:root{
  --c-night:#0B1F17;
  --c-charcoal:#111417;
  --c-matrix:#123328;
  --c-lime:#C6FF3D;
  --c-lime-soft:rgba(198,255,61,.09);
  --c-white:#F2F5F0;
  --c-mist:#9AA8A0;
  --c-red:#C4574B;
  --c-amber:#E3B341;
  --c-steel:#6F8F85;
  --c-glass:#16241E;
  --line:rgba(111,143,133,.24);
  --line-strong:rgba(111,143,133,.48);
  --font-sans:"Source Han Sans SC","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",Consolas,"Liberation Mono","Courier New",monospace;
  --header-h:74px;
  --radius-pill:999px;
  --radius-md:18px;
  --radius-lg:28px;
  --radius-xl:40px;
  --gutter:24px;
  --maxw:1320px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-night);
  color:var(--c-white);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6{margin:0 0 .55em;font-weight:800;line-height:1.22;letter-spacing:-.01em;color:var(--c-white)}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--c-lime);text-decoration:none}
a:hover{color:var(--c-white)}
img{max-width:100%;display:block}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:3px;border-radius:8px}
::selection{background:var(--c-lime);color:var(--c-night)}

.skip-link{
  position:absolute;left:16px;top:-70px;z-index:120;
  padding:10px 20px;border-radius:0 0 var(--radius-md) var(--radius-md);
  background:var(--c-lime);color:var(--c-night);font-weight:700;font-size:14px;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:0;color:var(--c-night)}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.page-shell{padding-top:calc(var(--header-h) + 32px)}
.section{padding:64px 0}
.section--tight{padding:40px 0}
.section--air{padding:104px 0}

.display-1{font-size:clamp(2.6rem,7.6vw,7rem);font-weight:800;line-height:1.02;letter-spacing:-.03em}
.display-2{font-size:clamp(1.9rem,4.4vw,3.4rem);font-weight:800;line-height:1.12;letter-spacing:-.02em}
.display-3{font-size:clamp(1.35rem,2.5vw,2rem);font-weight:800;line-height:1.3}
.lede{font-size:clamp(1.02rem,1.55vw,1.22rem);line-height:1.8;color:var(--c-mist)}
.eyebrow{
  display:inline-block;margin:0 0 14px;
  font-family:var(--font-mono);font-size:11px;font-weight:500;
  letter-spacing:.26em;text-transform:uppercase;color:var(--c-lime);
}
.label{font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--c-mist)}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.divider{height:1px;border:0;background:var(--line);margin:28px 0}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border:1px solid transparent;border-radius:var(--radius-pill);
  font-size:14px;font-weight:600;line-height:1.2;letter-spacing:.02em;
  text-decoration:none;cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),background-color .2s,color .2s,border-color .2s;
}
.btn:hover{transform:translateY(-1px)}
.btn--primary{background:var(--c-lime);color:var(--c-night)}
.btn--primary:hover{background:#d8ff77;color:var(--c-night)}
.btn--ghost{background:transparent;border-color:var(--line-strong);color:var(--c-white)}
.btn--ghost:hover{border-color:var(--c-lime);color:var(--c-lime)}
.btn--sm{padding:9px 18px;font-size:13px}

.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:4px;margin:0 0 22px;font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--c-mist)}
.breadcrumbs li{display:inline-flex;align-items:center}
.breadcrumbs li+li::before{content:"/";margin:0 10px;color:var(--c-steel)}
.breadcrumbs a{color:var(--c-mist)}
.breadcrumbs a:hover{color:var(--c-lime)}
.breadcrumbs [aria-current="page"]{color:var(--c-white)}

.grid{display:grid;gap:var(--gutter)}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}
.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-12{grid-column:span 12}

.card{
  position:relative;
  background:var(--c-matrix);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px;
}
.card--charcoal{background:var(--c-charcoal)}
.card--glass{background:var(--c-glass)}
.card--flat{background:transparent;border-style:dashed}
.card--lime{background:var(--c-lime);color:var(--c-night);border-color:transparent}

.stat{display:flex;flex-direction:column;gap:6px}
.stat-value{
  display:block;font-family:var(--font-mono);font-weight:700;
  font-size:clamp(2rem,4.2vw,3.4rem);line-height:1;letter-spacing:-.03em;
  color:var(--c-lime);font-variant-numeric:tabular-nums;
}
.stat-label{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--c-mist)}

