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

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

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

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

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

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

a { color: inherit; }

/* ============ 2. Variables ============ */
:root {
  --ink: #0B2620;
  --ink-deep: #071A16;
  --amber: #D8A84E;
  --amber-light: #F0C878;
  --porcelain: #F3EEE4;
  --warm-gray: #D8D2C4;
  --cinnabar: #B54633;
  --celadon: #7FA89A;
  --black: #101512;

  --line-amber: rgba(216, 168, 78, 0.28);
  --line-amber-strong: rgba(216, 168, 78, 0.55);
  --ink-glass: rgba(7, 26, 22, 0.78);
  --text-dim: rgba(216, 210, 196, 0.68);

  --wrap: 1200px;
  --wrap-narrow: 880px;
  --header-h: 76px;
  --rail-h: 34px;

  --shadow-hard: 6px 6px 0 rgba(7, 26, 22, 0.55);
  --shadow-hard-sm: 4px 4px 0 rgba(7, 26, 22, 0.5);

  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;

  --ease: cubic-bezier(0.2, 0.7, 0.3, 1);
}

/* ============ 3. Base & Chinese typography ============ */
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--ink);
  background-image:
    repeating-linear-gradient(135deg, rgba(216, 168, 78, 0.045) 0 2px, transparent 2px 22px);
  color: var(--porcelain);
  font-family: var(--font-sans);
  font-size: clamp(16px, 0.35vw + 15px, 17px);
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-sans);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: inherit;
  text-wrap: balance;
}

h1 { font-size: clamp(2.25rem, 5.2vw, 4rem); }
h2 { font-size: clamp(1.65rem, 3.2vw, 2.5rem); }
h3 { font-size: clamp(1.15rem, 1.9vw, 1.45rem); }
h4 { font-size: clamp(1.02rem, 1.4vw, 1.15rem); letter-spacing: 0; }

p { text-wrap: pretty; }

strong { font-weight: 800; color: var(--amber-light); }

::selection {
  background: var(--amber);
  color: var(--ink-deep);
}

:focus-visible {
  outline: 3px solid var(--amber-light);
  outline-offset: 3px;
}

/* ============ 4. Layout utilities ============ */
.site-main {
  display: block;
  flex: 1 0 auto;
}

.container {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: clamp(18px, 4vw, 32px);
}

.container--narrow {
  max-width: var(--wrap-narrow);
}

.section {
  padding-block: clamp(48px, 7vw, 88px);
}

.section--tight {
  padding-block: clamp(28px, 4vw, 48px);
}

.grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 28px);
}

.grid--2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

.grid--rail {
  grid-template-columns: minmax(220px, 1fr) minmax(0, 2.4fr);
  gap: clamp(20px, 3vw, 40px);
}

@media (max-width: 860px) {
  .grid--rail { grid-template-columns: 1fr; }
}

.stack > * + * { margin-top: var(--stack-gap, 16px); }

.prose { max-width: 68ch; }
.prose p + p { margin-top: 1em; }
.prose h2, .prose h3 { margin-top: 1.6em; margin-bottom: 0.5em; }
.prose ul, .prose ol { margin-top: 0.8em; padding-left: 1.2em; }
.prose ul { list-style: square; }
.prose li + li { margin-top: 0.35em; }
.prose a { color: var(--amber-light); text-decoration: underline; text-underline-offset: 3px; }

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.28em;
  color: var(--celadon);
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 26px;
  height: 2px;
  background: var(--amber);
}

.eyebrow--light { color: rgba(16, 21, 18, 0.62); }
.eyebrow--light::before { background: var(--cinnabar); }

/* ============ 5. Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 20px;
  border: 2px solid transparent;
  border-radius: 0;
  background: transparent;
  color: var(--porcelain);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 0.16s var(--ease),
    background-color 0.16s var(--ease),
    color 0.16s var(--ease),
    border-color 0.16s var(--ease),
    box-shadow 0.16s var(--ease);
}

.btn:hover { transform: translate(-2px, -2px); }
.btn:active { transform: translate(0, 0); }

.btn--gold {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink-deep);
  box-shadow: var(--shadow-hard-sm);
}

.btn--gold:hover {
  background: var(--amber-light);
  border-color: var(--amber-light);
  box-shadow: 6px 6px 0 rgba(7, 26, 22, 0.6);
}

.btn--line {
  border-color: var(--line-amber-strong);
  background: rgba(216, 168, 78, 0.05);
  color: var(--amber-light);
}

