/* ============================================================
   BSPORTS 中国站 — 共享样式 /assets/site.css
   夜间数据指挥长卷 · 深空黑 + 霓虹绿锚点
   ============================================================ */

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

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

body, h1, h2, h3, h4, h5, h6, p, ul, ol, li, figure, blockquote, dl, dd {
  margin: 0;
  padding: 0;
}

ul, ol { 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 { border-collapse: collapse; }

/* ---------- 2. Design tokens ---------- */
:root {
  --ink-black: #06080B;
  --graphite: #101520;
  --paper: #F2F5F7;
  --ink-on-paper: #0A0D12;
  --fog: #98A2AE;
  --neon: #3BFF9E;
  --volt: #3C8CFF;
  --amber: #FF7A2F;
  --deep-green: #0B2A1F;
  --hairline: #28313D;

  --text-body: #E7ECF2;
  --text-soft: #C9D3DE;
  --text-on-paper-soft: #4A5462;

  --stack-sans: "PingFang SC", "Source Han Sans SC", "Source Han Sans CN",
    "Noto Sans SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --stack-mono: ui-monospace, "JetBrains Mono", "IBM Plex Mono", "SFMono-Regular",
    Menlo, Consolas, "Courier New", monospace;

  --shell-max: 1280px;
  --gutter: clamp(1.1rem, 4vw, 3rem);
  --header-break: 900px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* ---------- 3. Base typography ---------- */
body {
  background-color: var(--ink-black);
  color: var(--text-body);
  font-family: var(--stack-sans);
  font-size: 17px;
  line-height: 1.8;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-weight: 300;
  line-height: 1.05;
}

:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- 4. Utilities ---------- */
.shell {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.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;
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -120px;
  z-index: 120;
  display: inline-block;
  padding: 0.6rem 1rem;
  background-color: var(--neon);
  color: var(--ink-black);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 2px;
  transition: top 0.2s var(--ease);
}

.skip-link:focus {
  top: 0.75rem;
}

/* ---------- 5. Buttons / chips / tags / labels ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.72rem 1.3rem;
  border: 1px solid var(--hairline);
  border-radius: 2px;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.2;
  transition: transform 0.25s var(--ease), background-color 0.25s var(--ease),
    border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.btn:hover { transform: translateY(-2px); }

.btn--primary {
  background-color: var(--neon);
  border-color: var(--neon);
  color: var(--ink-black);
  box-shadow: 0 0 0 1px rgba(59, 255, 158, 0.18), 0 10px 30px -14px rgba(59, 255, 158, 0.75);
}

.btn--primary:hover { background-color: #56ffae; }

.btn--ghost {
  background-color: transparent;
  color: var(--text-body);
  border-color: var(--hairline);
}

.btn--ghost:hover { border-color: var(--neon); color: var(--neon); }

.btn--amber {
  background-color: var(--amber);
  border-color: var(--amber);
  color: #140703;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.32rem 0.78rem;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--fog);
  white-space: nowrap;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease),
    border-color 0.2s var(--ease);
}

.chip:hover {
  background-color: var(--neon);
  border-color: var(--neon);
  color: var(--ink-black);
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--fog);
}

.tag--accent {
  border-color: rgba(59, 255, 158, 0.4);
  background-color: var(--deep-green);
  color: var(--neon);
}

.label {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--fog);
}

.label::before {
  content: "";
  width: 18px;
  height: 1px;
  background-color: var(--neon);
  flex: none;
}

.note {
  font-size: 0.78rem;
  line-height: 1.8;
  color: var(--fog);
}

.num {
  font-family: var(--stack-mono);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--amber);
}

/* ---------- 6. Header ---------- */
.site-header {
  position: relative;
  z-index: 60;
  background-color: var(--ink-black);
  background-image: radial-gradient(120% 90% at 88% -10%, rgba(60, 140, 255, 0.13), transparent 62%);
  color: var(--text-body);
  border-bottom: 1px solid var(--hairline);
}

.scroll-progress {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  height: 2px;
  z-index: 90;
  pointer-events: none;
  background-color: transparent;
}

.scroll-progress__bar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background-image: linear-gradient(90deg, var(--neon), var(--volt) 70%, var(--amber));
}

.status-band {
  background-color: #080B10;
  border-bottom: 1px solid var(--hairline);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
}

.status-band__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.25rem;
  min-height: 34px;
  padding-block: 0.35rem;
}

.status-band__live {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--neon);
  font-weight: 600;
}

.status-band__aside {
  color: var(--fog);
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--neon);
  flex: none;
  animation: bs-pulse 2.6s ease-out infinite;
}

