:root{
  --ink-900:#07120E;
  --ink-800:#0C1A15;
  --panel:#12251D;
  --line:#1E3A2E;
  --lime:#C6FF3D;
  --lime-deep:#9BE028;
  --amber:#FFA23A;
  --text:#E8F3EC;
  --muted:#8FA79B;
  --faint:#526F61;
  --header-h:64px;
  --wrap:1280px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-sans:"Archivo Narrow","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Noto Sans Mono",monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background-color:var(--ink-900);
  background-image:radial-gradient(1200px 520px at 16% -12%,rgba(198,255,61,.07),transparent 72%);
  background-repeat:no-repeat;
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{font-weight:800;line-height:1.08;letter-spacing:-.015em;font-stretch:87.5%;margin:0}
p,figure,dl,dd,dt{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
img,svg,video{display:block;max-width:100%}
::selection{background:var(--lime);color:var(--ink-900)}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:2px}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:clamp(16px,3.4vw,40px)}
.section{padding-block:clamp(48px,6.5vw,96px)}
.section--tight{padding-block:clamp(28px,4vw,56px)}
.rule{height:1px;background:var(--line);border:0;margin:0}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.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 ---------- */
.skip-link{
  position:absolute;left:12px;top:-120px;z-index:300;
  display:inline-flex;align-items:center;height:40px;padding:0 16px;
  background:var(--lime);color:#08130F;font-size:13px;font-weight:700;letter-spacing:.04em;
  border-radius:2px;transition:top .18s var(--ease);
}
.skip-link:focus{top:12px;color:#08130F}

/* ---------- header / command bar ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(7,18,14,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px) saturate(120%);
  -webkit-backdrop-filter:blur(12px) saturate(120%);
}
.cmdbar{
  display:flex;align-items:center;gap:clamp(10px,1.8vw,26px);
  width:100%;max-width:1440px;margin-inline:auto;
  padding-inline:clamp(14px,3vw,28px);
  height:var(--header-h);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  position:relative;display:block;width:20px;height:26px;
  background:var(--lime);border-radius:1px;
  box-shadow:0 0 0 1px rgba(198,255,61,.28),0 8px 20px -10px rgba(198,255,61,.8);
}
.brand__mark::before,.brand__mark::after{
  content:"";position:absolute;left:5px;right:5px;height:1.5px;background:rgba(7,18,14,.72);
}
.brand__mark::before{top:8px}
.brand__mark::after{bottom:8px}
.brand__word{
  font-weight:800;font-size:18px;letter-spacing:.14em;font-stretch:87.5%;
  color:var(--text);white-space:nowrap;
}
.brand--foot .brand__mark{width:24px;height:32px}
.brand--foot .brand__word{font-size:22px;letter-spacing:.16em}

.nav-index{flex:1 1 auto;display:flex;justify-content:center;min-width:0}
.nav-index__list{display:flex;align-items:stretch;gap:2px}
.nav-index__link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  height:var(--header-h);padding:0 clamp(6px,1vw,13px);
  font-size:13.5px;letter-spacing:.02em;color:var(--muted);white-space:nowrap;
  transition:color .16s var(--ease);
}
.nav-index__num{font-size:10px;letter-spacing:.08em;color:var(--faint);transition:color .16s var(--ease)}
.nav-index__link::after{
  content:"";position:absolute;left:clamp(6px,1vw,13px);right:clamp(6px,1vw,13px);bottom:15px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left center;
  transition:transform .16s var(--ease);
}
.nav-index__link:hover{color:var(--text)}
.nav-index__link:hover .nav-index__num{color:var(--lime-deep)}
.nav-index__link:hover::after{transform:scaleX(1)}
.nav-index__link[aria-current="page"]{color:var(--text);font-weight:600}
.nav-index__link[aria-current="page"]::after{transform:scaleX(1)}
.nav-index__link[aria-current="page"] .nav-index__num{color:var(--lime)}

