:root {
  --paper: #F5EEDF;
  --paper-white: #FFFBF2;
  --green: #082A24;
  --ink: #1B1511;
  --neon: #51F2CF;
  --orange: #FF6B3D;
  --slate: #8FA5B8;
  --moss: #2D5B4D;
  --gold: #C9A86A;
  --rail-w: 96px;
  --content-max: 1180px;
  --gutter: clamp(16px, 3vw, 32px);
  --border: 2px solid var(--ink);
  --shadow-hard: 6px 6px 0 var(--ink);
  --shadow-accent: 6px 6px 0 var(--orange);
  --pill: 999px;
  --radius: 4px;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --font-display: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

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

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

body {
  min-height: 100vh;
  margin: 0;
  padding-left: var(--rail-w);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  background-color: var(--paper);
  background-image:
    linear-gradient(90deg, rgba(8, 42, 36, .055) 1px, transparent 1px),
    linear-gradient(0deg, rgba(8, 42, 36, .025) 1px, transparent 1px);
  background-size: 96px 96px, 96px 96px;
}

body,
button,
input,
select,
textarea {
  font-family: var(--font-body);
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -.03em;
}

h1 {
  margin-bottom: .5em;
  font-size: clamp(2.4rem, 5vw, 4.8rem);
}

h2 {
  margin-bottom: .65em;
  font-size: clamp(1.6rem, 2.6vw, 2.4rem);
}

h3 {
  margin-bottom: .6em;
  font-size: clamp(1.15rem, 1.8vw, 1.45rem);
}

p {
  margin-bottom: 1em;
}

a {
  color: inherit;
  text-decoration-thickness: .08em;
  text-underline-offset: .18em;
}

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

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

ul,
ol {
  margin-top: 0;
  padding-left: 1.2em;
}

::selection {
  color: var(--green);
  background: var(--neon);
}

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  padding: 12px 18px;
  border: var(--border);
  border-radius: var(--pill);
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
  background: var(--neon);
  box-shadow: 4px 4px 0 var(--ink);
  transform: translateY(-150%);
  transition: transform 180ms var(--ease);
}

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

.site-header {
  position: relative;
  z-index: 80;
  width: 100%;
}

.brand-rail {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 90;
  display: flex;
  width: var(--rail-w);
  flex-direction: column;
  align-items: center;
  gap: 14px;
  overflow: hidden;
  padding: 20px 10px 18px;
  border-right: var(--border);
  color: var(--paper-white);
  background: var(--green);
}

.rail-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  color: var(--paper-white);
  text-decoration: none;
}

.rail-mark {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border: var(--border);
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -.06em;
  background: var(--neon);
  box-shadow: 4px 4px 0 var(--orange);
  transform: rotate(-6deg);
}

.rail-word {
  color: var(--paper-white);
  font-family: var(--font-display);
  font-size: .82rem;
  font-weight: 900;
  letter-spacing: .2em;
  writing-mode: vertical-rl;
}

.rail-meta {
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: .58rem;
  letter-spacing: .16em;
  writing-mode: vertical-rl;
}

.rail-line {
  width: 1px;
  min-height: 60px;
  flex: 1;
  margin: 8px 0;
  background: linear-gradient(180deg, rgba(81, 242, 207, .8), rgba(245, 238, 223, .08));
}

.rail-progress {
  display: block;
  width: 4px;
  height: 140px;
  flex: 0 0 auto;
  overflow: hidden;
  border-radius: 2px;
  background: rgba(245, 238, 223, .16);
}

.rail-progress-fill {
  display: block;
  width: 100%;
  height: 0;
  border-radius: inherit;
  background: var(--neon);
  transition: height 180ms ease-out;
}

.rail-coord {
  margin-top: auto;
  color: var(--slate);
  font-family: var(--font-mono);
  font-size: .58rem;
  letter-spacing: .12em;
  writing-mode: vertical-rl;
}