@keyframes bs-pulse {
  0% { box-shadow: 0 0 0 0 rgba(59, 255, 158, 0.55); }
  70% { box-shadow: 0 0 0 9px rgba(59, 255, 158, 0); }
  100% { box-shadow: 0 0 0 0 rgba(59, 255, 158, 0); }
}

.header-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(1.5rem, 5vw, 5rem);
  align-items: start;
  padding-block: clamp(1.5rem, 3.2vw, 2.6rem) clamp(1.6rem, 3.6vw, 3rem);
}

.brand-block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.15rem;
  min-width: 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  flex: none;
  border: 1px solid var(--neon);
  background-color: var(--deep-green);
  color: var(--neon);
  font-family: var(--stack-mono);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  border-radius: 2px;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease);
}

.brand:hover .brand__mark {
  background-color: var(--neon);
  color: var(--ink-black);
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.brand__name {
  font-size: clamp(1.1rem, 2.1vw, 1.45rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
  color: #FFFFFF;
}

.brand__tagline {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--fog);
}

.quick-entries {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.brand-cta {
  align-self: flex-start;
}

/* ---------- 7. Navigation ---------- */
.site-nav {
  position: relative;
  justify-self: end;
  padding-top: 0.2rem;
}

.nav-kicker {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.6rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--fog);
}

.nav-kicker::before {
  content: "";
  width: 26px;
  height: 1px;
  background-color: var(--neon);
  flex: none;
}

.nav-list {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.1rem;
  margin-top: 0.85rem;
}

.nav-item { display: block; }

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.32rem 1.75rem 0.32rem 0;
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.5;
  transition: color 0.25s var(--ease);
}

.nav-link::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: 0.85rem;
  height: 1px;
  background-color: var(--hairline);
  transform: translateY(-50%);
  transition: width 0.28s var(--ease), background-color 0.28s var(--ease),
    box-shadow 0.28s var(--ease);
}

.nav-link:hover { color: #FFFFFF; }

.nav-link:hover::after {
  width: 1.35rem;
  background-color: var(--volt);
}

.nav-link[aria-current="page"] {
  color: #FFFFFF;
  font-weight: 700;
}

.nav-link[aria-current="page"]::after {
  width: 1.65rem;
  background-color: var(--neon);
  box-shadow: 0 0 10px rgba(59, 255, 158, 0.85);
}

.nav-link__num {
  font-family: var(--stack-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--fog);
}

.nav-link[aria-current="page"] .nav-link__num { color: var(--neon); }

.nav-link__text { white-space: nowrap; }

/* ---------- 8. Mobile nav toggle ---------- */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.65rem;
  padding: 0.58rem 0.9rem;
  border: 1px solid var(--hairline);
  border-radius: 2px;
  background-color: var(--graphite);
  color: var(--text-body);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  justify-self: end;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.nav-toggle:hover { border-color: var(--neon); color: var(--neon); }

.nav-toggle__icon {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 18px;
  flex: none;
}

.nav-toggle__bar {
  display: block;
  width: 18px;
  height: 1.5px;
  background-color: currentColor;
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}

.site-header[data-open] .nav-toggle {
  border-color: var(--neon);
  color: var(--neon);
}

.site-header[data-open] .nav-toggle__bar:first-child {
  transform: translateY(2.75px) rotate(45deg);
}

.site-header[data-open] .nav-toggle__bar:last-child {
  transform: translateY(-2.75px) rotate(-45deg);
}

.nav-toggle__label { white-space: nowrap; }

/* ---------- 9. Footer ---------- */
.site-footer {
  background-color: #080B10;
  background-image: linear-gradient(180deg, rgba(60, 140, 255, 0.07), transparent 40%);
  border-top: 1px solid var(--hairline);
  color: var(--text-body);
  padding-top: clamp(2.5rem, 5vw, 4rem);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: clamp(1.5rem, 3vw, 3rem);
  padding-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  max-width: 34ch;
}

.footer-brand__name {
  font-family: var(--stack-mono);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: #FFFFFF;
}

.footer-brand__name::before {
  content: "";
  display: block;
  width: 34px;
  height: 2px;
  margin-bottom: 0.9rem;
  background-color: var(--neon);
}

.footer-brand__desc {
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--fog);
}

.footer-brand__icp {
  font-family: var(--stack-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--volt);
}

.footer-col {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.footer-col__heading {
  margin-bottom: 1rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--fog);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.footer-links a {
  display: inline-block;
  font-size: 0.9rem;
  color: var(--text-soft);
  transition: color 0.2s var(--ease), transform 0.2s var(--ease);
}

