/* =========================================================
   竞博JBO品牌站 — 共享样式表 /assets/site.css
   深空蓝底 · 电光青 / 陶土暖橙交互 · 悬浮玻璃胶囊
   ========================================================= */

/* ---------- 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, figure, blockquote, dl, dd, ul, ol { margin: 0; }

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

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

button, input, select, textarea { font: inherit; color: inherit; }

button { background: none; border: 0; cursor: pointer; }

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

[hidden] { display: none !important; }

.is-filtered-out { display: none !important; }

/* ---------- 2. Tokens ---------- */
:root {
  --ink: #0B1B3A;
  --ink-2: #142A54;
  --rock: #333C4A;
  --teal: #35E0C8;
  --amber: #FF8A3D;
  --moss: #7FA88C;
  --magenta: #D9459B;
  --cream: #F4F1EA;
  --mist: #8FA3BF;
  --char: #060C18;

  --line: rgba(51, 60, 74, .9);
  --line-soft: rgba(143, 163, 191, .22);
  --line-faint: rgba(143, 163, 191, .12);
  --glass: rgba(11, 27, 58, .82);
  --glass-deep: rgba(6, 12, 24, .92);

  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Source Han Sans SC", system-ui, -apple-system, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", "Courier New", monospace;

  --step--1: clamp(.8rem, .78rem + .1vw, .86rem);
  --step-0: clamp(1rem, .96rem + .2vw, 1.06rem);
  --step-1: clamp(1.12rem, 1.02rem + .5vw, 1.34rem);
  --step-2: clamp(1.36rem, 1.16rem + 1vw, 1.9rem);
  --step-3: clamp(1.72rem, 1.32rem + 1.9vw, 2.7rem);
  --step-4: clamp(2.1rem, 1.5rem + 3.2vw, 3.6rem);
  --step-5: clamp(2.45rem, 1.55rem + 4.6vw, 4.6rem);

  --radius-s: 10px;
  --radius: 18px;
  --radius-l: 28px;
  --radius-pill: 999px;

  --shell-max: 1240px;
  --gutter: clamp(16px, 4vw, 40px);

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- 3. Base typography ---------- */
body {
  background-color: var(--ink);
  background-image:
    radial-gradient(1100px 620px at 88% -12%, rgba(53, 224, 200, .10), transparent 62%),
    radial-gradient(820px 520px at 4% 8%, rgba(255, 138, 61, .08), transparent 60%);
  background-repeat: no-repeat;
  color: var(--cream);
  font-family: var(--font-sans);
  font-size: var(--step-0);
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: .01em;
  padding-top: 104px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6,
.h-display {
  font-family: var(--font-sans);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.015em;
}

h1 { font-size: var(--step-5); }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-2); }
h4 { font-size: var(--step-1); line-height: 1.35; }

p { max-width: 72ch; }

strong, b { font-weight: 700; color: var(--cream); }

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

:target { scroll-margin-top: 140px; }

/* ---------- 4. Focus & a11y ---------- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip-link {
  position: fixed;
  top: -140px;
  left: var(--gutter);
  z-index: 200;
  background: var(--amber);
  color: var(--ink);
  font-weight: 700;
  font-size: .84rem;
  letter-spacing: .06em;
  padding: .72em 1.15em;
  border-radius: 0 0 var(--radius-s) var(--radius-s);
  transition: top .2s var(--ease);
}

.skip-link:focus,
.skip-link:focus-visible { top: 0; }

/* ---------- 5. Layout ---------- */
.wrap {
  width: min(var(--shell-max), calc(100% - var(--gutter) * 2));
  margin-inline: auto;
}

.section {
  position: relative;
  padding-block: clamp(52px, 8vw, 116px);
}

.section--tint { background-color: var(--ink-2); }

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

.section--light {
  background-color: var(--cream);
  color: var(--ink);
}

.section--light .lede { color: rgba(11, 27, 58, .74); }

.section--light .eyebrow { color: #1B8C7E; }

.section--light .rule { background: rgba(11, 27, 58, .16); }

.section__head {
  display: flex;
  flex-direction: column;
  gap: .7rem;
  max-width: 62ch;
  margin-bottom: clamp(24px, 4vw, 48px);
}

/* ---------- 6. Typography helpers ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .6em;
  font-family: var(--font-mono);
  font-size: .71rem;
  font-weight: 600;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--teal);
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
  opacity: .8;
}

.lede {
  font-size: var(--step-1);
  line-height: 1.7;
  color: var(--mist);
  max-width: 48ch;
}

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

.numeric {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.01em;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: .45em;
  font-family: var(--font-mono);
  font-size: .67rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  padding: .34em .72em;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-pill);
  color: var(--mist);
  white-space: nowrap;
}

