*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 20px)}
body,h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote,dl,dd{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;cursor:pointer}
a{color:inherit;text-decoration:none}
:root{
  --c-abyss:#06101F;
  --c-deep:#0A1A30;
  --c-harbor:#102848;
  --c-current:#1B3A5E;
  --c-fog:#E9F0FA;
  --c-text:#C9D6E6;
  --c-slate:#9FB2CA;
  --c-dim:#7C8DA6;
  --c-nebula:#8A6BFF;
  --c-nebula-soft:#B7A6FF;
  --c-signal:#FF7A3D;
  --c-signal-soft:#FFB08A;
  --c-paper:#F4F7FB;
  --c-paper-ink:#0B1628;
  --line:rgba(159,178,202,.16);
  --line-soft:rgba(159,178,202,.09);
  --line-strong:rgba(159,178,202,.3);
  --font-head:'HarmonyOS Sans SC','Source Han Sans SC','Noto Sans SC',sans-serif;
  --font-body:'Source Han Sans SC','Noto Sans SC','PingFang SC',sans-serif;
  --font-mono:'JetBrains Mono','IBM Plex Mono','SFMono-Regular',monospace;
  --header-h:92px;
  --rail-h:32px;
  --wrap-w:1160px;
  --dur-fast:160ms;
  --dur-slow:420ms;
  --ease:cubic-bezier(.22,.61,.36,1);
}
html,body{min-height:100%}
body{
  background:
    radial-gradient(circle at 76% -8%,rgba(138,107,255,.20),transparent 46%),
    radial-gradient(circle at 10% 4%,rgba(27,58,94,.55),transparent 54%),
    var(--c-abyss);
  color:var(--c-text);
  font-family:var(--font-body);
  font-size:1.0625rem;
  line-height:1.76;
  font-weight:400;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(159,178,202,.05) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(159,178,202,.05) 1px,transparent 1px);
  background-size:96px 96px;
  -webkit-mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 74%);
  mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 74%);
}
h1,h2,h3,h4,h5{font-family:var(--font-head);font-weight:800;line-height:1.18;letter-spacing:-.015em;color:var(--c-fog);text-wrap:balance}
h1{font-size:clamp(2.4rem,5.6vw,4rem);line-height:1.08}
h2{font-size:clamp(1.75rem,3.6vw,2.5rem);line-height:1.16}
h3{font-size:clamp(1.25rem,2.2vw,1.75rem);line-height:1.26}
h4{font-size:1.375rem;line-height:1.34}
h5{font-size:1.125rem;line-height:1.4}
p{max-width:70ch}
strong{color:var(--c-fog);font-weight:700}
::selection{background:rgba(255,122,61,.32);color:#fff}
:focus-visible{outline:2px solid var(--c-signal-soft);outline-offset:3px;border-radius:2px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{
  position:fixed;left:14px;top:-70px;z-index:200;
  padding:10px 18px;border-radius:2px;
  background:var(--c-signal);color:#1A0A02;
  font-family:var(--font-mono);font-size:.8125rem;letter-spacing:.08em;font-weight:600;
  transition:top var(--dur-fast) var(--ease);
}
.skip-link:focus,.skip-link:focus-visible{top:12px}
.wrap{width:100%;max-width:var(--wrap-w);margin-inline:auto;padding-inline:clamp(18px,4.5vw,56px)}
.mono{font-family:var(--font-mono);font-size:.8125rem;letter-spacing:.1em;color:var(--c-slate)}
.muted{color:var(--c-slate)}
.coord-note{font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.16em;text-transform:uppercase;color:var(--c-dim)}
.lead{font-size:clamp(1.0625rem,1.6vw,1.25rem);line-height:1.72;color:var(--c-text);max-width:62ch}
.rule{height:1px;border:0;background:var(--line);margin-block:clamp(24px,4vw,48px)}
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  background:linear-gradient(180deg,rgba(6,16,31,.72) 0%,rgba(6,16,31,.28) 62%,rgba(6,16,31,0) 100%);
  transition:background var(--dur-slow) var(--ease),box-shadow var(--dur-slow) var(--ease);
}
.site-header[data-scrolled="true"]{
  background:rgba(10,26,48,.95);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  box-shadow:0 1px 0 var(--line),0 22px 52px -32px rgba(2,6,14,.95);
}
.scroll-progress{position:absolute;left:0;right:0;top:0;height:2px;z-index:3;overflow:hidden;pointer-events:none}
.scroll-progress-bar{display:block;width:100%;height:100%;transform:scaleX(0);transform-origin:0 50%;background:linear-gradient(90deg,var(--c-nebula),var(--c-signal))}
.header-rail{border-bottom:1px solid rgba(27,58,94,.55);transition:border-color var(--dur-slow) var(--ease)}
.site-header[data-scrolled="true"] .header-rail{border-bottom-color:var(--line-soft)}
