:root {
  --bg-0: #05070d;
  --bg-1: #0b1026;
  --lake: #1b7fa8;
  --lake-deep: #0e5a78;
  --sunset: #f26a2e;
  --sunset-deep: #d94f16;
  --gold: #c9974a;
  --cyan: #5fd3e8;
  --mist: #8fa3b8;
  --paper: #f5f0e6;
  --paper-dim: rgba(245, 240, 230, 0.72);
  --line: rgba(143, 163, 184, 0.23);
  --line-strong: rgba(201, 151, 74, 0.45);
  --glass: rgba(11, 16, 38, 0.76);
  --max: 1240px;
  --gutter: clamp(18px, 4vw, 48px);
  --header-h: 78px;
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", Georgia, serif;
  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", "Cascadia Mono", Consolas, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
}

body {
  margin: 0;
  min-width: 320px;
  background-color: var(--bg-0);
  background-image:
    radial-gradient(circle at 12% 6%, rgba(27, 127, 168, 0.2), transparent 32rem),
    radial-gradient(circle at 88% 12%, rgba(242, 106, 46, 0.11), transparent 28rem),
    linear-gradient(145deg, #05070d 0%, #0b1026 46%, #05070d 100%);
  background-attachment: fixed;
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body,
button,
input,
textarea,
select {
  font-family: var(--font-sans);
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
blockquote,
dl,
dd {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  margin-bottom: 0.56em;
  color: var(--paper);
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 0.025em;
}

p {
  margin-bottom: 1em;
}

a {
  color: var(--cyan);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--sunset);
}

ul,
ol {
  margin-top: 0;
  padding-left: 1.4em;
}

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

button {
  cursor: pointer;
}

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

::selection {
  background: rgba(242, 106, 46, 0.7);
  color: var(--bg-0);
}

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

#main-content {
  min-height: 60vh;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 12px;
  z-index: 200;
  padding: 10px 16px;
  border: 1px solid var(--gold);
  border-radius: 999px;
  background: var(--paper);
  color: var(--bg-0);
  font-weight: 800;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 180ms var(--ease);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  border-bottom: 1px solid rgba(143, 163, 184, 0.18);
  background: linear-gradient(180deg, rgba(5, 7, 13, 0.96), rgba(11, 16, 38, 0.82));
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.16);
}

.site-header::before {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(90deg, rgba(27, 127, 168, 0.17), transparent 38%, rgba(242, 106, 46, 0.12)),
    repeating-linear-gradient(90deg, transparent 0 39px, rgba(245, 240, 230, 0.018) 39px 40px);
}

.site-header.is-scrolled {
  background: linear-gradient(180deg, rgba(3, 5, 10, 0.98), rgba(11, 16, 38, 0.92));
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.32);
}

.scroll-progress {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  z-index: 3;
  height: 2px;
  background: linear-gradient(90deg, var(--lake), var(--cyan) 32%, var(--gold) 66%, var(--sunset));
  transform: scaleX(0);
  transform-origin: left center;
  will-change: transform;
}

.header-rail {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 20px;
  width: min(var(--max), 100%);
  min-height: var(--header-h);
  margin: 0 auto;
  padding: 10px var(--gutter);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
  color: var(--paper);
  text-decoration: none;
}

.brand:hover {
  color: var(--paper);
}

.brand-mark {
  position: relative;
  display: inline-block;
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(201, 151, 74, 0.65);
  border-radius: 48% 52% 44% 56% / 54% 46% 54% 46%;
  background:
    linear-gradient(135deg, rgba(27, 127, 168, 0.95), rgba(14, 90, 120, 0.55) 48%, rgba(242, 106, 46, 0.75)),
    var(--bg-1);
  box-shadow: inset 0 0 0 5px rgba(5, 7, 13, 0.42), 0 0 0 3px rgba(95, 211, 232, 0.06);
}

.brand-mark::before {
  position: absolute;
  top: 9px;
  right: 9px;
  bottom: 8px;
  left: 8px;
  content: "";
  border-bottom: 2px solid var(--paper);
  border-left: 2px solid var(--paper);
  transform: skewX(-10deg);
}

