/* =========================================================
   YABOSPORTS CN · shared site kit
   /assets/site.css
   ========================================================= */

*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body,
h1, h2, h3, h4, h5, p,
ul, ol, li,
figure, figcaption,
blockquote, dl, dd { margin: 0; padding: 0; }

ul[class],
ol[class] { list-style: none; }

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

button { font: inherit; color: inherit; background: none; border: 0; }

:where(a) { color: var(--c-cyan); }

:focus-visible {
  outline: 2px solid var(--c-lime);
  outline-offset: 3px;
}

/* ---------- design tokens ---------- */
:root {
  --c-deep: #061225;
  --c-night: #0B1E38;
  --c-cyan: #18E0E8;
  --c-lime: #C6FF3D;
  --c-magenta: #FF2D7A;
  --c-mist: #F4F8FB;
  --c-ink: #0A0A0C;
  --c-slate: #8FA3B8;
  --c-ice: #A8F7F5;
  --c-paper: #DDE5EC;

  --font-display: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-editorial: "Songti SC", "SimSun", Georgia, "Times New Roman", serif;
  --font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --wrap-max: 1440px;
  --text-max: 68ch;
  --radius-frame: clamp(20px, 3vw, 36px);
  --radius-pill: 999px;
  --line: rgba(143, 163, 184, 0.26);
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* ---------- base typography ---------- */
body {
  margin: 0;
  min-height: 100%;
  background: var(--c-deep);
  color: var(--c-mist);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.025em;
  line-height: 1.12;
  text-wrap: balance;
}

p { max-width: var(--text-max); orphans: 3; widows: 3; }

strong { font-weight: 800; }

::selection {
  background: var(--c-cyan);
  color: var(--c-deep);
}

#main-content { display: block; scroll-margin-top: 104px; }

/* ---------- utilities ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap-max);
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 48px);
}

.section {
  position: relative;
  padding-block: clamp(48px, 7vw, 104px);
}

.section--night { background: var(--c-night); }

.section--mist {
  background: var(--c-mist);
  color: var(--c-ink);
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.rule {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, rgba(143, 163, 184, 0.4), rgba(143, 163, 184, 0));
}

/* ---------- editorial bits ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.eyebrow::before {
  content: "";
  display: block;
  width: 24px;
  height: 1px;
  background: currentColor;
}

.lede {
  font-family: var(--font-editorial);
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  line-height: 1.72;
  opacity: 0.78;
  max-width: 58ch;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(24, 224, 232, 0.35);
  background: rgba(24, 224, 232, 0.08);
  color: var(--c-ice);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 13px 26px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.18s var(--ease), background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.btn:hover { transform: translateY(-2px); }

.btn--primary {
  background: var(--c-cyan);
  color: var(--c-deep);
  box-shadow: 0 14px 30px -18px rgba(24, 224, 232, 0.95);
}
.btn--primary:hover { background: var(--c-ice); }

.btn--ghost {
  border-color: rgba(168, 247, 245, 0.34);
  color: var(--c-mist);
}
.btn--ghost:hover {
  border-color: var(--c-cyan);
  color: var(--c-ice);
  background: rgba(24, 224, 232, 0.08);
}

.btn--accent {
  background: var(--c-lime);
  color: var(--c-ink);
  box-shadow: 0 14px 30px -18px rgba(198, 255, 61, 0.9);
}
.btn--accent:hover { background: #d8ff74; }

/* ---------- breadcrumb ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-slate);
}

.breadcrumb li { display: inline-flex; align-items: center; }

.breadcrumb li + li::before {
  content: "/";
  margin-right: 0.4rem;
  color: rgba(143, 163, 184, 0.45);
}

.breadcrumb a {
  color: var(--c-slate);
  text-decoration: none;
  transition: color 0.18s ease;
}
.breadcrumb a:hover { color: var(--c-cyan); }

