/* ==========================================================================
   BEPLAY看台 — /assets/site.css
   夜场记分牌 · 数据控制室 · 共享外壳样式
   ========================================================================== */

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, h4, h5, p, ul, ol, li, figure, blockquote, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
address { font-style: normal; }
table { border-collapse: collapse; border-spacing: 0; }
[hidden] { display: none; }
[data-filter-target][hidden] { display: none !important; }

/* ---------- tokens ---------- */
:root {
  --c-ink: #061C16;
  --c-coal: #0B0F10;
  --c-deep: #0E2E3C;
  --c-lime: #C8FF3D;
  --c-amber: #FFB340;
  --c-red: #FF3B4E;
  --c-steel: #7F9BB3;
  --c-mist: #E9F1EC;
  --c-gray: #6F7F78;
  --c-teal: #9BC9C2;

  --line: 1px solid rgba(233, 241, 236, 0.14);
  --line-strong: 1px solid rgba(233, 241, 236, 0.30);
  --line-lime: 1px solid rgba(200, 255, 61, 0.45);

  --font-display: "Arial Narrow", "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;

  --rail-w: 252px;
  --topbar-h: 64px;
  --gutter: clamp(16px, 4vw, 48px);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --shadow-brut: 6px 6px 0 rgba(0, 0, 0, 0.55);
}

/* ---------- base ---------- */
::selection { background: var(--c-lime); color: var(--c-ink); }
:focus-visible { outline: 2px solid var(--c-lime); outline-offset: 3px; }

body {
  min-height: 100vh;
  margin: 0;
  padding-left: var(--rail-w);
  background-color: var(--c-ink);
  color: var(--c-mist);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  letter-spacing: 0.01em;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    radial-gradient(900px 520px at 86% -10%, rgba(200, 255, 61, 0.10), transparent 62%),
    radial-gradient(760px 520px at 4% 108%, rgba(255, 179, 64, 0.08), transparent 60%),
    radial-gradient(700px 460px at 52% 46%, rgba(14, 46, 60, 0.60), transparent 72%),
    repeating-linear-gradient(to right, rgba(233, 241, 236, 0.038) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(to bottom, rgba(233, 241, 236, 0.032) 0 1px, transparent 1px 96px);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 0.96;
}

#main-content { position: relative; z-index: 1; }

/* ---------- skip link ---------- */
.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 200;
  padding: 0.7rem 1rem;
  transform: translateY(-180%);
  background: var(--c-lime);
  color: var(--c-ink);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  transition: transform 0.18s var(--ease);
}
.skip-link:focus { transform: translateY(0); }

/* ---------- header / side rail ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 80;
  display: flex;
  flex-direction: column;
  width: var(--rail-w);
  background: linear-gradient(180deg, var(--c-coal) 0%, #08110D 100%);
  border-right: var(--line);
}

.topbar { display: none; }

.rail {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  gap: 1.1rem;
  min-height: 0;
  padding: 22px 18px 18px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(200, 255, 61, 0.35) transparent;
}
.rail::-webkit-scrollbar { width: 6px; }
.rail::-webkit-scrollbar-thumb { background: rgba(200, 255, 61, 0.3); }

.rail__brand { padding-bottom: 1rem; border-bottom: var(--line); }

.brand { display: flex; align-items: center; gap: 0.7rem; }
.brand__mark {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  border: 1px solid var(--c-lime);
  background: rgba(200, 255, 61, 0.07);
  color: var(--c-lime);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.brand__text { display: grid; gap: 0.2rem; min-width: 0; }
.brand__name {
  font-family: var(--font-display);
  font-size: 1.12rem;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.01em;
}
.brand__tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  color: var(--c-gray);
  text-transform: uppercase;
}
.brand--bar .brand__mark { width: 34px; height: 34px; font-size: 0.7rem; }
.brand--bar .brand__name { font-size: 0.98rem; }
.brand--bar .brand__tag { display: none; }
.brand:hover .brand__mark { background: var(--c-lime); color: var(--c-ink); }

.rail-nav { display: grid; gap: 0.45rem; }

.nav-list { display: grid; gap: 2px; }
.nav-list__item { min-width: 0; }
.nav-link {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.6rem 0.7rem;
  border-left: 2px solid transparent;
  color: var(--c-steel);
  font-size: 0.86rem;
  line-height: 1.4;
  transition: color 0.16s, background-color 0.16s, border-color 0.16s, transform 0.16s var(--ease);
}
.nav-link__idx {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  color: var(--c-gray);
}
.nav-link:hover,
.nav-link:focus-visible {
  color: var(--c-mist);
  background: rgba(200, 255, 61, 0.07);
  border-left-color: var(--c-lime);
  transform: translateX(2px);
}
.nav-link[aria-current="page"] {
  color: var(--c-ink);
  background: var(--c-lime);
  border-left-color: var(--c-amber);
  font-weight: 600;
}
.nav-link[aria-current="page"] .nav-link__idx { color: rgba(6, 28, 22, 0.62); }

