:root {
  --bg: #ffffff;
  --ink: #111316;
  --muted: #5e6470;
  --line: #e6e7ea;
  --rose: #d6456e;
  --teal: #23917f;
  --soft: #fbf1f4;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e0f11;
    --ink: #f2f3f5;
    --muted: #a0a6b1;
    --line: #262930;
    --rose: #f06c91;
    --teal: #3cc2aa;
    --soft: #1d1418;
  }
}
:root[data-theme="dark"] {
  --bg: #0e0f11; --ink: #f2f3f5; --muted: #a0a6b1; --line: #262930;
  --rose: #f06c91; --teal: #3cc2aa; --soft: #1d1418;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
}
main, header.site, footer.site { max-width: 720px; margin: 0 auto; padding: 0 20px; }
a { color: var(--rose); }

header.site { display: flex; align-items: center; justify-content: space-between; padding-top: 22px; }
header.site a.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 650; }
header.site img { width: 32px; height: 32px; border-radius: 8px; }
header.site nav a { color: var(--muted); text-decoration: none; margin-left: 18px; font-size: 15px; }
header.site nav a:hover { color: var(--ink); }

/* The app's signature: a reading written as a fraction, with the rule in the Normal colour. */
.fraction { display: inline-flex; flex-direction: column; align-items: center; font: 700 44px/1 "SF Pro Display", -apple-system, sans-serif;
  font-stretch: condensed; letter-spacing: -1px; }
.fraction i { display: block; width: 100%; height: 4px; border-radius: 2px; background: var(--teal); margin: 4px 0; }

.hero { display: flex; gap: 24px; align-items: center; padding: 56px 0 28px; }
.hero h1 { font-size: 34px; line-height: 1.15; margin: 0; letter-spacing: -0.5px; }
.lede { color: var(--muted); font-size: 19px; margin: 0 0 32px; }
.badge { display: inline-block; padding: 10px 16px; border-radius: 12px; background: var(--ink); color: var(--bg); font-weight: 600; text-decoration: none; }

.reasons { list-style: none; padding: 0; margin: 8px 0 40px; display: grid; gap: 22px; }
.reasons li { display: grid; grid-template-columns: 28px 1fr; gap: 14px; }
.reasons .dot { width: 12px; height: 12px; border-radius: 50%; background: var(--rose); margin-top: 8px; }
.reasons strong { display: block; }
.reasons span { color: var(--muted); }

h2 { font-size: 22px; margin: 40px 0 10px; }
h3 { font-size: 17px; margin: 26px 0 4px; }
p, li { color: var(--ink); }
.muted { color: var(--muted); }
.note { background: var(--soft); border-radius: 12px; padding: 14px 16px; }
hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0; }

form { display: grid; gap: 14px; margin: 16px 0 8px; }
label { display: grid; gap: 6px; font-size: 15px; font-weight: 600; }
input, textarea {
  font: inherit; color: var(--ink); background: var(--bg);
  border: 1px solid var(--line); border-radius: 10px; padding: 11px 12px; width: 100%;
}
input:focus-visible, textarea:focus-visible, button:focus-visible, a:focus-visible { outline: 3px solid var(--rose); outline-offset: 2px; }
textarea { min-height: 140px; resize: vertical; }
button {
  font: inherit; font-weight: 650; color: #fff; background: var(--rose); border: 0; border-radius: 12px;
  padding: 12px 18px; cursor: pointer; justify-self: start;
}
button[disabled] { opacity: 0.6; cursor: default; }
.hp { position: absolute; left: -9999px; }
#status { min-height: 1.5em; }

footer.site { color: var(--muted); font-size: 14px; padding-top: 24px; padding-bottom: 48px; border-top: 1px solid var(--line); margin-top: 56px; }
footer.site a { color: var(--muted); }

@media (max-width: 520px) {
  .hero { flex-direction: column; align-items: flex-start; padding-top: 36px; }
  .hero h1 { font-size: 28px; }
  header.site nav a { margin-left: 12px; }
}