:root{
  --ink:#171a20;
  --muted:#5c6470;
  --line:#e2e5ea;
  --bg:#ffffff;
  --band:#f5f6f8;
  --accent:#1f5f4b;
  --accent-soft:#e6f0ec;
  --radius:14px;
  --wrap:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.62 "Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.block{padding:72px 24px}
.narrow{max-width:800px}
h1,h2,h3,h4{line-height:1.22;margin:0 0 14px;font-weight:600;letter-spacing:-.01em}
h1{font-size:clamp(30px,4.6vw,50px)}
h2{font-size:clamp(24px,3vw,34px)}
h3{font-size:20px}
h4{font-size:17px}
p{margin:0 0 16px}
.sub{color:var(--muted);max-width:62ch}

.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:saturate(150%) blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;text-decoration:none;font-size:18px}
.mark{width:22px;height:22px;border-radius:6px;background:var(--accent);box-shadow:inset 0 0 0 4px var(--accent-soft)}
.top nav{display:flex;align-items:center;gap:26px}
.top nav a{text-decoration:none;color:var(--muted);font-size:15px}
.top nav a:hover{color:var(--ink)}
.top nav a.cta{color:#fff;background:var(--accent);padding:9px 16px;border-radius:999px}
.burger{display:none;background:none;border:0;font-size:22px;cursor:pointer;color:var(--ink)}

.hero{border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fbfcfc,#fff)}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center;padding:72px 24px}
.eyebrow{color:var(--accent);font-size:13px;letter-spacing:.09em;text-transform:uppercase;margin-bottom:14px}
.lead{color:var(--muted);font-size:18px;max-width:58ch}
.row{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0 30px}
.btn{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;padding:12px 22px;border-radius:999px;border:0;font:inherit;font-size:15px;cursor:pointer}
.btn.ghost{background:transparent;color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.stats{list-style:none;display:flex;gap:38px;padding:22px 0 0;margin:0;border-top:1px solid var(--line);flex-wrap:wrap}
.stats b{display:block;font-size:26px}
.stats span{color:var(--muted);font-size:13px}
.hero-art{margin:0}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:34px}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:#fff}
.card img{margin-bottom:14px}
.card ul{margin:14px 0 0;padding-left:18px;color:var(--muted);font-size:14px}
.card li{margin-bottom:5px}

.band{background:var(--band);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin:30px 0 40px}
.step span{display:inline-block;font-size:13px;color:var(--accent);letter-spacing:.12em;margin-bottom:8px}
.step p{color:var(--muted);font-size:14px;margin:0}
.chart{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}

.cases{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:30px}
.case{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.case img{border-bottom:1px solid var(--line);background:#fbfcfc}
.case h3,.case p{padding:0 24px}
.case h3{margin-top:22px}
.case p{color:var(--muted);font-size:15px;padding-bottom:24px}

form{display:grid;gap:16px;max-width:520px;margin:26px 0 34px}
label{display:grid;gap:6px;font-size:14px;color:var(--muted)}
input,textarea{font:inherit;font-size:15px;color:var(--ink);padding:11px 13px;border:1px solid var(--line);border-radius:10px;background:#fff}
input:focus,textarea:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}
form .btn{justify-self:start}
.note{color:var(--accent);font-size:14px;margin:0}
.contact-lines{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;border-top:1px solid var(--line);padding-top:24px;color:var(--muted);font-size:14px}
.contact-lines b{color:var(--ink)}

.foot{border-top:1px solid var(--line);background:#fff}
.foot-grid{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:26px 24px;flex-wrap:wrap;color:var(--muted);font-size:14px}
.foot nav{display:flex;gap:20px}
.foot a{text-decoration:none}
.foot a:hover{color:var(--ink)}

@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:34px;padding:48px 24px}
  .cards,.steps,.cases,.contact-lines{grid-template-columns:1fr}
  .block{padding:52px 24px}
  .top nav{position:absolute;left:0;right:0;top:68px;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;gap:0;padding:8px 24px 16px;display:none}
  .top nav.open{display:flex}
  .top nav a{padding:10px 0}
  .burger{display:block}
}