.cmdbar__tools{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:auto}
.cmdbar__search{
  display:inline-flex;align-items:center;gap:10px;height:36px;padding:0 10px 0 13px;
  border:1px solid var(--line);border-radius:2px;
  background:linear-gradient(180deg,rgba(30,58,46,.5),rgba(12,26,21,.65));
  color:var(--muted);font-size:12.5px;letter-spacing:.06em;
  transition:border-color .16s var(--ease),color .16s var(--ease),background .16s var(--ease);
}
.cmdbar__search:hover{border-color:var(--lime-deep);color:var(--text);background:rgba(18,37,29,.95)}
.cmdbar__search-label{white-space:nowrap}
.kbd{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.06em;line-height:1;
  padding:3px 5px;border:1px solid var(--line);border-radius:3px;
  color:var(--faint);background:rgba(7,18,14,.7);
}
.cmdbar__toggle{
  display:none;align-items:center;gap:8px;height:36px;padding:0 12px;
  border:1px solid var(--line);border-radius:2px;
  font-size:12.5px;letter-spacing:.1em;color:var(--text);
  transition:border-color .16s var(--ease),color .16s var(--ease);
}
.cmdbar__toggle:hover{border-color:var(--lime);color:var(--lime)}
.cmdbar__bars{position:relative;display:block;width:14px;height:10px}
.cmdbar__bars::before,.cmdbar__bars::after{
  content:"";position:absolute;left:0;right:0;height:1.5px;background:currentColor;
  transition:transform .18s var(--ease),top .18s var(--ease),bottom .18s var(--ease);
}
.cmdbar__bars::before{top:0}
.cmdbar__bars::after{bottom:0}
.cmdbar__toggle[aria-expanded="true"]{border-color:var(--lime);color:var(--lime)}
.cmdbar__toggle[aria-expanded="true"] .cmdbar__bars::before{top:4px;transform:rotate(45deg)}
.cmdbar__toggle[aria-expanded="true"] .cmdbar__bars::after{bottom:4.5px;transform:rotate(-45deg)}
.cmdbar__progress{
  position:absolute;left:0;bottom:-1px;display:block;width:100%;height:2px;
  background:linear-gradient(90deg,var(--lime),var(--lime-deep));
  transform:scaleX(0);transform-origin:0 50%;opacity:.85;pointer-events:none;
}

/* ---------- buttons / links / tags ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border:1px solid var(--line);border-radius:2px;
  font-size:13.5px;font-weight:600;letter-spacing:.06em;color:var(--text);
  background:transparent;
  transition:background .16s var(--ease),border-color .16s var(--ease),color .16s var(--ease),transform .16s var(--ease);
}
.btn--lime{background:var(--lime);border-color:var(--lime);color:#08130F}
.btn--lime:hover{background:var(--lime-deep);border-color:var(--lime-deep)}
.btn--ghost:hover{border-color:var(--lime);color:var(--lime)}
.btn--sm{height:34px;padding:0 12px;font-size:12px;letter-spacing:.08em}
.btn:active{transform:translateY(1px)}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--lime);font-size:13.5px;letter-spacing:.04em;
  border-bottom:1px solid transparent;padding-bottom:1px;
  transition:border-color .16s var(--ease),color .16s var(--ease);
}
.link-arrow::after{content:"→";transition:transform .16s var(--ease)}
.link-arrow:hover{border-bottom-color:var(--lime);color:var(--lime-deep)}
.link-arrow:hover::after{transform:translateX(3px)}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border:1px solid var(--line);border-radius:999px;
  font-size:11px;line-height:1.7;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);white-space:nowrap;
}
.tag--lime{background:var(--lime);border-color:var(--lime);color:#08130F;font-weight:700}
.tag--amber{border-color:rgba(255,162,58,.55);color:var(--amber)}
.tag--num{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.02em;text-transform:none}
.tag--filter{
  cursor:pointer;background:transparent;
  transition:background .16s var(--ease),border-color .16s var(--ease),color .16s var(--ease);
}
.tag--filter:hover{border-color:var(--lime-deep);color:var(--text)}
.tag--filter[aria-pressed="true"]{background:var(--lime);border-color:var(--lime);color:#08130F;font-weight:700}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--lime);
}
.eyebrow::before{content:"";width:22px;height:1px;background:currentColor;opacity:.6}

/* ---------- breadcrumb / prose ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding-block:16px;font-family:var(--font-mono);font-size:11.5px;
  letter-spacing:.06em;color:var(--faint);
}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li + li::before{content:"/";color:var(--line)}
.breadcrumb a{color:var(--muted);transition:color .16s var(--ease)}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb [aria-current="page"]{color:var(--text)}

