/* ============================================================
   博万体育赛事 · /assets/site.css
   共享外壳：控制台头部 + 三层账本页脚 + 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, ul, ol, dl, dt, dd, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; }
a { color: inherit; }

/* 2. Tokens */
:root {
  --deep: #071F19;
  --char: #111513;
  --indigo: #24152E;
  --wine: #3A1520;
  --lime: #C8FF3D;
  --orange: #FF7A2F;
  --paper: #F4F1E8;
  --sand: #E8DFCF;
  --steel: #8E9890;
  --teal: #2FD3B0;
  --void: #0A0D0B;

  --line: rgba(244, 241, 232, 0.14);
  --line-strong: rgba(244, 241, 232, 0.32);
  --ink-on-lime: #08170F;

  --font-display: "Oswald", "Barlow Condensed", "Arial Narrow", "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --font-editorial: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", Georgia, serif;
  --font-body: "Inter", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", "JetBrains Mono", "SFMono-Regular", Consolas, "Courier New", monospace;

  --shell: 1240px;
  --gutter: clamp(16px, 4vw, 44px);
  --gap: clamp(16px, 2.4vw, 32px);
  --dur: 0.24s;
}

/* 3. Base typography */
body {
  min-height: 100vh;
  background-color: var(--deep);
  background-image:
    linear-gradient(to right, rgba(244, 241, 232, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(244, 241, 232, 0.035) 1px, transparent 1px);
  background-size: 96px 96px;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.01em;
  text-wrap: balance;
}

p { text-wrap: pretty; }

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

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

#main-content { display: block; scroll-margin-top: 96px; }

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

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

.mono {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
}

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(200, 255, 61, 0.45);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lime);
  text-decoration: none;
  transition: color var(--dur) ease, border-color var(--dur) ease;
}
.link-more:hover { color: var(--paper); border-bottom-color: var(--paper); }

.prose {
  max-width: 68ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: rgba(244, 241, 232, 0.82);
}
.prose p + p { margin-top: 1em; }
.prose h2 {
  margin-top: 1.8em;
  margin-bottom: 0.5em;
  font-family: var(--font-editorial);
  font-size: clamp(22px, 2.6vw, 30px);
  color: var(--paper);
}
.prose h3 {
  margin-top: 1.4em;
  margin-bottom: 0.4em;
  font-size: clamp(17px, 2vw, 20px);
  color: var(--paper);
}
.prose ul { margin-block: 1em; display: grid; gap: 0.5em; }
.prose li { padding-left: 18px; position: relative; }
.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 1px;
  background: var(--lime);
}
.prose a { color: var(--lime); text-underline-offset: 3px; }

/* 5. Skip link */
.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 400;
  padding: 12px 18px;
  background: var(--lime);
  color: var(--ink-on-lime);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 12px; }

/* 6. Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color var(--dur) ease, border-color var(--dur) ease;
}
.site-header.is-scrolled {
  background: var(--char);
  border-bottom-color: var(--line-strong);
}

.header-strip {
  overflow: hidden;
  max-height: 40px;
  border-bottom: 1px solid var(--line);
  opacity: 1;
  transition: max-height var(--dur) ease, opacity var(--dur) ease, border-color var(--dur) ease;
}
.site-header.is-scrolled .header-strip {
  max-height: 0;
  opacity: 0;
  border-bottom-color: transparent;
}

.header-strip__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 34px;
  padding-block: 5px;
}

.header-strip__line {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--steel);
}

.header-strip__meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--teal);
  white-space: nowrap;
}

.dot {
  width: 6px;
  height: 6px;
  flex: none;
  background: var(--teal);
  box-shadow: 0 0 0 3px rgba(47, 211, 176, 0.18);
}

.header-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(12px, 2vw, 30px);
  min-height: 70px;
  padding-block: 10px;
}