.brand-mark::after {
  position: absolute;
  top: 6px;
  right: -3px;
  width: 7px;
  height: 7px;
  content: "";
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(95, 211, 232, 0.95);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.1;
}

.brand-name {
  overflow: hidden;
  color: var(--paper);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand-tag {
  margin-top: 5px;
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.record-shortcut {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  flex: 0 0 auto;
  padding: 7px 11px;
  border: 1px solid rgba(201, 151, 74, 0.32);
  border-radius: 999px;
  background: rgba(27, 127, 168, 0.1);
  color: var(--paper-dim);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.record-shortcut:hover {
  border-color: var(--gold);
  background: rgba(242, 106, 46, 0.12);
  color: var(--paper);
}

.record-shortcut__icon {
  position: relative;
  display: inline-block;
  width: 15px;
  height: 15px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
}

.record-shortcut__icon::after {
  position: absolute;
  right: -5px;
  bottom: -3px;
  width: 7px;
  height: 1.5px;
  content: "";
  border-radius: 2px;
  background: currentColor;
  transform: rotate(45deg);
  transform-origin: left center;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  min-height: 40px;
  margin-left: auto;
  padding: 8px 13px;
  border: 1px solid rgba(201, 151, 74, 0.38);
  border-radius: 999px;
  background: rgba(11, 16, 38, 0.72);
  color: var(--paper);
  font-weight: 800;
  letter-spacing: 0.08em;
}

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

.nav-toggle__lines {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 17px;
}

.nav-toggle__lines span {
  display: block;
  width: 100%;
  height: 1.5px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 200ms var(--ease), opacity 200ms var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__lines span:first-child {
  transform: translateY(2.75px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__lines span:last-child {
  transform: translateY(-2.75px) rotate(-45deg);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
  margin-left: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(13px, 1.7vw, 25px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: 9px 2px;
  color: rgba(245, 240, 230, 0.72);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: color 180ms ease;
}

.nav-link::after {
  position: absolute;
  right: 2px;
  bottom: 2px;
  left: 2px;
  height: 2px;
  content: "";
  border-radius: 2px;
  background: linear-gradient(90deg, var(--sunset), var(--gold));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 220ms var(--ease);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--paper);
}

.nav-link:hover::after,
.nav-link:focus-visible::after,
.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-link[aria-current="page"] {
  color: var(--paper);
}

.nav-aside {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-left: 18px;
  border-left: 1px solid var(--line);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav-aside__mono {
  color: var(--gold);
}

.nav-aside__dot {
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--sunset);
  box-shadow: 0 0 10px rgba(242, 106, 46, 0.85);
}

.nav-aside__text {
  white-space: nowrap;
}

.query-dock {
  position: fixed;
  top: 50%;
  right: 12px;
  z-index: 85;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 13px 9px;
  border: 1px solid rgba(245, 240, 230, 0.2);
  border-radius: 999px 5px 5px 999px;
  background: linear-gradient(180deg, var(--sunset), var(--gold));
  color: #180b05;
  box-shadow: 0 12px 32px rgba(242, 106, 46, 0.25);
  text-decoration: none;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
}

.query-dock:hover {
  color: #180b05;
  background: linear-gradient(180deg, var(--sunset-deep), var(--sunset));
}

.query-dock__icon {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
}

.query-dock__icon::after {
  display: block;
  width: 6px;
  height: 1.5px;
  margin: 8px 0 0 7px;
  content: "";
  background: currentColor;
  transform: rotate(45deg);
}

.query-dock__label {
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.18em;
}

.site-footer {
  position: relative;
  overflow: hidden;
  padding: clamp(46px, 7vw, 86px) var(--gutter) 24px;
  border-top: 1px solid rgba(201, 151, 74, 0.34);
  background: #03050a;
  color: var(--mist);
}

.site-footer::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 240px;
  pointer-events: none;
  content: "";
  background:
    radial-gradient(ellipse at 18% 0%, rgba(27, 127, 168, 0.22), transparent 56%),
    radial-gradient(ellipse at 88% 0%, rgba(242, 106, 46, 0.12), transparent 42%),
    repeating-linear-gradient(90deg, transparent 0 47px, rgba(245, 240, 230, 0.018) 47px 48px);
}

