/* ============================================================
   博奥看台 · 共享样式 /assets/site.css
   00 reset · 01 tokens · 02 base · 03 header · 04 footer
   05 utilities & components · 06 responsive · 07 motion
   ============================================================ */

/* ---------- 00 reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, h4, h5, p, ul, ol, dl, dd, figure, blockquote, pre { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; }
a { color: inherit; }
table { border-collapse: collapse; width: 100%; }
:focus-visible { outline: 2px solid #C25B2A; outline-offset: 3px; }
.site-footer :focus-visible { outline-color: #D9A441; }

/* ---------- 01 tokens ---------- */
:root {
  --ink: #1C2321;
  --ink-soft: #3E5A52;
  --paper: #F4EFE6;
  --paper-lift: #FBF7EF;
  --dusk: #E8DCC8;
  --green: #123B34;
  --green-mid: #3E5A52;
  --night: #0B1F1B;
  --gold: #D9A441;
  --gold-soft: #F0D9A8;
  --poplar: #C25B2A;
  --blue: #5B7C8D;

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

  --rail: 248px;
  --pad: clamp(16px, 3.4vw, 40px);
  --maxw: 1280px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --line: rgba(18, 59, 52, .16);
  --line-soft: rgba(18, 59, 52, .09);
  --line-gold: rgba(217, 164, 65, .42);
  --line-light: rgba(244, 239, 230, .16);
}

/* ---------- 02 base ---------- */
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background-color: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: .16;
  background-image: radial-gradient(rgba(28, 35, 33, .9) .5px, transparent .6px);
  background-size: 3px 3px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: .02em;
  line-height: 1.16;
  color: var(--green);
}

h1 { font-size: clamp(2.4rem, 5vw, 4.4rem); letter-spacing: .03em; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
h3 { font-size: clamp(1.1rem, 1.7vw, 1.32rem); }

p { line-height: 1.68; }
strong { font-weight: 700; color: var(--green); }
small { font-size: 12.5px; }
::selection { background: var(--gold); color: var(--night); }

/* ---------- 03 header ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 300;
  padding: 10px 16px;
  background: var(--gold);
  color: var(--night);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-decoration: none;
  border-radius: 1px;
  transform: translateY(-180%);
  transition: transform .2s var(--ease);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  display: grid;
  grid-template-columns: var(--rail) minmax(0, 1fr);
  grid-template-rows: auto auto;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .24s var(--ease);
}
.site-header[data-scrolled="true"] {
  box-shadow: 0 14px 30px -20px rgba(11, 31, 27, .75);
}
.site-header[data-scrolled="true"] .utility-bar {
  padding-top: 4px;
  padding-bottom: 4px;
}

/* 左轨道 */
.header-rail {
  grid-row: 1 / span 2;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px 18px 18px;
  background: linear-gradient(165deg, var(--green) 0%, var(--night) 100%);
  color: var(--paper);
}
.header-rail::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .5;
  background-image: radial-gradient(rgba(240, 217, 168, .28) .5px, transparent .6px);
  background-size: 3px 3px;
}
.header-rail > * { position: relative; z-index: 1; }

.brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: inherit;
  text-decoration: none;
}
.brand__mark {
  display: block;
  width: 38px;
  height: 4px;
  background: var(--gold);
  transition: width .24s var(--ease);
}
.brand:hover .brand__mark { width: 56px; }
.brand__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 1.7vw, 23px);
  letter-spacing: .18em;
  color: var(--paper);
}
.brand__tag {
  max-width: 15em;
  font-size: 11.5px;
  line-height: 1.55;
  letter-spacing: .04em;
  color: rgba(244, 239, 230, .7);
}

.rail-index {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid rgba(240, 217, 168, .24);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .22em;
  color: var(--gold-soft);
  white-space: nowrap;
}

