/* ============================================================
   万象城体育主站 · 共享样式 /assets/site.css
   深夜战术室 + 清晨通勤电台 · 海报分层 · 现代粗野主义
   ============================================================ */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  background-color: #061A16;
}

body,
h1, h2, h3, h4, h5, h6,
p, ul, ol, dl, figure, blockquote, pre { margin: 0; }

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

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

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

button { background: none; border: 0; }

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

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

/* ---------- 2. Tokens ---------- */
:root {
  --ink: #061A16;
  --ink-deep: #04110E;
  --surface: #0C2A24;
  --line: #17443A;
  --cyan: #00E5C3;
  --cyan-soft: #7BF1D8;
  --orange: #FF8A3D;
  --cream: #F4EEDF;
  --muted: #A9BFB7;
  --caramel: #C76B2E;
  --on-accent: #101410;

  --font-display: "Barlow Condensed", "Oswald", "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --shadow-hard: 6px 6px 0 rgba(0, 0, 0, 0.42);
  --shadow-soft: 4px 4px 0 rgba(0, 0, 0, 0.28);
  --rail-w: 0px;
  --stack-gap: 16px;
  --scroll-progress: 0;
}

/* ---------- 3. Base typography ---------- */
body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--cream);
  background-color: var(--ink);
  background-image:
    repeating-linear-gradient(90deg, rgba(23, 68, 58, 0.22) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(0deg, rgba(23, 68, 58, 0.16) 0 1px, transparent 1px 88px);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

@media (min-width: 768px) {
  body { font-size: 17px; }
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--cream);
  text-wrap: balance;
}

h1 { font-size: clamp(2.5rem, 7.2vw, 5rem); }
h2 { font-size: clamp(1.75rem, 3.6vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2.2vw, 1.625rem); letter-spacing: -0.005em; }
h4 { font-size: 1.0625rem; letter-spacing: 0; }

p { text-wrap: pretty; }

strong { font-weight: 700; color: var(--cyan-soft); }

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

/* ---------- 4. Focus ---------- */
:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 0;
}

/* ---------- 5. Skip link ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 400;
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--on-accent);
  background: var(--cyan);
  border: 3px solid var(--on-accent);
  box-shadow: var(--shadow-soft);
  transform: translateY(-160%);
  transition: transform 0.18s ease;
}

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

/* ---------- 6. Layout utilities ---------- */
.container {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: 20px;
}

@media (min-width: 768px) {
  .container { padding-inline: 32px; }
}

@media (min-width: 1440px) {
  .container { max-width: 1320px; }
}

.section {
  padding-block: 44px;
}

.section--tight {
  padding-block: 24px;
}

@media (min-width: 768px) {
  .section { padding-block: 64px; }
  .section--tight { padding-block: 32px; }
}

.grid {
  display: grid;
  gap: 20px;
}

.grid--2,
.grid--3,
.grid--rail {
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 768px) {
  .grid { gap: 24px; }
  .grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1200px) {
  .grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid--rail { grid-template-columns: minmax(180px, 248px) minmax(0, 1fr); }
}

.stack > * + * {
  margin-top: var(--stack-gap);
}

/* ---------- 7. Text blocks ---------- */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.kicker::before {
  content: "";
  display: block;
  width: 18px;
  height: 8px;
  background: var(--orange);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.75rem, 3.6vw, 2.75rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
}

.lede {
  max-width: 64ch;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: #DCD5C5;
}

.annotation {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  font-weight: 700;
  color: var(--cyan);
  border-bottom: 2px solid transparent;
  transition: border-color 0.16s ease, color 0.16s ease;
}

.link-arrow::after {
  content: "→";
  font-family: var(--font-mono);
  transition: transform 0.16s ease;
}

.link-arrow:hover,
.link-arrow:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

.link-arrow:hover::after {
  transform: translateX(4px);
}

.divider {
  border: 0;
  border-top: 2px dashed var(--line);
  margin-block: 32px;
}

/* ---------- 8. Surfaces & tags ---------- */
.panel {
  position: relative;
  background: var(--surface);
  border: 3px solid var(--line);
  padding: 22px;
  box-shadow: var(--shadow-hard);
}

.panel--cream {
  background: var(--cream);
  color: #16140E;
  border-color: #16140E;
  box-shadow: 6px 6px 0 rgba(0, 229, 195, 0.35);
}

