:root{--ink:#171d28;--muted:#667085;--line:#dfe4ee;--blue:#2551ff;--paper:#f7f8fb;--dark:#202733;--orange:#ff681f}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--ink);font-family:Inter,Arial,sans-serif;line-height:1.6}
a{color:inherit}
.site-header,main,footer{width:min(1180px,calc(100% - 40px));margin:auto}
.site-header{display:flex;align-items:center;justify-content:space-between;padding:24px 0;border-bottom:1px solid var(--line)}
.paperbot-lockup{--signature-width:150px}
.paperbot-badge{width:38px;height:38px}
.site-header nav{display:flex;align-items:center;gap:26px;font-size:14px;font-weight:600}
.site-header nav>a:not(.button){text-decoration:none}
.hero{padding:clamp(80px,12vw,150px) 0;max-width:920px}
.eyebrow{margin:0 0 16px;color:var(--blue);font-size:12px;font-weight:700;letter-spacing:.13em;text-transform:uppercase}
h1,h2,h3{margin-top:0;line-height:1.08;letter-spacing:-.035em}
h1{font-size:clamp(46px,7vw,88px);max-width:1000px;margin-bottom:30px}
h2{font-size:clamp(34px,5vw,58px);max-width:900px;margin-bottom:28px}
h3{font-size:23px;margin-bottom:12px}
.lead{max-width:800px;color:var(--muted);font-size:clamp(18px,2.2vw,24px);line-height:1.5}
.actions{display:flex;align-items:center;gap:24px;margin-top:34px;flex-wrap:wrap}
.button{display:inline-flex;align-items:center;justify-content:center;padding:13px 20px;border-radius:7px;background:var(--blue);color:#fff;text-decoration:none;font-weight:700}
.text-link{font-weight:700;text-underline-offset:5px}
.section{padding:90px 0;border-top:1px solid var(--line)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:45px}
.grid article{background:#fff;padding:32px;min-height:220px}
.grid article p{color:var(--muted)}
.grid article a{color:var(--blue);font-weight:700}
.dark{width:100%;max-width:none;padding:90px max(20px,calc((100vw - 1180px)/2));background:var(--dark);color:#fff;border:0}
.dark .eyebrow{color:#8ea2ff}
.dark .lead,.dark article p{color:#c3cad9}
.dark .grid{border-color:#3b4557;background:#3b4557}
.dark .grid article{background:#252e3d}
.compact article{min-height:170px}
.steps{list-style:none;padding:0;margin:45px 0 0;display:grid;grid-template-columns:repeat(4,1fr);border:1px solid #3b4557}
.steps li{padding:26px;border-right:1px solid #3b4557}
.steps li:last-child{border:0}
.steps strong,.steps span{display:block}
.steps strong{color:#8ea2ff;margin-bottom:10px}
.steps span{color:#c3cad9}
details{border-top:1px solid var(--line);padding:20px 0}
details:last-child{border-bottom:1px solid var(--line)}
summary{font-size:19px;font-weight:700;cursor:pointer}
details p{max-width:850px;color:var(--muted)}
.proof{display:grid;grid-template-columns:1fr 1fr;gap:16px 50px;padding-left:22px;max-width:1000px}
.cta{margin:70px auto;padding:clamp(45px,7vw,85px);background:var(--paper);border-radius:12px}
.cta h2{font-size:clamp(32px,4.5vw,56px)}
footer{display:flex;justify-content:space-between;gap:20px;padding:30px 0 45px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
@media(max-width:800px){
  .site-header nav>a:not(.button){display:none}
  .grid,.steps,.proof{grid-template-columns:1fr}
  .steps li{border-right:0;border-bottom:1px solid #3b4557}
  .grid article{min-height:0}
  footer{flex-direction:column}
}