:root{
  --bg:#071816;
  --bg2:#0b2320;
  --bg3:#0e2a32;
  --panel:#102724;
  --line:rgba(169,255,224,.14);
  --text:#ecfff9;
  --muted:#9ec8c2;
  --green:#4ff2a3;
  --green2:#9cff74;
  --blue:#4cb7ff;
  --blue2:#6bd6ff;
  --gold:#f6d77b;
  --gold2:#ffe7a8;
  --shadow:0 18px 42px rgba(0,0,0,.28);
  --radius:24px;
  --max:1220px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--text);
  font-family:Segoe UI,Arial,sans-serif;
  background:
    radial-gradient(circle at 10% 8%, rgba(79,242,163,.12), transparent 24%),
    radial-gradient(circle at 88% 10%, rgba(76,183,255,.14), transparent 26%),
    radial-gradient(circle at 50% 100%, rgba(246,215,123,.08), transparent 30%),
    linear-gradient(180deg,var(--bg),var(--bg2) 58%, #061310 100%);
}
a{color:inherit;text-decoration:none}
.shell{max-width:var(--max);margin:0 auto;padding:0 24px}
.topbar{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(10px);
  background:rgba(7,24,22,.76);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  min-height:76px;gap:16px
}
.brand{
  display:flex;align-items:center;gap:14px;font-weight:700;letter-spacing:.2px
}
.brand-mark-wrap{
  width:48px;height:48px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:
    radial-gradient(circle at 30% 28%, rgba(79,242,163,.15), transparent 30%),
    radial-gradient(circle at 72% 30%, rgba(76,183,255,.16), transparent 26%),
    radial-gradient(circle at 56% 78%, rgba(246,215,123,.16), transparent 24%),
    linear-gradient(135deg,#14322d,#123238,#102420);
  box-shadow:0 0 0 1px var(--line),0 0 36px rgba(79,242,163,.16);
  overflow:hidden;
  flex:0 0 auto;
}
.brand-sigil{
  width:40px;height:40px;display:block;object-fit:contain;
}
.brand small{display:block;color:var(--muted);font-weight:500}
.nav-links{display:flex;flex-wrap:wrap;gap:10px}
.nav-links a{
  padding:10px 14px;border-radius:999px;color:var(--muted);
  border:1px solid transparent;transition:all .18s ease
}
.nav-links a:hover,.nav-links a.active{
  color:var(--text);
  border-color:var(--line);
  background:rgba(255,255,255,.035)
}
.hero{padding:68px 0 42px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
.panel{
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  background:linear-gradient(180deg, rgba(16,39,36,.96), rgba(12,28,30,.96));
}
.hero-card{padding:32px}
.eyebrow{
  display:inline-flex;gap:8px;align-items:center;
  color:var(--gold2);font-size:13px;font-weight:700;
  text-transform:uppercase;letter-spacing:.65px
}
.hero-sigil{
  width:96px;height:96px;display:block;margin:0 0 14px 0;object-fit:contain;
  filter:drop-shadow(0 0 18px rgba(79,242,163,.14));
}
h1{
  margin:14px 0 16px;
  font-size:clamp(40px,6vw,72px);
  line-height:1.01;letter-spacing:-1.8px
}
h2{margin:0;font-size:clamp(28px,4vw,42px);letter-spacing:-.6px}
h3{margin:0 0 12px;font-size:22px}
.lead{color:var(--muted);font-size:clamp(17px,2.1vw,21px);line-height:1.68;max-width:760px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.btn{
  min-height:48px;display:inline-flex;align-items:center;justify-content:center;
  padding:0 18px;border-radius:999px;font-weight:700;
  border:1px solid var(--line);transition:transform .15s ease
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{
  color:#07211b;border:none;
  background:linear-gradient(135deg,var(--green),var(--blue2) 62%, var(--gold2));
}
.btn-secondary{background:rgba(255,255,255,.03);color:var(--text)}
.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;height:100%}
.metric{padding:18px;border-radius:18px;background:rgba(255,255,255,.032);border:1px solid var(--line)}
.metric strong{display:block;font-size:29px;line-height:1.04;margin-bottom:6px}
.metric span{display:block;color:var(--muted);font-size:14px;line-height:1.45}
.section{padding:18px 0 12px}
.section-head{display:flex;justify-content:space-between;gap:16px;align-items:end;margin-bottom:18px}
.section-head p{margin:0;color:var(--muted);max-width:760px;line-height:1.66}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.card{
  padding:22px;border-radius:22px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);box-shadow:var(--shadow)
}
.card p,.card li{color:var(--muted);line-height:1.65}
.card ul{padding-left:18px;margin:10px 0 0}
.tree-card{
  background:
    radial-gradient(circle at 85% 14%, rgba(79,242,163,.11), transparent 28%),
    radial-gradient(circle at 18% 84%, rgba(76,183,255,.10), transparent 24%),
    linear-gradient(180deg, rgba(17,41,38,.96), rgba(11,25,30,.96));
}
.tree-label{
  display:inline-block;padding:6px 10px;border-radius:999px;border:1px solid var(--line);
  color:var(--gold2);font-size:12px;text-transform:uppercase;letter-spacing:.6px
}
.tree-link{display:inline-block;margin-top:14px;font-weight:700;color:var(--green)}
.band{
  margin:26px 0 0;padding:20px;border-radius:22px;border:1px solid var(--line);
  background:linear-gradient(90deg, rgba(79,242,163,.07), rgba(76,183,255,.07), rgba(246,215,123,.06))
}
.band strong{display:block;font-size:22px;margin-bottom:8px}
.kpi-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:10px}
.kpi{padding:16px;border-radius:16px;border:1px solid var(--line);background:rgba(255,255,255,.03)}
.kpi b{display:block;font-size:22px;margin-bottom:6px}
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.video-tile{
  aspect-ratio:16/10;border-radius:18px;border:1px dashed rgba(169,255,224,.22);
  display:flex;align-items:center;justify-content:center;text-align:center;
  padding:14px;color:var(--muted);
  background:linear-gradient(180deg, rgba(79,242,163,.03), rgba(76,183,255,.03))
}
.notice{
  padding:14px 16px;border-radius:16px;background:rgba(246,215,123,.07);
  border:1px solid rgba(246,215,123,.18);color:#ffe9b7
}
.list-clean{list-style:none;padding-left:0;margin:0}
.list-clean li{padding:10px 0;border-bottom:1px solid rgba(255,255,255,.06)}
.list-clean li:last-child{border-bottom:none}
.code-pill{
  display:inline-block;padding:7px 10px;border-radius:999px;border:1px solid var(--line);
  color:var(--muted);font-size:12px;margin:0 8px 8px 0
}
.footer{margin-top:34px;padding:34px 0 50px;border-top:1px solid var(--line);color:var(--muted)}
.footer-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}
.small{font-size:13px;color:var(--muted);line-height:1.55}
@media (max-width: 980px){
  .hero-grid,.grid-3,.grid-2,.footer-grid,.video-grid,.kpi-strip{grid-template-columns:1fr}
  .metric-grid{grid-template-columns:1fr 1fr}
}
@media (max-width: 620px){
  .nav{align-items:flex-start;padding:12px 0}
  .metric-grid{grid-template-columns:1fr}
  .hero{padding-top:38px}
}