.footer-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.8fr) minmax(0, 1.1fr);
  gap: clamp(30px, 5vw, 72px);
  width: min(var(--max), 100%);
  margin: 0 auto;
  padding-bottom: clamp(34px, 5vw, 58px);
}

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

.footer-logo {
  display: inline-block;
  color: var(--paper);
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 900;
  letter-spacing: 0.04em;
  line-height: 1.1;
  text-decoration: none;
}

.footer-logo:hover {
  color: var(--gold);
}

.footer-identity__sub {
  margin-top: 12px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.footer-identity__desc {
  max-width: 30ch;
  margin-top: 18px;
  margin-bottom: 0;
  color: rgba(143, 163, 184, 0.88);
  font-size: 14px;
  line-height: 1.8;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.footer-heading {
  margin: 0 0 15px;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.footer-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-list li + li {
  margin-top: 9px;
}

.footer-link {
  color: var(--mist);
  font-size: 14px;
  text-decoration: none;
  transition: color 160ms ease, padding-left 160ms ease;
}

.footer-link:hover {
  padding-left: 4px;
  color: var(--paper);
}

.footer-contact {
  min-width: 0;
  padding: 18px;
  border: 1px solid rgba(201, 151, 74, 0.2);
  border-radius: var(--radius-md);
  background: linear-gradient(155deg, rgba(11, 16, 38, 0.82), rgba(5, 7, 13, 0.5));
}

.footer-contact__row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 10px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(143, 163, 184, 0.14);
}

.footer-contact__label {
  flex: 0 0 38px;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.footer-contact__value {
  overflow-wrap: anywhere;
  color: var(--paper);
  font-size: 13px;
  font-weight: 600;
}

.footer-copy {
  margin-left: auto;
  padding: 4px 9px;
  border: 1px solid rgba(95, 211, 232, 0.25);
  border-radius: 999px;
  background: rgba(27, 127, 168, 0.12);
  color: var(--cyan);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.footer-copy:hover {
  border-color: var(--cyan);
  color: var(--paper);
}

.footer-contact__note {
  margin: 16px 0 10px;
  color: rgba(143, 163, 184, 0.82);
  font-size: 12px;
  line-height: 1.7;
}

.footer-address {
  margin: 0;
  color: var(--mist);
  font-size: 12px;
}

.copy-status {
  display: block;
  min-height: 1.5em;
  margin-top: 8px;
  color: var(--cyan);
  font-size: 12px;
}

.footer-base {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: min(var(--max), 100%);
  margin: 0 auto;
  padding-top: 20px;
  border-top: 1px solid rgba(143, 163, 184, 0.16);
}

.footer-legal,
.footer-icp,
.footer-mono {
  margin: 0;
  color: rgba(143, 163, 184, 0.72);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-icp {
  color: var(--gold);
}

.content-shell {
  width: min(var(--max), 100%);
  margin-right: auto;
  margin-left: auto;
  padding-right: var(--gutter);
  padding-left: var(--gutter);
}

.section {
  padding-top: clamp(56px, 8vw, 112px);
  padding-bottom: clamp(56px, 8vw, 112px);
}

.section--tight {
  padding-top: clamp(34px, 5vw, 66px);
  padding-bottom: clamp(34px, 5vw, 66px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before {
  display: inline-block;
  width: 26px;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, var(--sunset), var(--gold));
}

.display-title {
  max-width: 14ch;
  margin-bottom: 20px;
  font-family: var(--font-display);
  font-size: clamp(42px, 7vw, 72px);
  font-weight: 900;
  letter-spacing: 0.025em;
  line-height: 1.08;
  text-wrap: balance;
}

.section-title {
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 900;
  letter-spacing: 0.025em;
  text-wrap: balance;
}

.lede {
  max-width: 42ch;
  color: rgba(245, 240, 230, 0.74);
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.8;
}

