:root {
  color-scheme: light;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #253c40;
  background: #f4f6f3;
  font-synthesis: none;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; line-height: 1.6; }
.site-header {
  max-width: 72rem; margin: 0 auto; padding: 1.25rem;
  display: flex; flex-wrap: wrap; gap: .25rem 1rem;
  align-items: center; justify-content: space-between;
}
.brand { font-weight: 750; font-size: 1.35rem; letter-spacing: -.05em; }
.brand-dot { color: #427466; }
.header-label, .progress, .eyebrow { font-size: .8rem; font-weight: 650; color: #516b63; }
.onboarding {
  max-width: 36rem; margin: 1rem auto 2rem; padding: 1.5rem;
  background: #fff; border: 1px solid #dce4de; border-radius: 1.25rem;
}
.progress { margin: 0 0 2rem; padding-bottom: .8rem; border-bottom: 1px solid #e3e9e4; }
.eyebrow { margin-bottom: .6rem; }
h1 { font-size: clamp(1.8rem, 6vw, 2.4rem); line-height: 1.2; letter-spacing: -.035em; margin: 0 0 1rem; overflow-wrap: anywhere; }
p { margin: 0 0 1.1rem; }
.intro { font-size: 1.15rem; }
.note { padding: .9rem 1rem; background: #f0f5f1; border-radius: .6rem; font-size: .9rem; }
form { margin-top: 1.75rem; }
fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
label, .field-label { display: block; font-weight: 650; margin-bottom: .5rem; }
.field { margin-bottom: 1.2rem; }
.hint { font-size: .875rem; color: #546664; margin: -.15rem 0 .6rem; }
input, select, button { font: inherit; }
input:not([type="radio"]), select {
  display: block; width: 100%; min-height: 3.25rem; padding: .75rem;
  color: #253c40; background: #fff; border: 1px solid #7d9189; border-radius: .6rem;
}
input[type="password"] { letter-spacing: .3em; }
.choice {
  display: flex; gap: .8rem; align-items: center; min-height: 4rem;
  padding: 1rem; border: 1px solid #7d9189; border-radius: .75rem; cursor: pointer;
}
.choice:has(input:checked) { border-color: #285e50; background: #edf5f0; }
input[type="radio"] { width: 1.25rem; height: 1.25rem; margin: 0; accent-color: #285e50; flex-shrink: 0; }
.actions { display: flex; gap: .75rem; margin-top: 2rem; }
button {
  display: flex; justify-content: center; align-items: center; gap: .75rem;
  min-height: 3.25rem; padding: .75rem 1.25rem; border: 1px solid #285e50;
  border-radius: .65rem; background: #285e50; color: #fff;
  font-weight: 650; cursor: pointer; flex: 1;
}
button:hover { background: #1e4a3e; }
button.secondary { flex: 0 0 auto; background: #fff; color: #285e50; }
button.secondary:hover { background: #edf5f0; }
:focus-visible { outline: 3px solid #7552a3; outline-offset: 4px; }
h1:focus { outline: none; }
h1:focus-visible { outline: 3px solid #7552a3; outline-offset: 4px; }
[aria-invalid="true"] { border-color: #a43030 !important; }
.error { color: #a43030; font-size: .875rem; margin: .4rem 0 0; }
.error:empty { display: none; }
.session-note { font-size: .8rem; color: #546664; margin: 2rem 0 0; padding-top: 1rem; border-top: 1px solid #e3e9e4; }
@media (max-width: 38rem) { .onboarding { margin: .5rem .75rem 1.5rem; padding: 1.25rem; } }
@media (min-width: 48rem) { .site-header { padding: 2rem; } .onboarding { margin-top: 2rem; padding: 2.5rem; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; } }