/* ============================================================
   博鱼赛场 · 共享样式 /assets/site.css
   刊头式导航 + 夜间赛场地带 + 奶油纸面阅读区
   ============================================================ */

/* ---------- 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, figure, blockquote, dl, dd, hr {
  margin: 0;
}

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

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

button {
  font: inherit;
  color: inherit;
}

a {
  color: inherit;
}

main { display: block; }

/* ---------- tokens ---------- */
:root {
  --night: #061826;
  --navy: #0D3552;
  --cream: #F7E8D6;
  --ink: #241A15;
  --cyan: #61F2D0;
  --coral: #FF6B3A;
  --red: #C9472C;
  --mist: #DDF8F0;
  --slate: #49657A;
  --paper-shadow: #E8D5C0;

  --shell: 1240px;
  --gutter: clamp(1.15rem, 4vw, 3.25rem);
  --radius-lg: 26px;
  --radius-md: 14px;
  --radius-sm: 8px;

  --font-head: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Heiti SC", sans-serif;
  --font-body: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Heiti SC", sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", "SFMono-Regular", "Menlo", "Consolas", "Courier New", monospace;

  --ease: cubic-bezier(.22, .61, .36, 1);
  --line-cream: rgba(247, 232, 214, .16);
}

/* ---------- base ---------- */
body {
  background-color: var(--night);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: clamp(16px, .35vw + 15px, 18px);
  line-height: 1.8;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -.015em;
  text-wrap: balance;
}

#main-content {
  scroll-margin-top: 8.5rem;
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .1em;
}

.layout-shell {
  width: min(var(--shell), 100% - var(--gutter) * 2);
  margin-inline: auto;
}

:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 6px;
  box-shadow: 0 0 0 6px rgba(6, 24, 38, .55);
}

/* ---------- skip link ---------- */
.skip-link {
  position: fixed;
  top: .5rem;
  left: 50%;
  z-index: 200;
  padding: .7rem 1.25rem;
  border-radius: 999px;
  background: var(--cyan);
  color: #062018;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: .9rem;
  text-decoration: none;
  transform: translate(-50%, -180%);
  transition: transform .22s var(--ease);
}

.skip-link:focus {
  transform: translate(-50%, 0);
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  padding: .82em 1.35em;
  border: 1.5px solid transparent;
  border-radius: 999px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .95rem;
  line-height: 1;
  letter-spacing: .02em;
  text-decoration: none;
  cursor: pointer;
  transition: transform .2s var(--ease), background-color .2s var(--ease),
              color .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.btn--coral {
  background: var(--coral);
  color: #1B0F08;
  box-shadow: 0 8px 20px rgba(255, 107, 58, .24);
}

.btn--coral:hover {
  background: #FF8459;
  transform: translateY(-1px);
}

.btn--cyan {
  background: var(--cyan);
  color: #062018;
  box-shadow: 0 8px 20px rgba(97, 242, 208, .2);
}

.btn--cyan:hover {
  background: #8CF7E0;
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  border-color: rgba(247, 232, 214, .34);
  color: var(--cream);
}

.btn--ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.btn--compact {
  padding: .66em 1.05em;
  font-size: .84rem;
}

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  isolation: isolate;
  background-color: var(--night);
  background-image:
    repeating-linear-gradient(115deg, rgba(97, 242, 208, .055) 0 1px, transparent 1px 28px),
    radial-gradient(130% 190% at 50% -70%, #11405F 0%, #061826 60%, #061826 100%);
  color: var(--cream);
  border-bottom: 1px solid var(--line-cream);
}

.site-header::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 3px;
  background: linear-gradient(90deg,
    var(--red) 0 22%,
    var(--coral) 22% 44%,
    var(--cyan) 44% 58%,
    rgba(247, 232, 214, .18) 58% 100%);
}

.header-inner {
  width: min(var(--shell), 100% - var(--gutter) * 2);
  margin-inline: auto;
  padding-block: clamp(.65rem, 1.4vw, 1rem) .15rem;
}

.header-masthead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 1rem;
}

.header-masthead__aside {
  display: flex;
  flex-direction: column;
  gap: .15rem;
  justify-self: start;
  padding-left: .7rem;
  border-left: 1px solid rgba(247, 232, 214, .22);
}

.header-masthead__edition {
  font-size: .66rem;
  color: rgba(247, 232, 214, .62);
}

.header-masthead__version {
  font-size: .66rem;
  color: var(--cyan);
}

.masthead {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .2rem;
  text-align: center;
}

.masthead__brand {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.55rem, 2.8vw, 2rem);
  line-height: 1.14;
  letter-spacing: .13em;
  text-indent: .13em;
  color: var(--cream);
  text-decoration: none;
  transition: color .2s var(--ease), opacity .25s var(--ease);
}

