/* =========================================================
   星空体育中文站 · 共享样式 /assets/site.css
   观星台视觉语法：深空底、轨道线、刻度框景、暖金锚点
   ========================================================= */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  background: #070B1A;
}

body, h1, h2, h3, h4, h5, h6, p, ul, ol, li, dl, dd, figure, blockquote, fieldset, legend {
  margin: 0;
}
ul, ol { padding: 0; }
ul[class], ol[class] { list-style: none; }
img, svg, video, canvas { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }
table { border-collapse: collapse; width: 100%; }
[hidden] { display: none !important; }

/* ---------- 2. Design tokens ---------- */
:root {
  /* 色彩 */
  --void: #070B1A;
  --night: #0E1630;
  --nebula: #6C4DFF;
  --electric: #22D3EE;
  --gold: #F2B84B;
  --paper: #F4F6FF;
  --stargray: #9AA7C7;
  --moss: #7BC8A4;
  --rockgray: #5B6478;

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

  /* 字号阶梯 */
  --fs-12: 12px;
  --fs-14: 14px;
  --fs-16: 16px;
  --fs-18: 18px;
  --fs-24: 24px;
  --fs-32: 32px;
  --fs-48: 48px;
  --fs-72: 72px;
  --fs-96: 96px;

  /* 结构 */
  --rail-w: 280px;
  --topbar-h: 64px;
  --gutter: clamp(18px, 3.4vw, 46px);
  --maxw: 1160px;

  /* 线条与光 */
  --hair: rgba(154, 167, 199, 0.20);
  --hair-strong: rgba(154, 167, 199, 0.42);
  --hair-dim: rgba(154, 167, 199, 0.10);
  --glow-cyan: 0 0 12px rgba(34, 211, 238, 0.55);
  --shadow-panel: 0 30px 70px -48px rgba(34, 211, 238, 0.7);
}

/* ---------- 3. Base ---------- */
body {
  min-height: 100vh;
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: var(--fs-16);
  line-height: 1.75;
  letter-spacing: 0;
  background-color: var(--void);
  background-image:
    radial-gradient(1px 1px at 26px 38px, rgba(244, 246, 255, 0.48), transparent 100%),
    radial-gradient(1px 1px at 142px 110px, rgba(244, 246, 255, 0.30), transparent 100%),
    radial-gradient(1.4px 1.4px at 248px 62px, rgba(34, 211, 238, 0.36), transparent 100%),
    radial-gradient(1px 1px at 78px 218px, rgba(244, 246, 255, 0.24), transparent 100%),
    radial-gradient(1200px 900px at 78% -14%, rgba(108, 77, 255, 0.20), transparent 62%),
    radial-gradient(900px 780px at 4% 22%, rgba(34, 211, 238, 0.09), transparent 66%);
  background-size: 320px 320px, 320px 320px, 320px 320px, 320px 320px, 100% 100%, 100% 100%;
  background-repeat: repeat, repeat, repeat, repeat, no-repeat, no-repeat;
  -webkit-font-smoothing: antialiased;
}

/* 桌面端为左侧轨道让出空间 */
@media (min-width: 1024px) {
  html body { padding-left: var(--rail-w); }
}
@media (max-width: 1023px) {
  html body { padding-top: var(--topbar-h); }
}

html.is-nav-open { overflow: hidden; }

::selection { background: rgba(108, 77, 255, 0.55); color: #fff; }

:where(a, button, [tabindex]):focus-visible {
  outline: 2px solid var(--electric);
  outline-offset: 3px;
}

/* ---------- 4. Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.2;
  color: var(--paper);
}
h1 { font-size: clamp(2.6rem, 6vw, 5.6rem); }
h2 { font-size: clamp(1.8rem, 3.2vw, 3.2rem); }
h3 { font-size: clamp(1.15rem, 1.8vw, 1.5rem); }
h4 { font-size: var(--fs-18); }
p { max-width: 74ch; }

.mono { font-family: var(--font-mono); font-weight: 600; letter-spacing: 0.02em; }
.num-gold { font-family: var(--font-mono); font-weight: 600; color: var(--gold); letter-spacing: 0.02em; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--electric);
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: linear-gradient(90deg, var(--electric), rgba(34, 211, 238, 0));
}

.lede {
  max-width: 72ch;
  font-size: var(--fs-18);
  line-height: 1.78;
  color: #D7DEF5;
}

.note {
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--stargray);
}

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

.section {
  padding-block: clamp(36px, 5vw, 76px);
}

.rule {
  height: 1px;
  border: 0;
  background: var(--hair);
  margin-block: clamp(20px, 3vw, 36px);
}

