/* ============================================================
   易倍体育入口 — /assets/site.css
   共享外壳：reset / 变量 / 中文排版 / 刊头 / 页脚 / 通用组件
   ============================================================ */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 120px;
}

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;
  cursor: pointer;
}

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

table { border-collapse: collapse; width: 100%; }

/* ---------- 2. Tokens ---------- */
:root {
  --pitch: #061A12;
  --ink: #0B0D0C;
  --moss: #0F2B1F;
  --signal: #D8FF3E;
  --score: #FF3B30;
  --electric: #4DD0FF;
  --paper: #F5F1E6;
  --chalk: #FFFFFF;
  --mute: #8FA096;

  --text: rgba(245, 241, 230, .78);
  --text-strong: rgba(245, 241, 230, .92);
  --ink-text: #3B4A42;

  --line: rgba(245, 241, 230, .14);
  --line-strong: rgba(245, 241, 230, .3);

  --maxw: 1240px;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --radius: 3px;
  --shadow-print: 6px 6px 0 rgba(11, 13, 12, .55);

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

  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* ---------- 3. Base typography ---------- */
body {
  min-height: 100vh;
  background-color: var(--pitch);
  background-image:
    radial-gradient(1100px 560px at 82% -8%, rgba(77, 208, 255, .10), transparent 62%),
    radial-gradient(880px 520px at 4% 6%, rgba(216, 255, 62, .07), transparent 64%);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: clamp(1rem, .95rem + .2vw, 1.125rem);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-sans);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -.015em;
  color: var(--chalk);
}

strong { color: var(--chalk); }

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

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

.mono,
.data-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .04em;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

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

.shell--narrow { max-width: 880px; }

.section { padding-block: clamp(3rem, 7vw, 5.5rem); }
.section--tight { padding-block: clamp(2rem, 4.5vw, 3rem); }
.section--ink { background: var(--ink); }
.section--paper { background: var(--paper); color: var(--ink-text); }
.section--line { border-top: 1px solid var(--line); }

.grid { display: grid; gap: clamp(1rem, 2.4vw, 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, 1.05fr) minmax(0, .95fr); align-items: start; }
.grid--index { grid-template-columns: minmax(0, 250px) minmax(0, 1fr); align-items: start; }

.stack { display: grid; gap: clamp(.8rem, 2vw, 1.25rem); }
.stack--tight { gap: .6rem; }

.rule { height: 1px; border: 0; background: var(--line); }
.rule--dashed {
  height: 1px;
  border: 0;
  background-image: repeating-linear-gradient(90deg, var(--line-strong) 0 6px, transparent 6px 14px);
}

/* ---------- 5. Section head ---------- */
.section-head {
  display: grid;
  gap: .75rem;
  max-width: 68ch;
  margin-bottom: clamp(1.6rem, 3.2vw, 2.6rem);
}

.section-head__kicker {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .2em;
  color: var(--signal);
  text-transform: uppercase;
}

.section-head__kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--signal);
}

.section-head__title {
  display: inline-block;
  font-size: clamp(1.8rem, 4.4vw, 2.9rem);
  transform: skewX(-3deg);
  transform-origin: left bottom;
}

.section-head__lead { font-size: 1rem; color: var(--text); }

.section-head--paper .section-head__title { color: var(--ink); }
.section-head--paper .section-head__lead { color: var(--ink-text); }

/* ---------- 6. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .72rem 1.15rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 800;
  font-size: .92rem;
  letter-spacing: .05em;
  text-align: center;
  transition: transform .18s var(--ease), background-color .22s var(--ease),
              color .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);
}

.btn--signal {
  background: var(--signal);
  color: var(--ink);
  box-shadow: 4px 4px 0 rgba(77, 208, 255, .32);
}
.btn--signal:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 rgba(77, 208, 255, .32);
}

.btn--ghost {
  border-color: var(--line-strong);
  color: var(--text-strong);
}
.btn--ghost:hover { border-color: var(--signal); color: var(--signal); }

.btn--quiet {
  padding-inline: .25rem;
  color: var(--electric);
}
.btn--quiet:hover { color: var(--signal); }

.btn--sm { font-size: .8rem; padding: .5rem .85rem; }
.btn--block { width: 100%; }

/* ---------- 7. Tag / card / notice ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .3rem .6rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  color: var(--mute);
  white-space: nowrap;
}
.tag--signal { border-color: rgba(216, 255, 62, .5); color: var(--signal); }
.tag--score { border-color: rgba(255, 59, 48, .5); color: var(--score); }
.tag--blue { border-color: rgba(77, 208, 255, .5); color: var(--electric); }