.header-deck {
  display: flex;
  width: min(1280px, calc(100% - 48px));
  flex-direction: column;
  gap: 14px;
  margin: 20px auto 0;
}

.utility-row {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 14px;
  transition: opacity 180ms var(--ease), transform 180ms var(--ease);
}

.utility-strip {
  display: flex;
  align-items: center;
  gap: 8px;
}

.utility-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 8px 13px;
  border: 1px solid var(--ink);
  border-radius: var(--pill);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-decoration: none;
  white-space: nowrap;
  background: var(--paper-white);
  box-shadow: 2px 2px 0 var(--ink);
  transition: color 180ms var(--ease), background 180ms var(--ease), transform 180ms var(--ease), box-shadow 180ms var(--ease);
}

.utility-link:hover {
  color: var(--neon);
  background: var(--green);
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 var(--ink);
}

.header-cta {
  flex: 0 0 auto;
  font-size: .78rem;
}

.btn {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: .45em;
  padding: .72rem 1.1rem;
  border: var(--border);
  border-radius: var(--pill);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: .95rem;
  font-weight: 800;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  background: var(--paper-white);
  box-shadow: 4px 4px 0 var(--ink);
  cursor: pointer;
  transition: transform 180ms var(--ease), box-shadow 180ms var(--ease), background 180ms var(--ease), color 180ms var(--ease);
}

.btn:hover {
  transform: translate(-1px, -1px);
  box-shadow: 6px 6px 0 var(--ink);
}

.btn:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--ink);
}

.btn-primary {
  color: var(--ink);
  background: var(--orange);
  box-shadow: 4px 4px 0 var(--green);
}

.btn-primary:hover {
  background: var(--gold);
  box-shadow: 6px 6px 0 var(--green);
}

.btn-secondary {
  color: var(--paper-white);
  background: var(--green);
  box-shadow: 4px 4px 0 var(--orange);
}

.btn-secondary:hover {
  color: var(--neon);
  background: var(--moss);
  box-shadow: 6px 6px 0 var(--orange);
}

.btn-ghost {
  border-color: var(--green);
  color: var(--green);
  background: transparent;
  box-shadow: none;
}

.btn-ghost:hover {
  color: var(--paper-white);
  background: var(--green);
  box-shadow: 4px 4px 0 var(--orange);
}

.nav-bar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.mobile-brand {
  display: none;
}

.nav-toggle {
  display: none;
}

.site-nav {
  padding: 6px;
  border: var(--border);
  border-radius: var(--pill);
  background: var(--green);
  box-shadow: 5px 5px 0 var(--orange);
  transition: box-shadow 180ms var(--ease), transform 180ms var(--ease);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0 15px;
  border-radius: var(--pill);
  color: var(--paper-white);
  font-size: .86rem;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition: color 180ms var(--ease), background 180ms var(--ease), box-shadow 180ms var(--ease);
}

.nav-link:hover {
  color: var(--neon);
  background: var(--moss);
}

.nav-link[aria-current="page"] {
  color: var(--green);
  background: var(--neon);
  box-shadow: inset 0 0 0 2px var(--ink);
}

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

.nav-cta {
  margin-left: 6px;
  color: var(--ink);
  font-weight: 900;
  background: var(--orange);
}

.nav-cta:hover {
  color: var(--ink);
  background: var(--gold);
}

.site-header[data-scrolled="true"] .site-nav {
  box-shadow: 4px 4px 0 var(--orange);
  transform: translateY(-1px);
}

.site-header[data-scrolled="true"] .utility-row {
  opacity: .78;
  transform: translateY(-1px);
}

.content-shell {
  width: min(var(--content-max), calc(100% - 48px));
  margin-inline: auto;
}

.section {
  margin-block: clamp(64px, 10vw, 128px);
}

.grid-2,
.grid-3,
.split {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
}

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

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.split {
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  align-items: start;
}

.panel {
  padding: clamp(18px, 3vw, 30px);
  border: var(--border);
  background: var(--paper-white);
  box-shadow: var(--shadow-hard);
}