.header-rail-inner{display:flex;align-items:center;gap:clamp(10px,3vw,28px);height:var(--rail-h);font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.16em;color:var(--c-dim);white-space:nowrap}
.rail-coord,.rail-meta{flex:0 0 auto}
.rail-ticks{flex:1 1 auto;height:7px;min-width:24px;background-image:repeating-linear-gradient(to right,rgba(159,178,202,.42) 0 1px,transparent 1px 24px);opacity:.65}
.header-main{position:relative;border-bottom:1px solid transparent;transition:border-color var(--dur-slow) var(--ease)}
.site-header[data-scrolled="true"] .header-main{border-bottom-color:var(--line-soft)}
.header-inner{display:flex;align-items:center;gap:clamp(16px,3vw,44px);padding-block:12px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;padding-block:2px}
.brand-mark{position:relative;width:26px;height:26px;flex:0 0 auto;border:1px solid rgba(138,107,255,.55);border-radius:50%}
.brand-mark::before{content:"";position:absolute;left:50%;top:-5px;width:1px;height:36px;margin-left:-.5px;background:linear-gradient(180deg,transparent,rgba(159,178,202,.5),transparent)}
.brand-mark::after{content:"";position:absolute;left:50%;top:50%;width:6px;height:6px;margin:-3px 0 0 -3px;background:var(--c-signal);transform:rotate(45deg)}
.brand-text{display:flex;flex-direction:column;gap:2px;line-height:1.2}
.brand-name{font-family:var(--font-head);font-size:1.0625rem;font-weight:800;letter-spacing:.12em;color:var(--c-fog)}
.brand-desc{font-family:var(--font-mono);font-size:.625rem;letter-spacing:.14em;color:var(--c-dim)}
.site-nav{margin-left:auto;display:flex;align-items:center}
.nav-list{display:flex;align-items:center;gap:clamp(4px,1.2vw,20px)}
.nav-item{display:flex}
.nav-link{
  position:relative;display:inline-block;padding:10px 4px;
  font-size:.9375rem;font-weight:500;letter-spacing:.02em;color:rgba(233,240,250,.78);
  transition:color var(--dur-fast) var(--ease);
}
.nav-link::after{content:"";position:absolute;left:4px;right:4px;bottom:4px;height:1px;background:var(--c-signal);transform:scaleX(0);transform-origin:0 50%;transition:transform var(--dur-slow) var(--ease)}
.nav-link:hover,.nav-link:focus-visible{color:var(--c-fog)}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--c-fog)}
.nav-link[aria-current="page"]::after{transform:scaleX(1);background:var(--c-nebula)}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border:1px solid transparent;border-radius:2px;
  font-family:var(--font-head);font-size:.875rem;font-weight:600;line-height:1;letter-spacing:.06em;
  transition:background var(--dur-fast) var(--ease),border-color var(--dur-fast) var(--ease),color var(--dur-fast) var(--ease),box-shadow var(--dur-fast) var(--ease);
}
.btn--signal{background:var(--c-signal);color:#1A0A02;box-shadow:0 12px 26px -16px rgba(255,122,61,.95)}
.btn--signal:hover,.btn--signal:focus-visible{background:var(--c-signal-soft);box-shadow:0 14px 30px -14px rgba(255,176,138,.85)}
.btn--ghost{border-color:var(--line-strong);background:rgba(27,58,94,.3);color:var(--c-fog)}
.btn--ghost:hover,.btn--ghost:focus-visible{border-color:var(--c-nebula);background:rgba(138,107,255,.16)}
.btn--quiet{padding:8px 0;color:var(--c-nebula-soft);font-family:var(--font-mono);font-size:.75rem;letter-spacing:.14em}
.btn--quiet:hover,.btn--quiet:focus-visible{color:var(--c-signal-soft)}
.btn-arrow{font-family:var(--font-mono);font-size:.95em;transition:transform var(--dur-fast) var(--ease)}
.btn:hover .btn-arrow,.btn:focus-visible .btn-arrow{transform:translateX(3px)}
.nav-toggle{display:none;position:relative;width:44px;height:44px;flex:0 0 auto;border:1px solid var(--line-strong);border-radius:2px;background:rgba(16,40,72,.45)}
.nav-toggle-bar{position:absolute;left:12px;right:12px;height:1.5px;background:var(--c-fog);transition:transform var(--dur-slow) var(--ease),opacity var(--dur-fast) var(--ease)}
.nav-toggle-bar:nth-of-type(1){top:17px}
.nav-toggle-bar:nth-of-type(2){top:25px}
.nav-toggle[aria-expanded="true"]{border-color:rgba(138,107,255,.6);background:rgba(138,107,255,.16)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-of-type(1){transform:translateY(4px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-of-type(2){transform:translateY(-4px) rotate(-45deg)}
