:root{
  --bg:#fbfdff;--bg2:#eef5fa;--card:#ffffff;--line:#d3e1ec;
  --text:#12294a;--muted:#4b6380;--accent:#1f8fc4;--accent2:#14b8b0;
  --ok:#14a07a;--radius:16px;--max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);
  font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased}
a{color:var(--accent)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--accent2);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px;top:8px;background:var(--accent);color:#04101f;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}

header.site{position:sticky;top:0;z-index:50;background:rgba(251,253,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:700;font-size:1.25rem;letter-spacing:.2px}
.brand svg{width:34px;height:34px}
nav ul{display:flex;gap:26px;list-style:none;margin:0;padding:0;align-items:center}
nav a{color:var(--muted);text-decoration:none;font-size:.95rem;font-weight:500}
nav a:hover{color:var(--text)}
.btn{display:inline-block;padding:13px 24px;border-radius:999px;font-weight:600;text-decoration:none;
  background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;border:0;cursor:pointer}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--accent)}
nav a.btn{color:#fff;padding:9px 18px}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:var(--text);border-radius:10px;padding:8px 12px;font-size:1rem}

.hero{position:relative;overflow:hidden;padding:110px 0 90px;
  background:radial-gradient(900px 500px at 80% -10%,rgba(20,184,176,.16),transparent 60%),
             radial-gradient(800px 500px at 0% 10%,rgba(31,143,196,.14),transparent 60%)}
.hero h1{font-size:clamp(2.2rem,5vw,3.7rem);line-height:1.1;margin:0 0 20px;max-width:16em;letter-spacing:-.5px}
.grad{background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:1.2rem;color:var(--muted);max-width:40em;margin:0 0 32px}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:36px;padding:0;list-style:none}
.chips li{border:1px solid var(--line);background:rgba(255,255,255,.8);padding:6px 14px;border-radius:999px;font-size:.88rem;color:var(--muted)}
.chips li::before{content:"✓ ";color:var(--ok)}

section{padding:84px 0}
section.alt{background:var(--bg2);border-block:1px solid var(--line)}
.eyebrow{color:var(--accent);text-transform:uppercase;letter-spacing:.14em;font-size:.8rem;font-weight:700;margin:0 0 10px}
h2{font-size:clamp(1.7rem,3.2vw,2.4rem);line-height:1.2;margin:0 0 16px;letter-spacing:-.3px}
h3{margin:0 0 8px;font-size:1.2rem}
.sub{color:var(--muted);max-width:44em;margin:0 0 44px}
.grid{display:grid;gap:22px}
.g3{grid-template-columns:repeat(auto-fit,minmax(290px,1fr))}
.g2{grid-template-columns:repeat(auto-fit,minmax(340px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.card p{margin:0;color:var(--muted)}
.card ul{margin:14px 0 0;padding-left:20px;color:var(--muted)}
.icon{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px;
  background:linear-gradient(135deg,rgba(31,143,196,.12),rgba(20,184,176,.14));border:1px solid var(--line)}
.icon svg{width:24px;height:24px;stroke:var(--accent);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

.steps{counter-reset:s;display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));padding:0;list-style:none;margin:0}
.steps li{counter-increment:s;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.steps li::before{content:"0" counter(s);display:block;font-weight:800;font-size:1.6rem;color:var(--accent2);margin-bottom:6px}
.steps h3{margin-bottom:6px}.steps p{margin:0;color:var(--muted)}

details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:0;margin-bottom:12px}
summary{cursor:pointer;padding:18px 22px;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--accent);font-size:1.4rem;line-height:1}
details[open] summary::after{content:"−"}
details p{margin:0;padding:0 22px 20px;color:var(--muted)}

dl.facts{display:grid;grid-template-columns:max-content 1fr;gap:10px 24px;margin:0}
dl.facts dt{color:var(--muted)}dl.facts dd{margin:0}

footer.site{border-top:1px solid var(--line);padding:48px 0 32px;background:#0d2240;color:#b9c9de;font-size:.93rem}
footer .cols{display:grid;gap:32px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin-bottom:32px}
footer h4{color:#fff;margin:0 0 10px;font-size:1rem}
footer a{color:#b9c9de}footer a:hover{color:#fff}
footer ul{list-style:none;margin:0;padding:0}footer li{margin-bottom:6px}
.legal-line{border-top:1px solid var(--line);padding-top:20px;font-size:.85rem}

.prose{max-width:760px;padding:70px 0}
.prose h1{font-size:2.3rem;margin:0 0 6px}
.prose h2{font-size:1.4rem;margin:36px 0 10px}
.prose p,.prose li{color:var(--muted)}
.prose .updated{color:var(--muted);font-size:.9rem;margin-bottom:30px}

@media (max-width:820px){
  .menu-btn{display:block}
  nav ul{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
    background:var(--bg2);border-bottom:1px solid var(--line);padding:10px 24px 18px}
  nav ul.open{display:flex}
  nav li{padding:10px 0}
  .hero{padding:70px 0 60px}section{padding:60px 0}
  dl.facts{grid-template-columns:1fr}dl.facts dt{margin-top:8px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.btn{box-shadow:0 6px 18px rgba(31,143,196,.25)}.btn.ghost{box-shadow:none;color:var(--text)}.brand img{height:44px;width:auto}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center}
.hero-logo{width:100%;max-width:420px;height:auto;justify-self:center}
@media (max-width:820px){.hero-grid{grid-template-columns:1fr}.hero-logo{max-width:260px;order:-1}.brand img{height:38px}}

.brand img{height:52px;width:auto}