/* =========================================================
   赛酷体育 · shortcut-saiku.com.cn
   共享样式表 /assets/site.css
   深翠绿 × 赛博霓虹青 × 琥珀金 on 深炭黑
   ========================================================= */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  tab-size: 4;
}

body,
h1, h2, h3, h4, h5,
p, ul, ol, 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; }

table { border-collapse: collapse; }

/* ---------- 2. Tokens ---------- */
:root {
  --ink: #0B0D0C;
  --ink-2: #101514;
  --emerald: #0E3B2E;
  --emerald-mid: #16583F;
  --cyan: #2BE3C8;
  --cyan-deep: #0B6E68;
  --amber: #F2B233;
  --amber-soft: #F7E2B0;
  --indigo: #2A2C5A;
  --wine: #5A1F2E;
  --mist: #E9F1EC;
  --graphite: #7E8C86;

  --line: rgba(233, 241, 236, .14);
  --line-strong: rgba(233, 241, 236, .26);
  --tint-cyan: rgba(43, 227, 200, .10);

  --shell: min(1240px, 92vw);
  --gutter: clamp(16px, 4vw, 34px);

  --r-lg: 28px;
  --r-md: 18px;
  --r-sm: 10px;
  --r-pill: 999px;

  --t-fast: 180ms cubic-bezier(.22, .61, .36, 1);
  --t-mid: 260ms cubic-bezier(.22, .61, .36, 1);

  --font-display: "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, 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;
}

/* ---------- 3. Base ---------- */
body {
  background: var(--ink);
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { color: var(--cyan); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.06;
  color: var(--mist);
}

strong { color: var(--mist); }
hr { border: 0; border-top: 1px solid var(--line); margin: 34px 0; }

::selection { background: var(--amber); color: #16130A; }

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- 4. Layout ---------- */
.shell { width: var(--shell); margin-inline: auto; }

.section { padding-block: clamp(46px, 7vw, 96px); }

.grid { display: grid; gap: clamp(16px, 2.4vw, 32px); }

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 32px);
}

.col-3  { grid-column: span 3; }
.col-4  { grid-column: span 4; }
.col-6  { grid-column: span 6; }
.col-8  { grid-column: span 8; }
.col-9  { grid-column: span 9; }
.col-12 { grid-column: span 12; }

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px 28px;
  margin-bottom: clamp(20px, 3vw, 38px);
}

.eyebrow,
.index-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
  text-transform: none;
}

.index-num { color: var(--amber); }

.display-1 {
  font-size: clamp(44px, 8.4vw, 128px);
  font-weight: 800;
  line-height: .92;
  letter-spacing: -.03em;
}

.display-2 {
  font-size: clamp(26px, 4.2vw, 54px);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.04;
}

.lede {
  font-size: clamp(16px, 1.35vw, 18px);
  line-height: 1.75;
  color: #C9D8D1;
  max-width: 62ch;
}

.tiny { font-size: 12px; letter-spacing: .12em; color: var(--graphite); }
.muted { color: var(--graphite); }
.mono,
.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .08em;
}
.accent-amber { color: var(--amber); }
.accent-cyan { color: var(--cyan); }

.prose { max-width: 72ch; color: #CBDBD3; }
.prose p + p { margin-top: 1.05em; }
.prose h2 {
  font-size: clamp(22px, 2.4vw, 30px);
  margin: 1.9em 0 .55em;
}
.prose h3 {
  font-size: clamp(18px, 1.8vw, 22px);
  margin: 1.6em 0 .5em;
  letter-spacing: -.01em;
}
.prose ul { list-style: disc; padding-left: 1.25em; margin: .8em 0; }
.prose ol { list-style: decimal; padding-left: 1.45em; margin: .8em 0; }
.prose li + li { margin-top: .45em; }
.prose a { border-bottom: 1px solid rgba(43, 227, 200, .45); }
.prose a:hover { border-bottom-color: var(--amber); color: var(--amber); }

/* ---------- 5. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .06em;
  line-height: 1;
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast),
              border-color var(--t-fast), transform var(--t-fast);
}

.btn--amber { background: var(--amber); color: #17130A; }
.btn--amber:hover { background: var(--amber-soft); color: #17130A; transform: translateY(-1px); }

.btn--cyan { background: var(--cyan); color: #04211C; }
.btn--cyan:hover { background: #6FF0DC; color: #04211C; transform: translateY(-1px); }

