:root {
  --color-ink: #060914;
  --color-navy: #0c1730;
  --color-orbit: #14294d;
  --color-moon: #f5f7ff;
  --color-mist: #a9b4cc;
  --color-cyan: #37f0c0;
  --color-violet: #6c5aa8;
  --color-orange: #ff9d4d;
  --color-teal: #1a8d7a;
  --color-glass: rgba(245, 247, 255, 0.08);
  --color-line: rgba(245, 247, 255, 0.14);
  --color-line-strong: rgba(245, 247, 255, 0.28);
  --color-moon-soft: rgba(245, 247, 255, 0.68);
  --color-ink-soft: rgba(6, 9, 20, 0.76);
  --font-display: "Archivo Narrow", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans SC", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-data: "IBM Plex Mono", "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  --shell: 1440px;
  --gutter: clamp(1.25rem, 4vw, 4rem);
  --gap: clamp(1rem, 2vw, 2rem);
  --radius: 2px;
  --ease: cubic-bezier(0.22, 0.8, 0.24, 1);
  --header-upper-min: 70px;
  --header-lower-min: 58px;
}

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

html {
  color-scheme: dark;
  scroll-behavior: smooth;
  scroll-padding-top: 150px;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--color-moon);
  background-color: var(--color-ink);
  background-image:
    radial-gradient(circle at 16% 10%, rgba(108, 90, 168, 0.13), transparent 30rem),
    radial-gradient(circle at 86% 4%, rgba(55, 240, 192, 0.055), transparent 24rem);
  font-family: var(--font-body);
  font-size: clamp(1rem, 0.96rem + 0.16vw, 1.125rem);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body,
button,
a {
  font-family: var(--font-body);
}

h1,
h2,
h3,
h4,
.display {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.8rem, 8vw, 7.5rem);
}

h2 {
  font-size: clamp(2rem, 4.6vw, 4.5rem);
}

h3 {
  font-size: clamp(1.35rem, 2.3vw, 2.1rem);
}

p {
  margin: 0;
}

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

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  color: inherit;
}

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

button {
  cursor: pointer;
}

code,
kbd,
samp,
.mono,
.data {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
}

.mono {
  letter-spacing: 0.04em;
}

::selection {
  color: var(--color-ink);
  background: var(--color-cyan);
}

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

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

.u-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;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-cyan);
  font-family: var(--font-data);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  line-height: 1.4;
  text-transform: uppercase;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 1000;
  padding: 0.7rem 1rem;
  color: var(--color-ink);
  background: var(--color-cyan);
  border: 1px solid var(--color-cyan);
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-weight: 700;
  transform: translateY(-160%);
  transition: transform 180ms var(--ease);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  color: var(--color-moon);
  background: rgba(6, 9, 20, 0.92);
  border-bottom: 1px solid var(--color-line);
  backdrop-filter: blur(18px);
  isolation: isolate;
}

.site-header__upper {
  background:
    linear-gradient(90deg, rgba(12, 23, 48, 0.98), rgba(6, 9, 20, 0.88) 68%, rgba(20, 41, 77, 0.48));
  border-bottom: 1px solid var(--color-line);
}

.site-header__upper-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(1rem, 2.5vw, 2.5rem);
  min-height: var(--header-upper-min);
  padding-block: 0.55rem;
  transition: min-height 220ms var(--ease), padding 220ms var(--ease);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-width: 0;
  color: var(--color-moon);
}

.brand__mark {
  position: relative;
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(245, 247, 255, 0.22);
  border-radius: 50%;
  background:
    radial-gradient(circle at center, rgba(55, 240, 192, 0.16), transparent 62%),
    rgba(20, 41, 77, 0.42);
  box-shadow: inset 0 0 0 7px rgba(245, 247, 255, 0.025);
  transition: width 220ms var(--ease), height 220ms var(--ease);
}

.brand__mark::before,
.brand__mark::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.brand__mark::before {
  inset: 7px;
  border: 1px solid rgba(55, 240, 192, 0.5);
}

