:root{
  --bg:#0B1220;
  --panel:#0F1A2E;
  --panel2:#101B30;
  --text:#EAF0FF;
  --muted:rgba(234,240,255,.72);
  --muted2:rgba(234,240,255,.58);
  --border:rgba(255,255,255,.10);
  --shadow:0 18px 60px rgba(2,6,23,.35);
  --radius:18px;
  --accent:#7C5CFF;
  --accent2:#34D399;
  --focus:rgba(124,92,255,.35);
  --max:1180px;
}

/* Light theme overrides */
html[data-theme="light"]{
  --bg:#F6F7FB;
  --panel:#FFFFFF;
  --panel2:#F2F4FA;
  --text:#0E1726;
  --muted:rgba(14,23,38,.72);
  --muted2:rgba(14,23,38,.58);
  --border:rgba(15,23,42,.10);
  --shadow:0 18px 50px rgba(2,6,23,.10);
  --focus:rgba(124,92,255,.22);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  background:radial-gradient(1200px 600px at 15% -5%, rgba(124,92,255,.30), transparent 60%),
             radial-gradient(900px 480px at 95% 10%, rgba(52,211,153,.18), transparent 60%),
             var(--bg);
  color:var(--text);
  line-height:1.55;
}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}

.skip{
  position:absolute;left:-999px;top:10px;
  background:var(--panel);border:1px solid var(--border);
  padding:10px 12px;border-radius:12px;box-shadow:var(--shadow)
}
.skip:focus{left:10px;outline:none;box-shadow:0 0 0 4px var(--focus), var(--shadow)}

/* Topbar */
.topbar{
  position:sticky;top:0;z-index:50;
  backdrop-filter:saturate(180%) blur(14px);
  background:linear-gradient(to bottom, rgba(11,18,32,.78), rgba(11,18,32,.52));
  border-bottom:1px solid var(--border);
}
html[data-theme="light"] .topbar{background:linear-gradient(to bottom, rgba(246,247,251,.85), rgba(246,247,251,.62));}

.topbar__inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px}

.brand{display:flex;align-items:center;gap:12px;min-width:220px}
.brand__logo{height:24px;width:auto;filter:drop-shadow(0 10px 20px rgba(0,0,0,.12))}
.brand__meta{font-size:12px;color:var(--muted2)}

.nav{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.nav__link{font-size:13px;color:var(--muted);padding:10px 10px;border-radius:12px}
.nav__link:hover{background:rgba(255,255,255,.06)}
html[data-theme="light"] .nav__link:hover{background:rgba(15,23,42,.06)}

.actions{display:flex;align-items:center;gap:10px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:11px 14px;border-radius:14px;border:1px solid var(--border);
  background:rgba(255,255,255,.06);
  font-weight:600;font-size:13px;
  transition:transform .12s ease, background .12s ease, border-color .12s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn--primary{
  background:linear-gradient(135deg, rgba(124,92,255,.95), rgba(124,92,255,.70));
  border-color:rgba(124,92,255,.55);
}
.btn--primary:hover{background:linear-gradient(135deg, rgba(124,92,255,1), rgba(124,92,255,.78))}
.btn--ghost{background:transparent}
.btn--full{width:100%}

.iconbtn{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:14px;border:1px solid var(--border);
  background:transparent;color:var(--muted);
}
.iconbtn:hover{background:rgba(255,255,255,.06)}
html[data-theme="light"] .iconbtn:hover{background:rgba(15,23,42,.06)}
.iconbtn__dot{width:10px;height:10px;border-radius:999px;background:var(--accent);box-shadow:0 0 0 4px rgba(124,92,255,.18)}
.iconbtn__text{font-weight:600;font-size:13px}

.burger{display:none;appearance:none;border:1px solid var(--border);background:transparent;border-radius:14px;padding:10px;cursor:pointer}
.burger span{display:block;width:18px;height:2px;background:var(--text);opacity:.85;margin:4px 0;border-radius:4px}

.mobile{border-bottom:1px solid var(--border);background:rgba(0,0,0,.10)}
html[data-theme="light"] .mobile{background:rgba(255,255,255,.65)}
.mobile__inner{padding:12px 20px 18px;display:grid;gap:10px}
.mobile__link{padding:10px 12px;border-radius:14px;border:1px solid var(--border);background:rgba(255,255,255,.05);color:var(--muted)}
html[data-theme="light"] .mobile__link{background:rgba(15,23,42,.04)}
.mobile__cta{display:grid;gap:10px;margin-top:6px}

/* Hero */
.hero{position:relative;padding:56px 0 24px}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:stretch}

.eyebrow{color:var(--muted2);font-size:12px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:10px}
.h1{font-size:44px;line-height:1.06;letter-spacing:-.03em}
.lead{margin-top:14px;color:var(--muted);font-size:16px;max-width:52ch}