.btn--ghost {
  background: rgba(43, 227, 200, .06);
  border-color: rgba(43, 227, 200, .45);
  color: var(--mist);
}
.btn--ghost:hover { border-color: var(--cyan); color: var(--cyan); }

/* ---------- 6. Skip link ---------- */
.skip-link {
  position: absolute;
  left: 14px;
  top: -80px;
  z-index: 220;
  padding: 11px 20px;
  border-radius: var(--r-pill);
  background: var(--amber);
  color: #17130A;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  transition: top var(--t-fast);
}
.skip-link:focus { top: 12px; color: #17130A; }

/* ---------- 7. Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: linear-gradient(180deg, rgba(11, 13, 12, .97), rgba(11, 13, 12, .84));
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.site-header::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-deep) 42%, var(--amber) 82%, transparent);
  opacity: .55;
  pointer-events: none;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 40px);
  padding-block: 16px;
  transition: padding var(--t-mid);
}
.site-header[data-scrolled="true"] .header-inner { padding-block: 9px; }

.header-rail {
  flex: 1 1 auto;
  min-width: 28px;
  height: 1px;
  margin-inline: clamp(10px, 2.5vw, 46px);
  transform: scaleX(.55) skewY(-1deg);
  transform-origin: center;
  background: linear-gradient(90deg, transparent, var(--cyan-deep) 48%, transparent);
  opacity: .35;
  transition: opacity var(--t-mid), transform var(--t-mid);
}
.site-header[data-scrolled="true"] .header-rail { opacity: 1; transform: scaleX(1) skewY(-1deg); }

/* brand */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  color: var(--mist);
}
.brand:hover .brand-name { color: var(--cyan); }

.brand-mark {
  position: relative;
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  border-radius: 10px;
  background: linear-gradient(140deg, var(--emerald-mid), var(--cyan-deep) 62%, var(--cyan));
  box-shadow: inset 0 0 0 1px rgba(43, 227, 200, .32);
}
.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  height: 3px;
  border-radius: 2px;
  transform: skewX(-20deg);
}
.brand-mark::before { left: 6px; right: 6px; top: 9px; background: var(--cyan); }
.brand-mark::after { left: 10px; right: 6px; top: 16px; background: var(--amber); }

.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--mist);
  transition: color var(--t-fast);
}
.brand-line {
  margin-top: 2px;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--graphite);
}

/* nav */
.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.4vw, 34px);
  flex: 0 0 auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: 7px 2px;
  font-size: 14px;
  letter-spacing: .10em;
  color: var(--mist);
  white-space: nowrap;
  transition: color var(--t-fast);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--cyan);
  transform: skewX(-18deg);
  transition: right var(--t-fast), background var(--t-fast);
}
.nav-link:hover { color: var(--cyan); }
.nav-link:hover::after { right: 0; }
.nav-link[aria-current="page"] { color: var(--amber); }
.nav-link[aria-current="page"]::after { right: 0; background: var(--amber); }

.header-cta { padding: 10px 19px; font-size: 13px; }

/* mobile toggle */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  flex: 0 0 auto;
  padding: 10px 17px;
  border: 1px solid rgba(43, 227, 200, .42);
  border-radius: var(--r-pill);
  background: rgba(14, 59, 46, .62);
  color: var(--mist);
  font-size: 12px;
  letter-spacing: .14em;
  cursor: pointer;
  transition: border-color var(--t-fast), color var(--t-fast), background var(--t-fast);
}
.nav-toggle:hover { border-color: var(--cyan); color: var(--cyan); }
.nav-toggle[aria-expanded="true"] { background: var(--cyan); border-color: var(--cyan); color: #04211C; }

.nav-toggle-bars { position: relative; width: 16px; height: 10px; }
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--t-fast), top var(--t-fast), bottom var(--t-fast);
}
.nav-toggle-bars::before { top: 0; }
.nav-toggle-bars::after { bottom: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { top: 4px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { bottom: 4px; transform: rotate(-45deg); }

.nav-toggle-text { line-height: 1; }

/* ---------- 8. Footer ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(56px, 8vw, 120px);
  border-top: 1px solid var(--line);
  background:
    radial-gradient(70% 120% at 12% 0%, rgba(22, 88, 63, .55), transparent 68%),
    radial-gradient(46% 90% at 88% 6%, rgba(43, 227, 200, .14), transparent 70%),
    linear-gradient(180deg, #0A1512 0%, #081110 52%, #070C0B 100%);
  overflow: hidden;
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(115deg, transparent 0 46px, rgba(233, 241, 236, .032) 46px 47px);
  pointer-events: none;
}