.panel--cream h2,
.panel--cream h3,
.panel--cream h4 { color: #16140E; }

.panel--cream .kicker { color: var(--caramel); }
.panel--cream .annotation { color: #5B6455; }
.panel--cream .lede { color: #2A2822; }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  background: rgba(12, 42, 36, 0.85);
  border: 2px solid var(--line);
}

.tag--cyan {
  color: var(--on-accent);
  background: var(--cyan);
  border-color: var(--cyan);
}

.tag--orange {
  color: var(--on-accent);
  background: var(--orange);
  border-color: var(--orange);
}

/* ---------- 9. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 20px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.03em;
  text-align: center;
  color: var(--cream);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.16s ease, box-shadow 0.16s ease,
              background-color 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}

.btn--primary {
  color: var(--on-accent);
  background: var(--orange);
  border-color: var(--orange);
  box-shadow: 5px 5px 0 rgba(0, 229, 195, 0.28);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 rgba(0, 229, 195, 0.38);
}

.btn--primary:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 rgba(0, 229, 195, 0.3);
}

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

.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: var(--cyan);
  background: rgba(0, 229, 195, 0.08);
  color: var(--cyan-soft);
}

.btn--quiet {
  color: var(--cream);
  background: transparent;
  border-color: var(--line);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
}

.btn--quiet:hover,
.btn--quiet:focus-visible {
  border-color: var(--caramel);
  background: rgba(199, 107, 46, 0.12);
}

/* ---------- 10. Image frames ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  border: 3px solid var(--line);
  background:
    repeating-linear-gradient(135deg, rgba(0, 229, 195, 0.07) 0 10px, transparent 10px 20px),
    var(--surface);
  aspect-ratio: 16 / 10;
}

.media-frame img,
.media-frame picture,
.media-frame video,
.media-frame svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 4 / 5; }
.media-frame--square { aspect-ratio: 1 / 1; }

.media-frame__ph {
  position: absolute;
  inset: auto 0 0 0;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  background: linear-gradient(transparent, rgba(4, 17, 14, 0.88));
}

/* ---------- 11. Breadcrumbs ---------- */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.breadcrumbs__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.breadcrumbs__item a {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  color: var(--muted);
  transition: color 0.16s ease;
}

.breadcrumbs__item a:hover,
.breadcrumbs__item a:focus-visible { color: var(--cyan); }

.breadcrumbs__sep { color: var(--line); }

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

/* ---------- 12. Header · mobile base ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(180deg, #08211C 0%, #061A16 100%);
  border-bottom: 3px solid var(--line);
  color: var(--cream);
  transition: box-shadow 0.2s ease;
}

.site-header[data-stuck] {
  box-shadow: 0 10px 0 rgba(0, 229, 195, 0.12);
}

.header-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  max-width: 1600px;
  margin-inline: auto;
}

/* Brand */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
  color: var(--cream);
}

.brand__mark {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--on-accent);
  background: var(--cyan);
  border: 2px solid var(--on-accent);
  box-shadow: 4px 4px 0 var(--orange);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.brand:hover .brand__mark,
.brand:focus-visible .brand__mark {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--orange);
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.brand__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.0625rem;
  line-height: 1.15;
  letter-spacing: -0.005em;
  white-space: nowrap;
}

.brand__tagline {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Toggle */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 48px;
  min-width: 48px;
  padding: 0 14px;
  color: var(--cream);
  background: rgba(12, 42, 36, 0.9);
  border: 2px solid var(--line);
  cursor: pointer;
  transition: border-color 0.16s ease, background-color 0.16s ease;
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  border-color: var(--cyan);
  background: rgba(0, 229, 195, 0.1);
}

.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  gap: 5px;
  width: 18px;
}

.nav-toggle__bars span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--cyan);
  transition: transform 0.2s ease;
}

.site-header[data-open] .nav-toggle__bars span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.site-header[data-open] .nav-toggle__bars span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

.nav-toggle__label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

/* Drawer nav (mobile) */
.site-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 95;
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-height: calc(100dvh - 72px);
  padding: 20px 16px 28px;
  overflow-y: auto;
  background: var(--ink-deep);
  border-top: 3px solid var(--line);
  border-bottom: 3px solid var(--line);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.site-header[data-open] .site-nav {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.site-nav__list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.site-nav__item { display: block; }

