:root{
  --gold:#C9A227;
  --gold-line:rgba(201,162,39,.55);
  --night:#12263A;
  --night-deep:#0A1725;
  --night-mid:#1E3A56;
  --orange:#D97B29;
  --ice:#F2F5F7;
  --dune:#E8DFCB;
  --rock:#5B6672;
  --ink:#12181F;
  --crack:#7FA8C9;

  --font-heading:"Source Han Serif SC","Noto Serif SC","Songti SC","STSong","SimSun",Georgia,"Times New Roman",serif;
  --font-body:"Source Han Sans SC","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-latin:"Oswald","Roboto Condensed","Arial Narrow","Helvetica Neue",system-ui,sans-serif;

  --wrap:1240px;
  --gutter:clamp(1.15rem,4vw,3.25rem);
  --dur:180ms;
  --ease:cubic-bezier(.2,.7,.3,1);
  --line-light:rgba(30,58,86,.18);
  --z-head:80;
}

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

/* ---------- base ---------- */
body{
  background:var(--ice);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{font-family:var(--font-heading);font-weight:600;line-height:1.12;letter-spacing:-.01em;color:var(--night)}
h1{font-size:clamp(2.6rem,6vw,5.1rem)}
h2{font-size:clamp(1.6rem,3vw,2.4rem);line-height:1.2}
h3{font-size:clamp(1.15rem,1.8vw,1.45rem);line-height:1.35}
h4{font-size:1.05rem;line-height:1.4}
p{max-width:42em}
strong{font-weight:600;color:var(--night)}
small{font-size:.82em}
address{font-style:normal}

:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.band--night :focus-visible,.masthead :focus-visible,.foot :focus-visible{outline-color:var(--gold)}

/* ---------- layout helpers ---------- */
.container{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(2.6rem,6vw,5.5rem)}
.section--tight{padding-block:clamp(1.5rem,3vw,2.6rem)}
.band--ice{background:var(--ice)}
.band--dune{background:var(--dune)}
.band--night{background:var(--night);color:rgba(242,245,247,.86)}
.band--night h1,.band--night h2,.band--night h3,.band--night strong{color:var(--ice)}
.measure{max-width:34em}
.rule{height:1px;background:var(--line-light);border:0;margin:0}
.band--night .rule{background:rgba(127,168,201,.28)}

.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(1rem,2.4vw,2rem)}
.col-3{grid-column:span 3}
.col-4{grid-column:span 4}
.col-5{grid-column:span 5}
.col-6{grid-column:span 6}
.col-7{grid-column:span 7}
.col-8{grid-column:span 8}
.col-9{grid-column:span 9}
.col-12{grid-column:1/-1}
.start-2{grid-column-start:2}
.start-3{grid-column-start:3}
.start-4{grid-column-start:4}

/* ---------- type accents ---------- */
.eyebrow{
  font-family:var(--font-latin);
  font-size:.7rem;
  line-height:1.4;
  letter-spacing:.3em;
  text-transform:uppercase;
  color:var(--night);
  margin:0;
}
.eyebrow--gold{color:var(--gold)}
.band--night .eyebrow,.foot .eyebrow{color:var(--gold)}
.lede{font-size:clamp(1.02rem,1.5vw,1.18rem);line-height:1.8;color:var(--rock);max-width:38em}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:var(--font-body);font-size:.9rem;font-weight:600;letter-spacing:.05em;line-height:1;
  padding:.85rem 1.35rem;border:1px solid transparent;border-radius:1px;
  text-decoration:none;cursor:pointer;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn--gold{background:var(--gold);border-color:var(--gold);color:var(--night-deep)}
.btn--gold:hover,.btn--gold:focus-visible{background:var(--orange);border-color:var(--orange);color:var(--night-deep)}
.btn--ghost{background:transparent;border-color:rgba(127,168,201,.55);color:var(--ice)}
.btn--ghost:hover,.btn--ghost:focus-visible{border-color:var(--gold);color:var(--gold)}
.btn--line{background:transparent;border-color:rgba(18,38,58,.35);color:var(--night)}
.btn--line:hover,.btn--line:focus-visible{border-color:var(--gold);color:var(--night);background:rgba(201,162,39,.12)}
.btn--sm{padding:.6rem .95rem;font-size:.8rem}

/* ---------- skip link ---------- */
.skip-link{
  position:absolute;left:var(--gutter);top:.55rem;z-index:120;
  background:var(--gold);color:var(--night-deep);
  padding:.6rem 1rem;font-size:.85rem;font-weight:600;letter-spacing:.06em;
  text-decoration:none;border-radius:1px;
  transform:translateY(-180%);
  transition:transform var(--dur) var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ---------- progress rail ---------- */
.progress-rail{
  position:absolute;top:0;left:0;right:0;height:3px;
  background:rgba(30,58,86,.75);overflow:hidden;pointer-events:none;
}
.progress-rail__bar{display:block;height:100%;width:0;background:var(--gold);transition:width 90ms linear}