.brand__mark::after {
  inset: 0;
  border: 1px solid transparent;
  border-top-color: rgba(245, 247, 255, 0.42);
  border-left-color: rgba(245, 247, 255, 0.16);
  transform: rotate(-24deg);
}

.brand__dot {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-cyan);
  box-shadow: 0 0 14px rgba(55, 240, 192, 0.9);
  transform: translate(-50%, -50%);
}

.brand__type {
  display: grid;
  gap: 0.1rem;
  min-width: 0;
}

.brand__name {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 1.6vw, 1.55rem);
  font-weight: 900;
  letter-spacing: 0.08em;
  line-height: 1.1;
}

.brand__descriptor {
  display: block;
  color: var(--color-mist);
  font-family: var(--font-data);
  font-size: clamp(0.58rem, 0.72vw, 0.68rem);
  letter-spacing: 0.13em;
  line-height: 1.4;
}

.header-meta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(0.9rem, 2.4vw, 2rem);
  min-width: 0;
}

.header-meta__edition {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
  color: var(--color-mist);
  font-family: var(--font-data);
  font-size: 0.72rem;
  line-height: 1.4;
  white-space: nowrap;
}

.header-meta__label {
  color: var(--color-cyan);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.18em;
}

.header-meta__value {
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-meta__link {
  padding-bottom: 0.15rem;
  color: var(--color-moon);
  border-bottom: 1px solid var(--color-line-strong);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.4;
  white-space: nowrap;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.header-meta__link:hover {
  color: var(--color-cyan);
  border-color: var(--color-cyan);
}

.site-header__lower {
  position: relative;
  background: rgba(6, 9, 20, 0.84);
  transition: background 220ms var(--ease);
}

.site-header__lower-inner {
  display: flex;
  align-items: stretch;
  gap: clamp(0.75rem, 2vw, 1.75rem);
  min-height: var(--header-lower-min);
  transition: min-height 220ms var(--ease);
}

.primary-nav {
  display: flex;
  align-items: stretch;
  gap: 0;
  min-width: 0;
}

.primary-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0 0.72rem;
  color: var(--color-mist);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.11em;
  line-height: 1.2;
  white-space: nowrap;
  transition: color 180ms var(--ease);
}

.primary-nav__link::before {
  content: "";
  width: 0;
  height: 4px;
  margin-right: 0;
  border-radius: 50%;
  background: var(--color-cyan);
  opacity: 0;
  box-shadow: 0 0 10px rgba(55, 240, 192, 0.72);
  transition: width 180ms var(--ease), margin 180ms var(--ease), opacity 180ms var(--ease);
}

.primary-nav__link::after {
  content: "";
  position: absolute;
  right: 0.72rem;
  bottom: 0;
  left: 0.72rem;
  height: 2px;
  background: var(--color-cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 200ms var(--ease);
}

.primary-nav__link:hover {
  color: var(--color-moon);
}

.primary-nav__link:hover::after {
  transform: scaleX(0.55);
}

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

.primary-nav__link[aria-current="page"]::before {
  width: 4px;
  margin-right: 0.42rem;
  opacity: 1;
}

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

.site-header__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1.15rem;
  margin-left: auto;
  padding-block: 0.55rem;
}

.header-coordinate {
  color: var(--color-mist);
  font-family: var(--font-data);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  line-height: 1.4;
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.55rem;
  min-height: 36px;
  padding: 0.5rem 0.7rem;
  color: var(--color-moon);
  background: transparent;
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius);
  font-family: var(--font-data);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  line-height: 1;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background 180ms var(--ease);
}

.nav-toggle:hover,
.nav-toggle[aria-expanded="true"] {
  color: var(--color-cyan);
  border-color: rgba(55, 240, 192, 0.55);
  background: rgba(55, 240, 192, 0.06);
}

.nav-toggle__glyph {
  position: relative;
  display: block;
  width: 15px;
  height: 11px;
}

.nav-toggle__glyph::before,
.nav-toggle__glyph::after {
  content: "";
  position: absolute;
  left: 0;
  width: 15px;
  height: 1px;
  background: currentColor;
  transition: top 180ms var(--ease), bottom 180ms var(--ease), transform 180ms var(--ease);
}

