:root{
  --bg:#0f172a;
  --bg-deep:#0b1120;
  --panel:#121933;
  --panel-2:#171f3f;
  --soft:#eef3ff;
  --text:#0f172a;
  --muted:#64748b;
  --brand:#4f46e5;
  --brand-2:#7c3aed;
  --line:#e5e7eb;
  --radius:22px;
  --shadow:0 18px 60px rgba(15,23,42,.14);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--text);
  background:linear-gradient(180deg,#f7faff 0%,#eef3ff 100%);
}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.container{width:min(1180px,calc(100% - 32px));margin:0 auto}
.badge{
  display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;
  background:#eef2ff;color:#3730a3;font-weight:700;font-size:13px;border:1px solid #c7d2fe;
}
.soft-dark{background:rgba(255,255,255,.1)!important;border-color:rgba(255,255,255,.15)!important;color:#fff!important}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 20px;border-radius:14px;font-weight:700;border:1px solid transparent;transition:.2s ease;cursor:pointer}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 16px 30px rgba(79,70,229,.25)}
.btn-secondary{background:#fff;color:var(--text);border-color:#dbe3f3}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.18)}
.topbar{
  position:sticky;top:0;z-index:10;backdrop-filter:blur(12px);
  background:rgba(248,251,255,.82);border-bottom:1px solid rgba(203,213,225,.55)
}
.topbar .inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:16px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800}
.logo{
  width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand-2));
  display:grid;place-items:center;color:#fff;box-shadow:0 10px 28px rgba(79,70,229,.35)
}
.nav{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.nav a{padding:10px 12px;border-radius:12px;color:#334155;font-weight:600}
.nav a:hover,.nav a.active{background:#fff;box-shadow:0 6px 20px rgba(15,23,42,.08)}
.nav .nav-accent{background:#111827;color:#fff}
.hero{padding:74px 0 40px}
.hero-home{padding-top:84px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center}
.kicker{margin-bottom:18px}
.hero h1{font-size:clamp(36px,6vw,64px);line-height:1.02;margin:0 0 16px;font-weight:900;letter-spacing:-.03em}
.hero p{font-size:18px;line-height:1.7;color:#475569;max-width:740px;margin:0 0 26px}
.actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-card{
  background:linear-gradient(180deg,var(--bg),#182248);color:#fff;border-radius:30px;padding:26px;box-shadow:var(--shadow);position:relative;overflow:hidden
}
.premium-card:before,.premium-card:after{content:"";position:absolute;border-radius:50%;filter:blur(10px)}
.premium-card:before{width:280px;height:280px;background:rgba(124,58,237,.24);right:-80px;top:-60px}
.premium-card:after{width:220px;height:220px;background:rgba(16,185,129,.12);left:-80px;bottom:-90px}
.window{position:relative;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.09);border-radius:22px;padding:18px;margin-top:18px}
.glass-window{backdrop-filter:blur(8px)}
.window .dots{display:flex;gap:8px;margin-bottom:18px}.window .dots span{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.4)}
.mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.mini-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.08);padding:16px;border-radius:18px}
.mini-card strong{display:block;font-size:26px;margin-top:6px}
.section{padding:34px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:22px}
.section-head h2{font-size:clamp(28px,4vw,42px);margin:0;letter-spacing:-.02em}
.section-head p{margin:0;color:#64748b;max-width:720px;line-height:1.7}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:#fff;border:1px solid #e2e8f0;border-radius:24px;padding:22px;box-shadow:0 14px 40px rgba(15,23,42,.06)}
.card h3{margin:0 0 10px;font-size:22px}
.card p{margin:0;color:#64748b;line-height:1.7}
.icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,#eef2ff,#f5f3ff);color:#4338ca;margin-bottom:14px;font-size:18px;font-weight:900
}
.feature-list{display:grid;gap:12px;margin-top:18px}
