/* =========================================================
   英皇赛事 / 共享站点样式 / assets/site.css
   深空黑长卷 · 霓虹紫同色阶 · 竞速橙状态 · 荧光绿数据点
   ========================================================= */

/* ---------- 01 Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

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

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

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

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

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

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

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

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

::selection {
  background: var(--neon-violet);
  color: var(--void-black);
}

/* ---------- 02 Tokens ---------- */
:root {
  --void-black: #07070c;
  --panel-ink: #11131c;
  --graphite: #1e2130;
  --violet-deep: #3b1d6e;
  --neon-violet: #8b5cf6;
  --racing-orange: #ff6b1a;
  --signal-lime: #b6ff3b;
  --cold-white: #f5f1e8;
  --muted-mist: #a9a4b8;
  --paper-warm: #e7dfd2;

  --font-display: Impact, "Arial Narrow", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --font-data: "JetBrains Mono", "IBM Plex Mono", SFMono-Regular, Consolas, monospace;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;

  --header-h: 70px;
  --header-mobile-h: 60px;
  --gutter: clamp(16px, 4vw, 44px);
  --max-w: 1180px;
  --ease: 0.24s cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* ---------- 03 Base ---------- */
body {
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--cold-white);
  background-color: var(--void-black);
  background-image:
    radial-gradient(1200px 620px at 82% -10%, rgba(139, 92, 246, 0.17), transparent 62%),
    radial-gradient(900px 520px at 4% 104%, rgba(255, 107, 26, 0.09), transparent 60%),
    repeating-linear-gradient(90deg, rgba(245, 241, 232, 0.032) 0 1px, transparent 1px 96px);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0.01em;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: 0.02em;
}

p {
  line-height: 1.75;
}

strong {
  font-weight: 700;
  color: var(--cold-white);
}

#main-content {
  display: block;
  min-height: 50vh;
}

/* ---------- 04 Utilities ---------- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.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;
}

.mono {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
}

.hairline {
  height: 1px;
  border: 0;
  margin: 0;
  background: var(--graphite);
}

/* ---------- 05 Skip link ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 12px;
  z-index: 300;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  color: var(--void-black);
  background: var(--racing-orange);
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  transform: translateY(-160%);
  transition: transform var(--ease);
}

.skip-link:focus-visible {
  transform: translateY(0);
  outline-offset: 2px;
}

/* ---------- 06 Header / command bar ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
}

.command-bar {
  position: relative;
  background: rgba(7, 7, 12, 0.9);
  border-bottom: 1px solid var(--graphite);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  backdrop-filter: blur(14px) saturate(120%);
}

.command-bar::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--racing-orange) 0 12%,
    var(--neon-violet) 12% 44%,
    rgba(30, 33, 48, 0.6) 44% 100%
  );
  pointer-events: none;
}

.command-bar__progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  z-index: 2;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--neon-violet), var(--racing-orange) 72%, var(--signal-lime));
  box-shadow: 0 0 12px rgba(255, 107, 26, 0.55);
  pointer-events: none;
}

.command-bar__inner {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
  width: 100%;
  max-width: 1320px;
  min-height: var(--header-h);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.brand {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 11px;
  min-height: 44px;
}

.brand__mark {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 38px;
  height: 38px;
  color: var(--cold-white);
  background: linear-gradient(150deg, rgba(139, 92, 246, 0.95), rgba(59, 29, 110, 0.95));
  box-shadow:
    inset 0 0 0 1px rgba(245, 241, 232, 0.16),
    0 0 22px rgba(139, 92, 246, 0.3);
  clip-path: polygon(0 0, 100% 0, 100% 70%, 70% 100%, 0 100%);
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1;
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.1;
}

.brand__name {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.brand__tag {
  color: var(--muted-mist);
  font-family: var(--font-data);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.primary-nav {
  margin-left: auto;
}