.btn--line:hover {
  background: var(--amber-light);
  border-color: var(--amber-light);
  color: var(--ink-deep);
  box-shadow: var(--shadow-hard-sm);
}

.btn--sm { padding: 10px 14px; font-size: 13px; }
.btn--block { display: flex; width: 100%; }

/* ============ 6. Tags & status ============ */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--line-amber-strong);
  background: rgba(216, 168, 78, 0.08);
  color: var(--amber-light);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.5;
}

.tag--cinnabar {
  border-color: rgba(181, 70, 51, 0.62);
  background: rgba(181, 70, 51, 0.16);
  color: #E9A896;
}

.tag--celadon {
  border-color: rgba(127, 168, 154, 0.5);
  background: rgba(127, 168, 154, 0.1);
  color: #A8C7BC;
}

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  flex: none;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(216, 168, 78, 0.18);
  animation: status-pulse 2.8s ease-in-out infinite;
}

@keyframes status-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.82); }
}

/* ============ 7. Panels ============ */
.panel {
  padding: clamp(20px, 3vw, 32px);
  background: var(--ink-deep);
  border: 2px solid var(--line-amber);
  box-shadow: var(--shadow-hard);
}

.panel--light {
  background: var(--porcelain);
  border-color: var(--warm-gray);
  color: var(--black);
  box-shadow: 6px 6px 0 rgba(7, 26, 22, 0.35);
}

.panel--amber {
  background: var(--amber);
  border-color: var(--ink-deep);
  color: var(--ink-deep);
  box-shadow: 6px 6px 0 rgba(7, 26, 22, 0.6);
}

.panel--light .panel-head,
.panel--amber .panel-head {
  border-bottom-color: rgba(16, 21, 18, 0.18);
}

.panel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 18px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-amber);
}

.panel-title {
  margin: 0;
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 900;
  letter-spacing: -0.01em;
}

.panel-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--celadon);
}

.panel--light .panel-meta { color: rgba(16, 21, 18, 0.55); }

/* ============ 8. Desk strip (横向桌面条) ============ */
.desk-strip {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  border: 2px solid var(--line-amber-strong);
  background: linear-gradient(180deg, rgba(216, 168, 78, 0.09), rgba(216, 168, 78, 0.01));
}

.desk-strip-item {
  padding: 16px 18px;
  border-left: 2px solid var(--line-amber);
  min-width: 0;
}

.desk-strip-item:first-child { border-left: 0; }

.desk-strip-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--celadon);
}

.desk-strip-value {
  display: block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 600;
  color: var(--amber-light);
  line-height: 1.2;
}

@media (max-width: 720px) {
  .desk-strip { grid-auto-flow: row; grid-auto-columns: auto; }
  .desk-strip-item { border-left: 0; border-top: 2px solid var(--line-amber); }
  .desk-strip-item:first-child { border-top: 0; }
}

/* ============ 9. Breadcrumb ============ */
.breadcrumb {
  margin-block: clamp(16px, 2.4vw, 26px) 0;
  font-size: 13px;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
}

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

.breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  font-family: var(--font-mono);
  color: rgba(216, 168, 78, 0.55);
}

.breadcrumb-link {
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.breadcrumb-link:hover,
.breadcrumb-link:focus-visible {
  color: var(--amber-light);
  border-bottom-color: var(--amber);
}

/* ============ 10. Media frames ============ */
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 2px solid var(--line-amber-strong);
  background: var(--ink-deep);
  box-shadow: var(--shadow-hard);
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.05);
}

.media-frame figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 9px 14px;
  border-top: 1px solid var(--line-amber);
  background: var(--ink-glass);
  color: var(--warm-gray);
  font-size: 12px;
  letter-spacing: 0.12em;
}

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

.media-frame--empty {
  display: grid;
  place-items: center;
  background-image:
    repeating-linear-gradient(135deg, rgba(216, 168, 78, 0.1) 0 2px, transparent 2px 18px);
}

.media-frame--empty::after {
  content: "图 片 位";
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.4em;
  color: rgba(216, 168, 78, 0.6);
}

/* ============ 11. Skip link ============ */
.skip-link {
  position: absolute;
  left: 12px;
  top: -80px;
  z-index: 400;
  padding: 12px 18px;
  border: 2px solid var(--ink-deep);
  background: var(--amber);
  color: var(--ink-deep);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: top 0.18s var(--ease);
}

