/* ==========================================================================
   FB体育 · 共享样式 /assets/site.css
   设计基调：夜场记分屏 —— 深空蓝黑底 · 荧光青绿信号 · 粗边框硬阴影
   ========================================================================== */

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

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

body, h1, h2, h3, h4, h5, p, ul, ol, li, figure, blockquote, dl, dd { margin: 0; }
ul[class], ol[class] { list-style: none; padding: 0; }
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
table { border-collapse: collapse; width: 100%; }
:focus-visible { outline: 2px solid #00F5C8; outline-offset: 3px; }
::selection { background: #00F5C8; color: #050A12; }

/* 2. Tokens ---------------------------------------------------------------- */
:root {
  --c-void: #050A12;
  --c-night: #0B1426;
  --c-console: #14243D;
  --c-steel: #2A3A55;
  --c-signal: #00F5C8;
  --c-signal-2: #38E8FF;
  --c-flag: #FF3B4F;
  --c-medal: #FFC94A;
  --c-ice: #EAF6FF;
  --c-haze: #8FA3C0;

  --font-display: "Noto Serif SC", "Songti SC", "STSong", serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", SFMono-Regular, monospace;
  --font-cond: "Barlow Condensed", "Arial Narrow", sans-serif;

  --wrap: 1220px;
  --gutter: clamp(18px, 4vw, 48px);
  --stroke: 2px solid var(--c-steel);
  --shadow-hard: 10px 10px 0 rgba(0, 245, 200, 0.12);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --header-h: 64px;
}

/* 3. Base ------------------------------------------------------------------ */
body {
  min-height: 100vh;
  background: var(--c-void);
  color: var(--c-ice);
  font-family: var(--font-body);
  font-size: clamp(15px, 1vw, 17px);
  font-weight: 400;
  line-height: 1.65;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(900px 520px at 84% -8%, rgba(56, 232, 255, 0.10), transparent 68%),
    radial-gradient(720px 480px at 4% 6%, rgba(0, 245, 200, 0.08), transparent 70%),
    repeating-linear-gradient(180deg, rgba(42, 58, 85, 0.14) 0 1px, transparent 1px 96px);
}

main { position: relative; z-index: 1; }

h1, h2, h3, h4 { font-weight: 700; line-height: 1.15; letter-spacing: -0.01em; }

/* 4. Layout ---------------------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { position: relative; z-index: 1; padding-block: clamp(56px, 8vw, 112px); }
.section--tight { padding-block: clamp(30px, 4.5vw, 62px); }
.section--band {
  background: linear-gradient(180deg, rgba(11, 20, 38, 0.94), rgba(5, 10, 18, 0.94));
  border-top: var(--stroke);
  border-bottom: var(--stroke);
}

.section__head { max-width: 780px; margin-bottom: clamp(24px, 3.6vw, 48px); }
.section__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-signal);
}
.section__kicker::before { content: ""; width: 24px; height: 2px; background: var(--c-signal); }
.section__title {
  font-family: var(--font-display);
  font-size: clamp(30px, 4.6vw, 58px);
  line-height: 1.06;
  margin-top: 14px;
}
.section__lead {
  margin-top: 14px;
  max-width: 60ch;
  color: var(--c-haze);
  font-size: clamp(15px, 1.15vw, 18px);
}

.grid { display: grid; gap: clamp(16px, 2vw, 26px); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--bento {
  grid-template-columns: repeat(6, minmax(0, 1fr));
  grid-auto-rows: minmax(120px, auto);
}
.col-2 { grid-column: span 2; }
.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-6 { grid-column: span 6; }
.row-2 { grid-row: span 2; }

/* 5. Typography helpers ---------------------------------------------------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-cond);
  font-size: 13px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--c-signal);
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: currentColor; }

.display {
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: clamp(46px, 11vw, 150px);
  line-height: 0.86;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--c-ice);
}
.display--outline {
  color: transparent;
  -webkit-text-stroke: 2px var(--c-steel);
  text-stroke: 2px var(--c-steel);
}