/* Brand */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--paper);
  flex: none;
}
.brand__mark {
  width: 24px;
  height: 24px;
  flex: none;
  background: var(--lime);
  clip-path: polygon(0 0, 100% 0, 100% 33%, 33% 33%, 33% 100%, 0 100%);
}
.brand__text { display: grid; gap: 2px; }
.brand__name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.05;
  color: var(--paper);
}
.brand__sub {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.22em;
  line-height: 1;
  color: var(--steel);
  transition: color var(--dur) ease;
}
.brand:hover .brand__sub { color: var(--teal); }

/* Nav */
.nav {
  display: flex;
  align-items: center;
  gap: clamp(8px, 1.4vw, 20px);
  margin-left: auto;
}
.nav__list {
  display: flex;
  align-items: center;
  gap: clamp(6px, 1.2vw, 18px);
}
.nav__item { display: flex; }
.nav__link {
  position: relative;
  display: inline-block;
  padding: 8px 2px;
  font-size: 14.5px;
  letter-spacing: 0.04em;
  color: rgba(244, 241, 232, 0.76);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) ease;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur) ease;
}
.nav__link:hover { color: var(--paper); }
.nav__link:hover::after { transform: scaleX(1); }
.nav__link[aria-current="page"] { color: var(--lime); }
.nav__link[aria-current="page"]::after { transform: scaleX(1); }
.nav__cta { margin-left: clamp(6px, 1vw, 14px); }

/* Mobile toggle */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  background: rgba(17, 21, 19, 0.6);
  color: var(--paper);
  cursor: pointer;
  transition: background-color var(--dur) ease, border-color var(--dur) ease, color var(--dur) ease;
}
.nav-toggle__bars { display: grid; gap: 4px; width: 18px; }
.nav-toggle__bars span {
  display: block;
  height: 2px;
  background: var(--lime);
  transition: transform var(--dur) ease, opacity var(--dur) ease, background-color var(--dur) ease;
}
.nav-toggle__text {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--paper);
}
.nav-toggle[aria-expanded="true"] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink-on-lime);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span { background: var(--ink-on-lime); }
.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); }
.nav-toggle[aria-expanded="true"] .nav-toggle__text { color: var(--ink-on-lime); }

/* Progress scale */
.header-progress {
  height: 2px;
  background: rgba(244, 241, 232, 0.07);
  overflow: hidden;
}
.header-progress__bar {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--teal), var(--lime) 60%, var(--orange));
  transition: width 0.08s linear;
}

/* 7. Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: 0;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--dur) ease, color var(--dur) ease, border-color var(--dur) ease, transform 0.12s ease;
}
.btn:active { transform: translateY(1px); }
.btn--lime { background: var(--lime); color: var(--ink-on-lime); }
.btn--lime:hover { background: var(--orange); color: var(--char); }
.btn--ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--paper);
}
.btn--ghost:hover { border-color: var(--lime); color: var(--lime); }
.btn--dark { background: var(--char); border-color: var(--line); color: var(--paper); }
.btn--dark:hover { background: var(--wine); border-color: var(--wine); color: var(--paper); }

/* 8. Footer */
.site-footer {
  background: var(--char);
  border-top: 1px solid var(--line-strong);
  color: var(--paper);
}

.footer-ledger {
  background: var(--indigo);
  border-bottom: 1px solid var(--line);
}
.footer-ledger__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-block: clamp(24px, 4vw, 40px);
}
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-brand .brand__mark { width: 28px; height: 28px; }
.footer-brand__line {
  font-family: var(--font-editorial);
  font-size: clamp(16px, 2vw, 22px);
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--paper);
}
.footer-ledger__cta { flex: none; }

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1.7fr;
  gap: clamp(24px, 4vw, 56px);
  padding-block: clamp(32px, 5vw, 60px);
}
.footer-col__title {
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--steel);
}
.footer-list { display: grid; gap: 10px; }
.footer-link {
  display: inline-block;
  font-size: 15px;
  color: rgba(244, 241, 232, 0.82);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) ease, border-color var(--dur) ease;
}
.footer-link:hover { color: var(--lime); border-bottom-color: var(--lime); }

