/* One continuous document in the shared limestone palette, like Sponsor. */
.refer-page {
  --error: #8f2f21;
  --success: #315a43;
}

.refer-main .simple-title { margin-bottom: 1.25rem; }

.refer-intro {
  max-width: 39rem;
  margin-bottom: 3rem;
  color: var(--ink-dim);
  font-size: 1rem;
  line-height: 1.75;
  letter-spacing: -0.012em;
}

.refer-form fieldset {
  margin: 0;
  padding: 2rem 0 0.75rem;
  border: 0;
  border-top: 1px solid var(--ink-faint);
}

.refer-form legend {
  float: left;
  width: 100%;
  margin-bottom: 1.5rem;
  padding: 0;
  font-size: 1.375rem;
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: -0.03em;
}

.refer-form legend + * { clear: left; }

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 1.5rem;
}

.form-field { margin-bottom: 1.5rem; }

.form-field label {
  display: block;
  margin-bottom: 0.55rem;
  color: var(--basalt);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.5;
}

.form-field input {
  display: block;
  width: 100%;
  min-height: 3.35rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--ink-faint);
  border-radius: 0.25rem;
  background: rgba(255, 252, 235, 0.28);
  color: var(--basalt);
  font: inherit;
  font-size: 1rem;
  transition: border-color 180ms ease, background-color 180ms ease;
}

.form-field input:hover,
.form-field input:focus {
  border-color: var(--orange);
  background: rgba(255, 252, 235, 0.48);
}

.form-field input:focus-visible,
.refer-submit:focus-visible,
.refer-page .form-status a:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 4px;
}

.field-help {
  margin-top: 0.45rem;
  color: var(--ink-dim);
  font-size: 0.75rem;
  line-height: 1.65;
}

.form-trap {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.refer-submit {
  display: inline-flex;
  min-height: 3.25rem;
  align-items: center;
  gap: 1rem;
  margin-top: 0.5rem;
  padding: 0.875rem 1.125rem;
  border: 1px solid var(--orange);
  border-radius: 0.25rem;
  background: var(--paper);
  color: var(--basalt);
  font: inherit;
  font-size: 0.875rem;
  line-height: 1.5;
  cursor: pointer;
  transition: background-color 180ms ease, opacity 180ms ease;
}

.refer-submit:hover { background: var(--orange-soft); }
.refer-submit:disabled { cursor: wait; opacity: 0.58; }

.refer-page .form-status {
  display: none;
  margin-top: 1.5rem;
  padding: 1rem 1.1rem;
  font-size: 0.85rem;
  line-height: 1.65;
}

.refer-page .form-status:not(:empty) { display: block; }
.refer-page .form-status--success { background: rgba(231, 240, 234, 0.72); color: var(--success); }
.refer-page .form-status--error { background: rgba(247, 226, 219, 0.78); color: var(--error); }
.refer-page .form-status a { color: inherit; }

@media (max-width: 600px) {
  .refer-intro { margin-bottom: 2.5rem; }
  .form-row { grid-template-columns: minmax(0, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  .form-field input,
  .refer-submit { transition: none; }
}