:root{
  --ink:#1e1b24;--muted:#625d68;--purple:#7650a8;--purple-dark:#59377f;
  --purple-soft:#f3eef9;--blue-soft:#eef6ff;--line:#e7e1ec;--bg:#fbfafc;--white:#fff;--max:960px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);background:var(--bg);
  font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  line-height:1.65;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
a:focus-visible{outline:3px solid rgba(118,80,168,.28);outline-offset:4px}
.shell{width:min(var(--max),calc(100% - 48px));margin:0 auto}
header{
  position:sticky;top:0;z-index:30;border-bottom:1px solid rgba(231,225,236,.92);
  background:rgba(255,255,255,.92);backdrop-filter:blur(14px)
}
.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:12px;font-weight:820;letter-spacing:-.035em}
.brand img{width:40px;height:40px;border-radius:11px;box-shadow:0 6px 18px rgba(59,40,76,.13)}
.brand-name{font-size:20px}
nav{display:flex;align-items:center;gap:24px;font-size:15px;color:#4e4954}
nav a:hover{color:var(--purple)}
.hero{
  padding:76px 0 54px;
  background:radial-gradient(circle at 8% 20%,rgba(118,80,168,.08),transparent 32%)
}
.kicker{color:var(--purple);font-size:17px;font-weight:790;margin-bottom:13px}
h1{margin:0 0 20px;font-size:clamp(46px,6vw,70px);line-height:1.03;letter-spacing:-.052em}
.lead{max-width:760px;margin:0;color:var(--muted);font-size:19px;line-height:1.65}
.meta{margin-top:18px;color:#817a86;font-size:14px}
main .content{padding:32px 0 84px}
.card{
  margin-top:18px;padding:30px 32px;border:1px solid var(--line);border-radius:22px;background:white;
}
.card h2{margin:0 0 12px;font-size:27px;line-height:1.2;letter-spacing:-.03em}
.card h3{margin:26px 0 8px;font-size:20px;letter-spacing:-.02em}
.card p{margin:0 0 12px;color:var(--muted)}
.card ul{margin:10px 0 0;padding-left:22px;color:var(--muted)}
.card li{margin:8px 0}
.note{
  margin-top:20px;padding:18px 20px;border:1px solid #deebf7;border-radius:18px;background:var(--blue-soft);
  color:#4d5a68;font-size:15px
}
.contact{
  display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;
}
.contact a{color:var(--purple);font-weight:740}
.contact a:hover{text-decoration:underline}
footer{padding:38px 0 44px;background:white;border-top:1px solid var(--line)}
.footer-row{display:flex;justify-content:space-between;align-items:flex-start;gap:32px}
.footer-brand strong{display:block;font-size:17px;margin-bottom:5px}
.footer-brand span{color:var(--muted);font-size:14px}
.footer-links{display:flex;gap:22px;flex-wrap:wrap;color:#625d68;font-size:14px}
.footer-links a:hover{color:var(--purple)}

.mobile-menu{display:none;position:relative}
.mobile-menu summary{
  list-style:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;
  background:#fff;cursor:pointer;display:grid;place-items:center;box-shadow:0 5px 16px rgba(59,40,76,.06)
}
.mobile-menu summary::-webkit-details-marker{display:none}
.mobile-menu-icon,.mobile-menu-icon::before,.mobile-menu-icon::after{
  display:block;width:18px;height:2px;border-radius:999px;background:var(--ink);position:relative
}
.mobile-menu-icon::before,.mobile-menu-icon::after{content:"";position:absolute;left:0}
.mobile-menu-icon::before{top:-6px}
.mobile-menu-icon::after{top:6px}
.mobile-menu[open] .mobile-menu-icon{background:transparent}
.mobile-menu[open] .mobile-menu-icon::before{top:0;transform:rotate(45deg)}
.mobile-menu[open] .mobile-menu-icon::after{top:0;transform:rotate(-45deg)}
.mobile-menu-panel{
  position:absolute;right:0;top:50px;min-width:190px;padding:9px;border:1px solid var(--line);
  border-radius:16px;background:#fff;box-shadow:0 16px 40px rgba(35,27,45,.14);z-index:60
}
.mobile-menu-panel a{display:block;padding:11px 13px;border-radius:10px;font-size:15px;color:#4e4954}
.mobile-menu-panel a:hover,.mobile-menu-panel a:focus-visible{background:var(--purple-soft);color:var(--purple)}

@media(max-width:900px){
  .shell{width:min(100% - 32px,var(--max))}
  nav{display:none}
  .mobile-menu{display:block}
  .nav{min-height:66px}
  .hero{padding:54px 0 34px}
  h1{font-size:44px}
  .lead{font-size:17px}
  main .content{padding:24px 0 64px}
  .card{padding:24px 22px}
  .footer-row{flex-direction:column}
}