.nav-toggle__glyph::before {
  top: 1px;
}

.nav-toggle__glyph::after {
  bottom: 1px;
}

.site-header[data-open] .nav-toggle__glyph::before {
  top: 5px;
  transform: rotate(45deg);
}

.site-header[data-open] .nav-toggle__glyph::after {
  bottom: 5px;
  transform: rotate(-45deg);
}

.nav-toggle__label {
  display: block;
}

.site-header[data-scrolled] .site-header__upper-inner {
  min-height: 58px;
  padding-block: 0.32rem;
}

.site-header[data-scrolled] .brand__mark {
  width: 32px;
  height: 32px;
}

.site-header[data-scrolled] .brand__descriptor {
  color: rgba(169, 180, 204, 0.78);
}

.site-header[data-scrolled] .site-header__lower-inner {
  min-height: 52px;
}

.site-header[data-open] .site-header__lower {
  background: rgba(12, 23, 48, 0.98);
  box-shadow: 0 22px 44px rgba(0, 0, 0, 0.34);
}

.scroll-progress {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  z-index: 5;
  height: 2px;
  background: linear-gradient(90deg, var(--color-cyan), var(--color-violet) 62%, var(--color-orange));
  transform: scaleX(0);
  transform-origin: left center;
  pointer-events: none;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0.78rem 1.05rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-data);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1;
  text-align: center;
  transition: color 180ms var(--ease), background 180ms var(--ease), border-color 180ms var(--ease), transform 180ms var(--ease);
}

.button:hover {
  transform: translateY(-1px);
}

.button--primary {
  color: var(--color-ink);
  background: var(--color-cyan);
  border-color: var(--color-cyan);
}

.button--primary:hover {
  color: var(--color-cyan);
  background: transparent;
}

.button--ghost {
  color: var(--color-moon);
  background: transparent;
  border-color: var(--color-line-strong);
}

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

.button--compact {
  min-height: 36px;
  padding: 0.55rem 0.82rem;
  font-size: 0.68rem;
}

.site-footer {
  position: relative;
  overflow: hidden;
  margin-top: clamp(3rem, 8vw, 8rem);
  color: var(--color-moon);
  background:
    linear-gradient(180deg, rgba(12, 23, 48, 0.72), rgba(6, 9, 20, 0.98) 46%),
    var(--color-ink);
  border-top: 1px solid var(--color-line);
  isolation: isolate;
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.42;
  background-image:
    linear-gradient(rgba(245, 247, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 247, 255, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 82% 18%, rgba(108, 90, 168, 0.24), transparent 22rem),
    radial-gradient(circle at 10% 72%, rgba(55, 240, 192, 0.06), transparent 20rem);
  background-size: 72px 72px, 72px 72px, auto, auto;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 82%);
}

.site-footer__top {
  display: grid;
  grid-template-columns: minmax(15rem, 0.85fr) minmax(22rem, 1.15fr) minmax(17rem, 0.9fr);
  gap: clamp(2rem, 4vw, 5rem);
  padding-block: clamp(3rem, 6vw, 6rem) clamp(2rem, 4vw, 4rem);
}

.footer-brand {
  min-width: 0;
}

.footer-brand__link {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--color-moon);
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  font-weight: 900;
  letter-spacing: 0.06em;
  line-height: 1;
}

.footer-brand__mark {
  position: relative;
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  border: 1px solid rgba(55, 240, 192, 0.62);
  border-radius: 50%;
  box-shadow: inset 0 0 0 7px rgba(55, 240, 192, 0.055);
}

.footer-brand__mark::before {
  content: "";
  position: absolute;
  inset: 4px;
  border: 1px solid rgba(245, 247, 255, 0.2);
  border-radius: 50%;
}

.footer-brand__mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-orange);
  box-shadow: 0 0 12px rgba(255, 157, 77, 0.8);
  transform: translate(-50%, -50%);
}

.footer-brand__name {
  display: block;
}

.footer-brand__descriptor {
  margin-top: 1rem;
  color: var(--color-mist);
  font-size: 0.88rem;
  line-height: 1.7;
}

