:root{
  --navy:#0b2742;
  --navy-2:#102f52;
  --blue:#2f6fed;
  --blue-2:#1f5ad6;
  --cyan:#23c7f2;
  --ink:#122033;
  --muted:#66758a;
  --line:#dce6f2;
  --soft:#f5f8fc;
  --white:#ffffff;
  --green:#168a53;
  --shadow:0 18px 50px rgba(16,47,82,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.55;
}
a{color:inherit}
.container{width:min(1160px,calc(100% - 40px));margin:auto}
.site-header{
  position:sticky;top:0;z-index:20;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(220,230,242,.85);
}
.nav{height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:800;font-size:20px;color:var(--navy)}
.brand-mark{
  width:42px;height:42px;border-radius:12px;
  background:linear-gradient(145deg,var(--navy-2),#164b7e);
  border:1px solid #2aa9e8;display:grid;place-items:center;position:relative;
  box-shadow:inset 0 0 0 4px rgba(47,111,237,.18);
}
.brand-mark::after{
  content:"";position:absolute;bottom:7px;width:22px;height:3px;border-radius:2px;background:var(--cyan)
}
.brand-mark span{color:white;font-size:24px;line-height:1;transform:translateY(-2px)}
.nav-links{display:flex;align-items:center;gap:28px;font-size:14px;font-weight:650;color:#415169}
.nav-links a{text-decoration:none}
.nav-links a:hover{color:var(--blue)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 20px;border-radius:13px;border:1px solid transparent;
  text-decoration:none;font-weight:750;transition:.2s ease;
}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 24px rgba(47,111,237,.25)}
.btn-primary:hover{background:var(--blue-2);transform:translateY(-1px)}
.btn-secondary{background:#fff;color:var(--navy);border-color:var(--line)}
.btn-secondary:hover{border-color:#b8cbe4;background:#f9fbfe}
.hero{
  overflow:hidden;
  background:
    radial-gradient(circle at 84% 18%,rgba(35,199,242,.17),transparent 24%),
    radial-gradient(circle at 68% 62%,rgba(47,111,237,.15),transparent 28%),
    linear-gradient(180deg,#f7fbff 0%,#ffffff 92%);
  padding:88px 0 74px;
}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid #cfe0f5;background:#fff;color:var(--blue);
  border-radius:999px;padding:7px 12px;font-size:13px;font-weight:750;margin-bottom:22px
}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--green)}
h1{font-size:clamp(42px,6vw,68px);line-height:1.03;margin:0 0 22px;color:var(--navy);letter-spacing:-.035em}
.hero p{font-size:20px;color:#526279;max-width:690px;margin:0 0 32px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.trust-row{display:flex;gap:22px;flex-wrap:wrap;margin-top:30px;color:#6d7b8e;font-size:13px}
.trust-row span{display:flex;align-items:center;gap:7px}
.trust-row b{color:var(--green)}
.app-preview{
  border-radius:24px;background:#fff;border:1px solid #d8e5f3;box-shadow:var(--shadow);overflow:hidden
}
.preview-top{height:50px;background:var(--navy);display:flex;align-items:center;padding:0 17px;gap:8px}
.preview-dot{width:9px;height:9px;border-radius:50%;background:#52708d}
.preview-dot.active{background:var(--cyan)}
.preview-body{padding:22px;background:#f7f9fc}
.preview-title{font-weight:800;color:var(--navy);font-size:17px;margin-bottom:17px}
.preview-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:15px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:13px;padding:13px}
.kpi small{display:block;color:var(--muted);font-size:10px;margin-bottom:6px}
.kpi strong{font-size:17px;color:var(--navy)}
.preview-chart{
  height:180px;background:white;border:1px solid var(--line);border-radius:14px;padding:14px;position:relative;overflow:hidden
}
.chart-grid{position:absolute;inset:14px;background:repeating-linear-gradient(to bottom,transparent,transparent 31px,#eef3f8 32px)}
