:root {
  --ink: #070D0B;
  --ink-soft: #0A1410;
  --stand: #0B1F1A;
  --panel: #123027;
  --paper: #F2E9DA;
  --paper-shadow: #D9CEBB;
  --lime: #C6FF4A;
  --amber: #FFB347;
  --ice: #5CE1C0;
  --muted: #91A79B;
  --red: #E05A47;
  --line: rgba(242, 233, 218, 0.16);
  --line-strong: rgba(242, 233, 218, 0.32);
  --page-pad: clamp(16px, 4vw, 40px);
  --gutter: clamp(14px, 2vw, 28px);
  --font-display: "Alibaba PuHuiTi 3.0 105 Heavy", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "IBM Plex Mono", "JetBrains Mono", "Roboto Mono", ui-monospace, monospace;
  --radius: 2px;
  --sheet-shadow: 0 1px 0 var(--paper-shadow), 12px 12px 0 rgba(217, 206, 187, 0.16);
}

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

html {
  min-width: 320px;
  background: var(--ink);
  color-scheme: dark;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--stand);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  display: block;
}

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

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

button {
  cursor: pointer;
}

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

p,
h1,
h2,
h3,
h4,
h5,
h6,
figure,
blockquote,
dl,
dd {
  margin: 0;
}

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

address {
  font-style: normal;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

strong,
b {
  font-weight: 800;
}

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

:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 4px;
}

.section--paper :focus-visible,
.paper-sheet :focus-visible {
  outline-color: var(--stand);
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 8px 14px;
  background: var(--lime);
  color: var(--ink);
  border: 1px solid var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  transform: translateY(-160%);
  transition: transform 0.18s ease;
}

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

.page-shell {
  width: 100%;
  max-width: 1360px;
  margin-inline: auto;
  padding-inline: var(--page-pad);
}

.container {
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: var(--page-pad);
}

.section {
  position: relative;
  padding-block: clamp(56px, 8vw, 112px);
}

.section--dark {
  background: var(--stand);
  color: var(--paper);
}

.section--ink {
  background: var(--ink);
  color: var(--paper);
}

.section--panel {
  background: var(--panel);
  color: var(--paper);
}

.section--paper {
  background: var(--paper);
  color: var(--stand);
}

.section--paper .eyebrow,
.paper-sheet .eyebrow {
  color: #2e5f4e;
}

.section--paper .microcopy,
.paper-sheet .microcopy {
  color: #63766c;
}

.section--paper .lede,
.paper-sheet .lede {
  color: #294339;
}

.blueprint-grid {
  position: relative;
  background-image:
    linear-gradient(rgba(242, 233, 218, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242, 233, 218, 0.055) 1px, transparent 1px);
  background-size: 64px 64px;
}

.section--paper.blueprint-grid,
.paper-sheet.blueprint-grid {
  background-image:
    linear-gradient(rgba(11, 31, 26, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 31, 26, 0.08) 1px, transparent 1px);
}

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

.span-3 {
  grid-column: span 3;
}

.span-4 {
  grid-column: span 4;
}

.span-5 {
  grid-column: span 5;
}

.span-6 {
  grid-column: span 6;
}

.span-7 {
  grid-column: span 7;
}

.span-8 {
  grid-column: span 8;
}

.span-12 {
  grid-column: span 12;
}

.paper-sheet {
  position: relative;
  background: var(--paper);
  color: var(--stand);
  padding: clamp(24px, 4vw, 56px);
  border: 1px solid var(--paper-shadow);
  box-shadow: var(--sheet-shadow);
}

.paper-sheet::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(11, 31, 26, 0.12);
  pointer-events: none;
}

.paper-sheet > * {
  position: relative;
  z-index: 1;
}

.rule-line {
  height: 1px;
  margin: 0;
  border: 0;
  background: var(--line);
}

.section--paper .rule-line,
.paper-sheet .rule-line {
  background: rgba(11, 31, 26, 0.18);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
}

