/* =========================================================
   星空赛场 · Site Kit
   Blueprint grid × deep-space orbit
   /assets/site.css
   ========================================================= */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 104px;
}

body, h1, h2, h3, h4, h5, p, figure, blockquote, dl, dd, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; padding: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; width: 100%; }
hr { border: 0; }

/* ---------- 2. Tokens ---------- */
:root {
  --ink-900: #070B18;
  --ink-800: #0E1730;
  --ink-700: #141F3A;
  --line: #22314F;
  --paper: #F5F8FF;
  --muted: #9BA8C7;
  --violet: #7C5CFF;
  --orange: #FF7A3D;
  --cyan: #5DE0E6;
  --green: #3DDC97;

  --shell-max: 1280px;
  --gutter: clamp(18px, 4vw, 56px);

  --font-cn: "HarmonyOS Sans SC", "Noto Sans SC", "PingFang SC",
             "Hiragino Sans GB", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace,
               "SFMono-Regular", Menlo, Consolas, monospace;

  --shadow-hard: 6px 6px 0 rgba(0, 0, 0, .55);
  --shadow-lift: 0 30px 70px -40px rgba(124, 92, 255, .85);

  --ease: cubic-bezier(.22, .68, 0, 1);
  --dur: 200ms;
}

/* ---------- 3. Base / 中文排版 ---------- */
body {
  font-family: var(--font-cn);
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: .012em;
  color: var(--paper);
  background-color: var(--ink-900);
  background-image:
    radial-gradient(1px 1px at 12% 16%, rgba(245, 248, 255, .45), transparent 100%),
    radial-gradient(1px 1px at 47% 7%,  rgba(245, 248, 255, .30), transparent 100%),
    radial-gradient(1px 1px at 83% 24%, rgba(245, 248, 255, .38), transparent 100%),
    radial-gradient(1px 1px at 31% 63%, rgba(245, 248, 255, .20), transparent 100%),
    radial-gradient(1px 1px at 68% 78%, rgba(245, 248, 255, .24), transparent 100%),
    radial-gradient(1200px 620px at 82% -12%, rgba(124, 92, 255, .18), transparent 62%),
    radial-gradient(900px 520px at 2% 0%, rgba(93, 224, 230, .10), transparent 60%);
  background-repeat: no-repeat;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.008em;
  text-wrap: balance;
}

p { text-wrap: pretty; }
strong, b { font-weight: 700; color: var(--paper); }
small { font-size: 12px; color: var(--muted); }

::selection { background: rgba(124, 92, 255, .55); color: #fff; }

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

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

.grid {
  display: grid;
  gap: clamp(16px, 2vw, 28px);
  grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 760px) {
  .grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 980px) {
  .grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.rule {
  height: 1px;
  width: 100%;
  border: 0;
  background: linear-gradient(90deg, var(--line), rgba(34, 49, 79, .15) 60%, transparent);
  margin-block: clamp(28px, 4vw, 56px);
}

/* ---------- 5. Small type language ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .26em;
  color: var(--cyan);
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
  flex: 0 0 auto;
}

.index-num {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--muted);
}
.index-num::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--orange);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(255, 122, 61, .18);
}

/* ---------- 6. Buttons ---------- */
.btn {
  --btn-bg: var(--ink-700);
  --btn-fg: var(--paper);
  --btn-bd: var(--line);
  --btn-shadow: rgba(0, 0, 0, .55);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border: 1px solid var(--btn-bd);
  border-radius: 2px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--font-cn);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: .08em;
  white-space: nowrap;
  box-shadow: 4px 4px 0 var(--btn-shadow);
  transition: transform var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease),
              background-color var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}
.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--btn-shadow);
}
.btn:active {
  transform: translate(1px, 1px);
  box-shadow: 2px 2px 0 var(--btn-shadow);
}
.btn--accent {
  --btn-bg: var(--orange);
  --btn-fg: #070B18;
  --btn-bd: var(--orange);
  --btn-shadow: rgba(124, 92, 255, .42);
  letter-spacing: .1em;
}
.btn--accent:hover { --btn-bg: #FF8B57; }
.btn--primary {
  --btn-bg: var(--violet);
  --btn-fg: #FFFFFF;
  --btn-bd: #9B85FF;
  --btn-shadow: rgba(0, 0, 0, .55);
}
.btn--primary:hover { --btn-bg: #8C6FFF; }
.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--paper);
  --btn-bd: var(--line);
  --btn-shadow: rgba(0, 0, 0, .45);
}
.btn--ghost:hover { --btn-bd: var(--cyan); --btn-fg: var(--cyan); }