.tag--live {
  color: var(--teal);
  border-color: rgba(53, 224, 200, .42);
}

.tag--live::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
  animation: jbo-pulse 2.6s ease-in-out infinite;
}

.tag--season {
  color: var(--magenta);
  border-color: rgba(217, 69, 155, .44);
}

@keyframes jbo-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .32; transform: scale(.68); }
}

/* ---------- 7. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55em;
  font-family: var(--font-sans);
  font-size: .88rem;
  font-weight: 700;
  letter-spacing: .06em;
  line-height: 1.2;
  padding: .8em 1.4em;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background-color .22s var(--ease), color .22s var(--ease),
    border-color .22s var(--ease), transform .22s var(--ease);
}

.btn--amber {
  background-color: var(--amber);
  color: var(--ink);
}

.btn--amber:hover { background-color: #FFA062; transform: translateY(-2px); }

.btn--teal {
  background-color: var(--teal);
  color: var(--ink);
}

.btn--teal:hover { background-color: #62EBD8; transform: translateY(-2px); }

.btn--ghost {
  background-color: transparent;
  color: var(--cream);
  border-color: var(--line-soft);
}

.btn--ghost:hover {
  color: var(--teal);
  border-color: rgba(53, 224, 200, .58);
}

.btn--sm {
  font-size: .76rem;
  padding: .58em 1.05em;
  letter-spacing: .08em;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  gap: .5em;
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .1em;
  padding: .58em 1em;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-pill);
  color: var(--mist);
  transition: color .22s var(--ease), border-color .22s var(--ease),
    background-color .22s var(--ease);
}

.icon-btn::before {
  content: "";
  width: 11px;
  height: 11px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  flex: 0 0 auto;
}

.icon-btn:hover {
  color: var(--teal);
  border-color: rgba(53, 224, 200, .55);
}

.icon-btn[aria-expanded="true"] {
  background-color: var(--teal);
  border-color: var(--teal);
  color: var(--ink);
}

.chip-btn {
  display: inline-flex;
  align-items: center;
  gap: .45em;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .06em;
  padding: .48em 1em;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-pill);
  color: var(--mist);
  transition: color .2s var(--ease), border-color .2s var(--ease),
    background-color .2s var(--ease);
}

.chip-btn:hover {
  color: var(--cream);
  border-color: rgba(53, 224, 200, .52);
}

.chip-btn[aria-pressed="true"],
.chip-btn.is-active {
  background-color: var(--teal);
  border-color: var(--teal);
  color: var(--ink);
}

/* ---------- 8. Media containers ---------- */
.media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-l);
  background-image: linear-gradient(140deg, rgba(53, 224, 200, .16), rgba(255, 138, 61, .12) 60%, rgba(217, 69, 155, .1));
  background-color: var(--ink-2);
  isolation: isolate;
}

.media::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(143, 163, 191, .13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 163, 191, .13) 1px, transparent 1px);
  background-size: 38px 38px;
  opacity: .55;
  pointer-events: none;
}

.media > * { position: relative; z-index: 1; }

.media--16x9 { aspect-ratio: 16 / 9; }
.media--4x3 { aspect-ratio: 4 / 3; }
.media--1x1 { aspect-ratio: 1 / 1; }

.media--flat { border-radius: var(--radius); }

/* ---------- 9. Grids, cards, prose ---------- */
.grid {
  display: grid;
  gap: clamp(14px, 2.2vw, 26px);
}

.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); }

.split {
  display: grid;
  gap: clamp(22px, 4.5vw, 60px);
  align-items: center;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
}

.split--offset > :last-child { transform: translateY(clamp(-26px, -2vw, -8px)); }

.card {
  position: relative;
  background-color: rgba(20, 42, 84, .5);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: clamp(18px, 2.4vw, 28px);
  transition: border-color .24s var(--ease), background-color .24s var(--ease),
    transform .24s var(--ease);
}

.card::before {
  content: "";
  position: absolute;
  left: clamp(18px, 2.4vw, 28px);
  top: 0;
  width: 34px;
  height: 2px;
  border-radius: 0 0 2px 2px;
  background: linear-gradient(90deg, var(--teal), var(--amber));
}

.card:hover {
  border-color: rgba(53, 224, 200, .55);
  background-color: rgba(20, 42, 84, .78);
  transform: translateY(-3px);
}

.crumbs {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--mist);
  margin-bottom: clamp(18px, 3vw, 34px);
}

.crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem;
}

.crumbs li + li::before {
  content: "/";
  margin-right: .55rem;
  color: var(--rock);
}

.crumbs a:hover { color: var(--teal); }

.crumbs [aria-current="page"] { color: var(--cream); }

.prose { max-width: 70ch; }

.prose > * + * { margin-top: 1.1em; }

.prose h2 { margin-top: 1.9em; font-size: var(--step-2); }
.prose h3 { margin-top: 1.5em; font-size: var(--step-1); }

