:root{
  --blue:#1a78ea;--blue-d:#0f61cc;--blue-l:#3f92ff;
  --ink:#1c2430;--muted:#5b6675;--bg:#f5f8fc;--card:#ffffff;--line:#e6ebf2;--soft:#eef4ff;
  --shadow:0 1px 3px rgba(20,40,80,.06),0 10px 26px rgba(20,40,80,.05);
}
@media (prefers-color-scheme:dark){
  :root{--ink:#e7ecf3;--muted:#9aa6b6;--bg:#0e141c;--card:#161e29;--line:#26313f;--soft:#182233;
  --shadow:0 1px 3px rgba(0,0,0,.3),0 10px 26px rgba(0,0,0,.25);}
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--blue)}
svg{vertical-align:middle}
.container{max-width:760px;margin:0 auto;padding:0 20px}

/* nav */
.nav{position:sticky;top:0;z-index:20;background:var(--bg);border-bottom:1px solid var(--line)}
.nav-in{max-width:980px;margin:0 auto;padding:11px 20px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;text-decoration:none;color:var(--ink);font-size:17px}
.brand .mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(160deg,var(--blue-l),var(--blue-d));display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.brand b{color:var(--blue)}
.nav-links{display:flex;gap:4px;flex-wrap:wrap;margin-left:auto;align-items:center}
.nav-links a{color:var(--muted);text-decoration:none;font-weight:600;font-size:14.5px;padding:7px 11px;border-radius:9px}
.nav-links a:hover{background:var(--soft);color:var(--blue-d)}
.nav-links a.active{color:var(--blue-d);background:var(--soft)}
.lang{display:inline-flex;gap:3px;margin-left:6px;background:var(--soft);border:1px solid var(--line);border-radius:100px;padding:3px}
.lang button{appearance:none;border:0;background:transparent;color:var(--muted);font:inherit;font-size:12.5px;font-weight:700;padding:5px 11px;border-radius:100px;cursor:pointer}
.lang button[aria-pressed="true"]{background:var(--blue);color:#fff}

/* hero */
.hero{background:linear-gradient(135deg,var(--blue-l) 0%,var(--blue) 55%,var(--blue-d) 100%);color:#fff;text-align:center;padding:66px 20px 60px}
.hero .logo{width:78px;height:78px;border-radius:22px;margin:0 auto 18px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);display:flex;align-items:center;justify-content:center}
.hero h1{margin:0;font-size:38px;letter-spacing:-1px}
.hero h1 b{color:#d7e6ff}
.hero .tag{margin:10px 0 0;font-size:19px;color:#eaf2ff}
.hero .sub{margin:14px auto 0;max-width:520px;font-size:16px;color:#dbe9ff}
.hero .cta{margin-top:26px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.hero .soon{margin-top:18px;font-size:13.5px;color:#cfe1ff;opacity:.9}
.btn{display:inline-block;background:#fff;color:var(--blue-d);text-decoration:none;font-weight:700;padding:12px 22px;border-radius:12px;border:1px solid transparent}
.btn.ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.4)}

/* inner page header */
.page-head{padding:46px 20px 6px;text-align:center}
.page-head .logo{width:56px;height:56px;border-radius:16px;margin:0 auto 14px;background:linear-gradient(160deg,var(--blue-l),var(--blue-d));display:flex;align-items:center;justify-content:center}
.page-head h1{margin:0;font-size:30px;letter-spacing:-.5px}
.page-head p{margin:8px 0 0;color:var(--muted)}

main{padding:28px 0 56px}
section.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:24px;margin:0 0 18px;box-shadow:var(--shadow)}
h2{font-size:20px;margin:0 0 12px}
h3{font-size:16px;margin:20px 0 6px}
.muted{color:var(--muted)}
.lead{font-size:17px}

/* features */
.features{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:8px}
@media(max-width:560px){.features{grid-template-columns:1fr}}
.feat{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--shadow)}
.feat .ic{width:38px;height:38px;border-radius:11px;background:var(--soft);display:flex;align-items:center;justify-content:center;margin-bottom:10px;color:var(--blue)}
.feat h3{margin:0 0 4px;font-size:16px}
.feat p{margin:0;color:var(--muted);font-size:14.5px}
.section-title{text-align:center;margin:34px 0 4px;font-size:22px}
.section-sub{text-align:center;color:var(--muted);margin:0 0 6px}

/* buttons / links */
.links{display:flex;flex-wrap:wrap;gap:10px;margin-top:4px}
.links a{display:inline-block;background:var(--soft);border:1px solid var(--line);color:var(--blue-d);text-decoration:none;font-weight:600;padding:10px 16px;border-radius:12px}
.email-btn{display:inline-block;background:var(--blue);color:#fff;text-decoration:none;font-weight:700;padding:12px 20px;border-radius:12px}

/* FAQ */
details{border-top:1px solid var(--line);padding:13px 0}
details:first-of-type{border-top:none}
summary{cursor:pointer;font-weight:600;list-style:none;padding-right:26px;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:0;top:-2px;color:var(--muted);font-weight:700;font-size:19px}
details[open] summary::after{content:"\2013"}
details .a{margin:10px 0 2px;color:var(--muted)}

/* legal */
.legal h2{font-size:18px;margin-top:26px}
.legal h2:first-of-type{margin-top:2px}
.legal .upd{color:var(--muted);font-size:13.5px;margin-top:0}
.note{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-top:18px}
.steps{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin:10px 0}

/* footer */
footer{border-top:1px solid var(--line);padding:26px 20px;text-align:center;color:var(--muted);font-size:13.5px}
footer .fl{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:8px}
footer .fl a{color:var(--blue-d);text-decoration:none;font-weight:600}
footer .c a{color:var(--muted)}
[hidden]{display:none!important}