.data-card {
  position: relative;
  min-width: 0;
  padding: clamp(18px, 3vw, 30px);
  border: var(--border);
  color: var(--paper-white);
  background: var(--green);
  box-shadow: 8px 8px 0 var(--orange);
}

.data-card::after {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 28px;
  height: 28px;
  border-top: 2px solid var(--neon);
  border-right: 2px solid var(--neon);
  content: "";
  pointer-events: none;
}

.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
  color: var(--paper-white);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.metric {
  margin: 0;
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: .95;
  letter-spacing: -.06em;
}

.tag,
.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid currentColor;
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: .05em;
  text-decoration: none;
  white-space: nowrap;
}

.tag {
  min-height: 30px;
  padding: 6px 9px;
  color: var(--paper-white);
  background: var(--moss);
}

.pill {
  min-height: 34px;
  padding: 7px 12px;
  border-radius: var(--pill);
  color: var(--green);
  background: var(--paper-white);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  color: var(--moss);
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 26px;
  height: 2px;
  background: var(--orange);
  content: "";
}

.mono {
  font-family: var(--font-mono);
  letter-spacing: .02em;
}

.rule {
  width: 100%;
  height: 2px;
  margin-block: clamp(24px, 5vw, 48px);
  border: 0;
  background: var(--ink);
}

.breadcrumbs {
  margin-block: 18px 30px;
  color: var(--moss);
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .03em;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumbs li:not(:last-child)::after {
  margin-left: 8px;
  color: var(--slate);
  content: "/";
}

.breadcrumbs a {
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--orange);
}

.prose {
  max-width: 70ch;
  font-size: clamp(1rem, 1.1vw, 1.08rem);
  line-height: 1.8;
}

.prose h2,
.prose h3 {
  margin-top: 1.5em;
}

.prose a {
  color: var(--moss);
  text-decoration-color: var(--orange);
}

.image-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  margin: 0;
  overflow: hidden;
  border: var(--border);
  border-radius: 0;
  background: var(--moss);
  box-shadow: var(--shadow-hard);
}

.image-frame::after {
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(81, 242, 207, .32);
  content: "";
  pointer-events: none;
}

.image-frame img,
.image-frame picture,
.image-frame video {
  width: 100%;
  height: 100%;
}

.image-frame img,
.image-frame video {
  object-fit: cover;
  filter: saturate(.9) contrast(1.05);
}

.image-frame[data-ratio="wide"] {
  aspect-ratio: 16 / 9;
}

.image-frame[data-ratio="square"] {
  aspect-ratio: 1 / 1;
}

.image-frame[data-ratio="portrait"] {
  aspect-ratio: 4 / 5;
}

.image-caption {
  margin-top: 10px;
  color: var(--moss);
  font-family: var(--font-mono);
  font-size: .7rem;
  line-height: 1.5;
}

.tabs {
  margin-block: clamp(20px, 4vw, 36px);
}

.tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ink);
}

.tab {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: .55rem .95rem;
  border: var(--border);
  border-radius: var(--pill);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .02em;
  background: var(--paper-white);
  box-shadow: 3px 3px 0 var(--ink);
  transition: color 180ms var(--ease), background 180ms var(--ease), box-shadow 180ms var(--ease), transform 180ms var(--ease);
}

.tab:hover {
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 var(--ink);
}

.tab[aria-selected="true"] {
  color: var(--neon);
  background: var(--green);
  box-shadow: 4px 4px 0 var(--orange);
}

.tab-panel {
  padding-block: clamp(18px, 3vw, 30px);
}

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

.site-footer {
  position: relative;
  isolation: isolate;
  margin-top: clamp(72px, 12vw, 150px);
  overflow: hidden;
  border-top: 8px solid var(--ink);
  color: var(--paper-white);
  background-color: var(--green);
  background-image:
    linear-gradient(115deg, transparent 0 67%, rgba(81, 242, 207, .07) 67% 67.6%, transparent 67.6%),
    linear-gradient(90deg, rgba(245, 238, 223, .045) 1px, transparent 1px);
  background-size: auto, 88px 88px;
  box-shadow: inset 0 6px 0 var(--orange);
}