.grid {
  display: grid;
  gap: clamp(14px, 2vw, 26px);
}
.grid--12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; }
.span-8 { grid-column: span 8; }
.span-9 { grid-column: span 9; }
.span-12 { grid-column: span 12; }

.section-head {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: clamp(18px, 3vw, 34px);
}
.section-title {
  font-size: clamp(1.55rem, 2.6vw, 2.4rem);
  letter-spacing: 0.04em;
}

/* ---------- 6. Panels & frames ---------- */
.panel {
  position: relative;
  padding: clamp(18px, 2.4vw, 30px);
  background: linear-gradient(158deg, rgba(14, 22, 48, 0.94), rgba(14, 22, 48, 0.55));
  border: 1px solid var(--hair);
  box-shadow: var(--shadow-panel);
}

.panel--frame::before,
.panel--frame::after {
  content: "";
  position: absolute;
  width: 15px;
  height: 15px;
  border: 1px solid var(--electric);
  opacity: 0.65;
  pointer-events: none;
}
.panel--frame::before {
  top: -1px; left: -1px;
  border-right: 0; border-bottom: 0;
}
.panel--frame::after {
  right: -1px; bottom: -1px;
  border-left: 0; border-top: 0;
}

/* 图片容器基础规则，供页面阶段放置真实图片 */
.media-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--hair);
  background-color: var(--night);
  background-image:
    radial-gradient(120% 92% at 18% 0%, rgba(108, 77, 255, 0.42), transparent 62%),
    radial-gradient(96% 86% at 92% 100%, rgba(34, 211, 238, 0.26), transparent 60%);
}
.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(154, 167, 199, 0.14) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(154, 167, 199, 0.14) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(120% 120% at 50% 50%, #000 35%, transparent 100%);
  -webkit-mask-image: radial-gradient(120% 120% at 50% 50%, #000 35%, transparent 100%);
  opacity: 0.55;
}
.media-frame > img,
.media-frame > picture > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--tall { aspect-ratio: 3 / 4; }

/* ---------- 7. Tags ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border: 1px solid var(--hair-strong);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--stargray);
  white-space: nowrap;
}
.tag--gold {
  color: var(--gold);
  border-color: rgba(242, 184, 75, 0.46);
  background: rgba(242, 184, 75, 0.07);
}
.tag--live {
  color: var(--moss);
  border-color: rgba(123, 200, 164, 0.42);
}

/* ---------- 8. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 22px;
  font-size: var(--fs-14);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #fff;
  background: var(--nebula);
  border: 1px solid var(--nebula);
  transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}
.btn:hover { background: #5A3BE8; border-color: var(--electric); }
.btn:active { background: #4A2FD8; }

.btn--ghost {
  color: var(--paper);
  background: transparent;
  border-color: var(--hair-strong);
}
.btn--ghost:hover {
  color: var(--electric);
  border-color: var(--electric);
  background: rgba(34, 211, 238, 0.08);
}

.btn--gold {
  color: #161005;
  background: var(--gold);
  border-color: var(--gold);
}
.btn--gold:hover { background: #FFCE6B; border-color: #FFCE6B; }

/* ---------- 9. Breadcrumb ---------- */
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--stargray);
}
.breadcrumb li { display: inline-flex; align-items: center; gap: 8px; }
.breadcrumb li + li::before {
  content: "/";
  color: var(--rockgray);
}
.breadcrumb a { color: var(--electric); }
.breadcrumb a:hover { text-decoration: underline; text-underline-offset: 3px; }
.breadcrumb [aria-current="page"] { color: var(--paper); }

/* ---------- 10. Expander ---------- */
.expander {
  border-top: 1px solid var(--hair);
}
.expander:last-child { border-bottom: 1px solid var(--hair); }

.expander-btn {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 2px;
  text-align: left;
  font-size: var(--fs-16);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--paper);
  transition: color 0.2s ease;
}
.expander-btn:hover { color: var(--electric); }

.exp-icon {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
}
.exp-icon::before,
.exp-icon::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: var(--electric);
  transform: translateY(-50%);
}
.exp-icon::after {
  transform: translateY(-50%) rotate(90deg);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.expander-btn[aria-expanded="true"] .exp-icon::after {
  transform: translateY(-50%) rotate(0deg);
  opacity: 0;
}

.expander-panel {
  padding: 0 2px 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--stargray);
}

/* ---------- 11. Skip link & scroll progress ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 300;
  padding: 10px 18px;
  font-size: var(--fs-14);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: #04121A;
  background: var(--electric);
  transform: translateY(-220%);
  transition: transform 0.2s ease;
}
.skip-link:focus { transform: translateY(0); }

