:root {
  --bg: #f6f7f9; --surface: #ffffff; --ink: #14181f; --muted: #5b6573; --line: #dfe3e9;
  --brand: #0f6b5c; --brand-ink: #ffffff; --brand-tint: #e3f2ef;
  --danger: #b42318; --danger-tint: #fdeceb; --warn: #8a5a00; --warn-tint: #fff4dc;
  --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e1116; --surface: #161b22; --ink: #e8ecf1; --muted: #9aa5b3; --line: #262d37;
    --brand: #3fb59f; --brand-ink: #06231d; --brand-tint: #12302b;
    --danger: #ff7b72; --danger-tint: #3a1a18; --warn: #e3b341; --warn-tint: #33280d;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }
header.site { border-bottom: 1px solid var(--line); background: var(--surface); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 14px; padding-bottom: 14px; flex-wrap: wrap; }
.logo { font-weight: 700; letter-spacing: -.01em; color: var(--ink); text-decoration: none; font-size: 18px; }
nav.main { display: flex; gap: 16px; flex-wrap: wrap; }
nav.main a { color: var(--muted); text-decoration: none; font-size: 15px; }
nav.main a:hover, nav.main a[aria-current] { color: var(--ink); }
h1 { font-size: clamp(26px, 5vw, 38px); line-height: 1.15; letter-spacing: -.02em; margin: 32px 0 12px; }
h2 { font-size: 22px; margin: 36px 0 12px; letter-spacing: -.01em; }
h3 { font-size: 17px; margin: 0 0 8px; }
p { margin: 0 0 14px; }
.lede { color: var(--muted); font-size: 18px; max-width: 62ch; }
a { color: var(--brand); }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.card a.cardlink { text-decoration: none; color: inherit; display: block; }
.card:hover { border-color: var(--brand); }
.tool { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; margin: 20px 0; }
.row { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); margin-bottom: 14px; }
label { display: block; font-size: 14px; color: var(--muted); margin-bottom: 4px; }
input, select {
  width: 100%; min-height: 44px; padding: 8px 12px; font: inherit; color: var(--ink);
  background: var(--bg); border: 1px solid var(--line); border-radius: 8px;
}
input:focus, select:focus, button:focus-visible, a:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
.hint { font-size: 13px; color: var(--muted); margin-top: 4px; }
button, .btn {
  min-height: 44px; padding: 8px 18px; font: inherit; font-weight: 600; cursor: pointer;
  background: var(--brand); color: var(--brand-ink); border: 0; border-radius: 8px; text-decoration: none; display: inline-flex; align-items: center;
}
.result { background: var(--brand-tint); border-radius: 10px; padding: 16px; margin-top: 8px; }
.result.bad { background: var(--danger-tint); }
.result .big { font-size: 30px; font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.result dl { display: grid; grid-template-columns: 1fr auto; gap: 4px 16px; margin: 12px 0 0; font-variant-numeric: tabular-nums; }
.result dt { color: var(--muted); } .result dd { margin: 0; text-align: right; font-weight: 600; }
.error { color: var(--danger); font-size: 14px; min-height: 20px; }
.note { background: var(--warn-tint); color: var(--warn); border-radius: 10px; padding: 12px 14px; font-size: 14px; margin: 16px 0; }
.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.tabs button { background: var(--bg); color: var(--ink); border: 1px solid var(--line); font-weight: 500; }
.tabs button[aria-pressed="true"] { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.waitlist { background: var(--brand-tint); border-radius: var(--radius); padding: 24px; margin: 40px 0; }
.waitlist form { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.waitlist input[type=email] { flex: 1 1 240px; }
.waitlist .msg { margin-top: 8px; font-size: 14px; min-height: 20px; }
footer.site { border-top: 1px solid var(--line); margin-top: 48px; padding: 24px 0 48px; color: var(--muted); font-size: 13px; }
ul.plain { padding-left: 20px; } ul.plain li { margin-bottom: 6px; }
.badge { display: inline-block; font-size: 12px; padding: 2px 8px; border-radius: 999px; background: var(--brand-tint); color: var(--brand); font-weight: 600; }
@media (max-width: 480px) { .tool, .card, .waitlist { padding: 16px; } }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.waitlist .consent { display: flex; gap: 8px; align-items: flex-start; flex-basis: 100%; font-size: 13px; color: var(--muted); margin: 0; }
.waitlist .consent input { width: 20px; min-height: 20px; margin-top: 2px; flex: none; }