/* ==========================================================================
   欧博体育 /assets/site.css — 共享外壳样式
   深墨绿演播厅底 + 纸白实色内容层 + 炽热橙 / 荧光青双高亮
   ========================================================================== */

/* 1. Reset
   ========================================================================== */
*,
*::before,
*::after { box-sizing: border-box; }

html, body, h1, h2, h3, h4, h5, p, ul, ol, li, figure, blockquote, dl, dd, fieldset, legend {
  margin: 0;
  padding: 0;
}

ul, ol { list-style: none; }

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

button { font: inherit; color: inherit; }

/* 2. Tokens
   ========================================================================== */
:root {
  --ink: #0B2B26;
  --ink-2: #123B33;
  --ink-3: #0E322C;
  --orange: #FF6A13;
  --orange-2: #FF8A3D;
  --cyan: #4DF0D0;
  --silver: #C7D0CC;
  --paper: #F4F1E8;
  --charcoal: #101514;
  --danger: #C94A12;
  --glass: rgba(255, 255, 255, 0.08);
  --glass-2: rgba(255, 255, 255, 0.14);
  --hairline: rgba(199, 208, 204, 0.16);

  --font-display: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", Georgia, serif;
  --font-data: "JetBrains Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --max: 1280px;
  --gutter: 24px;
  --radius: 2px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur: 160ms;
  --shadow-panel: 0 24px 60px rgba(0, 0, 0, 0.32);
}

/* 3. Base typography
   ========================================================================== */
html { -webkit-text-size-adjust: 100%; }

body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: 0.02em;
  color: inherit;
}

h1 { font-size: clamp(30px, 5vw, 56px); }
h2 { font-size: clamp(24px, 3.4vw, 40px); }
h3 { font-size: clamp(18px, 2vw, 24px); }
h4 { font-size: clamp(16px, 1.6vw, 20px); }

p { line-height: 1.85; }

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

strong { font-weight: 700; }

::selection { background: var(--orange); color: var(--charcoal); }

[id] { scroll-margin-top: 132px; }

#main-content { display: block; min-height: 40vh; }

/* 4. Layout primitives
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section { padding: clamp(56px, 8vw, 128px) 0; }
.section--tight { padding: clamp(32px, 5vw, 72px) 0; }

.section__head { max-width: 860px; margin-bottom: clamp(24px, 4vw, 48px); }

.section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--orange-2);
}

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

.section__title { margin-top: 14px; color: var(--paper); }

.section__lead {
  margin-top: 16px;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.85;
  color: var(--silver);
}

.panel { padding: clamp(24px, 3.2vw, 44px); border-radius: var(--radius); }

.panel--ink { background: var(--ink-2); color: var(--paper); }

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

.panel--paper h1,
.panel--paper h2,
.panel--paper h3,
.panel--paper h4,
.panel--paper .section__title { color: var(--charcoal); }

.panel--paper p,
.panel--paper li { color: #33403C; }

.panel--paper .section__eyebrow { color: var(--danger); }
.panel--paper .section__eyebrow::before { background: var(--danger); }
.panel--paper .section__lead { color: #3C4A46; }

.panel--glass {
  background: var(--glass);
  border: 1px solid var(--hairline);
  -webkit-backdrop-filter: blur(10px) saturate(1.1);
  backdrop-filter: blur(10px) saturate(1.1);
  color: var(--paper);
}

.stack { display: grid; gap: clamp(20px, 3vw, 40px); }

.stack--offset > *:nth-child(even) { margin-left: clamp(0px, 4vw, 48px); }

/* 5. Grid
   ========================================================================== */
.grid { display: grid; gap: clamp(20px, 2.6vw, 36px); }
.grid--12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--auto { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

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

/* 6. Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.2;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
              border-color var(--dur) var(--ease), transform var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}

.btn--primary {
  background: var(--orange);
  color: var(--charcoal);
  box-shadow: 0 10px 26px rgba(255, 106, 19, 0.26);
}

.btn--primary:hover { background: var(--orange-2); transform: translateY(-1px); }

.btn--ghost {
  background: transparent;
  color: var(--paper);
  border-color: rgba(244, 241, 232, 0.34);
}

.btn--ghost:hover {
  background: var(--glass);
  border-color: var(--cyan);
  color: var(--cyan);
}

.btn--quiet {
  background: var(--glass);
  color: var(--paper);
  border-color: var(--hairline);
}

