/* ===== reset ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
table{border-collapse:collapse;width:100%}

/* ===== tokens ===== */
:root{
  --wine:#4A0E1E;
  --wine-deep:#2B0711;
  --ink:#12100F;
  --gold:#C9A227;
  --gold-light:#E8CF8A;
  --porcelain:#F6F1E7;
  --paper:#FFFDF8;
  --teal:#5E7473;
  --amber:#C77B3A;
  --gold-muted:#8C7A5B;
  --teal-deep:#2E3B3A;
  --line:rgba(140,122,91,.28);
  --line-soft:rgba(140,122,91,.16);
  --font-serif:"Noto Serif SC","Songti SC","STSong","SimSun",Georgia,serif;
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"IBM Plex Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --header-h:68px;
  --ease:cubic-bezier(.3,.7,.3,1);
}

/* ===== base typography ===== */
html{background:var(--porcelain)}
body{
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.8;
  color:var(--ink);
  background:var(--porcelain);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
@media (max-width:719px){body{font-size:16px}}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;letter-spacing:.02em;line-height:1.2;color:var(--wine)}
h1{font-size:clamp(2.75rem,6vw,4.5rem);line-height:1.12}
h2{font-size:clamp(2rem,4vw,2.75rem)}
h3{font-size:1.5rem;line-height:1.32}
h4{font-size:1.125rem;line-height:1.4}
p{letter-spacing:.005em}
::selection{background:rgba(201,162,39,.32);color:var(--ink)}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:1px}
body.nav-open{overflow:hidden}

/* ===== utilities ===== */
.container{width:100%;max-width:1200px;margin-inline:auto;padding-inline:clamp(18px,4vw,40px)}
.container--narrow{max-width:820px}
.mono,.site-footer__mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.stack>*+*{margin-top:var(--stack-gap,1.25rem)}
.grid{display:grid;gap:clamp(18px,2.5vw,32px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--aside{display:grid;gap:clamp(24px,4vw,52px);grid-template-columns:minmax(0,1fr) 236px}
@media (max-width:899px){
  .grid--2,.grid--3{grid-template-columns:minmax(0,1fr)}
  .grid--aside{grid-template-columns:minmax(0,1fr)}
  .grid--aside>*:last-child{order:-1}
}
.prose{max-width:68ch;font-size:1.0625rem;line-height:1.85;color:rgba(18,16,15,.86)}
.prose>*+*{margin-top:1.1em}
.prose h2{font-size:clamp(1.5rem,2.4vw,1.875rem);margin-top:2.1em}
.prose h3{margin-top:1.6em}
.prose ul,.prose ol{list-style:disc;padding-left:1.35em;display:grid;gap:.4em}
.prose ol{list-style:decimal}
.prose a{color:var(--wine);border-bottom:1px solid rgba(201,162,39,.6);padding-bottom:1px}
.prose a:hover{color:var(--gold)}
.prose strong{font-weight:700;color:var(--wine)}

/* ===== skip link ===== */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:300;
  padding:.7rem 1.1rem;min-height:44px;display:inline-flex;align-items:center;
  background:var(--gold);color:var(--wine-deep);
  font-size:.875rem;letter-spacing:.06em;
  border-radius:2px;box-shadow:0 10px 24px -14px rgba(0,0,0,.8);
  transform:translateY(-160%);transition:transform .2s var(--ease);
}
.skip-link:focus{transform:none}