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; letter-spacing: 0.02em; }
.cond { font-family: var(--font-cond); letter-spacing: 0.1em; }
.muted { color: var(--c-haze); }
.signal-text { color: var(--c-signal); }
.flag-text { color: var(--c-flag); }
.medal-text { color: var(--c-medal); }

.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;
}

.scoreboard {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(42px, 8vw, 120px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--c-medal);
  font-variant-numeric: tabular-nums;
}
.scoreboard__unit {
  display: block;
  margin-top: 6px;
  font-family: var(--font-cond);
  font-size: 0.2em;
  letter-spacing: 0.2em;
  color: var(--c-haze);
}

.stat-strip {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(18px, 3vw, 44px);
  padding-block: clamp(18px, 2.4vw, 28px);
  border-top: var(--stroke);
  border-bottom: var(--stroke);
}
.stat { display: grid; gap: 4px; }
.stat__value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(24px, 3vw, 40px);
  line-height: 1;
  color: var(--c-ice);
  font-variant-numeric: tabular-nums;
}
.stat__label {
  font-family: var(--font-cond);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-haze);
}

.prose { max-width: 72ch; }
.prose h2, .prose h3 {
  font-family: var(--font-display);
  line-height: 1.2;
  margin-top: 1.8em;
}
.prose h2 { font-size: clamp(22px, 2.4vw, 32px); }
.prose h3 { font-size: clamp(19px, 1.8vw, 24px); }
.prose p { margin-top: 1em; color: var(--c-haze); }
.prose ul, .prose ol { margin-top: 1em; padding-left: 1.25em; }
.prose ul { list-style: square; }
.prose ol { list-style: decimal; }
.prose li { margin-top: 0.5em; color: var(--c-haze); }
.prose a {
  color: var(--c-signal);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 2px;
}
.prose strong { color: var(--c-ice); }

/* 6. Components ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 24px;
  border: 2px solid var(--c-steel);
  background: transparent;
  color: var(--c-ice);
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: background 0.18s var(--ease), color 0.18s var(--ease),
              border-color 0.18s var(--ease), box-shadow 0.18s var(--ease),
              transform 0.18s var(--ease);
}
.btn:hover {
  border-color: var(--c-signal);
  color: var(--c-signal);
  box-shadow: 6px 6px 0 rgba(0, 245, 200, 0.16);
  transform: translate(-1px, -1px);
}
.btn--signal {
  background: var(--c-signal);
  border-color: var(--c-signal);
  color: var(--c-void);
  box-shadow: 6px 6px 0 rgba(42, 58, 85, 0.9);
}
.btn--signal:hover {
  background: var(--c-signal-2);
  border-color: var(--c-signal-2);
  color: var(--c-void);
  box-shadow: 6px 6px 0 rgba(56, 232, 255, 0.35);
}
.btn--ghost { border-color: var(--c-steel); color: var(--c-haze); }
.btn--ghost:hover { border-color: var(--c-signal-2); color: var(--c-signal-2); }
.btn--gold { border-color: var(--c-medal); color: var(--c-medal); box-shadow: 6px 6px 0 rgba(42, 58, 85, 0.9); }
.btn--gold:hover { background: var(--c-medal); border-color: var(--c-medal); color: var(--c-void); }
.btn--sm { padding: 8px 14px; font-size: 13px; letter-spacing: 0.12em; }

.panel {
  position: relative;
  padding: clamp(20px, 2.4vw, 32px);
  background: linear-gradient(160deg, rgba(20, 36, 61, 0.78), rgba(11, 20, 38, 0.88));
  border: var(--stroke);
  transition: border-color 0.18s var(--ease), box-shadow 0.18s var(--ease),
              transform 0.18s var(--ease);
}
.panel:hover {
  border-color: var(--c-signal);
  box-shadow: 0 0 0 1px rgba(0, 245, 200, 0.25), 12px 12px 0 rgba(0, 245, 200, 0.10);
  transform: translateY(-2px);
}
.panel--signal {
  border-color: var(--c-signal);
  background: linear-gradient(160deg, rgba(0, 245, 200, 0.12), rgba(11, 20, 38, 0.94));
}
.panel--hard { box-shadow: 10px 10px 0 rgba(42, 58, 85, 0.62); }
.panel__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-signal);
}
.panel__title {
  font-family: var(--font-display);
  font-size: clamp(20px, 2vw, 28px);
  line-height: 1.2;
  margin-top: 10px;
}
.panel__body { margin-top: 12px; color: var(--c-haze); }