.site-nav__link {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
  padding: 10px 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.0625rem;
  letter-spacing: 0.02em;
  color: var(--cream);
  border: 2px solid transparent;
  border-left: 4px solid var(--line);
  transition: background-color 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
  background: var(--surface);
  border-color: var(--line);
  border-left-color: var(--orange);
}

.site-nav__link[aria-current="page"] {
  color: var(--cyan);
  background: var(--surface);
  border-color: var(--line);
  border-left-color: var(--cyan);
}

.site-nav__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.site-nav__link[aria-current="page"] .site-nav__num { color: var(--orange); }

.site-nav__text { display: block; }

.nav-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 16px;
  border-top: 2px dashed var(--line);
}

.nav-actions__cta { width: 100%; }

.nav-legacy {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  min-height: 48px;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cream);
  border: 2px dashed var(--caramel);
  transition: background-color 0.16s ease, border-color 0.16s ease;
}

.nav-legacy:hover,
.nav-legacy:focus-visible {
  background: rgba(199, 107, 46, 0.16);
  border-color: var(--orange);
}

.nav-legacy__tag {
  padding: 2px 7px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--on-accent);
  background: var(--caramel);
}

.nav-legacy__text { color: var(--muted); }

/* Scroll progress · mobile */
.rail-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: rgba(0, 229, 195, 0.14);
  pointer-events: none;
}

.rail-progress__bar {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
  transform: scaleX(var(--scroll-progress, 0));
  transform-origin: left center;
}

body.nav-open { overflow: hidden; }

/* ---------- 13. Header · desktop rail ---------- */
@media (min-width: 1024px) {
  :root { --rail-w: 272px; }

  body { padding-left: var(--rail-w); }

  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--rail-w);
    height: 100dvh;
    overflow-y: auto;
    border-bottom: 0;
    border-right: 3px solid var(--line);
    background:
      repeating-linear-gradient(180deg, rgba(0, 229, 195, 0.06) 0 1px, transparent 1px 64px),
      linear-gradient(180deg, #08211C 0%, #04110E 100%);
  }

  .site-header::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 3px;
    height: 100%;
    background: repeating-linear-gradient(180deg, var(--line) 0 12px, transparent 12px 24px);
    opacity: 0.65;
    pointer-events: none;
  }

  .header-grid {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 24px;
    max-width: none;
    min-height: 100%;
    padding: 26px 22px 30px;
  }

  .brand {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .brand__mark {
    width: 66px;
    height: 66px;
    font-size: 19px;
    box-shadow: 5px 5px 0 var(--orange);
  }

  .brand__text { gap: 6px; }

  .brand__name {
    font-size: 1.375rem;
    letter-spacing: -0.01em;
    white-space: normal;
    line-height: 1.15;
  }

  .brand__tagline {
    font-size: 11px;
    white-space: normal;
    color: var(--muted);
  }

  .nav-toggle { display: none; }

  .site-nav {
    position: static;
    flex: 1 1 auto;
    max-height: none;
    overflow: visible;
    padding: 0;
    margin-top: 4px;
    background: transparent;
    border: 0;
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: none;
  }

  .site-nav__list {
    gap: 2px;
    padding-top: 16px;
    border-top: 2px solid var(--line);
  }

  .site-nav__link {
    min-height: 44px;
    padding: 9px 10px;
    font-size: 0.9375rem;
    letter-spacing: 0.01em;
  }

  .nav-actions {
    margin-top: auto;
    padding-top: 18px;
  }

  .nav-actions__cta { font-size: 0.9375rem; }

  .rail-progress {
    position: fixed;
    top: 0;
    right: 0;
    bottom: auto;
    left: auto;
    width: 4px;
    height: 100dvh;
    background: rgba(0, 229, 195, 0.1);
    z-index: 300;
  }

  .rail-progress__bar {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, var(--cyan), var(--orange));
    transform: scaleY(var(--scroll-progress, 0));
    transform-origin: top center;
  }

  body.nav-open { overflow: visible; }
}

/* ---------- 14. Footer ---------- */
.site-footer {
  position: relative;
  margin-top: 56px;
  background:
    repeating-linear-gradient(90deg, rgba(0, 229, 195, 0.05) 0 1px, transparent 1px 72px),
    var(--ink-deep);
  border-top: 4px solid var(--line);
  color: var(--cream);
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  padding: 36px 20px 26px;
  border-bottom: 2px dashed var(--line);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
}

