:root {
  --color-surface: #fbfbfb;
  --color-surface-alt: #f2f2f2;
  --color-surface-deep: #e5e6e6;
  --color-ink: #424a4d;
  --color-ink-soft: #677175;
  --color-ink-muted: #798386;
  --color-line: #dadbdc;
  --color-primary: #1c80a1;
  --color-primary-ink: #ffffff;
  --color-primary-soft: #dceaee;
  --color-accent: #e8220c;
  --color-accent-ink: #ffffff;
  --color-highlight: #f8d4d0;
  --color-focus: #e01600;
  --color-contrast-surface: #101b1f;
  --color-contrast-ink: #e4e6e7;
  --color-contrast-line: #3f484b;
  --color-contrast-accent: #f33a25;
  --overlay-scrim: linear-gradient(180deg, rgba(16, 27, 31, 0.35) 0%, rgba(16, 27, 31, 0.72) 55%, rgba(16, 27, 31, 0.92) 100%);
  --font-heading: ui-monospace, SFMono-Regular, Menlo, Consolas, "PingFang SC", monospace;
  --font-body: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --text-xs: 12.2px;
  --text-sm: 14.6px;
  --text-base: 16px;
  --text-lg: 19.2px;
  --text-xl: 23.0px;
  --text-2xl: 27.6px;
  --text-3xl: 33.2px;
  --text-4xl: 39.8px;
  --text-display: clamp(43px, 8.8vw, 113px);
  --text-figure: clamp(36px, 6.3vw, 81px);
  --weight-heading: 781;
  --weight-body: 400;
  --leading-body: 1.74;
  --leading-heading: 1.17;
  --tracking-heading: 0.011em;
  --radius-sm: 347px;
  --radius-md: 528px;
  --radius-lg: 709px;
  --radius-pill: 999px;
  --border-thin: 1px;
  --border-thick: 2px;
  --shadow-1: 0 0 0 1px rgba(232, 34, 12, 0.35);
  --shadow-2: 0 0 28px rgba(232, 34, 12, 0.35);
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-6: 48px;
  --space-8: 64px;
  --container: 1080px;
  --measure: 69ch;
  --gutter: 32px;
  --section-y: 77px;
  --section-y-lg: 108px;
}

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

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

body,
h1, h2, h3, h4, p, figure, blockquote, dl, dd, ul, ol {
  margin: 0;
  padding: 0;
}

ul, ol { list-style: none; }

body {
  background-color: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-body);
  line-height: var(--leading-body);
  letter-spacing: 0.004em;
  min-height: 100vh;
  overflow-x: hidden;
}

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

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: color-mix(in srgb, var(--color-primary) 78%, var(--color-ink)); }

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

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

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

::selection {
  background: var(--color-primary-soft);
  color: color-mix(in srgb, var(--color-primary) 70%, var(--color-contrast-surface));
}

/* ---------- 中文排版 ---------- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: color-mix(in srgb, var(--color-ink) 82%, var(--color-contrast-surface));
  text-wrap: balance;
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-lg); }

p { text-wrap: pretty; }

strong { font-weight: 700; }

code, kbd, samp, .mono, .index-tag, .meta-text, .figure {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

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

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

.meta-text {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  font-weight: 700;
  text-transform: uppercase;
}

.figure {
  font-size: var(--text-figure);
  font-weight: 700;
  line-height: 0.94;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}

.display-line {
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 0.92;
  letter-spacing: -0.01em;
}

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

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

.col-main { grid-column: 4 / -1; }
.col-rail { grid-column: 1 / 4; }

.rail-rule {
  position: relative;
  padding-left: var(--space-3);
  border-left: var(--border-thin) dotted var(--color-line);
}

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

.band-dark {
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding-block: var(--space-6);
}

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

.band-dark a { color: var(--color-contrast-accent); }
.band-dark .lede,
.band-dark .meta-text { color: color-mix(in srgb, var(--color-contrast-ink) 72%, transparent); }