.footer-contact { display: grid; gap: 12px; }
.footer-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}
.footer-contact__label {
  min-width: 42px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--steel);
}
.footer-contact__value {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--paper);
  word-break: break-all;
}
.footer-contact__value--wide {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.65;
  letter-spacing: 0.01em;
  color: rgba(244, 241, 232, 0.86);
  word-break: break-word;
}

.copy-btn {
  padding: 3px 8px;
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--steel);
  cursor: pointer;
  transition: color var(--dur) ease, border-color var(--dur) ease, background-color var(--dur) ease;
}
.copy-btn:hover { background: var(--lime); border-color: var(--lime); color: var(--ink-on-lime); }
.copy-btn.is-copied { background: var(--teal); border-color: var(--teal); color: var(--char); }

.footer-note {
  margin-top: 18px;
  padding-left: 12px;
  border-left: 2px solid rgba(255, 122, 47, 0.65);
  max-width: 44ch;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

.footer-legal {
  background: var(--void);
  border-top: 1px solid var(--line);
}
.footer-legal__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  padding-block: 18px;
}
.footer-legal__links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-legal__link {
  font-size: 13px;
  color: var(--steel);
  text-decoration: none;
  transition: color var(--dur) ease;
}
.footer-legal__link:hover { color: var(--paper); }
.footer-legal__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--steel);
}
.footer-icp { color: var(--steel); }
.footer-copy { color: var(--steel); }

/* 9. Breadcrumbs */
.crumbs {
  border-bottom: 1px solid var(--line);
  padding-block: 14px;
}
.crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--steel);
}
.crumbs__item { display: inline-flex; align-items: center; gap: 8px; }
.crumbs__item + .crumbs__item::before {
  content: "/";
  color: var(--line-strong);
}
.crumbs__link {
  color: var(--steel);
  text-decoration: none;
  transition: color var(--dur) ease;
}
.crumbs__link:hover { color: var(--lime); }
.crumbs__current { color: var(--paper); }

/* 10. Section rhythm */
.section { padding-block: clamp(40px, 7vw, 88px); }
.section__head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(20px, 3vw, 36px);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--teal);
  text-transform: uppercase;
}
.section-title {
  font-family: var(--font-editorial);
  font-weight: 600;
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.22;
  color: var(--paper);
}
.lede {
  max-width: 62ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.8;
  color: rgba(244, 241, 232, 0.78);
}

/* 11. Grid & panels */
.grid { display: grid; gap: var(--gap); }
.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, 1fr) minmax(0, 1.35fr); }

.panel {
  position: relative;
  padding: clamp(18px, 2.6vw, 30px);
  background: var(--deep);
  border: 1px solid var(--line);
}
.panel--indigo { background: var(--indigo); border-color: rgba(244, 241, 232, 0.1); }
.panel--wine { background: var(--wine); border-color: rgba(244, 241, 232, 0.1); }
.panel--char { background: var(--char); border-color: var(--line); }
.panel--sand { background: var(--sand); border-color: rgba(17, 21, 19, 0.12); color: var(--char); }

.panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.panel--sand .panel__head { border-bottom-color: rgba(17, 21, 19, 0.18); }
.panel__title {
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 22px);
  letter-spacing: 0.01em;
}
.panel__body {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 241, 232, 0.8);
}
.panel--sand .panel__body { color: rgba(17, 21, 19, 0.84); }

/* 12. Tags & stats */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--paper);
  white-space: nowrap;
}
.tag--lime { background: var(--lime); border-color: var(--lime); color: var(--ink-on-lime); }
.tag--orange { border-color: var(--orange); color: var(--orange); }
.tag--teal { border-color: var(--teal); color: var(--teal); }

.stat {
  display: grid;
  gap: 4px;
  padding-left: 12px;
  border-left: 2px solid var(--lime);
}
.stat__value {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--lime);
}
.stat__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--steel);
}

/* 13. Media containers */
.media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, var(--indigo) 0%, var(--deep) 55%, var(--wine) 100%);
}
.media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(115deg, transparent 0 47.6%, rgba(200, 255, 61, 0.16) 47.6% 48.2%, transparent 48.2% 100%);
}
.media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media--wide { aspect-ratio: 21 / 9; }
.media--tall { aspect-ratio: 4 / 5; }
.media__caption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

