/* /assets/site.css — 乐鱼赛场 共享外壳 */

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

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

body { margin: 0; }

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

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

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

button { font: inherit; color: inherit; }

a { color: inherit; }

/* ---------- tokens ---------- */
:root {
  --sky-deep: #08182B;
  --sky-panel: #0F2438;
  --cyan: #3DF5D0;
  --cyan-dark: #1FB79B;
  --coral: #FF6B4A;
  --pearl: #F4F7F5;
  --slate: #7A8FA6;
  --paper: #EDE7DC;
  --ink: #05101C;

  --data-grad: linear-gradient(90deg, #3DF5D0 0%, #FF6B4A 100%);
  --rail-grad: linear-gradient(180deg, rgba(61,245,208,0) 0%, rgba(61,245,208,.34) 14%, rgba(122,143,166,.2) 62%, rgba(255,107,74,.3) 100%);

  --rail: 24px;
  --edge: calc(var(--rail) + 18px);
  --page-max: 1320px;

  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 22px;
  --r-pill: 999px;

  --step-xl: clamp(56px, 8vw, 96px);
  --step-lg: clamp(36px, 5vw, 56px);
  --step-md: 32px;
  --step-sm: 16px;

  --glow: 0 0 0 1px rgba(61,245,208,.16), 0 24px 48px -32px rgba(0,0,0,.95);

  --font-body: "HarmonyOS Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* ---------- base ---------- */
body {
  min-height: 100vh;
  background-color: var(--sky-deep);
  background-image:
    radial-gradient(900px 520px at 82% -6%, rgba(61,245,208,.14), transparent 62%),
    radial-gradient(760px 480px at 2% 14%, rgba(255,107,74,.10), transparent 60%);
  background-repeat: no-repeat;
  color: var(--pearl);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  letter-spacing: .01em;
  overflow-x: hidden;
}

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

/* 框架式装裱竖线 */
body::before,
body::after {
  content: "";
  position: fixed;
  top: 0;
  bottom: 0;
  width: 1px;
  z-index: 40;
  pointer-events: none;
  background: var(--rail-grad);
}

body::before { left: var(--rail); }

body::after { right: var(--rail); }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: 3px;
}

.site-header :focus-visible,
.site-footer :focus-visible {
  box-shadow: 0 0 0 4px rgba(8,24,43,.92);
}

/* ---------- skip link ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
  z-index: 120;
  padding: 10px 18px;
  background: var(--cyan);
  color: #04231d;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  border-radius: var(--r-pill);
  text-decoration: none;
}

.skip-link:focus {
  left: calc(var(--rail) + 8px);
}

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: linear-gradient(180deg, rgba(8,24,43,.97) 0%, rgba(8,24,43,.9) 100%);
  border-bottom: 1px solid var(--ink);
  backdrop-filter: blur(10px);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  pointer-events: none;
  background: linear-gradient(90deg, transparent 0%, rgba(61,245,208,.5) 22%, rgba(61,245,208,.5) 78%, transparent 100%);
}

.site-header[data-open="true"] {
  background: #08182B;
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: 18px;
  width: 100%;
  max-width: var(--page-max);
  margin-inline: auto;
  padding: 13px var(--edge);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  text-decoration: none;
  color: var(--pearl);
}

.brand-mark {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--cyan);
  padding: 6px 9px;
  border: 1px solid rgba(61,245,208,.42);
  border-radius: 5px;
  background: rgba(61,245,208,.07);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-name {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .08em;
}

.brand-tagline {
  font-size: 10px;
  letter-spacing: .2em;
  color: var(--slate);
}

/* navigation */
.nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: center;
}

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

.nav-list a {
  position: relative;
  display: block;
  padding: 11px 12px;
  font-size: 14px;
  letter-spacing: .04em;
  color: rgba(244,247,245,.76);
  text-decoration: none;
  border-radius: var(--r-sm);
  transition: color .2s ease-out, background-color .2s ease-out;
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 4px;
  height: 2px;
  background: var(--coral);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .24s ease-out;
}