.rule-dotted {
  display: block;
  width: 100%;
  height: 0;
  border-top: var(--border-thin) dotted var(--color-line);
}

.band-dark .rule-dotted,
.site-footer .rule-dotted { border-top-color: var(--color-contrast-line); }

/* ---------- skip link ---------- */
.skip-link {
  position: absolute;
  left: var(--space-2);
  top: -80px;
  z-index: 200;
  padding: var(--space-1) var(--space-2);
  background-color: var(--color-accent);
  color: var(--color-accent-ink);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  transition: top 160ms ease-out;
}

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

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  min-height: 44px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.02em;
  border: var(--border-thin) solid transparent;
  transition: background-color 180ms ease-out, color 180ms ease-out, box-shadow 180ms ease-out, transform 180ms ease-out;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
  box-shadow: var(--shadow-1);
}

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

.btn-ghost {
  background-color: transparent;
  color: color-mix(in srgb, var(--color-ink) 88%, var(--color-primary));
  border-color: color-mix(in srgb, var(--color-line) 60%, var(--color-primary));
}

.btn-ghost:hover {
  background-color: var(--color-primary-soft);
  color: color-mix(in srgb, var(--color-primary) 78%, var(--color-contrast-surface));
}

.band-dark .btn-ghost {
  color: var(--color-contrast-ink);
  border-color: var(--color-contrast-line);
}

.band-dark .btn-ghost:hover {
  background-color: color-mix(in srgb, var(--color-contrast-ink) 12%, transparent);
}

.btn:active { transform: translateY(1px); }

/* ---------- index tag / chip / meter ---------- */
.index-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 24px;
  padding: 0 var(--space-1);
  border-radius: var(--radius-pill);
  background-color: var(--color-primary-soft);
  color: color-mix(in srgb, var(--color-primary) 76%, var(--color-contrast-surface));
  font-size: var(--text-xs);
  font-weight: 700;
  font-style: normal;
  font-variant-numeric: tabular-nums;
}

.index-tag-accent {
  background-color: var(--color-accent);
  color: var(--color-accent-ink);
}

.band-dark .index-tag {
  background-color: color-mix(in srgb, var(--color-contrast-ink) 14%, transparent);
  color: var(--color-contrast-ink);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  align-items: center;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 var(--space-2);
  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-sm);
  font-weight: 700;
  transition: background-color 160ms ease-out, color 160ms ease-out, border-color 160ms ease-out;
}

.chip:hover { border-color: color-mix(in srgb, var(--color-primary) 50%, var(--color-line)); }

.chip[aria-pressed="true"],
.chip.is-active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}

.meter {
  display: grid;
  gap: 6px;
}

.meter-label {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-ink-muted);
}

.meter-track {
  position: relative;
  height: 6px;
  border-radius: var(--radius-pill);
  background-color: var(--color-primary-soft);
  overflow: hidden;
}

.meter-fill {
  display: block;
  height: 100%;
  border-radius: var(--radius-pill);
  background-color: var(--color-accent);
}

.band-dark .meter-track { background-color: color-mix(in srgb, var(--color-contrast-ink) 16%, transparent); }
.band-dark .meter-label { color: color-mix(in srgb, var(--color-contrast-ink) 68%, transparent); }

/* ---------- breadcrumb ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-ink-muted);
  padding-block: var(--space-2);
}

.breadcrumb-item { display: inline-flex; align-items: center; gap: 6px; }
.breadcrumb-item + .breadcrumb-item::before { content: "／"; color: var(--color-line); }
.breadcrumb-item a { color: var(--color-ink-soft); }
.breadcrumb-item a:hover { color: var(--color-primary); }

/* ---------- panel / fold ---------- */
.panel {
  background-color: var(--color-surface-alt);
  border-radius: var(--space-2);
  overflow: hidden;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-bottom: var(--border-thin) dotted var(--color-line);
}

