:root{
  --bg:#efefed;
  --paper:#ffffff;
  --paper-soft:#fafaf8;
  --text:#101010;
  --muted:#6c6c68;
  --line:#e5e5e1;
  --line-strong:#d7d7d2;
  --chip:#f2f2ef;
  --shadow:0 18px 54px rgba(18,18,18,.055);
  --radius:30px;
  --radius-md:22px;
  --radius-sm:16px;
  --max:1320px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.site-shell{width:min(calc(100% - 34px),var(--max));margin:24px auto 40px}
.page{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.site-header{
  min-height:78px;padding:0 44px;
  display:flex;align-items:center;justify-content:space-between;gap:34px;
  border-bottom:1px solid transparent;
}
.brand{
  font-size:20px;font-weight:800;letter-spacing:-.045em;
  display:flex;align-items:baseline;gap:10px;white-space:nowrap;
}
.brand small{
  color:var(--muted);font-size:10px;font-weight:600;
  text-transform:uppercase;letter-spacing:.12em;
}
.nav{display:flex;align-items:center;justify-content:center;gap:26px;flex-wrap:wrap}
.nav a{font-size:12px;color:var(--muted)}
.nav a:hover,.nav a.active{color:var(--text)}
.header-link{
  font-size:12px;font-weight:650;padding:10px 16px;border-radius:999px;
  background:var(--text);color:white;
}
.content{padding:18px 44px 48px}
.hero{
  padding:66px 0 82px;
  border-bottom:1px solid var(--line);
}
.hero h1{
  margin:0 0 20px;
  font-size:clamp(56px,7vw,104px);
  line-height:.92;letter-spacing:-.075em;
  max-width:1050px;
}
.hero h1 span{font-weight:400}
.hero p{
  margin:0;max-width:760px;color:var(--muted);
  font-size:17px;line-height:1.72;
}
.hero-actions{margin-top:28px;display:flex;gap:12px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 17px;border-radius:999px;border:1px solid var(--line-strong);
  background:white;font-size:13px;font-weight:650;
}
.btn.primary{background:var(--text);color:#fff;border-color:var(--text)}

.section{
  padding:78px 0;
  border-bottom:1px solid var(--line);
}
.section:last-child{border-bottom:0}
.section-head{
  display:flex;align-items:end;justify-content:space-between;gap:32px;
  margin-bottom:30px;
}
.section-head h2{
  margin:0;font-size:clamp(34px,4.5vw,58px);
  line-height:1;letter-spacing:-.055em;
}
.section-head p{
  margin:10px 0 0;max-width:760px;color:var(--muted);
  font-size:15px;line-height:1.7;
}
.section-head a{font-size:12px;color:var(--muted);white-space:nowrap}

.feature{
  display:grid;grid-template-columns:minmax(0,1.55fr) minmax(320px,.65fr);
  gap:30px;align-items:stretch;
}
.feature-main{
  border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;background:#fff;
}
.feature-main .media{aspect-ratio:16/9;background:#111;overflow:hidden}
.feature-main .media img{width:100%;height:100%;object-fit:cover}
.feature-body{padding:28px 30px 32px}
.feature-body h3{
  font-size:clamp(29px,3vw,45px);line-height:1.05;letter-spacing:-.045em;margin:0 0 15px
}
.feature-body p{margin:0;color:var(--muted);font-size:15px;line-height:1.72}
.aside-copy{
  border:1px solid var(--line);border-radius:var(--radius-md);
  padding:30px;background:var(--paper-soft);
  display:flex;flex-direction:column;justify-content:space-between;
}
.aside-copy strong{font-size:22px;line-height:1.18;letter-spacing:-.03em}
.aside-copy p{color:var(--muted);font-size:14px;line-height:1.65}
.aside-copy a{font-size:13px;font-weight:650}

