var(--space-1); }

  .nav-list {
    flex-direction: column;
    gap: 0;
  }

  .nav-link {
    display: block;
    padding: 10px 0;
    border-bottom: var(--border-thin) solid var(--color-line);
    border-left: 2px solid transparent;
    padding-left: 12px;
    font-size: var(--text-base);
  }

  .nav-link[aria-current="page"] {
    border-bottom-color: var(--color-line);
    border-left-color: var(--color-primary);
    color: var(--color-ink);
  }

  .nav-cta { margin-top: var(--space-1); }
  .nav-cta .btn { width: 100%; }

  .footer-panels { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-panel { padding-block: var(--space-3); }
  .footer-panel:nth-child(odd) {
    padding-left: 0;
    border-left: 0;
  }
  .footer-panel:nth-child(n + 3) { border-top: var(--border-thin) solid var(--color-line); }

  .grid-12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .col-3, .col-4, .col-5 { grid-column: span 6; }
  .col-7, .col-8, .col-9 { grid-column: span 12; }

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

@media (max-width: 600px) {
  .container { padding-inline: var(--space-2); }

  .header-upper__inner { justify-content: flex-start; }
  .header-upper__meta { display: none; }

  .brand__name { font-size: var(--text-lg); }
  .brand__sub { letter-spacing: 0.1em; }

  .footer-panels { grid-template-columns: minmax(0, 1fr); }
  .footer-panel,
  .footer-panel:nth-child(odd) {
    padding-left: 0;
    padding-right: 0;
    border-left: 0;
  }
  .footer-panel + .footer-panel { border-top: var(--border-thin) solid var(--color-line); }

  .grid-12 { grid-template-columns: minmax(0, 1fr); }
  .col-3, .col-4, .col-5, .col-6,
  .col-7, .col-8, .col-9, .col-12 { grid-column: 1 / -1; }

  .media-frame__caption { position: static; }
}

@keyframes navIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: none; }
}

@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;
  }

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

  .card:hover,
  .btn:hover { transform: none; }
}