.media-frame {
  position: relative;
  overflow: hidden;
  min-height: 180px;
  border: var(--stroke);
  background: linear-gradient(135deg, rgba(20, 36, 61, 0.92), rgba(5, 10, 18, 0.94));
  box-shadow: var(--shadow-hard);
}
.media-frame__img {
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: contrast(1.08) saturate(1.06) brightness(0.92);
  transition: filter 0.25s var(--ease), transform 0.35s var(--ease);
}
.media-frame:hover .media-frame__img { filter: contrast(1.12) saturate(1.12) brightness(1); transform: scale(1.02); }
.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(115deg, rgba(0, 245, 200, 0.10) 0 1px, transparent 1px 9px),
    linear-gradient(180deg, transparent 55%, rgba(5, 10, 18, 0.82));
}
.media-frame__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  padding: 10px 16px;
  background: rgba(5, 10, 18, 0.86);
  border-top: 2px solid var(--c-signal);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--c-ice);
}
.media-frame--wide .media-frame__img { aspect-ratio: 21 / 9; }
.media-frame--tall .media-frame__img { aspect-ratio: 3 / 4; }

.tag-row { display: flex; flex-wrap: wrap; gap: 10px; }
.tag {
  display: inline-block;
  padding: 5px 11px;
  border: 1px solid var(--c-steel);
  color: var(--c-haze);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
}
.tag--signal { border-color: rgba(0, 245, 200, 0.6); color: var(--c-signal); }
.tag--red { border-color: rgba(255, 59, 79, 0.6); color: var(--c-flag); }
.tag--gold { border-color: rgba(255, 201, 74, 0.6); color: var(--c-medal); }

.rule { height: 2px; border: 0; background: var(--c-steel); margin-block: clamp(24px, 3vw, 44px); }
.rule--slash {
  height: 10px;
  background: repeating-linear-gradient(115deg, var(--c-steel) 0 8px, transparent 8px 20px);
}

.scroll-x {
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-color: var(--c-signal) var(--c-console);
  scrollbar-width: thin;
}
.scroll-x::-webkit-scrollbar { height: 8px; }
.scroll-x::-webkit-scrollbar-track { background: var(--c-console); }
.scroll-x::-webkit-scrollbar-thumb { background: var(--c-signal); }

.breadcrumbs { margin-top: clamp(18px, 2.4vw, 28px); }
.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--c-haze);
}
.breadcrumbs__item { display: inline-flex; align-items: center; gap: 8px; }
.breadcrumbs__item::after { content: "/"; color: var(--c-steel); }
.breadcrumbs__item:last-child::after { content: none; }
.breadcrumbs__link { color: var(--c-haze); transition: color 0.16s var(--ease); }
.breadcrumbs__link:hover { color: var(--c-signal); }
.breadcrumbs__current { color: var(--c-ice); }

/* 7. Header ---------------------------------------------------------------- */
.skip-link {
  position: absolute;
  left: var(--gutter);
  top: 8px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--c-signal);
  color: var(--c-void);
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.14em;
  transform: translateY(-180%);
  transition: transform 0.18s var(--ease);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: linear-gradient(180deg, #070E1B 0%, #050A12 100%);
  border-bottom: 2px solid var(--c-steel);
  box-shadow: 0 18px 42px -30px rgba(0, 0, 0, 0.95);
  transition: box-shadow 0.2s var(--ease), background 0.2s var(--ease);
}
.site-header.is-scrolled {
  background: #050A12;
  box-shadow: 0 24px 54px -30px rgba(0, 0, 0, 1);
}

