/* ========== Design tokens ========== */
:root {
  --color-bg: #0A1128;
  --color-bg-panel: #101B3A;
  --color-accent: #C6FF00;
  --color-gold: #F5B700;
  --color-red: #FF3B30;
  --color-text: #F0F4FF;
  --color-muted: #A8B4D0;
  --color-border: #2A3A6A;
  --color-cream: #F5E6C8;
  --color-cream-ink: #2B1E0B;

  --font-headline: "Oswald", "Impact", "Arial Narrow", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-data: "Fira Mono", "Consolas", "Courier New", monospace;

  --header-h: 72px;
  --content-max: 1200px;
}

/* ========== Reset ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headline);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: 0.45em;
}

p { margin-bottom: 1em; }
ul, ol { padding-left: 1.4em; margin-bottom: 1em; }
a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }

/* ========== Layout ========== */
.content-shell {
  width: min(calc(100% - 2rem), var(--content-max));
  margin-inline: auto;
}

.main-content {
  min-height: 70vh;
  scroll-margin-top: calc(var(--header-h) + 10px);
}

.main-content > .content-section:first-child {
  padding-top: calc(var(--header-h) + clamp(28px, 5vw, 56px));
}

.content-section {
  position: relative;
  padding-block: clamp(40px, 6vw, 72px);
}

.content-section--compact {
  padding-block: 24px 40px;
}

.content-section--cream {
  background-color: var(--color-cream);
  color: var(--color-cream-ink);
}

.content-section--cream h1,
.content-section--cream h2,
.content-section--cream h3,
.content-section--cream h4 {
  color: var(--color-cream-ink);
}

.content-section--cream a { color: #8A5A00; }
.content-section--cream .section-title { color: var(--color-cream-ink); }
.content-section--cream .section-index { color: #8A5A00; }

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

.skip-link {
  position: fixed;
  top: -72px;
  left: 16px;
  z-index: 300;
  padding: 12px 20px;
  font-weight: 700;
  background: var(--color-accent);
  color: var(--color-bg);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
  transition: top 0.25s ease;
}

.skip-link:focus-visible {
  top: 12px;
  text-decoration: none;
}

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

/* ========== Scroll progress ========== */
.page-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-gold) 60%);
  box-shadow: 0 0 12px rgba(198, 255, 0, 0.35);
  z-index: 300;
  pointer-events: none;
}

/* ========== Header ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: linear-gradient(180deg, rgba(10, 17, 40, 0.82) 0%, rgba(10, 17, 40, 0.4) 60%, transparent 100%);
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(115deg, transparent 0 14px, rgba(198, 255, 0, 0.05) 14px 15px, transparent 15px 30px);
  animation: header-speed 36s linear infinite;
  pointer-events: none;
}

.site-header.is-scrolled {
  background: var(--color-bg);
  border-bottom-color: var(--color-border);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

@keyframes header-speed {
  from { background-position: 0 0; }
  to { background-position: 60px 0; }
}

.header-inner {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
  width: min(calc(100% - 2rem), var(--content-max));
  height: var(--header-h);
  margin-inline: auto;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  text-decoration: none;
}

.brand-lockup:hover { text-decoration: none; }

.brand-mark {
  font-family: var(--font-headline);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  padding: 6px 10px 4px;
  color: var(--color-accent);
  background: var(--color-bg-panel);
  border: 1px solid var(--color-accent);
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 0 100%);
  letter-spacing: 1px;
  white-space: nowrap;
}

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

.brand-name {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--color-text);
  white-space: nowrap;
}

.brand-sub {
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 2.5px;
  color: var(--color-muted);
  text-transform: uppercase;
  white-space: nowrap;
}

.site-nav { justify-self: center; }

.nav-list {
  display: flex;
  gap: 2px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list a {
  position: relative;
  display: block;
  padding: 10px 14px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-text);
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.22s ease;
}

.nav-list a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

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

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

.nav-list a[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--color-gold);
  box-shadow: 0 0 8px rgba(245, 183, 0, 0.6);
}

