:root{
  --bg:#f7f8fb;--surface:#fff;--ink:#141722;--muted:#687084;--line:#e6e9ef;
  --accent:#635bff;--accent-dark:#5048e7;--accent-soft:#f0efff;--green:#16a36a;
  --shadow:0 16px 50px rgba(27,31,53,.08);--r:20px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--bg);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55}
a{color:inherit;text-decoration:none}
.container{width:min(1120px,calc(100% - 40px));margin:auto}
.topbar{border-bottom:1px solid var(--line);background:rgba(255,255,255,.9);backdrop-filter:blur(12px);position:sticky;top:0;z-index:20}
.nav{height:72px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:900;letter-spacing:-.04em}
.brand-mark{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,#776fff,#534be8);box-shadow:0 8px 20px rgba(99,91,255,.25);font-size:13px}
.navlinks{display:flex;gap:25px;align-items:center;font-size:14px;color:var(--muted)}
.navlinks a:hover,.navlinks a.active{color:var(--ink)}
.nav-cta{padding:10px 15px;border-radius:11px;color:#fff!important;background:var(--accent);font-weight:800}
.hero{padding:78px 0 40px}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:66px;align-items:center}
.kicker{display:inline-flex;align-items:center;gap:8px;color:var(--accent);background:var(--accent-soft);padding:6px 10px;border-radius:999px;font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.08em}
h1{font-size:clamp(46px,6vw,76px);line-height:.99;letter-spacing:-.065em;margin:18px 0 20px}
.lead{font-size:18px;color:var(--muted);max-width:610px}
.actions{display:flex;gap:11px;flex-wrap:wrap;margin-top:28px}
.btn{border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 17px;border-radius:13px;font-weight:800;font-size:14px;cursor:pointer;transition:.18s;box-shadow:none;background:#fff}
.btn:hover{transform:translateY(-1px);border-color:#ccd1dd}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-dark);border-color:var(--accent-dark)}
.visual{background:linear-gradient(145deg,#171a29,#252942);border-radius:28px;box-shadow:var(--shadow);padding:20px;position:relative;overflow:hidden}
.visual:before{content:"";position:absolute;width:220px;height:220px;background:#756dff;filter:blur(80px);opacity:.24;right:-30px;top:-50px}
.window{position:relative;background:#fff;border-radius:20px;overflow:hidden;border:1px solid rgba(255,255,255,.3)}
.window-top{height:45px;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 15px;gap:7px}
.wdot{width:8px;height:8px;border-radius:50%;background:#d5d9e3}
.window-body{padding:24px}
.fake-input{border:1px solid #dfe3eb;border-radius:12px;padding:13px;color:#7c8495;font-size:13px;display:flex;justify-content:space-between;gap:10px}
.fake-btn{background:var(--accent);color:#fff;border-radius:10px;padding:8px 11px;font-size:11px;font-weight:900}
.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:12px}
.metric{border:1px solid var(--line);border-radius:14px;padding:12px;background:#fafbfe}
.metric b{display:block;font-size:18px}.metric span{font-size:10px;color:var(--muted)}
.mini-chart{margin-top:12px;border:1px solid var(--line);border-radius:14px;padding:12px}
.mini-chart svg{display:block;width:100%;height:120px}
.section{padding:76px 0}
.section h2{font-size:39px;line-height:1.08;letter-spacing:-.045em;margin:0 0 10px}
.section-lead{color:var(--muted);max-width:680px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:17px;margin-top:28px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:17px;margin-top:28px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:23px;box-shadow:0 6px 25px rgba(27,31,53,.03)}
.icon{width:43px;height:43px;display:grid;place-items:center;border-radius:13px;background:var(--accent-soft);color:var(--accent);font-weight:900}
.card h3{font-size:19px;margin:13px 0 7px;letter-spacing:-.02em}
.card p{margin:0;color:var(--muted)}
.tool-head{padding:66px 0 25px}
.tool-box{max-width:850px}
.form{display:grid;gap:16px}
label{display:block;font-size:13px;font-weight:800}
input,textarea,select{font:inherit;width:100%;margin-top:7px;padding:13px 14px;border:1px solid #dfe3eb;border-radius:12px;outline:none;background:#fff;color:var(--ink)}
input:focus,textarea:focus,select:focus{border-color:#8f89ff;box-shadow:0 0 0 4px rgba(99,91,255,.1)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.notice{padding:14px 16px;border-radius:13px;background:#f7f8fb;border:1px solid var(--line);color:var(--muted);font-size:13px}
.result{display:none;margin-top:3px;padding:17px;border-radius:14px;background:#f3fbf7;border:1px solid #c7ecd9}
.result.show{display:block}.result strong{color:var(--green)}
.result-value{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;word-break:break-all;margin-top:8px;color:#155f45}
.copy{margin-top:12px}
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.check{border:1px solid var(--line);border-radius:14px;padding:14px;background:#fff}
.check-head{display:flex;align-items:center;justify-content:space-between;font-weight:800}
.pass{color:var(--green)}.warn{color:#b7791f}
.progress{height:9px;background:#eceef4;border-radius:999px;overflow:hidden;margin-top:8px}.bar{height:100%;width:0;background:linear-gradient(90deg,#635bff,#8d86ff);transition:width .3s}
.pill{display:inline-flex;padding:5px 9px;border-radius:99px;background:#f0f1f6;color:#656e80;font-size:11px;font-weight:800}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:16px;margin-top:26px}
table{border-collapse:collapse;width:100%;min-width:620px}th,td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left}th{background:#f9fafc;color:#737c8e;font-size:11px;text-transform:uppercase;letter-spacing:.08em}td{font-size:14px}tr:last-child td{border-bottom:0}
.faq{display:grid;gap:10px;max-width:850px;margin-top:26px}
details{background:#fff;border:1px solid var(--line);border-radius:15px;padding:16px 18px}
summary{cursor:pointer;font-weight:800}details p{color:var(--muted);margin:9px 0 0}
.footer{padding:43px 0 55px;border-top:1px solid var(--line);margin-top:25px}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;color:#7b8394;font-size:13px}
.muted{color:var(--muted)}
@media(max-width:850px){.hero-grid,.grid-3,.grid-2{grid-template-columns:1fr}.navlinks{display:none}.hero{padding-top:55px}}
@media(max-width:600px){.container{width:min(100% - 24px,1120px)}h1{font-size:47px}.section h2{font-size:32px}.row,.check-grid{grid-template-columns:1fr}.footer-inner{flex-direction:column;align-items:flex-start}}