.rail__foot {
  display: grid;
  gap: 0.85rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: var(--line);
}
.rail-cta {
  display: block;
  padding: 0.72rem 1rem;
  background: var(--c-amber);
  color: var(--c-ink);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  transition: transform 0.16s var(--ease), background-color 0.16s, box-shadow 0.16s;
}
.rail-cta:hover {
  background: var(--c-lime);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-brut);
}
.rail__note {
  font-size: 0.68rem;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--c-gray);
  font-weight: 300;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.7rem;
  border: 1px solid rgba(233, 241, 236, 0.25);
  color: var(--c-mist);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.nav-toggle:hover { border-color: var(--c-lime); color: var(--c-lime); }
.nav-toggle__bars { display: grid; gap: 4px; width: 18px; }
.nav-toggle__bars span {
  display: block;
  height: 2px;
  background: var(--c-lime);
  transition: transform 0.2s var(--ease), opacity 0.2s;
}
.site-header[data-open] .nav-toggle__bars span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.site-header[data-open] .nav-toggle__bars span:nth-child(2) { opacity: 0; }
.site-header[data-open] .nav-toggle__bars span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.rail-scrim { display: none; }

.rail-progress {
  flex: 0 0 auto;
  height: 3px;
  background: rgba(233, 241, 236, 0.09);
  overflow: hidden;
}
.rail-progress__bar {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--c-lime), var(--c-amber));
  transition: width 0.12s linear;
}

body.is-nav-open { overflow: hidden; }

/* ---------- footer ---------- */
.site-footer {
  position: relative;
  z-index: 1;
  margin-top: clamp(48px, 7vw, 96px);
  padding: clamp(36px, 5vw, 64px) 0 clamp(20px, 3vw, 32px);
  background: linear-gradient(180deg, rgba(11, 15, 16, 0.55) 0%, var(--c-coal) 70%);
  border-top: var(--line-strong);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr) minmax(0, 1.2fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}
.footer-brand__name {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1;
  text-transform: uppercase;
}
.footer-brand__tag {
  margin-top: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-amber);
}
.footer-brand__note {
  margin-top: 1rem;
  max-width: 44ch;
  font-size: 0.82rem;
  line-height: 1.8;
  font-weight: 300;
  color: var(--c-gray);
}
.footer-col__title {
  margin-bottom: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-steel);
}
.footer-list { display: grid; gap: 0.55rem; }
.footer-list a {
  font-size: 0.9rem;
  color: var(--c-mist);
  border-bottom: 1px solid transparent;
  transition: color 0.16s, border-color 0.16s;
}
.footer-list a:hover,
.footer-list a:focus-visible { color: var(--c-lime); border-bottom-color: var(--c-lime); }
.footer-list--meta li {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--c-steel);
}
.footer-address {
  margin-top: 0.8rem;
  max-width: 36ch;
  font-size: 0.78rem;
  line-height: 1.75;
  font-weight: 300;
  color: var(--c-gray);
}
.footer-base {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.4rem;
  justify-content: space-between;
  align-items: center;
  margin-top: clamp(28px, 4vw, 48px);
  padding-top: clamp(16px, 2vw, 24px);
  border-top: var(--line);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--c-gray);
}
.footer-year { color: var(--c-steel); }

.to-top {
  position: fixed;
  right: clamp(12px, 3vw, 28px);
  bottom: clamp(12px, 3vw, 28px);
  z-index: 70;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(200, 255, 61, 0.5);
  background: rgba(6, 28, 22, 0.92);
  color: var(--c-lime);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease), background-color 0.2s;
}
.to-top.is-on { opacity: 1; pointer-events: auto; transform: none; }
.to-top:hover { background: var(--c-lime); color: var(--c-ink); }

/* ---------- layout primitives ---------- */
.wrap {
  width: 100%;
  max-width: 1300px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  position: relative;
  z-index: 1;
  padding-block: clamp(48px, 7vw, 96px);
}
.section--tight { padding-block: clamp(28px, 4vw, 48px); }
.section + .section { border-top: var(--line); }