/* ---------- 7. Panels / tags / media ---------- */
.panel {
  position: relative;
  padding: clamp(18px, 2.4vw, 28px);
  border: 1px solid var(--line);
  border-radius: 2px;
  background:
    linear-gradient(180deg, rgba(20, 31, 58, .94), rgba(14, 23, 48, .94));
  box-shadow: var(--shadow-hard);
}
.panel::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 16px;
  height: 16px;
  border-top: 2px solid var(--cyan);
  border-left: 2px solid var(--cyan);
  pointer-events: none;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: rgba(124, 92, 255, .14);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  line-height: 1.5;
  white-space: nowrap;
}
.tag--accent {
  background: rgba(255, 122, 61, .14);
  border-color: rgba(255, 122, 61, .5);
  color: var(--orange);
}
.tag--ok {
  background: rgba(61, 220, 151, .12);
  border-color: rgba(61, 220, 151, .45);
  color: var(--green);
}

.media {
  position: relative;
  display: block;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  border-radius: 2px;
  background:
    radial-gradient(120% 100% at 18% 0%, rgba(124, 92, 255, .22), transparent 62%),
    linear-gradient(160deg, #0B1328, #070B18 64%);
}
.media > img,
.media > picture,
.media > picture > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media > img,
.media > picture > img {
  filter: saturate(.72) contrast(1.06) brightness(.92);
}
.media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .45;
  background-image:
    linear-gradient(to right, rgba(34, 49, 79, .7) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(34, 49, 79, .55) 1px, transparent 1px);
  background-size: 64px 64px;
}
.media--wide { aspect-ratio: 21 / 9; }
.media--tall { aspect-ratio: 4 / 5; }

/* ---------- 8. Breadcrumb / prose ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-block: clamp(20px, 3vw, 36px) 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--muted);
}
.breadcrumb a {
  color: var(--muted);
  transition: color var(--dur) var(--ease);
}
.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb__sep { color: var(--line); }

.prose { max-width: 74ch; }
.prose p {
  font-size: clamp(15.5px, 1.1vw, 17px);
  line-height: 1.9;
  color: rgba(245, 248, 255, .86);
}
.prose p + p { margin-top: 1.05em; }
.prose h2,
.prose h3 {
  margin-top: 1.9em;
  margin-bottom: .6em;
  color: var(--paper);
}
.prose h2 { font-size: clamp(22px, 2.4vw, 30px); }
.prose h3 { font-size: clamp(17px, 1.6vw, 21px); }
.prose ul,
.prose ol {
  margin-top: 1em;
  padding-left: 1.2em;
  list-style: disc;
  color: rgba(245, 248, 255, .86);
  line-height: 1.9;
}
.prose li + li { margin-top: .45em; }
.prose a {
  color: var(--cyan);
  border-bottom: 1px solid rgba(93, 224, 230, .4);
}

/* ---------- 9. Skip link ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 300;
  padding: 10px 16px;
  border-radius: 2px;
  background: var(--cyan);
  color: #070B18;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  transform: translateY(-240%);
  transition: transform 180ms var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
  outline: 2px solid var(--paper);
  outline-offset: 2px;
}

/* =========================================================
   10. HEADER
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: linear-gradient(
    to bottom,
    rgba(7, 11, 24, .92) 0%,
    rgba(7, 11, 24, .55) 62%,
    rgba(7, 11, 24, 0) 100%);
  border-bottom: 1px solid transparent;
  transition: background-color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled {
  background-color: rgba(7, 11, 24, .96);
  background-image: none;
  border-bottom-color: var(--line);
  box-shadow: 0 22px 48px -38px #000;
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
}

.site-header__ticks {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 5px;
  pointer-events: none;
  opacity: .5;
  background-image: repeating-linear-gradient(
    to right,
    var(--line) 0 1px,
    transparent 1px 26px);
}
.is-scrolled .site-header__ticks { opacity: .85; }

.site-header__inner {
  position: static;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 64px;
}

