/* ============================================================
   云体育入口 / 夜间赛场指挥中心 / 共享样式表 /assets/site.css
   reset · 变量 · 中文排版 · 命令栏头部 · 页脚 · 通用组件
   ============================================================ */

/* ---------- 1. reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, h4, h5, p, figure, blockquote, dl, dd, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, video, canvas { display: block; max-width: 100%; height: auto; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
table { width: 100%; border-collapse: collapse; }

/* ---------- 2. tokens ---------- */
:root {
  --night: #0B1220;
  --midnight: #050A13;
  --ink: #16203A;
  --cyan: #37E1E8;
  --cyan-deep: #0E8F99;
  --orange: #FF8A3D;
  --sichuan: #C8102E;
  --paper: #F3ECDF;
  --brown: #241C16;
  --mist: #9FB0C8;
  --metal: #3A4761;
  --bright: #EAF3FF;

  --rail-w: 240px;
  --gutter: clamp(18px, 4vw, 48px);
  --measure: 1240px;

  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --font-serif: Georgia, "Songti SC", "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;

  --line: 1px solid var(--metal);
  --glass: rgba(22, 32, 58, .62);
  --ease: 160ms ease;
  --focus: 2px solid var(--cyan);
}

/* ---------- 3. base ---------- */
body {
  min-height: 100vh;
  padding-left: var(--rail-w);
  font-family: var(--font-sans);
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--mist);
  background-color: var(--night);
  background-image:
    linear-gradient(to right, rgba(58, 71, 97, .14) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(58, 71, 97, .14) 1px, transparent 1px),
    radial-gradient(1100px 620px at 88% -8%, rgba(55, 225, 232, .10), transparent 62%),
    radial-gradient(900px 520px at -6% 104%, rgba(200, 16, 46, .12), transparent 66%);
  background-size: 72px 72px, 72px 72px, auto, auto;
  background-attachment: fixed;
}

h1, h2, h3, h4 { color: var(--bright); font-weight: 700; line-height: 1.2; letter-spacing: -.01em; }
p { text-wrap: pretty; }

/* ---------- 4. a11y ---------- */
:focus-visible { outline: var(--focus); outline-offset: 3px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px;
  padding: 0; border: 0; overflow: hidden; white-space: nowrap;
  clip-path: inset(50%);
}

.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 200;
  padding: 11px 16px;
  background: var(--cyan); color: #04121A;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em;
  transform: translateY(-200%);
  transition: transform var(--ease);
}
.skip-link:focus { transform: translateY(0); }
.skip-link:focus-visible { outline-offset: 0; }

/* ---------- 5. layout ---------- */
.wrap {
  width: 100%;
  max-width: var(--measure);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(40px, 6vw, 84px); }
.section--tight { padding-block: clamp(22px, 4vw, 46px); }

.band {
  background: var(--midnight);
  border-top: var(--line);
  border-bottom: var(--line);
  padding-block: clamp(20px, 3vw, 34px);
}

.section__head {
  display: flex; flex-wrap: wrap; gap: 12px 28px;
  align-items: baseline; justify-content: space-between;
  padding-bottom: 14px; margin-bottom: clamp(20px, 3vw, 34px);
  border-bottom: var(--line);
}

.grid { display: grid; gap: clamp(16px, 2.4vw, 28px); }
.grid--7-5 { grid-template-columns: 7fr 5fr; }
.grid--8-4 { grid-template-columns: 8fr 4fr; }
.grid--rail { grid-template-columns: minmax(0, 1fr) minmax(0, 330px); }
.grid--cards { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }

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

/* ---------- 6. typography ---------- */
.label {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em;
  text-transform: uppercase; color: var(--cyan);
}
.label--warm { color: var(--orange); }

.title-xl {
  font-size: clamp(40px, 7.4vw, 104px);
  line-height: .96; letter-spacing: -.02em; font-weight: 800;
  color: var(--bright);
}
.title-lg { font-size: clamp(27px, 3.8vw, 40px); line-height: 1.1; letter-spacing: -.02em; }
.title-md { font-size: clamp(19px, 2.2vw, 24px); line-height: 1.3; }
.title-sm { font-size: 16px; line-height: 1.35; color: var(--bright); }