/* 14. Data tables */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: rgba(17, 21, 19, 0.65);
}
.data-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14px;
}
.data-table caption {
  padding: 10px 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--steel);
}
.data-table th,
.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.data-table th {
  background: rgba(244, 241, 232, 0.04);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--steel);
  white-space: nowrap;
}
.data-table td {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--paper);
}
.data-table tbody tr:hover td { background: rgba(200, 255, 61, 0.06); }

/* 15. Disclosure groups */
.disclosure {
  border: 1px solid var(--line);
  background: var(--char);
}
.disclosure + .disclosure { margin-top: -1px; }
.disclosure__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
  transition: background-color var(--dur) ease;
}
.disclosure__summary::-webkit-details-marker { display: none; }
.disclosure__summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--lime);
  transition: transform var(--dur) ease;
}
.disclosure__summary:hover { background: rgba(244, 241, 232, 0.05); }
.disclosure[open] .disclosure__summary {
  background: rgba(200, 255, 61, 0.07);
  border-bottom: 1px solid var(--line);
}
.disclosure[open] .disclosure__summary::after { content: "−"; }
.disclosure__body {
  padding: 16px 18px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 241, 232, 0.82);
}

/* 16. Reveal protocol */
.js-reveal [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.js-reveal [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* 17. Tablet */
@media (max-width: 1080px) {
  .nav__list { gap: 4px; }
  .nav__link { font-size: 14px; }
  .nav__cta { padding: 11px 16px; font-size: 13px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-col--contact { grid-column: 1 / -1; }
}

/* 18. Mobile nav breakpoint */
@media (max-width: 960px) {
  .header-strip { display: none; }
  .header-bar__inner { min-height: 60px; }
  .nav-toggle { display: inline-flex; }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: block;
    margin-left: 0;
    padding: 6px var(--gutter) 22px;
    background: var(--char);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line-strong);
    box-shadow: 0 24px 40px rgba(0, 0, 0, 0.45);
    max-height: calc(100vh - 76px);
    overflow-y: auto;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-6px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  }
  .nav[data-open="true"] {
    visibility: visible;
    opacity: 1;
    transform: none;
  }
  .nav__list { display: block; }
  .nav__item { border-bottom: 1px solid var(--line); }
  .nav__link {
    display: block;
    padding: 15px 2px;
    font-size: 16px;
    color: rgba(244, 241, 232, 0.86);
  }
  .nav__link::after { display: none; }
  .nav__link[aria-current="page"] {
    color: var(--lime);
    padding-left: 12px;
    border-left: 2px solid var(--lime);
  }
  .nav__cta {
    display: flex;
    width: 100%;
    margin-top: 18px;
    margin-left: 0;
    padding: 14px 18px;
    font-size: 14px;
  }

  .grid--2,
  .grid--3,
  .grid--split { grid-template-columns: 1fr; }
}

/* 19. Phone */
@media (max-width: 640px) {
  body { font-size: 16px; background-size: 64px 64px; }
  .brand__name { font-size: 18px; }
  .brand__sub { letter-spacing: 0.16em; }
  .brand { gap: 10px; }
  .brand__mark { width: 20px; height: 20px; }

  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-col--contact { grid-column: auto; }
  .footer-ledger__inner { align-items: flex-start; }
  .footer-ledger__cta { width: 100%; }
  .footer-legal__inner { align-items: flex-start; }
  .footer-legal__links { gap: 14px; }
  .footer-contact__row { gap: 8px; }
  .footer-contact__label { min-width: 36px; }

  .section { padding-block: clamp(32px, 9vw, 56px); }
  .panel { padding: 18px; }
}

/* 20. 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;
    scroll-behavior: auto !important;
  }
  .js-reveal [data-reveal] {
    opacity: 1;
    transform: none;
  }
  .btn:active { transform: none; }
}