/* =========================================================
   必博体育赛事 · 共享样式表 /assets/site.css
   夜间战术板体系：墨青连续画布 + 荧光标记
   ========================================================= */

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

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

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

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

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

button { font: inherit; color: inherit; background: none; border: 0; padding: 0; }

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

table { border-collapse: collapse; width: 100%; }

/* ---------- 2. Tokens ---------- */
:root {
  color-scheme: dark;

  --ink: #04161B;
  --panel: #0A2A32;
  --line: #16424C;
  --paper: #EDE3CC;
  --muted: #9AB0AC;
  --cyan: #25F0D2;
  --lava: #FF6B2C;
  --amber: #F2C14E;
  --violet: #101A2E;

  --font-head: "Barlow Condensed", "Oswald", "Noto Sans SC", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", "Roboto Mono", ui-monospace, monospace;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;

  --shell-w: 1280px;
  --gutter: clamp(18px, 4vw, 32px);

  --t-fast: 180ms;
  --t: 240ms;
  --t-slow: 320ms;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- 3. Base ---------- */
body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.8;
  letter-spacing: .01em;
  color: var(--paper);
  background:
    radial-gradient(1200px 620px at 14% -12%, rgba(37, 240, 210, .07), transparent 62%),
    radial-gradient(920px 520px at 92% 4%, rgba(255, 107, 44, .06), transparent 58%),
    var(--ink);
  -webkit-font-smoothing: antialiased;
}

/* 球场俯拍网格：固定底纹，只做氛围 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .6;
  background-image:
    repeating-linear-gradient(90deg, rgba(22, 66, 76, .55) 0 1px, transparent 1px 92px),
    repeating-linear-gradient(0deg, rgba(22, 66, 76, .4) 0 1px, transparent 1px 92px);
  -webkit-mask-image: radial-gradient(130% 95% at 50% -10%, #000 15%, transparent 78%);
  mask-image: radial-gradient(130% 95% at 50% -10%, #000 15%, transparent 78%);
}

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

#main-content {
  position: relative;
  z-index: 1;
  flex: 1 0 auto;
  display: block;
}
#main-content:focus { outline: none; }

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
  border-radius: 4px;
}

.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;
}

/* ---------- 4. Header ---------- */
.site-header {
  position: relative;
  z-index: 30;
}

.skip-link {
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 90;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--cyan);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .06em;
  white-space: nowrap;
  transition: top var(--t) var(--ease);
}
.skip-link:focus-visible { top: 12px; outline-offset: 4px; }

/* 居中刊头 */
.masthead {
  padding: clamp(20px, 4vw, 34px) var(--gutter) clamp(10px, 2vw, 16px);
  background: linear-gradient(180deg, rgba(10, 42, 50, .9), rgba(4, 22, 27, .55));
}

.masthead__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  max-width: var(--shell-w);
  margin: 0 auto;
  text-align: center;
}

.masthead__brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.masthead__latin {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .44em;
  text-indent: .44em;
  color: var(--muted);
}

.masthead__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(32px, 7.4vw, 64px);
  line-height: 1;
  letter-spacing: .16em;
  text-indent: .16em;
  color: var(--paper);
  transition: color var(--t) var(--ease);
}
.masthead__brand:hover .masthead__name { color: var(--cyan); }

.masthead__line {
  font-size: 12.5px;
  letter-spacing: .22em;
  text-indent: .22em;
  color: var(--muted);
}

/* 状态带 */
.status-strip {
  background: rgba(4, 22, 27, .72);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.status-strip__inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 22px;
  max-width: var(--shell-w);
  margin: 0 auto;
  padding: 9px var(--gutter);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
}

.status-strip__item {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
}
.status-strip__item--live { color: var(--cyan); }
.status-strip__item--muted { color: var(--muted); }

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(37, 240, 210, .16);
}

/* 导航开关（移动端） */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  padding: 7px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--paper);
  cursor: pointer;
  transition: border-color var(--t) var(--ease), color var(--t) var(--ease), background-color var(--t) var(--ease);
}
.nav-toggle:hover { border-color: var(--cyan); color: var(--cyan); }