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
}
.serif { font-family: var(--font-serif); letter-spacing: 0; }
.lede { font-size: clamp(15px, 1.5vw, 17px); line-height: 1.8; color: var(--mist); max-width: 62ch; }

/* ---------- 7. buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 10px 18px;
  border: 1px solid var(--metal);
  color: var(--bright);
  background: transparent;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em;
  transition: background var(--ease), border-color var(--ease), color var(--ease), transform var(--ease);
}
.btn:hover { border-color: var(--cyan); color: var(--cyan); transform: translateY(-2px); }
.btn--primary { background: var(--orange); border-color: var(--orange); color: #1A0E04; }
.btn--primary:hover { background: #FFA362; border-color: #FFA362; color: #1A0E04; }
.btn--ghost { border-color: var(--cyan-deep); color: var(--cyan); }
.btn--ghost:hover { border-color: var(--cyan); }
.btn--quiet { border-color: transparent; color: var(--mist); }
.btn--quiet:hover { color: var(--cyan); }

/* ---------- 8. header / command rail ---------- */
.site-header {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--rail-w);
  z-index: 60;
  background: linear-gradient(180deg, #050A13 0%, #070E1C 55%, #050A13 100%);
  border-right: var(--line);
}

.rail {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 22px 16px 20px;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.rail-progress {
  position: absolute; top: 0; right: 0; bottom: 0; width: 2px;
  background: rgba(58, 71, 97, .5);
  pointer-events: none;
}
.rail-progress__bar {
  display: block; width: 100%; height: var(--progress, 0%);
  background: linear-gradient(180deg, var(--cyan), var(--orange));
}

.rail__top {
  display: flex; align-items: center; gap: 10px;
}

.brand {
  display: flex; align-items: center; gap: 10px;
  flex: 1 1 auto; min-width: 0;
  padding: 2px 2px 16px;
  border-bottom: var(--line);
}
.brand__seal {
  display: grid; place-items: center;
  width: 34px; height: 34px; flex: none;
  background: var(--sichuan); color: #fff;
  font-family: var(--font-serif); font-size: 18px; font-weight: 700;
}
.brand__text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.brand__name { color: var(--bright); font-size: 15px; font-weight: 700; letter-spacing: .02em; }
.brand__sub {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .14em;
  color: var(--cyan-deep); text-transform: uppercase;
}

.nav-toggle {
  display: none;
  align-items: center; gap: 8px;
  min-height: 44px; padding: 0 12px;
  border: 1px solid var(--metal);
  color: var(--bright);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em;
}
.nav-toggle__bars { display: inline-flex; flex-direction: column; gap: 3px; width: 14px; }
.nav-toggle__bars i { display: block; height: 1.5px; background: currentColor; transition: transform var(--ease); }
[data-site-header][data-open] .nav-toggle__bars i:nth-child(1) { transform: translateY(4.5px) rotate(45deg); }
[data-site-header][data-open] .nav-toggle__bars i:nth-child(2) { opacity: 0; }
[data-site-header][data-open] .nav-toggle__bars i:nth-child(3) { transform: translateY(-4.5px) rotate(-45deg); }

.site-nav {
  display: flex; flex-direction: column; gap: 10px;
  flex: 1 1 auto; min-height: 0;
}
.site-nav__label {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .16em;
  color: var(--cyan-deep);
}
.site-nav__list { display: flex; flex-direction: column; gap: 6px; }
.site-nav__item { display: block; }

.nav-link {
  display: flex; align-items: center; gap: 10px;
  min-height: 44px; padding: 8px 10px;
  border: 1px solid transparent;
  color: var(--mist);
  transition: background var(--ease), border-color var(--ease), color var(--ease), transform var(--ease);
}
.nav-link__num { font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; color: var(--cyan-deep); }
.nav-link__text { font-size: 14.5px; font-weight: 600; letter-spacing: .02em; color: var(--bright); }
.nav-link:hover { background: rgba(55, 225, 232, .08); border-color: rgba(55, 225, 232, .35); transform: translateX(2px); }
.nav-link:hover .nav-link__num { color: var(--cyan); }
.nav-link[aria-current="page"] { background: var(--ink); border-color: var(--cyan); }
.nav-link[aria-current="page"] .nav-link__num { color: var(--orange); }
.nav-link.is-keyed { background: rgba(255, 138, 61, .14); border-color: var(--orange); }
.nav-link.is-keyed .nav-link__num { color: var(--orange); }

