:root{
  --ink:#0e1220;--ink-soft:#4a5068;--bg:#ffffff;--bg-soft:#f5f7fc;--line:#e6e9f4;
  --brand:#5b4dff;--brand2:#00b8ff;--grad:linear-gradient(100deg,#5b4dff 0%,#00b8ff 100%);
  --radius:18px;--shadow:0 10px 40px rgba(20,25,60,.10);--maxw:1120px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Inter,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;font-size:17px}
img{max-width:100%}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* Floating header */
.site-header{position:fixed;top:14px;left:50%;transform:translateX(-50%);width:min(96%,1180px);z-index:1000;
  background:rgba(255,255,255,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:999px;box-shadow:var(--shadow)}
.nav{display:flex;align-items:center;gap:18px;padding:10px 22px}
.logo{font-weight:800;font-size:1.1rem;letter-spacing:-.02em;color:var(--ink);white-space:nowrap}
.logo span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;gap:16px;margin-left:auto;align-items:center;flex-wrap:wrap}
.nav-links a{color:var(--ink-soft);font-weight:600;font-size:.92rem;white-space:nowrap}
.nav-links a:hover{color:var(--brand);text-decoration:none}
.btn{display:inline-block;background:var(--grad);color:#fff !important;font-weight:700;border-radius:999px;
  padding:11px 22px;box-shadow:0 6px 20px rgba(91,77,255,.35);transition:transform .15s ease,box-shadow .15s ease;white-space:nowrap}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(91,77,255,.45);text-decoration:none}
.btn.small{padding:9px 18px;font-size:.9rem}
.btn.big{padding:16px 34px;font-size:1.08rem}
.btn.ghost{background:#fff;color:var(--brand) !important;border:2px solid var(--brand);box-shadow:none}
.nav-toggle{display:none;background:none;border:0;font-size:1.5rem;cursor:pointer;color:var(--ink)}
@media(max-width:920px){
  .nav-links{display:none;position:absolute;top:110%;left:0;right:0;background:#fff;border:1px solid var(--line);
    border-radius:20px;box-shadow:var(--shadow);flex-direction:column;padding:18px;gap:12px}
  .nav-links.open{display:flex}
  .nav-toggle{display:block;margin-left:auto}
}

/* Hero */
.hero{padding:150px 0 60px;background:
  radial-gradient(700px 340px at 15% -10%,rgba(91,77,255,.14),transparent),
  radial-gradient(700px 340px at 85% -10%,rgba(0,184,255,.14),transparent),var(--bg-soft)}
.hero .kicker{display:inline-block;background:#fff;border:1px solid var(--line);color:var(--brand);font-weight:700;
  font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;border-radius:999px;padding:6px 14px;margin-bottom:18px}
h1{font-size:clamp(1.9rem,4.2vw,3rem);line-height:1.12;letter-spacing:-.03em;font-weight:850;margin-bottom:18px}
.hero p.lead{font-size:1.18rem;color:var(--ink-soft);max-width:760px;margin-bottom:28px}
.hero .cta-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero .note{font-size:.85rem;color:var(--ink-soft);margin-top:12px}

/* Sections */
section.block{padding:56px 0}
section.block.alt{background:var(--bg-soft)}
h2{font-size:clamp(1.4rem,2.6vw,2rem);letter-spacing:-.02em;font-weight:800;margin-bottom:14px}
h3{font-size:1.15rem;font-weight:750;margin-bottom:8px}
.block p{color:var(--ink-soft);max-width:820px;margin-bottom:14px}
.checklist{list-style:none;margin:18px 0;display:grid;gap:10px}
.checklist li{padding-left:34px;position:relative;color:var(--ink)}
.checklist li::before{content:"✓";position:absolute;left:0;top:0;width:24px;height:24px;border-radius:8px;
  background:var(--grad);color:#fff;font-weight:800;font-size:.85rem;display:flex;align-items:center;justify-content:center}
.grid{display:grid;gap:20px;margin-top:26px}
.grid.cols-3{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.grid.cols-2{grid-template-columns:repeat(auto-fill,minmax(340px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 4px 18px rgba(20,25,60,.05);
  display:flex;flex-direction:column;transition:transform .15s ease,box-shadow .15s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card h3 a{color:var(--ink)}
.card p{font-size:.95rem;flex:1}
.card .card-links{display:flex;gap:14px;margin-top:14px;font-weight:650;font-size:.92rem;flex-wrap:wrap}
.badge{display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;
  color:var(--brand);background:rgba(91,77,255,.09);border-radius:999px;padding:4px 10px;margin-bottom:12px;width:max-content}

