:root{
  --bg:#F5F7FA;
  --surface:#ffffff;
  --ink:#0B1F3B;
  --muted:#4b5563;
  --line:#e5e7eb;

  --accent:#1E5BFF;
  --accent2:#0EA5A4;

  --max:1120px;
  --pad:24px;
  --radius:16px;
  --shadow: 0 14px 40px rgba(2,6,23,.10);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  color:var(--ink);
  background:var(--bg);
  line-height:1.55;
}

a{color:inherit}
a:hover{color:var(--accent)}
.container{max-width:var(--max); margin:0 auto; padding:0 var(--pad)}

.header{
  position:sticky; top:0; z-index:50;
  background:rgba(245,247,250,.92);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex; align-items:center; justify-content:space-between; padding:14px 0; gap:14px}

.brand{display:flex; align-items:center; gap:10px; text-decoration:none; font-weight:850; letter-spacing:.02em}
.mark{
  width:28px; height:28px; border-radius:999px; border:2px solid var(--ink);
  position:relative; flex:none;
}
.mark:before{content:""; position:absolute; inset:6px; border:2px solid var(--ink); opacity:.35; border-radius:999px}
.mark:after{content:""; position:absolute; width:8px; height:8px; border-radius:999px; background:var(--accent); right:-2px; top:4px; box-shadow:0 0 0 4px rgba(30,91,255,.18)}
.nav{display:flex; align-items:center; gap:12px}
.nav a{
  text-decoration:none; color:var(--muted); font-weight:700; font-size:14px;
  padding:9px 10px; border-radius:12px;
}
.nav a:hover{color:var(--ink); background:rgba(30,91,255,.06)}
.nav .active{color:var(--ink); background:rgba(30,91,255,.10); border:1px solid rgba(30,91,255,.18)}

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding:12px 16px; border-radius:12px;
  border:1px solid var(--line); background:var(--surface);
  text-decoration:none; font-weight:800; font-size:14px;
}
.btn:hover{border-color:#cbd5e1; background:#fbfdff}
.btn.primary{
  border-color:rgba(30,91,255,.35);
  background:linear-gradient(180deg, rgba(30,91,255,.14), rgba(30,91,255,.06));
  color:var(--ink);
}
.btn.primary:hover{background:linear-gradient(180deg, rgba(30,91,255,.18), rgba(30,91,255,.08))}
.btn.dark{
  border-color:var(--ink);
  background:var(--ink);
  color:#fff;
}
.btn.dark:hover{background:#0a1a33; border-color:#0a1a33}
.btn.ghost{background:transparent}

.header-cta{display:flex; gap:10px; align-items:center}
.burger{display:none; border:1px solid var(--line); border-radius:12px; padding:10px 12px; background:var(--surface); font-weight:900}
.mobile{display:none; padding:10px 0 18px}
.mobile a{display:block; padding:10px 12px; border-radius:12px; text-decoration:none; color:var(--muted); font-weight:750}
.mobile a:hover{background:rgba(30,91,255,.06); color:var(--ink)}
@media (max-width:980px){
  .nav{display:none}
  .burger{display:inline-flex}
  .mobile.open{display:block}
}

.kicker{
  font-size:12px; letter-spacing:.14em; text-transform:uppercase; color:var(--muted);
}
.h1{font-size:48px; line-height:1.06; margin:10px 0 12px}
.h2{font-size:32px; line-height:1.18; margin:0 0 10px}
.h3{font-size:18px; line-height:1.25; margin:0 0 6px}
.lead{font-size:18px; color:var(--muted); max-width:78ch}
.small{font-size:13px; color:var(--muted)}

.section{padding:72px 0}
.section.tight{padding:46px 0}
.hr{height:1px; background:var(--line); margin:22px 0}

.grid{display:grid; gap:18px}
.grid.two{grid-template-columns:repeat(2, minmax(0,1fr))}
.grid.three{grid-template-columns:repeat(3, minmax(0,1fr))}
@media (max-width:900px){
  .grid.two,.grid.three{grid-template-columns:1fr}
  .h1{font-size:40px}
}

.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow);
}
.card.soft{
  background:linear-gradient(180deg, rgba(30,91,255,.06), rgba(255,255,255,1));
  box-shadow:none;
}
.card.flat{box-shadow:none}

.badges{display:flex; gap:10px; flex-wrap:wrap; margin-top:14px}
.badge{
  font-size:13px; color:var(--muted); font-weight:750;
  border:1px solid var(--line); border-radius:999px;
  padding:7px 10px; background:var(--surface);
}
.badge strong{color:var(--ink)}
.accentline{
  height:3px; width:56px; background:var(--accent); border-radius:999px; margin:10px 0 14px;
}

.hero{
  padding:68px 0 38px;
  background:
    radial-gradient(900px 520px at 20% 15%, rgba(30,91,255,.14), transparent 55%),
    radial-gradient(900px 520px at 85% 20%, rgba(14,165,164,.10), transparent 58%);
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid; grid-template-columns:1.25fr .75fr; gap:18px; align-items:stretch}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}}

.hero-right{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:20px;
  box-shadow:var(--shadow);
}
.framework{
  display:grid; gap:10px; margin-top:10px;
}
.step{
  display:flex; gap:12px; align-items:flex-start;
  padding:12px; border:1px solid var(--line); border-radius:14px; background:#fff;
}
.step .num{
  width:26px; height:26px; border-radius:10px;
  background:rgba(30,91,255,.10);
  border:1px solid rgba(30,91,255,.20);
  display:flex; align-items:center; justify-content:center;
  font-weight:900; color:var(--accent);
  flex:none;
}
.step .txt{font-size:13px; color:var(--muted)}
.step .ttl{font-weight:850; color:var(--ink); margin-bottom:2px}

.table{
  width:100%;
  border-collapse:collapse;
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
}
.table th, .table td{
  padding:12px 12px;
  border-bottom:1px solid var(--line);
  text-align:left;
  font-size:13px;
}
.table th{background:rgba(30,91,255,.06); color:var(--ink); font-weight:900}
.table tr:last-child td{border-bottom:0}

.footer{
  border-top:1px solid var(--line);
  background:#fff;
  padding:34px 0;
}
.footer-grid{
  display:grid; grid-template-columns:1.4fr .8fr .8fr; gap:18px;
}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr}}
.footer a{color:var(--muted); text-decoration:none}
.footer a:hover{color:var(--ink)}

.list{margin:10px 0 0; padding-left:18px; color:var(--muted)}
.list li{margin:8px 0}

.form{display:grid; gap:12px}
.field label{display:block; font-size:13px; color:var(--muted); font-weight:850; margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%; padding:12px 12px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  outline:none;
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:rgba(30,91,255,.45);
  box-shadow:0 0 0 4px rgba(30,91,255,.16);
}
.field textarea{min-height:120px; resize:vertical}
.checkbox{display:flex; gap:10px; align-items:flex-start; font-size:13px; color:var(--muted)}
.checkbox input{margin-top:3px}