.card {
  position: relative;
  display: grid;
  gap: .7rem;
  align-content: start;
  padding: clamp(1.1rem, 2.4vw, 1.6rem);
  background: var(--moss);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 40px;
  height: 40px;
  border-top: 2px solid var(--signal);
  border-left: 2px solid var(--signal);
  opacity: .85;
  pointer-events: none;
}

.card--paper {
  background: var(--paper);
  color: var(--ink-text);
  border-color: rgba(11, 13, 12, .12);
  box-shadow: var(--shadow-print);
}
.card--paper::before { border-color: var(--moss); }

.card__label {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--electric);
}
.card--paper .card__label { color: #0b6d8a; }

.card__title { font-size: 1.15rem; color: var(--chalk); }
.card--paper .card__title { color: var(--ink); }

.card__text { font-size: .95rem; color: var(--text); }
.card--paper .card__text { color: var(--ink-text); }

.notice {
  display: flex;
  gap: .8rem;
  align-items: flex-start;
  padding: .9rem 1.05rem;
  border: 1px dashed rgba(216, 255, 62, .45);
  background: rgba(216, 255, 62, .05);
  border-radius: var(--radius);
  font-size: .92rem;
  color: var(--text-strong);
}
.notice--blue {
  border-color: rgba(77, 208, 255, .45);
  background: rgba(77, 208, 255, .06);
}

/* ---------- 8. Media（图片占位容器基础规则） ---------- */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--moss);
  background-image:
    repeating-linear-gradient(45deg, rgba(216, 255, 62, .06) 0 12px, transparent 12px 24px),
    linear-gradient(135deg, rgba(15, 43, 31, .95), rgba(6, 26, 18, .95));
}

.media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 26, 18, 0) 48%, rgba(6, 26, 18, .6) 100%);
  pointer-events: none;
}

.media--wide { aspect-ratio: 21 / 9; }
.media--tall { aspect-ratio: 4 / 5; }
.media--square { aspect-ratio: 1 / 1; }

.media__tag {
  position: absolute;
  left: .7rem;
  bottom: .7rem;
  z-index: 2;
  padding: .3rem .55rem;
  background: var(--ink);
  color: var(--signal);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .12em;
}

.media__caption {
  margin-top: .6rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .05em;
  color: var(--mute);
}

/* ---------- 9. Strip（横向滚动条带） ---------- */
.strip {
  display: flex;
  gap: clamp(.9rem, 2vw, 1.4rem);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: .35rem var(--gutter) 1.2rem;
  margin-inline: calc(var(--gutter) * -1);
  scrollbar-width: thin;
  scrollbar-color: var(--signal) rgba(245, 241, 230, .1);
}

.strip__item {
  flex: 0 0 clamp(240px, 72vw, 340px);
  scroll-snap-align: start;
}

.strip::-webkit-scrollbar { height: 6px; }
.strip::-webkit-scrollbar-track { background: rgba(245, 241, 230, .08); }
.strip::-webkit-scrollbar-thumb { background: var(--signal); border-radius: 99px; }

/* ---------- 10. Timeline ---------- */
.timeline {
  position: relative;
  display: grid;
  gap: 1.2rem;
  padding-left: 1.6rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: .35rem;
  top: .45rem;
  bottom: .45rem;
  width: 2px;
  background: linear-gradient(180deg, var(--signal), rgba(216, 255, 62, .06));
}

.timeline__item {
  position: relative;
  display: grid;
  gap: .3rem;
}

.timeline__item::before {
  content: "";
  position: absolute;
  left: -1.6rem;
  top: .55rem;
  width: .9rem;
  height: .9rem;
  border-radius: 50%;
  background: var(--pitch);
  border: 2px solid var(--signal);
}

.timeline__time {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--electric);
}

.timeline__title { font-size: 1.05rem; font-weight: 900; color: var(--chalk); }
.timeline__text { font-size: .95rem; color: var(--text); }

/* ---------- 11. Stat（比分 / 控球率数据组） ---------- */
.stat { display: grid; gap: .2rem; align-content: start; }

.stat__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  line-height: 1;
  color: var(--signal);
}

.stat__label {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .14em;
  color: var(--mute);
}

.stat--score .stat__value { color: var(--score); }
.stat--blue .stat__value { color: var(--electric); }