.site-footer::before {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(180deg, transparent 0 54%, rgba(143, 165, 184, .07) 54% 55%, transparent 55%),
    radial-gradient(circle at 88% 18%, rgba(81, 242, 207, .16), transparent 24%);
  content: "";
  pointer-events: none;
}

.footer-inner {
  position: relative;
  z-index: 1;
  width: min(var(--content-max), calc(100% - 48px));
  margin-inline: auto;
  padding-block: clamp(44px, 7vw, 82px) 24px;
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(240px, .85fr) minmax(260px, 1fr);
  gap: clamp(28px, 5vw, 64px);
  padding-bottom: clamp(30px, 5vw, 56px);
  border-bottom: 1px solid rgba(245, 238, 223, .22);
}

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

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  color: var(--paper-white);
  text-decoration: none;
}

.footer-logo-mark {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: var(--border);
  color: var(--green);
  font-family: var(--font-mono);
  font-size: .9rem;
  font-weight: 700;
  background: var(--neon);
  box-shadow: 3px 3px 0 var(--orange);
}

.footer-logo-text {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 900;
  letter-spacing: -.03em;
}

.footer-brand-line {
  max-width: 22em;
  margin-bottom: 10px;
  color: var(--paper-white);
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  font-weight: 900;
  line-height: 1.32;
  letter-spacing: -.03em;
}

.footer-desc {
  max-width: 30em;
  margin-bottom: 18px;
  color: rgba(245, 238, 223, .72);
  font-size: .92rem;
  line-height: 1.75;
}

.footer-stamp {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  margin: 0;
  padding: 5px 9px;
  border: 1px solid var(--neon);
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: .64rem;
  font-weight: 700;
  letter-spacing: .08em;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  min-width: 0;
}

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

.footer-nav-title {
  margin-bottom: 12px;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.footer-list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  color: rgba(245, 238, 223, .86);
  font-size: .9rem;
  text-decoration: none;
  transition: color 180ms var(--ease), transform 180ms var(--ease);
}

.footer-link:hover {
  color: var(--neon);
  transform: translateX(3px);
}

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

.contact-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.contact-item {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.contact-label {
  color: var(--slate);
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .06em;
}

.contact-value {
  min-width: 0;
  color: var(--paper-white);
  font-size: .9rem;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.contact-note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(245, 238, 223, .24);
  color: rgba(245, 238, 223, .68);
  font-size: .78rem;
  line-height: 1.7;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  padding-top: 20px;
}

.footer-copyright,
.footer-legal {
  margin: 0;
  color: rgba(245, 238, 223, .62);
  font-size: .72rem;
  line-height: 1.6;
}

.footer-copyright {
  font-family: var(--font-mono);
}

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

.footer-icp {
  color: var(--gold);
  font-family: var(--font-mono);
}

.footer-sep {
  color: var(--slate);
}

@media (max-width: 1180px) {
  .nav-link {
    padding-inline: 11px;
    font-size: .8rem;
  }

  .utility-link {
    padding-inline: 10px;
    font-size: .63rem;
  }
}

@media (max-width: 980px) {
  body {
    padding-left: 0;
  }

  .brand-rail {
    position: relative;
    inset: auto;
    width: 100%;
    height: 48px;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 6px 16px;
    border-right: 0;
    border-bottom: var(--border);
  }

  .rail-brand {
    flex-direction: row;
    gap: 10px;
  }

  .rail-mark {
    width: 32px;
    height: 32px;
    font-size: .68rem;
    box-shadow: 2px 2px 0 var(--orange);
  }

  .rail-word {
    font-size: .74rem;
    letter-spacing: .12em;
    writing-mode: horizontal-tb;
  }