.nav-list a:hover {
  color: var(--pearl);
  background: rgba(61,245,208,.07);
}

.nav-list a:hover::after,
.nav-list a:focus-visible::after {
  transform: scaleX(1);
}

.nav-list a[aria-current="page"] {
  color: var(--cyan);
}

.nav-list a[aria-current="page"]::after {
  transform: scaleX(1);
}

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

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .2s ease-out, color .2s ease-out, border-color .2s ease-out, transform .2s ease-out;
}

.btn-primary {
  background: var(--cyan);
  color: #04231d;
}

.btn-primary:hover {
  background: #63f8dc;
  transform: translateY(-2px);
}

.btn-ghost {
  border-color: rgba(244,247,245,.26);
  color: var(--pearl);
}

.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}

/* nav toggle */
.nav-toggle {
  display: none;
  margin-left: auto;
  width: 46px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-sm);
  border: 1px solid rgba(61,245,208,.34);
  background: rgba(61,245,208,.07);
  cursor: pointer;
  transition: border-color .2s ease-out, background-color .2s ease-out;
}

.nav-toggle:hover {
  border-color: var(--cyan);
  background: rgba(61,245,208,.14);
}

.nav-toggle-lines {
  display: block;
  width: 20px;
  height: 14px;
  background:
    linear-gradient(var(--cyan), var(--cyan)) 0 0 / 100% 2px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) 0 6px / 100% 2px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) 0 12px / 100% 2px no-repeat;
  transition: transform .24s ease-out, background-size .24s ease-out;
}

.site-header[data-open="true"] .nav-toggle-lines {
  background:
    linear-gradient(var(--coral), var(--coral)) 0 6px / 100% 2px no-repeat;
  transform: rotate(90deg);
}

/* scroll meter */
.scroll-meter {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  overflow: hidden;
  pointer-events: none;
}

.scroll-meter span {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: var(--data-grad);
}

/* ---------- layout helpers ---------- */
.shell {
  width: 100%;
  max-width: var(--page-max);
  margin-inline: auto;
  padding-inline: var(--edge);
}

.section {
  padding-block: var(--step-xl);
}

.section--tight {
  padding-block: var(--step-lg);
}

.rail-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
  gap: var(--step-lg);
  align-items: start;
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 24px;
}

.rule {
  height: 1px;
  border: 0;
  margin: 0;
  background: linear-gradient(90deg, rgba(61,245,208,.5) 0%, rgba(122,143,166,.12) 70%, transparent 100%);
}

/* ---------- typography ---------- */
.t-display {
  font-size: clamp(44px, 7.4vw, 120px);
  line-height: .94;
  letter-spacing: -.02em;
  font-weight: 250;
}

.t-display .is-thin { font-weight: 200; }

.t-display .is-strong { font-weight: 900; }

.t-h1 {
  font-size: clamp(32px, 4.4vw, 62px);
  line-height: 1.06;
  letter-spacing: -.01em;
  font-weight: 800;
}

.t-h2 {
  font-size: clamp(25px, 3vw, 40px);
  line-height: 1.14;
  font-weight: 800;
}

.t-h3 {
  font-size: 20px;
  line-height: 1.3;
  font-weight: 700;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
  opacity: .75;
}

.index-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--slate);
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
}

.prose {
  max-width: 34em;
  font-size: 17px;
  line-height: 1.78;
  color: rgba(244,247,245,.86);
}

.prose p + p { margin-top: 1em; }

.prose h2,
.prose h3 { margin-bottom: .4em; }

.prose a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61,245,208,.4);
}

.prose a:hover { border-bottom-color: var(--cyan); }

.data-num {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .data-num {
    background: var(--data-grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
  }
}

/* ---------- breadcrumb ---------- */
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--slate);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(122,143,166,.5);
}

.breadcrumb a {
  color: var(--slate);
  text-decoration: none;
  transition: color .2s ease-out;
}

