/* ============================================================
   金沙指南 · 共享样式 /assets/site.css
   1. Reset  2. Tokens  3. Base  4. Layout  5. Buttons
   6. Marks  7. Cards  8. Sections  9. Media  10. Header
   11. Footer  12. Utilities  13. Responsive  14. Reduced motion
   ============================================================ */

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

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

body,
h1, h2, h3, h4, h5, h6,
p, ul, ol, li, figure, blockquote, dl, dd, dt, fieldset, legend { margin: 0; }

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

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

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

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

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

:focus-visible {
  outline: 2px solid #C9A227;
  outline-offset: 3px;
  border-radius: 1px;
}

/* ---------- 2. Tokens ---------- */
:root {
  --gold: #C9A227;
  --gold-deep: #A8841A;
  --gold-pale: #E8D9A8;
  --night: #0F1B2D;
  --night-deep: #081221;
  --sky: #1E3350;
  --starlight: #F8F6F0;
  --paper: #EDE6D8;
  --patina: #3E5C4B;
  --dusk: #5D6B7E;
  --clay: #B4553A;

  --line: rgba(93, 107, 126, 0.32);
  --line-soft: rgba(93, 107, 126, 0.18);
  --line-light: rgba(232, 217, 168, 0.22);
  --line-gold: rgba(201, 162, 39, 0.55);

  --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;

  --fs-display: clamp(2.6rem, 6vw, 5.2rem);
  --fs-section: clamp(1.6rem, 3vw, 2.4rem);
  --fs-sub: 1.25rem;
  --fs-body: 1rem;
  --fs-note: 0.875rem;

  --wrap: 1180px;
  --gutter: clamp(18px, 2.2vw, 28px);
  --radius: 2px;
  --ease: 160ms cubic-bezier(0.2, 0.6, 0.3, 1);
}

/* ---------- 3. Base ---------- */
body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: 1.75;
  color: var(--night);
  background-color: var(--starlight);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.32;
  color: inherit;
}

h1 { font-size: var(--fs-display); }
h2 { font-size: var(--fs-section); }
h3 { font-size: var(--fs-sub); line-height: 1.45; }
h4 { font-size: 1.0625rem; line-height: 1.5; }

p { line-height: 1.75; }

small { font-size: var(--fs-note); }

strong, b { font-weight: 500; }

::selection { background: var(--gold-pale); color: var(--night-deep); }

/* ---------- 4. Layout ---------- */
.container {
  width: min(var(--wrap), calc(100% - clamp(28px, 5vw, 64px)));
  margin-inline: auto;
}

.section { padding-block: clamp(40px, 6vw, 88px); }
.section--tight { padding-block: clamp(28px, 4vw, 52px); }
.section--dark { background-color: var(--night); color: var(--starlight); }
.section--deep { background-color: var(--night-deep); color: var(--starlight); }
.section--paper { background-color: var(--paper); }

.grid { display: grid; gap: clamp(16px, 2vw, 24px); }
.grid--bento { grid-template-columns: repeat(12, minmax(0, 1fr)); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--auto { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

.prose { max-width: 68ch; font-size: 1.0625rem; line-height: 1.8; }
.prose > * + * { margin-top: 1.1em; }
.prose ul, .prose ol { padding-left: 1.25em; list-style: disc; }
.prose li + li { margin-top: 0.5em; }

/* ---------- 5. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55em;
  padding: 0.68em 1.35em;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  line-height: 1.3;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color var(--ease), border-color var(--ease),
              color var(--ease), transform var(--ease);
}

.btn--primary {
  background-color: var(--gold);
  border-color: var(--gold);
  color: var(--night-deep);
}
.btn--primary:hover {
  background-color: var(--gold-deep);
  border-color: var(--gold-deep);
}
.btn--primary:active { transform: translateY(1px); }

.btn--ghost {
  background-color: transparent;
  border-color: rgba(15, 27, 45, 0.28);
  color: var(--night);
}
.btn--ghost:hover {
  border-color: var(--gold);
  color: var(--gold-deep);
}