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 16px;
  height: 10px;
  flex: none;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1.5px;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--t) var(--ease), top var(--t) var(--ease);
}
.nav-toggle__bars::before { top: 0; }
.nav-toggle__bars::after { top: 8px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { top: 4px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { top: 4px; transform: rotate(-45deg); }

/* 主导航 */
.site-nav {
  background: rgba(10, 42, 50, .58);
  border-bottom: 1px solid var(--line);
}

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 2px;
  max-width: var(--shell-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.site-nav__link {
  position: relative;
  display: block;
  padding: 15px 19px;
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: .09em;
  color: var(--muted);
  transition: color var(--t) var(--ease), background-color var(--t) var(--ease);
}
.site-nav__link::after {
  content: "";
  position: absolute;
  left: 19px;
  right: 19px;
  bottom: 9px;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--t) var(--ease);
}
.site-nav__link:hover { color: var(--paper); }
.site-nav__link:hover::after { transform: scaleX(1); }
.site-nav__link[aria-current="page"] {
  color: var(--cyan);
  font-weight: 700;
}
.site-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--cyan);
}

/* ---------- 5. Footer ---------- */
.site-footer {
  position: relative;
  z-index: 1;
  margin-top: auto;
  padding: clamp(44px, 6vw, 64px) 0 26px;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(10, 42, 50, .72), var(--ink) 72%);
  color: var(--muted);
}

.site-footer__inner {
  max-width: var(--shell-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.3fr .8fr 1.2fr;
  gap: clamp(26px, 4vw, 48px);
}

.site-footer__col { min-width: 0; }

.site-footer__brand {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(24px, 3vw, 30px);
  line-height: 1.1;
  letter-spacing: .14em;
  color: var(--paper);
}

.site-footer__tagline {
  margin: 10px 0 22px;
  max-width: 26ch;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.footer-heading {
  margin-bottom: 14px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--muted);
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-nav a {
  position: relative;
  display: inline-block;
  padding-left: 14px;
  font-size: 14.5px;
  color: var(--paper);
  transition: color var(--t) var(--ease);
}
.footer-nav a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 1px;
  background: var(--amber);
  opacity: .85;
  transition: width var(--t) var(--ease), background-color var(--t) var(--ease);
}
.footer-nav a:hover { color: var(--cyan); }
.footer-nav a:hover::before { width: 10px; background: var(--cyan); }

.footer-meta {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: .03em;
  color: var(--muted);
}
.footer-meta__key {
  display: inline-block;
  min-width: 44px;
  margin-right: 10px;
  color: var(--line);
}

.site-footer__base {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 26px;
  margin-top: clamp(34px, 5vw, 48px);
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--muted);
}
.site-footer__note { max-width: 62ch; }

/* ---------- 6. Layout utilities ---------- */
.shell {
  width: 100%;
  max-width: var(--shell-w);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(38px, 6vw, 72px); }
.section--tight { padding-block: clamp(22px, 3.5vw, 40px); }

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

.split {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}
.split--3-9 { grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); }
.split--7-5 { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }

.split__aside { min-width: 0; }
.split__main { min-width: 0; }

.rail {
  position: sticky;
  top: 24px;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-left: 1px solid var(--line);
  padding-left: 4px;
}
.rail__link {
  display: block;
  padding: 9px 12px;
  border-left: 2px solid transparent;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--muted);
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease), background-color var(--t) var(--ease);
}
.rail__link:hover { color: var(--paper); }
.rail__link.is-active {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: rgba(37, 240, 210, .06);
}

/* ---------- 7. Typography ---------- */
.h1 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(40px, 6.4vw, 64px);
  line-height: 1.02;
  letter-spacing: .01em;
}
.h2 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.08;
}
.h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 28px;
  line-height: 1.14;
}
.h4 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.22;
}

.lead {
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--paper);
  opacity: .86;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
  opacity: .75;
}
.eyebrow--lava { color: var(--lava); }
.eyebrow--amber { color: var(--amber); }