.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border:1px solid var(--line-strong);border-radius:var(--radius-pill);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--c-mist);
}
.pill--lime{border-color:rgba(198,255,61,.55);background:var(--c-lime-soft);color:var(--c-lime)}
.pill--red{border-color:rgba(196,87,75,.6);color:var(--c-red)}
.pill--amber{border-color:rgba(227,179,65,.6);color:var(--c-amber)}

.media-frame{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:linear-gradient(150deg,var(--c-matrix) 0%,var(--c-charcoal) 70%,#0d1512 100%);
}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(11,31,23,0) 45%,rgba(11,31,23,.55) 100%);
}
.media-frame--16x9{aspect-ratio:16/9}
.media-frame--4x3{aspect-ratio:4/3}
.media-frame--1x1{aspect-ratio:1/1}
.media-frame--wide{aspect-ratio:21/9}

.side-rail{display:flex;flex-direction:column;gap:4px}
.rail-link{
  display:flex;align-items:center;gap:10px;
  padding:10px 14px;border-radius:var(--radius-pill);
  font-size:14px;color:var(--c-mist);
  border:1px solid transparent;
  transition:color .2s,background-color .2s,border-color .2s;
}
.rail-link:hover{color:var(--c-white);background:rgba(198,255,61,.06)}
.rail-link.is-active{color:var(--c-night);background:var(--c-lime);font-weight:700;border-color:transparent}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color .28s var(--ease),border-color .28s var(--ease),backdrop-filter .28s var(--ease);
}
.site-header[data-scrolled]{
  background:var(--c-glass);
  border-bottom-color:var(--line);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.progress-rail{position:absolute;top:0;left:0;right:0;height:2px;background:rgba(111,143,133,.18)}
.progress-bar{display:block;height:100%;width:0;background:var(--c-lime);transition:width .12s linear}

.header-inner{
  display:flex;align-items:center;gap:18px;
  min-height:var(--header-h);
  padding-top:10px;padding-bottom:10px;
}
.brand{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto;color:var(--c-white)}
.brand:hover{color:var(--c-white)}
.brand-mark{
  position:relative;flex:0 0 auto;width:30px;height:30px;
  border:2px solid var(--c-lime);border-radius:50%;
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;border-radius:50%;background:var(--c-lime);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:800;letter-spacing:.02em}
.brand-sub{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--c-mist);
}

.site-nav{display:flex;align-items:center;gap:16px;margin-left:auto}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-link{
  display:inline-block;padding:9px 14px;border-radius:var(--radius-pill);
  font-size:14px;font-weight:500;letter-spacing:.02em;color:var(--c-mist);white-space:nowrap;
  transition:color .2s,background-color .2s;
}
.nav-link:hover{color:var(--c-white);background:var(--c-lime-soft)}
.nav-link[aria-current="page"]{background:var(--c-lime);color:var(--c-night);font-weight:700}
.nav-actions{display:flex;align-items:center;gap:8px}
.nav-foot{display:none}

.nav-toggle{
  display:none;margin-left:auto;position:relative;
  width:44px;height:44px;flex:0 0 auto;
  border:1px solid var(--line-strong);border-radius:var(--radius-pill);
  background:rgba(22,36,30,.7);cursor:pointer;
  transition:border-color .2s,background-color .2s;
}
.nav-toggle:hover{border-color:var(--c-lime)}
.nav-toggle-bars{
  position:absolute;top:50%;left:50%;width:18px;height:2px;border-radius:2px;
  background:var(--c-white);transform:translate(-50%,-50%);
  transition:background-color .2s;
}
.nav-toggle-bars::before,
.nav-toggle-bars::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;
  background:var(--c-white);
  transition:transform .24s var(--ease),opacity .2s;
}
.nav-toggle-bars::before{top:-6px}
.nav-toggle-bars::after{top:6px}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after{transform:translateY(-6px) rotate(-45deg)}

