/* ============================================================
   乐鱼体育赛场 — /assets/site.css
   共享外壳 + 通用组件（页面专属布局另配 page.css）
   ============================================================ */

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

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

body, h1, h2, h3, h4, p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
table { width: 100%; border-collapse: collapse; }
[hidden] { display: none !important; }

/* ---------- 2. Tokens ---------- */
:root {
  --sea-900: #061826;
  --sea-800: #0B2638;
  --sea-700: #123A52;
  --cyan: #27E3D2;
  --cyan-pale: #A8FFF7;
  --coral: #FF6A4D;
  --card-red: #E24343;
  --card-yellow: #F4C542;
  --paper: #F3F8FA;
  --slate: #8EA8B8;
  --line: rgba(18, 58, 82, 0.92);
  --line-cyan: rgba(39, 227, 210, 0.34);

  --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  --font-label: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-body: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-num: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;

  --shell-w: 1240px;
  --clip-panel: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
  --clip-btn: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  --clip-tag: polygon(6px 0, 100% 0, 100% 100%, 0 100%, 0 6px);
  --ease: cubic-bezier(0.2, 0.7, 0.3, 1);
}

/* ---------- 3. Base ---------- */
body {
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: #D4E4EC;
  background-color: var(--sea-900);
  background-image:
    radial-gradient(1100px 560px at 82% -12%, rgba(39, 227, 210, 0.13), transparent 62%),
    radial-gradient(820px 460px at 2% 0%, rgba(255, 106, 77, 0.09), transparent 60%),
    repeating-linear-gradient(135deg, rgba(18, 58, 82, 0.22) 0 1px, transparent 1px 13px);
  background-attachment: fixed;
}

@media (min-width: 900px) {
  body { font-size: 17px; }
}

::selection {
  background: var(--cyan);
  color: #04222B;
}

[id],
:target { scroll-margin-top: 132px; }

:where(a, button, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- 4. Layout utilities ---------- */
.shell {
  width: min(var(--shell-w), 100% - 2.2rem);
  margin-inline: auto;
}

@media (min-width: 768px) {
  .shell { width: min(var(--shell-w), 100% - 3.5rem); }
}

.grid { display: grid; gap: clamp(16px, 2.4vw, 30px); }
.grid-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

.col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-12 {
  grid-column: span 12;
  min-width: 0;
}

@media (min-width: 900px) {
  .col-3 { grid-column: span 3; }
  .col-4 { grid-column: span 4; }
  .col-5 { grid-column: span 5; }
  .col-6 { grid-column: span 6; }
  .col-7 { grid-column: span 7; }
  .col-8 { grid-column: span 8; }
  .col-9 { grid-column: span 9; }
  .col-12 { grid-column: span 12; }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.28em;
  color: var(--cyan);
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--coral);
}

.rule-slash {
  height: 6px;
  border: 0;
  background: repeating-linear-gradient(135deg, rgba(39, 227, 210, 0.5) 0 2px, transparent 2px 9px);
}

/* ---------- 5. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 12px 22px;
  font-family: var(--font-label);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1.2;
  border: 1px solid transparent;
  clip-path: var(--clip-btn);
  transition: background 0.22s var(--ease), color 0.22s var(--ease),
              border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

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

.btn-primary { background: var(--coral); color: #160703; }
.btn-primary:hover { background: var(--cyan); color: #04222B; }

.btn-ghost {
  background: transparent;
  border-color: rgba(39, 227, 210, 0.4);
  color: var(--cyan-pale);
}
.btn-ghost:hover { background: rgba(39, 227, 210, 0.12); border-color: var(--cyan); }

.btn-quiet { background: rgba(18, 58, 82, 0.9); color: var(--paper); }
.btn-quiet:hover { background: var(--sea-700); color: var(--cyan-pale); }