.primary-nav__list {
  display: flex;
  align-items: stretch;
  gap: 2px;
}

.nav-link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 7px;
  padding: 24px 9px;
  border-bottom: 2px solid transparent;
  color: rgba(245, 241, 232, 0.75);
  font-size: 13.5px;
  font-weight: 600;
  white-space: nowrap;
  transition:
    color var(--ease),
    border-color var(--ease),
    background-color var(--ease);
}

.nav-link__idx {
  color: rgba(139, 92, 246, 0.88);
  font-family: var(--font-data);
  font-size: 9.5px;
  letter-spacing: 0.06em;
  transition: color var(--ease);
}

.nav-link__label {
  display: inline-block;
}

.nav-link:hover {
  border-bottom-color: var(--neon-violet);
  background: rgba(139, 92, 246, 0.1);
  color: var(--cold-white);
}

.nav-link:hover .nav-link__idx {
  color: var(--signal-lime);
}

.nav-link[aria-current="page"] {
  border-bottom-color: var(--racing-orange);
  background: linear-gradient(180deg, rgba(255, 107, 26, 0) 20%, rgba(255, 107, 26, 0.13));
  color: var(--cold-white);
}

.nav-link[aria-current="page"] .nav-link__idx {
  color: var(--racing-orange);
}

.command-bar__side {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 12px;
  margin-left: 4px;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 9px;
  border: 1px solid var(--graphite);
  background: rgba(17, 19, 28, 0.72);
  color: var(--muted-mist);
  font-family: var(--font-data);
  font-size: 10.5px;
  letter-spacing: 0.07em;
  white-space: nowrap;
}

.signal-dot {
  display: inline-block;
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal-lime);
  box-shadow:
    0 0 0 3px rgba(182, 255, 59, 0.14),
    0 0 10px rgba(182, 255, 59, 0.9);
  animation: signal-pulse 2.6s ease-in-out infinite;
}

@keyframes signal-pulse {
  0%,
  100% {
    opacity: 1;
    box-shadow:
      0 0 0 3px rgba(182, 255, 59, 0.14),
      0 0 10px rgba(182, 255, 59, 0.9);
  }
  50% {
    opacity: 0.6;
    box-shadow:
      0 0 0 5px rgba(182, 255, 59, 0.05),
      0 0 6px rgba(182, 255, 59, 0.5);
  }
}

.command-bar__hint {
  color: rgba(169, 164, 184, 0.78);
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--graphite);
  background: rgba(17, 19, 28, 0.82);
  color: var(--cold-white);
  transition:
    border-color var(--ease),
    background-color var(--ease);
}

.nav-toggle:hover {
  border-color: var(--neon-violet);
  background: rgba(139, 92, 246, 0.15);
}

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  transition: background-color var(--ease);
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: currentColor;
  transition: transform 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);
}

/* ---------- 07 Mobile dock ---------- */
.mobile-dock {
  display: none;
}

/* ---------- 08 Footer ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 8vw, 110px);
  padding: 0 var(--gutter) clamp(24px, 4vw, 44px);
}

.site-footer__frame {
  position: relative;
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding: clamp(20px, 3.2vw, 42px);
  border: 1px solid var(--graphite);
  background: linear-gradient(180deg, rgba(17, 19, 28, 0.6), rgba(7, 7, 12, 0.96) 62%);
}

.site-footer__frame::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: clamp(72px, 18vw, 150px);
  height: 3px;
  background: linear-gradient(90deg, var(--racing-orange), var(--neon-violet));
}

.site-footer__frame::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 64px;
  height: 64px;
  border-right: 1px solid rgba(139, 92, 246, 0.55);
  border-bottom: 1px solid rgba(139, 92, 246, 0.55);
  pointer-events: none;
}

.site-footer__head {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(200px, 0.9fr);
  gap: clamp(20px, 3vw, 40px);
  align-items: start;
}

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

.footer-brand__mark {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--void-black);
  background: var(--paper-warm);
  clip-path: polygon(0 0, 100% 0, 100% 78%, 78% 100%, 0 100%);
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1;
}

.footer-brand__line {
  margin-top: 14px;
  color: var(--cold-white);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.footer-brand__summary {
  max-width: 46ch;
  margin-top: 8px;
  color: var(--muted-mist);
  font-size: 13.5px;
  line-height: 1.7;
}