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

/* ---------- cards ---------- */
.card {
  position: relative;
  overflow: hidden;
  padding: 24px;
  border-radius: var(--r-md);
  border: 1px solid rgba(61,245,208,.18);
  background: linear-gradient(160deg, rgba(15,36,56,.96) 0%, rgba(8,24,43,.96) 100%);
  box-shadow: var(--glow);
  transition: transform .24s ease-out, border-color .24s ease-out, box-shadow .24s ease-out;
}

.card:hover,
.card:focus-within {
  transform: translateY(-6px);
  border-color: rgba(61,245,208,.55);
  box-shadow: 0 0 0 1px rgba(61,245,208,.28), 0 30px 54px -30px rgba(0,0,0,.95);
}

.card-tag {
  position: absolute;
  right: 10px;
  bottom: 10px;
  pointer-events: none;
  padding: 4px 8px;
  border-radius: 2px;
  background: var(--paper);
  color: #1a1206;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  opacity: 0;
  transform: translate(6px, 6px);
  transition: opacity .24s ease-out, transform .24s ease-out;
}

.card:hover .card-tag,
.card:focus-within .card-tag {
  opacity: 1;
  transform: translate(0, 0);
}

/* ---------- tags & chips ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(61,245,208,.4);
  background: rgba(61,245,208,.07);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.tag--paper {
  background: var(--paper);
  border-color: transparent;
  color: #141008;
}

.tag--coral {
  border-color: rgba(255,107,74,.5);
  background: rgba(255,107,74,.1);
  color: var(--coral);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  appearance: none;
  cursor: pointer;
  padding: 8px 14px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(122,143,166,.4);
  background: transparent;
  color: var(--slate);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  transition: color .2s ease-out, border-color .2s ease-out, background-color .2s ease-out;
}

.chip:hover {
  color: var(--pearl);
  border-color: var(--cyan);
}

.chip[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #04231d;
  font-weight: 700;
}

/* ---------- stats ---------- */
.stat { display: block; }

.stat-value {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(28px, 3.6vw, 46px);
  line-height: 1.05;
  letter-spacing: -.03em;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--slate);
}

/* ---------- timeline ---------- */
.timeline {
  position: relative;
  padding-left: 28px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, rgba(61,245,208,.55) 0%, rgba(61,245,208,.05) 100%);
}

.timeline-item {
  position: relative;
  padding-bottom: 30px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--sky-deep);
  border: 1px solid var(--cyan);
  box-shadow: 0 0 0 4px rgba(61,245,208,.12);
}

.timeline-item[data-state="active"]::before {
  background: var(--coral);
  border-color: var(--coral);
  box-shadow: 0 0 0 4px rgba(255,107,74,.16);
}

.timeline-step {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--slate);
}

/* ---------- swimlane ---------- */
.swimlane {
  display: flex;
  gap: 16px;
  padding: 8px 4px 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: rgba(61,245,208,.35) transparent;
}

.swimlane > * {
  flex: 0 0 min(320px, 78vw);
  scroll-snap-align: start;
}

.swimlane::-webkit-scrollbar { height: 6px; }

.swimlane::-webkit-scrollbar-track { background: rgba(122,143,166,.12); }

.swimlane::-webkit-scrollbar-thumb {
  background: rgba(61,245,208,.35);
  border-radius: 3px;
}

/* ---------- media frame ---------- */
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--r-md);
  border: 1px solid rgba(61,245,208,.22);
  aspect-ratio: 16 / 9;
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(61,245,208,.22), transparent 58%),
    radial-gradient(120% 120% at 88% 100%, rgba(255,107,74,.2), transparent 60%),
    linear-gradient(160deg, #0F2438 0%, #08182B 100%);
}

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

.media-frame--classic { aspect-ratio: 4 / 3; }

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

.media-frame--portrait { aspect-ratio: 3 / 4; }

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

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

.media-frame.is-diagonal::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(115deg, rgba(61,245,208,.14) 0 34%, transparent 34.4%);
}