.btn--quiet:hover { background: var(--glass-2); border-color: var(--cyan); }

.btn--ink { background: var(--charcoal); color: var(--paper); }
.btn--ink:hover { background: #1C2523; transform: translateY(-1px); }

.btn--sm { padding: 9px 16px; font-size: 13px; letter-spacing: 0.06em; }

/* 7. Text & data components
   ========================================================================== */
.prose { max-width: 68ch; font-size: 16px; line-height: 1.85; }
.prose p + p { margin-top: 1em; }
.prose h2, .prose h3 { margin-top: 1.6em; margin-bottom: 0.5em; }
.prose ul, .prose ol { margin: 1em 0 0 0; display: grid; gap: 0.5em; }
.prose li { padding-left: 18px; position: relative; }
.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 2px;
  background: var(--orange);
}

.editorial { font-family: var(--font-serif); font-weight: 600; line-height: 1.75; }

.pull-quote {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(18px, 2.2vw, 26px);
  line-height: 1.6;
  border-left: 3px solid var(--orange);
  padding-left: clamp(16px, 2vw, 28px);
}

.data {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.note {
  font-size: 13px;
  line-height: 1.75;
  color: var(--silver);
  border-left: 2px solid var(--cyan);
  padding-left: 14px;
}

.divider {
  height: 1px;
  border: 0;
  background: var(--hairline);
  margin: clamp(24px, 4vw, 48px) 0;
}

.stat { display: flex; flex-direction: column; gap: 6px; padding: 18px 0; }

.stat__value {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(24px, 3vw, 40px);
  line-height: 1.1;
  color: var(--cyan);
}

.stat__label {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--silver);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  border: 1px solid rgba(199, 208, 204, 0.26);
  border-radius: 999px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--silver);
}

.chip--data { color: var(--cyan); border-color: rgba(77, 240, 208, 0.45); }
.chip--hot { color: var(--orange-2); border-color: rgba(255, 138, 61, 0.45); }

/* 8. Index list & horizontal rail
   ========================================================================== */
.index-list { display: grid; border-top: 1px solid var(--hairline); }

.index-list__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 16px;
  padding: 16px 6px;
  border-bottom: 1px solid var(--hairline);
  color: var(--paper);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.index-list__item:hover { background: var(--glass); transform: translateX(6px); }

.index-list__num {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.index-list__label { font-size: 15px; font-weight: 600; }

.index-list__meta {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--silver);
  text-transform: uppercase;
}

.rail {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 4px 4px 20px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.rail > * { flex: 0 0 auto; width: min(320px, 78vw); scroll-snap-align: start; }

.rail::-webkit-scrollbar { height: 6px; }
.rail::-webkit-scrollbar-track { background: rgba(199, 208, 204, 0.1); }
.rail::-webkit-scrollbar-thumb { background: rgba(199, 208, 204, 0.28); border-radius: 3px; }

/* 9. Media containers（供页面阶段放置图片）
   ========================================================================== */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--ink-2);
  border-radius: var(--radius);
}

.media__frame { position: relative; aspect-ratio: 16 / 9; overflow: hidden; }

.media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media--wide .media__frame { aspect-ratio: 21 / 9; }
.media--square .media__frame { aspect-ratio: 1 / 1; }
.media--tall .media__frame { aspect-ratio: 4 / 5; }

.media__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(11, 43, 38, 0) 42%, rgba(11, 43, 38, 0.6));
  pointer-events: none;
}

.media--diagonal .media__frame { clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%); }

.media__caption {
  margin-top: 10px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--silver);
}

/* 10. Breadcrumbs
   ========================================================================== */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--silver);
}

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

.breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  color: rgba(199, 208, 204, 0.45);
}

.breadcrumbs__link {
  color: var(--silver);
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.breadcrumbs__link:hover { color: var(--cyan); border-bottom-color: var(--cyan); }

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

.breadcrumbs--ink { color: #55635F; }
.breadcrumbs--ink .breadcrumbs__item + .breadcrumbs__item::before { color: rgba(16, 21, 20, 0.35); }
.breadcrumbs--ink .breadcrumbs__link { color: #55635F; }
.breadcrumbs--ink .breadcrumbs__link:hover { color: var(--danger); border-bottom-color: var(--danger); }
.breadcrumbs--ink .breadcrumbs__current { color: var(--charcoal); }

/* 11. Header — 紧凑命令栏
   ========================================================================== */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--orange);
  color: var(--charcoal);
  font-weight: 700;
  font-size: 14px;
  border-radius: var(--radius);
  transform: translateY(-180%);
  transition: transform var(--dur) var(--ease);
}