.rail-scale { display: flex; flex-direction: column; gap: 5px; }
.rail-scale i {
  display: block;
  height: 1px;
  background: rgba(240, 217, 168, .2);
}
.rail-scale i:nth-child(3n) {
  width: 68%;
  background: rgba(217, 164, 65, .75);
}

/* 上层信息条 */
.utility-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
  padding: 6px 22px;
  background: var(--dusk);
  border-bottom: 1px solid rgba(18, 59, 52, .12);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .11em;
  color: var(--green-mid);
  transition: padding .24s var(--ease);
}
.utility__version {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--green);
  font-weight: 700;
  white-space: nowrap;
}
.utility__dot {
  width: 6px;
  height: 6px;
  background: var(--poplar);
  box-shadow: 0 0 0 2px rgba(194, 91, 42, .18);
}
.utility__hours {
  margin: 0;
  color: var(--green-mid);
  white-space: nowrap;
}
.utility__link {
  color: var(--green);
  text-decoration: none;
  padding-bottom: 1px;
  border-bottom: 1px solid rgba(18, 59, 52, .28);
  white-space: nowrap;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}
.utility__link:first-of-type { margin-left: auto; }
.utility__link:hover { color: var(--poplar); border-bottom-color: var(--poplar); }

/* 主栏行 */
.header-main {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  padding: 10px 22px;
  background: var(--paper);
}

.site-nav { min-width: 0; }
.site-nav__list { display: flex; align-items: center; gap: 2px; }
.site-nav__item { position: relative; display: flex; }
.site-nav a {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 8px 11px 9px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .05em;
  color: var(--green);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.site-nav__index {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--blue);
  transition: color .2s var(--ease);
}
.site-nav a:hover {
  background: rgba(217, 164, 65, .18);
  border-bottom-color: var(--gold);
}
.site-nav a:hover .site-nav__index { color: var(--green-mid); }
.site-nav a[aria-current="page"] {
  color: var(--green);
  background: rgba(217, 164, 65, .14);
  border-bottom-color: var(--poplar);
}
.site-nav a[aria-current="page"] .site-nav__index { color: var(--poplar); }

.header-cta {
  flex: none;
  margin-left: auto;
  padding: 9px 26px 9px 18px;
  background: var(--green);
  color: var(--gold-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, calc(100% - 13px) 100%, 0 100%);
  transition: background .2s var(--ease), color .2s var(--ease);
}
.header-cta:hover { background: var(--poplar); color: var(--paper); }

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--green);
  color: var(--gold-soft);
  border: 1px solid rgba(240, 217, 168, .42);
  border-radius: 1px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  cursor: pointer;
  transition: background .2s var(--ease);
}
.nav-toggle:hover { background: var(--green-mid); }
.nav-toggle__bars { display: inline-flex; flex-direction: column; gap: 3px; }
.nav-toggle__bars i {
  display: block;
  width: 15px;
  height: 2px;
  background: currentColor;
  transition: transform .22s var(--ease), opacity .18s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

.read-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  overflow: hidden;
  pointer-events: none;
}
.read-progress__bar {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--gold), var(--poplar));
}

/* ---------- 04 footer ---------- */
.site-footer {
  position: relative;
  overflow: hidden;
  background: var(--night);
  color: rgba(244, 239, 230, .78);
  font-size: 14px;
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .5;
  background-image: radial-gradient(rgba(240, 217, 168, .22) .5px, transparent .6px);
  background-size: 3px 3px;
}
.site-footer > * { position: relative; }

.footer-tally {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  padding-right: 40px;
  background: linear-gradient(100deg, var(--green) 0%, var(--green-mid) 100%);
  color: var(--gold-soft);
  clip-path: polygon(0 0, 100% 0, calc(100% - 42px) 100%, 0 100%);
}
.footer-tally__cell {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-left: 1px solid rgba(240, 217, 168, .16);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
}
.footer-tally__cell:first-child { border-left: 0; }
.footer-tally__cell b {
  font-family: var(--font-display);
  font-size: 13.5px;
  font-weight: 800;
  letter-spacing: .06em;
  color: var(--paper);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr repeat(4, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 44px);
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding: clamp(28px, 4vw, 50px) var(--pad);
}