.masthead__brand::before,
.masthead__brand::after {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-inline: .55rem;
  vertical-align: middle;
  transform: translateY(-3px) rotate(45deg);
  background: var(--coral);
}

.masthead__brand::after {
  background: var(--cyan);
}

.masthead__brand:hover {
  color: var(--cyan);
}

.masthead__meta {
  font-size: .62rem;
  letter-spacing: .18em;
  color: rgba(247, 232, 214, .58);
  transition: opacity .25s var(--ease);
}

.header-tools {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: .6rem;
  justify-self: end;
}

.site-header[data-scrolled] .header-masthead__aside,
.site-header[data-scrolled] .masthead__meta {
  opacity: .42;
}

/* ---------- primary nav ---------- */
.site-nav {
  margin-top: .55rem;
  border-top: 1px solid var(--line-cream);
}

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: clamp(.1rem, 1vw, .95rem);
  padding-top: .15rem;
}

.site-nav__link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: .45em;
  padding: .55rem .5rem;
  border-radius: var(--radius-sm);
  color: rgba(247, 232, 214, .84);
  font-family: var(--font-head);
  font-size: .93rem;
  font-weight: 600;
  letter-spacing: .03em;
  text-decoration: none;
  transition: color .2s var(--ease), background-color .2s var(--ease);
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: .5rem;
  right: .5rem;
  bottom: .26rem;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s var(--ease);
}

.site-nav__link:hover {
  color: var(--cyan);
  background: rgba(97, 242, 208, .07);
}

.site-nav__link:hover::after {
  transform: scaleX(1);
}

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

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

.site-nav__index {
  font-size: .6rem;
  letter-spacing: .06em;
  color: rgba(97, 242, 208, .5);
  transition: color .2s var(--ease);
}

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

.site-nav__text {
  white-space: nowrap;
}

.site-nav__cta {
  display: none;
}

/* ---------- nav toggle ---------- */
.nav-toggle {
  display: none;
  align-items: center;
  gap: .55rem;
  padding: .58rem .95rem;
  border: 1.5px solid rgba(247, 232, 214, .32);
  border-radius: 999px;
  background: rgba(247, 232, 214, .06);
  color: var(--cream);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .84rem;
  letter-spacing: .06em;
  cursor: pointer;
  transition: border-color .2s var(--ease), color .2s var(--ease), background-color .2s var(--ease);
}

.nav-toggle:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.nav-toggle__bars {
  position: relative;
  display: inline-block;
  width: 16px;
  height: 10px;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform .25s var(--ease), top .25s var(--ease), bottom .25s var(--ease);
}

.nav-toggle__bars::before { top: 0; }
.nav-toggle__bars::after { bottom: 0; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before {
  top: 4px;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after {
  bottom: 4px;
  transform: rotate(-45deg);
}

.nav-toggle__label {
  line-height: 1;
}

/* ---------- scroll progress ---------- */
.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: rgba(97, 242, 208, .12);
  overflow: hidden;
}

.scroll-progress__bar {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--coral) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .12s linear;
}

/* ---------- footer ---------- */
.site-footer {
  position: relative;
  margin: 0;
  padding-top: 0;
  background-color: var(--night);
  background-image:
    repeating-linear-gradient(115deg, rgba(97, 242, 208, .04) 0 1px, transparent 1px 32px),
    radial-gradient(120% 150% at 50% 0%, #0B2C44 0%, #061826 62%, #04121C 100%);
  color: rgba(247, 232, 214, .78);
  overflow: hidden;
}

.footer-stripe {
  height: 6px;
  background: linear-gradient(90deg,
    var(--red) 0 18%,
    var(--coral) 18% 38%,
    var(--cyan) 38% 52%,
    var(--navy) 52% 100%);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, .9fr) minmax(0, 1.25fr);
  gap: clamp(1.6rem, 4vw, 3.5rem);
  padding-block: clamp(2.2rem, 4.5vw, 3.6rem);
}

.footer-brand__edition {
  font-size: .66rem;
  letter-spacing: .18em;
  color: rgba(97, 242, 208, .8);
}

.footer-brand__name {
  display: inline-block;
  margin-top: .55rem;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.5rem, 2.6vw, 1.9rem);
  letter-spacing: .12em;
  color: var(--cream);
  text-decoration: none;
  transition: color .2s var(--ease);
}

.footer-brand__name:hover {
  color: var(--cyan);
}

.footer-brand__summary {
  max-width: 34ch;
  margin-top: .8rem;
  font-size: .93rem;
  line-height: 1.85;
  color: rgba(247, 232, 214, .66);
}

.footer-title {
  padding-bottom: .5rem;
  border-bottom: 1px solid rgba(247, 232, 214, .16);
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .22em;
  color: var(--coral);
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: .1rem;
  margin-top: .7rem;
}