.chart-line{
  position:absolute;left:30px;right:25px;bottom:41px;height:89px;
}
.chart-line svg{width:100%;height:100%}
.section{padding:82px 0}
.section.soft{background:var(--soft)}
.section-head{max-width:760px;margin:0 auto 44px;text-align:center}
.section-head h2{font-size:36px;line-height:1.15;color:var(--navy);margin:0 0 14px;letter-spacing:-.02em}
.section-head p{margin:0;color:var(--muted);font-size:17px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{
  border:1px solid var(--line);border-radius:18px;padding:24px;background:#fff;
  box-shadow:0 8px 26px rgba(16,47,82,.05)
}
.icon{
  width:44px;height:44px;border-radius:12px;background:#edf4ff;color:var(--blue);
  display:grid;place-items:center;font-size:20px;font-weight:900;margin-bottom:17px
}
.card h3{margin:0 0 8px;color:var(--navy);font-size:19px}
.card p{margin:0;color:var(--muted);font-size:14px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.list{display:grid;gap:14px;margin-top:24px}
.list-item{display:flex;gap:12px;align-items:flex-start}
.check{width:23px;height:23px;border-radius:50%;background:#e6f8ee;color:var(--green);display:grid;place-items:center;flex:0 0 auto;font-size:13px;font-weight:900}
.list-item strong{display:block;color:var(--navy);margin-bottom:2px}
.list-item span{color:var(--muted);font-size:14px}
.arch{
  border:1px solid var(--line);border-radius:20px;background:white;padding:28px;box-shadow:var(--shadow)
}
.arch-flow{display:grid;gap:11px}
.arch-node{
  border:1px solid #cfdef0;background:#f9fbfe;border-radius:13px;padding:15px 18px;
  color:var(--navy);font-weight:750;text-align:center
}
.arch-arrow{text-align:center;color:var(--blue);font-weight:900}
.security-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.security-item{padding:20px;border-radius:16px;border:1px solid var(--line);background:#fff}
.security-item strong{display:block;color:var(--navy);margin-bottom:5px}
.security-item span{color:var(--muted);font-size:13px}
.cta{
  border-radius:24px;padding:44px;
  background:linear-gradient(135deg,var(--navy),#123e68);
  color:white;display:flex;align-items:center;justify-content:space-between;gap:28px
}
.cta h2{margin:0 0 8px;font-size:30px}
.cta p{margin:0;color:#cfe0ee}
.cta .btn{background:#fff;color:var(--navy);white-space:nowrap}
footer{border-top:1px solid var(--line);padding:32px 0 38px;color:#728095;font-size:13px}
.footer-grid{display:flex;justify-content:space-between;gap:24px;align-items:center;flex-wrap:wrap}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-links a{text-decoration:none}
.footer-links a:hover{color:var(--blue)}
.page-hero{padding:64px 0 38px;background:linear-gradient(180deg,#f7fbff,#fff)}
.page-hero h1{font-size:44px}
.prose{max-width:860px;margin:auto}
.prose h2{margin-top:34px;color:var(--navy)}
.prose p,.prose li{color:#56667b}
.notice{
  padding:16px 18px;background:#fff8e8;border:1px solid #f2d28a;border-radius:12px;color:#785500;margin:22px 0
}
.mobile-menu{display:none}
@media(max-width:900px){
  .hero-grid,.split{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr 1fr}
  .security-grid{grid-template-columns:1fr 1fr}
  .app-preview{max-width:660px}
  .nav-links{display:none}
  .mobile-menu{display:inline-flex}
}
@media(max-width:620px){
  .container{width:min(100% - 28px,1160px)}
  .hero{padding:60px 0 50px}
  .cards,.security-grid{grid-template-columns:1fr}
  .preview-kpis{grid-template-columns:1fr}
  .preview-chart{height:150px}
  .cta{padding:30px;display:block}
  .cta .btn{margin-top:20px}
  .section{padding:62px 0}
  .section-head h2{font-size:30px}
  .page-hero h1{font-size:38px}
}