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

.site-header { position: sticky; top: 0; z-index: 60; }

.command-bar {
  position: relative;
  background: rgba(11, 43, 38, 0.94);
  border-bottom: 1px solid var(--hairline);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  backdrop-filter: blur(16px) saturate(1.2);
  transition: box-shadow var(--dur) var(--ease);
}

.site-header.is-scrolled .command-bar { box-shadow: 0 14px 34px rgba(0, 0, 0, 0.38); }

.command-bar__inner {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 30px);
  width: 100%;
  max-width: var(--max);
  min-height: 70px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

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

.brand__mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--orange), var(--orange-2));
  clip-path: polygon(0 0, 100% 0, 100% 68%, 68% 100%, 0 100%);
}

.brand__pulse {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
  box-shadow: 0 0 0 3px rgba(11, 43, 38, 0.35);
}

.brand__text { display: flex; flex-direction: column; line-height: 1.15; }

.brand__name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: 0.16em;
  color: var(--paper);
}

.brand__tagline {
  margin-top: 3px;
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--silver);
}

.command-nav { margin-left: auto; }

.command-nav__list { display: flex; align-items: center; gap: 2px; }

.command-nav__item { display: block; }

.command-nav__link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 7px;
  padding: 9px clamp(8px, 1vw, 14px);
  border-radius: var(--radius);
  color: var(--silver);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
              transform var(--dur) var(--ease);
}

.command-nav__index {
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: rgba(77, 240, 208, 0.62);
}

.command-nav__label { font-size: 14px; font-weight: 600; letter-spacing: 0.05em; }

.command-nav__link:hover {
  background: var(--glass);
  color: var(--paper);
  transform: translateY(-1px);
}

.command-nav__link[aria-current="page"] { background: var(--glass); color: var(--paper); }
.command-nav__link[aria-current="page"] .command-nav__index { color: var(--orange); }

.command-nav__link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: clamp(8px, 1vw, 14px);
  right: clamp(8px, 1vw, 14px);
  bottom: 2px;
  height: 2px;
  background: var(--orange);
}

.command-nav__utility { display: none; }

.command-bar__utility {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 0 0 auto;
}

.util-link {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--silver);
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.util-link:hover { color: var(--cyan); border-bottom-color: var(--cyan); }

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  padding: 9px 14px;
  background: var(--glass);
  border: 1px solid rgba(199, 208, 204, 0.26);
  border-radius: var(--radius);
  color: var(--paper);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
}

.nav-toggle__bars { display: grid; gap: 4px; width: 16px; }

.nav-toggle__bars span {
  display: block;
  height: 2px;
  background: var(--cyan);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.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); }

.status-strip {
  background: rgba(18, 59, 51, 0.86);
  border-top: 1px solid rgba(199, 208, 204, 0.1);
}

.status-strip__inner {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 7px var(--gutter);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--silver);
}

.status-strip__signal {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(77, 240, 208, 0.16);
}

.status-strip__text { color: var(--paper); }

.status-strip__meta {
  margin-left: auto;
  color: rgba(199, 208, 204, 0.6);
  white-space: nowrap;
}

.progress-rail {
  display: block;
  height: 2px;
  background: rgba(244, 241, 232, 0.08);
  overflow: hidden;
}

.progress-rail__fill {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
  transition: width 120ms linear;
}

/* 12. Footer — 堆叠面板
   ========================================================================== */
.site-footer {
  background: var(--ink);
  border-top: 1px solid var(--hairline);
  color: var(--silver);
}

.footer-panel { padding: clamp(48px, 7vw, 96px) 0 0; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, minmax(0, 1fr));
  gap: clamp(24px, 4vw, 56px);
  padding-bottom: clamp(32px, 4vw, 56px);
  border-bottom: 1px solid rgba(199, 208, 204, 0.12);
}

.footer-brand__name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 22px;
  letter-spacing: 0.18em;
  color: var(--paper);
}

.footer-brand__tagline {
  margin-top: 10px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange-2);
}

.footer-brand__note {
  margin-top: 14px;
  max-width: 34ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--silver);
}

.footer-brand .btn { margin-top: 22px; }

.footer-col__title {
  padding-bottom: 10px;
  margin-bottom: 14px;
  border-bottom: 1px solid rgba(199, 208, 204, 0.18);
  font-family: var(--font-data);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--paper);
}