/* Brand */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: 0 0 auto;
  padding-block: 8px;
}
.brand__mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background:
    radial-gradient(circle at 30% 18%, rgba(124, 92, 255, .6), transparent 64%),
    var(--ink-700);
  box-shadow: inset 0 0 0 1px rgba(93, 224, 230, .14);
  transition: border-color var(--dur) var(--ease);
}
.brand__mark::before,
.brand__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
}
.brand__mark::before {
  width: 14px;
  height: 1px;
  background: var(--orange);
  transform: translate(-50%, -50%);
}
.brand__mark::after {
  width: 1px;
  height: 14px;
  background: var(--cyan);
  transform: translate(-50%, -50%);
}
.brand:hover .brand__mark { border-color: var(--violet); }

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand__name {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .2em;
  color: var(--paper);
}
.brand__meta {
  margin-top: 5px;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: .24em;
  color: var(--muted);
}

.site-header__descriptor {
  display: none;
  max-width: 230px;
  padding-left: 22px;
  border-left: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.55;
  letter-spacing: .04em;
  color: var(--muted);
}

/* Nav */
.primary-nav { display: none; }

.site-header[data-open="true"] .primary-nav {
  display: block;
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  max-height: calc(100vh - 64px);
  overflow-y: auto;
  padding: 10px var(--gutter) 22px;
  background: rgba(14, 23, 48, .985);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 40px 70px -40px #000;
}

.primary-nav__list {
  display: flex;
  flex-direction: column;
}
.primary-nav__link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 2px;
  border-bottom: 1px solid rgba(34, 49, 79, .8);
  font-size: 15px;
  font-weight: 600;
  color: var(--muted);
  transition: color var(--dur) var(--ease),
              background-color var(--dur) var(--ease);
}
.primary-nav__list > li:last-child .primary-nav__link { border-bottom: 0; }
.primary-nav__link:hover { color: var(--paper); }

.primary-nav__index {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: .16em;
  color: rgba(155, 168, 199, .55);
  transition: color var(--dur) var(--ease);
}

.primary-nav__link[aria-current="page"] {
  color: var(--paper);
}
.primary-nav__link[aria-current="page"] .primary-nav__index {
  color: var(--orange);
}

/* Header actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}
.header-cta {
  padding: 9px 13px;
  font-size: 11.5px;
  letter-spacing: .08em;
  box-shadow: 3px 3px 0 rgba(124, 92, 255, .42);
}
.header-cta:hover { box-shadow: 5px 5px 0 rgba(124, 92, 255, .5); }

/* Toggle */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  height: 40px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: rgba(20, 31, 58, .9);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  transition: border-color var(--dur) var(--ease),
              background-color var(--dur) var(--ease);
}
.nav-toggle:hover {
  border-color: var(--violet);
  background: rgba(124, 92, 255, .2);
}
.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 16px;
}
.nav-toggle__bars span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: currentColor;
  transition: transform var(--dur) var(--ease);
}
.nav-toggle[aria-expanded="true"] {
  border-color: var(--orange);
  color: var(--orange);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:first-child {
  transform: translateY(2.75px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:last-child {
  transform: translateY(-2.75px) rotate(-45deg);
}

/* Reading progress */
.read-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  overflow: hidden;
  pointer-events: none;
  background: rgba(34, 49, 79, .55);
}
.read-progress__bar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--violet) 0%, var(--cyan) 55%, var(--orange) 100%);
  transition: transform 90ms linear;
}

@media (max-width: 419px) {
  .header-cta { display: none; }
  .brand__name { font-size: 14px; letter-spacing: .16em; }
}

@media (min-width: 1080px) {
  .site-header__inner { min-height: 78px; gap: clamp(16px, 2vw, 30px); }
  .nav-toggle { display: none; }