.site-main{position:relative;z-index:1;padding-top:var(--header-h);display:block}
.hero-window{
  position:relative;
  margin-top:calc(var(--header-h) * -1);
  padding-top:calc(var(--header-h) + clamp(28px,6vw,72px));
  padding-bottom:clamp(48px,8vw,104px);
  border-bottom:1px solid var(--line-soft);
  overflow:hidden;
  background:
    radial-gradient(ellipse at 74% 6%,rgba(138,107,255,.22),transparent 56%),
    radial-gradient(ellipse at 14% 96%,rgba(27,58,94,.6),transparent 62%);
}
.section{padding-block:clamp(48px,8vw,104px)}
.section--tight{padding-block:clamp(32px,5vw,64px)}
.page-head{padding-top:clamp(28px,5vw,64px);padding-bottom:clamp(20px,3.4vw,40px)}
.section-head{display:flex;flex-direction:column;gap:12px;max-width:64ch;margin-bottom:clamp(24px,3.4vw,44px)}
.stack{display:flex;flex-direction:column;gap:clamp(14px,2vw,24px)}
.grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:.6875rem;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:var(--c-nebula-soft)}
.eyebrow::before{content:"";width:22px;height:1px;flex:0 0 auto;background:var(--c-signal)}
.panel{
  position:relative;
  padding:clamp(18px,3vw,32px);
  border:1px solid var(--line);border-radius:3px;
  background:linear-gradient(180deg,rgba(16,40,72,.74),rgba(10,26,48,.74));
}
.panel::before{content:"";position:absolute;top:7px;right:7px;width:10px;height:10px;border-top:1px solid var(--line-strong);border-right:1px solid var(--line-strong);pointer-events:none}
.prose-shell{
  background:var(--c-paper);color:var(--c-paper-ink);
  border-radius:3px;border-top:3px solid var(--c-nebula);
  padding:clamp(22px,4vw,56px);
  box-shadow:0 30px 70px -46px rgba(0,0,0,.85);
}
.prose-shell h1,.prose-shell h2,.prose-shell h3,.prose-shell h4{color:var(--c-paper-ink)}
.prose-shell p,.prose-shell li{color:var(--c-paper-ink);max-width:74ch}
.prose-shell a{color:#25406E;text-decoration:underline;text-underline-offset:3px}
.prose-shell a:hover{color:var(--c-signal)}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.12em;color:var(--c-dim)}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:var(--c-current)}
.crumbs a:hover,.crumbs a:focus-visible{color:var(--c-fog)}
.crumbs [aria-current="page"]{color:var(--c-fog)}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border:1px solid var(--line-strong);border-radius:2px;font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.1em;color:var(--c-slate);white-space:nowrap}
.tag--nebula{color:var(--c-nebula-soft);border-color:rgba(138,107,255,.45);background:rgba(138,107,255,.1)}
.tag--signal{color:var(--c-signal-soft);border-color:rgba(255,122,61,.42);background:rgba(255,122,61,.1)}
.stat{display:flex;flex-direction:column;gap:4px}
.stat-value{font-family:var(--font-mono);font-size:clamp(1.75rem,3.4vw,2.5rem);font-weight:600;line-height:1.1;letter-spacing:-.02em;color:var(--c-signal)}
.stat-label{font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.16em;text-transform:uppercase;color:var(--c-slate)}
.media-frame{position:relative;display:block;overflow:hidden;aspect-ratio:16/10;border:1px solid var(--line);border-radius:3px;background:linear-gradient(135deg,var(--c-harbor),var(--c-deep))}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(140deg,rgba(138,107,255,.16),transparent 58%)}
.media-frame figcaption{position:absolute;left:0;right:0;bottom:0;padding:10px 14px;font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.1em;color:var(--c-fog);background:linear-gradient(180deg,transparent,rgba(6,16,31,.85))}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--square{aspect-ratio:1/1}
.media-frame--tall{aspect-ratio:4/5}
.site-footer{
  position:relative;z-index:1;
  margin-top:clamp(56px,9vw,110px);
  padding-block:clamp(40px,6vw,72px) clamp(22px,3vw,34px);
  background:linear-gradient(180deg,var(--c-deep),#050C18);
  border-top:1px solid var(--line);
}
.footer-top{display:grid;grid-template-columns:1.5fr .9fr .9fr 1.3fr;gap:clamp(24px,4vw,56px);padding-bottom:clamp(28px,4vw,44px);border-bottom:1px solid var(--line-soft)}
.footer-brand{display:flex;flex-direction:column;gap:12px;max-width:34ch}
