:root {
  --bg: #071A17;
  --panel: #0B2620;
  --panel-2: #10332B;
  --line: #1A4A3E;
  --line-soft: rgba(213, 230, 224, 0.16);
  --cyan: #64F4D2;
  --cyan-soft: #A7FFBF;
  --orange: #FF8A3D;
  --gold: #FFC857;
  --text: #E8F3EE;
  --muted: #9DBFB4;
  --hairline: #D5E6E0;
  --shadow: 0 20px 70px rgba(0, 0, 0, 0.38);
  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-head: "Oswald", "Barlow Condensed", "Noto Sans SC", "Source Han Sans SC", "PingFang SC", sans-serif;
  --font-mono: "IBM Plex Mono", "Roboto Mono", "SFMono-Regular", "Cascadia Mono", "Noto Sans Mono", monospace;
  --gutter: clamp(20px, 5vw, 64px);
  --container: 1480px;
  --header-h: 96px;
  --header-h-scrolled: 76px;
  --col-gap: clamp(16px, 2vw, 32px);
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

html {
  min-width: 320px;
  background: var(--bg);
  color-scheme: dark;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h-scrolled) + 24px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.8;
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(100, 244, 210, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(100, 244, 210, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 82% 10%, rgba(255, 138, 61, 0.07), transparent 35%);
  background-size: 48px 48px, 48px 48px, auto;
  background-attachment: fixed;
}

body.nav-open {
  overflow: hidden;
}

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

ul,
ol {
  margin: 0;
  padding: 0;
}

ul[class],
ol[class] {
  list-style: none;
}

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

img {
  height: auto;
}

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

button {
  cursor: pointer;
}

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

address {
  font-style: normal;
}

::selection {
  background: var(--cyan);
  color: var(--bg);
}

:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

#main-content {
  display: block;
  padding-top: var(--header-h);
}

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

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

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 2000;
  transform: translateY(-160%);
  padding: 10px 14px;
  background: var(--cyan);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: transform 160ms var(--ease);
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  color: var(--text);
  background: linear-gradient(180deg, rgba(7, 26, 23, 0.78), rgba(7, 26, 23, 0));
  border-bottom: 1px solid transparent;
  transition:
    background-color 220ms var(--ease),
    border-color 220ms var(--ease),
    backdrop-filter 220ms var(--ease);
}

.site-header.is-scrolled {
  background: rgba(11, 38, 32, 0.96);
  border-bottom-color: var(--line);
  backdrop-filter: blur(12px);
}

.scroll-progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  z-index: 2;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--cyan-soft), var(--orange));
  transform: scaleX(0);
  transform-origin: left center;
  pointer-events: none;
}

.header-shell {
  width: min(calc(100% - var(--gutter) * 2), var(--container));
  min-height: var(--header-h);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 36px);
  transition: min-height 220ms var(--ease);
}

.site-header.is-scrolled .header-shell {
  min-height: var(--header-h-scrolled);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  color: var(--text);
}

.brand-mark {
  position: relative;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(100, 244, 210, 0.12), transparent 55%);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.brand-mark::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--orange);
  border-bottom: 2px solid var(--orange);
}

.brand-type {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.brand-name {
  color: var(--text);
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.08em;
}

.brand-micro {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.4;
  letter-spacing: 0.06em;
}

.header-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-left: 14px;
  border-left: 1px solid var(--line);
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
}

.status-dot {
  width: 7px;
  height: 7px;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 138, 61, 0.12);
}

.status-label {
  color: var(--text);
}

.status-meta {
  color: var(--muted);
}

.site-nav {
  display: flex;
  flex: 1 1 auto;
  justify-content: flex-end;
  min-width: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  pointer-events: none;
  transition:
    opacity 180ms var(--ease),
    transform 180ms var(--ease),
    visibility 180ms;
}

.site-header.is-scrolled .site-nav,
.site-header:focus-within .site-nav {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: clamp(8px, 1.2vw, 20px);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 2px;
  border-bottom: 1px solid transparent;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.2;
  letter-spacing: 0.04em;
  transition:
    color 160ms var(--ease),
    border-color 160ms var(--ease);
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link[aria-current="page"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.nav-link[aria-current="page"]::before {
  content: "";
  width: 5px;
  height: 5px;
  margin-right: 7px;
  background: var(--orange);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  background: rgba(16, 51, 43, 0.35);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  transition:
    background-color 160ms var(--ease),
    color 160ms var(--ease),
    border-color 160ms var(--ease);
}

.header-cta:hover,
.header-cta:focus-visible {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--bg);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--cyan);
  place-items: center;
}

.nav-toggle-line {
  display: block;
  width: 18px;
  height: 1px;
  margin: 3px 0;
  background: currentColor;
  transition:
    transform 160ms var(--ease),
    opacity 160ms var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}