.media-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--slate);
}

/* ---------- reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .48s ease-out, transform .48s ease-out;
}

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

/* ---------- footer ---------- */
.site-footer {
  position: relative;
  margin-top: var(--step-xl);
  border-top: 1px solid var(--ink);
  background: #061321;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 2px;
  opacity: .7;
  background: var(--data-grad);
}

.footer-inner {
  width: 100%;
  max-width: var(--page-max);
  margin-inline: auto;
  padding: var(--step-xl) var(--edge) 30px;
}

.footer-lede {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 32px;
  align-items: end;
  padding-bottom: var(--step-lg);
  border-bottom: 1px solid rgba(122,143,166,.2);
}

.footer-mark {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(44px, 10vw, 110px);
  line-height: .85;
  letter-spacing: .04em;
  color: rgba(61,245,208,.5);
  -webkit-text-stroke: 1px rgba(61,245,208,.55);
}

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

.footer-brand {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: .08em;
}

.footer-intro {
  max-width: 34em;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(244,247,245,.72);
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) minmax(0, 1.35fr);
  gap: 32px;
  padding-block: var(--step-lg);
}

.footer-col-title {
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.footer-list li + li { margin-top: 10px; }

.footer-list a {
  font-size: 14px;
  color: rgba(244,247,245,.75);
  text-decoration: none;
  transition: color .2s ease-out;
}

.footer-list a:hover {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.contact-list .contact-row {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
}

.contact-list .contact-row + .contact-row { margin-top: 10px; }

.contact-list dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--slate);
}

.contact-list dd {
  font-size: 14px;
  color: rgba(244,247,245,.86);
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  padding-top: 24px;
  border-top: 1px solid rgba(122,143,166,.2);
}

.footer-legal,
.footer-copy {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--slate);
}

.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-legal-links a {
  font-size: 12px;
  color: var(--slate);
  text-decoration: none;
  transition: color .2s ease-out;
}

.footer-legal-links a:hover { color: var(--cyan); }

.to-top {
  margin-left: auto;
  cursor: pointer;
  padding: 10px 16px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(61,245,208,.35);
  background: transparent;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  transition: background-color .2s ease-out, color .2s ease-out, border-color .2s ease-out;
}

.to-top:hover {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #04231d;
}

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .header-actions { display: none; }

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

  .nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    display: block;
    max-height: 0;
    opacity: 0;
    visibility: hidden;
    overflow: hidden;
    border-top: 1px solid var(--ink);
    border-bottom: 1px solid rgba(61,245,208,.28);
    background: linear-gradient(180deg, #0F2438 0%, #0B1D30 100%);
    transition: max-height .3s ease-out, opacity .22s ease-out, visibility .22s;
  }

  .site-header[data-open="true"] .nav {
    max-height: min(72vh, 520px);
    opacity: 1;
    visibility: visible;
    overflow-y: auto;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    padding: 8px var(--edge) 20px;
  }

  .nav-list li { border-bottom: 1px solid rgba(122,143,166,.16); }

  .nav-list li:last-child { border-bottom: 0; }

  .nav-list a {
    padding: 16px 2px;
    font-size: 16px;
    border-radius: 0;
    background: transparent;
  }

  .nav-list a::after {
    left: 2px;
    right: auto;
    width: 20px;
    bottom: 8px;
  }

  .rail-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--step-md);
  }
}

@media (max-width: 980px) {
  .footer-lede {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
  }

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

  .grid-12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

@media (max-width: 700px) {
  body { font-size: 16px; }

  .brand-tagline { display: none; }

  .footer-cols {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

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

  .to-top { margin-left: 0; }

  .grid-12 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .contact-list .contact-row {
    grid-template-columns: 52px minmax(0, 1fr);
  }
}

@media (max-width: 420px) {
  :root { --rail: 12px; }
}

/* ---------- motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }

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