.display-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(44px, 7vw, 112px);
  font-weight: 900;
  line-height: 0.92;
  letter-spacing: -0.055em;
}

.section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 56px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.04em;
}

.lede {
  max-width: 66ch;
  color: var(--paper-shadow);
  font-size: clamp(16px, 1.8vw, 20px);
  line-height: 1.75;
}

.microcopy {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.1em;
}

.numeric {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.04em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid currentColor;
  border-radius: var(--radius);
  background: transparent;
  color: inherit;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.08em;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.18s ease, background-color 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
}

.btn--primary {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
  box-shadow: 4px 4px 0 var(--panel);
}

.btn--amber {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
  box-shadow: 4px 4px 0 rgba(7, 13, 11, 0.45);
}

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

.btn--paper {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--stand);
  box-shadow: 4px 4px 0 rgba(7, 13, 11, 0.24);
}

.btn--small {
  min-height: 34px;
  padding: 7px 11px;
  font-size: 11px;
}

.section--paper .btn--ghost {
  border-color: rgba(11, 31, 26, 0.28);
  color: var(--stand);
}

@media (hover: hover) {
  .btn:hover {
    transform: translateY(-2px);
  }

  .btn--primary:hover,
  .btn--amber:hover,
  .btn--paper:hover {
    box-shadow: 6px 6px 0 var(--panel);
  }

  .btn--ghost:hover {
    background: rgba(242, 233, 218, 0.08);
  }

  .section--paper .btn--ghost:hover {
    background: rgba(11, 31, 26, 0.08);
  }
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 24px;
  padding: 3px 8px;
  border: 1px solid currentColor;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.tag--lime {
  background: rgba(198, 255, 74, 0.08);
  color: var(--lime);
}

.tag--amber {
  background: rgba(255, 179, 71, 0.09);
  color: var(--amber);
}

.tag--red {
  background: rgba(224, 90, 71, 0.1);
  color: var(--red);
}

.tag--ice {
  background: rgba(92, 225, 192, 0.09);
  color: var(--ice);
}

.breadcrumbs {
  padding-block: 12px;
  border-bottom: 1px solid var(--line);
}

.section--paper .breadcrumbs {
  border-bottom-color: rgba(11, 31, 26, 0.18);
}

.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.breadcrumbs__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  color: var(--line-strong);
}

.breadcrumbs__link {
  color: var(--ice);
}

.breadcrumbs__current {
  color: var(--paper);
}

.section--paper .breadcrumbs__item {
  color: #63766c;
}

.section--paper .breadcrumbs__link {
  color: #25745f;
}

.section--paper .breadcrumbs__current {
  color: var(--stand);
}

.media-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(198, 255, 74, 0.12), transparent 42%),
    linear-gradient(315deg, rgba(92, 225, 192, 0.1), transparent 52%),
    var(--panel);
  border: 1px solid var(--line-strong);
  box-shadow: 8px 8px 0 rgba(7, 13, 11, 0.3);
  isolation: isolate;
}

.media-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(242, 233, 218, 0.11) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242, 233, 218, 0.11) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.7;
  pointer-events: none;
}

.media-frame__img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame__caption {
  position: absolute;
  left: 12px;
  bottom: 12px;
  z-index: 2;
  display: inline-flex;
  max-width: calc(100% - 24px);
  padding: 5px 8px;
  background: var(--ink);
  color: var(--paper);
  border-left: 2px solid var(--lime);
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.4;
  letter-spacing: 0.08em;
}

.media-frame--wide {
  aspect-ratio: 21 / 9;
}

.media-frame--tall {
  aspect-ratio: 4 / 5;
}

.data-table {
  width: 100%;
  color: inherit;
  font-size: 13px;
  line-height: 1.55;
}

.data-table caption {
  padding-bottom: 10px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-align: left;
}

.data-table th,
.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.data-table td.numeric,
.data-table th.numeric {
  text-align: right;
}