.hero__cta{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}

.hero__facts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}
.fact{border:1px solid var(--border);background:rgba(255,255,255,.04);border-radius:16px;padding:12px}
html[data-theme="light"] .fact{background:rgba(15,23,42,.03)}
.fact__k{font-size:12px;color:var(--muted2);letter-spacing:.06em;text-transform:uppercase}
.fact__v{margin-top:6px;font-weight:600}

.hero__panel{display:flex;align-items:stretch}
.panel{
  width:100%;
  border:1px solid var(--border);
  border-radius:22px;
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  box-shadow:var(--shadow);
  padding:16px;
  position:relative;
  overflow:hidden;
}
html[data-theme="light"] .panel{background:linear-gradient(180deg, rgba(255,255,255,1), rgba(242,244,250,1));}
.panel:before{
  content:"";
  position:absolute;inset:-40px;
  background:radial-gradient(700px 380px at 30% 20%, rgba(124,92,255,.22), transparent 60%),
             radial-gradient(700px 380px at 80% 60%, rgba(52,211,153,.14), transparent 60%);
  filter:blur(0px);
  opacity:.9;
}
.panel>*{position:relative}

.panel__top{display:flex;gap:8px;flex-wrap:wrap}
.pill{font-size:12px;color:var(--muted);border:1px solid var(--border);background:rgba(0,0,0,.10);padding:7px 10px;border-radius:999px}
html[data-theme="light"] .pill{background:rgba(15,23,42,.04)}
.pill--muted{color:var(--muted2)}

.panel__grid{margin-top:14px;display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.node{border:1px solid var(--border);background:rgba(255,255,255,.05);border-radius:16px;padding:12px;transform:translateZ(0);animation:floaty 7s ease-in-out infinite}
.node:nth-child(2){animation-delay:.7s}
.node:nth-child(3){animation-delay:1.2s}
.node:nth-child(4){animation-delay:1.8s}
.node:nth-child(5){animation-delay:2.3s}
.node:nth-child(6){animation-delay:2.9s}
html[data-theme="light"] .node{background:rgba(15,23,42,.03)}
.node__title{font-weight:700}
.node__desc{margin-top:6px;color:var(--muted);font-size:13px}
.node--ghost{border-style:dashed;color:var(--muted2)}

.panel__bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px;flex-wrap:wrap}
.link{color:var(--text);font-weight:700}
.link:hover{text-decoration:underline}

@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}

.hero__fade{position:absolute;left:0;right:0;bottom:-1px;height:40px;background:linear-gradient(to bottom, transparent, var(--bg))}

/* Sections */
.section{padding:54px 0}
.section--alt{background:linear-gradient(180deg, transparent, rgba(255,255,255,.03), transparent)}
html[data-theme="light"] .section--alt{background:linear-gradient(180deg, transparent, rgba(15,23,42,.03), transparent)}

.section__head{max-width:74ch;margin-bottom:20px}
.section__head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;max-width:none}
.h2{font-size:28px;letter-spacing:-.02em}
.h3{font-size:16px;letter-spacing:-.01em}
.sub{margin-top:10px;color:var(--muted)}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.two{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:14px}

.card{
  border:1px solid var(--border);
  border-radius:18px;
  background:var(--panel);
  box-shadow:0 10px 30px rgba(2,6,23,.10);
  padding:16px;
}

.list{margin-top:10px;display:grid;gap:8px;padding-left:18px;color:var(--muted)}

.callout{
  margin-top:14px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:14px;
  border:1px solid var(--border);
  border-radius:22px;
  background:linear-gradient(135deg, rgba(124,92,255,.15), rgba(52,211,153,.10));
  padding:16px;
}
html[data-theme="light"] .callout{background:linear-gradient(135deg, rgba(124,92,255,.10), rgba(52,211,153,.07))}
.callout__right{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.metric{border:1px solid var(--border);border-radius:16px;background:rgba(0,0,0,.10);padding:12px}
html[data-theme="light"] .metric{background:rgba(255,255,255,.85)}
.metric__k{font-size:12px;color:var(--muted2);text-transform:uppercase;letter-spacing:.08em}
.metric__v{font-size:22px;font-weight:800;margin-top:4px}
.metric__d{margin-top:6px;color:var(--muted);font-size:13px}

.diagram{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}
.diagcard{border:1px solid var(--border);border-radius:20px;background:var(--panel);padding:14px}
.diagcard--core{background:linear-gradient(180deg, rgba(124,92,255,.18), rgba(255,255,255,.02))}
html[data-theme="light"] .diagcard--core{background:linear-gradient(180deg, rgba(124,92,255,.10), rgba(255,255,255,1))}
.diagcard__t{font-weight:800}
.diagcard__p{margin-top:6px;color:var(--muted);font-size:13px}