.skip-link:focus {
  top: 12px;
}

/* ============ 12. Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: linear-gradient(180deg, rgba(7, 26, 22, 0.88) 0%, rgba(7, 26, 22, 0.28) 72%, rgba(7, 26, 22, 0) 100%);
  border-bottom: 1px solid transparent;
  color: var(--porcelain);
  transition:
    background-color 0.28s var(--ease),
    border-color 0.28s var(--ease),
    box-shadow 0.28s var(--ease);
}

.site-header[data-scrolled="true"] {
  background: var(--ink-deep);
  border-bottom: 2px solid rgba(216, 168, 78, 0.42);
  box-shadow: 0 6px 0 -3px rgba(0, 0, 0, 0.45);
}

.header-rail {
  border-bottom: 1px solid rgba(216, 168, 78, 0.16);
  background: rgba(7, 26, 22, 0.5);
}

.header-rail-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  max-width: var(--wrap);
  min-height: var(--rail-h);
  margin-inline: auto;
  padding-inline: clamp(18px, 4vw, 32px);
}

.header-status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(216, 210, 196, 0.82);
}

.header-tagline {
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--celadon);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 26px);
  width: 100%;
  max-width: var(--wrap);
  min-height: var(--header-h);
  margin-inline: auto;
  padding: 10px clamp(18px, 4vw, 32px);
}

/* Brand */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: none;
  text-decoration: none;
  color: var(--porcelain);
}

.brand-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 2px solid var(--amber);
  background: linear-gradient(135deg, rgba(216, 168, 78, 0.22) 0 49%, transparent 49% 100%);
  color: var(--amber-light);
  transition: background-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.brand-mark::after {
  content: "";
  position: absolute;
  right: -2px;
  bottom: -2px;
  width: 12px;
  height: 12px;
  background: var(--cinnabar);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
}

.brand-mark-glyph {
  font-size: 19px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0;
}

.brand:hover .brand-mark { transform: rotate(-3deg); }

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-name {
  font-size: 19px;
  font-weight: 900;
  letter-spacing: 0.06em;
  line-height: 1.1;
  color: var(--porcelain);
}

.brand-descriptor {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--celadon);
  line-height: 1.2;
}

/* Nav */
.site-nav {
  margin-left: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: nowrap;
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: 9px 11px;
  font-size: clamp(13px, 1.05vw, 14px);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: rgba(243, 238, 228, 0.8);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 11px;
  right: 11px;
  bottom: 4px;
  height: 2px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.22s var(--ease);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--porcelain);
  background: rgba(216, 168, 78, 0.07);
}

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

.nav-link[aria-current="page"] {
  color: var(--amber-light);
  font-weight: 800;
  background: rgba(216, 168, 78, 0.1);
}

.nav-link[aria-current="page"]::after {
  height: 3px;
  transform: scaleX(1);
  background: var(--amber-light);
}

.nav-foot { display: none; }

/* Header actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: none;
  margin-left: 6px;
}

/* Toggle */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 2px solid var(--line-amber-strong);
  background: rgba(216, 168, 78, 0.06);
  color: var(--amber-light);
  cursor: pointer;
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.nav-toggle:hover {
  background: rgba(216, 168, 78, 0.16);
  border-color: var(--amber);
}

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

.nav-toggle-bars span {
  display: block;
  height: 2px;
  background: currentColor;
  transition: transform 0.22s var(--ease), opacity 0.18s var(--ease);
}

.site-header[data-open="true"] .nav-toggle-bars span:nth-child(1) {
  transform: translateY(6px) 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(-6px) rotate(-45deg);
}

.nav-toggle-label {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

/* Scroll meter */
.scroll-meter {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 3px;
  pointer-events: none;
}

.scroll-meter-fill {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--amber) 0%, var(--amber-light) 100%);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.1s linear;
}

/* ============ 13. Footer ============ */
.site-footer {
  margin-top: clamp(48px, 7vw, 96px);
  background: var(--ink-deep);
  border-top: 3px solid var(--amber);
  box-shadow: 0 -10px 0 -6px rgba(0, 0, 0, 0.35);
  color: var(--warm-gray);
}

.footer-inner {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: clamp(36px, 5vw, 64px) clamp(18px, 4vw, 32px) 26px;
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(0, 0.95fr);
  gap: clamp(20px, 3vw, 48px);
  padding-bottom: clamp(24px, 3vw, 36px);
  border-bottom: 1px solid rgba(216, 168, 78, 0.22);
}