.rail__dock {
  display: flex; flex-direction: column; gap: 12px;
  padding-top: 16px;
  border-top: var(--line);
}
.rail__dock-title { font-family: var(--font-mono); font-size: 10px; letter-spacing: .16em; color: var(--cyan-deep); }
.entry-lights { display: flex; flex-direction: column; gap: 9px; }
.entry-light { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--mist); }
.entry-light__dot {
  width: 7px; height: 7px; flex: none; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 0 3px rgba(55, 225, 232, .16);
}
.entry-light__dot--warm { background: var(--orange); box-shadow: 0 0 0 3px rgba(255, 138, 61, .16); }
.entry-light__text { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.entry-light__state {
  flex: none;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .08em; line-height: 16px;
  color: var(--cyan-deep); border: 1px solid var(--metal); padding: 0 5px;
}
.rail__dock-actions { display: flex; flex-direction: column; gap: 8px; }
.rail__cta { width: 100%; }
.rail__support {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 0 10px;
  border: 1px dashed var(--metal);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; color: var(--mist);
  transition: color var(--ease), border-color var(--ease);
}
.rail__support:hover { color: var(--cyan); border-color: var(--cyan-deep); }

/* ---------- 9. footer ---------- */
.site-footer {
  margin-top: clamp(48px, 7vw, 96px);
  background: linear-gradient(180deg, #050A13, #03070F);
  border-top: var(--line);
  color: var(--mist);
}

.adapt-band {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 26px;
  padding: 14px var(--gutter);
  background: rgba(22, 32, 58, .5);
  border-bottom: 1px dashed var(--metal);
}
.adapt-band__title {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em;
  color: var(--cyan); flex: none;
}
.adapt-band__list { display: flex; flex-wrap: wrap; gap: 6px 22px; }
.adapt-band__item { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--mist); }
.adapt-band__item::before { content: ""; width: 5px; height: 5px; flex: none; background: var(--cyan-deep); }

.footer-grid {
  max-width: var(--measure);
  margin-inline: auto;
  padding: clamp(30px, 5vw, 62px) var(--gutter) clamp(22px, 4vw, 40px);
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.3fr 1fr;
  gap: clamp(22px, 3.6vw, 54px);
}

.footer-col { min-width: 0; }
.footer-brand__mark {
  display: inline-grid; place-items: center;
  width: 30px; height: 30px;
  background: var(--sichuan); color: #fff;
  font-family: var(--font-serif); font-size: 16px;
}
.footer-brand__name { margin-top: 12px; color: var(--bright); font-size: 16px; font-weight: 700; }
.footer-brand__note { margin-top: 8px; font-size: 13.5px; line-height: 1.7; max-width: 26ch; }

.footer-col__title {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em;
  color: var(--cyan-deep);
  padding-bottom: 10px; margin-bottom: 12px;
  border-bottom: var(--line);
}
.footer-list { display: flex; flex-direction: column; gap: 9px; }
.footer-list--plain .footer-list__item { color: var(--mist); }
.footer-list__item { font-size: 13.5px; line-height: 1.7; }
.footer-link {
  color: var(--mist);
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}
.footer-link:hover { color: var(--cyan); border-bottom-color: var(--cyan); }
.footer-static { font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em; color: var(--bright); }

.footer-base {
  max-width: var(--measure);
  margin-inline: auto;
  padding: 16px var(--gutter) 30px;
  border-top: var(--line);
  display: flex; flex-wrap: wrap; gap: 8px 26px; justify-content: space-between;
}
.footer-base__line { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .06em; color: var(--mist); }
.footer-base__line--dim { color: #6E7F99; }

/* ---------- 10. components ---------- */
.card {
  position: relative;
  background: var(--ink);
  border: 1px solid var(--metal);
  padding: clamp(16px, 2.2vw, 24px);
  transition: transform var(--ease), border-color var(--ease), background var(--ease);
}
.card:hover { transform: translateY(-2px); border-color: var(--cyan-deep); background: #18233F; }
.card--offset { margin-inline-start: calc(-1 * clamp(0px, 2.6vw, 36px)); }