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

.section--tight {
  padding-block: clamp(32px, 5vw, 64px);
}

.section--band {
  background: rgba(16, 51, 43, 0.72);
  border-block: 1px solid var(--line);
}

.section-head {
  display: grid;
  gap: 16px;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.section-head p {
  max-width: 68ch;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.4;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--orange);
}

.display-title {
  color: var(--text);
  font-family: var(--font-head);
  font-size: clamp(42px, 7vw, 104px);
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.02em;
}

.text-cyan {
  color: var(--cyan);
}

.text-orange {
  color: var(--orange);
}

.panel {
  padding: clamp(20px, 3vw, 36px);
  border: 1px solid var(--line);
  background: var(--panel);
}

.data-card {
  position: relative;
  padding: clamp(18px, 2.4vw, 28px);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(16, 51, 43, 0.9), rgba(11, 38, 32, 0.96));
  transition:
    transform 180ms var(--ease),
    border-color 180ms var(--ease);
}

.data-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), transparent 55%);
}

.data-card:hover {
  transform: translateY(-2px);
  border-color: rgba(100, 244, 210, 0.55);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.stat {
  padding: 18px;
  background: var(--panel);
}

.stat-value {
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: clamp(24px, 4vw, 40px);
  font-weight: 600;
  line-height: 1;
}

.stat-label {
  margin-top: 8px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.06em;
}

.round-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0 4px 10px;
  border-left: 2px solid var(--orange);
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.06em;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.4;
}

.tag::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--cyan);
}

.tag--live::before {
  background: var(--orange);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.2;
  letter-spacing: 0.08em;
  transition:
    background-color 160ms var(--ease),
    border-color 160ms var(--ease),
    color 160ms var(--ease),
    transform 160ms var(--ease);
}

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

.btn--primary {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--bg);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--cyan-soft);
  border-color: var(--cyan-soft);
}

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

.btn--ghost:hover,
.btn--ghost:focus-visible {
  background: rgba(100, 244, 210, 0.08);
  border-color: var(--cyan);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.04em;
}

.breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

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

.breadcrumbs a:hover,
.breadcrumbs a:focus-visible {
  color: var(--cyan);
}

.breadcrumbs [aria-current="page"] {
  color: var(--text);
}

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

.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;
}

.media-frame {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(100, 244, 210, 0.08), transparent 40%),
    linear-gradient(315deg, rgba(255, 138, 61, 0.08), transparent 35%),
    var(--panel-2);
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.06) brightness(0.86);
  transition:
    transform 500ms var(--ease),
    filter 500ms var(--ease);
}

.media-frame:hover img {
  transform: scale(1.025);
  filter: saturate(0.96) contrast(1.08) brightness(0.92);
}

.media-frame::before {
  content: "";
  position: absolute;
  inset: 12px;
  z-index: 2;
  border: 1px solid rgba(213, 230, 224, 0.16);
  pointer-events: none;
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, transparent 55%, rgba(7, 26, 23, 0.72));
  pointer-events: none;
}

.media-frame--wide {
  aspect-ratio: 16 / 7;
}

.media-frame--landscape {
  aspect-ratio: 16 / 9;
}

.media-frame--square {
  aspect-ratio: 1 / 1;
}

.media-frame--portrait {
  aspect-ratio: 3 / 4;
}

.media-caption {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 14px;
  z-index: 3;
  color: var(--cyan-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.04em;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--panel);
}

.data-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.6;
}

.data-table caption {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  text-align: left;
}

.data-table th {
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-align: left;
  white-space: nowrap;
}

.data-table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--text);
}

.data-table tbody tr:last-child td {
  border-bottom: 0;
}

.data-table tbody tr:hover {
  background: rgba(100, 244, 210, 0.045);
}

.data-table .num {
  color: var(--gold);
  font-family: var(--font-mono);
  white-space: nowrap;
}

.timeline {
  position: relative;
  padding-left: 28px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--line);
}

.timeline-item {
  position: relative;
  padding: 0 0 28px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 7px;
  width: 13px;
  height: 13px;
  border: 1px solid var(--cyan);
  background: var(--panel);
}

.timeline-item[data-state="live"]::before {
  border-color: var(--orange);
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 138, 61, 0.1);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.tabs {
  border: 1px solid var(--line);
  background: var(--panel);
}

.tab-list {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
}

.tab {
  appearance: none;
  border: 0;
  border-right: 1px solid var(--line);
  padding: 14px 18px;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.3;
  letter-spacing: 0.04em;
  transition:
    background-color 160ms var(--ease),
    color 160ms var(--ease);
}

.tab:hover {
  color: var(--cyan);
}

.tab[aria-selected="true"] {
  background: var(--cyan);
  color: var(--bg);
}

.tab-panel {
  padding: clamp(20px, 3vw, 32px);
}

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

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

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

.site-footer {
  position: relative;
  border-top: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
}

