:root {
  --bg: #F4F8FC;
  --ink: #12263A;
  --muted: #3E5166;
  --card: #FFFFFF;
  --line: #D5E2EE;
  --teal: #0C7C74;
  --teal-d: #085E58;
  --teal-s: #E5F6F4;
  --gold: #C47B12;
  --navy: #16324C;
  --shadow: 0 10px 30px rgba(18, 38, 58, 0.06);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
}
a { color: var(--teal-d); }
.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px 28px;
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 2;
}
.mark {
  color: var(--navy);
  text-decoration: none;
  letter-spacing: 0.14em;
  font-weight: 700;
  font-size: 14px;
}
nav { display: flex; flex-wrap: wrap; gap: 8px 16px; }
nav a { color: var(--muted); text-decoration: none; font-weight: 600; font-size: 15px; }
nav a:hover { color: var(--teal-d); }
main { max-width: 1080px; margin: 0 auto; padding: 36px 22px 72px; }
.kicker {
  color: var(--teal-d);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 13px;
  font-weight: 700;
  margin: 0 0 8px;
}
h1 { font-size: 44px; line-height: 1.08; letter-spacing: -0.03em; margin: 0 0 14px; color: var(--navy); }
h2 { font-size: 30px; letter-spacing: -0.02em; margin: 0 0 10px; color: var(--navy); }
h3 { margin: 0 0 8px; font-size: 20px; }
.lede { font-size: 20px; color: var(--muted); max-width: 46rem; margin: 0 0 18px; }
.hero {
  background: linear-gradient(180deg, #fff 0%, #F7FBFF 100%);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 32px 32px 26px;
  box-shadow: var(--shadow);
}
.parent { color: var(--muted); font-size: 14px; margin: 0 0 14px; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 8px; }
.stat {
  background: var(--teal-s);
  border-radius: 16px;
  padding: 16px 16px 14px;
}
.stat b { display: block; font-size: 28px; letter-spacing: -0.03em; color: var(--teal-d); }
.stat span { display: block; margin-top: 4px; color: var(--ink); font-size: 15px; }
.grid2, .grid3, .grid4 { display: grid; gap: 14px; }
.grid2 { grid-template-columns: 1fr 1fr; }
.grid3 { grid-template-columns: repeat(3, 1fr); }
.grid4 { grid-template-columns: 1fr 1fr; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px 18px 16px;
  box-shadow: var(--shadow);
}
.tag {
  display: inline-block;
  background: var(--teal-s);
  color: var(--teal-d);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}
section { margin-top: 34px; }
.chart { margin-top: 8px; }
.bar {
  display: grid;
  grid-template-columns: 168px 1fr 148px;
  gap: 10px;
  align-items: center;
  margin: 8px 0;
  font-size: 15px;
}
.track { height: 22px; background: #E7EEF5; border-radius: 999px; overflow: hidden; }
.track i { display: block; height: 100%; border-radius: 999px; }
.bar b { text-align: right; font-variant-numeric: tabular-nums; }
table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 14px; overflow: hidden; }
th, td { text-align: right; padding: 10px 12px; border-bottom: 1px solid var(--line); font-variant-numeric: tabular-nums; }
th:first-child, td:first-child { text-align: left; }
th { background: #E7F5F3; color: var(--navy); font-size: 13px; letter-spacing: 0.04em; text-transform: uppercase; }
.note { color: var(--muted); font-size: 15px; margin: 10px 0 0; }
.wide { overflow-x: auto; }
.demo-panel textarea {
  width: 100%;
  min-height: 140px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  font: 15px/1.45 ui-monospace, "Cascadia Code", monospace;
  color: var(--ink);
  background: #FBFCFE;
}
.row { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
button, .preset {
  font: inherit;
  font-weight: 700;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--navy);
  padding: 8px 14px;
  cursor: pointer;
}
button.primary { background: var(--teal); color: #fff; border-color: var(--teal-d); }
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 12px; }
.metrics div { background: #F7FBFF; border: 1px solid var(--line); border-radius: 12px; padding: 10px; }
.metrics dt { color: var(--muted); font-size: 12px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; }
.metrics dd { margin: 4px 0 0; font-size: 18px; font-weight: 700; color: var(--navy); }
footer { color: var(--muted); font-size: 14px; margin-top: 28px; }
.price { font-size: 28px; font-weight: 700; color: var(--navy); margin: 0; }
.price span { font-size: 16px; color: var(--muted); font-weight: 600; }
@media (max-width: 800px) {
  h1 { font-size: 34px; }
  .stats, .grid2, .grid3, .grid4, .metrics { grid-template-columns: 1fr; }
  .bar { grid-template-columns: 1fr; }
  .hero { padding: 22px 18px; }
  .top { align-items: flex-start; flex-direction: column; }
}