/* ---------- 6. Tags / stats / panel / band ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  padding: 4px 10px;
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: #C9DEE8;
  border: 1px solid rgba(142, 168, 184, 0.42);
  background: rgba(18, 58, 82, 0.5);
  clip-path: var(--clip-tag);
}

.tag-cyan { background: var(--cyan); color: #04222B; border-color: var(--cyan); }
.tag-coral { background: var(--coral); color: #1B0600; border-color: var(--coral); }
.tag-yellow { background: var(--card-yellow); color: #2B1F00; border-color: var(--card-yellow); }
.tag-red { background: var(--card-red); color: #FFFFFF; border-color: var(--card-red); }

.stat { display: grid; gap: 6px; align-content: start; }

.stat-num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(26px, 3.2vw, 40px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan-pale);
}

.stat-num.is-coral { color: var(--coral); }

.stat-unit {
  font-size: 0.46em;
  margin-left: 0.25em;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.stat-label {
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--slate);
}

.panel {
  position: relative;
  padding: clamp(16px, 2.2vw, 26px);
  background: linear-gradient(160deg, rgba(18, 58, 82, 0.62), rgba(11, 38, 56, 0.94));
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: var(--clip-panel);
  transition: box-shadow 0.24s var(--ease), transform 0.24s var(--ease);
}

.panel:hover,
.panel:focus-within {
  box-shadow: inset 0 0 0 1px rgba(39, 227, 210, 0.5);
  transform: translateY(-2px);
}

.panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  margin-bottom: 14px;
  border-bottom: 1px dashed var(--line);
}

.panel-title {
  font-family: var(--font-label);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.panel-sub {
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.band {
  position: relative;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 16px;
  padding: 14px clamp(16px, 2.2vw, 26px);
  background: linear-gradient(90deg, rgba(39, 227, 210, 0.16), rgba(255, 106, 77, 0.1) 68%, rgba(11, 38, 56, 0.2));
  border-top: 1px solid rgba(39, 227, 210, 0.28);
  border-bottom: 1px solid rgba(39, 227, 210, 0.16);
  clip-path: polygon(0 0, 100% 0, calc(100% - 26px) 100%, 0 100%);
}

.band-index {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--coral);
}

.band-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 2vw, 22px);
  letter-spacing: 0.02em;
  color: var(--paper);
}

.band-note {
  margin-left: auto;
  font-family: var(--font-label);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--slate);
}

/* ---------- 7. Media containers ---------- */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background-color: var(--sea-700);
  background-image:
    radial-gradient(120% 90% at 78% 10%, rgba(39, 227, 210, 0.22), transparent 60%),
    linear-gradient(135deg, rgba(18, 58, 82, 0.95), rgba(6, 24, 38, 0.95));
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.03);
}

.media::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 40%;
  background: linear-gradient(180deg, transparent, rgba(6, 24, 38, 0.84));
  pointer-events: none;
}

.media-wide { aspect-ratio: 21 / 9; }
.media-tall { aspect-ratio: 3 / 4; }
.media-square { aspect-ratio: 1 / 1; }

.media-caption {
  display: block;
  margin-top: 8px;
  font-family: var(--font-label);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--slate);
}

/* ---------- 8. Breadcrumbs / prose / toc / table ---------- */
.breadcrumbs { padding: clamp(14px, 2vw, 22px) 0 0; }

.crumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-label);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--slate);
}

.crumb-list li { display: inline-flex; align-items: center; gap: 8px; }
.crumb-list li + li::before { content: "/"; color: rgba(39, 227, 210, 0.6); }
.crumb-list a { color: #BBD2DE; transition: color 0.2s var(--ease); }
.crumb-list a:hover { color: var(--cyan-pale); }
.crumb-current { color: var(--cyan); font-weight: 700; }

.prose {
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.78;
  color: #D3E4EC;
}

@media (min-width: 900px) {
  .prose { font-size: 17px; }
}

.prose > * + * { margin-top: 1.05em; }

.prose h2,
.prose h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.36;
  letter-spacing: 0.02em;
  color: var(--paper);
  scroll-margin-top: 132px;
}