.breadcrumb [aria-current="page"] { color: var(--c-ice); }

/* ---------- data bar ---------- */
.databar {
  --databar-speed: 26s;
  position: relative;
  overflow: hidden;
  padding-block: 11px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(24, 224, 232, 0.07), rgba(11, 30, 56, 0.24) 55%, rgba(255, 45, 122, 0.07));
}

.databar__track {
  display: flex;
  width: max-content;
  gap: 2.5rem;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-ice);
  animation: datadrift var(--databar-speed) linear infinite;
}

.databar__track > * {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}

.databar__track > *::after {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--c-lime);
}

.databar:hover .databar__track,
.databar:focus-within .databar__track { animation-play-state: paused; }

@keyframes datadrift {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-50%, 0, 0); }
}

/* ---------- media frame ---------- */
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  isolation: isolate;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-frame);
  border: 1px solid rgba(24, 224, 232, 0.2);
  background:
    linear-gradient(135deg, rgba(24, 224, 232, 0.16), rgba(11, 30, 56, 0.96) 58%),
    var(--c-night);
}

.media-frame img,
.media-frame picture > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.04) saturate(1.02);
}

.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--portrait { aspect-ratio: 3 / 4; }
.media-frame--square { aspect-ratio: 1 / 1; }

.media-frame::after {
  content: "";
  position: absolute;
  right: 14px;
  bottom: 14px;
  width: 44px;
  height: 44px;
  border-right: 2px solid rgba(198, 255, 61, 0.55);
  border-bottom: 2px solid rgba(198, 255, 61, 0.55);
  border-radius: 0 0 14px 0;
  pointer-events: none;
}

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

.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ---------- panel ---------- */
.panel {
  padding: clamp(20px, 3vw, 36px);
  border-radius: var(--radius-frame);
  border: 1px solid rgba(143, 163, 184, 0.2);
  background: linear-gradient(155deg, rgba(11, 30, 56, 0.94), rgba(6, 18, 37, 0.94));
}

/* ---------- reveal ---------- */
@media (prefers-reduced-motion: no-preference) {
  [data-reveal] {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.6s ease, transform 0.6s var(--ease);
    will-change: opacity, transform;
  }
  [data-reveal].is-revealed {
    opacity: 1;
    transform: none;
  }
}

/* =========================================================
   SKIP LINK
   ========================================================= */
.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 400;
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  background: var(--c-lime);
  color: var(--c-deep);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-decoration: none;
  transform: translateY(-180%);
  transition: transform 0.2s var(--ease);
}

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

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  padding: clamp(10px, 1.6vw, 20px) clamp(12px, 3vw, 36px) 0;
  pointer-events: none;
}

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

.nav-shell {
  position: relative;
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.6vw, 22px);
  width: 100%;
  max-width: var(--wrap-max);
  margin-inline: auto;
  padding: 10px 10px 10px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(24, 224, 232, 0.22);
  background: rgba(6, 18, 37, 0.8);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  backdrop-filter: blur(16px) saturate(150%);
  box-shadow: 0 20px 46px -26px rgba(0, 0, 0, 0.95);
  transition: background-color 0.28s ease, border-color 0.28s ease, padding 0.28s ease, box-shadow 0.28s ease;
}

.site-header.is-condensed .nav-shell {
  padding: 6px 8px 6px 14px;
  background: rgba(6, 18, 37, 0.95);
  border-color: rgba(24, 224, 232, 0.44);
  box-shadow: 0 16px 38px -22px rgba(0, 0, 0, 1), 0 0 26px -14px rgba(24, 224, 232, 0.7);
}

/* brand */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  color: var(--c-mist);
  text-decoration: none;
  transition: opacity 0.2s ease;
}
.brand:hover { opacity: 0.86; }

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  border-radius: 13px;
  background: linear-gradient(142deg, var(--c-cyan) 0%, #0f9aa2 62%, #0a6d74 100%);
  color: var(--c-deep);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.26);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 0.96rem;
  letter-spacing: -0.02em;
  color: var(--c-mist);
}