/* ---------- masthead ---------- */
.masthead{
  position:sticky;top:0;z-index:var(--z-head);
  background:var(--night);
  color:var(--ice);
  border-bottom:1px solid var(--gold-line);
  background-image:repeating-linear-gradient(90deg,rgba(127,168,201,.13) 0 1px,transparent 1px 96px);
}
.masthead__inner{padding-block:clamp(1rem,2vw,1.75rem) 0;transition:padding-block 240ms var(--ease)}
.masthead__top{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:1rem;
}
.masthead__meta{
  justify-self:start;color:var(--crack);opacity:.85;
  font-size:.62rem;letter-spacing:.34em;
  transition:opacity 200ms var(--ease);
}
.masthead__actions{justify-self:end;display:flex;align-items:center;gap:.6rem}
.masthead__cta{white-space:nowrap}

/* brand */
.brand{
  display:inline-flex;align-items:baseline;gap:.65rem;
  text-decoration:none;color:inherit;justify-self:center;
}
.brand__word{
  font-family:var(--font-heading);font-weight:600;
  font-size:clamp(1.45rem,2.6vw,2.05rem);
  letter-spacing:.16em;line-height:1.1;color:var(--ice);
  transition:font-size 240ms var(--ease),color var(--dur) var(--ease);
}
.brand__latin{
  font-family:var(--font-latin);font-size:.6rem;letter-spacing:.28em;
  text-transform:uppercase;color:var(--gold);white-space:nowrap;
}
.brand:hover .brand__word{color:var(--gold)}

/* nav */
.nav{margin-top:.85rem;transition:margin-top 240ms var(--ease)}
.nav__list{display:flex;justify-content:center;flex-wrap:wrap;gap:clamp(.9rem,3vw,2.6rem)}
.nav__link{
  position:relative;display:inline-block;padding:.3rem 0 .75rem;
  color:rgba(242,245,247,.78);text-decoration:none;
  font-size:.95rem;letter-spacing:.1em;
  transition:color var(--dur) var(--ease);
}
.nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:.3rem;height:1px;
  background:var(--gold);transform:scaleX(0);transform-origin:left;
  transition:transform var(--dur) var(--ease);
}
.nav__link:hover,.nav__link:focus-visible{color:var(--ice)}
.nav__link:hover::after,.nav__link:focus-visible::after{transform:scaleX(1)}
.nav__link[aria-current="page"]{color:var(--gold)}
.nav__link[aria-current="page"]::after{transform:scaleX(1)}

/* condensed state */
.masthead[data-condensed="true"] .masthead__inner{padding-block:.5rem 0}
.masthead[data-condensed="true"] .brand__word{font-size:1.2rem}
.masthead[data-condensed="true"] .brand__latin{font-size:.54rem}
.masthead[data-condensed="true"] .masthead__meta{opacity:0}
.masthead[data-condensed="true"] .nav{margin-top:.3rem}
.masthead[data-condensed="true"] .nav__link{padding-bottom:.45rem;font-size:.88rem}

/* ---------- mobile dock ---------- */
.dock{display:none}
.dock__toggle{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  border:1px solid rgba(127,168,201,.5);border-radius:1px;
  color:var(--ice);font-size:.84rem;letter-spacing:.18em;
  padding:.78rem 1rem;cursor:pointer;background:transparent;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.dock__toggle:hover,.dock__toggle:focus-visible{border-color:var(--gold);color:var(--gold)}
.dock__bars{position:relative;display:block;width:16px;height:9px}
.dock__bars::before,.dock__bars::after{
  content:"";position:absolute;left:0;right:0;height:1px;background:currentColor;
  transition:transform var(--dur) var(--ease);
}
.dock__bars::before{top:0}
.dock__bars::after{bottom:0}
.dock__toggle[aria-expanded="true"] .dock__bars::before{transform:translateY(4px) rotate(45deg)}
.dock__toggle[aria-expanded="true"] .dock__bars::after{transform:translateY(-4px) rotate(-45deg)}
.dock__cta{white-space:nowrap}