.panel { background: var(--ink); border: 1px solid var(--metal); padding: clamp(16px, 2.2vw, 24px); }
.panel--flush { padding: 0; }

.glass {
  background: var(--glass);
  border: 1px solid rgba(55, 225, 232, .28);
  backdrop-filter: blur(10px);
  padding: clamp(14px, 2vw, 20px);
}

.paper {
  background: var(--paper);
  color: var(--brown);
  border: 1px solid #DCD0BB;
  padding: clamp(18px, 3vw, 36px);
}
.paper h1, .paper h2, .paper h3,
.paper .title-lg, .paper .title-md, .paper .title-sm {
  color: var(--brown);
  font-family: var(--font-serif);
  letter-spacing: 0;
}
.paper .label { color: var(--sichuan); }

.stat { display: flex; flex-direction: column; gap: 6px; border-left: 2px solid var(--cyan); padding-left: 14px; }
.stat--warm { border-left-color: var(--orange); }
.stat--brand { border-left-color: var(--sichuan); }
.stat__value {
  font-family: var(--font-mono); font-variant-numeric: tabular-nums;
  font-size: clamp(30px, 4.6vw, 64px); line-height: 1;
  letter-spacing: -.02em; color: var(--bright);
}
.stat__label { font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em; color: var(--mist); }
.stat__value.is-updated { color: var(--cyan); }

.status {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 3px 9px;
  border: 1px solid var(--metal);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em;
  color: var(--mist);
}
.status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.status--live { color: var(--cyan); border-color: rgba(55, 225, 232, .5); }
.status--warn { color: var(--orange); border-color: rgba(255, 138, 61, .5); }
.status--idle { color: #6E7F99; }
.status--brand { color: #FF6B85; border-color: rgba(200, 16, 46, .6); }

.tag {
  display: inline-flex; align-items: center;
  padding: 2px 9px;
  border: 1px dashed var(--metal);
  font-size: 12px; letter-spacing: .02em; color: var(--mist);
}

.data-table { width: 100%; font-size: 14px; }
.data-table th, .data-table td { padding: 11px 12px; border-bottom: 1px solid var(--metal); text-align: left; }
.data-table th {
  font-family: var(--font-mono); font-size: 11px; font-weight: 400;
  letter-spacing: .12em; color: var(--cyan-deep);
}
.data-table td { color: var(--bright); }
.data-table tbody tr { transition: background var(--ease); }
.data-table tbody tr:hover { background: rgba(55, 225, 232, .06); }

.breadcrumbs { padding-top: 18px; }
.breadcrumbs__list {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; color: var(--mist);
}
.breadcrumbs__item { display: inline-flex; align-items: center; gap: 8px; }
.breadcrumbs__item + .breadcrumbs__item::before { content: "/"; color: var(--metal); }
.breadcrumbs__link { transition: color var(--ease); }
.breadcrumbs__link:hover { color: var(--cyan); }
.breadcrumbs__current { color: var(--bright); }

.media-frame {
  position: relative; overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--metal);
  background: linear-gradient(140deg, #16203A, #050A13);
}
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 4 / 5; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame img { width: 100%; height: 100%; object-fit: cover; }
.media-frame__caption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 10px 14px;
  background: linear-gradient(0deg, rgba(5, 10, 19, .94), transparent);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; color: var(--mist);
}

.prose { max-width: 68ch; font-size: 16.5px; line-height: 1.8; color: var(--mist); }
.prose > * + * { margin-top: 1.2em; }
.prose h2 { font-size: 24px; }
.prose h3 { font-size: 18px; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li + li { margin-top: .5em; }
.prose strong { color: var(--bright); }
.prose a { color: var(--cyan); border-bottom: 1px solid var(--cyan-deep); }
.prose--paper { background: var(--paper); color: var(--brown); padding: clamp(20px, 3vw, 40px); }
.prose--paper h2, .prose--paper h3, .prose--paper strong { color: var(--brown); font-family: var(--font-serif); }
.prose--paper a { color: var(--sichuan); border-bottom-color: var(--sichuan); }

