:root{
  --bg:#f7f8fb;--bg2:#eef1f7;--card:#ffffff;--line:#e1e6ef;
  --text:#16233f;--muted:#5b6782;--accent:#f5a623;--accent-t:#b8740a;--accent2:#16233f;--navy:#16233f;
  --radius:16px;--max:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;font-size:17px}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}

/* header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(247,248,251,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-weight:800;font-size:20px;letter-spacing:-.02em;display:flex;align-items:center;gap:10px}
.logo img{display:block}
.logo small{font-size:12px;font-weight:600;color:var(--muted);border-left:1px solid var(--line);padding-left:10px;margin-left:2px;letter-spacing:0}
.logo b{color:var(--accent);font-weight:800}
.nav{display:flex;gap:28px;align-items:center}
.nav a{color:var(--muted);font-size:15px;transition:color .2s}
.nav a:hover,.nav a.active{color:var(--text)}
.burger{display:none;background:none;border:0;color:var(--text);font-size:26px;cursor:pointer}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:12px;font-weight:600;font-size:16px;border:1px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .2s,background .2s}
.btn-p{background:var(--accent);color:var(--navy)}
.btn-p:hover{transform:translateY(-1px);box-shadow:0 8px 30px rgba(245,166,35,.35)}
.btn-g{border-color:var(--line);color:var(--text);background:transparent}
.btn-g:hover{background:var(--card)}
.nav .btn{padding:9px 18px;font-size:14px;color:var(--navy)}

/* hero */
.hero{padding:110px 0 90px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;inset:-200px -200px auto auto;width:700px;height:700px;background:radial-gradient(circle,rgba(245,166,35,.16),transparent 60%);pointer-events:none}
.hero:after{content:"";position:absolute;left:-200px;bottom:-300px;width:600px;height:600px;background:radial-gradient(circle,rgba(22,35,63,.07),transparent 60%);pointer-events:none}
.tag{display:inline-block;padding:6px 14px;border:1px solid var(--line);border-radius:99px;color:var(--accent-t);font-size:13px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;margin-bottom:22px}
h1{font-size:clamp(36px,5.6vw,64px);line-height:1.08;letter-spacing:-.03em;font-weight:800;max-width:900px}
h1 em,h2 em{font-style:normal;color:var(--accent)}
.lead{font-size:clamp(17px,2vw,20px);color:var(--muted);max-width:680px;margin:24px 0 36px}
.cta{display:flex;gap:14px;flex-wrap:wrap}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:70px}
.stat{padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg2)}
.stat b{display:block;font-size:32px;font-weight:800;color:var(--accent-t);letter-spacing:-.02em}
.stat span{color:var(--muted);font-size:14px}

/* sections */
section{padding:90px 0}
.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2{font-size:clamp(28px,3.6vw,42px);line-height:1.15;letter-spacing:-.02em;font-weight:800;margin-bottom:14px}
.sub{color:var(--muted);max-width:640px;margin-bottom:48px}
.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(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:border-color .2s,transform .2s}
.card:hover{border-color:#c9d1e0;box-shadow:0 10px 30px rgba(22,35,63,.07);transform:translateY(-2px)}
.card h3{font-size:20px;margin-bottom:10px;letter-spacing:-.01em}
.card p{color:var(--muted);font-size:15.5px}
.ico{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;font-size:22px;background:rgba(245,166,35,.14);margin-bottom:18px}
.res{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);font-size:15px;color:var(--accent-t);font-weight:600}
.badge{display:inline-block;font-size:12px;font-weight:700;padding:3px 10px;border-radius:99px;background:var(--navy);color:#fff;margin-bottom:14px;text-transform:uppercase;letter-spacing:.04em}
.vcard{display:block;padding:36px;position:relative;overflow:hidden}
.vcard .more{margin-top:22px;color:var(--accent-t);font-weight:600}
.vcard ul{list-style:none;margin-top:16px}
.vcard li{padding:6px 0 6px 26px;position:relative;color:var(--muted)}
.vcard li:before{content:"✓";position:absolute;left:0;color:var(--accent-t);font-weight:700}

