/* ============================================================
   hth官网 · 共享 Site Kit
   绿茵赛场监控室 / Live Pitch Monitor
   文件：/assets/site.css
   ============================================================ */

/* ---------- 1. Reset & Design Tokens ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #0B0F0E;
  --color-bg-card: #1A1F1E;
  --color-bg-elevated: #202826;
  --color-accent: #00FF88;
  --color-accent-purple: #9D4EDD;
  --color-accent-blue: #00B4D8;
  --color-text: #F0F3F2;
  --color-text-muted: #A0AAA6;
  --color-warning: #FF7F50;
  --color-gold: #FFD700;

  --font-display: "Oswald", "Rajdhani", "Arial Narrow", "DIN Condensed", sans-serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "Roboto Mono", "SF Mono", "SFMono-Regular", "Consolas", monospace;

  --container-width: 1200px;
  --header-height: 78px;
  --border-w: 2px;
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.45);
  --space-section: clamp(4rem, 9vw, 7rem);
}

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

body {
  min-height: 100vh;
  background-color: var(--color-bg);
  background-image:
    linear-gradient(rgba(0, 255, 136, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 136, 0.025) 1px, transparent 1px);
  background-size: 44px 44px;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

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

a {
  color: inherit;
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.1;
}

::selection {
  background: var(--color-accent);
  color: var(--color-bg);
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

:focus:not(:focus-visible) {
  outline: none;
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-bg-card);
  border: 1px solid rgba(0, 255, 136, 0.2);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent);
}

/* ---------- 2. Utilities & Accessibility ---------- */
.container {
  width: 100%;
  max-width: calc(var(--container-width) + 48px);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.25rem);
}

.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;
}

.skip-link {
  position: fixed;
  top: -100%;
  left: 1rem;
  z-index: 1200;
  padding: 0.8rem 1.5rem;
  background: var(--color-accent);
  color: var(--color-bg);
  font-weight: 700;
  text-decoration: none;
  border-radius: 0 0 6px 6px;
  transition: top 0.3s;
}

.skip-link:focus {
  top: 0;
}

/* ---------- 3. Typography & Page Header ---------- */
.lead {
  font-size: 1.125rem;
  color: var(--color-text-muted);
}

.section {
  position: relative;
  padding: var(--space-section) 0;
}

.section__head {
  margin-bottom: clamp(2rem, 4vw, 3rem);
  max-width: 740px;
}

.section__index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.35rem;
  position: relative;
  padding-left: 1.25rem;
}

.section__index::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 0.75rem;
  height: 2px;
  background: var(--color-accent);
}

.section__title {
  font-size: clamp(2.2rem, 5vw, 3.9rem);
  letter-spacing: 0.01em;
  text-transform: uppercase;
  margin: 0 0 0.6rem;
}

.section__desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 58ch;
}

.page-header {
  padding-top: calc(var(--header-height) + 3.5rem);
  padding-bottom: 2.5rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
  border-bottom: 1px solid rgba(160, 170, 166, 0.14);
}

.page-header__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.8rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  margin: 0.5rem 0 1rem;
}

.page-header__lead {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 62ch;
}

/* ---------- 4. Grid & Card ---------- */
.grid-2,
.grid-3 {
  display: grid;
  gap: clamp(1rem, 2.5vw, 1.75rem);
}

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

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

.data-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  align-items: flex-start;
  padding: clamp(1.4rem, 2.6vw, 2.2rem);
  background: linear-gradient(140deg, var(--color-bg-card), var(--color-bg-elevated));
  border: var(--border-w) solid rgba(160, 170, 166, 0.16);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.data-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--color-accent), var(--color-accent-blue));
  transform: scaleY(0.4);
  transform-origin: top;
  transition: transform 0.35s ease;
}

.data-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 255, 136, 0.45);
  box-shadow: 0 18px 44px rgba(0, 180, 216, 0.12);
}

.data-card:hover::before {
  transform: scaleY(1);
}

.data-card__num {
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  font-weight: 700;
  line-height: 1;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}

.data-card__label {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--color-text);
}

.data-card__meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.data-card--highlight {
  border-color: rgba(157, 78, 221, 0.45);
}

.data-card--highlight::before {
  background: linear-gradient(180deg, var(--color-accent-purple), var(--color-accent-blue));
}

/* ---------- 5. Buttons & Tags ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  border: 2px solid transparent;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: background 0.25s, color 0.25s, border-color 0.25s, box-shadow 0.25s;
}

.btn::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-blue), var(--color-accent-purple));
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s ease;
}

.btn:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-bg);
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background: rgba(0, 255, 136, 0.1);
  color: var(--color-accent);
  box-shadow: 0 0 32px rgba(0, 255, 136, 0.3);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: rgba(160, 170, 166, 0.5);
}