/* ---------- footer ---------- */
.foot{
  position:relative;overflow:hidden;
  background:var(--night-deep);color:rgba(242,245,247,.78);
  border-top:1px solid var(--gold-line);
}
.foot::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(180deg,rgba(127,168,201,.07) 0 1px,transparent 1px 30px);
}
.foot::after{
  content:"";position:absolute;right:-140px;bottom:-180px;width:540px;height:540px;
  border-radius:50%;pointer-events:none;opacity:.55;
  background:repeating-radial-gradient(circle,rgba(201,162,39,.22) 0 1px,transparent 1px 26px);
}
.foot__inner{position:relative;z-index:1;padding-block:clamp(2.4rem,5vw,4rem) 1.4rem}
.foot__grid{
  display:grid;grid-template-columns:1.5fr .8fr .8fr 1.35fr;
  gap:clamp(1.6rem,3vw,3rem);
  padding-bottom:clamp(1.6rem,3vw,2.6rem);
  border-bottom:1px solid rgba(127,168,201,.22);
}
.foot__col{min-width:0}
.brand--foot{justify-self:start;margin-bottom:.9rem}
.brand--foot .brand__word{font-size:1.5rem;letter-spacing:.18em}
.foot__tagline{font-size:.9rem;line-height:1.75;color:rgba(242,245,247,.7);max-width:22em}
.foot__icp{
  margin-top:.9rem;font-family:var(--font-latin);font-size:.72rem;
  letter-spacing:.14em;color:var(--crack);
}
.foot__title{
  font-family:var(--font-latin);font-size:.68rem;font-weight:400;
  letter-spacing:.28em;text-transform:uppercase;color:var(--gold);
  margin-bottom:1rem;
}
.foot__list{display:grid;gap:.55rem}
.foot__link{
  color:rgba(242,245,247,.82);text-decoration:none;font-size:.92rem;
  border-bottom:1px solid transparent;padding-bottom:1px;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.foot__link:hover,.foot__link:focus-visible{color:var(--gold);border-color:var(--gold)}
.foot__contact{display:grid;gap:.7rem}
.foot__row{display:grid;grid-template-columns:3.1em 1fr;gap:.5rem;align-items:start}
.foot__label{
  font-family:var(--font-latin);font-size:.66rem;letter-spacing:.2em;
  color:var(--crack);padding-top:.28rem;
}
.foot__value{font-size:.9rem;line-height:1.7;color:rgba(242,245,247,.86);word-break:break-word}
.foot__note{margin-top:1rem;font-size:.8rem;line-height:1.7;color:rgba(127,168,201,.85);max-width:24em}
.foot__bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.6rem 1.4rem;
  padding-top:1.2rem;
}
.foot__copy,.foot__meta{
  font-family:var(--font-latin);font-size:.72rem;letter-spacing:.14em;
  color:rgba(242,245,247,.58);
}

/* ---------- breadcrumb ---------- */
.crumbs{font-size:.8rem;letter-spacing:.06em;color:var(--rock)}
.crumbs ol{display:flex;flex-wrap:wrap;gap:.5rem}
.crumbs li{display:inline-flex;align-items:center;gap:.5rem}
.crumbs li+li::before{content:"/";color:rgba(91,102,114,.55)}
.crumbs a{color:var(--rock);text-decoration:none;border-bottom:1px solid transparent;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.crumbs a:hover,.crumbs a:focus-visible{color:var(--night);border-color:var(--gold)}

/* ---------- tags ---------- */
.tag{
  display:inline-flex;align-items:center;gap:.35rem;
  font-family:var(--font-latin);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;
  padding:.28rem .55rem;border:1px solid var(--line-light);border-radius:1px;color:var(--rock);
}
.tag--update{color:var(--orange);border-color:rgba(217,123,41,.5);background:rgba(217,123,41,.1)}
.tag--gold{color:var(--night);border-color:rgba(201,162,39,.6);background:rgba(201,162,39,.16)}
.tag--night{color:var(--crack);border-color:rgba(127,168,201,.45);background:rgba(30,58,86,.5)}

/* ---------- image frames ---------- */
.figure{margin:0;position:relative}
.frame{
  position:relative;overflow:hidden;border:1px solid var(--line-light);border-radius:1px;
  background-color:var(--dune);
  background-image:repeating-radial-gradient(circle at 28% 122%,rgba(18,38,58,.16) 0 1px,transparent 1px 18px);
}
.frame__img{width:100%;height:100%;object-fit:cover}
.frame--wide{aspect-ratio:16/9}
.frame--tall{aspect-ratio:4/5}
.frame--square{aspect-ratio:1/1}
.frame--cut{clip-path:polygon(0 0,100% 0,100% calc(100% - 38px),calc(100% - 38px) 100%,0 100%)}
.frame--bleed-right{margin-right:calc(var(--gutter) * -1)}
.figure__cap{
  margin-top:.55rem;font-size:.78rem;line-height:1.6;
  letter-spacing:.04em;color:var(--rock);max-width:32em;
}
.band--night .frame{border-color:rgba(127,168,201,.3)}
.band--night .figure__cap{color:rgba(127,168,201,.9)}