.brand-sub {
  margin-top: 3px;
  font-family: var(--font-mono);
  font-size: 0.56rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-slate);
}

/* toggle */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  min-height: 42px;
  padding: 0 15px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(168, 247, 245, 0.32);
  background: rgba(24, 224, 232, 0.1);
  color: var(--c-ice);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.nav-toggle-icon {
  display: grid;
  gap: 4px;
  width: 16px;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.22s var(--ease), opacity 0.18s ease;
}

.nav-toggle[aria-expanded="true"] {
  background: var(--c-lime);
  border-color: transparent;
  color: var(--c-deep);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:first-child {
  transform: translateY(3px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:last-child {
  transform: translateY(-3px) rotate(-45deg);
}

/* panel + nav */
.nav-panel {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(10px, 2vw, 28px);
}

.nav { min-width: 0; }

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: nowrap;
}

.nav-item { flex: 0 0 auto; }

.nav-link {
  position: relative;
  display: block;
  padding: 9px clamp(8px, 1vw, 14px);
  border-radius: var(--radius-pill);
  color: rgba(244, 248, 251, 0.78);
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s ease, background-color 0.18s ease, box-shadow 0.18s ease;
}

.nav-link:hover {
  color: var(--c-ice);
  background: rgba(24, 224, 232, 0.13);
}

.nav-link[aria-current="page"] {
  color: var(--c-deep);
  background: var(--c-cyan);
  box-shadow: 0 0 24px -10px rgba(24, 224, 232, 0.95);
}

.nav-aside {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.nav-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(198, 255, 61, 0.28);
  background: rgba(198, 255, 61, 0.07);
  color: var(--c-lime);
  font-family: var(--font-mono);
  font-size: 0.63rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav-status-text { display: inline; }

.status-dot {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--c-lime);
  animation: statusPulse 2.6s ease-out infinite;
}

@keyframes statusPulse {
  0%   { box-shadow: 0 0 0 0 rgba(198, 255, 61, 0.55); }
  70%  { box-shadow: 0 0 0 7px rgba(198, 255, 61, 0); }
  100% { box-shadow: 0 0 0 0 rgba(198, 255, 61, 0); }
}

.nav-help {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45em;
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  background: var(--c-lime);
  color: var(--c-deep);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 0.18s var(--ease), background-color 0.18s ease, box-shadow 0.18s ease;
}

.nav-help:hover {
  background: #d8ff74;
  transform: translateY(-1px);
  box-shadow: 0 12px 24px -16px rgba(198, 255, 61, 0.95);
}

/* progress */
.nav-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 200;
  width: 0;
  height: 2px;
  pointer-events: none;
  background: linear-gradient(90deg, var(--c-cyan), var(--c-lime) 68%, var(--c-magenta));
  transition: width 0.12s linear;
}

/* header responsive */
@media (max-width: 1180px) and (min-width: 961px) {
  .nav-status-text { display: none; }
  .nav-link { font-size: 0.8rem; padding: 9px 9px; }
  .nav-help { padding: 9px 14px; }
}

@media (max-width: 960px) {
  .nav-toggle { display: inline-flex; }

  .nav-panel {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
    padding: 16px;
    border-radius: 26px;
    border: 1px solid rgba(24, 224, 232, 0.3);
    background: rgba(6, 18, 37, 0.98);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    box-shadow: 0 30px 64px -34px rgba(0, 0, 0, 1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.99);
    transition: opacity 0.2s ease, transform 0.24s var(--ease), visibility 0.24s;
  }

  .nav-shell[data-open="true"] .nav-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .nav-link {
    padding: 12px 14px;
    border-radius: 16px;
    font-size: 0.95rem;
  }

  .nav-aside {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding-top: 14px;
    border-top: 1px solid rgba(143, 163, 184, 0.22);
  }