.section--paper .data-table th,
.section--paper .data-table td,
.paper-sheet .data-table th,
.paper-sheet .data-table td {
  border-bottom-color: rgba(11, 31, 26, 0.18);
}

.section--paper .data-table th,
.paper-sheet .data-table th {
  color: #2e5f4e;
}

.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 120;
  height: 3px;
  background: transparent;
  pointer-events: none;
}

.reading-progress__bar {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--lime), var(--amber));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.08s linear;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

.site-header {
  position: relative;
  z-index: 50;
  background: var(--ink);
  color: var(--paper);
  border-bottom: 1px solid var(--line);
}

.command-bar {
  background:
    linear-gradient(90deg, rgba(198, 255, 74, 0.055), transparent 32%),
    var(--ink);
  border-bottom: 1px solid var(--line);
}

.command-bar__inner {
  display: grid;
  grid-template-columns: minmax(220px, auto) minmax(0, 1fr) auto auto auto;
  align-items: center;
  gap: clamp(10px, 2vw, 24px);
  width: 100%;
  max-width: 1360px;
  min-height: 78px;
  margin-inline: auto;
  padding: 10px var(--page-pad);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-lockup__mark {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  padding: 5px;
  background: var(--lime);
  border: 1px solid var(--ink);
  box-shadow: 4px 4px 0 var(--panel);
  transform: rotate(-3deg);
}

.brand-lockup__pixel {
  background: var(--ink);
}

.brand-lockup__pixel:nth-child(2) {
  background: var(--stand);
}

.brand-lockup__pixel:nth-child(3) {
  background: var(--panel);
}

.brand-lockup__pixel:nth-child(4) {
  background: var(--ink);
}

.brand-lockup__text {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.brand-lockup__name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.brand-lockup__tagline {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 9px;
  line-height: 1.4;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.command-bar__meta {
  min-width: 0;
  padding-left: 20px;
  border-left: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.4;
  letter-spacing: 0.14em;
  white-space: nowrap;
}

.header-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--paper-shadow);
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.4;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.header-status__dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 0 rgba(198, 255, 74, 0.48);
  animation: status-breathe 2.4s ease-in-out infinite;
}

.header-status__text {
  color: var(--paper-shadow);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.08em;
  white-space: nowrap;
  transition: transform 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.header-action--ghost {
  border-color: var(--line-strong);
  color: var(--paper);
}

.header-action--solid {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
  box-shadow: 3px 3px 0 var(--panel);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 40px;
  padding: 8px 10px;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.nav-toggle__bars {
  display: grid;
  gap: 4px;
  width: 18px;
}

.nav-toggle__bars > span {
  display: block;
  height: 2px;
  background: currentColor;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle__text {
  line-height: 1;
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle__bars > span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars > span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars > span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav-shell {
  display: block;
  background: var(--stand);
  border-bottom: 1px solid var(--line);
}

.nav-shell__inner {
  display: flex;
  align-items: center;
  gap: 18px;
  width: 100%;
  max-width: 1360px;
  min-height: 48px;
  margin-inline: auto;
  padding-inline: var(--page-pad);
}

.nav-index {
  flex: 0 0 auto;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 9px;
  line-height: 1;
  letter-spacing: 0.12em;
}

.primary-nav {
  display: flex;
  flex: 1 1 auto;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px;
  min-width: 0;
}

.primary-nav__item {
  min-width: 0;
}

.primary-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 12px;
  border-left: 1px solid transparent;
  border-right: 1px solid transparent;
  color: rgba(242, 233, 218, 0.82);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.06em;
  white-space: nowrap;
  transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.primary-nav__link[aria-current="page"] {
  background: rgba(198, 255, 74, 0.09);
  border-color: rgba(198, 255, 74, 0.22);
  color: var(--lime);
}

.primary-nav__link[aria-current="page"]::before {
  content: "";
  position: absolute;
  right: 12px;
  bottom: 0;
  left: 12px;
  height: 2px;
  background: var(--lime);
}

.nav-note {
  flex: 0 0 auto;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 9px;
  line-height: 1.3;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