.btn--invert {
  background-color: transparent;
  border-color: var(--line-light);
  color: var(--gold-pale);
}
.btn--invert:hover {
  border-color: var(--gold);
  color: var(--gold);
  background-color: rgba(201, 162, 39, 0.08);
}

.btn--quiet {
  background-color: transparent;
  border-color: transparent;
  color: var(--gold-deep);
  padding-inline: 0;
}
.btn--quiet:hover { color: var(--night); }

/* ---------- 6. Marks ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-deep);
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background-color: currentColor;
  flex: none;
}
.section--dark .eyebrow,
.section--deep .eyebrow,
.site-footer .eyebrow { color: var(--gold); }

.section-title {
  font-family: var(--font-display);
  font-size: var(--fs-section);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.lede {
  max-width: 62ch;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--dusk);
}
.section--dark .lede,
.section--deep .lede { color: rgba(248, 246, 240, 0.78); }

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

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  padding: 0.18em 0.7em;
  font-size: 0.8125rem;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--gold-deep);
  background-color: rgba(232, 217, 168, 0.42);
  border: 1px solid rgba(168, 132, 26, 0.4);
  border-radius: var(--radius);
}
.tag--status { color: var(--patina); background-color: rgba(62, 92, 75, 0.1); border-color: rgba(62, 92, 75, 0.38); }

.rule-gold {
  height: 1px;
  border: 0;
  margin: 0;
  background: linear-gradient(90deg, var(--gold), rgba(201, 162, 39, 0));
}

.breadcrumb { padding-block: 16px 0; }
.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-note);
  color: var(--dusk);
}
.breadcrumb__item { display: flex; align-items: center; gap: 0.5rem; }
.breadcrumb__item + .breadcrumb__item::before {
  content: "／";
  color: rgba(93, 107, 126, 0.55);
}
.breadcrumb__link { transition: color var(--ease); }
.breadcrumb__link:hover { color: var(--gold-deep); }

/* ---------- 7. Cards & panels ---------- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: var(--gutter);
  background-color: var(--starlight);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color var(--ease), transform var(--ease),
              box-shadow var(--ease);
}
.card:hover,
.card:focus-within {
  border-color: var(--gold);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px -18px rgba(15, 27, 45, 0.55);
}
.card__title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.4;
}
.card__meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--dusk);
}

.panel {
  position: relative;
  padding: var(--gutter);
  background-color: var(--starlight);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.panel--dark {
  background-color: var(--sky);
  border-color: var(--line-light);
  color: var(--starlight);
}
.panel--gold { border-color: var(--line-gold); }

.accordion { border-top: 1px solid var(--line); }
.accordion__item { border-bottom: 1px solid var(--line); }
.accordion__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 0;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  transition: color var(--ease);
}
.accordion__summary::-webkit-details-marker { display: none; }
.accordion__summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.125rem;
  line-height: 1;
  color: var(--gold-deep);
  transition: transform var(--ease);
}
.accordion__summary:hover { color: var(--gold-deep); }
.accordion__item[open] > .accordion__summary::after { transform: rotate(45deg); }
.accordion__body { padding: 0 0 18px; color: var(--dusk); }

/* ---------- 8. Media frames ---------- */
.media-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--paper);
  background-image: linear-gradient(180deg, rgba(232, 217, 168, 0.55), rgba(248, 246, 240, 0) 62%);
}
.media-frame > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.86) contrast(1.02);
  transition: transform var(--ease);
}
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 4 / 5; }
.media-frame--square { aspect-ratio: 1 / 1; }