  .nav-status { justify-content: center; }
  .nav-status-text { display: inline; }
  .nav-help { padding: 12px 16px; }
}

@media (max-width: 420px) {
  .brand-sub { display: none; }
  .brand-mark { width: 32px; height: 32px; border-radius: 11px; }
}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin-top: clamp(60px, 9vw, 130px);
  padding: clamp(48px, 7vw, 96px) clamp(16px, 4vw, 48px) 28px;
  border-top: 1px solid rgba(24, 224, 232, 0.2);
  background: var(--c-deep);
  color: var(--c-mist);
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 140px;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(11, 30, 56, 0.9), rgba(11, 30, 56, 0));
}

.footer-terrain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.9;
  background-image:
    radial-gradient(760px 320px at 8% 6%, rgba(24, 224, 232, 0.12), transparent 68%),
    radial-gradient(620px 280px at 92% 10%, rgba(198, 255, 61, 0.08), transparent 66%),
    radial-gradient(900px 420px at 52% 118%, rgba(255, 45, 122, 0.09), transparent 70%),
    repeating-radial-gradient(ellipse 120% 90% at 14% 122%, transparent 0 38px, rgba(168, 247, 245, 0.05) 38px 39px),
    repeating-linear-gradient(112deg, rgba(143, 163, 184, 0.07) 0 1px, transparent 1px 90px);
}

.footer-ticks {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 9px;
  pointer-events: none;
  opacity: 0.32;
  background: repeating-linear-gradient(90deg, rgba(24, 224, 232, 0.55) 0 1px, transparent 1px 24px);
}

.footer-inner {
  position: relative;
  z-index: 1;
  max-width: var(--wrap-max);
  margin-inline: auto;
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(2, minmax(0, 1fr)) minmax(0, 1.2fr);
  gap: clamp(26px, 3.5vw, 56px);
  align-items: start;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.brand--footer .brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 15px;
  font-size: 0.8rem;
}

.brand--footer .brand-name { font-size: 1.14rem; }

.footer-tagline {
  max-width: 28ch;
  font-family: var(--font-editorial);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 1.62;
  color: rgba(244, 248, 251, 0.66);
}

.footer-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(198, 255, 61, 0.26);
  background: rgba(198, 255, 61, 0.06);
  color: var(--c-lime);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-col { min-width: 0; }

.footer-heading {
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  display: inline-block;
  color: rgba(244, 248, 251, 0.72);
  font-size: 0.9rem;
  line-height: 1.5;
  text-decoration: none;
  background-image: linear-gradient(var(--c-cyan), var(--c-cyan));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 1px;
  transition: color 0.18s ease, background-size 0.26s var(--ease);
}

.footer-link:hover {
  color: var(--c-ice);
  background-size: 100% 1px;
}

.footer-contact { gap: 14px; }

.footer-contact li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(143, 163, 184, 0.85);
}

.footer-value {
  font-size: 0.88rem;
  line-height: 1.55;
  color: rgba(244, 248, 251, 0.86);
  word-break: break-word;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 28px;
  margin-top: clamp(36px, 5vw, 64px);
  padding-top: 22px;
  border-top: 1px solid rgba(143, 163, 184, 0.22);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--c-slate);
}

.footer-copy,
.footer-icp { max-width: none; }

/* footer responsive */
@media (max-width: 1020px) {
  .footer-top { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 620px) {
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .footer-tagline { max-width: 32ch; }
}

/* =========================================================
   GRID / MOTION RESPONSIVE
   ========================================================= */
@media (max-width: 980px) {
  .grid--3,
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .grid--2,
  .grid--3,
  .grid--4 { grid-template-columns: minmax(0, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .databar__track { animation: none; }
  .status-dot { animation: none; }
  .nav-progress { transition: none; }
  .btn:hover,
  .nav-help:hover { transform: none; }
  .nav-panel { transition: none; }
  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}