.site-footer::before {
  content: "";
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--orange) 0 80px, var(--cyan) 80px 160px, transparent 160px);
}

.footer-shell {
  width: min(calc(100% - var(--gutter) * 2), var(--container));
  margin-inline: auto;
  padding-block: clamp(44px, 7vw, 84px) 24px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1.25fr 0.8fr;
  gap: clamp(24px, 4vw, 56px);
}

.footer-brand {
  display: grid;
  align-content: start;
  gap: 12px;
}

.footer-kicker {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.5;
  letter-spacing: 0.16em;
}

.footer-title {
  color: var(--text);
  font-family: var(--font-head);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.02em;
}

.footer-note {
  max-width: 28ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.footer-round {
  display: inline-flex;
  width: fit-content;
  padding-left: 10px;
  border-left: 2px solid var(--orange);
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
}

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

.footer-heading {
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.12em;
}

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

.footer-link {
  display: inline-flex;
  padding: 5px 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
  transition: color 160ms var(--ease);
}

.footer-link:hover,
.footer-link:focus-visible {
  color: var(--cyan);
}

.footer-contact {
  display: grid;
  gap: 10px;
  font-size: 14px;
}

.footer-contact-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.footer-contact-label {
  padding-top: 2px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.5;
}

.footer-contact-value {
  color: var(--text);
  word-break: break-word;
}

.footer-note-small {
  max-width: 36ch;
  margin-top: 16px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.7;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 24px;
  margin-top: clamp(32px, 5vw, 56px);
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.footer-copyright,
.footer-icp {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.6;
}

.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-left: auto;
}

.footer-legal-link {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.6;
}

.footer-legal-link:hover,
.footer-legal-link:focus-visible {
  color: var(--cyan);
}

@media (min-width: 981px) {
  .site-header:hover .site-nav {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }
}

@media (max-width: 1180px) {
  .header-status .status-meta {
    display: none;
  }

  .nav-list {
    gap: 8px;
  }

  .nav-link {
    font-size: 12px;
  }
}

@media (max-width: 1100px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }

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

@media (max-width: 980px) {
  :root {
    --header-h: 72px;
    --header-h-scrolled: 64px;
  }

  .site-header {
    background: rgba(7, 26, 23, 0.92);
    border-bottom-color: var(--line);
  }

  .header-shell {
    gap: 12px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

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

  .brand-micro {
    display: none;
  }

  .header-status {
    padding-left: 10px;
    font-size: 10px;
  }

  .status-meta {
    display: none;
  }

  .site-nav,
  .site-header.is-scrolled .site-nav,
  .site-header:focus-within .site-nav {
    position: fixed;
    top: calc(var(--header-h) + 8px);
    left: var(--gutter);
    right: var(--gutter);
    z-index: 1002;
    display: block;
    max-height: calc(100dvh - var(--header-h) - 24px);
    overflow: auto;
    padding: 12px;
    border: 1px solid var(--line);
    background: var(--panel);
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    pointer-events: none;
    transition:
      opacity 180ms var(--ease),
      transform 180ms var(--ease),
      visibility 180ms;
  }

  .site-header.is-scrolled .site-nav[data-open],
  .site-header .site-nav[data-open] {
    top: calc(var(--header-h-scrolled) + 8px);
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }

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

  .nav-link {
    min-height: 48px;
    justify-content: flex-start;
    padding: 8px 10px;
    border-bottom: 1px solid var(--line);
    font-size: 14px;
  }

  .nav-link:last-child {
    border-bottom: 0;
  }

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

  .grid-12 {
    grid-template-columns: 1fr;
  }

  .col-3,
  .col-4,
  .col-5,
  .col-6,
  .col-7,
  .col-8,
  .col-9,
  .col-12 {
    grid-column: 1 / -1;
  }
}

@media (max-width: 680px) {
  body {
    font-size: 16px;
  }

  .header-shell {
    gap: 8px;
  }

  .brand {
    gap: 8px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
    font-size: 10px;
  }

  .brand-name {
    font-size: 16px;
    letter-spacing: 0.05em;
  }

  .header-status {
    gap: 5px;
    padding-left: 8px;
    font-size: 10px;
  }

  .status-dot {
    width: 6px;
    height: 6px;
  }

  .header-actions {
    gap: 6px;
  }

  .header-cta {
    min-height: 38px;
    padding: 0 9px;
    font-size: 10px;
    letter-spacing: 0.04em;
  }

  .nav-toggle {
    width: 40px;
    height: 40px;
  }

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

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

  .footer-bottom {
    display: grid;
    gap: 10px;
  }

  .footer-legal-links {
    margin-left: 0;
  }
}

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

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

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

  .data-card:hover,
  .btn:hover,
  .media-frame:hover img {
    transform: none;
  }
}