.footer-mark{position:relative;width:32px;height:32px;border:1px solid rgba(138,107,255,.55);border-radius:50%}
.footer-mark::before{content:"";position:absolute;inset:6px;border:1px solid rgba(159,178,202,.3);border-radius:50%}
.footer-mark::after{content:"";position:absolute;left:50%;top:50%;width:7px;height:7px;margin:-3.5px 0 0 -3.5px;background:var(--c-signal);transform:rotate(45deg)}
.footer-name{font-family:var(--font-head);font-size:1.25rem;font-weight:800;letter-spacing:.12em;color:var(--c-fog)}
.footer-tagline{font-size:.9375rem;line-height:1.7;color:var(--c-slate);max-width:30ch}
.footer-coord{font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.16em;color:var(--c-dim)}
.footer-col{display:flex;flex-direction:column}
.footer-col-title{margin-bottom:14px;font-family:var(--font-mono);font-size:.6875rem;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:var(--c-nebula-soft)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-link{display:inline-block;font-size:.9375rem;color:rgba(233,240,250,.8);transition:color var(--dur-fast) var(--ease),transform var(--dur-fast) var(--ease)}
.footer-link:hover,.footer-link:focus-visible{color:var(--c-signal-soft);transform:translateX(4px)}
.contact-list{display:flex;flex-direction:column;gap:12px}
.contact-item{display:grid;gap:2px}
.contact-label{font-family:var(--font-mono);font-size:.625rem;letter-spacing:.18em;text-transform:uppercase;color:var(--c-dim)}
.contact-value{font-size:.9375rem;line-height:1.6;color:rgba(233,240,250,.86);overflow-wrap:anywhere}
.contact-note{margin-top:14px;font-size:.8125rem;line-height:1.7;color:var(--c-dim);max-width:36ch}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;padding-top:clamp(18px,2.6vw,28px)}
.footer-legal{font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.1em;color:var(--c-dim);max-width:none}
.footer-legal-links{display:flex;flex-wrap:wrap;gap:18px}
.legal-link{font-size:.8125rem;color:var(--c-slate);padding-bottom:1px;border-bottom:1px solid transparent;transition:color var(--dur-fast) var(--ease),border-color var(--dur-fast) var(--ease)}
.legal-link:hover,.legal-link:focus-visible{color:var(--c-fog);border-bottom-color:var(--c-signal)}
@media (max-width:1080px){
  .header-rail-inner{font-size:.625rem;letter-spacing:.12em}
  .nav-list{gap:2px}
  .nav-link{padding-inline:6px;font-size:.875rem}
}
@media (max-width:900px){
  :root{--header-h:64px}
  .header-inner{padding-block:10px;gap:12px}
  .brand-desc{display:none}
  .nav-toggle{display:block}
  .site-nav{
    position:absolute;left:0;right:0;top:100%;margin:0;
    display:none;
    background:var(--c-deep);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line-strong);
    box-shadow:0 40px 70px -36px rgba(0,0,0,.95);
    max-height:calc(100vh - var(--header-h));
    overflow-y:auto;
  }
  .site-nav[data-open="true"]{display:block;animation:navDrop var(--dur-slow) var(--ease)}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-link{display:block;padding:15px clamp(18px,4.5vw,56px);font-size:1rem;border-bottom:1px solid var(--line-soft)}
  .nav-link::after{display:none}
  .nav-link[aria-current="page"]{color:var(--c-fog);background:rgba(138,107,255,.13);box-shadow:inset 2px 0 0 var(--c-nebula)}
  body[data-nav-open="true"]{overflow:hidden}
  .footer-top{grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,40px)}
  .footer-brand{grid-column:1 / -1;max-width:none}
  .grid--3{grid-template-columns:1fr}
}
@keyframes navDrop{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
@media (max-width:640px){
  .header-rail{display:none}
  .header-cta{padding:9px 13px;font-size:.8125rem;letter-spacing:.02em}
  .header-cta .btn-arrow{display:none}
  .brand-name{font-size:.9375rem;letter-spacing:.08em}
  .brand-mark{width:22px;height:22px}
  .brand-mark::before{height:32px}
  .grid--2{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .footer-legal-links{gap:14px}
  .prose-shell{padding:20px 16px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  body::before{display:none}
  .btn:hover .btn-arrow,.footer-link:hover,.footer-link:focus-visible{transform:none}
}