.prose{max-width:68ch;font-size:16.5px;line-height:1.8;color:var(--text)}
.prose > * + *{margin-top:1.05em}
.prose h2{font-size:clamp(22px,2.4vw,30px);line-height:1.2;margin-top:2em}
.prose h3{font-size:18px;line-height:1.35;font-weight:700;margin-top:1.6em}
.prose strong{color:var(--lime);font-weight:600}
.prose ul{display:grid;gap:.45em}
.prose li{position:relative;padding-left:18px}
.prose li::before{content:"";position:absolute;left:0;top:.78em;width:6px;height:1px;background:var(--lime)}
.prose a{color:var(--lime);border-bottom:1px solid rgba(198,255,61,.35)}
.prose a:hover{border-bottom-color:var(--lime)}
.prose code{font-family:var(--font-mono);font-size:.9em;color:var(--amber);background:rgba(18,37,29,.9);padding:1px 5px;border-radius:2px}

/* ---------- panels / cards / media ---------- */
.panel{
  background:var(--panel);border:1px solid var(--line);border-radius:3px;
  padding:clamp(18px,2.4vw,28px);
}
.card{
  position:relative;display:block;
  background:var(--panel);border:1px solid var(--line);border-radius:3px;
  padding:clamp(16px,2.2vw,24px);
  transition:border-color .18s var(--ease),background .18s var(--ease),transform .18s var(--ease);
}
.card:hover,.card:focus-visible{border-color:var(--lime);background:#16291F;transform:translateY(-1px)}
.card__hint{
  display:inline-flex;align-items:center;gap:6px;margin-top:12px;
  font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--lime);
}
@media (hover:hover){
  .card__hint{opacity:0;transform:translateY(4px);transition:opacity .18s var(--ease),transform .18s var(--ease)}
  .card:hover .card__hint,.card:focus-visible .card__hint{opacity:1;transform:none}
}

.media{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:3px;
  background:linear-gradient(160deg,#12251D 0%,#07120E 72%);
  aspect-ratio:16/10;
}
.media--square{aspect-ratio:1/1}
.media--wide{aspect-ratio:21/9}
.media--tall{aspect-ratio:3/4}
.media img,.media video{
  width:100%;height:100%;object-fit:cover;
  filter:saturate(.55) contrast(1.06) brightness(.86);
}
.media__grid{
  position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:
    linear-gradient(90deg,rgba(198,255,61,.10) 1px,transparent 1px),
    linear-gradient(0deg,rgba(198,255,61,.06) 1px,transparent 1px);
  background-size:64px 64px;
}
.media__tag{
  position:absolute;left:0;top:0;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 10px;background:var(--lime);color:#08130F;
  font-family:var(--font-mono);font-size:11px;font-weight:700;letter-spacing:.06em;
}
.media__cap{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:14px;font-size:12px;line-height:1.5;color:var(--muted);
  background:linear-gradient(to top,rgba(7,18,14,.94),rgba(7,18,14,0));
}

/* ---------- data strip ---------- */
.strip{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:3px;overflow:hidden;
}
.strip__item{background:var(--ink-800);padding:16px clamp(12px,2vw,22px)}
.strip__label{
  display:block;font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--faint);margin-bottom:4px;
}
.strip__value{
  display:block;font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:clamp(20px,2.4vw,28px);line-height:1.2;letter-spacing:.02em;color:var(--text);
}

/* ---------- round rail ---------- */
.rail{
  position:sticky;top:calc(var(--header-h) + 16px);
  display:flex;flex-direction:column;gap:2px;
  padding-block:6px;border-left:1px solid var(--line);
}
.rail__link{
  display:flex;align-items:center;gap:8px;
  margin-left:-1px;padding:7px 10px;border-left:2px solid transparent;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.04em;color:var(--faint);
  transition:color .16s var(--ease),border-color .16s var(--ease),background .16s var(--ease);
}
.rail__link:hover{color:var(--text)}
.rail__link[aria-current="true"]{color:var(--lime);border-left-color:var(--lime);background:rgba(198,255,61,.07)}

/* ---------- grids ---------- */
.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))}
.grid--7-4{grid-template-columns:minmax(0,7fr) minmax(0,4fr)}
.grid--8-3{grid-template-columns:minmax(0,8fr) minmax(0,3fr)}

/* ---------- filter / reveal states ---------- */
[data-filter-item]{transition:opacity .18s var(--ease),filter .18s var(--ease)}
[data-filter-item].is-muted{opacity:.26;filter:grayscale(.5)}