.band {
  padding-block: clamp(20px, 3vw, 34px);
  border-block: var(--line);
  background: linear-gradient(90deg, rgba(14, 46, 60, 0.85) 0%, rgba(6, 28, 22, 0.35) 70%, rgba(255, 179, 64, 0.06) 100%);
}

.section-head { display: grid; gap: 0.75rem; margin-bottom: clamp(24px, 3vw, 40px); }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--c-lime);
}
.section-title {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  font-size: clamp(2.4rem, 7vw, 7rem);
  line-height: 0.92;
  letter-spacing: -0.02em;
  color: var(--c-mist);
}
.section-title--sm { font-size: clamp(1.6rem, 3.4vw, 3rem); line-height: 1; }
.lede {
  max-width: 62ch;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--c-teal);
}
.note {
  max-width: 72ch;
  font-size: 0.75rem;
  line-height: 1.65;
  font-weight: 300;
  letter-spacing: 0.02em;
  color: var(--c-gray);
}
.num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; color: var(--c-lime); }
.muted { color: var(--c-gray); }
.divider { height: 1px; margin-block: clamp(24px, 3vw, 40px); border: 0; background: rgba(233, 241, 236, 0.14); }

.grid { display: grid; gap: clamp(16px, 2.2vw, 28px); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--asym { grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); }

/* ---------- panel ---------- */
.panel {
  position: relative;
  padding: clamp(18px, 2.4vw, 30px);
  border: var(--line-strong);
  background: linear-gradient(160deg, rgba(14, 46, 60, 0.55) 0%, rgba(6, 28, 22, 0.2) 100%);
}
.panel::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 18px;
  height: 18px;
  border-right: 2px solid var(--c-lime);
  border-bottom: 2px solid var(--c-lime);
}
.panel--flush { padding: 0; }
.panel--accent { border-left: 3px solid var(--c-amber); }

/* ---------- buttons & tags ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.72em 1.15em;
  border: 1px solid rgba(233, 241, 236, 0.35);
  background: transparent;
  color: var(--c-mist);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: transform 0.16s var(--ease), background-color 0.16s, color 0.16s, border-color 0.16s, box-shadow 0.16s;
}
.btn:hover, .btn:focus-visible {
  background: rgba(233, 241, 236, 0.08);
  border-color: var(--c-mist);
  transform: translate(-2px, -2px);
}
.btn--lime { background: var(--c-lime); border-color: var(--c-lime); color: var(--c-ink); font-weight: 700; }
.btn--lime:hover, .btn--lime:focus-visible { background: var(--c-mist); border-color: var(--c-mist); box-shadow: var(--shadow-brut); }
.btn--amber { border-color: var(--c-amber); color: var(--c-amber); }
.btn--amber:hover, .btn--amber:focus-visible { background: rgba(255, 179, 64, 0.14); color: var(--c-amber); border-color: var(--c-amber); }
.btn--ghost { border-style: dashed; border-color: rgba(127, 155, 179, 0.6); color: var(--c-steel); }
.btn--ghost:hover, .btn--ghost:focus-visible { color: var(--c-mist); border-color: var(--c-mist); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.24em 0.6em;
  border: 1px solid rgba(233, 241, 236, 0.28);
  color: var(--c-steel);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.tag--lime { color: var(--c-lime); border-color: rgba(200, 255, 61, 0.5); background: rgba(200, 255, 61, 0.08); }
.tag--amber { color: var(--c-amber); border-color: rgba(255, 179, 64, 0.5); background: rgba(255, 179, 64, 0.1); }
.tag--steel { color: var(--c-steel); border-color: rgba(127, 155, 179, 0.4); background: rgba(127, 155, 179, 0.08); }
.tag--red {
  color: var(--c-red);
  border-color: rgba(255, 59, 78, 0.55);
  background: linear-gradient(90deg, rgba(255, 59, 78, 0.22), rgba(255, 59, 78, 0.06));
  animation: tag-pulse 2.4s ease-in-out infinite;
}
@keyframes tag-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 59, 78, 0.36); }
  50% { box-shadow: 0 0 0 7px rgba(255, 59, 78, 0); }
}

/* ---------- stats ---------- */
.stat { display: grid; gap: 0.4rem; padding-block: 0.5rem; }
.stat__value {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: clamp(3rem, 9vw, 9rem);
  line-height: 0.82;
  letter-spacing: -0.04em;
  color: var(--c-lime);
}
.stat__value--amber { color: var(--c-amber); }
.stat__value--steel { color: var(--c-steel); }
.stat__unit { margin-left: 0.25em; font-size: 0.4em; letter-spacing: 0.06em; color: var(--c-gray); }
.stat__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-gray);
}