.footer-list__link {
  display: inline-block;
  padding-block: .3rem;
  color: rgba(247, 232, 214, .82);
  font-size: .92rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.footer-list__link:hover {
  color: var(--cyan);
  border-bottom-color: rgba(97, 242, 208, .5);
}

.footer-contact__list {
  margin-top: .55rem;
}

.footer-contact__item {
  display: grid;
  gap: .1rem;
  padding-block: .55rem;
  border-bottom: 1px dashed rgba(247, 232, 214, .14);
}

.footer-contact__label {
  font-size: .64rem;
  letter-spacing: .2em;
  color: rgba(97, 242, 208, .85);
}

.footer-contact__value {
  font-size: .92rem;
  color: var(--cream);
  overflow-wrap: anywhere;
}

.footer-contact__note {
  margin-top: .85rem;
  font-size: .8rem;
  line-height: 1.75;
  color: rgba(247, 232, 214, .55);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .8rem 1.6rem;
  padding-block: 1.15rem 1.6rem;
  border-top: 1px solid rgba(247, 232, 214, .16);
}

.footer-bottom__meta {
  font-size: .72rem;
  letter-spacing: .1em;
  color: rgba(247, 232, 214, .58);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 1.15rem;
  font-size: .78rem;
}

.footer-legal__link {
  color: rgba(247, 232, 214, .74);
  text-decoration: none;
  border-bottom: 1px solid rgba(247, 232, 214, .26);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.footer-legal__link:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.footer-watermark {
  margin: 0;
  padding-bottom: clamp(.4rem, 1.6vw, 1.2rem);
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.6rem, 13vw, 9.5rem);
  line-height: .78;
  letter-spacing: .06em;
  text-align: center;
  white-space: nowrap;
  color: rgba(247, 232, 214, .055);
  user-select: none;
  pointer-events: none;
}

/* ---------- shared page primitives ---------- */
.section-band {
  padding-block: clamp(2.6rem, 6vw, 5.5rem);
}

.band--night {
  background-color: var(--night);
  color: var(--cream);
}

.band--navy {
  background-color: var(--navy);
  color: var(--cream);
}

.band--paper {
  background-color: var(--cream);
  background-image:
    radial-gradient(circle at 10% 6%, rgba(232, 213, 192, .9), transparent 52%),
    repeating-linear-gradient(0deg, rgba(36, 26, 21, .028) 0 1px, transparent 1px 4px);
  color: var(--ink);
  border-block: 1px solid var(--paper-shadow);
}

.section-head {
  display: grid;
  gap: .7rem;
  max-width: 62ch;
}

.section-head__eyebrow {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--red);
}

.band--night .section-head__eyebrow,
.band--navy .section-head__eyebrow {
  color: var(--cyan);
}

.section-head__title {
  font-size: clamp(1.7rem, 3.6vw, 2.7rem);
}

.section-head__note {
  max-width: 56ch;
  font-size: .96rem;
  color: var(--slate);
}

.band--night .section-head__note,
.band--navy .section-head__note {
  color: rgba(247, 232, 214, .68);
}

.marker-number {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 7vw, 4.6rem);
  font-weight: 700;
  line-height: .8;
  letter-spacing: -.02em;
  color: rgba(201, 71, 44, .26);
}

.band--night .marker-number,
.band--navy .marker-number {
  color: rgba(97, 242, 208, .3);
}

/* breadcrumbs */
.breadcrumbs {
  padding-block: 1rem;
  font-size: .78rem;
  color: var(--slate);
}

.site-header ~ main .band--night .breadcrumbs,
.band--night .breadcrumbs,
.band--navy .breadcrumbs {
  color: rgba(247, 232, 214, .66);
}

.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-mono);
  letter-spacing: .06em;
}

.breadcrumbs__item {
  display: flex;
  align-items: center;
  gap: .5rem;
}

.breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  color: rgba(73, 101, 122, .8);
}

.breadcrumbs__link {
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.breadcrumbs__link:hover {
  color: var(--coral);
  border-bottom-color: currentColor;
}

.breadcrumbs__current {
  color: inherit;
  opacity: .72;
}

/* prose */
.prose {
  max-width: 68ch;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--ink);
}

.prose h2 {
  margin-top: 2em;
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
}

.prose h3 {
  margin-top: 1.6em;
  font-size: clamp(1.1rem, 1.8vw, 1.3rem);
}

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

.prose ul,
.prose ol {
  margin-block: 1em;
  padding-left: 1.3em;
  list-style: disc;
}

.prose ol { list-style: decimal; }

.prose li { margin-block: .4em; }

.prose a {
  color: var(--red);
  text-underline-offset: .22em;
}

.prose strong { font-weight: 800; color: var(--ink); }

.prose blockquote {
  margin-block: 1.4em;
  padding: .2em 0 .2em 1.1em;
  border-left: 3px solid var(--coral);
  color: var(--slate);
}