.feature-item{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-top:1px dashed #e2e8f0}
.feature-item:first-child{border-top:0;padding-top:0}
.stat-band{background:linear-gradient(135deg,#0f172a,#1e293b);border-radius:28px;padding:26px;color:#fff}
.premium-band{box-shadow:0 16px 38px rgba(15,23,42,.18)}
.stat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);padding:18px;border-radius:22px}
.stat .label{color:#cbd5e1;font-size:13px;text-transform:uppercase;letter-spacing:.08em}.stat strong{display:block;font-size:34px;margin-top:8px}
.cta{padding:26px;border-radius:30px;background:linear-gradient(135deg,#111827,#312e81);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap}
.premium-cta{box-shadow:0 18px 42px rgba(17,24,39,.22)}
.footer{padding:34px 0 42px;color:#94a3b8;font-size:14px;background:#0f172a;margin-top:30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:22px}
.footer-grid h4{margin:0 0 10px;color:#fff}
.footer-grid a{display:block;color:#cbd5e1;margin:8px 0}
.footer-grid p{margin:10px 0 0;line-height:1.8;max-width:520px}
.footer-brand{font-size:20px;font-weight:800;color:#fff}
.hero-note{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px;font-size:14px}
.dark-note{color:#475569}
.dark-note span{background:#fff;border:1px solid #e2e8f0;padding:8px 12px;border-radius:999px;box-shadow:0 8px 18px rgba(15,23,42,.05)}
.screenshot{
  background:#fff;border:1px solid #dbe3f3;border-radius:24px;padding:20px;box-shadow:var(--shadow)
}
.soft-shadow{box-shadow:0 18px 44px rgba(15,23,42,.08)}
.shot-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;color:#64748b;font-size:13px;gap:10px;flex-wrap:wrap}
.shot-layout{display:grid;grid-template-columns:220px 1fr;gap:16px}
.shot-sidebar{background:#0f172a;border-radius:18px;padding:14px;color:#fff;min-height:360px}
.shot-sidebar .pill{background:rgba(255,255,255,.1);border-radius:12px;padding:10px 12px;margin:10px 0;font-size:13px}
.shot-main{display:grid;gap:14px}
.shot-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.shot-box,.chart-box,.table-box{background:#f8fbff;border:1px solid #dbeafe;border-radius:18px;padding:16px}
.chart-box{height:180px;display:flex;align-items:end;gap:12px}
.chart-box span{display:block;flex:1;border-radius:12px 12px 4px 4px;background:linear-gradient(180deg,#818cf8,#4f46e5)}
.table-box .line{height:12px;background:#e2e8f0;border-radius:999px;margin:10px 0}
.code-note{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;background:#0f172a;color:#e2e8f0;padding:12px 14px;border-radius:12px;display:inline-block}
.split-showcase{display:grid;grid-template-columns:1.15fr .85fr;gap:20px;align-items:start}
.stack-cards{display:grid;gap:18px}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.price-card{background:#fff;border:1px solid #e2e8f0;border-radius:28px;padding:24px;box-shadow:0 16px 40px rgba(15,23,42,.06);display:flex;flex-direction:column;gap:16px}
.featured-price{background:linear-gradient(180deg,#ffffff 0%,#f6f3ff 100%);border-color:#c4b5fd;transform:translateY(-6px);box-shadow:0 22px 50px rgba(79,70,229,.14)}
.plan-tag{display:inline-flex;align-items:center;justify-content:center;width:max-content;padding:8px 12px;border-radius:999px;background:#eff6ff;color:#1d4ed8;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.06em}
.featured-tag{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff}
.price-card h3{font-size:28px;margin:0}
.price-sub{margin:0;color:#64748b;line-height:1.7;min-height:52px}
.price{font-size:40px;font-weight:900;letter-spacing:-.03em}
.price span{font-size:16px;font-weight:700;color:#64748b;margin-left:6px}
.price-list{list-style:none;padding:0;margin:0;display:grid;gap:10px;color:#334155}
.price-list li{position:relative;padding-left:24px;line-height:1.7}
.price-list li:before{content:"✓";position:absolute;left:0;top:0;color:#4338ca;font-weight:900}