.site-header__utility {
  border-bottom: 1px solid rgba(42, 58, 85, 0.85);
  background: linear-gradient(90deg, rgba(11, 20, 38, 0.95), rgba(20, 36, 61, 0.6));
}
.site-header__utility-inner {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 32px);
  min-height: var(--header-h);
  padding-block: 10px;
}

.brand-lockup { display: block; }
.brand-lockup__link { display: inline-flex; align-items: center; gap: 12px; }
.brand-lockup__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 38px;
  height: 38px;
  background: var(--c-signal);
  color: var(--c-void);
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.06em;
  transform: skewX(-8deg);
  transition: background 0.18s var(--ease), box-shadow 0.18s var(--ease);
}
.brand-lockup__link:hover .brand-lockup__mark {
  background: var(--c-signal-2);
  box-shadow: 4px 4px 0 rgba(255, 201, 74, 0.5);
}
.brand-lockup__name {
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.1em;
  color: var(--c-ice);
}
.brand-lockup__tagline {
  padding-left: 14px;
  border-left: 1px solid var(--c-steel);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-haze);
}

.header-note {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--c-haze);
}
.header-note__dot {
  flex: none;
  width: 8px;
  height: 8px;
  background: var(--c-signal);
  box-shadow: 0 0 12px var(--c-signal);
}
.header-cta { flex: none; }

.site-header__bar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  min-height: 56px;
}
.site-header__section-label {
  display: none;
  font-family: var(--font-cond);
  font-size: 14px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-haze);
}

.primary-nav { flex: 1 1 auto; min-width: 0; }
.primary-nav__list { display: flex; align-items: center; gap: clamp(4px, 1.4vw, 20px); flex-wrap: wrap; }
.primary-nav__link {
  position: relative;
  display: inline-block;
  padding: 15px 2px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--c-haze);
  transition: color 0.16s var(--ease);
}
.primary-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 9px;
  height: 2px;
  background: var(--c-signal);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease);
}
.primary-nav__link:hover { color: var(--c-ice); }
.primary-nav__link:hover::after { transform: scaleX(1); }
.primary-nav__link[aria-current="page"] { color: var(--c-signal); }
.primary-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--c-signal-2);
  box-shadow: 0 0 10px rgba(56, 232, 255, 0.7);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  flex: none;
  padding: 9px 14px;
  border: 2px solid var(--c-steel);
  color: var(--c-ice);
  transition: border-color 0.16s var(--ease), color 0.16s var(--ease),
              background 0.16s var(--ease);
}
.nav-toggle:hover { border-color: var(--c-signal); color: var(--c-signal); }
.nav-toggle__bars { display: grid; gap: 4px; width: 20px; }
.nav-toggle__bars span { display: block; height: 2px; background: currentColor; }
.nav-toggle__label {
  font-family: var(--font-cond);
  font-size: 15px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.nav-toggle[aria-expanded="true"] {
  border-color: var(--c-signal);
  color: var(--c-void);
  background: var(--c-signal);
}

.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: linear-gradient(90deg, var(--c-signal), var(--c-signal-2) 55%, var(--c-medal));
  transform: scaleX(0);
  transform-origin: left center;
  pointer-events: none;
}

/* 8. Footer ---------------------------------------------------------------- */
.site-footer {
  position: relative;
  z-index: 1;
  margin-top: clamp(64px, 9vw, 140px);
  background: linear-gradient(180deg, #050A12 0%, #0B1426 58%, #070E1B 100%);
  border-top: 2px solid var(--c-steel);
}
.site-footer__top {
  display: grid;
  grid-template-columns: minmax(240px, 1.05fr) 2fr;
  gap: clamp(28px, 5vw, 72px);
  padding-block: clamp(42px, 6vw, 76px);
}
.site-footer__brand { display: grid; gap: 12px; align-content: start; }
.site-footer__wordmark {
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: clamp(30px, 3.4vw, 46px);
  letter-spacing: 0.08em;
  line-height: 1;
  color: var(--c-ice);
}
.site-footer__note { max-width: 34ch; font-size: 14.5px; color: var(--c-haze); }
.site-footer__domain {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-signal);
}