/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:linear-gradient(180deg,rgba(43,7,17,.95) 0%,rgba(43,7,17,.74) 62%,rgba(43,7,17,.5) 100%);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(232,207,138,.16);
  transition:background .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(43,7,17,.985);
  border-bottom-color:rgba(201,162,39,.5);
  box-shadow:0 18px 34px -28px rgba(0,0,0,.95);
}
.site-header__inner{
  width:100%;max-width:1240px;margin-inline:auto;
  padding:clamp(9px,1.3vw,15px) clamp(16px,3vw,36px);
  display:flex;align-items:center;gap:clamp(14px,2.2vw,32px);
}
.brand{display:inline-flex;align-items:center;gap:.7rem;flex:0 0 auto;min-height:44px}
.brand__mark{
  position:relative;width:36px;height:36px;display:grid;place-items:center;
  border:1px solid var(--gold);color:var(--gold);
  font-family:var(--font-mono);font-size:.9375rem;letter-spacing:.02em;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.brand__mark::after{content:"";position:absolute;inset:4px;border:1px solid rgba(201,162,39,.36);pointer-events:none}
.brand:hover .brand__mark{color:var(--gold-light);border-color:var(--gold-light)}
.brand__text{display:flex;flex-direction:column;line-height:1.18;gap:.15rem}
.brand__name{font-family:var(--font-serif);font-size:1.0625rem;letter-spacing:.16em;color:var(--porcelain)}
.brand__meta{font-family:var(--font-mono);font-size:.625rem;letter-spacing:.14em;color:rgba(232,207,138,.72)}
.brand__meta b{color:var(--gold);font-weight:700}
.site-header__actions{position:relative;z-index:3;display:flex;align-items:center;gap:.5rem;margin-left:auto}
.site-nav{margin-left:auto;z-index:1}
.site-nav__list{display:flex;align-items:center;gap:clamp(2px,1vw,16px)}
.site-nav__link{
  display:flex;align-items:center;gap:.4rem;min-height:44px;
  padding:.5rem .4rem;font-size:.875rem;letter-spacing:.06em;
  color:rgba(246,241,231,.8);border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.site-nav__link:hover{color:var(--gold-light);border-bottom-color:rgba(201,162,39,.65)}
.site-nav__link[aria-current="page"]{color:var(--gold);border-bottom-color:var(--gold)}
.site-nav__index,.site-nav__note,.site-nav__foot{display:none}
.site-header__cta{min-height:44px;padding:.45rem 1rem;font-size:.8125rem}
.nav-toggle{display:none}
.scroll-meter{position:absolute;left:0;right:0;bottom:-1px;height:2px;background:rgba(232,207,138,.12);overflow:hidden}
.scroll-meter__fill{
  display:block;height:100%;width:100%;transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--gold),var(--gold-light));
  transition:transform .1s linear;
}
.nav-scrim{position:fixed;inset:0;z-index:90;background:rgba(18,16,15,.62);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}
.nav-scrim[hidden]{display:none}
@media (max-width:959px){
  .site-header{-webkit-backdrop-filter:none;backdrop-filter:none;background:rgba(43,7,17,.97)}
  .site-header__cta{display:none}
  .nav-toggle{
    display:inline-flex;align-items:center;gap:.55rem;min-height:44px;
    padding:.45rem .75rem;cursor:pointer;
    border:1px solid rgba(232,207,138,.42);border-radius:2px;
    color:var(--gold-light);font-size:.6875rem;letter-spacing:.16em;
    transition:border-color .2s var(--ease),color .2s var(--ease);
  }
  .nav-toggle:hover{border-color:var(--gold);color:var(--gold)}
  .nav-toggle__bars{display:grid;gap:3px;width:16px}
  .nav-toggle__bars span{display:block;height:1px;background:currentColor;transition:transform .2s var(--ease),opacity .2s var(--ease)}
  .nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(4px) 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(-4px) rotate(-45deg)}
  .site-nav{
    position:fixed;top:0;right:0;bottom:auto;left:auto;
    width:min(86vw,382px);height:100vh;height:100dvh;
    margin:0;padding:calc(76px + env(safe-area-inset-top)) 24px 36px;
    overflow-y:auto;
    background:linear-gradient(168deg,#2B0711 0%,#4A0E1E 58%,#340914 100%);
    border-left:1px solid rgba(201,162,39,.42);
    box-shadow:-34px 0 64px -34px rgba(0,0,0,.9);
    transform:translateX(101%);visibility:hidden;
    transition:transform .28s var(--ease),visibility .28s var(--ease);
  }
  .site-nav[data-open="true"]{transform:none;visibility:visible}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .site-nav__item{border-bottom:1px solid rgba(232,207,138,.13)}
  .site-nav__link{
    display:grid;grid-template-columns:2.4rem minmax(0,1fr);grid-template-rows:auto auto;
    align-items:start;gap:.15rem .5rem;padding:1rem .2rem;
    border-bottom:0;color:var(--porcelain);
  }
  .site-nav__link:hover{border-bottom-color:transparent;color:var(--porcelain)}
  .site-nav__index{display:block;grid-row:1 / span 2;padding-top:.28rem;font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.12em;color:var(--gold)}
  .site-nav__label{font-family:var(--font-serif);font-size:1.0625rem;letter-spacing:.1em;line-height:1.4}
  .site-nav__note{display:block;font-size:.75rem;line-height:1.6;letter-spacing:.02em;color:rgba(246,241,231,.58)}
  .site-nav__link[aria-current="page"] .site-nav__label{color:var(--gold)}
  .site-nav__foot{display:grid;gap:.6rem;margin-top:1.6rem}
}

