:root{
  --bg:#ffffff;
  --text:#111111;
  --muted:#5e5e5e;
  --line:#e6e6e6;
  --soft:#f7f7f7;
  --max:980px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit}
.site-header{
  border-bottom:1px solid var(--line);
  background:#fff;
  position:sticky;
  top:0;
  z-index:20;
}
.wrap{width:min(var(--max),92vw);margin:0 auto}
.nav{
  min-height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}
.brand{
  font-weight:700;
  letter-spacing:.02em;
  text-decoration:none;
  white-space:nowrap;
}
.nav-links{
  display:flex;
  gap:22px;
  flex-wrap:wrap;
  align-items:center;
}
.nav-links a{
  text-decoration:none;
  color:#222;
  font-size:.96rem;
}
.nav-links a:hover{text-decoration:underline}
main{min-height:70vh}
.hero{
  padding:96px 0 54px;
}
.kicker{
  font-size:.82rem;
  text-transform:uppercase;
  letter-spacing:.12em;
  color:#555;
  margin-bottom:20px;
}
h1,h2,h3{
  font-weight:500;
  letter-spacing:-.035em;
  line-height:1.08;
  margin:0 0 18px;
}
h1{font-size:clamp(3rem,8vw,5.4rem)}
h2{font-size:clamp(2.2rem,5vw,3.8rem)}
h3{font-size:clamp(1.5rem,3.5vw,2.3rem)}
p{margin:0 0 18px}
.lead{
  max-width:720px;
  font-size:1.12rem;
  color:#444;
}
.button{
  display:inline-block;
  margin-top:10px;
  padding:12px 18px;
  border:1px solid #111;
  background:#111;
  color:#fff;
  text-decoration:none;
  font-weight:600;
}
.button:hover{background:#fff;color:#111}
.button.secondary{
  background:#fff;color:#111;
}
.section{
  padding:52px 0;
  border-top:1px solid var(--line);
}
.section.no-line{border-top:none}
.narrow{max-width:760px}
.card{
  border-top:1px solid #d9d9d9;
  padding:28px 0;
}
.card:first-child{border-top:none}
.grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:48px;
}
.list{
  padding-left:22px;
  margin:10px 0 24px;
}
.list li{margin:6px 0}
.page{
  padding:72px 0 90px;
}
.page-title{margin-bottom:46px}
.meta{
  color:#555;
  font-weight:600;
  margin-bottom:26px;
}
.prose{
  max-width:760px;
}
.prose h2{
  font-size:2rem;
  margin-top:42px;
  margin-bottom:14px;
  letter-spacing:-.025em;
}
.prose h3{
  font-size:1.5rem;
  margin-top:34px;
  margin-bottom:12px;
}
.prose p,.prose li{color:#333}
.app-title{font-size:clamp(2.4rem,6vw,4.6rem);margin-bottom:54px}
.feature-heading{font-size:2.5rem;margin-top:34px}
.contact-form{
  max-width:720px;
  margin-top:24px;
}
.form-row{margin-bottom:18px}
label{
  display:block;
  font-weight:600;
  margin-bottom:6px;
}
input,textarea{
  width:100%;
  border:1px solid #bfbfbf;
  background:#fff;
  padding:12px 13px;
  font:inherit;
  color:#111;
}
textarea{min-height:140px;resize:vertical}
button{
  border:1px solid #111;
  background:#111;
  color:#fff;
  padding:12px 18px;
  font:inherit;
  font-weight:600;
  cursor:pointer;
}
button:hover{background:#fff;color:#111}
.note{
  margin-top:14px;
  color:#666;
  font-size:.92rem;
}
.site-footer{
  border-top:1px solid var(--line);
  padding:28px 0 46px;
  color:#555;
  font-size:.92rem;
}
.footer-links{
  display:flex;
  gap:18px;
  flex-wrap:wrap;
  margin-top:8px;
}
.footer-links a{color:#555}
@media (max-width:720px){
  .nav{align-items:flex-start;flex-direction:column;padding:18px 0}
  .nav-links{gap:14px 18px}
  .hero{padding-top:58px}
  .grid{grid-template-columns:1fr;gap:16px}
  .page{padding-top:52px}
}