.site-footer__columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 40px);
}
.footer-column__title {
  padding-bottom: 10px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--c-steel);
  font-family: var(--font-cond);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--c-signal);
}
.footer-links { display: grid; gap: 12px; }
.footer-links__link {
  display: inline-block;
  font-size: 15px;
  color: var(--c-haze);
  transition: color 0.16s var(--ease);
}
.footer-links__link:hover {
  color: var(--c-ice);
  text-decoration: underline;
  text-decoration-color: var(--c-signal);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.footer-copy {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  font-size: 14px;
  color: var(--c-haze);
}
.footer-copy__label {
  flex: none;
  font-family: var(--font-cond);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--c-signal-2);
}
.footer-copy__value {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--c-ice);
  word-break: break-all;
}
.footer-copy__value--text {
  font-family: var(--font-body);
  font-size: 14px;
  word-break: normal;
  line-height: 1.5;
}
.copy-btn {
  flex: none;
  padding: 3px 10px;
  border: 1px solid var(--c-steel);
  color: var(--c-haze);
  font-family: var(--font-cond);
  font-size: 12px;
  letter-spacing: 0.14em;
  transition: border-color 0.16s var(--ease), color 0.16s var(--ease),
              background 0.16s var(--ease);
}
.copy-btn:hover { border-color: var(--c-signal); color: var(--c-signal); }
.copy-btn[data-copied] {
  border-color: var(--c-signal);
  background: var(--c-signal);
  color: var(--c-void);
}

.site-footer__base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 28px;
  padding-block: 22px 34px;
  border-top: 1px solid rgba(42, 58, 85, 0.8);
}
.footer-meta,
.footer-icp {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--c-haze);
}
.footer-icp { color: var(--c-steel); }

/* 9. Motion ---------------------------------------------------------------- */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
html.js [data-reveal].is-visible { opacity: 1; transform: none; }

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

/* 10. Responsive ----------------------------------------------------------- */
@media (max-width: 1024px) {
  .site-footer__top { grid-template-columns: 1fr; }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--bento { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .col-3, .col-4 { grid-column: span 4; }
  .col-6 { grid-column: span 4; }
}

@media (max-width: 900px) {
  :root { --header-h: 56px; }

  .brand-lockup__tagline { display: none; }
  .header-note { display: none; }
  .site-header__section-label { display: inline-block; }
  .nav-toggle { display: inline-flex; order: 1; margin-left: auto; }
  .primary-nav {
    order: 2;
    flex: 1 1 100%;
    max-height: 0;
    overflow: hidden;
    border-top: 1px solid transparent;
    transition: max-height 0.28s var(--ease), border-color 0.2s var(--ease);
  }
  .primary-nav[data-open] {
    max-height: min(72vh, 520px);
    overflow-y: auto;
    border-top-color: var(--c-steel);
    margin-top: 6px;
  }
  .primary-nav__list { flex-direction: column; align-items: stretch; gap: 0; padding-bottom: 16px; }
  .primary-nav__link {
    display: block;
    padding: 14px 4px;
    font-size: 17px;
    border-bottom: 1px solid rgba(42, 58, 85, 0.6);
  }
  .primary-nav__link::after { bottom: 0; left: 4px; right: auto; width: 34px; }
  .primary-nav__link[aria-current="page"] { color: var(--c-signal); }

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

@media (max-width: 620px) {
  .site-header__utility-inner { flex-wrap: wrap; gap: 12px; }
  .header-cta { margin-left: auto; }

  .grid--3, .grid--2 { grid-template-columns: minmax(0, 1fr); }
  .grid--bento { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .col-2, .col-3, .col-4, .col-6 { grid-column: span 2; }
  .row-2 { grid-row: span 1; }

  .site-footer__columns { grid-template-columns: minmax(0, 1fr); }
  .site-footer__base { flex-direction: column; align-items: flex-start; }
  .display { font-size: clamp(38px, 15vw, 72px); }
}