.footer-brand__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2vw, 26px);
  letter-spacing: .16em;
  color: var(--paper);
}
.footer-brand__line {
  margin-top: 10px;
  max-width: 20em;
  font-size: 12.5px;
  line-height: 1.62;
  color: rgba(240, 217, 168, .82);
}
.footer-brand__note {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: rgba(244, 239, 230, .46);
}

.footer-col__title {
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(240, 217, 168, .2);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 400;
  letter-spacing: .18em;
  color: var(--gold-soft);
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
  font-size: 13.5px;
}
.footer-list a {
  color: rgba(244, 239, 230, .78);
  text-decoration: none;
  transition: color .18s var(--ease);
}
.footer-list a:hover { color: var(--gold); }

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 13px;
}
.footer-contact li { display: flex; flex-direction: column; gap: 2px; }
.footer-contact__k {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  color: var(--blue);
}
.footer-contact__v {
  color: rgba(244, 239, 230, .86);
  line-height: 1.5;
  word-break: break-word;
}

.footer-col__cta {
  display: inline-block;
  margin-top: 16px;
  padding: 8px 16px;
  background: rgba(217, 164, 65, .14);
  border: 1px solid var(--line-gold);
  color: var(--gold-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-decoration: none;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.footer-col__cta:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--night);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 24px;
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding: 16px var(--pad) 26px;
  border-top: 1px solid rgba(240, 217, 168, .16);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: rgba(244, 239, 230, .5);
}
.footer-legal__copy { margin: 0; }
.footer-legal__links { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.footer-legal__links a {
  color: rgba(244, 239, 230, .68);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}
.footer-legal__links a:hover { color: var(--gold); border-bottom-color: var(--line-gold); }
.footer-legal__icp { margin: 0 0 0 auto; color: rgba(244, 239, 230, .62); }
.footer-legal__region {
  flex-basis: 100%;
  margin: 0;
  font-size: 10.5px;
  letter-spacing: .04em;
  color: rgba(91, 124, 141, .95);
}

/* ---------- 05 utilities & components ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.prose {
  font-size: 16.5px;
  line-height: 1.72;
  color: var(--ink);
}
.prose p, .prose li { max-width: 38em; }
.prose p + p { margin-top: 1em; }
.prose h2 {
  margin: 2em 0 .6em;
  padding-top: .7em;
  border-top: 1px solid var(--line);
}
.prose h3 { margin: 1.6em 0 .5em; letter-spacing: .04em; }
.prose ul { display: flex; flex-direction: column; gap: .5em; }
.prose ul li { position: relative; padding-left: 1.4em; }
.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 8px;
  height: 2px;
  background: var(--gold);
}
.prose a {
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}
.prose a:hover { color: var(--poplar); border-bottom-color: var(--poplar); }
.prose blockquote {
  margin: 1.6em 0;
  padding: 14px 18px;
  border-left: 3px solid var(--gold);
  background: var(--dusk);
  font-size: 15px;
  color: var(--ink-soft);
}
.prose blockquote p { max-width: none; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  background: var(--gold);
  color: var(--night);
  border: 1px solid transparent;
  border-radius: 1px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .12em;
  text-decoration: none;
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease), transform .2s var(--ease);
}
.btn:hover { background: var(--poplar); color: var(--paper); }
.btn:active { transform: translateY(1px); }
.btn--ghost {
  background: transparent;
  color: var(--green);
  border-color: var(--line-gold);
}
.btn--ghost:hover { background: rgba(217, 164, 65, .18); color: var(--green); }
.btn--dark { background: var(--green); color: var(--gold-soft); }
.btn--dark:hover { background: var(--night); color: var(--paper); }