/* grid */
.grid {
  display: grid;
  gap: clamp(1rem, 2.4vw, 2rem);
}

.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--7-5 { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.grid--4-8 { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); }

/* status panel */
.panel {
  border: 1px solid rgba(97, 242, 208, .24);
  border-radius: var(--radius-md);
  background: rgba(13, 53, 82, .58);
  color: var(--cream);
  overflow: hidden;
}

.panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .6rem 1rem;
  padding: .8rem 1.1rem;
  border-bottom: 1px solid rgba(97, 242, 208, .2);
  background: rgba(97, 242, 208, .08);
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .18em;
  color: rgba(247, 232, 214, .82);
}

.panel__body {
  padding: 1.1rem;
}

.band--paper .panel {
  border-color: var(--paper-shadow);
  background: #FFFBF4;
  color: var(--ink);
}

.band--paper .panel__head {
  border-bottom-color: var(--paper-shadow);
  background: var(--mist);
  color: var(--ink);
}

/* tags */
.tag {
  display: inline-flex;
  align-items: center;
  gap: .4em;
  padding: .34em .72em;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .12em;
  color: var(--cyan);
  white-space: nowrap;
}

.tag--cyan { color: var(--cyan); }
.tag--coral { color: var(--coral); }
.tag--ink { color: var(--ink); }

/* media frames */
.media-frame {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background-color: var(--navy);
  background-image:
    repeating-linear-gradient(125deg, rgba(97, 242, 208, .12) 0 1px, transparent 1px 22px),
    radial-gradient(120% 140% at 20% 10%, #15557D 0%, #061826 78%);
}

.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 4 / 5; }

.media-frame--organic {
  border-radius: 46% 54% 40% 60% / 52% 38% 62% 48%;
}

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

.media-frame__caption {
  position: absolute;
  left: clamp(.7rem, 2vw, 1.1rem);
  bottom: clamp(.7rem, 2vw, 1.1rem);
  padding: .42em .8em;
  border-radius: 999px;
  background: rgba(6, 24, 38, .76);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .12em;
}

/* reveal protocol */
.js-reveal [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}

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

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .site-nav__link { font-size: .88rem; padding-inline: .35rem; }
  .masthead__brand { letter-spacing: .1em; }
}

@media (max-width: 960px) {
  .header-masthead {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: .75rem;
  }

  .header-masthead__aside { display: none; }

  .masthead {
    align-items: flex-start;
    text-align: left;
  }

  .masthead__brand::before {
    margin-left: 0;
    margin-right: .45rem;
  }

  .masthead__brand::after { margin-inline: .45rem; }

  .header-tools__cta { display: none; }

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

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    margin-top: 0;
    padding: .35rem var(--gutter) 1.4rem;
    border-top: 1px solid rgba(97, 242, 208, .3);
    background-color: #081F30;
    background-image:
      repeating-linear-gradient(115deg, rgba(97, 242, 208, .05) 0 1px, transparent 1px 26px),
      linear-gradient(180deg, #0B2C44, #061826 78%);
    box-shadow: 0 26px 42px rgba(0, 0, 0, .48);
    max-height: 78vh;
    max-height: 78dvh;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity .24s var(--ease), transform .24s var(--ease), visibility .24s linear;
  }

  .site-nav[data-open] {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-top: .3rem;
  }

  .site-nav__item {
    border-bottom: 1px solid rgba(247, 232, 214, .1);
  }

  .site-nav__link {
    justify-content: flex-start;
    padding: .9rem .2rem .9rem .95rem;
    border-radius: 0;
    font-size: 1.02rem;
  }

  .site-nav__link::after {
    left: 0;
    right: auto;
    top: .55rem;
    bottom: .55rem;
    width: 3px;
    height: auto;
    transform: scaleY(0);
    transform-origin: top;
  }

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

  .site-nav__cta {
    display: inline-flex;
    width: 100%;
    margin-top: 1.05rem;
  }

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

  .footer-brand { grid-column: 1 / -1; }

  .footer-brand__summary { max-width: 52ch; }
}

@media (max-width: 640px) {
  .masthead__brand { font-size: 1.42rem; }
  .masthead__meta { font-size: .56rem; letter-spacing: .13em; }
  .nav-toggle { padding: .52rem .8rem; font-size: .8rem; }

  .site-nav__link { font-size: .98rem; }

  .grid--2,
  .grid--3,
  .grid--7-5,
  .grid--4-8 {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.9rem;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-legal { gap: .85rem; }

  .media-frame,
  .media-frame--organic { border-radius: var(--radius-md); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }

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

  .skip-link { transition: none; }
}