.btn--ghost:hover {
  border-color: var(--color-accent-blue);
  color: var(--color-accent-blue);
  box-shadow: 0 0 24px rgba(0, 180, 216, 0.2);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.skew-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.8rem;
  background: linear-gradient(90deg, rgba(157, 78, 221, 0.25), rgba(0, 180, 216, 0.08));
  border-left: 3px solid var(--color-accent-purple);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transform: skew(-8deg);
  white-space: nowrap;
}

.skew-tag > * {
  transform: skew(8deg);
}

/* ---------- 6. Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

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

.breadcrumb li + li::before {
  content: "/";
  margin-inline: 0.4rem;
  color: var(--color-accent-purple);
  font-family: var(--font-mono);
}

.breadcrumb a {
  color: var(--color-accent-blue);
  text-decoration: none;
  transition: color 0.2s;
}

.breadcrumb a:hover {
  color: var(--color-accent);
}

.breadcrumb li[aria-current="page"] {
  color: var(--color-text);
  font-weight: 600;
}

/* ---------- 7. Media Frame ---------- */
.media-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  background:
    linear-gradient(135deg, rgba(0, 255, 136, 0.05), rgba(157, 78, 221, 0.07)),
    var(--color-bg-card);
  border: var(--border-w) solid rgba(160, 170, 166, 0.16);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.media-frame > * {
  position: relative;
  z-index: 1;
}

.media-frame::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 12%;
  height: 1px;
  background: repeating-linear-gradient(90deg, rgba(0, 255, 136, 0.4) 0 8px, transparent 8px 16px);
  z-index: 2;
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 20%, rgba(0, 255, 136, 0.08) 50%, transparent 80%);
  background-size: 200% 100%;
  background-position: 100% 0;
  transition: background-position 0.8s;
  z-index: 2;
}

.media-frame:hover::after {
  background-position: 0 0;
}

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

/* ---------- 8. Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding-top: env(safe-area-inset-top);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.site-header.is-scrolled {
  background: rgba(26, 31, 30, 0.86);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom-color: rgba(0, 255, 136, 0.12);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: var(--header-height);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

/* Brand */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--color-text);
  flex-shrink: 0;
}

.brand__logo {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: conic-gradient(from 90deg, var(--color-gold), #7a5b00, var(--color-gold));
  border-radius: 7px 11px 7px 11px;
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.18), inset 0 0 6px rgba(0, 0, 0, 0.35);
  transform: skew(-6deg);
  overflow: hidden;
  flex-shrink: 0;
  transition: box-shadow 0.25s;
}

.brand__logo::before {
  content: "";
  position: absolute;
  width: 140%;
  height: 30%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.55), transparent);
  transform: rotate(38deg);
}

.brand__logo::after {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1.5px solid rgba(255, 255, 255, 0.45);
  border-radius: 50%;
  border-top-color: transparent;
  animation: brand-spin 5s linear infinite;
}

.brand:hover .brand__logo {
  box-shadow: 0 0 26px rgba(255, 215, 0, 0.35);
}

.brand__text {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  line-height: 1;
  color: var(--color-text);
}

.brand__text-sub {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid rgba(0, 255, 136, 0.25);
  padding: 0.15em 0.35em;
  margin-left: 0.3em;
  vertical-align: 0.35em;
  transform: skew(-6deg);
  letter-spacing: 0.05em;
}

/* Desktop Navigation */
.site-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(0.2rem, 1.6vw, 1.5rem);
}

.site-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  padding: 0.4rem 0.1rem;
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: color 0.2s;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-blue));
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 0.3s ease;
}

.site-nav__link:hover,
.site-nav__link[aria-current="page"] {
  color: var(--color-accent);
}

.site-nav__link:hover::after,
.site-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left center;
}

/* Live Status */
.live-status {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.85rem 0.45rem 0.75rem;
  background: rgba(0, 255, 136, 0.07);
  border: 1px solid rgba(0, 255, 136, 0.35);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
  transition: background 0.25s, box-shadow 0.25s;
}

.live-status:hover {
  background: rgba(0, 255, 136, 0.14);
  box-shadow: 0 0 18px rgba(0, 255, 136, 0.18);
}

.live-status__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.8);
  animation: live-pulse 1.6s infinite ease-in-out;
}

.live-status__freq {
  padding: 0.1em 0.35em;
  background: rgba(0, 255, 136, 0.14);
  border-radius: 2px;
  font-size: 0.68rem;
  color: var(--color-accent);
}

/* Mobile Nav Toggle */
.site-nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.site-nav-toggle__bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: transform 0.3s, opacity 0.3s;
}

.site-nav-toggle[aria-expanded="true"] .site-nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-nav-toggle[aria-expanded="true"] .site-nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.site-nav-toggle[aria-expanded="true"] .site-nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Scroll Progress */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1200;
  width: 100%;
  height: 3px;
  pointer-events: none;
  background: transparent;
}