/* CTA band */
.cta-band{margin:30px 0;background:var(--grad);border-radius:var(--radius);padding:40px 36px;color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;gap:22px;justify-content:space-between;box-shadow:var(--shadow)}
.cta-band h2{color:#fff;margin-bottom:6px}
.cta-band p{color:rgba(255,255,255,.85);margin:0;max-width:560px}
.cta-band .btn{background:#fff;color:var(--brand) !important;box-shadow:0 8px 24px rgba(0,0,0,.18)}

/* FAQ */
.faq{margin-top:10px;display:grid;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 20px}
.faq summary{font-weight:700;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;font-weight:800;color:var(--brand)}
.faq details[open] summary::after{content:"–"}
.faq details p{margin-top:10px;font-size:.95rem}

/* Breadcrumbs, related */
.breadcrumbs{font-size:.85rem;color:var(--ink-soft);margin-bottom:16px}
.breadcrumbs a{color:var(--ink-soft)}
.related{padding:46px 0;border-top:1px solid var(--line)}
.related ul{list-style:none;display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.related li a{display:inline-block;background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;
  padding:8px 16px;font-size:.88rem;font-weight:600;color:var(--ink)}
.related li a:hover{border-color:var(--brand);color:var(--brand);text-decoration:none}

/* Footer */
footer{background:#0e1220;color:#aab0c6;padding:54px 0 30px;margin-top:60px}
footer h4{color:#fff;font-size:.95rem;margin-bottom:14px;letter-spacing:.03em}
footer a{color:#aab0c6;font-size:.9rem}
footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:30px}
.footer-grid ul{list-style:none;display:grid;gap:8px}
.foot-note{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:20px;font-size:.8rem;color:#7c83a0}

/* Exit popup */
.exit-overlay{position:fixed;inset:0;background:rgba(14,18,32,.62);backdrop-filter:blur(4px);display:none;align-items:center;justify-content:center;z-index:3000;padding:20px}
.exit-overlay.show{display:flex;animation:fadeIn .25s ease}
.exit-modal{position:relative;background:#fff;border-radius:22px;max-width:520px;width:100%;padding:40px 38px;box-shadow:0 30px 80px rgba(0,0,0,.35);text-align:left;animation:popUp .3s ease}
.exit-modal h2{margin:8px 0 12px;font-size:1.5rem}
.exit-modal p{color:var(--ink-soft);margin-bottom:20px}
.exit-modal .kicker{display:inline-block;background:rgba(91,77,255,.09);color:var(--brand);font-weight:800;font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;border-radius:999px;padding:5px 13px}
.exit-x{position:absolute;top:14px;right:18px;background:none;border:0;font-size:1.7rem;color:var(--ink-soft);cursor:pointer;line-height:1}
.exit-x:hover{color:var(--ink)}
.exit-no{margin-top:16px;font-size:.85rem}
.exit-no a{color:var(--ink-soft);text-decoration:underline}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes popUp{from{transform:translateY(16px);opacity:0}to{transform:translateY(0);opacity:1}}

/* Tables */
.cmp-table{width:100%;border-collapse:collapse;margin:22px 0;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 4px 18px rgba(20,25,60,.05)}
.cmp-table th,.cmp-table td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);font-size:.95rem}
.cmp-table th{background:var(--bg-soft);font-weight:750}
.cmp-table td:first-child{font-weight:650}