  .primary-nav {
    display: block;
    margin-left: clamp(14px, 2vw, 28px);
    padding-left: clamp(14px, 2vw, 28px);
    border-left: 1px solid var(--line);
  }
  .site-header[data-open="true"] .primary-nav {
    position: static;
    display: block;
    max-height: none;
    overflow: visible;
    padding: 0 0 0 clamp(14px, 2vw, 28px);
    background: none;
    border: 0;
    border-left: 1px solid var(--line);
    box-shadow: none;
  }
  .primary-nav__list { flex-direction: row; align-items: center; gap: 2px; }
  .primary-nav__link {
    align-items: center;
    gap: 6px;
    padding: 8px 11px;
    border-bottom: 0;
    font-size: 13.5px;
    font-weight: 500;
  }
  .primary-nav__link::after {
    content: "";
    position: absolute;
    left: 11px;
    right: 11px;
    bottom: 2px;
    height: 2px;
    background: var(--orange);
    transform: scaleX(0);
    transform-origin: 0 50%;
    transition: transform var(--dur) var(--ease);
  }
  .primary-nav__link:hover::after,
  .primary-nav__link[aria-current="page"]::after { transform: scaleX(1); }
  .primary-nav__link[aria-current="page"] {
    background: rgba(124, 92, 255, .14);
    border-radius: 2px;
  }
  .primary-nav__index { font-size: 9.5px; }
}

@media (min-width: 1280px) {
  .site-header__descriptor { display: block; }
}

/* =========================================================
   11. FOOTER
   ========================================================= */
.site-footer {
  position: relative;
  margin-top: clamp(56px, 9vw, 118px);
  overflow: hidden;
  border-top: 1px solid var(--line);
  background-color: var(--ink-800);
  background-image:
    radial-gradient(1100px 420px at 12% -14%, rgba(124, 92, 255, .22), transparent 62%),
    radial-gradient(760px 340px at 92% 0%, rgba(93, 224, 230, .12), transparent 60%);
  background-repeat: no-repeat;
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .55;
  background-image:
    linear-gradient(to right, rgba(34, 49, 79, .75) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(34, 49, 79, .45) 1px, transparent 1px);
  background-size: 120px 120px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 74%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 74%);
}
.site-footer::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 5px;
  pointer-events: none;
  opacity: .8;
  background-image: repeating-linear-gradient(
    to right,
    var(--line) 0 1px,
    transparent 1px 20px);
}

.site-footer__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  padding-block: clamp(46px, 7vw, 88px) clamp(30px, 4vw, 54px);
}
@media (min-width: 720px) {
  .site-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
}
@media (min-width: 1080px) {
  .site-footer__grid { grid-template-columns: 1.7fr .85fr 1.1fr; }
  .footer-brand { grid-column: auto; }
}

.footer-brand__line {
  font-size: clamp(30px, 5vw, 46px);
  font-weight: 200;
  line-height: 1.04;
  letter-spacing: .1em;
  color: var(--paper);
}
.footer-brand__sub {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .18em;
  color: var(--cyan);
}
.footer-brand__summary {
  max-width: 48ch;
  margin-top: 18px;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
}

.footer-col__title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--paper);
}
.footer-col__num {
  font-size: 10px;
  color: rgba(155, 168, 199, .55);
}

.footer-list li + li { margin-top: 9px; }
.footer-list a {
  position: relative;
  display: inline-block;
  font-size: 13.5px;
  color: var(--muted);
  transition: color var(--dur) var(--ease);
}
.footer-list a::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 50%;
  width: 8px;
  height: 1px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform var(--dur) var(--ease);
}
.footer-list a:hover { color: var(--paper); }
.footer-list a:hover::before { transform: scaleX(1); }

.footer-list--contact li + li { margin-top: 12px; }
.footer-key {
  display: block;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .22em;
  color: rgba(155, 168, 199, .6);
}
.footer-val {
  display: block;
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.site-footer__legal {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 28px;
  padding-block: 18px 24px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--muted);
}
.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
}
.footer-legal a {
  color: var(--muted);
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: color var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}
.footer-legal a:hover {
  color: var(--paper);
  border-bottom-color: var(--orange);
}
.footer-legal__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
}
.footer-legal__icp {
  padding: 3px 9px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: rgba(7, 11, 24, .72);
  color: var(--paper);
  letter-spacing: .04em;
}
.footer-legal__copy { color: var(--muted); }

/* =========================================================
   12. Reveal / motion
   ========================================================= */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 480ms var(--ease), transform 480ms var(--ease);
  will-change: opacity, transform;
}
[data-reveal].is-revealed {
  opacity: 1;
  transform: none;
  will-change: auto;
}

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

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

  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
  .btn:hover,
  .btn:active {
    transform: none;
  }
  .read-progress__bar { transition: none; }
}