*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--ink:#1d2433;--muted:#5c6472;--bg:#fff;--alt:#f5f7fa;--line:#e4e8ee;
  --accent:#2456c4;--accent-dark:#1a3f92;--radius:10px;--max:1060px}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1{font-size:clamp(30px,4.5vw,44px);line-height:1.15;letter-spacing:-.02em}
h2{font-size:clamp(24px,3vw,32px);line-height:1.2;letter-spacing:-.01em}
h3{font-size:19px}
p{color:var(--muted)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
section{padding:72px 0}
.alt{background:var(--alt)}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}
.lead{font-size:19px;max-width:640px}
header.site{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--ink)}
.brand svg{display:block}
.brand:hover{text-decoration:none}
nav ul{display:flex;gap:26px;list-style:none;align-items:center}
nav a{font-size:15px;color:var(--muted)}
nav a:hover,nav a.active{color:var(--ink);text-decoration:none}
.btn{display:inline-block;padding:11px 22px;border-radius:8px;font-weight:600;font-size:15px}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);text-decoration:none}
.btn-ghost{border:1px solid var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--muted);text-decoration:none}
.hero{padding:96px 0 80px}
.hero .lead{margin:18px 0 30px}
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.card h3{margin:14px 0 8px}
.card .ico{width:38px;height:38px;color:var(--accent)}
.stats{display:flex;gap:48px;flex-wrap:wrap}
.stat b{font-size:34px;letter-spacing:-.02em}
.stat span{display:block;color:var(--muted);font-size:14px}
blockquote{border-left:3px solid var(--accent);padding:6px 0 6px 20px;color:var(--ink);font-size:18px;max-width:720px}
blockquote footer{color:var(--muted);font-size:14px;margin-top:10px}
table.price{width:100%;border-collapse:collapse;font-size:15px}
table.price th,table.price td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line)}
table.price th{color:var(--muted);font-weight:600}
.tier .amount{font-size:32px;font-weight:700;letter-spacing:-.02em;margin:6px 0 4px}
.tier .amount small{font-size:14px;font-weight:500;color:var(--muted)}
.tier ul{list-style:none;margin:14px 0 20px}
.tier li{padding:7px 0;border-bottom:1px dashed var(--line);color:var(--muted);font-size:15px}
.tier.featured{border-color:var(--accent);box-shadow:0 8px 30px rgba(36,86,196,.10)}
.tier .btn{width:100%;text-align:center}
details{border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px;margin-bottom:12px;background:#fff}
summary{cursor:pointer;font-weight:600}
details p{margin-top:10px}
form .row{margin-bottom:16px}
label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;color:var(--ink)}
input,textarea{width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:8px;font:inherit;color:var(--ink);background:#fff}
input:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
textarea{min-height:140px;resize:vertical}
footer.site{border-top:1px solid var(--line);padding:34px 0;margin-top:40px}
footer.site .wrap{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;align-items:center}
footer.site p,footer.site a{font-size:14px;color:var(--muted)}
footer.site nav ul{gap:18px}
.center{text-align:center}
.narrow{max-width:680px;margin:0 auto}
.muted{color:var(--muted)}
.error-hero{padding:110px 0;text-align:center}
.error-hero .code{font-size:76px;font-weight:800;letter-spacing:-.03em;color:var(--accent)}
@media(max-width:840px){.g3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){
  .g2,.g3{grid-template-columns:1fr}
  nav ul li:not(:last-child){display:none}
  section{padding:52px 0}
  .hero{padding:64px 0 48px}
}