:root {
  --pitch: #0A2F24;
  --screen: #00D69A;
  --signal: #FF6B1A;
  --plateau: #1E6FA8;
  --snow: #F4FBF8;
  --night: #06120E;
  --mist: #9BB8AD;
  --amber: #FFB020;
  --line: #D9E6E1;
  --violet: #7C4DFF;
  --panel: #0D3A2D;
  --panel-deep: #08261D;
  --header-height: 78px;
  --content-max: 1240px;
  --gutter: clamp(18px, 4vw, 56px);
  --font-display: "Arial Narrow", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-heading: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
  --font-data: "SFMono-Regular", "Cascadia Code", "Roboto Mono", "Courier New", monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

* {
  margin: 0;
}

html {
  min-height: 100%;
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
  background: var(--night);
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  background: var(--pitch);
  color: var(--snow);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

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

button {
  border: 0;
  background: none;
  color: inherit;
  cursor: pointer;
}

a {
  color: var(--screen);
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

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

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

table {
  width: 100%;
  border-collapse: collapse;
}

h1,
h2,
h3,
h4 {
  color: var(--snow);
  font-family: var(--font-heading);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

h1 {
  font-size: clamp(3rem, 9vw, 7.5rem);
}

h2 {
  font-size: clamp(2rem, 5vw, 4rem);
}

h3 {
  font-size: clamp(1.35rem, 2.6vw, 2rem);
}

p {
  text-wrap: pretty;
}

::selection {
  background: var(--signal);
  color: var(--night);
}

:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 4px;
}

#main-content {
  padding-block-start: var(--header-height);
  scroll-margin-top: calc(var(--header-height) + 24px);
}

.page-shell {
  width: min(calc(100% - var(--gutter) - var(--gutter)), var(--content-max));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  inset-block-start: 10px;
  inset-inline-start: 10px;
  z-index: 3000;
  padding: 12px 18px;
  transform: translateY(-170%);
  background: var(--snow);
  color: var(--night);
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  clip-path: polygon(0 0, 100% 0, 100% 72%, 86% 100%, 0 100%);
  transition: transform 0.2s var(--ease);
}

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

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  min-height: var(--header-height);
  background: rgba(6, 18, 14, 0.22);
  border-bottom: 1px solid rgba(217, 230, 225, 0.16);
  color: var(--snow);
  -webkit-backdrop-filter: blur(14px) saturate(1.1);
  backdrop-filter: blur(14px) saturate(1.1);
  transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.site-header[data-scrolled] {
  background: rgba(10, 47, 36, 0.97);
  border-bottom-color: rgba(0, 214, 154, 0.3);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.28);
}

.site-header[data-open] {
  background: var(--pitch);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.4vw, 36px);
  width: min(calc(100% - var(--gutter) - var(--gutter)), var(--content-max));
  min-height: var(--header-height);
  margin-inline: auto;
}

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

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

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  padding-block-start: 2px;
  background: var(--screen);
  color: var(--night);
  box-shadow: 8px 8px 0 rgba(255, 107, 26, 0.18);
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.04em;
  clip-path: polygon(0 0, 100% 0, 100% 72%, 72% 100%, 0 100%);
}

.brand-wordmark {
  color: var(--snow);
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 900;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.brand-tagline {
  padding-inline-start: 10px;
  border-inline-start: 1px solid rgba(217, 230, 225, 0.22);
  color: var(--mist);
  font-family: var(--font-data);
  font-size: 11px;
  line-height: 1.4;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-width: 0;
}

.nav-list {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: clamp(10px, 1.5vw, 26px);
}

.nav-item {
  min-width: 0;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 6px 2px;
  color: var(--mist);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.nav-link::after {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  inset-inline-end: 100%;
  inset-block-end: -11px;
  height: 3px;
  background: var(--signal);
  transition: inset-inline-end 0.25s var(--ease), background-color 0.2s var(--ease);
}