@media (prefers-reduced-motion:no-preference){
  .js [data-reveal]{
    opacity:0;transform:translateY(14px);
    transition:opacity .24s var(--ease),transform .24s var(--ease);
    transition-delay:var(--d,0ms);
  }
  .js [data-reveal].is-in{opacity:1;transform:none}
}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink-800);
  border-top:1px solid var(--line);
  padding-top:clamp(36px,5.5vw,68px);
}
.foot-top{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;
  padding-bottom:26px;border-bottom:1px solid var(--line);
}
.foot-tagline{margin-top:10px;max-width:22em;color:var(--muted);font-size:13.5px;letter-spacing:.02em}
.foot-scale{
  display:block;width:min(240px,42vw);height:16px;
  background-image:repeating-linear-gradient(to right,var(--line) 0 1px,transparent 1px 12px);
  background-repeat:repeat-x;background-position:left bottom;background-size:100% 8px;
  border-bottom:1px solid var(--line);position:relative;
}
.foot-scale::after{
  content:"";position:absolute;right:0;bottom:0;width:1px;height:16px;background:var(--lime);
}
.foot-grid{
  display:grid;grid-template-columns:1fr 1fr 1.5fr;
  gap:clamp(24px,4vw,56px);
  padding-block:clamp(26px,3.6vw,44px);
}
.foot-col{min-width:0}
.foot-title{
  font-family:var(--font-mono);font-size:11px;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;color:var(--faint);
  margin-bottom:14px;
}
.foot-list{display:grid;gap:9px}
.foot-list a{
  display:inline-block;color:var(--muted);font-size:13.5px;letter-spacing:.02em;
  transition:color .16s var(--ease),transform .16s var(--ease);
}
.foot-list a:hover{color:var(--lime);transform:translateX(2px)}
.foot-contact{display:grid;grid-template-columns:max-content minmax(0,1fr);gap:9px 16px}
.foot-contact dt{font-size:11.5px;letter-spacing:.1em;color:var(--faint);padding-top:2px}
.foot-contact dd{font-size:13px;line-height:1.5;color:var(--text);overflow-wrap:anywhere}
.foot-note{
  border-top:1px solid var(--line);
  padding-block:18px;
  font-size:12.5px;line-height:1.6;color:var(--faint);
}
.foot-legal{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);
  padding-block:16px 26px;
  font-size:12px;color:var(--faint);
}
.foot-legal .num{font-size:12px}

/* ---------- responsive ---------- */
@media (max-width:1180px) and (min-width:901px){
  .nav-index__link{font-size:12.5px;padding:0 8px}
  .nav-index__link::after{left:8px;right:8px}
  .cmdbar__search-label{display:none}
  .cmdbar__search{padding:0 8px}
}
@media (max-width:900px){
  .cmdbar__toggle{display:inline-flex}
  .cmdbar__search{display:none}
  .nav-index{
    position:absolute;top:100%;left:0;right:0;z-index:95;
    display:none;flex-direction:column;justify-content:flex-start;
    background:var(--ink-800);
    border-bottom:1px solid var(--line);
    box-shadow:0 28px 44px -28px rgba(0,0,0,.9);
    max-height:calc(100dvh - var(--header-h));
    overflow:auto;
  }
  .nav-index[data-open]{display:flex}
  .nav-index__list{flex-direction:column;align-items:stretch;gap:0;padding:6px 0}
  .nav-index__link{
    height:auto;align-items:center;
    padding:14px clamp(16px,4vw,24px);
    font-size:15px;
    border-bottom:1px solid rgba(30,58,46,.6);
  }
  .nav-index__link::after{display:none}
  .nav-index__link[aria-current="page"]{color:var(--lime);background:rgba(198,255,61,.06)}
  .nav-index__link[aria-current="page"] .nav-index__num{color:var(--lime)}
  .nav-index__num{font-size:11px}
  .grid--7-4,.grid--8-3{grid-template-columns:1fr}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rail{position:static;flex-direction:row;flex-wrap:wrap;border-left:0;border-top:1px solid var(--line);padding-top:10px}
  .rail__link{border-left:0;border-bottom:2px solid transparent;margin-left:0}
  .rail__link[aria-current="true"]{border-left:0;border-bottom-color:var(--lime)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .foot-col--contact{grid-column:1 / -1}
}
@media (max-width:640px){
  :root{--header-h:58px}
  .brand__word{font-size:16px;letter-spacing:.1em}
  .foot-grid{grid-template-columns:1fr}
  .grid--2,.grid--3{grid-template-columns:1fr}
  .foot-top{align-items:flex-start}
  .foot-scale{width:100%}
  .foot-legal{font-size:11.5px}
  .strip__item{padding:14px 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;
  }
  .js [data-reveal]{opacity:1;transform:none}
}