/* ---------- decorative motif ---------- */
.motif{
  position:absolute;width:clamp(220px,30vw,440px);aspect-ratio:1/1;border-radius:50%;
  pointer-events:none;opacity:.5;
  background:repeating-radial-gradient(circle,rgba(201,162,39,.4) 0 1px,transparent 1px 22px);
}
.motif--ice{background-image:repeating-radial-gradient(circle,rgba(127,168,201,.4) 0 1px,transparent 1px 22px)}

/* ---------- anchor list ---------- */
.jumplist{display:grid;gap:.1rem;border-left:1px solid var(--line-light);padding-left:1rem}
.jumplist__link{
  display:block;padding:.4rem 0;font-size:.86rem;line-height:1.5;
  color:var(--rock);text-decoration:none;
  transition:color var(--dur) var(--ease);
}
.jumplist__link:hover,.jumplist__link:focus-visible{color:var(--night)}
.jumplist__link[data-current="true"]{color:var(--gold);font-weight:600}

/* ---------- reveal ---------- */
[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity 420ms var(--ease),transform 420ms var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .foot__grid{grid-template-columns:1fr 1fr;row-gap:2rem}
  .foot__col--brand{grid-column:1/-1}
}
@media (max-width:900px){
  .grid{grid-template-columns:repeat(6,minmax(0,1fr))}
  .col-3,.col-4{grid-column:span 3}
  .col-5,.col-6,.col-7,.col-8,.col-9,.col-12{grid-column:1/-1}
  .start-2,.start-3,.start-4{grid-column-start:auto}
}
@media (max-width:860px){
  body{padding-bottom:78px}
  .masthead__inner{padding-block:.7rem .8rem}
  .masthead__top{grid-template-columns:1fr;justify-items:center;gap:.35rem}
  .masthead__meta,.masthead__actions{display:none}
  .brand{justify-self:center;flex-direction:column;align-items:center;gap:.15rem}
  .brand__word{font-size:1.35rem;letter-spacing:.2em}
  .brand__latin{font-size:.54rem;letter-spacing:.24em}
  .masthead[data-condensed="true"] .brand__word{font-size:1.2rem}

  .dock{
    display:grid;grid-template-columns:auto 1fr;gap:.6rem;align-items:center;
    position:fixed;left:0;right:0;bottom:0;z-index:110;
    padding:.6rem var(--gutter) calc(.6rem + env(safe-area-inset-bottom));
    background:var(--night-deep);
    border-top:1px solid rgba(201,162,39,.4);
  }
  .dock__cta{width:100%}

  .nav{
    position:fixed;left:0;right:0;
    bottom:calc(66px + env(safe-area-inset-bottom));
    z-index:108;max-height:min(72vh,540px);overflow-y:auto;
    background:var(--night-deep);
    border-top:1px solid var(--gold);
    padding:1rem var(--gutter) 1.4rem;
    transform:translateY(calc(100% + 140px));
    visibility:hidden;
    transition:transform 280ms var(--ease),visibility 280ms var(--ease);
  }
  .nav[data-open="true"]{transform:translateY(0);visibility:visible}
  .nav__list{flex-direction:column;align-items:stretch;gap:0}
  .nav__item{border-bottom:1px solid rgba(30,58,86,.9)}
  .nav__link{display:block;padding:.9rem .2rem;font-size:1rem;letter-spacing:.12em}
  .nav__link::after{display:none}
  .nav__link[aria-current="page"]{
    color:var(--gold);padding-left:1rem;
    box-shadow:inset 3px 0 0 var(--gold);
  }
}
@media (max-width:600px){
  .col-3,.col-4{grid-column:1/-1}
  .foot__grid{grid-template-columns:1fr}
  .foot__bottom{flex-direction:column;align-items:flex-start}
  .frame--tall{aspect-ratio:4/5}
}

/* ---------- 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}
  [data-reveal]{opacity:1;transform:none}
  .progress-rail__bar{transition:none}
  .dock__bars::before,.dock__bars::after{transition:none}
}

/* ---------- print ---------- */
@media print{
  .masthead,.dock,.progress-rail,.skip-link,.motif{display:none !important}
  body{background:#fff;color:#000;font-family:var(--font-heading);font-size:10.5pt;line-height:1.5}
  .foot{background:#fff;color:#000;border-top:1px solid #000}
  .foot::before,.foot::after{display:none}
  .foot__title,.foot__link,.foot__copy,.foot__meta,.foot__icp,.foot__value,.foot__note,.foot__tagline{color:#000}
  .band--night{background:#fff;color:#000}
  .band--night h1,.band--night h2,.band--night h3{color:#000}
  a{color:#000;text-decoration:none}
  .frame{border-color:#000}
}