.prose h2 { font-size: clamp(22px, 2.8vw, 32px); margin-top: 1.7em; }
.prose h3 { font-size: clamp(18px, 2.2vw, 23px); margin-top: 1.4em; }

.prose ul,
.prose ol { display: grid; gap: 0.5em; padding-left: 1.2em; }

.prose ul { list-style: none; }

.prose ul li { position: relative; padding-left: 1em; }

.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.prose ol { list-style: decimal; padding-left: 1.4em; }

.prose a {
  color: var(--cyan);
  border-bottom: 1px solid rgba(39, 227, 210, 0.45);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.prose a:hover { color: var(--cyan-pale); border-color: var(--cyan-pale); }
.prose strong { color: var(--paper); }

.prose blockquote {
  margin: 1.5em 0;
  padding: 14px 18px;
  border-left: 3px solid var(--coral);
  background: rgba(18, 58, 82, 0.5);
  color: #DCEBF2;
}

.toc { display: grid; gap: 6px; }

.toc-title {
  margin-bottom: 6px;
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--slate);
}

.toc-list { display: grid; gap: 2px; }

.toc-link {
  display: block;
  padding: 8px 12px;
  font-family: var(--font-label);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: #B9CFDA;
  border-left: 2px solid var(--line);
  background: rgba(11, 38, 56, 0.35);
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.toc-link:hover {
  color: var(--cyan-pale);
  border-color: var(--cyan);
  background: rgba(39, 227, 210, 0.07);
}

.toc-link[aria-current="true"] {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(39, 227, 210, 0.12);
}

.table {
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.table caption {
  text-align: left;
  padding-bottom: 8px;
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--slate);
}

.table th,
.table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.table thead th {
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--cyan);
  background: rgba(18, 58, 82, 0.65);
  border-bottom: 1px solid var(--line-cyan);
}

.table tbody tr { transition: background 0.18s var(--ease); }
.table tbody tr:hover { background: rgba(39, 227, 210, 0.06); }

.table-num {
  font-family: var(--font-num);
  text-align: right;
  color: var(--cyan-pale);
}

/* ---------- 9. Header ---------- */
.site-header {
  position: relative;
  z-index: 60;
  background: rgba(6, 24, 38, 0.95);
  border-bottom: 1px solid rgba(39, 227, 210, 0.18);
  transition: box-shadow 0.3s var(--ease);
}

@media (min-width: 900px) {
  .site-header {
    position: sticky;
    top: 0;
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
  }
}

.site-header[data-scrolled="true"] {
  box-shadow: 0 20px 44px -26px rgba(0, 0, 0, 0.95);
}

.skip-link {
  position: absolute;
  left: 50%;
  top: 0;
  z-index: 200;
  padding: 10px 18px;
  font-family: var(--font-label);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #04222B;
  background: var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  transform: translate(-50%, -150%);
  transition: transform 0.22s var(--ease);
}

.skip-link:focus { transform: translate(-50%, 0); }

.masthead {
  position: relative;
  padding: 16px 0 13px;
  border-bottom: 1px solid var(--line);
}

.masthead::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(39, 227, 210, 0.55), rgba(255, 106, 77, 0.45), transparent);
}

.masthead-inner {
  display: grid;
  place-items: center;
  gap: 6px;
  text-align: center;
}

.masthead-kicker {
  font-family: var(--font-label);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.36em;
  color: var(--slate);
}

.masthead-brand {
  display: grid;
  justify-items: center;
  gap: 4px;
}

.masthead-mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(25px, 4.6vw, 42px);
  line-height: 1.1;
  letter-spacing: 0.06em;
  color: var(--paper);
  transition: color 0.25s var(--ease);
}

.masthead-brand:hover .masthead-mark,
.masthead-brand:focus-visible .masthead-mark { color: var(--cyan-pale); }