/* ===== footer ===== */
.site-footer{
  position:relative;margin:0;
  background:radial-gradient(120% 130% at 88% 0%,#3B0A17 0%,#2B0711 62%);
  color:rgba(246,241,231,.76);
  border-top:1px solid rgba(201,162,39,.52);
}
.site-footer__inner{
  max-width:1240px;margin-inline:auto;
  padding:clamp(42px,6vw,74px) clamp(18px,4vw,40px) clamp(26px,3vw,38px);
  display:grid;gap:clamp(28px,4vw,54px);
  grid-template-columns:1.4fr .9fr 1.5fr;
}
.site-footer__col{min-width:0}
.site-footer__col--brand{display:flex;flex-direction:column;gap:1rem}
.site-footer__brand{
  display:inline-flex;align-items:center;gap:.7rem;align-self:flex-start;
  font-family:var(--font-serif);font-size:1.0625rem;letter-spacing:.16em;
  color:var(--porcelain);min-height:44px;
}
.site-footer__mark{
  position:relative;width:32px;height:32px;display:grid;place-items:center;
  border:1px solid var(--gold);color:var(--gold);
  font-family:var(--font-mono);font-size:.8125rem;
}
.site-footer__mark::after{content:"";position:absolute;inset:4px;border:1px solid rgba(201,162,39,.32)}
.site-footer__brandline{max-width:34ch;font-size:.9375rem;line-height:1.85;color:rgba(246,241,231,.66)}
.site-footer__title{
  display:flex;align-items:center;gap:.7rem;
  font-family:var(--font-sans);font-size:.75rem;font-weight:500;
  letter-spacing:.22em;color:var(--gold);margin-bottom:1.1rem;
}
.site-footer__title::after{content:"";flex:1 1 auto;height:1px;background:linear-gradient(90deg,rgba(201,162,39,.55),rgba(201,162,39,0))}
.site-footer__list{display:grid;gap:.45rem;font-size:.9375rem;line-height:1.7}
.site-footer__list a{color:rgba(246,241,231,.74);border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.site-footer__list a:hover{color:var(--gold-light);border-bottom-color:rgba(201,162,39,.6)}
.site-footer__list li{overflow-wrap:anywhere}
.site-footer__mono{color:rgba(232,207,138,.86);font-size:.875rem}
.site-footer__base{border-top:1px solid rgba(232,207,138,.16)}
.site-footer__base-inner{
  max-width:1240px;margin-inline:auto;
  padding:1.1rem clamp(18px,4vw,40px) 1.6rem;
  display:flex;flex-wrap:wrap;gap:.5rem 1.6rem;justify-content:space-between;align-items:center;
  font-size:.8125rem;letter-spacing:.04em;color:rgba(246,241,231,.56);
}
.site-footer__icp{font-family:var(--font-mono);letter-spacing:.06em;color:rgba(232,207,138,.7)}
@media (max-width:959px){
  .site-footer__inner{grid-template-columns:1fr 1fr}
  .site-footer__col--brand{grid-column:1 / -1}
  .site-footer__brandline{max-width:46ch}
}
@media (max-width:599px){
  .site-footer__inner{grid-template-columns:1fr}
  .site-footer__base-inner{flex-direction:column;align-items:flex-start}
}