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

.prose li {
  position: relative;
  padding-left: 1.4em;
}

.prose li + li { margin-top: .5em; }

.prose li::before {
  content: "";
  position: absolute;
  left: .15em;
  top: .72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--amber);
}

/* ---------- 10. Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 90;
  padding: 14px var(--gutter);
  transition: padding .3s var(--ease);
}

.site-header__inner {
  width: min(var(--shell-max), 100%);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 26px);
  padding: 10px 12px 10px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background-color: var(--glass);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  backdrop-filter: blur(16px) saturate(150%);
  box-shadow: 0 20px 44px -30px rgba(6, 12, 24, .96);
  transition: padding .3s var(--ease), border-radius .3s var(--ease),
    background-color .3s var(--ease);
}

.site-header.is-condensed { padding-top: 8px; padding-bottom: 8px; }

.site-header.is-condensed .site-header__inner {
  padding-block: 6px;
  border-radius: var(--radius-pill);
  background-color: var(--glass-deep);
}

.site-header.is-nav-open .site-header__inner { border-radius: var(--radius); }

/* Brand */
.brand {
  order: 1;
  display: flex;
  align-items: center;
  gap: .7rem;
  flex: 0 0 auto;
  min-width: 0;
}

.brand__mark {
  position: relative;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  border-radius: 12px;
  overflow: hidden;
  background-image: linear-gradient(135deg, var(--teal), var(--amber));
}

.brand__mark::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(158deg, transparent 44%, rgba(11, 27, 58, .95) 46%);
}

.brand__mark::after {
  content: "";
  position: absolute;
  right: 7px;
  bottom: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: var(--magenta);
  box-shadow: 0 0 0 3px rgba(6, 12, 24, .6);
}

.brand__text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1.18;
  min-width: 0;
}

.brand__name {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--cream);
  white-space: nowrap;
}

.brand__tagline {
  max-height: 1.5em;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: .6rem;
  letter-spacing: .12em;
  color: var(--mist);
  white-space: nowrap;
  transition: opacity .26s var(--ease), max-height .26s var(--ease);
}

.site-header.is-condensed .brand__tagline {
  opacity: 0;
  max-height: 0;
}

.brand--footer .brand__name { font-size: 1.12rem; }

/* Nav */
.site-nav {
  order: 2;
  display: flex;
  align-items: center;
  gap: clamp(8px, 1.6vw, 18px);
  margin-left: auto;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: .5em .88em;
  border-radius: var(--radius-pill);
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .03em;
  color: var(--mist);
  white-space: nowrap;
  transition: color .2s var(--ease), background-color .2s var(--ease);
}

.nav-link:hover {
  color: var(--cream);
  background-color: rgba(53, 224, 200, .12);
}

.nav-link[aria-current="page"] {
  color: var(--cream);
  background-color: rgba(53, 224, 200, .12);
}

.nav-link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: .88em;
  right: .88em;
  bottom: .16em;
  height: 2px;
  border-radius: 2px;
  background-color: var(--amber);
}

/* Tools */
.header-tools {
  order: 3;
  display: flex;
  align-items: center;
  gap: .55rem;
  flex: 0 0 auto;
}

.header-tools__cta { white-space: nowrap; }

/* Mobile toggle */
.nav-toggle {
  order: 4;
  display: none;
  align-items: center;
  gap: .55em;
  padding: .55em .95em;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-pill);
  color: var(--cream);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .12em;
  transition: border-color .22s var(--ease), color .22s var(--ease);
}

.nav-toggle:hover { border-color: rgba(53, 224, 200, .55); color: var(--teal); }

.nav-toggle__bars {
  display: flex;
  flex-direction: column;
  gap: 3px;
  width: 16px;
}

.nav-toggle__bars span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background-color: currentColor;
  transition: transform .24s var(--ease), opacity .24s var(--ease);
}

.nav-toggle__bars span:nth-child(2) { width: 70%; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) {
  transform: translateY(5px) 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(-5px) rotate(-45deg);
}

/* Search panel */
.site-search {
  width: min(var(--shell-max), 100%);
  margin: 10px auto 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .7rem;
  padding: 14px 18px;
  border: 1px solid rgba(53, 224, 200, .38);
  border-radius: var(--radius);
  background-color: var(--glass-deep);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: 0 22px 44px -30px rgba(6, 12, 24, .98);
}

.site-search__label {
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--teal);
}

.site-search__input {
  flex: 1 1 220px;
  min-width: 0;
  padding: .6em 1.1em;
  color: var(--cream);
  font-size: .9rem;
  background-color: rgba(244, 241, 234, .05);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-pill);
}