.media-frame--dune {
  background-color: var(--night);
  background-image:
    repeating-radial-gradient(140% 160% at 18% 128%,
      rgba(201, 162, 39, 0) 0 20px,
      rgba(201, 162, 39, 0.22) 20px 21px),
    radial-gradient(120% 140% at 82% -10%, rgba(201, 162, 39, 0.18), transparent 62%);
}
.media-frame--star {
  background-color: var(--night-deep);
  background-image:
    linear-gradient(rgba(232, 217, 168, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 217, 168, 0.16) 1px, transparent 1px),
    radial-gradient(90% 120% at 50% 0%, rgba(30, 51, 80, 0.9), transparent 70%);
  background-size: 56px 56px, 56px 56px, 100% 100%;
}

.media-frame__caption {
  margin-top: 8px;
  font-size: var(--fs-note);
  color: var(--dusk);
}

/* ---------- 10. Header ---------- */
.skip-link {
  position: fixed;
  top: -80px;
  left: 12px;
  z-index: 300;
  padding: 10px 18px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--night-deep);
  background-color: var(--gold);
  border-radius: var(--radius);
  transition: top var(--ease);
}
.skip-link:focus { top: 12px; }

.scroll-progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 2px;
  z-index: 250;
  pointer-events: none;
  background-color: rgba(8, 18, 33, 0.12);
}
.scroll-progress__bar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--gold-deep), var(--gold) 55%, var(--gold-pale));
}

.site-header {
  position: relative;
  z-index: 100;
  color: var(--starlight);
  background-color: var(--night);
  background-image:
    radial-gradient(120% 150% at 16% -30%, rgba(201, 162, 39, 0.22), rgba(201, 162, 39, 0) 58%),
    radial-gradient(100% 130% at 86% -10%, rgba(30, 51, 80, 0.95), rgba(15, 27, 45, 0) 62%);
}

/* 第一层：工具条 */
.header-top {
  border-bottom: 1px solid var(--line-light);
}
.header-top__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(12px, 2vw, 24px);
  min-height: 48px;
  padding-block: 6px;
}
.utility-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: clamp(10px, 2vw, 22px);
  min-width: 0;
}
.utility-list__item { display: flex; }
.utility-link {
  position: relative;
  padding-block: 4px;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: rgba(248, 246, 240, 0.74);
  transition: color var(--ease);
}
.utility-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background-color: currentColor;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--ease);
}
.utility-link:hover,
.utility-link:focus-visible { color: var(--gold-pale); }
.utility-link:hover::after,
.utility-link:focus-visible::after { transform: scaleX(1); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: none;
}

.search-trigger {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 14px;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: rgba(248, 246, 240, 0.88);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  transition: border-color var(--ease), color var(--ease),
              background-color var(--ease);
}
.search-trigger:hover {
  border-color: var(--gold);
  color: var(--gold-pale);
}
.search-trigger[aria-expanded="true"] {
  border-color: var(--gold);
  color: var(--gold);
  background-color: rgba(201, 162, 39, 0.1);
}
.search-trigger__glyph {
  position: relative;
  flex: none;
  width: 11px;
  height: 11px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
}
.search-trigger__glyph::after {
  content: "";
  position: absolute;
  right: -4px;
  bottom: -3px;
  width: 8px;
  height: 1.5px;
  background-color: currentColor;
  transform: rotate(45deg);
  transform-origin: left center;
}
.search-trigger__text { white-space: nowrap; }

.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 7px 12px;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: rgba(248, 246, 240, 0.88);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  transition: border-color var(--ease), color var(--ease);
}
.nav-toggle:hover { border-color: var(--gold); color: var(--gold-pale); }
.nav-toggle[aria-expanded="true"] { border-color: var(--gold); color: var(--gold); }

.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  gap: 3px;
  width: 14px;
  flex: none;
}
.nav-toggle__bars > span {
  display: block;
  height: 1.5px;
  width: 100%;
  background-color: currentColor;
  transition: transform var(--ease), opacity var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars > span:nth-child(1) { transform: translateY(4.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars > span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars > span:nth-child(3) { transform: translateY(-4.5px) rotate(-45deg); }

