:root {
  --ground: oklch(0.985 0 0);
  --surface: oklch(1 0 0);
  --ink: oklch(0.22 0 0);
  --muted: oklch(0.45 0 0);
  --line: oklch(0.9 0 0);
  --link: oklch(0.2 0 0);
  --amber: oklch(0.8 0.15 75);
  --amber-ink: oklch(0.5 0.11 70);
  --sage: oklch(0.52 0.08 150);
  --serif: ui-serif, "New York", "Iowan Old Style", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", "Hiragino Sans", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ground: oklch(0.16 0 0);
    --surface: oklch(0.21 0 0);
    --ink: oklch(0.95 0 0);
    --muted: oklch(0.75 0 0);
    --line: oklch(0.32 0 0);
    --link: oklch(0.95 0 0);
    --amber-ink: oklch(0.84 0.13 80);
    --sage: oklch(0.78 0.09 150);
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font: 1.0625rem/1.6 var(--sans);
}
a { color: var(--link); text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 2px solid var(--link); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: 44rem; margin: 0 auto; padding: 0 1.25rem; }

header.site {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 1.5rem 0;
}
header.site img { width: 40px; height: 40px; border-radius: 10px; }
header.site a.home { font: 600 1.25rem/1 var(--serif); color: var(--ink); text-decoration: none; }
header.site nav { margin-left: auto; display: flex; gap: 1.25rem; font-size: 0.95rem; }

h1, h2, h3 { font-family: var(--serif); line-height: 1.15; text-wrap: balance; }
h1 { font-size: clamp(2.1rem, 6vw, 3.1rem); letter-spacing: -0.015em; margin: 2.5rem 0 1rem; }
h2 { font-size: 1.5rem; margin: 2.75rem 0 0.75rem; }
h3 { font-size: 1.15rem; margin: 1.75rem 0 0.4rem; }
p, li { text-wrap: pretty; }
.lede { font-size: 1.2rem; color: var(--muted); max-width: 36rem; }
.small { font-size: 0.9rem; color: var(--muted); }

/* The signature: the same log scale the app uses. */
.ladder { margin: 2.5rem 0 1rem; }
.ladder .track {
  position: relative; height: 12px; border-radius: 99px;
  background: var(--line);
}
.ladder .band {
  position: absolute; top: 0; bottom: 0; border-radius: 99px;
  background: color-mix(in oklch, var(--sage) 45%, transparent);
  outline: 1px solid var(--sage);
}
.ladder .mark {
  position: absolute; top: 50%; width: 20px; height: 20px; margin: -10px 0 0 -10px;
  border-radius: 50%; background: var(--amber); border: 3px solid var(--ground);
  box-shadow: 0 0 14px color-mix(in oklch, var(--amber) 70%, transparent);
}
.ladder .ticks, .ladder .zones {
  display: flex; justify-content: space-between; font-size: 0.8rem; color: var(--muted);
  margin-top: 0.5rem; font-variant-numeric: tabular-nums;
}

.facts { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); margin: 2rem 0; }
.facts h2 { margin: 0 0 0.4rem; font-size: 1.15rem; }
.facts p { margin: 0; color: var(--muted); }

.price {
  margin: 2.5rem 0; padding: 1.5rem 1.5rem 1.25rem;
  background: var(--surface); border: 1px solid var(--line); border-radius: 18px;
}
.price p { margin: 0.25rem 0; }
.price strong { font-family: var(--serif); font-size: 1.25rem; }

dl.faq dt { font-weight: 600; margin-top: 1.5rem; }
dl.faq dd { margin: 0.35rem 0 0; color: var(--muted); }

ol.steps { padding-left: 1.25rem; }
ol.steps li { margin: 0.5rem 0; }

footer.site { margin: 4rem 0 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--line); font-size: 0.9rem; color: var(--muted); }
footer.site a { color: inherit; }

@media (max-width: 30rem) {
  header.site nav { gap: 0.9rem; font-size: 0.9rem; }
  .ladder .zones span:nth-child(2) { display: none; }
}