/* steps */
.steps{counter-reset:s}
.step{position:relative;padding-top:58px}
.step:before{counter-increment:s;content:"0" counter(s);position:absolute;top:24px;left:28px;font-weight:800;font-size:15px;color:var(--accent-t);letter-spacing:.05em}

/* pricing */
.price{display:flex;flex-direction:column}
.price .amt{font-size:34px;font-weight:800;letter-spacing:-.02em;margin:12px 0 4px}
.price .per{color:var(--muted);font-size:14px;margin-bottom:20px}
.price ul{list-style:none;flex:1;margin-bottom:24px}
.price li{padding:7px 0 7px 26px;position:relative;color:var(--muted);font-size:15.5px}
.price li:before{content:"✓";position:absolute;left:0;color:var(--accent-t);font-weight:700}
.price.hot{border-color:var(--accent-t);box-shadow:0 0 0 1px var(--accent) inset}

/* table */
.tbl{width:100%;border-collapse:collapse;font-size:15.5px}
.tbl th,.tbl td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left}
.tbl th{color:var(--muted);font-weight:600;font-size:14px}
.tbl td:last-child{color:var(--accent-t);font-weight:600}

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

/* chat demo */
.chat{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:22px;max-width:440px;margin-left:auto}
.chat .top{display:flex;align-items:center;gap:10px;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:16px;font-weight:600}
.chat .top i{width:10px;height:10px;border-radius:50%;background:var(--accent)}
.msg{padding:11px 15px;border-radius:14px;margin-bottom:10px;max-width:85%;font-size:15px}
.msg.b{background:var(--bg2)}
.msg.u{background:var(--navy);color:#fff;margin-left:auto}
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}

/* form */
.form{display:grid;gap:14px}
.form input,.form select,.form textarea{width:100%;padding:14px 16px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--text);font:inherit;font-size:16px}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--accent)}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form small{color:var(--muted);font-size:13px}
.ok{display:none;padding:16px;border-radius:12px;background:rgba(245,166,35,.14);color:var(--accent-t);font-weight:600}

/* band */
.band{background:var(--navy);color:#fff;border-radius:24px;padding:56px;text-align:center}
.band .cta{justify-content:center;margin-top:28px}
.band p{color:#b9c3d8;max-width:620px;margin:0 auto}

/* footer */
.ftr{padding:50px 0 34px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}
.ftr .wrap{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
.ftr h4{color:var(--text);margin-bottom:12px;font-size:15px}
.ftr a{display:block;padding:3px 0}
.ftr a:hover{color:var(--text)}
.copy{grid-column:1/-1;border-top:1px solid var(--line);padding-top:20px;margin-top:10px}

.page-hero{padding:90px 0 60px}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s,transform .6s}
.reveal.in{opacity:1;transform:none}

@media(max-width:960px){
  .g3,.g4,.stats{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr}
  .chat{margin:0}
}
@media(max-width:720px){
  body{font-size:16px}
  .nav{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;background:var(--bg2);padding:20px;border-bottom:1px solid var(--line);gap:16px}
  .nav.open{display:flex}
  .burger{display:block}
  .g2,.g3,.g4,.stats,.form .row{grid-template-columns:1fr}
  section{padding:64px 0}
  .hero{padding:70px 0 60px}
  .band{padding:36px 22px}
  .ftr .wrap{grid-template-columns:1fr}
  .tbl{font-size:14px}
  .tbl th,.tbl td{padding:10px 8px}
}

.band .btn-g{color:#fff;border-color:rgba(255,255,255,.3)}.band .btn-g:hover{background:rgba(255,255,255,.08)}
.band:before{content:"";display:block;width:56px;height:56px;margin:0 auto 22px;background:url(logo.svg) center/contain no-repeat;border-radius:14px;box-shadow:0 0 0 1px rgba(255,255,255,.12)}
.ftr{background:var(--navy);color:#9fabc4;border-top:0}.ftr h4{color:#fff}.ftr a:hover{color:#fff}.ftr .logo{color:#fff}.ftr .copy{border-color:rgba(255,255,255,.1)}
.slogan{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--navy)}
.slogan:before{content:"";width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(245,166,35,.2)}
.stat b{color:var(--navy)}