/* ---------- 12. Breadcrumb / anchor index ---------- */
.breadcrumb { padding-top: 1.1rem; }

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--mute);
}

.breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-inline: .5rem;
  color: var(--line-strong);
}

.breadcrumb__link { color: var(--mute); transition: color .2s var(--ease); }
.breadcrumb__link:hover { color: var(--signal); }
.breadcrumb__current { color: var(--text-strong); }

.anchor-index { display: grid; gap: .35rem; }

.anchor-index__link {
  display: flex;
  gap: .6rem;
  align-items: baseline;
  padding: .5rem .65rem;
  border-left: 2px solid var(--line);
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--mute);
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.anchor-index__link:hover {
  border-color: var(--signal);
  background: rgba(216, 255, 62, .05);
  color: var(--signal);
}

.anchor-index__num { font-size: .72rem; color: var(--electric); }

/* ---------- 13. Prose ---------- */
.prose {
  display: grid;
  gap: 1rem;
  max-width: 72ch;
  color: var(--text);
}

.prose h2 { font-size: clamp(1.3rem, 3vw, 1.7rem); margin-top: 1rem; }
.prose h3 { font-size: 1.1rem; }
.prose a { color: var(--electric); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { color: var(--signal); }

.prose ul { display: grid; gap: .5rem; }
.prose ul li { position: relative; padding-left: 1.05rem; }
.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 7px;
  height: 7px;
  background: var(--signal);
  border-radius: 1px;
  transform: skewX(-12deg);
}

.prose ol { display: grid; gap: .5rem; counter-reset: item; }
.prose ol li { position: relative; padding-left: 2rem; counter-increment: item; }
.prose ol li::before {
  content: counter(item, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .12rem;
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--signal);
}

.prose--paper { color: var(--ink-text); }
.prose--paper h2,
.prose--paper h3,
.prose--paper strong { color: var(--ink); }
.prose--paper a { color: #0b6d8a; }

/* ---------- 14. Skip link ---------- */
.skip-link {
  position: fixed;
  top: .6rem;
  left: .6rem;
  z-index: 200;
  padding: .7rem 1rem;
  background: var(--signal);
  color: var(--ink);
  font-weight: 800;
  font-size: .9rem;
  border-radius: var(--radius);
  transform: translateY(-180%);
  transition: transform .2s var(--ease);
}

.skip-link:focus { transform: translateY(0); }

/* ---------- 15. Header / masthead ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: linear-gradient(180deg, rgba(11, 13, 12, .98), rgba(6, 26, 18, .96));
  border-bottom: 1px solid rgba(216, 255, 62, .18);
}

.site-header__turf {
  height: 4px;
  background-image: repeating-linear-gradient(90deg, var(--signal) 0 26px, rgba(216, 255, 62, .12) 26px 52px);
  opacity: .7;
}

.masthead {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  max-width: var(--maxw);
  margin-inline: auto;
  padding: .9rem var(--gutter) .6rem;
}

.masthead__stamp {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  justify-self: start;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--mute);
}

.masthead__stamp::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--score);
  box-shadow: 0 0 0 3px rgba(255, 59, 48, .18);
  animation: stampPulse 2.4s ease-in-out infinite;
}

@keyframes stampPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .35; }
}

.masthead__brand {
  display: grid;
  gap: .1rem;
  justify-self: center;
  text-align: center;
}

.masthead__title {
  display: inline-block;
  font-size: clamp(1.35rem, 3.2vw, 2rem);
  font-weight: 900;
  letter-spacing: .06em;
  color: var(--chalk);
  transform: skewX(-4deg);
}

.masthead__tagline {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--signal);
}

.masthead__cta { justify-self: end; }

.site-header__bar {
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
  border-top: 1px solid var(--line);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: .6rem;
  padding: .85rem .1rem;
  font-size: .9rem;
  font-weight: 800;
  letter-spacing: .1em;
  color: var(--signal);
}

.nav-toggle__bars {
  position: relative;
  display: inline-block;
  width: 18px;
  height: 2px;
  background: currentColor;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: currentColor;
  transition: transform .22s var(--ease), opacity .22s var(--ease);
}
.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after { top: 6px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { transform: translateY(-6px) rotate(-45deg); }

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .3rem 1.35rem;
  padding: .3rem 0;
}

.site-nav__link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: .45rem;
  padding: .68rem .1rem;
  font-size: .95rem;
  font-weight: 700;
  color: var(--text);
  transition: color .22s var(--ease);
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: .35rem;
  height: 2px;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .26s var(--ease);
}

