:root{
  --bg:#0A0E27;
  --panel:#111633;
  --graphite:#1C2333;
  --gray-text:#8B93A7;
  --white:#FFFFFF;
  --cyan:#32F5D0;
  --orange:#FF7A3D;
  --violet:#7C5CFF;
  --azure:#2E6BFF;
  --line:#4A5568;

  --shell:1240px;
  --shell-narrow:760px;
  --gap:clamp(16px,2vw,28px);
  --pad-y:clamp(40px,6vw,88px);

  --font-head:"Helvetica Neue","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-body:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;

  --header-h:64px;
  --dur:280ms;
  --rad:2px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--white);
  font-family:var(--font-body);
  font-size:15px;
  line-height:1.75;
  letter-spacing:.01em;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    linear-gradient(180deg,rgba(50,245,208,.05),transparent 22%),
    repeating-linear-gradient(90deg,rgba(74,85,104,.10) 0 1px,transparent 1px 96px),
    repeating-linear-gradient(0deg,rgba(74,85,104,.07) 0 1px,transparent 1px 96px);
}
body > *{position:relative;z-index:1}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-family:var(--font-head);font-weight:800;line-height:1.15;letter-spacing:-.01em}
p{margin:0}
dl,dd,dt{margin:0}

:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

/* ---------- shell ---------- */
.shell{width:min(100% - 2*clamp(16px,4vw,40px),var(--shell));margin-inline:auto}
.shell--narrow{width:min(100% - 2*clamp(16px,4vw,40px),var(--shell-narrow));margin-inline:auto}
.shell--wide{width:min(100% - 2*clamp(12px,3vw,32px),1480px);margin-inline:auto}

.skip-link{
  position:absolute;left:12px;top:-60px;z-index:200;
  background:var(--cyan);color:#06231D;
  padding:10px 16px;border-radius:var(--rad);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;
  transition:top var(--dur) ease;
}
.skip-link:focus{top:12px}

/* ---------- header ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background var(--dur) ease,border-color var(--dur) ease,backdrop-filter var(--dur) ease;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(50,245,208,.55),rgba(74,85,104,.35),transparent);
  opacity:.6;
}
.site-header[data-scrolled]{
  background:rgba(10,14,39,.94);
  backdrop-filter:blur(10px);
  border-bottom-color:rgba(74,85,104,.45);
}
.header-bar{position:relative}
.header-inner{
  width:min(100% - 2*clamp(16px,4vw,40px),var(--shell));
  margin-inline:auto;
  min-height:var(--header-h);
  display:flex;align-items:center;gap:clamp(12px,2.4vw,36px);
  padding-block:10px;
}
.header-actions{
  width:min(100% - 2*clamp(16px,4vw,40px),var(--shell));
  margin-inline:auto;
  display:none;
}

/* brand */
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand__mark{
  width:26px;height:26px;flex:0 0 auto;
  display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:2px;
}
.brand__mark i{display:block;background:var(--cyan);opacity:.85}
.brand__mark i:nth-child(2){background:var(--violet);opacity:.7}
.brand__mark i:nth-child(3){background:var(--orange);opacity:.75}
.brand__mark i:nth-child(4){background:var(--line);opacity:.9}
.brand__text{display:flex;flex-direction:column;line-height:1.05}
.brand__name{
  font-family:var(--font-head);font-weight:800;letter-spacing:.14em;
  font-size:16px;color:var(--white);
}
.brand__tag{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;
  color:var(--gray-text);text-transform:uppercase;margin-top:2px;
}

/* nav */
.nav{display:flex;align-items:center;gap:clamp(10px,1.6vw,26px);margin-left:auto}
.nav__list{display:flex;align-items:center;gap:clamp(8px,1.4vw,22px)}
.nav__link{
  position:relative;display:inline-block;
  padding:6px 2px;
  font-size:13.5px;color:var(--gray-text);
  letter-spacing:.04em;
  transition:color var(--dur) ease;
}
.nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--cyan);transform:scaleX(0);transform-origin:left;
  transition:transform var(--dur) ease;
}
.nav__link:hover{color:var(--white)}
.nav__link:hover::after{transform:scaleX(1)}
.nav__link[aria-current="page"]{color:var(--cyan)}
.nav__link[aria-current="page"]::after{transform:scaleX(1);background:var(--cyan)}
.nav__actions{display:none;gap:10px}