.label {
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--muted);
}

/* 等宽数字：全站数字锚点 */
.num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
  color: var(--paper);
  line-height: .9;
}
.num--xl { font-size: clamp(64px, 13vw, 160px); line-height: .84; }
.num--lg { font-size: clamp(40px, 7vw, 80px); line-height: .9; }
.num--md { font-size: 48px; line-height: .95; }

.num__unit {
  margin-left: .3em;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--muted);
}

/* ---------- 8. Components ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: .06em;
  cursor: pointer;
  transition: transform var(--t-fast) var(--ease), background-color var(--t) var(--ease), color var(--t) var(--ease), border-color var(--t) var(--ease);
}
.btn--primary { background: var(--cyan); color: var(--ink); }
.btn--primary:hover { background: #5cf6df; transform: translateY(-2px); }
.btn--lava { background: var(--lava); color: var(--ink); }
.btn--lava:hover { background: #ff8a56; transform: translateY(-2px); }
.btn--ghost { border-color: var(--line); color: var(--paper); }
.btn--ghost:hover { border-color: var(--cyan); color: var(--cyan); }

.btn__meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .06em;
  opacity: .72;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(10, 42, 50, .62);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}
.chip--cyan { color: var(--cyan); border-color: rgba(37, 240, 210, .45); }
.chip--lava { color: var(--lava); border-color: rgba(255, 107, 44, .45); }
.chip--amber { color: var(--amber); border-color: rgba(242, 193, 78, .45); }

.chip--toggle { cursor: pointer; transition: border-color var(--t) var(--ease), color var(--t) var(--ease), background-color var(--t) var(--ease); }
.chip--toggle:hover { border-color: var(--cyan); color: var(--cyan); }
.chip--toggle[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  font-weight: 700;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-block: 16px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-block: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}
.crumbs li { display: flex; align-items: center; gap: 10px; }
.crumbs li + li::before { content: "/"; color: var(--line); }
.crumbs a { color: var(--muted); transition: color var(--t) var(--ease); }
.crumbs a:hover { color: var(--cyan); }

.data-band {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(180px, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}
.data-band__cell {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 20px;
  background: var(--ink);
  scroll-snap-align: start;
}

.data-table { font-size: 14.5px; }
.data-table th,
.data-table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.data-table thead th {
  background: var(--panel);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .1em;
  color: var(--muted);
  white-space: nowrap;
}
.data-table tbody tr {
  transition: background-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.data-table tbody tr:hover {
  background: rgba(37, 240, 210, .06);
  box-shadow: inset 3px 0 0 var(--cyan);
}
.data-table .is-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.timeline {
  position: relative;
  padding-left: 26px;
  border-left: 1px solid var(--line);
}
.timeline__item {
  position: relative;
  padding-bottom: 26px;
}
.timeline__item::before {
  content: "";
  position: absolute;
  left: -30.5px;
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(242, 193, 78, .12);
}
.timeline__day {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

.note-band {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 32px;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--muted);
}
.note-band__key {
  margin-right: 8px;
  font-family: var(--font-mono);
  color: var(--line);
}
.note-band__val { color: var(--paper); }

.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  border-radius: 22px;
  background:
    repeating-linear-gradient(45deg, rgba(237, 227, 204, .05) 0 1px, transparent 1px 14px),
    repeating-linear-gradient(-45deg, rgba(237, 227, 204, .05) 0 1px, transparent 1px 14px),
    linear-gradient(150deg, var(--panel), var(--violet));
}
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(200deg, rgba(4, 22, 27, 0) 40%, rgba(16, 26, 46, .78) 100%);
}
.media-frame--tall { aspect-ratio: 4 / 5; }
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame__caption {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 14px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

