/* ============================================================
   江南赛场 · 共享样式 /assets/site.css
   母题：水巷折线 · 切角面板 · 赛道虚线 · 坐标索引
   ============================================================ */

/* ---------- 1. reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, ul, ol, figure, blockquote, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, video { max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }

/* ---------- 2. tokens ---------- */
:root {
  --deep-water: #0B3B3C;
  --celadon-primary: #12615F;
  --celadon-mid: #2E8C86;
  --celadon-pale: #A8CFC9;
  --mist: #DCE7E3;
  --paper: #F5F2E9;
  --ink: #101A1C;
  --signal-orange: #E0530F;
  --signal-glow: #FF7A2F;
  --slate: #4A5A5A;

  --rail-w: 104px;
  --rail-w-open: 280px;
  --maxw: 1240px;
  --mobile-bar-h: 56px;
  --grid-gap: 24px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);

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

/* ---------- 3. base ---------- */
body {
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink);
  background-color: var(--paper);
  background-image: radial-gradient(rgba(16, 26, 28, 0.05) 0.8px, transparent 0.8px);
  background-size: 5px 5px;
  padding-left: var(--rail-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main { flex: 1 0 auto; }

h1, h2, h3, h4 {
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink);
}
h1 { font-size: clamp(34px, 5.6vw, 64px); }
h2 { font-size: clamp(26px, 3.8vw, 42px); }
h3 { font-size: clamp(20px, 2.2vw, 26px); line-height: 1.24; letter-spacing: -0.01em; }
h4 { font-size: 18px; line-height: 1.35; letter-spacing: 0; font-weight: 600; }

p { max-width: 34em; }
strong { font-weight: 700; }

a { color: var(--celadon-primary); text-underline-offset: 0.2em; }
a:hover { color: var(--signal-orange); }

::selection { background: var(--celadon-pale); color: var(--deep-water); }
:focus-visible { outline: 3px solid var(--signal-glow); outline-offset: 3px; }

/* ---------- 4. layout utilities ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 48px);
}
.section { padding-block: clamp(48px, 7vw, 104px); }
.section--tight { padding-block: clamp(32px, 4vw, 56px); }
.section--mist { background: var(--mist); }
.section--deep { background: var(--deep-water); color: var(--paper); }
.section--deep h1, .section--deep h2, .section--deep h3, .section--deep h4 { color: var(--paper); }
.section--deep a { color: var(--celadon-pale); }
.section--deep a:hover { color: var(--signal-glow); }

.grid { display: grid; gap: var(--grid-gap); }
.grid--12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

.rule {
  height: 2px;
  border: 0;
  background: repeating-linear-gradient(90deg, var(--celadon-mid) 0 12px, transparent 12px 24px);
  opacity: 0.5;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--celadon-primary);
}
.eyebrow::before {
  content: "";
  flex: none;
  width: 32px;
  height: 2px;
  background: var(--signal-orange);
}

.prose {
  max-width: 34em;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--ink);
}
.prose p + p { margin-top: 1.1em; }
.prose h2 { margin-top: 2em; margin-bottom: 0.6em; }
.prose h3 { margin-top: 1.6em; margin-bottom: 0.5em; }
.prose ul { max-width: 34em; }
.prose li { position: relative; padding-left: 1.5em; margin-top: 0.5em; }
.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 2px;
  background: var(--celadon-mid);
}

.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;
}

/* ---------- 5. components ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 0.72em 1.15em;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.2;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 0;
  cursor: pointer;
  transition: background 120ms var(--ease), color 120ms var(--ease),
              border-color 120ms var(--ease), transform 120ms var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn--signal { background: var(--signal-orange); border-color: var(--signal-orange); color: #FFF6EF; }
.btn--signal:hover { background: var(--signal-glow); border-color: var(--signal-glow); color: var(--deep-water); }
.btn--ghost { background: transparent; border-color: rgba(168, 207, 201, 0.5); color: var(--celadon-pale); }
.btn--ghost:hover { background: var(--celadon-pale); border-color: var(--celadon-pale); color: var(--deep-water); }
.btn--ink { background: var(--deep-water); border-color: var(--deep-water); color: var(--paper); }
.btn--ink:hover { background: var(--celadon-primary); border-color: var(--celadon-primary); color: var(--paper); }
.btn--block { width: 100%; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.4em 0.7em;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  background: rgba(168, 207, 201, 0.35);
  border: 1px solid rgba(18, 97, 95, 0.18);
  color: var(--celadon-primary);
}

