:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #eff6ff;
  --danger: #ef4444;
  --danger-light: #fef2f2;
  --success: #16a34a;
  --success-light: #f0fdf4;
  --warning: #b45309;
  --warning-light: #fffbeb;
  --text: #0f172a;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --bg: #f8fafc;
  --card: #ffffff;
  --shadow-sm: 0 1px 2px rgba(15,23,42,.06);
  --shadow-md: 0 4px 12px rgba(15,23,42,.10);
  --radius: 10px;
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.5;
}
.wrap { max-width: 640px; margin: 0 auto; padding: 1.5rem 1rem 3rem; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 1.5rem; margin-bottom: 1.25rem; }
h1 { font-size: 1.4rem; margin: 0 0 .35rem; }
h2 { font-size: 1.1rem; margin: 0 0 .5rem; }
p { margin: 0 0 .75rem; }
.muted { color: var(--text-muted); }
.contact-banner {
  background: var(--warning-light); border: 1px solid #fde68a; color: var(--warning);
  border-radius: var(--radius); padding: 1rem 1.1rem; margin-bottom: 1.25rem; font-size: .92rem;
}
.contact-banner strong { display: block; margin-bottom: .35rem; color: var(--warning); }
.contact-banner .contact-items { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: .5rem; font-weight: 600; }
.badge-precio { display: inline-block; background: var(--primary-light); color: var(--primary-dark); font-weight: 700; padding: .3rem .7rem; border-radius: 999px; font-size: .95rem; }
.form-group { margin-bottom: 1.1rem; }
.form-label { display: block; font-weight: 600; font-size: .88rem; margin-bottom: .35rem; }
.form-control {
  width: 100%; padding: .6rem .75rem; border: 1px solid var(--border); border-radius: 8px;
  font-size: .95rem; font-family: inherit; background: #fff; color: var(--text);
}
.form-control:focus { outline: 2px solid var(--primary-light); border-color: var(--primary); }
.hint { font-size: .8rem; color: var(--text-muted); margin-top: .35rem; }
.nombre-row { display: flex; gap: .5rem; }
.nombre-row select { flex: 0 0 6.5rem; }
.nombre-row input { flex: 1; min-width: 0; }
.email-warning {
  background: var(--warning-light); border: 1px solid #fde68a; color: var(--warning);
  border-radius: 8px; padding: .65rem .85rem; font-size: .82rem; margin-top: .5rem;
}
.metodo-picker { display: flex; flex-direction: column; gap: .6rem; }
.metodo-opcion {
  display: flex; align-items: center; gap: .75rem; border: 1.5px solid var(--border); border-radius: 10px;
  padding: .85rem 1rem; cursor: pointer; transition: border-color .15s;
}
.metodo-opcion:has(input:checked) { border-color: var(--primary); background: var(--primary-light); }
.metodo-opcion input { margin: 0; }
.metodo-opcion.disabled { opacity: .5; cursor: not-allowed; }
.metodo-info { flex: 1; }
.metodo-info .titulo { font-weight: 600; font-size: .92rem; }
.metodo-info .detalle { font-size: .8rem; color: var(--text-muted); }
.metodo-monto { font-weight: 700; font-size: 1.05rem; white-space: nowrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .4rem; border: none; border-radius: 8px; padding: .7rem 1.2rem; font-size: .95rem; font-weight: 600; cursor: pointer; text-decoration: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-block { display: flex; width: 100%; }
.btn:disabled { opacity: .6; cursor: not-allowed; }
.alert { padding: .7rem .9rem; border-radius: 8px; font-size: .88rem; margin-bottom: 1rem; }
.alert-error { background: var(--danger-light); color: var(--danger); }
.alert-success { background: var(--success-light); color: var(--success); }
.footer-note { text-align: center; font-size: .78rem; color: var(--text-muted); margin-top: 1rem; }
.center { text-align: center; }
.emoji-lg { font-size: 3rem; margin-bottom: .5rem; }