.doc-shell{display:grid;grid-template-columns:280px 1fr;gap:24px;align-items:start;padding:24px 0 40px}
.doc-nav{position:sticky;top:86px;background:#fff;border:1px solid #e2e8f0;border-radius:24px;padding:18px;box-shadow:0 12px 34px rgba(15,23,42,.06);max-height:calc(100vh - 110px);overflow:auto}
.doc-nav h4{margin:8px 0 12px;font-size:14px;text-transform:uppercase;letter-spacing:.08em;color:#64748b}
.doc-nav input{width:100%;padding:12px 14px;border-radius:14px;border:1px solid #dbe3f3;margin-bottom:16px}
.doc-nav a{display:block;padding:10px 12px;border-radius:12px;color:#334155;font-weight:600;font-size:14px}
.doc-nav a:hover,.doc-nav a.current{background:#eef2ff;color:#3730a3}
.doc-main{display:grid;gap:18px}
.article{background:#fff;border:1px solid #e2e8f0;border-radius:24px;padding:28px;box-shadow:0 12px 30px rgba(15,23,42,.05)}
.article h1,.article h2,.article h3{letter-spacing:-.02em}
.article h1{font-size:40px;margin:0 0 12px}.article h2{font-size:28px;margin:26px 0 10px}.article h3{font-size:21px;margin:22px 0 8px}
.article p,.article li{line-height:1.8;color:#475569}.article ul,.article ol{padding-left:20px}.article .callout{padding:16px 18px;border-radius:18px;background:#f8fbff;border:1px solid #dbeafe;color:#334155}
.article .warning{background:#fff7ed;border-color:#fed7aa}.article .success{background:#ecfdf5;border-color:#a7f3d0}.article table{width:100%;border-collapse:collapse;margin-top:14px;font-size:14px}
.article th,.article td{border:1px solid #e2e8f0;padding:12px;text-align:left;vertical-align:top}.article th{background:#f8fafc}
.kbd{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#0f172a;color:#fff;border-radius:8px;padding:3px 8px;font-size:12px}
.onboard-wrap{display:grid;grid-template-columns:340px 1fr;gap:24px;padding:28px 0 42px}
.stepper{position:sticky;top:86px;background:#fff;border:1px solid #e2e8f0;border-radius:24px;padding:18px;box-shadow:0 12px 34px rgba(15,23,42,.06)}
.step{display:flex;gap:14px;padding:12px;border-radius:16px;border:1px solid transparent;cursor:pointer;margin-bottom:10px}
.step:hover,.step.active{background:#eef2ff;border-color:#c7d2fe}.step-num{width:34px;height:34px;border-radius:12px;background:#e0e7ff;color:#3730a3;font-weight:800;display:grid;place-items:center;flex:0 0 34px}
.step-title{font-weight:800}.step-desc{font-size:13px;color:#64748b;margin-top:4px}
.stage{background:#fff;border:1px solid #e2e8f0;border-radius:28px;padding:28px;box-shadow:0 12px 30px rgba(15,23,42,.05)}
.stage h1{margin-top:0;font-size:42px;letter-spacing:-.03em}.checklist{display:grid;gap:12px;margin-top:16px}.check{display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border-radius:16px;background:#f8fbff;border:1px solid #dbeafe}
.controls{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:22px}.progress{height:12px;background:#e2e8f0;border-radius:999px;overflow:hidden;margin-bottom:18px}.progress span{display:block;height:100%;background:linear-gradient(135deg,var(--brand),var(--brand-2));width:12%}
.hidden{display:none!important}
.muted{color:#64748b}
.muted-light{color:#cbd5e1}
.small{font-size:14px}
@media (max-width: 1024px){
  .hero-grid,.doc-shell,.onboard-wrap,.grid-3,.grid-2,.grid-4,.shot-layout,.shot-row,.split-showcase,.pricing-grid{grid-template-columns:1fr}
  .doc-nav,.stepper{position:relative;top:auto;max-height:none}
  .featured-price{transform:none}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width: 700px){
  .hero{padding-top:40px}
  .hero h1{font-size:38px}
  .topbar .inner{flex-direction:column;align-items:flex-start}
  .nav{width:100%}
  .nav a{width:100%;text-align:center}
  .actions{flex-direction:column;align-items:stretch}
  .btn{width:100%}
  .article,.stage,.card,.hero-card,.doc-nav,.stepper,.price-card{padding:20px}
  .container{width:min(100% - 20px,1180px)}
  .footer-grid{grid-template-columns:1fr}
  .dark-note span{width:100%;justify-content:center;text-align:center}
  .price-sub{min-height:0}
}