.footer-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.25fr repeat(4, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 44px);
  padding-block: clamp(44px, 6vw, 84px) clamp(30px, 4vw, 56px);
}

.footer-brand { max-width: 34ch; }

.footer-tagline {
  margin-top: 18px;
  font-size: 15px;
  line-height: 1.75;
  color: #C6D5CE;
}

.footer-note {
  margin-top: 14px;
  padding-left: 12px;
  border-left: 2px solid var(--cyan-deep);
  font-size: 12px;
  line-height: 1.75;
  letter-spacing: .02em;
  color: var(--graphite);
}

.footer-col-title {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--cyan);
  margin-bottom: 16px;
}

.footer-list { display: grid; gap: 10px; }
.footer-list a {
  display: inline-block;
  font-size: 13.5px;
  color: var(--graphite);
  transition: color var(--t-fast), padding-left var(--t-fast);
}
.footer-list a:hover { color: var(--mist); padding-left: 7px; }

.footer-contact {
  position: relative;
  padding-block: 18px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.9;
  letter-spacing: .04em;
  color: var(--graphite);
}
.footer-contact .mono { color: var(--amber-soft); }

.footer-legal {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 26px;
  padding-block: 18px 30px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--graphite);
}

.footer-icp { color: var(--graphite); }

.legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-left: auto;
}
.legal-links a { color: var(--graphite); }
.legal-links a:hover { color: var(--cyan); }

/* ---------- 9. Breadcrumb ---------- */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--graphite);
}
.crumbs li { display: inline-flex; align-items: center; gap: 10px; }
.crumbs li + li::before { content: "／"; color: var(--cyan-deep); }
.crumbs a { color: var(--graphite); }
.crumbs a:hover { color: var(--cyan); }
.crumbs [aria-current="page"] { color: var(--mist); }

/* ---------- 10. Chips ---------- */
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  background: rgba(233, 241, 236, .04);
  color: var(--mist);
  font-size: 13px;
  letter-spacing: .06em;
  cursor: pointer;
  transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast);
}
.chip:hover { border-color: var(--cyan); color: var(--cyan); }
.chip[aria-pressed="true"],
.chip.is-active {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #04211C;
  font-weight: 700;
}

/* ---------- 11. Panels / tiles ---------- */
.panel {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(155deg, var(--emerald-mid), var(--emerald));
}
.panel--emerald { background: linear-gradient(155deg, var(--emerald-mid), var(--emerald)); }
.panel--indigo  { background: linear-gradient(155deg, #343772, var(--indigo)); }
.panel--wine    { background: linear-gradient(155deg, #7A2B3E, var(--wine)); }
.panel--dark    { background: var(--ink-2); }

.slant-edge { position: relative; overflow: hidden; }
.slant-edge::after {
  content: "";
  position: absolute;
  top: -12%;
  right: -14%;
  width: 40%;
  height: 124%;
  background: linear-gradient(160deg, rgba(43, 227, 200, .16), transparent 72%);
  transform: skewX(-9deg);
  pointer-events: none;
}

/* ---------- 12. Data grid & stats ---------- */
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}

.dtable { width: 100%; min-width: 520px; font-size: 14px; }
.dtable th {
  padding: 12px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--graphite);
  border-bottom: 1px solid var(--line-strong);
  white-space: nowrap;
}
.dtable td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--line);
  color: var(--mist);
}
.dtable tbody tr { height: 40px; transition: background var(--t-fast); }
.dtable tbody tr:nth-child(even) { background: rgba(22, 88, 63, .30); }
.dtable tbody tr:hover { background: var(--tint-cyan); }
.dtable tbody tr:last-child td { border-bottom: 0; }
.dtable .num { color: var(--amber-soft); }

.dtable th[data-sort] { cursor: pointer; user-select: none; }
.dtable th[data-sort]:hover { color: var(--cyan); }
.dtable th[aria-sort="ascending"]::after { content: " ▲"; color: var(--amber); }
.dtable th[aria-sort="descending"]::after { content: " ▼"; color: var(--amber); }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}
.stat {
  padding: 18px 20px;
  background: var(--ink-2);
}
.stat-label {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--graphite);
}
.stat-num {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(24px, 2.6vw, 34px);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--amber);
}
.stat-num .unit { margin-left: .08em; font-size: .58em; color: var(--graphite); }