.site-nav__num {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .06em;
  color: var(--mute);
}

.site-nav__link:hover { color: var(--chalk); }
.site-nav__link:hover::after { transform: scaleX(1); }

.site-nav__link[aria-current="page"] { color: var(--signal); }
.site-nav__link[aria-current="page"]::after { transform: scaleX(1); }
.site-nav__link[aria-current="page"] .site-nav__num { color: var(--signal); }

/* ---------- 16. Footer ---------- */
.site-footer {
  position: relative;
  background: var(--ink);
  border-top: 1px solid var(--line);
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background-image: repeating-linear-gradient(90deg, rgba(216, 255, 62, .5) 0 26px, transparent 26px 52px);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.5fr;
  gap: clamp(1.5rem, 3.5vw, 2.75rem);
  max-width: var(--maxw);
  margin-inline: auto;
  padding: clamp(2.4rem, 5vw, 3.6rem) var(--gutter) clamp(1.6rem, 3vw, 2.2rem);
}

.footer-brand {
  display: grid;
  gap: .55rem;
  align-content: start;
  justify-items: start;
}

.footer-brand__name {
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: .05em;
  color: var(--chalk);
  transform: skewX(-4deg);
}

.footer-brand__tagline {
  max-width: 24ch;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--signal);
}

.footer-col {
  display: grid;
  gap: .7rem;
  align-content: start;
}

.footer-col__title {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .2em;
  color: var(--mute);
}

.footer-col__title::before {
  content: "";
  width: 14px;
  height: 2px;
  background: var(--signal);
}

.footer-list { display: grid; gap: .45rem; }

.footer-list__link {
  display: inline-block;
  font-size: .92rem;
  color: var(--text);
  transition: color .2s var(--ease), transform .2s var(--ease);
}

.footer-list__link:hover {
  color: var(--signal);
  transform: translateX(3px);
}

.footer-data { display: grid; gap: .5rem; }

.footer-data__row {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  gap: .6rem;
  font-size: .88rem;
}

.footer-data__key {
  padding-top: .15rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--mute);
}

.footer-data__val {
  color: var(--text-strong);
  line-height: 1.6;
  word-break: break-word;
}

.site-footer__base {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.5rem;
  justify-content: space-between;
  max-width: var(--maxw);
  margin-inline: auto;
  padding: 1rem var(--gutter) 1.6rem;
  border-top: 1px dashed rgba(245, 241, 230, .16);
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--mute);
}

/* ---------- 17. Motion ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}

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

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 120;
  pointer-events: none;
  background: linear-gradient(90deg, var(--signal), var(--electric));
  transform: scaleX(0);
  transform-origin: 0 50%;
}

@keyframes navDrop {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 18. Responsive ---------- */
@media (max-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .site-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  html { scroll-padding-top: 100px; }

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

  .masthead {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: .75rem;
    padding-block: .6rem;
  }

  .masthead__stamp { display: none; }

  .masthead__brand {
    justify-self: start;
    text-align: left;
    gap: 0;
  }

  .masthead__title { font-size: 1.15rem; }
  .masthead__tagline { display: none; }
  .masthead__cta { justify-self: end; }
  .masthead__cta .btn { font-size: .76rem; padding: .5rem .7rem; }

  .site-header__bar {
    display: flex;
    flex-direction: column;
  }

  .nav-toggle { display: inline-flex; align-self: flex-start; }

  .site-nav { display: none; width: 100%; }
  .site-nav[data-open] {
    display: block;
    animation: navDrop .24s var(--ease) both;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: .1rem 0 .9rem;
    border-top: 1px dashed rgba(245, 241, 230, .14);
  }

  .site-nav__item { border-bottom: 1px solid rgba(245, 241, 230, .09); }

  .site-nav__link {
    width: 100%;
    padding: .85rem .1rem;
    font-size: 1rem;
  }

  .site-nav__link::after { display: none; }

  .site-nav__link[aria-current="page"] { padding-left: .6rem; }
}

@media (max-width: 640px) {
  .site-footer__grid { grid-template-columns: minmax(0, 1fr); }
  .site-footer__base { flex-direction: column; }
  .footer-data__row { grid-template-columns: 2.6rem minmax(0, 1fr); }
}

/* ---------- 19. 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;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .masthead__stamp::before { animation: none; }
  .site-nav[data-open] { animation: none; }
  .scroll-progress { transition: none; }
}