.cut-panel {
  position: relative;
  padding: clamp(20px, 3vw, 32px);
  background: var(--mist);
  clip-path: polygon(18px 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%, 0 18px);
}
.cut-panel--paper { background: var(--paper); }
.cut-panel--deep { background: var(--deep-water); color: var(--paper); }
.cut-panel--lg {
  clip-path: polygon(32px 0, 100% 0, 100% calc(100% - 32px), calc(100% - 32px) 100%, 0 100%, 0 32px);
}

.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  background: linear-gradient(150deg, var(--mist), var(--celadon-pale));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}
.media-frame img, .media-frame svg, .media-frame video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-frame--wide { aspect-ratio: 16 / 9; }
.media-frame--photo { aspect-ratio: 3 / 2; }
.media-frame--tall { aspect-ratio: 4 / 5; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  margin: 0;
  max-width: none;
  padding: 0.5em 0.8em;
  font-size: 12px;
  letter-spacing: 0.1em;
  background: rgba(11, 59, 60, 0.82);
  color: var(--paper);
}

.breadcrumbs {
  margin-bottom: clamp(20px, 3vw, 32px);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--slate);
}
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 0.5em; }
.breadcrumbs li { display: flex; align-items: center; gap: 0.5em; }
.breadcrumbs li + li::before { content: "／"; color: var(--celadon-mid); }
.breadcrumbs a { color: inherit; text-decoration: none; }
.breadcrumbs a:hover { color: var(--signal-orange); }
.breadcrumbs [aria-current="page"] { color: var(--ink); }

.pulse-dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--signal-glow);
  animation: jn-pulse 2.4s var(--ease) infinite;
}
@keyframes jn-pulse {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.35); opacity: 0.2; }
}

[data-reveal].is-armed {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 480ms var(--ease), transform 480ms var(--ease);
}
[data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- 6. header ---------- */
.site-header { position: relative; z-index: 90; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  padding: 0.7em 1.1em;
  font-size: 13px;
  letter-spacing: 0.1em;
  background: var(--signal-orange);
  color: #FFF6EF;
  text-decoration: none;
  transform: translateY(-200%);
  transition: transform 160ms var(--ease);
}
.skip-link:focus { transform: translateY(0); color: #FFF6EF; }

.mobile-bar { display: none; }

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  background: transparent;
  border: 1px solid rgba(168, 207, 201, 0.45);
  border-radius: 0;
  color: var(--paper);
  cursor: pointer;
}
.nav-toggle__box { display: grid; gap: 4px; width: 18px; }
.nav-toggle__bar {
  display: block;
  height: 2px;
  background: currentColor;
  transition: transform 200ms var(--ease), opacity 200ms var(--ease);
}
.nav-toggle__text { font-size: 12px; letter-spacing: 0.14em; }
.site-header[data-open="true"] .nav-toggle__bar:first-child { transform: translateY(3px) rotate(45deg); }
.site-header[data-open="true"] .nav-toggle__bar:last-child { transform: translateY(-3px) rotate(-45deg); }

.nav-rail {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 80;
  width: var(--rail-w);
  overflow: hidden;
  color: var(--paper);
  background: linear-gradient(170deg, var(--deep-water) 0%, #0E4A47 55%, var(--celadon-primary) 100%);
  transition: width 260ms var(--ease);
}
.nav-rail::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  z-index: 1;
  height: 34%;
  background: linear-gradient(0deg, rgba(46, 140, 134, 0.5), transparent);
  pointer-events: none;
}
.rail-trace {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
  width: var(--rail-w);
  height: 100%;
  color: var(--celadon-mid);
  opacity: 0.42;
  pointer-events: none;
}
.nav-rail__inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  width: var(--rail-w-open);
  height: 100%;
  padding: 26px 22px 26px 24px;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
}
.rail-brand {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  text-decoration: none;
  color: var(--paper);
}
.rail-brand__cn {
  writing-mode: vertical-rl;
  font-size: 21px;
  font-weight: 200;
  letter-spacing: 0.3em;
  line-height: 1.1;
  color: inherit;
}
.rail-brand__en {
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.28em;
  color: var(--celadon-pale);
}
.rail-brand:hover { color: var(--signal-glow); }

.rail-tagline {
  margin-top: 20px;
  max-width: 15em;
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: 0.05em;
  color: var(--celadon-pale);
  opacity: 0;
  transform: translateX(-8px);
  pointer-events: none;
  transition: opacity 200ms var(--ease), transform 200ms var(--ease);
}