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

.footer-col__link {
  display: inline-block;
  font-size: 14px;
  color: var(--silver);
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.footer-col__link:hover { color: var(--cyan); transform: translateX(5px); }

.footer-contact {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 40px);
  padding: clamp(26px, 3.4vw, 40px) 0;
  border-bottom: 1px solid rgba(199, 208, 204, 0.12);
}

.contact-item { display: flex; flex-direction: column; gap: 8px; }

.contact-item__label {
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(199, 208, 204, 0.68);
}

.contact-item__value {
  font-family: var(--font-data);
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

.contact-item__note { font-size: 12.5px; line-height: 1.7; color: var(--silver); }

.copy-btn {
  align-self: flex-start;
  padding: 5px 12px;
  background: var(--glass);
  border: 1px solid rgba(199, 208, 204, 0.26);
  border-radius: 999px;
  color: var(--silver);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
              background var(--dur) var(--ease);
}

.copy-btn:hover { color: var(--cyan); border-color: var(--cyan); background: rgba(77, 240, 208, 0.08); }

.copy-btn[data-state="done"] {
  color: var(--orange-2);
  border-color: var(--orange);
  background: rgba(255, 106, 19, 0.14);
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 22px;
  padding: 22px 0 34px;
  font-size: 12.5px;
  color: rgba(199, 208, 204, 0.75);
}

.footer-base__copy { font-family: var(--font-data); letter-spacing: 0.08em; }

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

.footer-base__link {
  color: rgba(199, 208, 204, 0.75);
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.footer-icp { font-family: var(--font-data); letter-spacing: 0.08em; color: rgba(199, 208, 204, 0.6); }

/* 13. Focus & motion
   ========================================================================== */
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: var(--radius);
}

html.motion-ready [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 420ms var(--ease), transform 420ms var(--ease);
}

html.motion-ready [data-reveal].is-revealed { opacity: 1; transform: none; }

/* 14. Responsive
   ========================================================================== */
@media (max-width: 1200px) {
  .brand__tagline { display: none; }
}

@media (max-width: 1119px) {
  .command-bar__utility { display: none; }
  .nav-toggle { display: inline-flex; }

  .command-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    display: none;
    max-height: calc(100vh - 110px);
    overflow-y: auto;
    margin-left: 0;
    padding: 12px var(--gutter) 22px;
    background: rgba(9, 34, 30, 0.985);
    border-bottom: 1px solid var(--hairline);
    box-shadow: 0 26px 50px rgba(0, 0, 0, 0.45);
  }

  .command-nav[data-open="true"] { display: block; }

  .command-nav__list { flex-direction: column; align-items: stretch; gap: 0; }

  .command-nav__link {
    padding: 14px 8px 14px 4px;
    border-bottom: 1px solid rgba(199, 208, 204, 0.08);
  }

  .command-nav__link:hover { transform: none; }

  .command-nav__link[aria-current="page"]::after {
    left: 0;
    right: auto;
    top: 8px;
    bottom: 8px;
    width: 3px;
    height: auto;
  }

  .command-nav__utility {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 20px;
  }

  .command-nav__utility .util-link {
    padding: 10px 4px;
    border-bottom: 1px solid rgba(199, 208, 204, 0.08);
  }

  .command-nav__utility .btn { align-self: flex-start; }
}

@media (max-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .col-4, .col-5, .col-6, .col-7, .col-8 { grid-column: span 12; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand { grid-column: span 2; }
}

@media (max-width: 760px) {
  :root { --gutter: 18px; }

  .grid--2, .grid--3 { grid-template-columns: minmax(0, 1fr); }
  .grid--auto { grid-template-columns: minmax(0, 1fr); }

  .stack--offset > *:nth-child(even) { margin-left: 0; }

  .index-list__item { grid-template-columns: auto minmax(0, 1fr); row-gap: 4px; }
  .index-list__meta { grid-column: 2; }

  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .footer-brand { grid-column: span 1; }
  .footer-contact { grid-template-columns: minmax(0, 1fr); }
  .footer-base { flex-direction: column; align-items: flex-start; gap: 10px; }
  .footer-base__links { margin-left: 0; }

  .status-strip__meta { display: none; }
}

@media (max-width: 420px) {
  .nav-toggle__text { display: none; }
  .brand__name { font-size: 16px; }
}

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

  html.motion-ready [data-reveal] { opacity: 1; transform: none; }
  .index-list__item:hover { transform: none; }
  .footer-col__link:hover { transform: none; }
}