.header-cta {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 16px 7px;
  font-family: var(--font-headline);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(198, 255, 0, 0.08);
  border: 1px solid var(--color-accent);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease;
}

.header-cta::before {
  content: "★";
  font-size: 12px;
  color: var(--color-gold);
}

.header-cta:hover {
  background: var(--color-accent);
  color: var(--color-bg);
  text-decoration: none;
}

.header-cta:hover::before { color: var(--color-bg); }

.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 8px 10px;
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  cursor: pointer;
  transition: border-color 0.2s ease;
}

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

.nav-toggle-lines {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 20px;
}

.nav-toggle-line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.nav-toggle-label {
  font-size: 10px;
  letter-spacing: 1px;
  line-height: 1;
  color: var(--color-muted);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2) { opacity: 0; }

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 1080px) {
  .header-inner { display: flex; }
  .brand-lockup { margin-right: auto; }
  .header-cta {
    order: 1;
    padding: 8px 12px 6px;
    font-size: 12px;
    letter-spacing: 1px;
  }
  .nav-toggle {
    order: 2;
    display: inline-flex;
  }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease-out;
  }
  .site-nav[data-open] {
    max-height: min(480px, 80vh);
    overflow-y: auto;
  }
  .nav-list {
    flex-direction: column;
    gap: 0;
    padding: 8px 16px 16px;
  }
  .nav-list a {
    padding: 14px 8px;
    font-size: 16px;
    border-bottom: 1px solid var(--color-border);
  }
  .nav-list a:last-child { border-bottom: none; }
  .nav-list a::after { display: none; }
  .nav-list a[aria-current="page"] { background: rgba(198, 255, 0, 0.08); }
}

@media (max-width: 560px) {
  .brand-mark { font-size: 24px; padding: 5px 8px 3px; }
  .brand-name { font-size: 16px; letter-spacing: 2px; }
  .brand-sub { display: none; }
  .header-cta { padding: 8px 10px 6px; font-size: 12px; }
  .header-cta::before { display: none; }
}

/* ========== Page hero / home cover ========== */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + clamp(40px, 7vw, 80px)) 0 clamp(36px, 5vw, 64px);
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(135deg, var(--color-bg-panel) 0%, var(--color-bg) 75%);
}

.page-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 200px;
  height: 200px;
  border: 2px solid var(--color-border);
  transform: rotate(45deg);
  background: repeating-linear-gradient(45deg, transparent 0 16px, rgba(198, 255, 0, 0.05) 16px 18px);
  pointer-events: none;
}

.home-cover {
  position: relative;
  min-height: 92vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: calc(var(--header-h) + clamp(40px, 8vw, 80px)) 0 clamp(40px, 7vw, 72px);
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(circle at 80% 20%, rgba(198, 255, 0, 0.12), transparent 28%),
    linear-gradient(125deg, var(--color-bg-panel) 0%, var(--color-bg) 70%);
  overflow: hidden;
}

.home-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(115deg, transparent 0 26px, rgba(198, 255, 0, 0.05) 26px 28px, transparent 28px 54px);
  animation: header-speed 40s linear infinite;
  pointer-events: none;
}

.home-cover::after {
  content: "";
  position: absolute;
  right: -60px;
  top: 20%;
  width: 180px;
  height: 180px;
  border: 2px solid var(--color-border);
  transform: rotate(45deg) skewX(-8deg);
  background: repeating-linear-gradient(45deg, transparent 0 14px, rgba(245, 183, 0, 0.06) 14px 16px);
  pointer-events: none;
}

/* ========== Breadcrumb ========== */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  padding: 16px 0;
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--color-muted);
}

.breadcrumb a { color: var(--color-muted); }
.breadcrumb a:hover { color: var(--color-accent); text-decoration: none; }
.breadcrumb__sep { color: var(--color-border); }
.breadcrumb__current { color: var(--color-text); }

/* ========== Section head ========== */
.section-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-bottom: 28px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.section-head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 76px;
  height: 2px;
  background: var(--color-accent);
}

.section-index {
  font-family: var(--font-data);
  font-size: 14px;
  letter-spacing: 2px;
  color: var(--color-accent);
}