.footer-status {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 0;
  padding-left: 20px;
  border-left: 1px solid rgba(139, 92, 246, 0.32);
}

.footer-status__label {
  color: var(--racing-orange);
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.18em;
}

.footer-status__value {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--cold-white);
  font-size: 14px;
  font-weight: 600;
}

.footer-status__note {
  color: var(--muted-mist);
  font-size: 11.5px;
  line-height: 1.6;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: clamp(24px, 4vw, 38px);
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--graphite);
}

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

.footer-col__title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  color: var(--muted-mist);
  font-family: var(--font-data);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.2em;
}

.footer-col__title::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--racing-orange);
  box-shadow: 0 0 8px rgba(255, 107, 26, 0.7);
}

.footer-col__list {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
  min-height: 32px;
  color: rgba(245, 241, 232, 0.78);
  font-size: 14px;
  transition:
    color var(--ease),
    transform var(--ease);
}

.footer-link::after {
  content: "↗";
  color: rgba(139, 92, 246, 0.8);
  font-family: var(--font-data);
  font-size: 10px;
  transition:
    color var(--ease),
    transform var(--ease);
}

.footer-link:hover {
  color: var(--cold-white);
  transform: translateX(2px);
}

.footer-link:hover::after {
  color: var(--racing-orange);
  transform: translate(2px, -2px);
}

.site-footer__contact {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.7fr) minmax(0, 1.4fr);
  gap: 18px 28px;
  margin-top: clamp(24px, 3.6vw, 36px);
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--graphite);
}

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

.footer-label {
  display: block;
  margin-bottom: 5px;
  color: var(--racing-orange);
  font-family: var(--font-data);
  font-size: 9.5px;
  letter-spacing: 0.18em;
}

.footer-contact__line {
  color: var(--cold-white);
  font-family: var(--font-data);
  font-size: 12.5px;
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.footer-contact__note {
  grid-column: 1 / -1;
  margin-top: 2px;
  padding-left: 10px;
  border-left: 2px solid var(--racing-orange);
  color: var(--muted-mist);
  font-size: 12px;
  line-height: 1.65;
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  margin-top: clamp(22px, 3vw, 32px);
  padding-top: 16px;
  border-top: 1px solid var(--graphite);
  color: var(--muted-mist);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.footer-copy {
  color: rgba(245, 241, 232, 0.82);
}

.footer-legal {
  color: rgba(169, 164, 184, 0.8);
}

/* ---------- 09 Common components ---------- */
.section {
  padding-block: clamp(44px, 7vw, 92px);
}

.section__index {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--racing-orange);
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: 0.2em;
}

.section__index::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--graphite), transparent);
}

.section__title {
  margin: 0.35em 0 0.24em;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.section__lede {
  max-width: 62ch;
  color: var(--muted-mist);
  font-size: 15px;
  line-height: 1.75;
}

.grid {
  display: grid;
  gap: clamp(16px, 2.2vw, 28px);
}

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

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

.panel {
  position: relative;
  min-width: 0;
  padding: clamp(18px, 2.4vw, 28px);
  border: 1px solid var(--graphite);
  background: linear-gradient(160deg, rgba(17, 19, 28, 0.97), rgba(11, 11, 18, 0.97));
}

.panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 36px;
  height: 3px;
  background: var(--neon-violet);
}

.panel__label {
  color: var(--muted-mist);
  font-family: var(--font-data);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.panel__title {
  margin-top: 8px;
  font-size: clamp(1.08rem, 1.6vw, 1.35rem);
  line-height: 1.2;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border: 1px solid var(--graphite);
  background: rgba(17, 19, 28, 0.82);
  color: var(--cold-white);
  font-family: var(--font-data);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  line-height: 1.4;
}

.tag--violet {
  border-color: rgba(139, 92, 246, 0.62);
  background: rgba(139, 92, 246, 0.13);
  color: #c9b6ff;
}