.editorial-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 42px);
}

.note-column {
  grid-column: 1 / span 3;
}

.main-column {
  grid-column: 4 / span 9;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition: transform 180ms var(--ease), background 180ms ease, border-color 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button--primary {
  background: linear-gradient(135deg, var(--sunset), var(--gold));
  color: #160b05;
  box-shadow: 0 10px 26px rgba(242, 106, 46, 0.22);
}

.button--primary:hover {
  background: linear-gradient(135deg, var(--sunset-deep), var(--sunset));
  color: #120805;
  box-shadow: 0 14px 30px rgba(242, 106, 46, 0.32);
}

.button--ghost {
  border-color: rgba(201, 151, 74, 0.42);
  background: rgba(27, 127, 168, 0.09);
  color: var(--paper);
}

.button--ghost:hover {
  border-color: var(--cyan);
  background: rgba(27, 127, 168, 0.16);
  color: var(--paper);
}

.button--small {
  min-height: 38px;
  padding: 8px 15px;
  font-size: 12px;
}

.breadcrumb {
  padding: 16px 0;
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.breadcrumb__item + .breadcrumb__item::before {
  color: rgba(143, 163, 184, 0.55);
  content: "/";
}

.breadcrumb__link {
  color: var(--mist);
  text-decoration: none;
}

.breadcrumb__link:hover {
  color: var(--gold);
}

.archive-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 22px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(155deg, rgba(11, 16, 38, 0.92), rgba(5, 7, 13, 0.62)),
    radial-gradient(circle at 100% 0%, rgba(27, 127, 168, 0.2), transparent 50%);
  box-shadow: inset 0 1px 0 rgba(245, 240, 230, 0.04);
  transition: transform 200ms var(--ease), border-color 200ms ease, box-shadow 200ms ease;
}

.archive-card::after {
  position: absolute;
  top: 0;
  right: 0;
  width: 54px;
  height: 54px;
  pointer-events: none;
  content: "";
  background: linear-gradient(225deg, rgba(201, 151, 74, 0.3), transparent 66%);
}

.archive-card:hover {
  border-color: var(--line-strong);
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.24), 0 0 0 1px rgba(201, 151, 74, 0.12);
  transform: translateY(-2px);
}

.archive-card__index {
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.archive-card__tag {
  align-self: flex-start;
  margin-top: 16px;
  padding: 4px 9px;
  border: 1px solid rgba(95, 211, 232, 0.26);
  border-radius: 999px;
  background: rgba(27, 127, 168, 0.1);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.archive-card__title {
  margin-top: 14px;
  margin-bottom: 8px;
  font-family: var(--font-sans);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.archive-card__text {
  margin-bottom: 18px;
  color: rgba(245, 240, 230, 0.7);
  font-size: 14px;
}

.archive-card__meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid rgba(143, 163, 184, 0.16);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.media-frame {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, rgba(27, 127, 168, 0.22), rgba(5, 7, 13, 0.9) 48%, rgba(242, 106, 46, 0.14)),
    repeating-linear-gradient(90deg, transparent 0 35px, rgba(245, 240, 230, 0.035) 35px 36px);
}

.media-frame__img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background:
    radial-gradient(circle at 68% 22%, rgba(95, 211, 232, 0.25), transparent 28%),
    linear-gradient(135deg, rgba(27, 127, 168, 0.32), rgba(5, 7, 13, 0.5) 55%, rgba(242, 106, 46, 0.2));
}

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

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

.media-frame__caption {
  margin: 0;
  padding: 12px 16px;
  border-top: 1px solid rgba(143, 163, 184, 0.18);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.category-track {
  display: flex;
  gap: 12px;
  padding: 6px 2px 18px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-color: var(--lake) rgba(245, 240, 230, 0.08);
  scrollbar-width: thin;
}

.track-item {
  position: relative;
  display: inline-grid;
  flex: 0 0 auto;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 11px;
  min-width: 148px;
  padding: 13px 15px;
  border: 1px solid rgba(143, 163, 184, 0.22);
  border-radius: var(--radius-md);
  background: rgba(11, 16, 38, 0.74);
  color: rgba(245, 240, 230, 0.64);
  text-decoration: none;
  transition: border-color 260ms ease, color 260ms ease, background 260ms ease, box-shadow 260ms ease;
}