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--blue);
}
.breadcrumb ol { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.breadcrumb li { display: flex; align-items: center; gap: 6px; }
.breadcrumb li + li::before { content: "/"; color: rgba(91, 124, 141, .55); }
.breadcrumb a {
  color: var(--green-mid);
  text-decoration: none;
  transition: color .18s var(--ease);
}
.breadcrumb a:hover { color: var(--poplar); }
.breadcrumb [aria-current="page"] { color: var(--ink); }

.grid { display: grid; gap: clamp(14px, 2vw, 24px); }
.grid--12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

.section { padding-block: clamp(32px, 5vw, 64px); }
.section--dusk { background: var(--dusk); }
.section--green { background: var(--green); color: var(--paper); }
.section--green h2, .section--green h3 { color: var(--paper); }
.section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 20px;
  margin-bottom: clamp(18px, 2.6vw, 30px);
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--poplar);
}
.kicker::before { content: ""; width: 26px; height: 2px; background: var(--gold); }

.rule {
  height: 1px;
  margin: 2rem 0;
  border: 0;
  background: linear-gradient(90deg, var(--gold), rgba(217, 164, 65, 0) 72%);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  background: var(--dusk);
  border: 1px solid rgba(18, 59, 52, .14);
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-decoration: none;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}
button.chip { cursor: pointer; }
.chip:hover { border-color: var(--line-gold); }
.chip[data-active="true"] {
  background: var(--green);
  border-color: var(--green);
  color: var(--gold-soft);
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(16px, 2vw, 22px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 2px solid var(--gold);
  transition: transform .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease);
}
.card:hover {
  transform: translateY(-3px);
  border-color: var(--line-gold);
  background: var(--paper-lift);
}
.card__tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  color: var(--poplar);
}
.card__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  line-height: 1.35;
  letter-spacing: .02em;
  color: var(--green);
}
.card__meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--blue);
}

.media {
  position: relative;
  display: block;
  overflow: hidden;
  isolation: isolate;
  background: linear-gradient(150deg, var(--dusk), #CDBFA6);
}
.media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: sepia(.16) saturate(.9) contrast(1.05);
}
.media::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: .35;
  mix-blend-mode: multiply;
  background-image: radial-gradient(rgba(28, 35, 33, .55) .5px, transparent .6px);
  background-size: 3px 3px;
}
.media--wide { aspect-ratio: 16 / 9; }
.media--tall { aspect-ratio: 3 / 4; }
.media--square { aspect-ratio: 1 / 1; }
.media__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 10px 12px;
  background: linear-gradient(0deg, rgba(11, 31, 27, .8), rgba(11, 31, 27, 0));
  color: var(--gold-soft);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .08em;
}

[data-catalog] a {
  display: block;
  padding: 7px 10px;
  border-left: 2px solid transparent;
  color: var(--green-mid);
  font-size: 13px;
  text-decoration: none;
  transition: color .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease);
}
[data-catalog] a:hover { color: var(--green); background: rgba(217, 164, 65, .1); }
[data-catalog] a[data-active="true"] {
  color: var(--green);
  border-left-color: var(--poplar);
  background: rgba(217, 164, 65, .14);
}

.js [data-reveal] {
  transition: opacity .3s var(--ease), transform .3s var(--ease);
}
.js [data-reveal]:not(.is-in) {
  opacity: 0;
  transform: translateY(14px);
}
.js [data-reveal].is-in { opacity: 1; transform: none; }

.to-top {
  position: fixed;
  right: clamp(12px, 2vw, 22px);
  bottom: clamp(12px, 2vw, 22px);
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 15px;
  background: var(--green);
  color: var(--gold-soft);
  border: 1px solid var(--line-gold);
  border-radius: 1px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  cursor: pointer;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity .22s var(--ease), transform .22s var(--ease), background .2s var(--ease), color .2s var(--ease);
}
.to-top[data-show="true"] { opacity: 1; transform: none; pointer-events: auto; }
.to-top:hover { background: var(--night); color: var(--gold); }