@keyframes status-breathe {
  0%,
  100% {
    opacity: 1;
    box-shadow: 0 0 0 0 rgba(198, 255, 74, 0.42);
  }
  50% {
    opacity: 0.55;
    box-shadow: 0 0 0 6px rgba(198, 255, 74, 0);
  }
}

@media (hover: hover) {
  .header-action:hover {
    transform: translateY(-2px);
  }

  .header-action--ghost:hover {
    border-color: var(--lime);
    color: var(--lime);
  }

  .header-action--solid:hover {
    background: var(--amber);
    border-color: var(--amber);
  }

  .primary-nav__link:hover {
    background: rgba(242, 233, 218, 0.06);
    color: var(--lime);
  }

  .nav-toggle:hover {
    border-color: var(--lime);
    color: var(--lime);
  }
}

.site-footer {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(198, 255, 74, 0.045), transparent 36%),
    linear-gradient(90deg, rgba(242, 233, 218, 0.045) 1px, transparent 1px),
    linear-gradient(rgba(242, 233, 218, 0.035) 1px, transparent 1px),
    var(--ink);
  background-size: auto, 72px 100%, 100% 72px, auto;
  color: var(--paper);
  border-top: 1px solid var(--line-strong);
}

.footer-shell {
  width: 100%;
  max-width: 1360px;
  margin-inline: auto;
  padding: clamp(48px, 7vw, 88px) var(--page-pad) 24px;
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(230px, 4fr) minmax(380px, 6fr) minmax(230px, 3fr);
  gap: clamp(28px, 5vw, 64px);
  padding-bottom: clamp(30px, 5vw, 48px);
  border-bottom: 1px solid var(--line);
}

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

.footer-brand__link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.footer-brand__mark {
  display: inline-grid;
  place-items: center;
  width: 58px;
  height: 58px;
  flex: 0 0 auto;
  background: var(--lime);
  color: var(--ink);
  border: 1px solid var(--ink);
  box-shadow: 6px 6px 0 var(--panel);
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.08em;
  transform: rotate(-3deg);
}

.footer-brand__name {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.02em;
}

.footer-brand__lede {
  max-width: 36ch;
  color: var(--paper-shadow);
  font-size: 14px;
  line-height: 1.8;
}

.footer-brand__note {
  margin-top: 18px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.5;
  letter-spacing: 0.12em;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(100px, 1fr));
  gap: clamp(18px, 3vw, 32px);
  min-width: 0;
}

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

.footer-column__title {
  margin-bottom: 14px;
  color: var(--ice);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.footer-links {
  display: grid;
  gap: 8px;
}

.footer-link {
  display: inline-flex;
  width: fit-content;
  max-width: 100%;
  padding-block: 2px;
  border-bottom: 1px solid transparent;
  color: rgba(242, 233, 218, 0.8);
  font-size: 13px;
  line-height: 1.5;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.footer-contact {
  min-width: 0;
  align-self: start;
  padding: 20px;
  background: rgba(18, 48, 39, 0.78);
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
}

.footer-contact__lead {
  margin-bottom: 14px;
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.06em;
}

.footer-contact__list {
  display: grid;
  gap: 9px;
}

.footer-contact__item {
  display: grid;
  grid-template-columns: 3em minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 12px;
  line-height: 1.6;
}

.footer-contact__item dt {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
}

.footer-contact__item dd {
  min-width: 0;
  color: var(--paper-shadow);
  overflow-wrap: anywhere;
}

.footer-contact__note {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
  line-height: 1.65;
}

.footer-contact__action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  margin-top: 16px;
  padding: 8px 12px;
  border: 1px solid var(--amber);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.08em;
  transition: background-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  padding-top: 20px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.6;
  letter-spacing: 0.05em;
}

.footer-base__copy,
.footer-base__icp {
  min-width: 0;
}

.footer-base__icp {
  color: var(--paper-shadow);
}

.footer-base__legal {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.footer-base__link {
  color: var(--ice);
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