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

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

.nav-link[aria-current="page"]::after {
  inset-inline-end: 0;
  background: var(--signal);
}

.nav-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  flex-shrink: 0;
  gap: 3px;
  padding-inline-start: 18px;
  border-inline-start: 1px solid rgba(217, 230, 225, 0.2);
  line-height: 1.2;
}

.nav-meta-label {
  color: var(--amber);
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.14em;
}

.nav-meta-value {
  color: var(--snow);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.02em;
}

.header-actions {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  gap: 12px;
  margin-inline-start: auto;
}

.header-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--mist);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(255, 107, 26, 0.12);
  animation: signal-pulse 2.4s ease-in-out infinite;
}

@keyframes signal-pulse {
  0%,
  100% {
    background: var(--signal);
    box-shadow: 0 0 0 4px rgba(255, 107, 26, 0.12);
  }
  50% {
    background: var(--screen);
    box-shadow: 0 0 0 4px rgba(0, 214, 154, 0.14);
  }
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 16px;
  background: var(--signal);
  color: var(--night);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.04em;
  white-space: nowrap;
  clip-path: polygon(0 0, 100% 0, 100% 70%, 86% 100%, 0 100%);
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}

.header-cta:hover {
  transform: translateY(-1px);
  background: var(--screen);
  color: var(--night);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  padding: 0 12px;
  border: 1px solid rgba(217, 230, 225, 0.28);
  color: var(--snow);
  font-family: var(--font-data);
  font-size: 12px;
  line-height: 1;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  border-color: var(--screen);
  color: var(--screen);
}

.nav-toggle-label {
  white-space: nowrap;
}

.nav-toggle-icon {
  display: grid;
  gap: 4px;
  width: 18px;
}

.nav-toggle-icon span {
  display: block;
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.site-header[data-open] .nav-toggle {
  border-color: var(--signal);
  color: var(--signal);
}

.site-header[data-open] .nav-toggle-icon span:first-child {
  transform: translateY(3px) rotate(45deg);
}

.site-header[data-open] .nav-toggle-icon span:last-child {
  transform: translateY(-3px) rotate(-45deg);
}

/* Footer */
.site-footer {
  position: relative;
  overflow: hidden;
  padding: clamp(56px, 8vw, 110px) 0 28px;
  background: var(--night);
  border-top: 1px solid rgba(0, 214, 154, 0.22);
  color: var(--mist);
}

.site-footer::before {
  content: "";
  position: absolute;
  inset-block-start: 0;
  inset-inline-start: 0;
  width: min(36vw, 420px);
  height: 4px;
  background: var(--signal);
}

.site-footer::after {
  content: "";
  position: absolute;
  inset-block-start: 44px;
  inset-inline-end: -90px;
  width: 260px;
  height: 260px;
  border: 1px solid rgba(30, 111, 168, 0.35);
  transform: rotate(45deg);
  pointer-events: none;
}

.footer-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  align-items: start;
  gap: clamp(32px, 6vw, 96px);
  width: min(calc(100% - var(--gutter) - var(--gutter)), var(--content-max));
  margin-inline: auto;
}

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

.footer-brand-link {
  display: inline-block;
  color: var(--snow);
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.045em;
}

.footer-brand-link:hover {
  color: var(--screen);
}

.footer-kicker {
  margin-block-start: 16px;
  color: var(--screen);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.footer-brand-copy {
  max-width: 36ch;
  margin-block-start: 18px;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.8;
}

.footer-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-block-start: 22px;
  padding: 8px 12px;
  background: rgba(0, 214, 154, 0.06);
  border: 1px solid rgba(0, 214, 154, 0.25);
  color: var(--snow);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(24px, 4vw, 48px);
  min-width: 0;
}

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

.footer-title {
  margin-block-end: 18px;
  color: var(--snow);
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.footer-group--contact .footer-title {
  color: var(--amber);
}