.slant-cut { clip-path: polygon(0 0, 100% 3%, 100% 100%, 0 97%); }

html.has-js [data-reveal] { opacity: 0; transform: translateY(10px); transition: opacity 240ms ease, transform 240ms ease; }
html.has-js [data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- 11. responsive ---------- */
@media (max-width: 1080px) {
  :root { --rail-w: 88px; }
  .rail { padding: 20px 12px; gap: 18px; }
  .brand { justify-content: center; padding-bottom: 14px; }
  .brand__text,
  .site-nav__label,
  .nav-link__text,
  .rail__dock-title,
  .entry-light__text,
  .entry-light__state { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
  .nav-link { justify-content: center; padding: 8px 6px; }
  .nav-link__num { font-size: 12px; }
  .entry-light { justify-content: center; }
  .rail__dock-actions { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  :root { --rail-w: 0px; }
  body { padding-left: 0; padding-bottom: calc(112px + env(safe-area-inset-bottom, 0px)); }

  .site-header {
    inset: auto 0 0 0;
    width: 100%;
    border-right: 0;
    border-top: var(--line);
    background: #050A13;
  }

  .rail {
    height: auto;
    flex-direction: column;
    gap: 8px;
    padding: 10px 14px calc(10px + env(safe-area-inset-bottom, 0px));
    overflow: visible;
  }

  .rail-progress { top: 0; left: 0; right: 0; bottom: auto; width: auto; height: 2px; }
  .rail-progress__bar { width: var(--progress, 0%); height: 100%; }

  .rail__top { width: 100%; }
  .brand { border-bottom: 0; padding: 0; justify-content: flex-start; }
  .brand__text { position: static; width: auto; height: auto; clip-path: none; overflow: visible; }
  .brand__sub { display: none; }
  .brand__name { font-size: 13.5px; }
  .nav-toggle { display: inline-flex; flex: none; }

  .site-nav {
    position: absolute; left: 0; right: 0; bottom: 100%;
    display: grid; grid-template-columns: 1fr;
    gap: 10px;
    max-height: min(72vh, 520px);
    overflow-y: auto;
    padding: 16px 14px;
    background: linear-gradient(180deg, #070E1C, #050A13);
    border-top: var(--line);
    border-bottom: var(--line);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 120ms ease, transform 120ms ease, visibility 120ms;
  }
  [data-site-header][data-open] .site-nav,
  .site-nav[data-open] { opacity: 1; visibility: visible; transform: none; }

  .site-nav__label { position: static; width: auto; height: auto; clip-path: none; overflow: visible; }
  .site-nav__list { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .nav-link { justify-content: flex-start; border: 1px solid var(--metal); }
  .nav-link__text { position: static; width: auto; height: auto; clip-path: none; overflow: visible; white-space: normal; }

  .rail__dock {
    width: 100%;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding-top: 0;
    border-top: 0;
    overflow-x: auto;
    scrollbar-width: none;
  }
  .rail__dock::-webkit-scrollbar { display: none; }
  .rail__dock-title { display: none; }
  .entry-lights { flex-direction: row; gap: 14px; }
  .entry-light { font-size: 11.5px; white-space: nowrap; }
  .entry-light__text { position: static; width: auto; height: auto; clip-path: none; overflow: visible; }
  .entry-light__state { display: none; }
  .rail__dock-actions { flex-direction: row; }
  .rail__cta { display: none; }
  .rail__support { white-space: nowrap; flex: none; }

  .grid--7-5, .grid--8-4, .grid--rail { grid-template-columns: 1fr; }
  .card--offset { margin-inline-start: 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-base { flex-direction: column; }
}

@media (max-width: 560px) {
  .site-nav__list { grid-template-columns: 1fr; }
  .title-xl { font-size: clamp(34px, 12vw, 56px); }
  .brand__seal { width: 30px; height: 30px; font-size: 16px; }
}

/* ---------- 12. motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  html.has-js [data-reveal] { opacity: 1; transform: none; transition: none; }
  .card:hover, .btn:hover, .nav-link:hover { transform: none; }
}