/* ===== buttons ===== */
.btn{
  --btn-bg:transparent;
  --btn-fg:var(--porcelain);
  --btn-bd:rgba(232,207,138,.55);
  display:inline-flex;align-items:center;justify-content:center;gap:.45rem;
  min-height:44px;padding:.6rem 1.2rem;
  font-family:var(--font-sans);font-size:.9375rem;letter-spacing:.06em;line-height:1.3;
  background:var(--btn-bg);color:var(--btn-fg);
  border:1px solid var(--btn-bd);border-radius:2px;
  cursor:pointer;text-align:center;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:none}
.btn--gold{--btn-bg:var(--gold);--btn-fg:#2B0711;--btn-bd:var(--gold)}
.btn--gold:hover{--btn-bg:#D8B23A;--btn-bd:#D8B23A}
.btn--ghost{--btn-bg:transparent;--btn-fg:var(--gold-light);--btn-bd:rgba(232,207,138,.55)}
.btn--ghost:hover{--btn-fg:var(--wine-deep);--btn-bg:var(--gold-light);--btn-bd:var(--gold-light)}
.btn--ink{--btn-bg:var(--wine);--btn-fg:var(--porcelain);--btn-bd:var(--wine)}
.btn--ink:hover{--btn-bg:var(--wine-deep);--btn-bd:var(--wine-deep)}

/* ===== breadcrumb ===== */
.breadcrumb{font-size:.8125rem;letter-spacing:.06em;color:var(--gold-muted)}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem}
.breadcrumb__item{display:flex;align-items:center;gap:.5rem;min-height:24px}
.breadcrumb__link{color:var(--gold-muted);border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.breadcrumb__link:hover{color:var(--wine);border-bottom-color:rgba(201,162,39,.6)}
.breadcrumb__sep{color:rgba(140,122,91,.55);font-family:var(--font-mono)}
.breadcrumb__current{color:var(--wine);font-weight:500}

/* ===== section rhythm ===== */
.section{padding-block:clamp(46px,7vw,92px)}
.section--tint{background:linear-gradient(180deg,rgba(232,207,138,.1),rgba(246,241,231,0) 60%)}
.section--dark{
  background:radial-gradient(130% 110% at 84% 0%,#4A0E1E 0%,#2B0711 64%);
  color:rgba(246,241,231,.8);
}
.section--dark h1,.section--dark h2,.section--dark h3,.section--dark h4{color:var(--porcelain)}
.section--dark .section__lead{color:rgba(246,241,231,.68)}
.section--dark .prose{color:rgba(246,241,231,.82)}
.section--dark .prose a{color:var(--gold-light);border-bottom-color:rgba(232,207,138,.55)}
.section__head{max-width:62ch;margin-bottom:clamp(24px,3.4vw,44px)}
.section__title{font-size:clamp(1.75rem,3.2vw,2.5rem)}
.section__lead{margin-top:1rem;font-size:1rem;line-height:1.85;color:rgba(18,16,15,.7)}
.eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;margin-bottom:.85rem;
  font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.24em;text-transform:uppercase;
  color:var(--gold-muted);
}
.eyebrow::before{content:"";width:26px;height:1px;background:currentColor;opacity:.75}
.section--dark .eyebrow{color:var(--gold)}
.rule-line{
  height:1px;background:linear-gradient(90deg,var(--gold),rgba(201,162,39,0));
  transform-origin:0 50%;transform:scaleX(1);
  transition:transform .6s var(--ease);
}
[data-reveal]:not(.is-visible) .rule-line{transform:scaleX(0)}
html.is-revealing [data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
html.is-revealing [data-reveal].is-visible{opacity:1;transform:none}