.footer-list {
  display: grid;
  gap: 10px;
}

.footer-link {
  color: var(--mist);
  font-size: 14px;
  line-height: 1.5;
  transition: color 0.2s var(--ease), padding-inline-start 0.2s var(--ease);
}

.footer-link:hover {
  padding-inline-start: 4px;
  color: var(--screen);
}

.footer-contact {
  display: grid;
  gap: 12px;
  color: var(--mist);
  font-size: 13px;
  line-height: 1.7;
}

.footer-contact-line {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 8px;
}

.footer-contact-label {
  color: var(--mist);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.footer-contact-value {
  color: var(--snow);
  overflow-wrap: anywhere;
}

.footer-base {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 24px;
  width: min(calc(100% - var(--gutter) - var(--gutter)), var(--content-max));
  margin: clamp(40px, 6vw, 72px) auto 0;
  padding-block-start: 22px;
  border-top: 1px solid rgba(217, 230, 225, 0.14);
  color: var(--mist);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.footer-legal,
.footer-note {
  margin: 0;
}

.footer-note {
  color: var(--snow);
}

/* Shared layout and content components */
.poster-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  align-items: start;
  gap: clamp(24px, 5vw, 72px);
}

.poster-grid--reverse {
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
}

.poster-grid > * {
  min-width: 0;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  align-items: end;
  gap: clamp(20px, 4vw, 64px);
  margin-block-end: clamp(28px, 5vw, 64px);
}

.section-title {
  font-size: clamp(2.2rem, 5vw, 4.6rem);
  line-height: 0.96;
}

.section-kicker {
  max-width: 52ch;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.75;
}

.reading-column {
  max-width: 72ch;
}

.reading-column > * + * {
  margin-block-start: 1.25em;
}

.reading-column p,
.reading-column li {
  color: rgba(244, 251, 248, 0.82);
}

.reading-column h2,
.reading-column h3 {
  margin-block-start: 1.8em;
}

.rule {
  height: 1px;
  margin-block: clamp(28px, 5vw, 56px);
  border: 0;
  background: rgba(217, 230, 225, 0.2);
}

.panel-cut {
  position: relative;
  padding: clamp(20px, 3.5vw, 42px);
  background: var(--panel);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.22);
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 0 100%);
}

.panel-cut::before {
  content: "";
  position: absolute;
  inset-block-start: 0;
  inset-inline-start: 0;
  width: 64px;
  height: 3px;
  background: var(--signal);
}

.notice-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  padding: 12px 16px;
  background: rgba(255, 107, 26, 0.08);
  border-inline-start: 3px solid var(--signal);
  color: var(--snow);
  font-size: 14px;
  line-height: 1.7;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 22px;
  background: var(--screen);
  color: var(--night);
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.02em;
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.button:hover {
  transform: translateY(-2px);
  background: var(--snow);
  color: var(--night);
}

.button--signal {
  background: var(--signal);
  color: var(--night);
}

.button--ghost {
  background: transparent;
  border-color: rgba(217, 230, 225, 0.36);
  color: var(--snow);
}

.button--ghost:hover {
  background: rgba(0, 214, 154, 0.1);
  border-color: var(--screen);
  color: var(--screen);
}

.button--quiet {
  min-height: 0;
  padding: 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(0, 214, 154, 0.45);
  color: var(--screen);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  clip-path: none;
}

.button--quiet:hover {
  transform: none;
  background: transparent;
  border-bottom-color: var(--signal);
  color: var(--snow);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--screen);
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--signal);
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  background: rgba(0, 214, 154, 0.05);
  border: 1px solid rgba(0, 214, 154, 0.3);
  color: var(--screen);
  font-family: var(--font-data);
  font-size: 11px;
  line-height: 1.4;
  letter-spacing: 0.08em;
}

.data-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 6px 10px;
  background: rgba(30, 111, 168, 0.16);
  border-inline-start: 2px solid var(--amber);
  color: var(--snow);
  font-family: var(--font-data);
  font-size: 12px;
  line-height: 1.4;
}