.section-title {
  margin: 0;
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.slash-line {
  display: block;
  width: min(240px, 50%);
  height: 2px;
  margin: 16px 0 24px;
  background: repeating-linear-gradient(115deg, var(--color-accent) 0 10px, transparent 10px 20px);
  opacity: 0.7;
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px 9px;
  border: 1px solid var(--color-accent);
  background: rgba(198, 255, 0, 0.07);
  color: var(--color-accent);
  font-family: var(--font-headline);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.btn:hover {
  background: var(--color-accent);
  color: var(--color-bg);
  text-decoration: none;
  transform: translateX(2px);
}

.btn--ghost {
  border-color: var(--color-border);
  background: transparent;
  color: var(--color-text);
}

.btn--ghost:hover {
  border-color: var(--color-accent);
  background: var(--color-bg-panel);
  color: var(--color-accent);
  transform: none;
}

.btn--gold {
  border-color: var(--color-gold);
  background: rgba(245, 183, 0, 0.07);
  color: var(--color-gold);
}

.btn--gold:hover {
  background: var(--color-gold);
  color: var(--color-bg);
}

.btn--sm {
  padding: 7px 14px 5px;
  font-size: 13px;
  letter-spacing: 1px;
}

/* ========== Tags ========== */
.tag {
  display: inline-block;
  padding: 3px 10px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
}

.tag--gold {
  color: var(--color-gold);
  border-color: rgba(245, 183, 0, 0.4);
  background: rgba(245, 183, 0, 0.05);
}

.tag--red {
  color: var(--color-red);
  border-color: rgba(255, 59, 48, 0.4);
  background: rgba(255, 59, 48, 0.05);
}

/* ========== Data display ========== */
.data-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.data-card {
  position: relative;
  padding: 24px 24px 28px;
  background: linear-gradient(165deg, var(--color-bg-panel) 0%, #0D1733 100%);
  border: 1px solid var(--color-border);
  border-top: 2px solid var(--color-accent);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.data-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.36);
}

.data-card--gold { border-top-color: var(--color-gold); }
.data-card--red { border-top-color: var(--color-red); }

.data-kpi__value {
  font-family: var(--font-headline);
  font-size: clamp(40px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.05;
  color: var(--color-accent);
}

.data-kpi--gold .data-kpi__value { color: var(--color-gold); }
.data-kpi--red .data-kpi__value { color: var(--color-red); }

.data-kpi__label {
  margin-top: 6px;
  font-size: 14px;
  letter-spacing: 1px;
  color: var(--color-muted);
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.data-table-wrap { overflow-x: auto; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table th {
  padding: 10px 12px;
  text-align: left;
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-muted);
  border-bottom: 2px solid var(--color-border);
  white-space: nowrap;
}

.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}

.data-table tbody tr { transition: background 0.15s ease; }
.data-table tbody tr:hover { background: rgba(198, 255, 0, 0.05); }
.data-table .num { text-align: right; font-family: var(--font-data); }

/* ========== Tabs ========== */
.tabs { margin: 20px 0 28px; }

.tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}

.tabs__btn {
  padding: 10px 18px 8px;
  font-family: var(--font-headline);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-muted);
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  border-bottom: none;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 0 100%);
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.tabs__btn:hover {
  color: var(--color-text);
  border-color: var(--color-muted);
}

.tabs__btn.is-active {
  color: var(--color-bg);
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.tabs__panel { display: none; }

.tabs__panel.is-active {
  display: block;
  animation: tabs-fade 0.3s ease-out;
}

@keyframes tabs-fade {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

/* ========== Accordion ========== */
.accordion { margin: 20px 0 28px; }

.accordion details {
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  margin-bottom: 8px;
}

.accordion summary {
  cursor: pointer;
  padding: 14px 46px 14px 18px;
  font-weight: 600;
  list-style: none;
  color: var(--color-text);
  position: relative;
}

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

.accordion summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-data);
  color: var(--color-accent);
  font-size: 16px;
}