/* toggle */
.nav-toggle{
  margin-left:auto;
  display:none;align-items:center;gap:9px;
  background:rgba(28,35,51,.7);
  border:1px solid rgba(74,85,104,.6);
  border-radius:var(--rad);
  padding:9px 13px;cursor:pointer;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  color:var(--white);
  transition:border-color var(--dur) ease,background var(--dur) ease;
}
.nav-toggle:hover{border-color:var(--cyan)}
.nav-toggle__bars,.nav-toggle__bars::before,.nav-toggle__bars::after{
  content:"";display:block;width:16px;height:1px;background:var(--cyan);
}
.nav-toggle__bars{position:relative}
.nav-toggle__bars::before{position:absolute;top:-5px;left:0}
.nav-toggle__bars::after{position:absolute;top:5px;left:0}
.nav-toggle__text{text-transform:uppercase}

/* ticker band */
.header-ticker{
  display:none;
  width:min(100% - 2*clamp(16px,4vw,40px),var(--shell));
  margin-inline:auto;
  padding:0 0 9px;
  align-items:center;gap:14px;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;
  color:var(--gray-text);text-transform:uppercase;
}
.header-ticker__label{color:var(--cyan)}
.header-ticker__line{flex:1 1 auto;height:1px;background:repeating-linear-gradient(90deg,var(--line) 0 4px,transparent 4px 10px);opacity:.7}
.header-ticker__meta{white-space:nowrap}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 16px;border-radius:var(--rad);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.09em;
  border:1px solid transparent;cursor:pointer;
  transition:background var(--dur) ease,color var(--dur) ease,border-color var(--dur) ease,transform var(--dur) ease;
}
.btn--signal{background:var(--cyan);color:#06231D;font-weight:700}
.btn--signal:hover{background:#7CFFE6;transform:translateY(-1px)}
.btn--ghost{border-color:rgba(74,85,104,.75);color:var(--white);background:rgba(17,22,51,.5)}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn--quiet{border-color:transparent;color:var(--gray-text);background:transparent;padding-inline:6px}
.btn--quiet:hover{color:var(--cyan)}

/* ---------- generic type ---------- */
.eyebrow{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--cyan);
}
.lede{color:var(--gray-text);font-size:15px;max-width:62ch}
.mono{font-family:var(--font-mono)}
.tag{
  display:inline-block;padding:3px 8px;border-radius:var(--rad);
  font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;
  border:1px solid rgba(74,85,104,.6);color:var(--gray-text);
}
.tag--cyan{color:var(--cyan);border-color:rgba(50,245,208,.5)}
.tag--orange{color:var(--orange);border-color:rgba(255,122,61,.5)}
.tag--violet{color:var(--violet);border-color:rgba(124,92,255,.5)}

.rule{height:1px;background:rgba(74,85,104,.45);border:0;margin:0}
.rule--dashed{height:1px;background:repeating-linear-gradient(90deg,rgba(74,85,104,.6) 0 5px,transparent 5px 12px)}
.rule--ticks{
  height:14px;
  background:repeating-linear-gradient(90deg,rgba(74,85,104,.7) 0 1px,transparent 1px 22px);
  border-top:1px solid rgba(74,85,104,.45);
}

/* ---------- breadcrumb ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  color:var(--gray-text);text-transform:uppercase;
}
.breadcrumb__item{display:inline-flex;align-items:center;gap:8px}
.breadcrumb__item + .breadcrumb__item::before{content:"/";color:var(--line)}
.breadcrumb a:hover{color:var(--cyan)}

/* ---------- grids ---------- */
.grid{display:grid;gap:var(--gap)}
.grid--split{grid-template-columns:minmax(0,1fr)}
.grid--thirds{grid-template-columns:minmax(0,1fr)}
.grid--quarters{grid-template-columns:repeat(2,minmax(0,1fr))}

/* ---------- panels ---------- */
.panel{
  background:var(--panel);
  border:1px solid rgba(74,85,104,.45);
  border-radius:var(--rad);
  position:relative;
  transition:border-color var(--dur) ease,transform var(--dur) ease;
}
.panel--mid{background:linear-gradient(180deg,rgba(17,22,51,.96),rgba(10,14,39,.96))}
.panel--graphite{background:var(--graphite)}
.panel:hover{border-color:rgba(50,245,208,.45)}
.panel__head{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:10px;
  justify-content:space-between;
  padding:14px 18px;
  border-bottom:1px solid rgba(74,85,104,.4);
}
.panel__body{padding:18px}