.chips{margin-top:10px;display:flex;flex-wrap:wrap;gap:8px}
.chip{font-size:12px;border:1px solid var(--border);background:rgba(255,255,255,.05);padding:7px 10px;border-radius:999px;color:var(--muted)}
html[data-theme="light"] .chip{background:rgba(15,23,42,.04)}
.chip--ghost{border-style:dashed;color:var(--muted2)}

.coregrid{margin-top:10px;display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.coreitem{border:1px solid var(--border);border-radius:16px;padding:12px;background:rgba(0,0,0,.10);font-weight:700}
html[data-theme="light"] .coreitem{background:rgba(255,255,255,.85)}

.note{margin-top:14px;border:1px solid var(--border);border-radius:18px;padding:14px;background:rgba(255,255,255,.04);color:var(--muted)}
html[data-theme="light"] .note{background:rgba(15,23,42,.03)}

/* Modules */
.filters{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.pillbtn{border:1px solid var(--border);background:transparent;color:var(--muted);padding:9px 12px;border-radius:999px;font-weight:700;font-size:12px;cursor:pointer}
.pillbtn:hover{background:rgba(255,255,255,.06)}
html[data-theme="light"] .pillbtn:hover{background:rgba(15,23,42,.06)}
.pillbtn.is-active{background:rgba(124,92,255,.18);border-color:rgba(124,92,255,.45);color:var(--text)}

.modules{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:14px}
.mcard{border:1px solid var(--border);border-radius:18px;background:var(--panel);padding:14px;min-height:150px;display:flex;flex-direction:column;gap:10px}
.mcard__t{font-weight:900;letter-spacing:-.01em}
.mcard__p{color:var(--muted);font-size:13px}
.mcard__f{margin-top:auto;color:var(--muted2);font-size:12px}
.mcard.is-hidden{display:none}

/* Steps */
.steps{display:grid;gap:10px}
.step{display:grid;grid-template-columns:64px 1fr;gap:12px;align-items:start;border:1px solid var(--border);border-radius:18px;background:var(--panel);padding:14px}
.step__n{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;font-weight:900;background:rgba(124,92,255,.18);border:1px solid rgba(124,92,255,.35)}

/* Pricing */
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}
.pcard{border:1px solid var(--border);border-radius:22px;background:var(--panel);padding:16px}
.pcard__t{font-weight:900;font-size:16px}
.pcard__p{margin-top:6px;color:var(--muted)}
.pcard--hi{background:linear-gradient(180deg, rgba(124,92,255,.18), rgba(255,255,255,.02));border-color:rgba(124,92,255,.40)}
html[data-theme="light"] .pcard--hi{background:linear-gradient(180deg, rgba(124,92,255,.10), rgba(255,255,255,1))}
.pcard__f{margin-top:10px;color:var(--muted2);font-size:12px}

/* Demo */
.demo{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
.demo__cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}

.form label{display:grid;gap:8px;margin-top:10px}
.form input,.form textarea{
  width:100%;
  padding:12px 12px;
  border-radius:14px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.05);
  color:var(--text);
}
html[data-theme="light"] .form input, html[data-theme="light"] .form textarea{background:#fff}
.form input:focus,.form textarea:focus{outline:none;box-shadow:0 0 0 4px var(--focus)}
.form__out{display:block;margin-top:12px;color:var(--muted)}

.small{font-size:12px}
.muted{color:var(--muted)}

.footnote{margin-top:14px;border:1px solid var(--border);border-radius:22px;background:rgba(255,255,255,.04);padding:16px;color:var(--muted)}
html[data-theme="light"] .footnote{background:rgba(15,23,42,.03)}

/* Footer */
.footer{padding:34px 0;border-top:1px solid var(--border)}
.footer__grid{display:grid;grid-template-columns:1fr 1.2fr;gap:16px;align-items:start}
.footer__brand{display:flex;gap:12px;align-items:center}
.footer__cols{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.footer__h{font-weight:900;margin-bottom:8px}
.footer__a{display:block;color:var(--muted);padding:6px 0}
.footer__a:hover{color:var(--text);text-decoration:underline}

/* Responsive */
@media (max-width: 980px){
  .hero__grid{grid-template-columns:1fr;}
  .hero__facts{grid-template-columns:1fr}
  .panel__grid{grid-template-columns:1fr}
  .grid3{grid-template-columns:1fr}
  .grid2,.two{grid-template-columns:1fr}
  .diagram{grid-template-columns:1fr}
  .modules{grid-template-columns:repeat(2,1fr)}
  .pricing{grid-template-columns:1fr}
  .demo{grid-template-columns:1fr}
  .section__head--row{flex-direction:column;align-items:flex-start}
  .filters{justify-content:flex-start}
}

@media (max-width: 860px){
  .nav{display:none}
  .burger{display:inline-block}
}

@media (max-width: 420px){
  .h1{font-size:34px}
  .topbar__inner{height:auto;padding:10px 0}
  .brand{min-width:auto}
}