.footer-links a:hover {
  color: var(--neon);
  transform: translateX(4px);
}

.footer-links a[aria-current="page"] {
  color: var(--neon);
  font-weight: 700;
}

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

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.contact-value {
  font-family: var(--stack-mono);
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-body);
  word-break: break-all;
}

.contact-address {
  display: block;
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--fog);
}

.footer-note {
  margin-top: 1.1rem;
  padding-left: 0.85rem;
  border-left: 2px solid var(--hairline);
  font-size: 0.76rem;
  line-height: 1.75;
  color: var(--fog);
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem 1.5rem;
  padding-block: 1.25rem;
  border-top: 1px solid var(--hairline);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--fog);
}

.footer-base__legal {
  font-family: var(--stack-mono);
  color: var(--fog);
}

/* ---------- 10. Section system ---------- */
.section {
  position: relative;
  padding-block: clamp(2.75rem, 6vw, 5.5rem);
  overflow: hidden;
}

.section--graphite { background-color: var(--graphite); }

.section--paper {
  background-color: var(--paper);
  color: var(--ink-on-paper);
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  max-width: 66ch;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.section-num {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--stack-mono);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--neon);
}

.section-num::after {
  content: "";
  flex: 1 1 auto;
  max-width: 130px;
  height: 1px;
  background-color: var(--hairline);
}

.section-title {
  font-size: clamp(2.2rem, 5.4vw, 4.4rem);
  font-weight: 250;
  line-height: 1.05;
  letter-spacing: -0.012em;
  color: #FFFFFF;
}

.section-lede {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--fog);
  max-width: 62ch;
}

.section--paper .section-title { color: var(--ink-on-paper); }
.section--paper .section-lede { color: var(--text-on-paper-soft); }
.section--paper .note,
.section--paper .label { color: var(--text-on-paper-soft); }
.section--paper .section-num { color: #0E7A50; }
.section--paper .section-num::after { background-color: #C9D3DE; }
.section--paper .card__title { color: var(--ink-on-paper); }
.section--paper .card__text { color: var(--text-on-paper-soft); }

/* ---------- 11. Grid ---------- */
.grid {
  display: grid;
  gap: clamp(1rem, 2.2vw, 1.75rem);
}

.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--split { grid-template-columns: minmax(0, 8fr) minmax(0, 5fr); }
.grid--split-alt { grid-template-columns: minmax(0, 5fr) minmax(0, 8fr); }

/* ---------- 12. Card ---------- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: clamp(1.1rem, 2.4vw, 1.75rem);
  background-color: var(--graphite);
  border: 1px solid var(--hairline);
  border-radius: 2px;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.card:hover {
  border-color: #3D4B5C;
  transform: translateY(-3px);
}

.card--accent {
  background-color: var(--deep-green);
  border-color: rgba(59, 255, 158, 0.35);
}

.card__label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--fog);
}

.card__label::before {
  content: "";
  width: 16px;
  height: 1px;
  background-color: var(--neon);
  flex: none;
}

.card__title {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.4;
  color: #FFFFFF;
}

.card__text {
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--fog);
}

.card__value {
  font-family: var(--stack-mono);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.1;
  color: var(--amber);
}

.card--accent .card__value { color: var(--neon); }

/* ---------- 13. Prose ---------- */
.prose {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 68ch;
  font-size: 1rem;
  line-height: 1.85;
  color: #DDE4EC;
}

.prose h3 {
  margin-top: 0.6rem;
  font-size: 1.28rem;
  font-weight: 700;
  line-height: 1.4;
  color: #FFFFFF;
}

.prose p { margin: 0; }

.prose a {
  color: var(--volt);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.prose a:hover { color: var(--neon); }

.prose ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-left: 1.15rem;
}

.prose ul li { position: relative; }

.prose ul li::before {
  content: "";
  position: absolute;
  left: -1.15rem;
  top: 0.85em;
  width: 7px;
  height: 1px;
  background-color: var(--neon);
}

.section--paper .prose { color: var(--ink-on-paper); }
.section--paper .prose h3 { color: var(--ink-on-paper); }

/* ---------- 14. Paper block (inverted) ---------- */
.paper-block {
  padding: clamp(1.5rem, 4vw, 3rem);
  background-color: var(--paper);
  color: var(--ink-on-paper);
  border: 1px solid #D3DAE2;
  border-radius: 2px;
}

.paper-block .note,
.paper-block .label,
.paper-block .section-lede { color: var(--text-on-paper-soft); }