.track-item::after {
  position: absolute;
  right: 12px;
  bottom: -1px;
  left: 12px;
  height: 2px;
  content: "";
  background: linear-gradient(90deg, var(--lake), var(--cyan));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 320ms var(--ease);
}

.track-item:hover,
.track-item.is-lit {
  border-color: rgba(95, 211, 232, 0.52);
  background: rgba(14, 90, 120, 0.25);
  color: var(--paper);
  box-shadow: 0 0 22px rgba(27, 127, 168, 0.16);
}

.track-item:hover::after,
.track-item.is-lit::after {
  transform: scaleX(1);
}

.track-item__index {
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.track-item__label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.step-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.step-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(11, 16, 38, 0.58);
  transition: border-color 180ms ease, background 180ms ease;
}

.step-item__check {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: 1px solid rgba(201, 151, 74, 0.55);
  border-radius: 50%;
  background: rgba(5, 7, 13, 0.7);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
}

.step-item.is-done {
  border-color: rgba(242, 106, 46, 0.46);
  background: rgba(242, 106, 46, 0.08);
}

.step-item.is-done .step-item__check {
  border-color: var(--sunset);
  background: linear-gradient(135deg, var(--sunset), var(--gold));
  color: #170a05;
}

.step-item.is-done .step-item__check::before {
  width: 8px;
  height: 4px;
  content: "";
  border-bottom: 2px solid currentColor;
  border-left: 2px solid currentColor;
  transform: translateY(-1px) rotate(-45deg);
}

.step-item__body {
  min-width: 0;
}

.step-item__title {
  margin: 0 0 4px;
  color: var(--paper);
  font-size: 15px;
  font-weight: 800;
}

.step-item__text {
  margin: 0;
  color: var(--mist);
  font-size: 13px;
  line-height: 1.7;
}

.accordion {
  border-top: 1px solid var(--line);
}

.accordion__item {
  border-bottom: 1px solid var(--line);
}

.accordion__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  padding: 18px 0;
  border: 0;
  background: transparent;
  color: var(--paper);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.03em;
  text-align: left;
}

.accordion__trigger::after {
  flex: 0 0 auto;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 18px;
  content: "+";
}

.accordion__trigger[aria-expanded="true"] {
  color: var(--gold);
}

.accordion__trigger[aria-expanded="true"]::after {
  color: var(--sunset);
  content: "−";
}

.accordion__panel {
  padding: 0 0 18px;
  color: rgba(245, 240, 230, 0.72);
  font-size: 14px;
  line-height: 1.8;
}

.accordion__panel[hidden] {
  display: none;
}

.accordion__item.is-open {
  background: linear-gradient(90deg, rgba(27, 127, 168, 0.08), transparent);
}

.prose {
  max-width: 68ch;
  color: rgba(245, 240, 230, 0.84);
  font-size: 16px;
  line-height: 1.85;
}

.prose h2,
.prose h3 {
  margin-top: 1.5em;
  color: var(--paper);
}

.prose h2 {
  font-size: clamp(26px, 3vw, 34px);
}

.prose h3 {
  font-size: 22px;
}

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

.prose blockquote {
  margin: 1.8em 0;
  padding: 18px 22px;
  border-left: 3px solid var(--sunset);
  background: linear-gradient(90deg, rgba(242, 106, 46, 0.1), transparent);
  color: var(--paper);
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.5;
}

.prose code {
  padding: 2px 6px;
  border: 1px solid rgba(95, 211, 232, 0.2);
  border-radius: 5px;
  background: rgba(27, 127, 168, 0.12);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.88em;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border: 1px solid rgba(201, 151, 74, 0.3);
  border-radius: 999px;
  background: rgba(201, 151, 74, 0.08);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
}