.masthead-season {
  font-family: var(--font-label);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--cyan);
  transition: color 0.25s var(--ease);
}

.masthead-brand:hover .masthead-season,
.masthead-brand:focus-visible .masthead-season { color: var(--coral); }

.masthead-meta {
  display: none;
  font-family: var(--font-label);
  font-size: 10.5px;
  letter-spacing: 0.22em;
  color: var(--slate);
}

.masthead-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  vertical-align: 1px;
  background: var(--coral);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

@media (min-width: 900px) {
  .masthead { padding: 20px 0 15px; }
  .masthead-meta { display: block; }
}

/* --- primary nav --- */
.nav-wrap {
  position: relative;
  background: rgba(11, 38, 56, 0.92);
  border-bottom: 1px solid var(--line);
}

.nav-shell {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 54px;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(4px, 1.6vw, 26px);
}

.nav-item { position: relative; }

.nav-link {
  position: relative;
  display: inline-block;
  padding: 15px 4px;
  font-family: var(--font-label);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: #B9CFDA;
  transition: color 0.22s var(--ease);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 8px;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.28s var(--ease), background 0.28s var(--ease);
}

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

.nav-link:hover::after,
.nav-link:focus-visible::after { transform: scaleX(1); }

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

.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
  background: linear-gradient(90deg, var(--cyan), var(--coral));
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  font-family: var(--font-label);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--cyan-pale);
  border: 1px solid rgba(39, 227, 210, 0.35);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: background 0.22s var(--ease), border-color 0.22s var(--ease);
}

.nav-toggle:hover { background: rgba(39, 227, 210, 0.12); border-color: var(--cyan); }

.nav-toggle-bars { display: grid; gap: 3px; width: 16px; }

.nav-toggle-bars span {
  display: block;
  height: 2px;
  background: currentColor;
  transition: transform 0.22s var(--ease), opacity 0.22s var(--ease);
}

.site-header[data-open="true"] .nav-toggle-bars span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.site-header[data-open="true"] .nav-toggle-bars span:nth-child(2) { opacity: 0; }
.site-header[data-open="true"] .nav-toggle-bars span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

@media (max-width: 899px) {
  .nav-shell { justify-content: space-between; min-height: 56px; }
  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 90;
    display: none;
    background: rgba(8, 30, 45, 0.99);
    border: 1px solid rgba(18, 58, 82, 0.98);
    border-top: 1px solid rgba(39, 227, 210, 0.32);
    box-shadow: 0 28px 54px rgba(2, 10, 16, 0.88);
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
  }

  .site-header[data-open="true"] .site-nav { display: block; }

  .nav-list { flex-direction: column; gap: 0; padding: 6px 0 12px; }

  .nav-item { border-bottom: 1px solid rgba(18, 58, 82, 0.62); }
  .nav-item:last-child { border-bottom: 0; }

  .nav-link { display: block; padding: 14px 20px; font-size: 14px; letter-spacing: 0.18em; }

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

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

  .nav-link[aria-current="page"] { background: rgba(39, 227, 210, 0.08); }
}

/* --- quick switch bar --- */
.quickbar {
  background: linear-gradient(90deg, rgba(18, 58, 82, 0.95), rgba(11, 38, 56, 0.95));
  border-bottom: 1px solid var(--line);
}

.quickbar-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 0;
}

.quickbar-label {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-label);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.26em;
  color: var(--slate);
}

.quickbar-label::before {
  content: "";
  width: 3px;
  height: 14px;
  background: var(--coral);
  clip-path: polygon(0 0, 100% 0, 100% 72%, 0 100%);
}

.quickbar-list {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  gap: 8px;
  padding: 2px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.quickbar-list::-webkit-scrollbar { height: 4px; }
.quickbar-list::-webkit-scrollbar-thumb { background: rgba(39, 227, 210, 0.35); border-radius: 2px; }