/* 第二层：刊头 */
.masthead {
  padding-block: clamp(22px, 3.4vw, 38px) clamp(16px, 2.4vw, 26px);
}
.masthead__inner {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
.brand {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
}
.brand__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 4.2vw, 3.1rem);
  line-height: 1.15;
  letter-spacing: 0.14em;
  text-indent: 0.14em;
  color: var(--starlight);
  transition: color var(--ease);
}
.brand:hover .brand__name { color: var(--gold-pale); }
.brand__tagline {
  font-size: 0.8125rem;
  letter-spacing: 0.22em;
  text-indent: 0.22em;
  color: var(--gold);
}
.brand::after {
  content: "";
  width: 56px;
  height: 1px;
  background: linear-gradient(90deg, rgba(201, 162, 39, 0), var(--gold), rgba(201, 162, 39, 0));
}
.masthead__index {
  position: absolute;
  right: 0;
  bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: rgba(248, 246, 240, 0.58);
}
.masthead__index-num { color: var(--gold); }

/* 第三层：栏目带 */
.site-nav {
  position: relative;
  border-top: 1px solid var(--line-light);
}
.site-nav::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg,
    rgba(201, 162, 39, 0) 0%,
    var(--gold) 18%,
    var(--gold-pale) 50%,
    var(--gold) 82%,
    rgba(201, 162, 39, 0) 100%);
}
.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: center;
}
.site-nav__item { display: flex; }
.site-nav__link {
  position: relative;
  display: flex;
  align-items: center;
  padding: 14px clamp(10px, 1.8vw, 26px) 15px;
  font-size: 0.9375rem;
  letter-spacing: 0.08em;
  color: rgba(248, 246, 240, 0.82);
  transition: color var(--ease), background-color var(--ease);
}
.site-nav__link::before {
  content: "";
  position: absolute;
  left: clamp(10px, 1.8vw, 26px);
  right: clamp(10px, 1.8vw, 26px);
  bottom: 9px;
  height: 1px;
  background-color: var(--gold-deep);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--ease);
}
.site-nav__link:hover { color: var(--starlight); }
.site-nav__link:hover::before,
.site-nav__link:focus-visible::before { transform: scaleX(1); }
.site-nav__link[aria-current="page"] {
  color: var(--gold);
  background-color: rgba(201, 162, 39, 0.07);
}
.site-nav__link[aria-current="page"]::before {
  transform: scaleX(1);
  background-color: var(--gold);
}

/* 检索抽屉 */
.search-panel {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 90;
  padding-block: clamp(18px, 2.6vw, 28px);
  background-color: var(--night-deep);
  border-bottom: 2px solid var(--gold);
  box-shadow: 0 22px 44px -24px rgba(0, 0, 0, 0.7);
}
.search-panel[hidden] { display: none; }
.search-panel__label {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--gold-pale);
}
.search-panel__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.search-chip {
  display: inline-block;
  padding: 8px 16px;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  color: rgba(248, 246, 240, 0.86);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  transition: border-color var(--ease), color var(--ease),
              background-color var(--ease);
}
.search-chip:hover,
.search-chip:focus-visible {
  border-color: var(--gold);
  color: var(--gold);
  background-color: rgba(201, 162, 39, 0.08);
}

/* ---------- 11. Footer ---------- */
.site-footer {
  position: relative;
  color: rgba(248, 246, 240, 0.78);
  background-color: var(--night);
  border-top: 2px solid var(--gold);
}

.footer-top { padding-block: clamp(40px, 5vw, 64px); }
.footer-top__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.9fr);
  gap: clamp(28px, 4vw, 64px);
  align-items: start;
}

.footer-brand__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.12em;
  color: var(--starlight);
}
.footer-brand__tagline {
  margin-top: 8px;
  font-size: 0.8125rem;
  letter-spacing: 0.2em;
  color: var(--gold);
}
.footer-brand__note {
  margin-top: 16px;
  max-width: 36ch;
  font-size: 0.875rem;
  line-height: 1.75;
  color: rgba(248, 246, 240, 0.62);
}
.footer-brand .btn { margin-top: 22px; }