/* ---------- 13. Table of contents ---------- */
.toc {
  position: sticky;
  top: 104px;
  display: grid;
  gap: 4px;
  align-content: start;
}
.toc-title {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
  margin-bottom: 8px;
}
.toc-link {
  display: block;
  padding: 9px 12px;
  border-left: 2px solid var(--line);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--graphite);
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}
.toc-link:hover { color: var(--mist); border-left-color: var(--cyan-deep); }
.toc-link.is-active {
  color: var(--mist);
  border-left-color: var(--amber);
  background: linear-gradient(90deg, rgba(242, 178, 51, .14), transparent);
}

/* ---------- 14. Figures ---------- */
.figure-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: clamp(14px, 2vw, 24px);
}

.figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    linear-gradient(150deg, rgba(22, 88, 63, .85), #08130F 70%),
    var(--emerald);
}
.figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(102deg, transparent 0 34px, rgba(43, 227, 200, .07) 34px 35px);
  pointer-events: none;
}
.figure img { width: 100%; height: 100%; object-fit: cover; }
.figure figcaption {
  position: absolute;
  left: 14px;
  bottom: 14px;
  z-index: 2;
  padding: 6px 13px;
  border-radius: var(--r-pill);
  background: rgba(11, 13, 12, .68);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist);
}
.figure--slim { aspect-ratio: 21 / 9; }
.figure--wide { aspect-ratio: 16 / 7; }
.figure--std  { aspect-ratio: 4 / 3; }
.figure--tall { aspect-ratio: 3 / 4; }

/* ---------- 15. Scroll UI & reveal ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--cyan), var(--amber));
  z-index: 130;
  pointer-events: none;
}

.to-top {
  position: fixed;
  right: clamp(14px, 3vw, 34px);
  bottom: clamp(14px, 3vw, 34px);
  z-index: 120;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(43, 227, 200, .42);
  border-radius: 50%;
  background: rgba(11, 13, 12, .86);
  color: var(--cyan);
  font-size: 17px;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: opacity var(--t-mid), transform var(--t-mid), visibility var(--t-mid),
              border-color var(--t-fast), background var(--t-fast);
}
.to-top[data-visible="true"] { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { border-color: var(--cyan); background: rgba(43, 227, 200, .16); }

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 420ms ease, transform 420ms ease;
}
.reveal[data-shown="true"] { opacity: 1; transform: none; }

/* ---------- 16. Responsive ---------- */
@media (max-width: 1100px) {
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 1024px) {
  .toc {
    position: static;
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
  }
  .toc-title { display: none; }
  .toc-link {
    flex: 0 0 auto;
    padding: 8px 15px;
    border: 1px solid var(--line-strong);
    border-radius: var(--r-pill);
    white-space: nowrap;
  }
  .toc-link.is-active {
    border-color: var(--amber);
    background: rgba(242, 178, 51, .14);
  }
}

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .brand-line { display: none; }
  .header-rail { opacity: .18; }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: 0;
    padding: 0 var(--gutter);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    background: linear-gradient(180deg, #0A1613, #0B0D0C 88%);
    border-bottom: 1px solid var(--line);
    transition: max-height var(--t-mid), opacity var(--t-mid),
                visibility var(--t-mid), padding var(--t-mid);
  }
  .site-nav[data-open="true"] {
    max-height: 82vh;
    padding: 10px var(--gutter) 26px;
    opacity: 1;
    visibility: visible;
  }

  .nav-list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-link {
    display: block;
    padding: 15px 4px;
    font-size: 16px;
    border-bottom: 1px solid var(--line);
  }
  .nav-link::after { display: none; }
  .nav-link[aria-current="page"] { padding-left: 12px; border-left: 3px solid var(--amber); }

  .header-cta { align-self: flex-start; margin-top: 18px; }

  .col-3, .col-4, .col-6, .col-8, .col-9 { grid-column: span 12; }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 26px; }
  .legal-links { margin-left: 0; width: 100%; }
  .figure--tall { aspect-ratio: 4 / 5; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .brand-name { font-size: 17px; }
}

/* ---------- 17. Reduced 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;
  }
  .reveal { opacity: 1; transform: none; }
  .header-rail { transform: none; }
}