/* ===== card ===== */
.card{
  position:relative;display:flex;flex-direction:column;gap:.75rem;
  padding:clamp(20px,2.4vw,30px);
  background:var(--paper);border:1px solid var(--line);border-radius:3px;
  box-shadow:0 1px 0 rgba(18,16,15,.03),0 20px 34px -32px rgba(18,16,15,.6);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:rgba(201,162,39,.7);box-shadow:0 24px 40px -32px rgba(18,16,15,.7)}
.card__kicker{font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold-muted)}
.card__title{font-family:var(--font-serif);font-size:1.25rem;line-height:1.35;color:var(--wine)}
.card__text{font-size:.9375rem;line-height:1.78;color:rgba(18,16,15,.7)}
.card__link{
  margin-top:auto;align-self:flex-start;
  display:inline-flex;align-items:center;gap:.4rem;min-height:44px;
  font-size:.875rem;letter-spacing:.05em;color:var(--wine);
  border-bottom:1px solid rgba(201,162,39,.6);
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.card__link:hover{color:var(--gold);border-bottom-color:var(--gold)}
.card--dark{background:var(--teal-deep);border-color:rgba(232,207,138,.24);color:rgba(246,241,231,.78)}
.card--dark .card__title{color:var(--porcelain)}
.card--dark .card__text{color:rgba(246,241,231,.68)}
.card--dark .card__kicker{color:var(--gold-light)}
.card--dark .card__link{color:var(--gold-light);border-bottom-color:rgba(232,207,138,.5)}

/* ===== tags ===== */
.tag{
  display:inline-flex;align-items:center;gap:.35rem;
  padding:.2rem .55rem;border:1px solid currentColor;border-radius:2px;
  font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.1em;line-height:1.5;
}
.tag--teal{color:#3D5453;background:rgba(94,116,115,.12)}
.tag--amber{color:#8E5220;background:rgba(199,123,58,.14)}
.tag--gold{color:#7A6012;background:rgba(201,162,39,.16)}
.card--dark .tag,.section--dark .tag{color:var(--gold-light);background:rgba(232,207,138,.12)}

/* ===== figure (image container base) ===== */
.figure{display:flex;flex-direction:column;gap:.7rem;margin:0;min-width:0}
.figure__media{
  position:relative;overflow:hidden;aspect-ratio:4/3;width:100%;
  border:1px solid rgba(140,122,91,.42);
  background:
    radial-gradient(120% 88% at 78% 6%,rgba(232,207,138,.24),rgba(232,207,138,0) 58%),
    repeating-linear-gradient(97deg,rgba(255,255,255,.05) 0 2px,rgba(255,255,255,0) 2px 12px),
    linear-gradient(158deg,#2B0711 0%,#4A0E1E 54%,#2E3B3A 100%);
  box-shadow:inset 0 0 64px rgba(0,0,0,.5);
}
.figure__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.92)}
.figure__media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(43,7,17,0) 52%,rgba(43,7,17,.46) 100%);
}
.figure__caption{font-size:.8125rem;line-height:1.65;letter-spacing:.02em;color:var(--gold-muted)}
.section--dark .figure__caption{color:rgba(232,207,138,.75)}
.figure--portrait .figure__media{aspect-ratio:3/4}
.figure--tall .figure__media{aspect-ratio:2/3}
.figure--wide .figure__media{aspect-ratio:16/9}