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 200;
  pointer-events: none;
}
.scroll-progress span {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--nebula), var(--electric) 62%, var(--gold));
}

/* ---------- 12. Header / rail ---------- */
.site-header {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 60;
  width: var(--rail-w);
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 26px 22px 22px;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--rockgray) transparent;
  background: linear-gradient(180deg, rgba(14, 22, 48, 0.97) 0%, rgba(7, 11, 26, 0.99) 100%);
  border-right: 1px solid var(--hair);
}
.site-header::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 1px;
  pointer-events: none;
  background: repeating-linear-gradient(
    180deg,
    rgba(154, 167, 199, 0.55) 0 1px,
    transparent 1px 13px
  );
  opacity: 0.55;
}

.rail-top { display: flex; flex-direction: column; gap: 12px; }

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--paper);
}
.brand-mark {
  position: relative;
  flex: none;
  width: 26px;
  height: 26px;
}
.brand-mark::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid var(--electric);
  opacity: 0.55;
}
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--paper);
  box-shadow: 0 0 12px 2px rgba(34, 211, 238, 0.85);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-name {
  font-size: var(--fs-18);
  font-weight: 700;
  letter-spacing: 0.08em;
}
.brand-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--stargray);
}
.brand-tagline {
  max-width: 22ch;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stargray);
}

.nav-toggle { display: none; }
.nav-toggle-bars { display: grid; gap: 5px; }
.nav-toggle-bars span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.site-nav {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1 1 auto;
}

.nav-caption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--rockgray);
  text-transform: uppercase;
}

.nav-list {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding-left: 18px;
}
.nav-list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 16px;
  bottom: 16px;
  width: 1px;
  background: linear-gradient(
    180deg,
    rgba(34, 211, 238, 0.55),
    rgba(108, 77, 255, 0.35) 58%,
    rgba(154, 167, 199, 0.10)
  );
}

.nav-link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0;
  font-size: var(--fs-14);
  letter-spacing: 0.08em;
  color: var(--stargray);
  border-bottom: 1px solid var(--hair-dim);
  transition: color 0.25s ease;
}
.nav-link::before {
  content: "";
  position: absolute;
  left: -16px;
  top: 50%;
  width: 6px;
  height: 6px;
  margin-top: -3px;
  border-radius: 50%;
  border: 1px solid var(--rockgray);
  background: var(--void);
  transition: background-color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.nav-link:hover { color: var(--paper); }
.nav-link:hover::before { border-color: var(--electric); box-shadow: 0 0 8px rgba(34, 211, 238, 0.7); }

.nav-link[aria-current="page"] { color: var(--paper); font-weight: 600; }
.nav-link[aria-current="page"]::before {
  background: var(--electric);
  border-color: var(--electric);
  box-shadow: 0 0 10px 2px rgba(34, 211, 238, 0.85);
}

.nav-idx {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--rockgray);
}
.nav-link[aria-current="page"] .nav-idx { color: var(--electric); }
.nav-text { flex: 1 1 auto; }

.nav-cta { width: 100%; }

.rail-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 4px;
  border-top: 1px solid var(--hair-dim);
}
.rail-meta-line {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--stargray);
}
.rail-meta-line--dim { color: var(--rockgray); font-family: var(--font-mono); }

.nav-scrim {
  position: fixed;
  inset: 0;
  z-index: 1;
  background: rgba(4, 7, 16, 0.74);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

/* ---------- 13. Footer ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 8vw, 110px);
  padding: clamp(38px, 5.5vw, 70px) var(--gutter) 26px;
  background: linear-gradient(180deg, rgba(14, 22, 48, 0.92), rgba(7, 11, 26, 0.99));
  border-top: 1px solid var(--hair);
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: repeating-linear-gradient(
    90deg,
    rgba(154, 167, 199, 0.5) 0 1px,
    transparent 1px 16px
  );
  opacity: 0.6;
}

.footer-inner {
  max-width: var(--maxw);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.4fr;
  gap: clamp(26px, 4vw, 54px);
  padding-bottom: clamp(28px, 4vw, 46px);
  border-bottom: 1px solid var(--hair);
}

.footer-brand { display: flex; flex-direction: column; gap: 14px; }
.brand--footer .brand-name { font-size: var(--fs-16); }
.footer-summary {
  max-width: 30ch;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--stargray);
}
.footer-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-12);
  letter-spacing: 0.05em;
  color: var(--rockgray);
}
.footer-status-dot {
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--moss);
  box-shadow: 0 0 8px rgba(123, 200, 164, 0.8);
}

.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col-title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--electric);
  text-transform: uppercase;
}