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 40px);
}
.footer-col__title {
  margin-bottom: 14px;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--gold-pale);
}
.footer-col__list {
  display: flex;
  flex-direction: column;
  gap: 11px;
}
.footer-link {
  position: relative;
  display: inline-block;
  padding-bottom: 2px;
  font-size: 0.9375rem;
  color: rgba(248, 246, 240, 0.78);
  transition: color var(--ease);
}
.footer-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background-color: currentColor;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--ease);
}
.footer-link:hover,
.footer-link:focus-visible { color: var(--gold); }
.footer-link:hover::after,
.footer-link:focus-visible::after { transform: scaleX(1); }

.footer-contact {
  background-color: var(--sky);
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid rgba(8, 18, 33, 0.7);
}
.footer-contact__inner {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 40px);
  padding-block: clamp(22px, 3vw, 32px);
}
.footer-contact__block { min-width: 0; }
.footer-contact__label {
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  color: var(--gold-pale);
}
.footer-contact__value {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--starlight);
  overflow-wrap: anywhere;
}

.footer-bottom { background-color: var(--night-deep); }
.footer-bottom__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  padding-block: 18px;
  font-size: 0.8125rem;
  color: rgba(248, 246, 240, 0.58);
}
.footer-icp {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: rgba(248, 246, 240, 0.74);
}
.footer-note { max-width: 54ch; }
.footer-copy { font-family: var(--font-mono); letter-spacing: 0.04em; }

/* ---------- 12. Utilities ---------- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.stack > * + * { margin-top: clamp(12px, 1.6vw, 20px); }
.split {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.text-gold { color: var(--gold-deep); }
.text-dusk { color: var(--dusk); }

/* ---------- 13. Responsive ---------- */
@media (max-width: 1099px) {
  .site-nav__link { padding-inline: clamp(9px, 1.4vw, 18px); }
  .site-nav__link::before { left: clamp(9px, 1.4vw, 18px); right: clamp(9px, 1.4vw, 18px); }
}

@media (max-width: 899px) {
  .nav-toggle { display: inline-flex; }

  .site-nav {
    display: none;
    background-color: var(--night-deep);
    border-top: 1px solid var(--line-light);
  }
  .site-nav[data-open] { display: block; }
  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
  }
  .site-nav__item { width: 100%; }
  .site-nav__link {
    padding: 15px clamp(16px, 4vw, 24px);
    font-size: 1rem;
    border-bottom: 1px solid rgba(232, 217, 168, 0.1);
  }
  .site-nav__link::before { display: none; }
  .site-nav__link[aria-current="page"] {
    color: var(--gold);
    background-color: rgba(201, 162, 39, 0.08);
    box-shadow: inset 3px 0 0 var(--gold);
  }
  .site-nav::after { background: var(--gold); }

  .masthead__index { display: none; }

  .footer-top__inner { grid-template-columns: minmax(0, 1fr); }
  .footer-brand__note { max-width: none; }
}

@media (max-width: 767px) {
  .footer-contact__inner { grid-template-columns: minmax(0, 1fr); }
  .grid--2,
  .grid--3 { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 599px) {
  .search-trigger__text { display: none; }
  .search-trigger { padding: 8px 11px; }
  .header-top__inner { min-height: 44px; }
  .utility-list { gap: 12px; }
  .utility-link { font-size: 0.75rem; letter-spacing: 0.02em; }
  .brand__name { letter-spacing: 0.1em; text-indent: 0.1em; }
  .brand__tagline { letter-spacing: 0.16em; text-indent: 0.16em; }
  .footer-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-bottom__inner { flex-direction: column; align-items: flex-start; }
}

/* ---------- 14. 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;
  }
  .card:hover,
  .card:focus-within { transform: none; }
  .btn--primary:active { transform: none; }
}