.tag--orange {
  border-color: rgba(255, 107, 26, 0.62);
  background: rgba(255, 107, 26, 0.13);
  color: #ffc29e;
}

.tag--lime {
  border-color: rgba(182, 255, 59, 0.5);
  background: rgba(182, 255, 59, 0.08);
  color: var(--signal-lime);
}

.tag--paper {
  border-color: var(--paper-warm);
  background: var(--paper-warm);
  color: var(--void-black);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--graphite);
  background: transparent;
  color: var(--cold-white);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.2;
  text-align: center;
  transition:
    color var(--ease),
    background-color var(--ease),
    border-color var(--ease),
    box-shadow var(--ease),
    transform var(--ease);
}

.btn:hover {
  border-color: var(--neon-violet);
  transform: translateY(-1px);
}

.btn--primary {
  border-color: var(--racing-orange);
  background: var(--racing-orange);
  color: #180a02;
  box-shadow: 0 12px 30px -14px rgba(255, 107, 26, 0.85);
}

.btn--primary:hover {
  border-color: #ff833f;
  background: #ff833f;
  color: #180a02;
  box-shadow: 0 14px 34px -12px rgba(255, 107, 26, 0.95);
}

.btn--ghost {
  border-color: rgba(139, 92, 246, 0.56);
  background: rgba(139, 92, 246, 0.09);
}

.btn--ghost:hover {
  background: rgba(139, 92, 246, 0.17);
}

.btn--sm {
  min-height: 38px;
  padding: 0 14px;
  font-size: 13px;
}

.breadcrumb {
  margin-bottom: 18px;
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: var(--muted-mist);
  font-family: var(--font-data);
  font-size: 10.5px;
  letter-spacing: 0.1em;
}

.breadcrumb__link {
  color: var(--muted-mist);
  transition: color var(--ease);
}

.breadcrumb__link:hover {
  color: var(--signal-lime);
}

.breadcrumb__sep {
  color: var(--graphite);
}

.breadcrumb__current {
  color: var(--cold-white);
}

.media-frame {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--graphite);
  background-color: var(--panel-ink);
  background-image:
    linear-gradient(135deg, rgba(59, 29, 110, 0.62), rgba(7, 7, 12, 0.9) 56%, rgba(17, 19, 28, 0.94)),
    repeating-linear-gradient(90deg, rgba(245, 241, 232, 0.055) 0 1px, transparent 1px 26px);
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(245, 241, 232, 0.08);
  pointer-events: none;
}

.media-frame img,
.media-frame picture,
.media-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--wide {
  aspect-ratio: 21 / 9;
}

.media-frame--tall {
  aspect-ratio: 4 / 5;
}

.media-frame--square {
  aspect-ratio: 1 / 1;
}

.media-frame__label {
  position: absolute;
  bottom: 0;
  left: 0;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px 6px 10px;
  background: var(--paper-warm);
  color: var(--void-black);
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  font-family: var(--font-data);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.prose {
  max-width: 68ch;
  color: rgba(245, 241, 232, 0.88);
  font-size: 16px;
  line-height: 1.78;
}

.prose p {
  margin-bottom: 1em;
}

.prose h2,
.prose h3 {
  margin: 1.6em 0 0.5em;
  line-height: 1.2;
}

.prose h2 {
  font-size: clamp(1.35rem, 2.2vw, 1.8rem);
}

.prose h3 {
  font-size: clamp(1.1rem, 1.7vw, 1.35rem);
}

.prose a {
  color: var(--signal-lime);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.prose ul,
.prose ol {
  margin: 0 0 1em;
  padding-left: 1.25em;
}

.prose ul {
  list-style: square;
}

.prose ol {
  list-style: decimal;
}

.prose li {
  margin: 0.35em 0;
}

.prose li::marker {
  color: var(--neon-violet);
}

/* ---------- 10 Reveal / motion ---------- */
[data-reveal] {
  transition:
    opacity 0.6s cubic-bezier(0.2, 0.7, 0.2, 1),
    transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.has-js [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
}