.stat-number {
  display: block;
  color: var(--screen);
  font-family: var(--font-data);
  font-size: clamp(2.5rem, 7vw, 6rem);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.06em;
}

.breadcrumbs {
  color: var(--mist);
  font-family: var(--font-data);
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.06em;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.breadcrumbs li + li::before {
  content: "/";
  margin-inline-end: 8px;
  color: var(--plateau);
}

.breadcrumbs a {
  color: var(--mist);
}

.breadcrumbs a:hover {
  color: var(--screen);
}

.breadcrumbs [aria-current="page"] {
  color: var(--snow);
}

.data-table {
  width: 100%;
  border: 1px solid rgba(217, 230, 225, 0.16);
  color: var(--snow);
  font-family: var(--font-data);
  font-size: 13px;
  line-height: 1.5;
}

.data-table th,
.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(217, 230, 225, 0.12);
  text-align: start;
  vertical-align: middle;
}

.data-table th {
  background: rgba(30, 111, 168, 0.12);
  color: var(--mist);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
}

.data-table td {
  color: var(--snow);
}

.data-table tbody tr {
  transition: background-color 0.2s var(--ease);
}

.data-table tbody tr:hover {
  background: rgba(0, 214, 154, 0.06);
}

.data-table .is-num {
  text-align: end;
  font-variant-numeric: tabular-nums;
}

.timeline {
  position: relative;
  display: grid;
  gap: 0;
  margin: 0;
  padding: 8px 0 8px 24px;
}

.timeline::before {
  content: "";
  position: absolute;
  inset-block: 12px;
  inset-inline-start: 6px;
  width: 2px;
  background: var(--plateau);
  opacity: 0.55;
}

.timeline-item {
  position: relative;
  padding: 0 0 28px 24px;
}

.timeline-item:last-child {
  padding-block-end: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  inset-block-start: 7px;
  inset-inline-start: -23px;
  width: 12px;
  height: 12px;
  transform: rotate(45deg);
  background: var(--screen);
  border: 3px solid var(--pitch);
  box-shadow: 0 0 0 1px var(--screen);
}

.fold {
  background: rgba(6, 18, 14, 0.3);
  border: 1px solid rgba(217, 230, 225, 0.16);
}

.fold + .fold {
  margin-block-start: 10px;
}

.fold summary {
  position: relative;
  padding: 18px 44px 18px 20px;
  color: var(--snow);
  font-weight: 700;
  line-height: 1.5;
  cursor: pointer;
  list-style: none;
}

.fold summary::-webkit-details-marker {
  display: none;
}

.fold summary::after {
  content: "+";
  position: absolute;
  inset-block-start: 50%;
  inset-inline-end: 20px;
  transform: translateY(-50%);
  color: var(--signal);
  font-family: var(--font-data);
  font-size: 18px;
  font-weight: 700;
}

.fold[open] summary::after {
  content: "–";
}

.fold__content {
  padding: 0 20px 20px;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.75;
}

.media-frame {
  position: relative;
  overflow: hidden;
  margin: 0;
  aspect-ratio: 16 / 10;
  background: var(--night);
  border: 1px solid rgba(217, 230, 225, 0.14);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.06);
}

.media-frame figcaption {
  position: absolute;
  inset-inline: 0;
  inset-block-end: 0;
  padding: 26px 16px 10px;
  background: rgba(6, 18, 14, 0.82);
  color: var(--snow);
  font-family: var(--font-data);
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.06em;
}

.media-frame--wide {
  aspect-ratio: 16 / 9;
}

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

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

.media-frame--screen {
  aspect-ratio: 16 / 10;
  border-color: rgba(0, 214, 154, 0.42);
  box-shadow: inset 0 0 0 1px rgba(0, 214, 154, 0.1);
}