.site-search__input::placeholder { color: var(--rock); }

.site-search__hint {
  flex: 1 1 100%;
  font-size: .78rem;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 11. Footer ---------- */
.site-footer {
  position: relative;
  background-color: var(--char);
  color: var(--cream);
  padding-top: clamp(46px, 7vw, 88px);
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background-image: linear-gradient(90deg, var(--teal), var(--amber) 56%, var(--magenta));
}

.site-footer__inner {
  width: min(var(--shell-max), calc(100% - var(--gutter) * 2));
  margin-inline: auto;
}

.site-footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.9fr);
  gap: clamp(28px, 5vw, 76px);
  padding-bottom: clamp(30px, 4vw, 52px);
  border-bottom: 1px solid var(--line-faint);
}

.site-footer__summary {
  margin-top: 18px;
  max-width: 40ch;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--mist);
}

.site-footer__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(16px, 3vw, 34px);
  margin-top: clamp(20px, 3vw, 30px);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: .1rem;
}

.stat__key {
  font-family: var(--font-mono);
  font-size: .63rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--moss);
}

.stat__value {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--cream);
}

.site-footer__cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: clamp(20px, 3vw, 36px);
}

.footer-col__title {
  margin-bottom: .95rem;
  font-family: var(--font-mono);
  font-size: .67rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--teal);
}

.footer-col__list {
  display: flex;
  flex-direction: column;
  gap: .55rem;
}

.footer-link {
  font-size: .92rem;
  color: var(--mist);
  transition: color .2s var(--ease);
}

.footer-link:hover { color: var(--cream); }

.site-footer__contact {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: clamp(16px, 2.4vw, 28px);
  padding: clamp(24px, 3.4vw, 38px) 0;
  border-bottom: 1px solid var(--line-faint);
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: .22rem;
}

.contact-item__key {
  font-family: var(--font-mono);
  font-size: .63rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--moss);
}

.contact-item__value {
  font-size: .93rem;
  color: var(--cream);
  word-break: break-word;
}

.site-footer__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem 1.7rem;
  padding: clamp(18px, 2.4vw, 26px) 0 clamp(24px, 3vw, 36px);
}

.legal-line {
  font-family: var(--font-mono);
  font-size: .71rem;
  letter-spacing: .1em;
  color: var(--mist);
}

.site-footer__note {
  flex-basis: 100%;
  font-size: .76rem;
  line-height: 1.7;
  color: rgba(143, 163, 191, .74);
}

/* ---------- 12. Entrance motion ---------- */
@keyframes jbo-reveal-up {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes jbo-reveal-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

[data-reveal] { animation: jbo-reveal-up .62s var(--ease) both; }
[data-reveal="1"] { animation-delay: .07s; }
[data-reveal="2"] { animation-delay: .14s; }
[data-reveal="3"] { animation-delay: .21s; }
[data-reveal="4"] { animation-delay: .28s; }

/* ---------- 13. Responsive ---------- */
@media (max-width: 1080px) {
  .site-footer__top { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 900px) {
  body { padding-top: 88px; }

  .site-header { padding: 10px var(--gutter); }

  .site-header__inner {
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius);
  }

  .site-header.is-condensed .site-header__inner { border-radius: var(--radius); }

  .brand__tagline { display: none; }
  .brand__mark { width: 34px; height: 34px; border-radius: 10px; }

  .nav-toggle { order: 2; display: inline-flex; margin-left: auto; }
  .header-tools { order: 3; }
  .header-tools__cta { display: none; }

  .site-nav {
    order: 4;
    flex: 1 0 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: 0;
    opacity: 0;
    visibility: hidden;
    overflow: hidden;
    transition: max-height .32s var(--ease), opacity .24s var(--ease),
      visibility .32s var(--ease);
  }

  .site-nav[data-open] {
    max-height: 460px;
    opacity: 1;
    visibility: visible;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    width: 100%;
    padding-top: 8px;
  }

  .nav-link {
    display: block;
    width: 100%;
    padding: .78em 1em;
    border-radius: var(--radius-s);
  }

  .nav-link[aria-current="page"]::after {
    left: 1em;
    right: auto;
    width: 18px;
    bottom: .55em;
  }

  .site-search { padding: 12px 14px; }
}

@media (max-width: 620px) {
  .split--offset > :last-child { transform: none; }

  .site-footer__legal { gap: .4rem 1rem; }

  .stat__value { font-size: 1.15rem; }
}

/* ---------- 14. Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }

  [data-reveal] {
    animation-name: jbo-reveal-fade;
    animation-duration: .35s !important;
    animation-delay: 0s !important;
  }

  .tag--live::before { animation: none; opacity: .9; }

  .card:hover,
  .btn:hover { transform: none; }
}