.footer-brand__edition {
  margin-top: 0.35rem;
  color: var(--color-moon-soft);
  font-family: var(--font-data);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  line-height: 1.6;
}

.footer-brand__coordinate {
  margin-top: 1.25rem;
  color: var(--color-cyan);
  font-family: var(--font-data);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  line-height: 1.6;
}

.footer-nav-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 3vw, 3rem);
  min-width: 0;
}

.footer-column {
  min-width: 0;
}

.footer-column__title {
  margin: 0 0 1.05rem;
  color: var(--color-cyan);
  font-family: var(--font-data);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  line-height: 1.5;
  text-transform: uppercase;
}

.footer-list {
  display: grid;
  gap: 0.7rem;
}

.footer-list__link {
  display: inline-block;
  color: var(--color-mist);
  font-size: 0.88rem;
  line-height: 1.6;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), transform 180ms var(--ease);
}

.footer-list__link:hover {
  color: var(--color-moon);
  border-color: rgba(55, 240, 192, 0.5);
  transform: translateX(3px);
}

.footer-contact {
  min-width: 0;
  padding-left: clamp(1rem, 2.3vw, 2.2rem);
  border-left: 1px solid var(--color-line);
}

.footer-contact__line {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 0.6rem;
  margin-bottom: 0.85rem;
  font-size: 0.82rem;
  line-height: 1.65;
}

.footer-contact__label {
  padding-top: 0.1rem;
  color: var(--color-mist);
  font-family: var(--font-data);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  line-height: 1.5;
}

.footer-contact__value {
  color: var(--color-moon);
  overflow-wrap: anywhere;
}

.footer-contact__note {
  margin-top: 1rem;
  color: var(--color-mist);
  font-size: 0.76rem;
  line-height: 1.7;
}

.footer-contact__link {
  display: inline-flex;
  margin-top: 1rem;
  color: var(--color-cyan);
  border-bottom: 1px solid rgba(55, 240, 192, 0.42);
  font-family: var(--font-data);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  line-height: 1.6;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.footer-contact__link:hover {
  color: var(--color-moon);
  border-color: var(--color-moon);
}

.site-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding-block: 1.25rem;
  border-top: 1px solid var(--color-line);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-legal__link {
  color: var(--color-mist);
  font-size: 0.78rem;
  line-height: 1.6;
  transition: color 180ms var(--ease);
}

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

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  color: var(--color-mist);
  font-family: var(--font-data);
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  line-height: 1.6;
}

.footer-meta__icp {
  color: var(--color-moon-soft);
}

.breadcrumbs {
  color: var(--color-mist);
  font-family: var(--font-data);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  line-height: 1.6;
}

.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.breadcrumbs__list > li:not(:last-child)::after {
  content: "/";
  margin-left: 0.5rem;
  color: rgba(169, 180, 204, 0.5);
}

.breadcrumbs__link {
  color: var(--color-mist);
  transition: color 180ms var(--ease);
}

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

.breadcrumbs__current {
  color: var(--color-moon);
}

.content-narrow {
  width: min(100%, 42rem);
  margin-inline: auto;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gap);
  align-items: start;
}

.content-grid__aside {
  position: sticky;
  top: 9rem;
  grid-column: 1 / span 3;
  min-width: 0;
  align-self: start;
}

.content-grid__main {
  grid-column: 4 / span 8;
  min-width: 0;
}

.surface {
  padding: clamp(1.1rem, 2.2vw, 2rem);
  background:
    linear-gradient(135deg, rgba(245, 247, 255, 0.085), rgba(245, 247, 255, 0.025)),
    rgba(20, 41, 77, 0.32);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
}

.surface--solid {
  background: var(--color-navy);
  backdrop-filter: none;
}

.section-band {
  padding-block: clamp(2.5rem, 5vw, 5rem);
  background: var(--color-navy);
  border-block: 1px solid var(--color-line);
}

.section-band--light {
  color: var(--color-ink);
  background: var(--color-moon);
  border-color: rgba(6, 9, 20, 0.15);
}