  .rail-meta {
    display: none;
  }

  .rail-line {
    width: min(16vw, 74px);
    height: 1px;
    min-height: 0;
    flex: 0 1 auto;
    margin: 0 auto;
    background: linear-gradient(90deg, transparent, var(--neon));
  }

  .rail-progress {
    display: none;
  }

  .rail-coord {
    margin-top: 0;
    font-size: .52rem;
    writing-mode: horizontal-tb;
  }

  .header-deck {
    width: calc(100% - 32px);
    gap: 10px;
    margin-top: 12px;
  }

  .utility-row {
    justify-content: space-between;
    gap: 10px;
  }

  .utility-strip {
    max-width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .header-cta {
    display: none;
  }

  .nav-bar {
    justify-content: space-between;
    gap: 12px;
  }

  .mobile-brand {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    gap: 8px;
    color: var(--ink);
    text-decoration: none;
  }

  .mobile-brand-mark {
    display: grid;
    width: 34px;
    height: 34px;
    place-items: center;
    border: var(--border);
    color: var(--green);
    font-family: var(--font-mono);
    font-size: .68rem;
    font-weight: 700;
    background: var(--neon);
    box-shadow: 2px 2px 0 var(--ink);
  }

  .mobile-brand-name {
    font-family: var(--font-display);
    font-size: .95rem;
    font-weight: 900;
    letter-spacing: -.03em;
  }

  .nav-toggle {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    gap: 8px;
    padding: 0 14px;
    border: var(--border);
    border-radius: var(--pill);
    color: var(--ink);
    font-size: .82rem;
    font-weight: 800;
    background: var(--paper-white);
    box-shadow: 3px 3px 0 var(--ink);
    transition: color 180ms var(--ease), background 180ms var(--ease), box-shadow 180ms var(--ease), transform 180ms var(--ease);
  }

  .nav-toggle:hover {
    transform: translate(-1px, -1px);
    box-shadow: 4px 4px 0 var(--ink);
  }

  .nav-toggle[aria-expanded="true"] {
    color: var(--green);
    background: var(--neon);
  }

  .nav-toggle-lines {
    display: grid;
    gap: 4px;
  }

  .nav-toggle-lines span {
    display: block;
    width: 16px;
    height: 2px;
    background: currentColor;
    transition: transform 180ms var(--ease);
  }

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

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

  .site-nav {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    left: 0;
    z-index: 95;
    padding: 10px;
    border-radius: 22px;
    opacity: 0;
    visibility: hidden;
    box-shadow: 6px 6px 0 var(--ink);
    transform: translateY(-8px);
    transition: opacity 200ms var(--ease), transform 200ms var(--ease), visibility 200ms var(--ease);
  }

  .site-nav[data-open="true"] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .nav-link {
    width: 100%;
    min-height: 48px;
    justify-content: flex-start;
    padding: 0 14px;
    border-radius: 14px;
    font-size: .92rem;
  }

  .nav-cta {
    justify-content: center;
    margin-left: 0;
  }

  .site-header[data-scrolled="true"] .site-nav {
    transform: translateY(0);
  }

  .content-shell {
    width: calc(100% - 32px);
  }

  .footer-inner {
    width: calc(100% - 32px);
  }

  .footer-top {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
  }

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

@media (max-width: 760px) {
  .grid-2,
  .grid-3,
  .split {
    grid-template-columns: 1fr;
  }

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

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

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

  .footer-brand-line {
    max-width: 100%;
  }

  .section {
    margin-block: clamp(52px, 12vw, 84px);
  }
}

@media (max-width: 640px) {
  .utility-row {
    display: none;
  }

  .header-deck {
    margin-top: 10px;
  }

  .rail-coord {
    display: none;
  }

  .rail-line {
    margin-left: auto;
    margin-right: 8px;
  }

  .footer-nav {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .contact-item {
    grid-template-columns: 46px minmax(0, 1fr);
  }

  .tab-list {
    align-items: stretch;
    flex-direction: column;
  }

  .tab {
    justify-content: flex-start;
    padding-inline: 14px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}