@media (prefers-reduced-motion: no-preference) {
  .has-js [data-reveal] {
    opacity: 0;
    transform: translateY(18px);
    transition:
      opacity 640ms var(--ease),
      transform 640ms var(--ease);
    transition-delay: var(--reveal-delay, 0ms);
    will-change: opacity, transform;
  }

  .has-js [data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
  }
}

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

  .site-nav {
    gap: 16px;
  }

  .nav-list {
    gap: 14px;
  }
}

@media (max-width: 860px) {
  :root {
    --header-h: 68px;
  }

  body {
    padding-bottom: 72px;
  }

  .header-rail {
    gap: 12px;
    min-height: var(--header-h);
    padding: 9px var(--gutter);
  }

  .brand-mark {
    width: 32px;
    height: 32px;
  }

  .brand-name {
    font-size: 15px;
  }

  .brand-tag {
    font-size: 9px;
  }

  .record-shortcut {
    padding: 6px 9px;
  }

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

  .site-nav {
    position: fixed;
    top: calc(var(--header-h) + 8px);
    right: var(--gutter);
    left: var(--gutter);
    z-index: 95;
    display: block;
    margin: 0;
    padding: 16px;
    visibility: hidden;
    border: 1px solid rgba(201, 151, 74, 0.34);
    border-radius: 18px;
    background:
      linear-gradient(160deg, rgba(11, 16, 38, 0.99), rgba(5, 7, 13, 0.99)),
      radial-gradient(circle at 90% 0%, rgba(242, 106, 46, 0.16), transparent 30%);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px) scale(0.985);
    transition: opacity 220ms var(--ease), transform 220ms var(--ease), visibility 220ms ease;
  }

  .site-nav[data-open="true"] {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
  }

  .nav-list {
    flex-direction: column;
    gap: 2px;
  }

  .nav-list li {
    width: 100%;
  }

  .nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 12px 10px;
    border-bottom: 1px solid rgba(143, 163, 184, 0.14);
    color: rgba(245, 240, 230, 0.82);
    font-size: 15px;
  }

  .nav-link::after {
    right: auto;
    bottom: 8px;
    left: 10px;
    width: 3px;
    height: calc(100% - 16px);
    transform: scaleY(0);
    transform-origin: top center;
  }

  .nav-link:hover::after,
  .nav-link:focus-visible::after,
  .nav-link[aria-current="page"]::after {
    transform: scaleY(1);
  }

  .nav-link[aria-current="page"] {
    padding-left: 18px;
    background: linear-gradient(90deg, rgba(242, 106, 46, 0.12), transparent);
    color: var(--paper);
  }

  .nav-aside {
    display: flex;
    justify-content: space-between;
    margin-top: 14px;
    padding-top: 13px;
    padding-left: 0;
    border-top: 1px solid rgba(143, 163, 184, 0.16);
    border-left: 0;
  }

  .query-dock {
    top: auto;
    right: 12px;
    bottom: 12px;
    left: 12px;
    flex-direction: row;
    justify-content: center;
    gap: 9px;
    padding: 10px 14px;
    border-radius: 12px;
    transform: none;
    writing-mode: horizontal-tb;
  }

  .query-dock__icon::after {
    margin-top: 7px;
    margin-left: 6px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .note-column,
  .main-column {
    grid-column: 1 / -1;
  }
}

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

  .header-left {
    gap: 9px;
  }

  .record-shortcut__text {
    display: none;
  }

  .record-shortcut {
    padding: 8px;
    border-radius: 50%;
  }

  .nav-toggle__text {
    display: none;
  }

  .nav-toggle {
    padding: 9px 11px;
  }

  .display-title {
    font-size: clamp(34px, 10vw, 52px);
  }

  .section-title {
    font-size: clamp(27px, 8vw, 38px);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .footer-contact {
    grid-column: auto;
    padding: 16px;
  }

  .footer-base {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .footer-nav {
    grid-template-columns: 1fr 1fr;
  }

  .breadcrumb__list {
    font-size: 10px;
  }

  .button {
    width: 100%;
  }
}

@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;
    scroll-behavior: auto !important;
  }

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

  .button:hover,
  .archive-card:hover {
    transform: none;
  }
}