.panel-body { padding: var(--space-3); }

.fold-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  width: 100%;
  min-height: 44px;
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  text-align: left;
  border-bottom: var(--border-thin) dotted var(--color-line);
}

.fold-trigger::after {
  content: "+";
  color: var(--color-accent);
  font-size: var(--text-lg);
  line-height: 1;
}

.fold-trigger[aria-expanded="true"]::after { content: "–"; }

.fold-body {
  padding: var(--space-3);
  background-color: var(--color-surface-deep);
}

.fold-body[hidden] { display: none; }

/* ---------- media frame ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--space-2);
  background-color: var(--color-contrast-surface);
  isolation: isolate;
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.55) contrast(1.08) brightness(0.86);
}

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

.media-frame-tint::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(140deg,
    color-mix(in srgb, var(--color-primary) 52%, transparent) 0%,
    transparent 48%,
    color-mix(in srgb, var(--color-accent) 42%, transparent) 100%);
  pointer-events: none;
}

.media-frame > .media-caption {
  position: relative;
  z-index: 2;
  padding: var(--space-3);
  color: var(--color-contrast-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
}

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

/* ---------- timeline base ---------- */
.timeline-rail {
  position: relative;
  padding-left: var(--space-3);
  border-left: var(--border-thick) solid color-mix(in srgb, var(--color-primary) 65%, var(--color-line));
}

.timeline-node {
  position: relative;
  padding-block: var(--space-2);
}

.timeline-node::before {
  content: "";
  position: absolute;
  left: calc(var(--space-3) * -1 - 6px);
  top: calc(var(--space-2) + 8px);
  width: 10px;
  height: 10px;
  border-radius: var(--radius-pill);
  background-color: var(--color-surface);
  border: var(--border-thick) solid var(--color-accent);
}

/* ---------- reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 240ms ease-out, transform 240ms ease-out;
}

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

/* ---------- to top ---------- */
.to-top {
  position: fixed;
  right: var(--space-3);
  bottom: var(--space-3);
  z-index: 120;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-pill);
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  box-shadow: var(--shadow-1);
  opacity: 0;
  visibility: hidden;
  transition: opacity 200ms ease-out, visibility 200ms ease-out;
}

.to-top.is-visible { opacity: 1; visibility: visible; }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-surface);
  border-bottom: var(--border-thin) dotted var(--color-line);
}

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

.nav-top-inner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 56px;
  padding-block: var(--space-1);
}

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

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-pill);
  background-color: var(--color-contrast-accent);
  color: var(--color-contrast-surface);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-text { display: grid; gap: 2px; }

.brand-name {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  color: var(--color-contrast-ink);
  letter-spacing: var(--tracking-heading);
}

.brand-domain {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
  letter-spacing: 0.04em;
}

.brand-note {
  flex: 1 1 auto;
  min-width: 0;
  font-size: var(--text-xs);
  color: color-mix(in srgb, var(--color-contrast-ink) 76%, transparent);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  border-left: var(--border-thin) dotted var(--color-contrast-line);
  padding-left: var(--space-3);
}

.status-strip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 6px var(--space-2);
  border-radius: var(--radius-pill);
  border: var(--border-thin) solid var(--color-contrast-line);
  background-color: color-mix(in srgb, var(--color-contrast-ink) 8%, transparent);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-pill);
  background-color: var(--color-contrast-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-contrast-accent) 28%, transparent);
  animation: pulse-dot 2.4s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.82); }
}

.status-text {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-contrast-ink);
}

.nav-bar {
  background-color: var(--color-surface);
}

.nav-bar-inner {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 60px;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: var(--space-1);
  min-height: 44px;
  padding: 0 var(--space-2);
  border-radius: var(--radius-pill);
  border: var(--border-thin) solid var(--color-line);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-ink-soft);
}

.nav-toggle-bars { display: grid; gap: 3px; }
.nav-toggle-bars i {
  display: block;
  width: 16px;
  height: 2px;
  border-radius: var(--radius-pill);
  background-color: var(--color-primary);
}