/* ---------- table ---------- */
.table-wrap {
  overflow-x: auto;
  border: var(--line);
  background: rgba(11, 15, 16, 0.5);
}
.data-table { width: 100%; min-width: 560px; font-size: 0.88rem; }
.data-table th,
.data-table td {
  padding: 0.7rem 0.9rem;
  text-align: left;
  white-space: nowrap;
  border-bottom: var(--line);
}
.data-table thead th {
  position: sticky;
  top: 0;
  background: rgba(14, 46, 60, 0.94);
  color: var(--c-steel);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.data-table tbody tr:nth-child(even) { background: rgba(14, 46, 60, 0.35); }
.data-table tbody tr:hover { background: rgba(200, 255, 61, 0.07); }
.data-table td.is-num { font-family: var(--font-mono); color: var(--c-lime); }
.data-table caption {
  padding: 0.8rem 0.9rem;
  text-align: left;
  font-size: 0.72rem;
  color: var(--c-gray);
}

/* ---------- breadcrumbs ---------- */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding-block: clamp(14px, 2vw, 22px);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-gray);
}
.crumbs li { display: flex; align-items: center; gap: 0.5rem; }
.crumbs li + li::before { content: "/"; color: rgba(233, 241, 236, 0.25); }
.crumbs a { color: var(--c-steel); border-bottom: 1px solid transparent; }
.crumbs a:hover, .crumbs a:focus-visible { color: var(--c-lime); border-bottom-color: var(--c-lime); }

/* ---------- media ---------- */
.media { display: block; }
.media__frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: var(--line-strong);
  background-color: #0A1A15;
  background-image:
    linear-gradient(140deg, rgba(14, 46, 60, 0.9), rgba(6, 28, 22, 0.85)),
    repeating-linear-gradient(to right, rgba(233, 241, 236, 0.06) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(to bottom, rgba(233, 241, 236, 0.05) 0 1px, transparent 1px 32px);
}
.media__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(6, 28, 22, 0) 45%, rgba(6, 28, 22, 0.72) 100%);
}
.media__img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.92) contrast(1.06); }
.media__cap {
  margin-top: 0.6rem;
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: 0.04em;
  color: var(--c-gray);
}
.media--wide .media__frame { aspect-ratio: 21 / 9; }
.media--tall .media__frame { aspect-ratio: 3 / 4; }
.media--square .media__frame { aspect-ratio: 1 / 1; }

/* ---------- filter ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding-block: 1rem;
  border-block: var(--line);
}
.filter-btn {
  padding: 0.5em 0.9em;
  border: 1px solid rgba(233, 241, 236, 0.22);
  color: var(--c-steel);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: color 0.16s, border-color 0.16s, background-color 0.16s, transform 0.16s var(--ease);
}
.filter-btn:hover { color: var(--c-mist); border-color: var(--c-mist); transform: translateY(-1px); }
.filter-btn[aria-pressed="true"] { background: var(--c-lime); border-color: var(--c-lime); color: var(--c-ink); font-weight: 700; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.5s var(--ease), transform 0.5s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .grid--2, .grid--3, .grid--asym { grid-template-columns: minmax(0, 1fr); }
}

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

  .site-header {
    right: 0;
    bottom: auto;
    width: 100%;
    height: var(--topbar-h);
    background: rgba(11, 15, 16, 0.94);
    border-right: 0;
    border-bottom: var(--line);
    backdrop-filter: blur(10px);
  }

  .topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    height: var(--topbar-h);
    padding: 0 16px;
  }

  .rail {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 90;
    width: min(320px, 86vw);
    height: 100vh;
    padding: 22px 18px 28px;
    background: linear-gradient(180deg, var(--c-coal) 0%, #08110D 100%);
    border-right: var(--line-strong);
    box-shadow: 18px 0 48px rgba(0, 0, 0, 0.6);
    transform: translateX(-102%);
    visibility: hidden;
    transition: transform 0.24s var(--ease), visibility 0.24s var(--ease);
  }
  .site-header[data-open] .rail { transform: none; visibility: visible; }

  .rail-scrim {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 85;
    background: rgba(6, 28, 22, 0.72);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s var(--ease);
  }
  .site-header[data-open] .rail-scrim { opacity: 1; pointer-events: auto; }

  .rail-progress { display: none; }
  .rail__brand { padding-bottom: 0.9rem; }
}

@media (max-width: 640px) {
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .footer-base { flex-direction: column; align-items: flex-start; }
  .stat__value { font-size: clamp(2.6rem, 14vw, 4.6rem); }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}