:root{
  --primary-700:#1447e6;
  --primary-600:#155dfc;
  --primary-500:#2b7fff;
  --primary-200:#bedbff;
  --primary-100:#dbeafe;
  --primary-50:#eff6ff;
  --neutral-900:#171717;
  --neutral-700:#404040;
  --neutral-600:#525252;
  --neutral-500:#737373;
  --neutral-400:#a3a3a3;
  --neutral-200:#e5e5e5;
  --neutral-100:#f5f5f5;
  --neutral-50:#fafafa;
  --white:#ffffff;
  --bg:#ffffff;
  --card:#ffffff;
  --text:var(--neutral-900);
  --sub:var(--neutral-600);
  --border:var(--neutral-200);
}


*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
html{scroll-padding-top:env(safe-area-inset-top,0px);}
body{
  background:var(--bg);
  color:var(--text);
  font-family:"Inter",-apple-system,"Segoe UI",sans-serif;
  letter-spacing:-0.01em;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
  -webkit-font-smoothing:antialiased;
}

.hero{
  text-align:center;
  padding:52px clamp(20px,4vw,56px) 36px;
  max-width:720px;
  margin:0 auto;
}
.hero .eyebrow{
  color:var(--primary-600);
  font-size:14px;
  font-weight:600;
  margin-bottom:10px;
}
.hero h1{
  font-size:clamp(30px,4.5vw,44px);
  line-height:1.1;
  font-weight:600;
  margin:0 0 14px;
  color:var(--text);
}
.hero p{
  color:var(--sub);
  font-size:16px;
  margin:0;
}

.wrap{
  max-width:1180px;
  margin:0 auto;
  padding:8px clamp(20px,4vw,56px) 80px;
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:28px;
  align-items:start;
}
@media (max-width:900px){
  .wrap{grid-template-columns:1fr;}
}

.cards{
  display:flex;
  flex-direction:column;
  gap:16px;
}

.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:16px;
  padding:22px 22px;
  transition:border-color .15s ease, box-shadow .15s ease;
}
.card[data-on="true"]{
  border-color:var(--primary-200);
  box-shadow:0 1px 0 0 var(--primary-100) inset;
}

.card-top{
  display:flex;
  align-items:flex-start;
  gap:14px;
}
.card-icon{
  width:44px;height:44px;
  border-radius:10px;
  background:var(--primary-50);
  color:var(--primary-600);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.card-icon svg{width:22px;height:22px;}

.card-main{flex:1; min-width:0;}
.card-head-row{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:10px;
}
.card h3{
  margin:0 0 4px;
  font-size:17px;
  font-weight:600;
  color:var(--text);
}
.card .desc{
  margin:0;
  font-size:14px;
  color:var(--sub);
  line-height:1.5;
}
.rate{
  font-size:13px;
  color:var(--primary-600);
  font-weight:600;
  margin-top:8px;
}

.switch{
  position:relative;
  width:40px;
  height:23px;
  border-radius:999px;
  background:var(--neutral-200);
  cursor:pointer;
  flex-shrink:0;
  transition:background .15s ease;
}
.switch[data-on="true"]{background:var(--primary-600);}
.switch .knob{
  position:absolute;
  top:2px; left:2px;
  width:19px;height:19px;
  background:#fff;
  border-radius:50%;
  transition:left .15s ease;
  box-shadow:0 1px 2px rgba(0,0,0,.25);
}
.switch[data-on="true"] .knob{left:19px;}

.card-body{
  margin-top:16px;
  padding-top:16px;
  border-top:1px solid var(--border);
}
.card[data-on="false"] .card-body{display:none;}
.card[data-on="false"]{opacity:.6;}

.type-row{
  display:flex;
  gap:8px;
  margin-bottom:14px;
  flex-wrap:wrap;
}
.type-row button{
  border:1px solid var(--border);
  background:transparent;
  color:var(--text);
  padding:8px 14px;
  border-radius:999px;
  font-size:13px;
  cursor:pointer;
  font-family:inherit;
  font-weight:500;
}
.type-row button[aria-pressed="true"]{
  background:var(--primary-600);
  color:#fff;
  border-color:var(--primary-600);
}

.qty-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:8px 0;
}
.qty-row + .qty-row{border-top:1px dashed var(--border);}
.qty-label{
  font-size:13px;
  color:var(--sub);
}
.qty-label .p{
  display:block;
  font-size:12px;
  color:var(--neutral-400);
  margin-top:2px;
}
.stepper{
  display:flex;
  align-items:center;
  border:1px solid var(--border);
  border-radius:10px;
  overflow:hidden;
  flex-shrink:0;
}
.stepper button{
  width:32px;height:34px;
  border:none;
  background:var(--neutral-50);
  color:var(--text);
  font-size:16px;
  cursor:pointer;
  font-family:inherit;
}
.stepper button:hover{background:var(--primary-50); color:var(--primary-600);}
.stepper input{
  width:44px;
  text-align:center;
  border:none;
  border-left:1px solid var(--border);
  border-right:1px solid var(--border);
  height:34px;
  font-size:14px;
  font-weight:600;
  color:var(--text);
  background:var(--card);
  font-family:inherit;
}
.stepper input::-webkit-outer-spin-button,
.stepper input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0;}

.line-amt{
  text-align:right;
  margin-top:14px;
  font-size:14px;
  color:var(--sub);
}
.line-amt strong{
  color:var(--text);
  font-size:16px;
  font-weight:700;
}

.subhead{
  font-size:12px;
  font-weight:600;
  color:var(--neutral-500);
  text-transform:uppercase;
  letter-spacing:.04em;
  margin:16px 0 8px;
}
.subhead:first-child{margin-top:0;}

/* ---- summary ---- */
.summary{
  position:sticky;
  top:20px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:16px;
  padding:26px;
}
.summary h2{
  font-size:18px;
  font-weight:600;
  margin:0 0 16px;
}
.summary-item{
  display:flex;
  justify-content:space-between;
  gap:10px;
  padding:10px 0;
  border-bottom:1px solid var(--border);
  font-size:14px;
}
.summary-item:last-of-type{border-bottom:none;}
.summary-item .n{color:var(--text);}
.summary-item .n small{
  display:block;
  color:var(--sub);
  font-size:12px;
  margin-top:2px;
}
.summary-item .v{
  font-weight:600;
  color:var(--text);
  white-space:nowrap;
}
.summary-empty{
  color:var(--sub);
  font-size:13px;
  padding:8px 0 16px;
}

.total-row{
  margin-top:14px;
  padding-top:16px;
  border-top:2px solid var(--text);
  display:flex;
  justify-content:space-between;
  align-items:baseline;
}
.total-row .tl{font-size:15px; color:var(--sub);}
.total-row .tv{font-size:28px; font-weight:800; color:var(--primary-600);}
.total-note{font-size:12px; color:var(--sub); margin-top:4px; text-align:right;}

.cta{
  display:block;
  width:100%;
  margin-top:20px;
  padding:14px;
  border:none;
  border-radius:999px;
  background:var(--primary-600);
  color:#fff;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  font-family:inherit;
}
.cta:hover{background:var(--primary-700);}
.cta-sub{
  display:block;
  text-align:center;
  font-size:12px;
  color:var(--sub);
  margin-top:10px;
}

.flash{
  text-align:center;
  font-size:12px;
  color:var(--primary-600);
  min-height:16px;
  margin-top:8px;
}

footer.foot{
  text-align:center;
  padding:24px;
  color:var(--sub);
  font-size:12px;
  border-top:1px solid var(--border);
}