:root {
  --ink: #16233a;
  --ink-soft: #4a5872;
  --paper: #f7f5f0;
  --card: #ffffff;
  --line: #e2ddd2;
  --brand: #0f6e6a;
  --brand-ink: #ffffff;
  --accent: #d98e2b;
  --focus: #2b6cd9;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #eef1f6;
    --ink-soft: #a9b3c4;
    --paper: #111826;
    --card: #182235;
    --line: #2a3650;
    --brand: #3fb6ad;
    --brand-ink: #0b1420;
    --accent: #f0ad4e;
    --focus: #8fb4ff;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--brand); }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }
header.site { padding: 28px 0 8px; }
.lockup { display: inline-flex; align-items: baseline; gap: 10px; text-decoration: none; color: var(--ink); }
.lockup .mark { width: 34px; height: 34px; align-self: center; }
.lockup .name { font-weight: 750; font-size: 1.45rem; letter-spacing: -0.01em; }
.lockup .with { font-size: 0.95rem; color: var(--ink-soft); font-weight: 500; }
.lockup .with b { color: var(--brand); font-weight: 700; }
main { padding: 24px 0 48px; }
h1 { font-size: clamp(1.8rem, 5vw, 2.5rem); line-height: 1.15; margin: 0.2em 0 0.4em; letter-spacing: -0.02em; }
h2 { font-size: 1.25rem; margin: 1.8em 0 0.4em; }
.lede { font-size: 1.1rem; color: var(--ink-soft); max-width: 36em; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 22px; margin-top: 28px; }
.card h2 { margin-top: 0; }
form.finder { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
form.finder label { flex-basis: 100%; font-weight: 600; }
form.finder input {
  flex: 1 1 200px; min-width: 0; font: inherit; padding: 12px 14px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--paper); color: var(--ink); text-transform: uppercase;
}
form.finder button, .btn {
  font: inherit; font-weight: 650; padding: 12px 20px; border-radius: 10px; border: 0;
  background: var(--brand); color: var(--brand-ink); cursor: pointer; text-decoration: none; display: inline-block;
}
.hint { color: var(--ink-soft); font-size: 0.95rem; margin: 10px 0 0; }
.err { color: #b3261e; font-weight: 600; margin: 10px 0 0; min-height: 1.2em; }
@media (prefers-color-scheme: dark) { .err { color: #ff8a80; } }
ul.points { padding-left: 1.2em; }
ul.points li { margin: 0.3em 0; }
footer.site { border-top: 1px solid var(--line); padding: 20px 0 36px; color: var(--ink-soft); font-size: 0.92rem; }
footer.site nav { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-bottom: 8px; }
.legal p, .legal li { max-width: 40em; }
.meta { color: var(--ink-soft); font-size: 0.95rem; }

.signin-row { margin: 14px 0 6px; }
.btn-big { display: block; font-size: 1.15rem; font-weight: 700; padding: 14px 24px; border-radius: 10px; width: 100%; max-width: 26rem; text-align: center; box-sizing: border-box; }