.rail-list { margin-top: 26px; display: grid; }
.rail-item { position: relative; }
.rail-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(168, 207, 201, 0.16);
  text-decoration: none;
  color: var(--paper);
  transition: color 140ms var(--ease);
}
.rail-link__idx {
  min-width: 2.4em;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--celadon-pale);
  transition: color 140ms var(--ease);
}
.rail-link__text {
  font-size: 15px;
  letter-spacing: 0.04em;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(-8px);
  pointer-events: none;
  transition: opacity 200ms var(--ease), transform 200ms var(--ease);
}
.rail-link:hover { color: var(--signal-glow); }
.rail-link:hover .rail-link__idx { color: var(--signal-glow); }
.rail-link[aria-current="page"] .rail-link__idx { color: var(--signal-glow); }
.rail-link[aria-current="page"] .rail-link__text { color: var(--signal-glow); font-weight: 600; }
.rail-link[aria-current="page"]::before {
  content: "";
  position: absolute;
  left: -16px;
  top: 50%;
  width: 8px;
  height: 8px;
  background: var(--signal-glow);
  transform: translateY(-50%) rotate(45deg);
}

.rail-actions {
  margin-top: auto;
  padding-top: 28px;
  display: grid;
  gap: 8px;
  opacity: 0;
  transform: translateX(-8px);
  pointer-events: none;
  transition: opacity 200ms var(--ease), transform 200ms var(--ease);
}
.rail-update {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--celadon-pale);
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 200ms var(--ease), transform 200ms var(--ease);
}
.rail-hint {
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(168, 207, 201, 0.62);
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 200ms var(--ease), transform 200ms var(--ease);
}

.rail-progress {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  z-index: 3;
  width: 2px;
  background: rgba(168, 207, 201, 0.22);
}
.rail-progress__fill {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, var(--signal-glow), var(--celadon-mid));
  transform: scaleY(0);
  transform-origin: top center;
}

.nav-scrim { display: none; }

/* 桌面端轨道展开 */
@media (min-width: 769px) {
  .nav-rail:focus-within { width: var(--rail-w-open); }
  .nav-rail:focus-within .rail-tagline,
  .nav-rail:focus-within .rail-link__text,
  .nav-rail:focus-within .rail-actions,
  .nav-rail:focus-within .rail-update,
  .nav-rail:focus-within .rail-hint {
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }
}
@media (hover: hover) and (min-width: 769px) {
  .nav-rail:hover { width: var(--rail-w-open); }
  .nav-rail:hover .rail-tagline,
  .nav-rail:hover .rail-link__text,
  .nav-rail:hover .rail-actions,
  .nav-rail:hover .rail-update,
  .nav-rail:hover .rail-hint {
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }
}

/* ---------- 7. footer ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(64px, 9vw, 128px);
  padding-block: clamp(56px, 7vw, 96px) clamp(24px, 3vw, 36px);
  background: var(--deep-water);
  color: var(--paper);
  overflow: hidden;
}
.site-footer::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -42%;
  width: min(900px, 120%);
  aspect-ratio: 1 / 1;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(46, 140, 134, 0.32), transparent 62%);
  pointer-events: none;
}
.footer-trace {
  position: absolute;
  inset: 0 0 auto 0;
  display: block;
  height: 3px;
  background: repeating-linear-gradient(90deg, var(--celadon-mid) 0 14px, transparent 14px 28px);
  opacity: 0.55;
}
.footer-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(36px, 5vw, 56px);
}
.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.35fr);
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}
.footer-brand {
  margin-bottom: 14px;
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  max-width: none;
}
.footer-brand__thin { font-weight: 200; color: var(--paper); }
.footer-brand__bold { font-weight: 900; color: var(--celadon-pale); }
.footer-tagline {
  margin-bottom: 18px;
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--celadon-pale);
}
.footer-summary {
  margin-bottom: 22px;
  max-width: 30em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 242, 233, 0.82);
}
.footer-cta { margin-top: 4px; }

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 32px);
}
.footer-col { min-width: 0; }
.footer-col__title {
  margin-bottom: 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--celadon-pale);
}
.footer-links { display: grid; gap: 9px; }
.footer-links a {
  display: inline-block;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: rgba(245, 242, 233, 0.9);
  text-decoration: none;
  transition: color 120ms var(--ease), transform 120ms var(--ease);
}
.footer-links a:hover { color: var(--signal-glow); transform: translateX(4px); }