.section-band--light .eyebrow {
  color: var(--color-teal);
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0.22rem 0.55rem;
  color: var(--color-mist);
  background: rgba(245, 247, 255, 0.06);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  font-family: var(--font-data);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  line-height: 1.2;
}

.media-frame {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 16 / 9;
  background:
    linear-gradient(135deg, var(--color-orbit), var(--color-navy) 54%, var(--color-ink));
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  isolation: isolate;
}

.media-frame__media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.86) contrast(1.08);
}

.media-frame__caption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 2;
  padding: 2rem 0.9rem 0.8rem;
  color: var(--color-moon);
  background: linear-gradient(transparent, rgba(6, 9, 20, 0.86));
  font-family: var(--font-data);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  line-height: 1.55;
}

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

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

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

@media (max-width: 1080px) {
  .header-coordinate {
    display: none;
  }

  .primary-nav__link {
    padding-inline: 0.55rem;
    letter-spacing: 0.08em;
  }

  .primary-nav__link::after {
    right: 0.55rem;
    left: 0.55rem;
  }
}

@media (max-width: 900px) {
  html {
    scroll-padding-top: 118px;
  }

  .site-header__upper-inner {
    align-items: flex-start;
    gap: 1rem;
    padding-block: 0.62rem;
  }

  .brand__descriptor {
    display: none;
  }

  .header-meta {
    flex-direction: column;
    align-items: flex-end;
    gap: 0.32rem;
  }

  .header-meta__edition {
    font-size: 0.62rem;
  }

  .header-meta__value {
    max-width: 13rem;
  }

  .header-meta__link {
    font-size: 0.72rem;
  }

  .site-header__lower-inner {
    flex-wrap: wrap;
    gap: 0.62rem;
    min-height: 0;
    padding-block: 0.52rem;
  }

  .nav-toggle {
    display: inline-flex;
    order: 1;
  }

  .site-header__actions {
    order: 2;
    gap: 0.65rem;
    margin-left: auto;
    padding-block: 0;
  }

  .primary-nav {
    display: none;
    flex: 1 0 100%;
    flex-direction: column;
    align-items: stretch;
    order: 3;
    padding: 0.32rem 0 0.28rem;
    border-top: 1px solid var(--color-line);
  }

  .site-header[data-open] .primary-nav {
    display: flex;
  }

  .primary-nav__link {
    justify-content: flex-start;
    padding: 0.82rem 0.35rem;
    border-bottom: 1px solid rgba(245, 247, 255, 0.08);
    font-size: 0.84rem;
  }

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

  .primary-nav__link[aria-current="page"] {
    padding-left: 0.85rem;
    border-left: 2px solid var(--color-cyan);
  }

  .primary-nav__link[aria-current="page"]::before {
    width: 4px;
    margin-right: 0.45rem;
    opacity: 1;
  }

  .site-header[data-scrolled] .site-header__upper-inner {
    min-height: 54px;
  }

  .site-header[data-scrolled] .site-header__lower-inner {
    min-height: 0;
  }

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

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

  .footer-contact {
    padding-left: 0;
    border-left: 0;
  }

  .content-grid__aside,
  .content-grid__main {
    grid-column: 1 / -1;
    position: static;
  }
}

@media (max-width: 640px) {
  .header-meta__edition {
    display: none;
  }

  .site-header__actions .button {
    padding-inline: 0.68rem;
    font-size: 0.64rem;
  }

  .site-footer {
    margin-top: clamp(2.5rem, 8vw, 5rem);
  }

  .site-footer__top {
    grid-template-columns: minmax(0, 1fr);
    gap: 2.2rem;
  }

  .footer-brand,
  .footer-nav-grid,
  .footer-contact {
    grid-column: auto;
  }

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

  .site-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    padding-block: 1.1rem;
  }

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

@media (max-width: 420px) {
  .brand__mark {
    width: 32px;
    height: 32px;
  }

  .brand__name {
    font-size: 1.16rem;
  }

  .nav-toggle__label {
    display: none;
  }

  .site-header__actions .button {
    padding-inline: 0.55rem;
  }

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

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}