.footer-list { display: flex; flex-direction: column; gap: 9px; }
.footer-list a {
  font-size: var(--fs-14);
  letter-spacing: 0.03em;
  color: var(--stargray);
  transition: color 0.2s ease;
}
.footer-list a:hover { color: var(--electric); }

.footer-contact { display: flex; flex-direction: column; gap: 12px; }
.footer-list--contact { gap: 0; }
.footer-list--contact li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 7px 0;
  border-bottom: 1px solid var(--hair-dim);
}
.footer-contact-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--rockgray);
}
.footer-contact-value {
  font-size: 13px;
  line-height: 1.65;
  color: var(--stargray);
  word-break: break-word;
}

.footer-legal {
  max-width: var(--maxw);
  margin-inline: auto;
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 28px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--rockgray);
}
.footer-legal-icp { font-family: var(--font-mono); }
.footer-legal-copy { font-family: var(--font-mono); }

/* ---------- 14. Back to top ---------- */
.to-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 90;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  font-size: var(--fs-16);
  color: var(--electric);
  background: rgba(14, 22, 48, 0.94);
  border: 1px solid var(--hair-strong);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease, border-color 0.25s ease;
}
.to-top[data-visible] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.to-top:hover { border-color: var(--electric); }

/* ---------- 15. Reveal ---------- */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
html.js [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}
html.js [data-reveal][data-delay="1"] { transition-delay: 0.08s; }
html.js [data-reveal][data-delay="2"] { transition-delay: 0.16s; }
html.js [data-reveal][data-delay="3"] { transition-delay: 0.24s; }

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

/* ---------- 16. Tablet ---------- */
@media (max-width: 1180px) {
  .footer-inner { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-contact { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .span-3, .span-4, .span-5 { grid-column: span 6; }
  .span-7, .span-8, .span-9 { grid-column: span 12; }
}

/* ---------- 17. Mobile: rail becomes drawer ---------- */
@media (max-width: 1023px) {
  .site-header {
    inset: 0 0 auto 0;
    width: 100%;
    height: var(--topbar-h);
    flex-direction: row;
    align-items: center;
    gap: 14px;
    padding: 0 16px;
    overflow: visible;
    border-right: 0;
    border-bottom: 1px solid var(--hair);
  }
  .site-header::after { display: none; }

  .rail-top { flex-direction: row; align-items: center; gap: 0; }
  .brand-mark { width: 22px; height: 22px; }
  .brand-mark::after { width: 7px; height: 7px; }
  .brand-name { font-size: var(--fs-16); }
  .brand-sub { display: none; }
  .brand-tagline { display: none; }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin-left: auto;
    padding: 8px 12px;
    font-size: var(--fs-12);
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--paper);
    border: 1px solid var(--hair-strong);
    transition: border-color 0.25s ease, color 0.25s ease;
  }
  .nav-toggle:hover { border-color: var(--electric); color: var(--electric); }
  .site-header[data-open] .nav-toggle-bars span:first-child {
    transform: translateY(3.25px) rotate(45deg);
  }
  .site-header[data-open] .nav-toggle-bars span:last-child {
    transform: translateY(-3.25px) rotate(-45deg);
  }

  .site-nav {
    position: fixed;
    top: var(--topbar-h);
    left: 0;
    right: 0;
    z-index: 2;
    max-height: calc(100vh - var(--topbar-h));
    padding: 20px var(--gutter) 26px;
    overflow-y: auto;
    overscroll-behavior: contain;
    background: linear-gradient(180deg, #0E1630 0%, #070B1A 100%);
    border-bottom: 1px solid var(--hair-strong);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.25s ease, transform 0.3s ease, visibility 0.25s ease;
  }
  .site-header[data-open] .site-nav {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-header[data-open] .nav-scrim {
    opacity: 1;
    visibility: visible;
  }
  .nav-scrim { inset: var(--topbar-h) 0 0 0; }

  .nav-list { gap: 0; }
  .nav-link { padding: 13px 0; font-size: 15px; }

  .to-top { right: 14px; bottom: 14px; }
}

@media (min-width: 1024px) {
  .nav-scrim { display: none; }
}

/* ---------- 18. Small phones ---------- */
@media (max-width: 700px) {
  .grid--12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .span-3, .span-4, .span-5, .span-6 { grid-column: span 6; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-contact { grid-column: 1 / -1; }
  .footer-legal { gap: 6px 18px; font-size: 12px; }
}

@media (max-width: 460px) {
  .footer-inner { grid-template-columns: 1fr; }
  .footer-list--contact li { grid-template-columns: 38px minmax(0, 1fr); }
}

/* ---------- 19. 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;
  }
  html.js [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}