.accordion details[open] summary::after { content: "–"; }
.accordion details[open] { border-left: 2px solid var(--color-accent); }

.accordion-body {
  padding: 0 18px 18px;
  color: var(--color-muted);
}

/* ========== Prose ========== */
.prose {
  font-size: 16px;
  line-height: 1.9;
  color: var(--color-muted);
}

.prose h2 { margin-top: 1.6em; font-size: 26px; }
.prose h3 { margin-top: 1.4em; }

.prose blockquote {
  margin: 1.4em 0;
  padding: 4px 0 4px 18px;
  border-left: 3px solid var(--color-gold);
  color: var(--color-muted);
  background: rgba(245, 183, 0, 0.05);
}

.prose code {
  font-family: var(--font-data);
  font-size: 0.9em;
  color: var(--color-accent);
  background: var(--color-bg-panel);
  padding: 2px 6px;
}

/* ========== Image stage ========== */
.img-stage {
  position: relative;
  overflow: hidden;
  min-height: 200px;
  background:
    repeating-linear-gradient(135deg, var(--color-bg-panel) 0 12px, #0D1733 12px 14px),
    var(--color-bg-panel);
  border: 1px solid var(--color-border);
}

.img-stage img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.img-stage::after {
  content: attr(data-caption);
  position: absolute;
  left: 0;
  bottom: 0;
  max-width: 80%;
  padding: 4px 12px;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--color-accent);
  background: rgba(10, 17, 40, 0.85);
  border-top: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
}

.img-stage--ratio { aspect-ratio: 16 / 9; }
.img-stage--ratio-tall { aspect-ratio: 3 / 4; }

/* ========== List plain ========== */
.list-plain {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

/* ========== Reveal ========== */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.2, 0.7, 0.2, 1), transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1);
  will-change: opacity, transform;
}

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

/* ========== Footer ========== */
.site-footer {
  position: relative;
  overflow: hidden;
  margin-top: clamp(48px, 8vw, 96px);
  background: linear-gradient(180deg, var(--color-bg) 0%, #060C1F 100%);
  border-top: 1px solid var(--color-border);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-gold) 55%, var(--color-red));
  opacity: 0.5;
}

.site-footer::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -60px;
  width: 240px;
  height: 240px;
  border: 2px solid var(--color-border);
  transform: rotate(45deg) scale(0.92);
  background: repeating-linear-gradient(45deg, transparent 0 16px, rgba(198, 255, 0, 0.05) 16px 18px);
  pointer-events: none;
  opacity: 0.7;
}

.site-footer .content-shell { position: relative; z-index: 1; }

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.3fr;
  gap: clamp(24px, 4vw, 48px);
  padding: 56px 0 40px;
}

.footer-brand { max-width: 320px; }

.footer-brand-lockup {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px 12px;
}

.footer-brand-mark {
  font-family: var(--font-headline);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--color-text);
}

.footer-brand-sub {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--color-muted);
}

.footer-slogan {
  margin: 14px 0 20px;
  font-size: 14px;
  color: var(--color-muted);
}

.footer-title {
  margin: 0 0 16px;
  padding-bottom: 8px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.footer-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 36px;
  height: 2px;
  background: var(--color-accent);
}

.footer-col li {
  font-size: 14px;
  line-height: 2.15;
  color: var(--color-muted);
}

.footer-col a {
  color: var(--color-muted);
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.footer-contact { word-break: break-word; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 8px 24px;
  padding: 16px 0;
  border-top: 1px solid var(--color-border);
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--color-muted);
}

@media (max-width: 1080px) {
  .data-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 640px) {
  .data-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ========== Back to top ========== */
.to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 90;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-data);
  font-size: 22px;
  line-height: 1;
  color: var(--color-accent);
  background: var(--color-bg-panel);
  border: 1px solid var(--color-accent);
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease, background 0.2s ease;
}

.to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.to-top:hover {
  background: var(--color-accent);
  color: var(--color-bg);
}

/* ========== Reduced motion ========== */
@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;
  }

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

  .site-header::before,
  .home-cover::before {
    animation: none;
  }
}