/* ---------- 06 responsive ---------- */
@media (max-width: 1120px) {
  :root { --rail: 208px; }
  .site-nav a { padding: 8px 9px 9px; font-size: 13.5px; letter-spacing: .02em; }
  .site-nav__index { display: none; }
  .header-cta { padding: 9px 22px 9px 14px; font-size: 11.5px; }
  .utility-bar { font-size: 10.5px; gap: 12px; }
}

@media (max-width: 1080px) {
  .footer-inner { grid-template-columns: 1fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto;
  }
  .header-rail {
    grid-row: auto;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
  }
  .brand { flex-direction: row; align-items: center; gap: 9px; }
  .brand__mark { width: 18px; height: 18px; background: var(--gold); }
  .brand:hover .brand__mark { width: 18px; }
  .brand__name { font-size: 17px; letter-spacing: .14em; }
  .brand__tag { display: none; }
  .rail-index {
    display: block;
    margin: 0 0 0 auto;
    padding: 4px 8px;
    border-top: 0;
    border: 1px solid rgba(240, 217, 168, .28);
    font-size: 9px;
    letter-spacing: .16em;
  }
  .rail-scale { display: none; }

  .utility-bar { padding: 6px 16px; gap: 10px; }
  .utility__hours { display: none; }
  .utility__link:first-of-type { margin-left: auto; }

  .header-main { flex-wrap: wrap; padding: 9px 16px; gap: 10px; }
  .nav-toggle { display: inline-flex; }
  .header-cta {
    margin-left: auto;
    padding: 8px 20px 8px 12px;
    font-size: 11px;
    letter-spacing: .1em;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 80;
    max-height: min(70vh, 520px);
    overflow-y: auto;
    padding: 6px 0 14px;
    background: rgba(18, 59, 52, .985);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    box-shadow: 0 26px 44px -18px rgba(11, 31, 27, .7);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity .24s var(--ease), transform .24s var(--ease), visibility .24s var(--ease);
  }
  .site-nav[data-open="true"] {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
  }
  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .site-nav__item { display: block; }
  .site-nav a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 13px 18px;
    color: var(--paper);
    font-size: 15px;
    border-bottom: 1px solid rgba(240, 217, 168, .14);
    border-left: 3px solid transparent;
  }
  .site-nav__index {
    display: inline;
    order: 2;
    color: var(--gold-soft);
  }
  .site-nav a:hover {
    background: rgba(240, 217, 168, .1);
    border-bottom-color: rgba(240, 217, 168, .14);
  }
  .site-nav a[aria-current="page"] {
    background: rgba(217, 164, 65, .14);
    border-bottom-color: rgba(240, 217, 168, .14);
    border-left-color: var(--poplar);
    color: var(--gold-soft);
  }

  .grid--12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .footer-tally { clip-path: none; padding-right: 0; grid-template-columns: 1fr 1fr; }
  .footer-legal__icp { margin-left: 0; }
}

@media (max-width: 720px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .grid--12 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .prose { font-size: 16px; }
}

@media (max-width: 560px) {
  .utility-bar { display: none; }
  .grid--12 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-inner { grid-template-columns: 1fr; gap: 26px; }
  .footer-tally { grid-template-columns: 1fr; }
  .footer-tally__cell { border-left: 0; border-top: 1px solid rgba(240, 217, 168, .16); }
  .footer-tally__cell:first-child { border-top: 0; }
  .footer-legal { gap: 8px 16px; font-size: 10.5px; }
  .header-cta { padding: 8px 16px 8px 10px; font-size: 10.5px; }
}

/* ---------- 07 motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .js [data-reveal]:not(.is-in) { opacity: 1; transform: none; }
  .card:hover { transform: none; }
  .to-top { transform: none; }
}