/* ===== table ===== */
.table-wrap{overflow-x:auto;border:1px solid var(--line);background:var(--paper)}
.table-wrap table{min-width:520px;font-size:.9375rem}
.table-wrap th,.table-wrap td{padding:.75rem 1rem;text-align:left;vertical-align:top;border-bottom:1px solid var(--line-soft)}
.table-wrap th{
  font-family:var(--font-sans);font-weight:500;font-size:.8125rem;letter-spacing:.08em;
  color:var(--wine);background:rgba(201,162,39,.1);white-space:nowrap;
}
.table-wrap tr:last-child td{border-bottom:0}

/* ===== sticky toc ===== */
.toc{position:sticky;top:96px;align-self:start;padding-top:1rem;border-top:1px solid rgba(201,162,39,.45)}
.toc__title{font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.2em;color:var(--gold-muted);margin-bottom:.7rem}
.toc__list{display:grid;gap:.05rem}
.toc__link{
  display:block;padding:.42rem 0 .42rem .85rem;min-height:36px;
  font-size:.875rem;line-height:1.6;color:rgba(18,16,15,.72);
  border-left:1px solid rgba(140,122,91,.4);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.toc__link:hover{color:var(--wine);border-left-color:rgba(201,162,39,.8)}
.toc__link.is-active{color:var(--wine);font-weight:500;border-left:2px solid var(--gold);padding-left:calc(.85rem - 1px)}
@media (max-width:899px){
  .toc{position:static}
  .toc__list{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:.1rem}
}

/* ===== accordion ===== */
.accordion{border-top:1px solid var(--line)}
.accordion__item{border-bottom:1px solid var(--line)}
.accordion__trigger{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:1rem;
  min-height:56px;padding:1rem .2rem;cursor:pointer;text-align:left;
  font-family:var(--font-serif);font-size:1.0625rem;letter-spacing:.02em;line-height:1.5;
  color:var(--wine);transition:color .2s var(--ease);
}
.accordion__trigger:hover{color:var(--gold-muted)}
.accordion__title{flex:1 1 auto;min-width:0}
.accordion__icon{position:relative;flex:0 0 auto;width:18px;height:18px;transition:transform .2s var(--ease)}
.accordion__icon::before{
  content:"";position:absolute;top:50%;left:50%;
  width:8px;height:8px;margin:-4px 0 0 -4px;
  border-top:1px solid var(--gold);border-right:1px solid var(--gold);
  transform:rotate(45deg);
}
.accordion__item[data-open="true"] .accordion__icon{transform:rotate(90deg)}
.accordion__panel{display:grid;grid-template-rows:1fr;opacity:1;transition:grid-template-rows .22s var(--ease),opacity .22s var(--ease)}
.accordion__item[data-open="false"] .accordion__panel{grid-template-rows:0fr;opacity:0}
.accordion__body{overflow:hidden;min-height:0;font-size:.9375rem;line-height:1.85;color:rgba(18,16,15,.78)}
.accordion__body>*{max-width:64ch}
.accordion__body>*:last-child{margin-bottom:1.15rem}
.accordion__body>*:first-child{margin-top:.1rem}

/* ===== filter bar ===== */
.filter-bar{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:clamp(20px,3vw,34px)}
.filter-bar__btn{
  min-height:44px;padding:.5rem 1rem;cursor:pointer;
  border:1px solid rgba(140,122,91,.42);border-radius:2px;
  font-size:.8125rem;letter-spacing:.08em;color:var(--wine);
  background:transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.filter-bar__btn:hover{border-color:var(--gold);color:var(--gold-muted)}
.filter-bar__btn[aria-pressed="true"]{background:var(--wine);border-color:var(--wine);color:var(--porcelain)}
[data-filter-item][hidden]{display:none!important}

/* ===== scrollspy active state ===== */
[data-scrollspy] a.is-active{color:var(--gold);border-color:var(--gold)}

/* ===== reduced motion ===== */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
  html.is-revealing [data-reveal]{opacity:1;transform:none}
  [data-reveal]:not(.is-visible) .rule-line{transform:scaleX(1)}
  .scroll-meter__fill{transition:none}
}