.quickbar-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 6px 12px;
  font-family: var(--font-label);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: #C6DBE5;
  background: rgba(6, 24, 38, 0.5);
  border: 1px solid rgba(18, 58, 82, 0.98);
  clip-path: polygon(7px 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%, 0 7px);
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.quickbar-link:hover,
.quickbar-link:focus-visible {
  color: #04222B;
  background: var(--cyan);
  border-color: var(--cyan);
}

.quickbar-icon {
  font-family: var(--font-num);
  font-size: 10px;
  letter-spacing: 0;
  color: var(--coral);
}

.quickbar-link:hover .quickbar-icon,
.quickbar-link:focus-visible .quickbar-icon { color: #04222B; }

.quickbar-cta {
  display: none;
  flex: none;
  padding-bottom: 2px;
  font-family: var(--font-label);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--coral);
  border-bottom: 1px solid rgba(255, 106, 77, 0.5);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.quickbar-cta:hover { color: var(--cyan-pale); border-color: var(--cyan); }

@media (min-width: 768px) {
  .quickbar-cta { display: inline-block; }
}

/* --- scroll progress rail --- */
.masthead-rail {
  height: 2px;
  overflow: hidden;
  background: rgba(39, 227, 210, 0.12);
}

.masthead-rail-fill {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--cyan-pale) 55%, var(--coral));
  transition: width 0.12s linear;
}

/* ---------- 10. Footer ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 7vw, 96px);
  background: linear-gradient(180deg, rgba(11, 38, 56, 0.97), rgba(6, 24, 38, 1));
  border-top: 1px solid rgba(39, 227, 210, 0.28);
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: repeating-linear-gradient(135deg, rgba(39, 227, 210, 0.55) 0 2px, transparent 2px 10px);
  opacity: 0.45;
}

.footer-top { padding: clamp(30px, 4.6vw, 58px) 0 clamp(24px, 3vw, 40px); }

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 36px);
}

@media (min-width: 640px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 1000px) {
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1.35fr; }
}

.footer-brand { display: grid; align-content: start; gap: 12px; }

.footer-mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.08em;
  color: var(--paper);
}

.footer-line {
  max-width: 30ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--slate);
}

.footer-chip {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 11px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan-pale);
  background: rgba(39, 227, 210, 0.06);
  border: 1px solid rgba(39, 227, 210, 0.32);
  clip-path: polygon(7px 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%, 0 7px);
}

.footer-chip-dot {
  width: 6px;
  height: 6px;
  background: var(--cyan);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.footer-col { display: grid; align-content: start; }

.footer-col-title {
  padding-bottom: 10px;
  margin-bottom: 14px;
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.26em;
  color: var(--cyan);
  border-bottom: 1px solid var(--line);
}

.footer-list { display: grid; gap: 9px; font-size: 14px; }

.footer-list a {
  color: #C4D8E2;
  transition: color 0.2s var(--ease);
}

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

.footer-contact-list { gap: 12px; }
.footer-contact-list li { display: grid; gap: 2px; }

.footer-key {
  font-family: var(--font-label);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--slate);
}

.footer-value {
  font-size: 13.5px;
  line-height: 1.7;
  color: #D6E6EE;
  word-break: break-word;
}

.footer-num { font-family: var(--font-num); letter-spacing: 0.04em; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 22px;
  padding: 18px 0 clamp(20px, 3vw, 30px);
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
  border-top: 1px solid var(--line);
}

.footer-note { flex: 1 1 260px; max-width: 52ch; line-height: 1.8; }

.footer-legal-list { display: flex; flex-wrap: wrap; gap: 6px 18px; }

.footer-legal-list a {
  color: #C4D8E2;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.footer-legal-list a:hover {
  color: var(--cyan-pale);
  border-color: var(--cyan);
}

.footer-copy {
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

/* ---------- 11. Reduced motion ---------- */
@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;
  }

  .panel:hover,
  .panel:focus-within,
  .btn:hover { transform: none; }
}