.has-js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 11 Responsive ---------- */
@media (max-width: 1180px) {
  .command-bar__hint {
    display: none;
  }

  .brand__tag {
    display: none;
  }
}

@media (max-width: 1080px) {
  .nav-link {
    gap: 5px;
    padding: 24px 6px;
    font-size: 12.5px;
  }

  .status-chip {
    display: none;
  }
}

@media (max-width: 980px) {
  .grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 960px) {
  .command-bar__inner {
    min-height: var(--header-mobile-h);
    gap: 12px;
  }

  .brand__mark {
    width: 34px;
    height: 34px;
    font-size: 18px;
  }

  .brand__name {
    font-size: 16px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .command-bar__side {
    margin-left: auto;
  }

  .primary-nav {
    position: fixed;
    top: var(--header-mobile-h);
    right: 0;
    left: 0;
    z-index: 120;
    max-height: calc(100vh - var(--header-mobile-h));
    max-height: calc(100dvh - var(--header-mobile-h));
    margin-left: 0;
    padding: 14px var(--gutter) 28px;
    overflow-y: auto;
    border-bottom: 1px solid var(--graphite);
    background: linear-gradient(180deg, rgba(17, 19, 28, 0.99), rgba(7, 7, 12, 0.995));
    box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.92);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px);
    transition:
      opacity var(--ease),
      transform var(--ease),
      visibility var(--ease);
  }

  .site-header[data-open] .primary-nav {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .primary-nav__list {
    flex-direction: column;
    gap: 0;
  }

  .nav-link {
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    padding: 15px 4px;
    border-bottom: 1px solid var(--graphite);
    border-left: 0;
    font-size: 15px;
  }

  .nav-link__idx {
    width: 28px;
    font-size: 10px;
  }

  .nav-link__label {
    flex: 1;
  }

  .nav-link::after {
    content: "›";
    color: rgba(169, 164, 184, 0.8);
    font-family: var(--font-data);
    font-size: 15px;
    line-height: 1;
  }

  .nav-link:hover {
    border-bottom-color: var(--graphite);
    background: rgba(139, 92, 246, 0.1);
  }

  .nav-link[aria-current="page"] {
    border-bottom-color: var(--graphite);
    background: rgba(139, 92, 246, 0.13);
    box-shadow: inset 2px 0 0 var(--racing-orange);
  }
}

@media (max-width: 860px) {
  .site-footer__head {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .footer-status {
    padding-top: 14px;
    padding-left: 0;
    border-top: 1px solid rgba(139, 92, 246, 0.28);
    border-left: 0;
  }

  .footer-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

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

@media (max-width: 760px) {
  .grid--2,
  .grid--3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  body {
    padding-bottom: 64px;
  }

  .mobile-dock {
    display: grid;
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 110;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    padding: 4px 6px calc(4px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--graphite);
    background: rgba(9, 9, 16, 0.97);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
  }

  .mobile-dock__link {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1px;
    min-height: 48px;
    padding: 4px;
    border: 1px solid transparent;
    transition:
      background-color var(--ease),
      border-color var(--ease);
  }

  .mobile-dock__link:hover {
    background: rgba(139, 92, 246, 0.12);
  }

  .mobile-dock__link[aria-current="page"] {
    border-color: rgba(139, 92, 246, 0.4);
    background: rgba(139, 92, 246, 0.15);
  }

  .mobile-dock__idx {
    color: var(--racing-orange);
    font-family: var(--font-data);
    font-size: 8.5px;
    letter-spacing: 0.08em;
    line-height: 1;
  }

  .mobile-dock__label {
    color: var(--cold-white);
    font-size: 11px;
    font-weight: 600;
    line-height: 1.3;
  }
}

@media (max-width: 560px) {
  .footer-nav {
    grid-template-columns: minmax(0, 1fr);
  }

  .site-footer__contact {
    grid-template-columns: minmax(0, 1fr);
  }

  .site-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ---------- 12 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;
  }

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

  .signal-dot {
    animation: none;
  }

  .btn:hover,
  .footer-link:hover {
    transform: none;
  }
}