:root{
  --bg:#0c1117;
  --panel:#121a23;
  --panel2:#17212d;
  --line:#263343;
  --text:#f6f8fb;
  --muted:#a8b4c2;
  --blue:#4f8cff;
  --cyan:#55d6d1;
  --lime:#c9f36b;
  --paper:#f7f9fc;
  --ink:#15202b;
  --shadow:0 18px 44px rgba(0,0,0,.22);
  --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font:inherit}
.wrap{width:min(1420px,calc(100% - 48px));margin:auto}
.section{padding:88px 0}
.section.light{background:var(--paper);color:var(--ink)}
.section.soft{background:#0f1620}
.eyebrow{font-size:12px;letter-spacing:.18em;text-transform:uppercase;font-weight:900;color:var(--cyan)}
h1,h2,h3{margin:0}
h1{font-size:clamp(46px,6vw,86px);line-height:.96;letter-spacing:-.04em}
h2{font-size:clamp(34px,4.4vw,62px);line-height:1.02;letter-spacing:-.03em}
h3{font-size:24px;line-height:1.15}
p{margin:0;color:var(--muted);font-size:18px;line-height:1.65}
.section.light p{color:#66717f}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:14px;padding:15px 22px;font-weight:900;border:1px solid transparent;transition:.2s}
.btn.primary{background:var(--blue);color:#fff;box-shadow:0 10px 26px rgba(79,140,255,.22)}
.btn.primary:hover{transform:translateY(-2px)}
.btn.ghost{border-color:var(--line);background:#101821;color:#fff}
.section.light .btn.ghost{border-color:#d7dee7;background:#fff;color:var(--ink)}
.tag{display:inline-flex;padding:9px 12px;border:1px solid var(--line);border-radius:999px;font-size:13px;font-weight:800;color:#c9d2dd}
.section.light .tag{color:#44505e;border-color:#d7dee7;background:#fff}

/* header */
.header{position:sticky;top:0;z-index:60;background:rgba(12,17,23,.9);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.07)}
.header-in{height:78px;display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:12px;min-width:max-content}
.brand-mark{width:46px;height:46px;border-radius:14px;background:linear-gradient(135deg,var(--blue),var(--cyan));display:grid;place-items:center;color:#081018;font-weight:1000}
.brand b{display:block;font-size:17px}.brand small{display:block;color:#7f8b98;font-size:11px;margin-top:2px}
.nav{margin-left:auto;display:flex;align-items:center;gap:20px}
.nav a{font-size:14px;font-weight:800;color:#c1cad4}
.nav a:hover,.nav a.active{color:#fff}
.menu{display:none;margin-left:auto;background:#16202b;color:#fff;border:1px solid var(--line);width:44px;height:44px;border-radius:12px}

/* hero */
.hero{position:relative;overflow:hidden;padding:82px 0 92px}
.hero:before{content:"";position:absolute;inset:auto -180px -260px auto;width:720px;height:720px;border-radius:50%;background:radial-gradient(circle,rgba(79,140,255,.22),transparent 66%)}
.hero:after{content:"";position:absolute;left:-220px;top:-280px;width:640px;height:640px;border-radius:50%;background:radial-gradient(circle,rgba(85,214,209,.14),transparent 70%)}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:64px;align-items:center}
.hero-copy p{font-size:21px;max-width:760px;margin-top:22px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.hero-visual{background:linear-gradient(180deg,#15202c,#10171f);border:1px solid var(--line);border-radius:32px;padding:22px;box-shadow:var(--shadow)}
.visual-screen{height:440px;border-radius:22px;background:
linear-gradient(90deg,transparent 49%,rgba(255,255,255,.04) 49% 51%,transparent 51%),
linear-gradient(#182431,#121b25);
position:relative;overflow:hidden}
.visual-screen:before{content:"";position:absolute;left:34px;right:34px;top:34px;height:46px;border-radius:12px;background:#0d141c;border:1px solid #253342}
.visual-screen:after{content:"";position:absolute;left:34px;right:34px;top:104px;bottom:34px;border-radius:18px;background:
linear-gradient(180deg,rgba(79,140,255,.16),rgba(85,214,209,.08)),
linear-gradient(90deg,#14202b 0 28%,#111a23 28% 100%);border:1px solid #253342}
.floating{position:absolute;background:#fff;color:var(--ink);border-radius:18px;padding:16px 18px;box-shadow:0 18px 40px rgba(0,0,0,.28)}
.floating.one{right:-22px;top:44px}.floating.two{left:-22px;bottom:54px}
.floating b{display:block;font-size:22px}.floating span{font-size:12px;color:#6d7884}