/* ---------- exhibit label ---------- */
.exhibit-label{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--gray-text);
}
.exhibit-label__no{color:var(--cyan)}
.exhibit-label__title{color:var(--white);letter-spacing:.06em}
.exhibit-label__meta{color:var(--gray-text)}
.exhibit-label__meta::before{content:"·";margin-right:8px;color:var(--line)}

/* ---------- data strip ---------- */
.data-strip{
  display:flex;gap:0;
  overflow-x:auto;
  scrollbar-width:thin;
  border-top:1px solid rgba(74,85,104,.45);
  border-bottom:1px solid rgba(74,85,104,.45);
}
.data-strip__item{
  flex:0 0 auto;
  min-width:150px;
  padding:14px 18px;
  border-right:1px dashed rgba(74,85,104,.4);
  display:flex;align-items:baseline;gap:6px;flex-wrap:wrap;
}
.data-strip__value{
  font-family:var(--font-mono);font-size:26px;font-weight:700;
  color:var(--white);letter-spacing:.02em;line-height:1;
}
.data-strip__unit{font-family:var(--font-mono);font-size:12px;color:var(--cyan)}
.data-strip__cap{
  flex:1 0 100%;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--gray-text);
}
.data-strip--footer{border:0;margin-top:20px}
.data-strip--footer .data-strip__item{padding:12px 16px 12px 0;border-right-color:rgba(74,85,104,.35)}

/* ---------- metric ---------- */
.metric{display:flex;flex-direction:column;gap:6px}
.metric__value{
  font-family:var(--font-mono);font-weight:700;
  font-size:clamp(34px,6vw,64px);line-height:.95;letter-spacing:-.02em;
  color:var(--white);
}
.metric__label{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan)}
.metric__note{font-size:12.5px;color:var(--gray-text)}

/* ---------- chips / filter ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  background:var(--graphite);
  border:1px solid rgba(74,85,104,.6);
  color:var(--gray-text);
  border-radius:999px;
  padding:7px 14px;cursor:pointer;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  transition:color var(--dur) ease,border-color var(--dur) ease,background var(--dur) ease;
}
.chip:hover{color:var(--white);border-color:rgba(50,245,208,.55)}
.chip[aria-pressed="true"]{
  background:rgba(50,245,208,.12);color:var(--cyan);border-color:var(--cyan);
}
.is-filtered-out{display:none !important}

/* ---------- tick frame ---------- */
.tick-frame{
  position:relative;
  border:1px solid rgba(74,85,104,.5);
  padding:clamp(20px,4vw,48px);
}
.tick-frame__corner{position:absolute;width:12px;height:12px;border:1px solid var(--cyan)}
.tick-frame__corner--tl{top:-1px;left:-1px;border-right:0;border-bottom:0}
.tick-frame__corner--tr{top:-1px;right:-1px;border-left:0;border-bottom:0}
.tick-frame__corner--bl{bottom:-1px;left:-1px;border-right:0;border-top:0}
.tick-frame__corner--br{bottom:-1px;right:-1px;border-left:0;border-top:0}
.tick-frame__scale{
  position:absolute;left:0;right:0;bottom:0;height:10px;
  background:repeating-linear-gradient(90deg,rgba(74,85,104,.65) 0 1px,transparent 1px 20px);
}

/* ---------- decorative field map ---------- */
.field-map{position:absolute;inset:0;pointer-events:none;overflow:hidden;opacity:.5}
.field-map__line{stroke:rgba(74,85,104,.5);stroke-width:1;fill:none}
.field-map__dot{fill:var(--cyan);opacity:.8}

/* ---------- figure ---------- */
.figure{margin:0}
.figure__frame{
  position:relative;overflow:hidden;
  border:1px solid rgba(74,85,104,.5);
  border-radius:var(--rad);
  background:linear-gradient(160deg,rgba(17,22,51,.95),rgba(28,35,51,.85));
  aspect-ratio:16/10;
}
.figure__frame img{width:100%;height:100%;object-fit:cover}
.figure--wide .figure__frame{aspect-ratio:21/9}
.figure--tall .figure__frame{aspect-ratio:4/5}
.figure--slant .figure__frame{clip-path:polygon(0 0,100% 0,100% 92%,0 100%)}
.figure__cap{
  margin-top:10px;
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--gray-text);
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity var(--dur) ease,transform var(--dur) ease}
.reveal--in{opacity:1;transform:none}