/* 装饰纹理 */
.pitch-grid {
  background-image:
    repeating-linear-gradient(90deg, rgba(37, 240, 210, .05) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(37, 240, 210, .05) 0 1px, transparent 1px 72px);
}
.net-diagonal {
  background-image:
    repeating-linear-gradient(45deg, rgba(237, 227, 204, .05) 0 1px, transparent 1px 14px),
    repeating-linear-gradient(-45deg, rgba(237, 227, 204, .05) 0 1px, transparent 1px 14px);
}
.stand-lights {
  background-image:
    radial-gradient(circle at 12% 22%, rgba(242, 193, 78, .5) 0 1.5px, transparent 2px),
    radial-gradient(circle at 38% 62%, rgba(237, 227, 204, .4) 0 1.5px, transparent 2px),
    radial-gradient(circle at 72% 30%, rgba(37, 240, 210, .4) 0 1.5px, transparent 2px),
    radial-gradient(circle at 86% 78%, rgba(242, 193, 78, .35) 0 1.5px, transparent 2px);
  background-size: 220px 180px;
  background-repeat: repeat;
}

/* 展开组 */
.disclosure { border-top: 1px solid var(--line); }
.disclosure:last-of-type { border-bottom: 1px solid var(--line); }

.disclosure__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  padding: 20px 4px;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
  text-align: left;
  color: var(--paper);
  cursor: pointer;
  transition: color var(--t) var(--ease);
}
.disclosure__trigger:hover { color: var(--cyan); }

.disclosure__sign {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
  color: var(--cyan);
}
.disclosure__sign::before,
.disclosure__sign::after {
  content: "";
  position: absolute;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--t) var(--ease), opacity var(--t) var(--ease);
}
.disclosure__sign::before { left: 0; right: 0; top: 7px; height: 2px; }
.disclosure__sign::after { top: 0; bottom: 0; left: 7px; width: 2px; }
.disclosure__trigger[aria-expanded="true"] .disclosure__sign::after { transform: scaleY(0); opacity: 0; }

.disclosure__panel {
  overflow: hidden;
  height: 0;
  transition: height var(--t-slow) var(--ease);
}
.disclosure__inner {
  max-width: 70ch;
  padding: 0 4px 24px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* 显现与进度 */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 80;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--cyan), var(--amber) 60%, var(--lava));
  pointer-events: none;
}

/* ---------- 9. Responsive ---------- */
@media (max-width: 960px) {
  .split,
  .split--3-9,
  .split--7-5 { grid-template-columns: minmax(0, 1fr); }
  .rail { position: static; }
}

@media (max-width: 900px) {
  .site-footer__grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .site-footer__col:first-child { grid-column: 1 / -1; }
}

@media (max-width: 880px) {
  .nav-toggle { display: inline-flex; }

  .site-nav {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height var(--t-slow) var(--ease), opacity var(--t) var(--ease);
  }
  .site-nav[data-open="true"] {
    max-height: 70vh;
    overflow-y: auto;
    opacity: 1;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 6px var(--gutter) 18px;
  }
  .site-nav__link {
    padding: 16px 6px;
    border-bottom: 1px solid rgba(22, 66, 76, .7);
  }
  .site-nav__link::after { display: none; }
  .site-nav__link[aria-current="page"] {
    background: rgba(37, 240, 210, .1);
    color: var(--cyan);
  }
  .site-nav__link:last-child { border-bottom: 0; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .masthead__name { letter-spacing: .11em; text-indent: .11em; }
  .masthead__latin { letter-spacing: .3em; text-indent: .3em; }
  .masthead__line { letter-spacing: .14em; text-indent: .14em; }
  .status-strip__item--muted { display: none; }
  .data-band { grid-auto-columns: minmax(150px, 1fr); }
  .data-table th,
  .data-table td { padding: 11px 12px; }
  .data-table { font-size: 13.5px; }
  .data-table thead th { font-size: 11px; letter-spacing: .06em; }
}

@media (max-width: 560px) {
  .site-footer__grid { grid-template-columns: 1fr; }
  .btn { width: 100%; justify-content: center; }
}

/* ---------- 10. Motion & focus preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }

  .reveal { opacity: 1; transform: none; }
  .scroll-progress { background: var(--line); }
  .site-nav { transition: none; }
}