/* ---------- 15. Data table ---------- */
.table-wrap {
  overflow-x: auto;
  background-color: var(--graphite);
  border: 1px solid var(--hairline);
  border-radius: 2px;
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  min-width: 540px;
  font-size: 0.88rem;
}

.data-table th,
.data-table td {
  padding: 0.72rem 0.95rem;
  text-align: left;
  border-bottom: 1px solid var(--hairline);
  vertical-align: top;
}

.data-table th {
  background-color: #0C111A;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--fog);
  white-space: nowrap;
}

.data-table td { color: #D7DEE7; }

.data-table td.num {
  font-family: var(--stack-mono);
  font-weight: 600;
  color: #FFFFFF;
}

.data-table tbody tr:hover { background-color: #131A26; }

.section--paper .table-wrap {
  background-color: #FFFFFF;
  border-color: #D3DAE2;
}

.section--paper .data-table th {
  background-color: #E7ECF2;
  color: var(--text-on-paper-soft);
}

.section--paper .data-table td {
  color: var(--ink-on-paper);
  border-bottom-color: #D3DAE2;
}

.section--paper .data-table tbody tr:hover { background-color: #EEF3F7; }

/* ---------- 16. Timeline ---------- */
.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding-left: 1.6rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45rem;
  bottom: 0.45rem;
  width: 1px;
  background-color: var(--hairline);
}

.timeline__item { position: relative; }

.timeline__item::before {
  content: "";
  position: absolute;
  left: -1.6rem;
  top: 0.62rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: var(--ink-black);
  border: 1px solid var(--neon);
  transform: translateX(-4px);
}

.timeline__time {
  font-family: var(--stack-mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--neon);
}

.timeline__title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: #FFFFFF;
}

.timeline__text {
  font-size: 0.88rem;
  line-height: 1.78;
  color: var(--fog);
}

.section--paper .timeline__title { color: var(--ink-on-paper); }
.section--paper .timeline__text { color: var(--text-on-paper-soft); }
.section--paper .timeline::before { background-color: #C9D3DE; }
.section--paper .timeline__item::before { background-color: var(--paper); }

/* ---------- 17. Media frame ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  background-color: var(--graphite);
  border: 1px solid var(--hairline);
  border-radius: 2px;
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.08);
}

.media-frame--wide { aspect-ratio: 16 / 9; }
.media-frame--tall { aspect-ratio: 3 / 4; }
.media-frame--square { aspect-ratio: 1 / 1; }

.media-frame__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 0.4rem 0.75rem;
  background-color: rgba(6, 8, 11, 0.84);
  border-top: 1px solid var(--hairline);
  border-right: 1px solid var(--hairline);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--fog);
}

/* ---------- 18. Breadcrumbs ---------- */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--fog);
}

.breadcrumbs a {
  color: var(--fog);
  transition: color 0.2s var(--ease);
}

.breadcrumbs a:hover { color: var(--neon); }

.breadcrumbs__sep {
  color: var(--hairline);
  user-select: none;
}

.breadcrumbs__current { color: var(--text-body); }

/* ---------- 19. Reveal ---------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.62s var(--ease), transform 0.62s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 20. Responsive ---------- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-col--contact { grid-column: 1 / -1; max-width: 48ch; }
}

@media (max-width: 900px) {
  .header-grid {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 1rem;
    align-items: start;
  }

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

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    display: none;
    padding: 1.25rem var(--gutter) 1.6rem;
    background-color: var(--graphite);
    border-top: 1px solid var(--hairline);
    border-bottom: 1px solid var(--hairline);
    box-shadow: 0 28px 56px -18px rgba(0, 0, 0, 0.85);
    max-height: 72vh;
    overflow-y: auto;
  }

  .site-header[data-open] .site-nav { display: block; }

  .nav-kicker {
    justify-content: flex-start;
  }

  .nav-list {
    align-items: stretch;
    gap: 0;
    margin-top: 0.9rem;
  }

  .nav-link {
    width: 100%;
    justify-content: flex-start;
    padding: 0.72rem 1.75rem 0.72rem 0;
    border-bottom: 1px solid var(--hairline);
    font-size: 1.05rem;
  }

  .nav-link::after { top: 50%; }

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

@media (max-width: 640px) {
  body { font-size: 16px; }

  .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 1.75rem; }

  .footer-col--contact { grid-column: auto; }

  .footer-base { flex-direction: column; align-items: flex-start; }

  .brand-cta { width: 100%; }
}

/* ---------- 21. 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;
    transition-delay: 0ms !important;
    scroll-behavior: auto !important;
  }

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

  .btn:hover,
  .card:hover,
  .footer-links a:hover { transform: none; }
}