.scroll-progress::after {
  content: "";
  display: block;
  height: 100%;
  width: var(--scroll-progress, 0%);
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-blue), var(--color-accent-purple));
  box-shadow: 0 0 12px rgba(0, 255, 136, 0.5);
  transition: width 0.08s linear;
}

/* ---------- 9. Footer ---------- */
.site-footer {
  position: relative;
  background: var(--color-bg-card);
  border-top: var(--border-w) solid rgba(0, 255, 136, 0.15);
  padding-top: clamp(2.5rem, 5vw, 4rem);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-purple), transparent 60%);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: clamp(2rem, 5vw, 4rem);
  padding-bottom: clamp(2rem, 4vw, 3rem);
}

.site-footer__brand .brand {
  margin-bottom: 0.75rem;
}

.site-footer__slogan {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-text);
  margin: 1rem 0 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.site-footer__note {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  max-width: 42ch;
}

.site-footer__heading {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin: 0 0 1rem;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 0.6rem;
}

.site-footer__heading::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--color-accent);
}

.site-footer__list {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.site-footer__list a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s, padding-left 0.2s;
}

.site-footer__list a:hover {
  color: var(--color-accent);
  padding-left: 6px;
}

.site-footer__contact .site-footer__list--contact li {
  position: relative;
  color: var(--color-text-muted);
  font-size: 0.88rem;
  line-height: 1.6;
  padding-left: 1.4rem;
}

.site-footer__contact .site-footer__list--contact li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 6px;
  height: 6px;
  background: var(--color-accent-purple);
  transform: rotate(45deg);
}

.site-footer__bottom {
  border-top: 1px solid rgba(160, 170, 166, 0.12);
  padding: 1.25rem 0 calc(1.25rem + env(safe-area-inset-bottom));
}

.site-footer__bottom-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 2rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.site-footer__bottom-inner a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.site-footer__bottom-inner a:hover {
  color: var(--color-accent);
}

/* ---------- 10. Keyframes ---------- */
@keyframes brand-spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes live-pulse {
  0%,
  100% {
    opacity: 1;
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.8);
  }

  50% {
    opacity: 0.55;
    box-shadow: 0 0 4px rgba(0, 255, 136, 0.4);
  }
}

/* ---------- 11. Reveal Motion ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

[data-reveal-delay="1"] {
  transition-delay: 0.12s;
}

[data-reveal-delay="2"] {
  transition-delay: 0.24s;
}

[data-reveal-delay="3"] {
  transition-delay: 0.36s;
}

/* ---------- 12. Responsive ---------- */
@media (max-width: 980px) {
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-footer__inner {
    grid-template-columns: 1fr 1fr;
  }

  .site-footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 820px) {
  .site-header__inner {
    gap: 1rem;
  }

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

  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(82vw, 340px);
    height: 100dvh;
    min-height: 100vh;
    background: rgba(15, 20, 19, 0.98);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border-left: 2px solid var(--color-accent);
    box-shadow: -20px 0 40px rgba(0, 0, 0, 0.45);
    padding: calc(var(--header-height) + 2rem) 2rem 2rem;
    transform: translateX(105%);
    visibility: hidden;
    opacity: 0;
    transition: transform 0.35s ease, opacity 0.35s ease, visibility 0s linear 0.35s;
    z-index: 900;
    overflow-y: auto;
  }

  .site-nav[data-open] {
    transform: translateX(0);
    visibility: visible;
    opacity: 1;
    transition: transform 0.35s ease, opacity 0.35s ease, visibility 0s linear 0s;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
  }

  .site-nav__link {
    padding: 0.85rem 0.5rem;
    font-size: 1rem;
    border-bottom: 1px solid rgba(160, 170, 166, 0.1);
  }

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

  .site-nav__link[aria-current="page"] {
    color: var(--color-accent);
    border-left: 3px solid var(--color-accent);
    padding-left: 0.75rem;
    background: rgba(0, 255, 136, 0.06);
  }

  .site-header__actions {
    gap: 0.4rem;
  }

  .live-status {
    padding: 0.4rem 0.7rem;
    font-size: 0.72rem;
  }
}

@media (max-width: 720px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  :root {
    --header-height: 68px;
  }

  .site-header__inner {
    min-height: 68px;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
  }

  .site-footer__brand {
    grid-column: auto;
  }

  .site-footer__bottom-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem 1rem;
  }
}

@media (max-width: 480px) {
  .brand__text-sub {
    display: none;
  }

  .live-status__freq {
    display: none;
  }

  .site-header__inner {
    gap: 0.5rem;
  }
}

/* ---------- 13. 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;
  }

  .brand__logo::after,
  .live-status__dot {
    animation: none !important;
  }

  .site-nav,
  .site-nav[data-open],
  [data-reveal],
  [data-reveal-delay="1"],
  [data-reveal-delay="2"],
  [data-reveal-delay="3"] {
    transition: none !important;
  }

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

  .scroll-progress,
  .media-frame::after {
    display: none;
  }
}