:root{
  --bg:#f3f0ea;--ink:#16141f;--muted:#6b6578;--line:#e6e1d6;
  --paper:#fffcf8;--indigo:#4338ca;--indigo2:#312e81;--lilac:#eef2ff;--coral:#c2410c;
  --ok:#1f7a4d;--err:#c0392b;
  --radius:14px;--shadow:0 12px 32px rgba(49,46,129,.07);
  --font:"Segoe UI",system-ui,-apple-system,sans-serif;--serif:Georgia,"Times New Roman",serif;
}
*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);line-height:1.55}
a{color:var(--indigo);text-decoration:none}img{max-width:100%}
.wrap{max-width:1160px;margin:0 auto;padding:0 22px}
.top{background:#fffcf8ee;backdrop-filter:blur(8px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:66px;gap:12px}
.logo{font-weight:800;letter-spacing:-.03em;font-size:1.25rem;color:var(--indigo2)}
.logo span{color:var(--coral)}
.links{display:flex;gap:16px;align-items:center;flex-wrap:wrap;font-size:.9rem;font-weight:600}
.links a{color:var(--ink)}
.burger{display:none;background:0;border:0;color:var(--ink);font-size:1.35rem}
.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--indigo);color:#fff;padding:.68rem 1.1rem;border-radius:10px;border:0;font-weight:700;cursor:pointer;font-family:inherit;font-size:.9rem}
.btn:hover{filter:brightness(1.08)}.btn.ghost{background:transparent;color:var(--indigo2);border:1.5px solid var(--indigo)}
.btn.coral{background:var(--coral);color:#fff}.btn.ink{background:var(--indigo2);color:#fff}
.btn.sm{padding:.38rem .8rem;font-size:.8rem}
.btn.danger{background:var(--err);color:#fff}
.hero{padding:70px 0 78px;background:linear-gradient(120deg,var(--lilac),transparent 40%),linear-gradient(var(--paper),var(--bg));position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-70px;top:-70px;width:280px;height:280px;border:36px solid #c7d2fe;border-radius:50%;opacity:.4}
.hero h1{font-family:var(--serif);font-size:clamp(2.1rem,4.6vw,3.6rem);line-height:1.06;margin:0 0 14px;letter-spacing:-.02em;max-width:13ch;font-weight:700}
.hero p{max-width:46ch;color:var(--muted);font-size:1.05rem}
.cta-row{display:flex;gap:10px;margin-top:24px;flex-wrap:wrap}
.section{padding:54px 0}h2{font-family:var(--serif);font-size:1.7rem;margin:0 0 8px;letter-spacing:-.01em}
.lede{color:var(--muted);margin:0 0 22px}
.grid3,.grid4{display:grid;gap:14px}
.grid3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.grid4{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.card h3{margin:0 0 8px}.muted{color:var(--muted);font-size:.9rem}
.badge{display:inline-block;background:var(--lilac);color:var(--indigo2);border-radius:6px;padding:.16rem .55rem;font-size:.68rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
.flash{padding:11px 18px;text-align:center;font-weight:700}
.flash.ok{background:#e8f8ef;color:var(--ok)}.flash.err{background:#fdecea;color:var(--err)}
.foot{background:var(--indigo2);color:#c7d2fe;padding:44px 0 18px;margin-top:36px}
.foot a{display:block;color:#c7d2fe;margin:.25rem 0}.copy{text-align:center;opacity:.65;margin-top:22px;font-size:.8rem}
form.stack{display:flex;flex-direction:column;gap:10px;max-width:480px}
label{font-size:.78rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}
input,select,textarea{width:100%;padding:.72rem .85rem;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fff;color:var(--ink)}
input:focus{outline:2px solid var(--indigo);border-color:var(--indigo)}
table{width:100%;border-collapse:collapse;background:var(--paper)}
th,td{border-bottom:1px solid var(--line);padding:.7rem;text-align:left;font-size:.88rem}
th{background:var(--lilac);color:var(--indigo2);font-size:.7rem;letter-spacing:.07em;text-transform:uppercase}
.stat{font-size:1.65rem;font-weight:800;letter-spacing:-.03em}
.quiz-opt{display:block;border:1px solid var(--line);padding:12px;border-radius:12px;margin:8px 0;cursor:pointer;background:var(--paper)}
.quiz-opt:has(input:checked){border-color:var(--indigo);background:var(--lilac)}
.timer{font-variant-numeric:tabular-nums;font-size:1.35rem;font-weight:800;color:var(--indigo2)}
.slider{display:flex;gap:14px;overflow:auto;scroll-snap-type:x mandatory;padding-bottom:8px}
.slide{min-width:260px;scroll-snap-align:start}
.empty{padding:32px;text-align:center;color:var(--muted)}
.price{font-size:1.75rem;font-weight:800;letter-spacing:-.03em}
.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}.inline{display:inline}
.app{display:grid;grid-template-columns:250px 1fr;min-height:100vh}
.aside{background:var(--paper);border-right:1px solid var(--line);color:var(--ink);padding:20px 14px;position:sticky;top:0;height:100vh;overflow:auto}
.aside .logo{display:block;margin-bottom:18px}
.aside nav a{display:block;color:#3f3a4a;padding:.5rem .7rem;border-radius:10px;font-size:.88rem;font-weight:600}
.aside nav a.on,.aside nav a:hover{background:var(--lilac);color:var(--indigo2)}
.aside .coin{background:var(--lilac);border:1px solid #c7d2fe;border-radius:12px;padding:12px;margin:12px 0;color:var(--indigo2)}
.mainpad{padding:22px 26px 70px}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;gap:10px;flex-wrap:wrap}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(168px,1fr));gap:12px;margin-bottom:18px}
.kpi{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:14px}
.kpi .l{font-size:.66rem;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);font-weight:800}
.bottomnav{display:none}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px}
.split{display:grid;grid-template-columns:1.15fr .85fr;gap:14px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
@media(max-width:900px){
  .burger{display:block}
  .links{display:none;position:absolute;top:66px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:14px;flex-direction:column;align-items:flex-start}
  .links.open{display:flex}
  .app{grid-template-columns:1fr}
  .aside{display:none;position:fixed;inset:0 auto 0 0;width:78%;max-width:270px;z-index:50;height:100%}
  .aside.open{display:block}
  .bottomnav{display:flex;position:fixed;bottom:0;left:0;right:0;background:var(--indigo2);justify-content:space-around;padding:10px;z-index:40}
  .bottomnav a{font-size:.7rem;color:#c7d2fe;font-weight:700}
  .two,.split,.steps{grid-template-columns:1fr}
  .mainpad{padding:14px 12px 84px}
}