.footer-contact {
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid rgba(168, 207, 201, 0.22);
}
.contact-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 32px);
}
.contact-item { display: grid; gap: 6px; min-width: 0; }
.contact-item__label {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--celadon-pale);
}
.contact-item__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.contact-item__value {
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.5;
  letter-spacing: 0;
  color: var(--paper);
  word-break: break-word;
}
.contact-item__value--text {
  font-family: var(--font-sans);
  font-size: 14px;
  letter-spacing: 0.02em;
}
.copy-btn {
  flex: none;
  padding: 0.35em 0.65em;
  font-size: 11px;
  letter-spacing: 0.16em;
  background: transparent;
  border: 1px solid rgba(168, 207, 201, 0.4);
  border-radius: 0;
  color: var(--celadon-pale);
  cursor: pointer;
  transition: background 120ms var(--ease), color 120ms var(--ease), border-color 120ms var(--ease);
}
.copy-btn:hover { background: var(--celadon-pale); border-color: var(--celadon-pale); color: var(--deep-water); }
.copy-btn.is-done { background: var(--signal-orange); border-color: var(--signal-orange); color: #FFF6EF; }

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(168, 207, 201, 0.18);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(168, 207, 201, 0.85);
}
.footer-legal__links { display: flex; flex-wrap: wrap; gap: 18px; margin-left: auto; }
.footer-legal a { color: var(--celadon-pale); text-decoration: none; }
.footer-legal a:hover { color: var(--signal-glow); }

/* ---------- 8. responsive ---------- */
@media (max-width: 1024px) {
  .footer-top { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .grid--12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .contact-list { grid-template-columns: 1fr; gap: 18px; }
}

@media (max-width: 768px) {
  body {
    padding-left: 0;
    padding-top: var(--mobile-bar-h);
    font-size: 15px;
    line-height: 1.7;
  }
  .skip-link { top: calc(var(--mobile-bar-h) + 10px); left: 12px; }

  .mobile-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 95;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--mobile-bar-h);
    padding-inline: 16px;
    background: var(--deep-water);
    border-bottom: 1px solid rgba(168, 207, 201, 0.22);
  }
  .mobile-brand {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 17px;
    font-weight: 300;
    letter-spacing: 0.14em;
    color: var(--paper);
    text-decoration: none;
  }
  .mobile-brand:hover { color: var(--signal-glow); }
  .mobile-brand__dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    background: var(--signal-glow);
    transform: rotate(45deg);
  }

  .nav-rail {
    top: var(--mobile-bar-h);
    width: min(310px, 86vw);
    transform: translateX(-101%);
    transition: transform 240ms var(--ease);
  }
  .site-header[data-open="true"] .nav-rail { transform: none; }
  .nav-rail__inner { width: 100%; padding: 24px 20px 28px; }
  .rail-trace { display: none; }
  .rail-progress { display: none; }

  .rail-brand { flex-direction: row; align-items: baseline; gap: 12px; }
  .rail-brand__cn { writing-mode: horizontal-tb; font-size: 22px; letter-spacing: 0.16em; }
  .rail-brand__en { writing-mode: horizontal-tb; letter-spacing: 0.3em; }
  .rail-tagline { opacity: 1; transform: none; pointer-events: auto; max-width: 22em; }
  .rail-link { padding: 13px 0; }
  .rail-link__text { opacity: 1; transform: none; pointer-events: auto; }
  .rail-link[aria-current="page"]::before { left: -20px; }
  .rail-actions { opacity: 1; transform: none; pointer-events: auto; }
  .rail-update { opacity: 1; transform: none; }
  .rail-hint { display: none; }

  .nav-scrim {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 70;
    background: rgba(11, 59, 60, 0.62);
    opacity: 0;
    pointer-events: none;
    transition: opacity 240ms var(--ease);
  }
  .site-header[data-open="true"] .nav-scrim { opacity: 1; pointer-events: auto; }

  html.nav-open { overflow: hidden; }

  .footer-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-legal__links { margin-left: 0; }
  .footer-summary { max-width: none; }
}

@media (max-width: 420px) {
  .footer-cols { grid-template-columns: 1fr; }
  .contact-item__row { justify-content: flex-start; }
}

/* ---------- 9. 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;
  }
  .pulse-dot { animation: none; opacity: 0.9; }
  [data-reveal].is-armed { opacity: 1; transform: none; }
}