@media (hover: hover) {
  .footer-link:hover {
    color: var(--lime);
    border-bottom-color: var(--lime);
  }

  .footer-contact__action:hover {
    background: var(--amber);
    color: var(--ink);
    transform: translateY(-2px);
  }

  .footer-base__link:hover {
    color: var(--lime);
    border-bottom-color: var(--lime);
  }
}

@media (max-width: 1180px) {
  .command-bar__inner {
    grid-template-columns: minmax(200px, auto) minmax(0, 1fr) auto auto;
  }

  .command-bar__meta {
    display: none;
  }
}

@media (max-width: 1080px) {
  .footer-top {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-contact {
    grid-column: 1 / -1;
  }

  .footer-brand__lede {
    max-width: 56ch;
  }
}

@media (max-width: 900px) {
  .command-bar__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px 14px;
    min-height: 0;
    padding-block: 12px;
  }

  .brand-lockup {
    grid-column: 1;
    grid-row: 1;
  }

  .nav-toggle {
    display: inline-flex;
    grid-column: 2;
    grid-row: 1;
  }

  .header-actions {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
  }

  .header-status {
    display: none;
  }

  .nav-shell {
    display: none;
    border-top: 1px solid var(--line);
  }

  .nav-shell[data-open] {
    display: block;
  }

  .nav-shell__inner {
    display: block;
    padding-block: 8px 14px;
  }

  .nav-index,
  .nav-note {
    display: none;
  }

  .primary-nav {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
  }

  .primary-nav__item {
    border-bottom: 1px solid var(--line);
  }

  .primary-nav__link {
    width: 100%;
    min-height: 48px;
    padding: 0 8px;
    border: 0;
    border-left: 2px solid transparent;
  }

  .primary-nav__link[aria-current="page"] {
    border-left-color: var(--lime);
  }

  .primary-nav__link[aria-current="page"]::before {
    right: 8px;
    left: auto;
    width: 28px;
  }

  .grid-12 .span-3,
  .grid-12 .span-4,
  .grid-12 .span-5,
  .grid-12 .span-6,
  .grid-12 .span-7 {
    grid-column: span 6;
  }

  .grid-12 .span-8,
  .grid-12 .span-12 {
    grid-column: span 12;
  }
}

@media (max-width: 720px) {
  .footer-nav {
    grid-template-columns: 1fr 1fr;
  }

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

  .footer-brand,
  .footer-contact {
    grid-column: auto;
  }

  .footer-base {
    display: grid;
    justify-content: start;
  }

  .footer-base__legal {
    gap: 8px 14px;
  }
}

@media (max-width: 640px) {
  .grid-12 .span-3,
  .grid-12 .span-4,
  .grid-12 .span-5,
  .grid-12 .span-6,
  .grid-12 .span-7,
  .grid-12 .span-8,
  .grid-12 .span-12 {
    grid-column: span 12;
  }

  .paper-sheet {
    padding: 22px 18px;
    box-shadow: 7px 7px 0 rgba(217, 206, 187, 0.2);
  }

  .media-frame,
  .media-frame--wide,
  .media-frame--tall {
    aspect-ratio: 16 / 10;
  }
}

@media (max-width: 560px) {
  .page-shell,
  .container {
    padding-inline: 16px;
  }

  .brand-lockup__mark {
    width: 38px;
    height: 38px;
    padding: 4px;
    box-shadow: 3px 3px 0 var(--panel);
  }

  .brand-lockup__name {
    font-size: 18px;
  }

  .brand-lockup__tagline {
    display: none;
  }

  .header-action {
    flex: 1 1 0;
    min-height: 36px;
  }

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

  .footer-contact {
    padding: 16px;
  }

  .footer-brand__mark {
    width: 50px;
    height: 50px;
    font-size: 19px;
  }

  .footer-brand__name {
    font-size: 21px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

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

  .reading-progress__bar {
    transition: none;
  }

  .header-status__dot {
    animation: none;
  }
}