/* cards */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:26px}
.section.light .card{background:#fff;border-color:#dde4ec;box-shadow:0 10px 24px rgba(23,35,48,.06)}
.icon{width:52px;height:52px;border-radius:15px;display:grid;place-items:center;background:#17263a;color:var(--cyan);font-size:23px;margin-bottom:18px}
.section.light .icon{background:#eef4ff;color:var(--blue)}
.card p{font-size:16px;margin-top:10px}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.diagram{height:460px;border-radius:28px;border:1px solid var(--line);background:#101821;position:relative;overflow:hidden}
.diagram:before{content:"";position:absolute;left:10%;top:16%;width:80%;height:68%;border:1px dashed #38506a;border-radius:20px}
.node{position:absolute;width:150px;padding:14px;border-radius:14px;background:#152331;border:1px solid #2c4055;color:#fff;font-size:13px;font-weight:800}
.node.n1{left:8%;top:12%}.node.n2{right:8%;top:20%}.node.n3{left:28%;bottom:12%}.node.n4{right:10%;bottom:18%}
.section.light .diagram{background:#f2f6fb;border-color:#dbe3ec}
.section.light .node{background:#fff;color:#1e2a36;border-color:#d7e0ea}
.checks{display:grid;gap:14px;margin-top:24px}
.check{display:flex;gap:12px;align-items:flex-start}
.check i{font-style:normal;width:26px;height:26px;border-radius:8px;background:var(--lime);color:#17210c;display:grid;place-items:center;font-weight:1000;flex:0 0 auto}

/* process */
.process{display:grid;gap:14px;max-width:920px;margin:auto}
.step{display:grid;grid-template-columns:58px 1fr;gap:16px;padding:22px;border-radius:18px;background:var(--panel);border:1px solid var(--line)}
.section.light .step{background:#fff;border-color:#dde4ec}
.num{width:44px;height:44px;border-radius:12px;background:var(--blue);display:grid;place-items:center;font-weight:1000}

/* faq */
.faq{max-width:960px;margin:auto;display:grid;gap:12px}
.faq details{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px 20px}
.section.light .faq details{background:#fff;border-color:#dde4ec}
.faq summary{cursor:pointer;font-weight:900;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";float:right;color:var(--cyan)}
.faq details[open] summary:after{content:"−"}
.faq p{font-size:16px;margin-top:12px}

/* forms */
.formbox{background:linear-gradient(135deg,#17243a,#14202d);border:1px solid #29415e;border-radius:26px;padding:34px}
.formbox h2{font-size:46px}
.formbox p{margin-top:12px}
.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}
.formgrid .full{grid-column:1/-1}
input,select,textarea{width:100%;border:1px solid #33465a;background:#0f1720;color:#fff;border-radius:12px;padding:14px 15px;outline:none}
textarea{min-height:120px;resize:vertical}
.section.light input,.section.light select,.section.light textarea{background:#fff;color:var(--ink);border-color:#d6e0ea}
.formgrid button{border:0}

/* footer */
.footer{background:#080c11;border-top:1px solid #171f29;padding:52px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:32px}
.footer p,.footer a,.footer span{color:#81909f;font-size:14px;line-height:1.6}
.footer h4{margin:0 0 12px}.footer a{display:block;margin:7px 0}
.footer-bottom{margin-top:30px;padding-top:16px;border-top:1px solid #171f29;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}

/* mobile */
@media(max-width:1050px){
  .hero-grid,.split{grid-template-columns:1fr}
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .nav{display:none;position:absolute;top:78px;left:20px;right:20px;background:#101821;border:1px solid var(--line);border-radius:18px;padding:18px;grid-template-columns:1fr}
  .header.open .nav{display:grid}
  .menu{display:block}
  .header .btn{display:none}
}
@media(max-width:700px){
  .wrap{width:min(100% - 28px,640px)}
  .section{padding:60px 0}
  .hero{padding:52px 0 62px}
  h1{font-size:44px}.hero-copy p{font-size:17px}
  .visual-screen{height:310px}
  .floating{position:static;margin-top:10px}
  .g4,.g3,.g2,.footer-grid{grid-template-columns:1fr}
  .formgrid{grid-template-columns:1fr}.formgrid .full{grid-column:auto}
  .formbox{padding:24px}.formbox h2{font-size:34px}
}