.nav-track {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex: 1 1 auto;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
  padding-block: var(--space-1);
  scroll-snap-type: x proximity;
}

.nav-track::-webkit-scrollbar { display: none; }

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-ink-soft);
  white-space: nowrap;
  scroll-snap-align: start;
  transition: background-color 160ms ease-out, color 160ms ease-out;
}

.nav-link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%) scaleY(0);
  width: 3px;
  height: 22px;
  border-radius: var(--radius-pill);
  background-color: var(--color-accent);
  transition: transform 180ms ease-out;
}

.nav-link:hover {
  background-color: var(--color-primary-soft);
  color: color-mix(in srgb, var(--color-primary) 78%, var(--color-contrast-surface));
}

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

.nav-link[aria-current="page"]::before { transform: translateY(-50%) scaleY(1); }

.nav-scale {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-ink-muted);
  letter-spacing: 0.08em;
  border-left: var(--border-thin) dotted var(--color-line);
  padding-left: var(--space-2);
}

/* ---------- footer ---------- */
.site-footer {
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding-block: var(--space-8) var(--space-4);
  margin-top: var(--section-y);
}

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

.footer-brand { display: grid; gap: var(--space-2); }

.footer-wordmark {
  font-family: var(--font-heading);
  font-size: clamp(48px, 15vw, 148px);
  font-weight: var(--weight-heading);
  line-height: 0.86;
  letter-spacing: -0.02em;
  color: color-mix(in srgb, var(--color-contrast-ink) 92%, transparent);
  word-break: keep-all;
}

.footer-closing {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-contrast-accent);
}

.footer-meta {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
  padding-top: var(--space-4);
  border-top: var(--border-thin) dotted var(--color-contrast-line);
}

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

.footer-col-title {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--color-contrast-ink) 58%, transparent);
}

.footer-list { display: grid; gap: 6px; }

.footer-list a {
  color: var(--color-contrast-ink);
  font-size: var(--text-sm);
  border-bottom: var(--border-thin) dotted transparent;
  transition: color 160ms ease-out, border-color 160ms ease-out;
}

.footer-list a:hover {
  color: var(--color-contrast-accent);
  border-bottom-color: var(--color-contrast-accent);
}

.footer-list-plain li {
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 72%, transparent);
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  align-items: center;
  padding-top: var(--space-3);
  border-top: var(--border-thin) dotted var(--color-contrast-line);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: color-mix(in srgb, var(--color-contrast-ink) 66%, transparent);
}

.footer-base-item { display: inline-flex; align-items: center; gap: 6px; }

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  .brand-note { display: none; }
  .col-main { grid-column: 1 / -1; }
  .col-rail { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
  :root { --gutter: 20px; --section-y: 56px; --section-y-lg: 72px; }

  .nav-bar-inner { flex-wrap: wrap; padding-block: var(--space-1); }

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

  .nav-scale { display: none; }

  .nav-track {
    display: none;
    width: 100%;
    flex-wrap: wrap;
    overflow: visible;
  }

  .nav-track[data-open="true"],
  .site-header[data-open="true"] .nav-track {
    display: flex;
  }

  .nav-link {
    flex: 1 1 45%;
    justify-content: flex-start;
    border: var(--border-thin) dotted var(--color-line);
  }

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

  .status-strip { width: 100%; justify-content: flex-start; }

  .status-text { white-space: normal; }

  .nav-top-inner { flex-wrap: wrap; gap: var(--space-1); }

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

  .grid-12 { gap: var(--space-3); }

  .to-top { right: var(--space-2); bottom: var(--space-2); }
}

@media (max-width: 560px) {
  .brand-name { font-size: var(--text-xs); }
  .footer-closing { font-size: var(--text-base); }
  .footer-wordmark { letter-spacing: -0.03em; }
  .nav-link { flex: 1 1 100%; }
}

@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;
  }

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

  .status-dot { animation: none; }
}