.footer-brand__mark {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 56px;
  height: 56px;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--on-accent);
  background: var(--cyan);
  border: 2px solid var(--on-accent);
  box-shadow: 5px 5px 0 var(--orange);
}

.footer-brand__line {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.125rem, 2.4vw, 1.5rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  max-width: 30ch;
}

.footer-note {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--muted);
  max-width: 34ch;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding: 32px 20px 36px;
}

@media (min-width: 640px) {
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-col--contact { grid-column: 1 / -1; }
}

@media (min-width: 1024px) {
  .footer-top { padding: 44px 32px 30px; }
  .footer-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 36px;
    padding: 36px 32px 44px;
  }
  .footer-col--contact { grid-column: auto; }
}

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

.footer-col__title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 12px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer-link {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 6px 0 6px 0;
  font-size: 0.9375rem;
  color: var(--cream);
  border-bottom: 1px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease, padding-left 0.16s ease;
}

.footer-link::before {
  content: "";
  width: 8px;
  height: 2px;
  flex: 0 0 auto;
  background: var(--line);
  transition: background-color 0.16s ease, width 0.16s ease;
}

.footer-link:hover,
.footer-link:focus-visible {
  color: var(--cyan);
  padding-left: 4px;
}

.footer-link:hover::before,
.footer-link:focus-visible::before {
  width: 14px;
  background: var(--cyan);
}

@media (max-width: 767px) {
  .footer-link { min-height: 48px; }
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-contact__row {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(23, 68, 58, 0.9);
}

.footer-contact__row--note {
  border-bottom: 0;
  padding-bottom: 0;
}

.footer-contact__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.footer-contact__val {
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.7;
  letter-spacing: 0.01em;
  color: var(--cream);
  word-break: break-word;
}

.footer-contact__email {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  color: var(--cyan-soft);
}

.footer-contact__row--note .footer-contact__val {
  font-size: 12px;
  color: var(--muted);
}

.copy-email {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  min-width: 64px;
  padding: 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--cream);
  background: rgba(12, 42, 36, 0.9);
  border: 2px dashed var(--caramel);
  cursor: pointer;
  transition: background-color 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}

.copy-email:hover,
.copy-email:focus-visible {
  border-color: var(--orange);
  background: rgba(199, 107, 46, 0.2);
  color: var(--orange);
}

.copy-email[data-copied] {
  color: var(--on-accent);
  background: var(--cyan);
  border-style: solid;
  border-color: var(--cyan);
}

.footer-copy-status {
  min-height: 20px;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  padding: 18px 20px 24px;
  border-top: 2px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

@media (min-width: 1024px) {
  .footer-bottom { padding: 20px 32px 28px; }
}

.footer-bottom__copy { color: var(--cream); }

.footer-icp {
  padding: 3px 10px;
  border: 1px solid var(--line);
  color: var(--muted);
}

.footer-bottom__meta { color: var(--muted); }

/* ---------- 15. Back to top ---------- */
.to-top {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 320;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--on-accent);
  background: var(--cyan);
  border: 2px solid var(--on-accent);
  box-shadow: 5px 5px 0 rgba(255, 138, 61, 0.6);
  cursor: pointer;
  opacity: 0;
  transform: translateY(14px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease, background-color 0.16s ease;
}

.to-top[data-visible] {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.to-top:hover,
.to-top:focus-visible {
  background: var(--orange);
}

@media (min-width: 1024px) {
  .to-top { right: 28px; bottom: 28px; }
}

/* ---------- 16. Reveal ---------- */
html[data-js="on"] [data-reveal]:not(.is-revealed) {
  opacity: 0;
  transform: translateY(16px);
}

html[data-js="on"] [data-reveal] {
  transition: opacity 0.5s ease, transform 0.5s ease;
  will-change: opacity, transform;
}

html[data-js="on"] [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* ---------- 17. Motion preferences ---------- */
@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;
  }

  html[data-js="on"] [data-reveal],
  html[data-js="on"] [data-reveal]:not(.is-revealed) {
    opacity: 1 !important;
    transform: none !important;
  }

  .to-top { transition: none; }
  .rail-progress__bar { transition: none; }
}

/* ---------- 18. Print ---------- */
@media print {
  body { background: #FFFFFF; color: #111111; padding-left: 0; }
  .site-header, .site-footer, .to-top, .rail-progress, .skip-link { display: none !important; }
}