/* ---------- to top ---------- */
.to-top{
  position:fixed;right:clamp(14px,3vw,32px);bottom:clamp(14px,3vw,32px);z-index:90;
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(17,22,51,.94);
  border:1px solid rgba(50,245,208,.5);
  color:var(--cyan);border-radius:var(--rad);
  padding:9px 13px;cursor:pointer;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;
  transition:background var(--dur) ease,transform var(--dur) ease;
}
.to-top:hover{background:rgba(50,245,208,.14);transform:translateY(-2px)}
.to-top__text{text-transform:uppercase}

/* ---------- footer ---------- */
.footer{
  margin-top:clamp(64px,10vw,140px);
  background:linear-gradient(180deg,rgba(10,14,39,.7),rgba(17,22,51,.96) 35%,rgba(10,14,39,1));
  border-top:1px solid rgba(74,85,104,.5);
  padding-block:clamp(40px,6vw,72px) 26px;
}
.footer__grid{display:grid;gap:clamp(24px,4vw,44px);grid-template-columns:minmax(0,1fr)}
.footer__brand{max-width:52ch}
.brand--footer .brand__mark{width:22px;height:22px}
.footer__lede{color:var(--gray-text);margin-top:16px;font-size:14px;max-width:44ch}
.footer__title{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--white);font-weight:700;
  padding-bottom:10px;margin-bottom:14px;
  border-bottom:1px solid rgba(74,85,104,.45);
}
.footer__links li + li{margin-top:9px}
.footer__links a{
  color:var(--gray-text);font-size:14px;
  transition:color var(--dur) ease;
}
.footer__links a:hover{color:var(--cyan)}
.footer__contact dt{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--cyan);margin-top:14px;
}
.footer__contact dt:first-child{margin-top:0}
.footer__contact dd{color:var(--gray-text);font-size:14px;margin-top:4px}
.footer__contact dd a:hover{color:var(--cyan)}
.footer__lake{margin-top:clamp(30px,5vw,54px);height:56px}
.footer__lake svg{width:100%;height:100%;display:block}
.footer__lake path{fill:none;stroke:rgba(50,245,208,.5);stroke-width:1.4}
.footer__lake .footer__lake-ticks{stroke:rgba(74,85,104,.5);stroke-dasharray:3 7;stroke-width:1}
.footer__legal{
  margin-top:20px;padding-top:18px;
  border-top:1px solid rgba(74,85,104,.45);
  display:flex;flex-wrap:wrap;gap:12px 26px;align-items:center;justify-content:space-between;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--gray-text);
}
.footer__legal-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.footer__legal-sep{color:var(--line)}

/* ---------- responsive ---------- */
@media (min-width:600px){
  .grid--quarters{grid-template-columns:repeat(4,minmax(0,1fr))}
  .footer__grid{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr)}
  .footer__col--contact{grid-column:1 / -1}
}
@media (min-width:900px){
  .grid--split{grid-template-columns:minmax(260px,.62fr) minmax(0,1.38fr)}
  .grid--thirds{grid-template-columns:repeat(3,minmax(0,1fr))}
  .header-actions{display:none}
  .header-ticker{display:flex}
  .nav__actions{display:flex}
  .footer__grid{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr) minmax(0,1fr) minmax(0,1.4fr)}
  .footer__col--contact{grid-column:auto}
}
@media (max-width:899px){
  .nav-toggle{display:inline-flex}
  .nav{
    position:fixed;inset:var(--header-h) 0 auto 0;
    display:block;
    background:rgba(10,14,39,.98);
    backdrop-filter:blur(12px);
    border-bottom:1px solid rgba(74,85,104,.5);
    padding:18px clamp(16px,4vw,40px) 26px;
    max-height:calc(100vh - var(--header-h));
    overflow-y:auto;
    transform:translateY(-12px);
    opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity var(--dur) ease,transform var(--dur) ease,visibility var(--dur) ease;
  }
  .nav[data-open]{
    opacity:1;visibility:visible;pointer-events:auto;transform:none;
  }
  .nav__list{flex-direction:column;align-items:stretch;gap:0}
  .nav__item{border-bottom:1px solid rgba(74,85,104,.35)}
  .nav__link{display:block;padding:14px 0;font-size:16px}
  .nav__link::after{display:none}
  .nav__link[aria-current="page"]{color:var(--cyan)}
  .nav__actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
  .nav__actions .btn{flex:1 1 180px}
  body[data-nav-locked]{overflow:hidden}
}
@media (min-width:1200px){
  .header-actions{display:none}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}
html{scroll-behavior:smooth}