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

.footer-brand-name {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1.1;
  color: var(--porcelain);
}

.footer-brand-sub {
  padding: 3px 8px;
  border: 1px solid rgba(127, 168, 154, 0.42);
  color: var(--celadon);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.24em;
}

.footer-summary {
  margin-top: 14px;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(216, 210, 196, 0.78);
}

.footer-badge {
  align-self: start;
  padding: 16px 18px;
  border: 2px solid var(--line-amber-strong);
  background: linear-gradient(135deg, rgba(216, 168, 78, 0.12), rgba(216, 168, 78, 0) 62%);
  box-shadow: var(--shadow-hard-sm);
}

.footer-badge-label {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--celadon);
}

.footer-badge-value {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 16px;
  letter-spacing: 0.04em;
  color: var(--amber-light);
}

.footer-badge-note {
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.7;
  color: rgba(216, 210, 196, 0.58);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) minmax(0, 1.6fr);
  gap: clamp(20px, 3vw, 40px);
  padding-block: clamp(28px, 3.6vw, 44px);
  border-bottom: 1px solid rgba(216, 168, 78, 0.22);
}

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

.footer-col-title {
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(216, 168, 78, 0.24);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.24em;
  color: var(--amber);
}

.footer-links {
  display: grid;
  gap: 8px;
}

.footer-link {
  display: inline-block;
  padding: 2px 0;
  border-bottom: 1px solid transparent;
  color: rgba(232, 228, 218, 0.82);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.footer-link:hover,
.footer-link:focus-visible {
  color: var(--amber-light);
  border-bottom-color: var(--amber);
  transform: translateX(2px);
}

/* Contact */
.contact-list {
  display: grid;
  gap: 10px;
}

.contact-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border: 1px solid rgba(216, 168, 78, 0.2);
  background: rgba(243, 238, 228, 0.02);
}

.contact-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--celadon);
  white-space: nowrap;
}

.contact-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  line-height: 1.6;
  color: var(--porcelain);
  overflow-wrap: anywhere;
}

.copy-btn {
  padding: 5px 9px;
  border: 1px solid var(--line-amber-strong);
  background: transparent;
  color: var(--amber-light);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.4;
  cursor: pointer;
  transition: background-color 0.16s var(--ease), color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.copy-btn:hover {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink-deep);
}

.copy-btn[data-copied="true"] {
  background: var(--celadon);
  border-color: var(--celadon);
  color: var(--ink-deep);
}

/* Footer bottom */
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 22px;
  padding-top: 22px;
  font-size: 12px;
}

.footer-legal,
.footer-copyright {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  color: rgba(216, 210, 196, 0.74);
}

.footer-note {
  flex-basis: 100%;
  max-width: 62ch;
  font-size: 12px;
  line-height: 1.7;
  color: rgba(216, 210, 196, 0.5);
}

/* ============ 14. Responsive ============ */
@media (max-width: 1080px) {
  .header-rail { display: none; }

  .header-actions { display: none; }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    margin-left: 0;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    padding: 14px clamp(18px, 4vw, 32px) 22px;
    background: var(--ink-deep);
    border-top: 2px solid rgba(216, 168, 78, 0.35);
    border-bottom: 2px solid rgba(216, 168, 78, 0.35);
    box-shadow: 0 14px 0 -8px rgba(0, 0, 0, 0.45);
  }

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

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

  .nav-item { border-bottom: 1px solid rgba(216, 168, 78, 0.16); }

  .nav-link {
    display: block;
    padding: 15px 4px;
    font-size: 16px;
  }

  .nav-link::after {
    left: 4px;
    right: auto;
    bottom: 10px;
    width: 22px;
  }

  .nav-foot {
    display: grid;
    gap: 10px;
    margin-top: 18px;
  }

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

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

@media (max-width: 860px) {
  .footer-top { grid-template-columns: 1fr; }
  .footer-badge { box-shadow: none; }
}

@media (max-width: 560px) {
  :root { --header-h: 66px; }

  .brand-mark { width: 36px; height: 36px; }
  .brand-mark-glyph { font-size: 16px; }
  .brand-name { font-size: 17px; }
  .brand-descriptor { letter-spacing: 0.12em; }

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

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

  .contact-row { grid-template-columns: minmax(0, 1fr) auto; }
  .contact-label { grid-column: 1 / -1; }

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

/* ============ 15. 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;
  }

  .btn:hover,
  .footer-link:hover,
  .brand:hover .brand-mark {
    transform: none;
  }
}