.scroll-progress {
  position: fixed;
  inset-block-start: 0;
  inset-inline-start: 0;
  z-index: 1200;
  width: 100%;
  height: 3px;
  transform: scaleX(var(--scroll-ratio, 0));
  transform-origin: left center;
  background: var(--screen);
  box-shadow: 0 0 16px rgba(0, 214, 154, 0.6);
  pointer-events: none;
}

.back-to-top {
  position: fixed;
  inset-block-end: clamp(14px, 3vw, 28px);
  inset-inline-end: clamp(14px, 3vw, 28px);
  z-index: 900;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  transform: translateY(12px);
  background: var(--pitch);
  border: 1px solid rgba(0, 214, 154, 0.35);
  color: var(--snow);
  font-family: var(--font-data);
  font-size: 21px;
  line-height: 1;
  opacity: 0;
  visibility: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 70%, 70% 100%, 0 100%);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease), visibility 0.2s var(--ease), background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.back-to-top[data-visible] {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--night);
}

@media (max-width: 1240px) {
  .brand-tagline,
  .nav-meta {
    display: none;
  }
}

@media (max-width: 1040px) {
  :root {
    --header-height: 72px;
  }

  .header-inner {
    gap: 14px;
  }

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

  .site-nav {
    position: fixed;
    inset-block-start: var(--header-height);
    inset-inline: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    max-height: calc(100vh - var(--header-height));
    padding: 12px var(--gutter) calc(20px + env(safe-area-inset-bottom));
    overflow-y: auto;
    background: var(--night);
    border-bottom: 1px solid rgba(217, 230, 225, 0.18);
    box-shadow: 0 28px 60px rgba(0, 0, 0, 0.4);
    animation: nav-drop 0.2s var(--ease);
  }

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

  @keyframes nav-drop {
    from {
      transform: translateY(-8px);
      opacity: 0;
    }
    to {
      transform: translateY(0);
      opacity: 1;
    }
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
  }

  .nav-item {
    border-bottom: 1px solid rgba(217, 230, 225, 0.12);
  }

  .nav-link {
    width: 100%;
    min-height: 54px;
    justify-content: space-between;
    padding: 0 4px;
    color: var(--snow);
    font-size: 16px;
  }

  .nav-link::after {
    inset-inline-start: 0;
    inset-inline-end: auto;
    inset-block-end: 0;
    width: 0;
    height: 3px;
    transition: width 0.22s var(--ease), background-color 0.2s var(--ease);
  }

  .nav-link:hover::after {
    width: 42px;
  }

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

  .nav-link[aria-current="page"]::after {
    width: 100%;
    background: var(--signal);
  }

  .nav-meta {
    display: flex;
    align-items: flex-start;
    margin-block-start: 14px;
    padding-block-start: 16px;
    padding-inline-start: 0;
    border-inline-start: 0;
    border-block-start: 1px solid rgba(217, 230, 225, 0.14);
  }

  .header-status {
    display: none;
  }

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

  .footer-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .poster-grid,
  .poster-grid--reverse,
  .section-head {
    grid-template-columns: 1fr;
  }

  .section-head {
    align-items: start;
  }

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

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

@media (max-width: 680px) {
  .brand-mark {
    width: 38px;
    height: 38px;
    font-size: 1.2rem;
    box-shadow: 6px 6px 0 rgba(255, 107, 26, 0.18);
  }

  .brand-wordmark {
    font-size: 0.98rem;
  }

  .header-actions {
    gap: 8px;
  }

  .header-cta {
    min-height: 36px;
    padding-inline: 12px;
    font-size: 12px;
  }

  .nav-toggle {
    padding-inline: 10px;
  }

  .nav-toggle-label {
    display: none;
  }

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

  .footer-group--contact {
    grid-column: auto;
  }

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

@media (max-width: 460px) {
  :root {
    --gutter: 16px;
  }

  .header-cta {
    display: none;
  }

  .footer-contact-line {
    grid-template-columns: 38px minmax(0, 1fr);
  }
}

@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;
  }
}