.pills{display:flex;gap:7px;flex-wrap:wrap;margin:0 0 16px}
.pill{
  padding:6px 10px;border-radius:999px;background:var(--chip);
  font-size:10px;font-weight:650;color:#444;
}
.link-list{
  border-top:1px solid var(--line);
}
.link-row{
  padding:22px 0;display:grid;grid-template-columns:170px 1fr auto;gap:24px;
  align-items:center;border-bottom:1px solid var(--line);
}
.link-row:last-child{border-bottom:0}
.link-row small{color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.1em}
.link-row strong{font-size:20px;letter-spacing:-.025em}
.link-row span{color:var(--muted);font-size:14px;line-height:1.55}
.arrow{font-size:18px;color:var(--muted)}

.page-hero{
  padding:62px 0 76px;
  display:grid;grid-template-columns:minmax(0,.8fr) minmax(480px,1.2fr);
  gap:50px;align-items:center;border-bottom:1px solid var(--line);
}
.page-hero h1{
  margin:0 0 18px;font-size:clamp(58px,7vw,98px);line-height:.92;letter-spacing:-.075em
}
.page-hero p{margin:0 0 15px;color:var(--muted);font-size:16px;line-height:1.72}
.page-hero .media{
  border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;background:#f4f4f1;
}
.page-hero .media img{width:100%;height:auto}
.stats{
  margin-top:28px;display:grid;grid-template-columns:repeat(3,1fr);gap:12px
}
.stat{
  border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 17px;background:white
}
.stat b{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:7px}
.stat span{display:block;color:var(--muted);font-size:12px;line-height:1.5}

.prose-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:24px
}
.card{
  border:1px solid var(--line);border-radius:var(--radius-md);
  padding:28px 30px;background:#fff
}
.card h3{margin:0 0 13px;font-size:23px;letter-spacing:-.035em}
.card p,.card li{color:var(--muted);font-size:14px;line-height:1.68}
.card p{margin:0}.card ul{margin:0;padding-left:20px}
.statement{
  border-radius:var(--radius-md);padding:32px 34px;background:#111;color:white;
  font-size:clamp(22px,2.4vw,34px);line-height:1.32;letter-spacing:-.025em;
}
.flow{
  display:grid;grid-template-columns:repeat(5,1fr);gap:12px;
}
.flow-item{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:18px;background:var(--paper-soft);min-height:130px
}
.flow-item b{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:9px}
.flow-item span{display:block;color:var(--muted);font-size:13px;line-height:1.55}

.data-list{border-top:1px solid var(--line)}
.data-row{
  display:grid;grid-template-columns:230px 1fr;gap:28px;
  padding:18px 0;border-bottom:1px solid var(--line)
}
.data-row strong{font-size:14px}
.data-row span{color:var(--muted);font-size:14px;line-height:1.65}

.ui-frame-wrap{
  border:1px solid var(--line);border-radius:var(--radius-md);
  overflow:hidden;background:#e9e7df;
}
.ui-frame{
  display:block;width:100%;height:760px;border:0;background:#e9e7df;
}
.ui-frame.tall{height:980px}
.ui-caption{
  margin-top:12px;color:var(--muted);font-size:12px;line-height:1.5;
}
.split-ui{display:grid;grid-template-columns:1fr;gap:32px}
.version-note{
  display:inline-flex;padding:6px 10px;border-radius:999px;background:#111;color:#fff;
  font-size:10px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:15px
}
.footer{
  padding:24px 0 8px;text-align:center;color:var(--muted);font-size:12px
}

@media(max-width:1050px){
  .feature,.page-hero,.prose-grid{grid-template-columns:1fr}
  .page-hero{gap:30px}
  .flow{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .site-shell{width:min(calc(100% - 18px),var(--max));margin:9px auto 24px}
  .page{border-radius:20px}
  .site-header{padding:20px 20px;align-items:flex-start;flex-direction:column;gap:16px}
  .nav{justify-content:flex-start;gap:14px}
  .header-link{display:none}
  .content{padding:8px 20px 30px}
  .hero{padding:44px 0 56px}
  .section{padding:56px 0}
  .section-head{align-items:flex-start;flex-direction:column}
  .link-row{grid-template-columns:1fr;gap:7px}
  .page-hero{padding:44px 0 58px}
  .stats{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .data-row{grid-template-columns:1fr;gap:6px}
  .ui-frame{height:520px}
  .ui-frame.tall{height:720px}
}