/* ===== Footer ===== */
.site-footer{
  position:relative;margin-top:80px;
  background:var(--c-charcoal);
  border-top:1px solid var(--line);
  padding:56px 0 30px;
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;width:132px;height:3px;background:var(--c-lime);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr repeat(4,minmax(0,1fr));
  gap:40px 28px;
  align-items:start;
}
.footer-brand{display:flex;flex-direction:column;gap:14px}
.footer-line{margin:0;font-size:14px;line-height:1.7;color:var(--c-mist);max-width:26ch}
.footer-env{
  display:inline-flex;align-items:center;gap:8px;margin:0;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--c-steel);
}
.footer-env-dot{
  width:7px;height:7px;border-radius:50%;background:var(--c-lime);
  box-shadow:0 0 0 4px rgba(198,255,61,.14);flex:0 0 auto;
}
.footer-heading{
  margin:0 0 16px;font-size:12px;font-weight:700;letter-spacing:.22em;
  text-transform:uppercase;color:var(--c-white);
}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-link{font-size:14px;color:var(--c-mist);transition:color .2s}
.footer-link:hover{color:var(--c-lime)}
.footer-base{
  margin-top:48px;padding-top:26px;border-top:1px solid var(--line);
  display:flex;align-items:flex-start;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.footer-base-main{max-width:520px}
.footer-copy{margin:0 0 6px;font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--c-mist)}
.footer-note{margin:0;font-size:12px;line-height:1.7;color:var(--c-steel)}
.footer-contact{display:flex;flex-wrap:wrap;gap:10px 28px}
.footer-contact li{display:flex;flex-direction:column;gap:2px}
.footer-contact-label{font-family:var(--font-mono);font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--c-steel)}
.footer-contact-value{font-family:var(--font-mono);font-size:13px;color:var(--c-white);word-break:break-all}

.back-to-top{
  position:fixed;right:20px;bottom:24px;z-index:70;
  width:46px;height:46px;display:grid;place-items:center;
  border:1px solid rgba(198,255,61,.45);border-radius:50%;
  background:var(--c-glass);color:var(--c-lime);cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s,border-color .2s;
}
.back-to-top::before{
  content:"";width:10px;height:10px;
  border-left:2px solid currentColor;border-top:2px solid currentColor;
  transform:translateY(3px) rotate(45deg);border-radius:2px;
}
.back-to-top:hover{border-color:var(--c-lime);background:var(--c-matrix)}
.back-to-top.is-visible{opacity:1;visibility:visible;transform:none}

/* ===== Tablet ===== */
@media (max-width:1080px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px 24px}
  .footer-brand{grid-column:span 2}
  .col-3,.col-4,.col-5{grid-column:span 6}
  .col-7,.col-8{grid-column:span 12}
}

/* ===== Mobile nav ===== */
@media (max-width:960px){
  .nav-toggle{display:block}
  .header-inner{gap:12px}
  .brand-name{font-size:15px}
  .site-nav{
    position:fixed;left:16px;right:16px;top:calc(var(--header-h) + 10px);
    display:flex;flex-direction:column;align-items:stretch;gap:14px;
    padding:20px;margin-left:0;
    background:var(--c-glass);
    border:1px solid var(--line-strong);
    border-radius:var(--radius-lg);
    box-shadow:0 26px 64px rgba(0,0,0,.55);
    max-height:calc(100vh - var(--header-h) - 40px);
    overflow-y:auto;
    opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-14px);
    transition:opacity .22s var(--ease),transform .26s var(--ease),visibility .22s;
  }
  .site-nav[data-open]{opacity:1;visibility:visible;pointer-events:auto;transform:none}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{display:block;padding:13px 16px;font-size:15px;border-radius:var(--radius-md)}
  .nav-actions{flex-direction:column;align-items:stretch;gap:10px}
  .nav-actions .btn{width:100%}
  .nav-foot{
    display:flex;flex-direction:column;gap:2px;
    padding:14px 16px;border:1px solid var(--line);border-radius:var(--radius-md);
    background:rgba(11,31,23,.6);
    font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
    color:var(--c-steel);
  }
  .nav-foot-value{color:var(--c-lime);letter-spacing:.06em}
}

/* ===== Small mobile ===== */
@media (max-width:720px){
  :root{--gutter:18px;--header-h:66px}
  body{font-size:15.5px;line-height:1.78}
  .section{padding:52px 0}
  .section--air{padding:68px 0}
  .grid--12{grid-template-columns:repeat(6,minmax(0,1fr))}
  .col-3,.col-4,.col-5,.col-6,.col-7,.col-8,.col-12{grid-column:span 6}
  .card{padding:22px;border-radius:var(--radius-md)}
  .media-frame{border-radius:var(--radius-md)}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-brand{grid-column:span 1}
  .footer-base{margin-top:34px;flex-direction:column;gap:22px}
  .back-to-top{right:14px;bottom:16px;width:42px;height:42px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .reveal{opacity:1;transform:none}
  .back-to-top{transition:none}
}