:root {
  --rio: #0A6B66; --mango: #FFC23A; --arena: #FFF7E8; --noche: #12292B;
  --brisa: #D6EFEA; --corozo: #A3214A; --crema: #F3EEE2;
  --fondo: var(--arena); --texto: var(--noche); --tarjeta: #fff; --borde: #E6DCC8;
}
@media (prefers-color-scheme: dark) {
  :root { --fondo: #0E1F21; --texto: #F3EEE2; --tarjeta: #17302F; --borde: #24403F; --corozo: #FF8FAE; }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--fondo); color: var(--texto); font: 17px/1.55 'Nunito Sans', system-ui, sans-serif; }
h1, h2, h3 { font-family: 'Baloo 2', system-ui, sans-serif; font-weight: 800; line-height: 1.1; margin: 0 0 .4em; }
a { color: inherit; }
.envoltura { max-width: 960px; margin: 0 auto; padding: 0 16px; }

.portada { background: var(--rio); color: var(--crema); position: relative; padding: 32px 0 88px; }
.portada .logo { height: 52px; width: auto; display: block; margin-bottom: 40px; }
.portada h1 { font-size: clamp(2.2rem, 7vw, 3.6rem); max-width: 14ch; }
.bajada { font-weight: 800; color: var(--mango); margin: 0 0 6px; }
.pronto { margin: 0 0 24px; }
.ondas { position: absolute; left: 0; bottom: -1px; width: 100%; height: 48px; }
.botones { display: flex; flex-wrap: wrap; gap: 12px; }

.boton { display: inline-block; text-decoration: none; font-weight: 800; border-radius: 999px; padding: 14px 24px; border: 2px solid transparent; font: inherit; font-weight: 800; cursor: pointer; touch-action: manipulation; transition: transform .12s ease-out; }
.boton:active { transform: scale(.97); }
.boton-mango { background: var(--mango); color: var(--noche); }
.boton-borde { border-color: var(--crema); color: var(--crema); }

.seccion { padding: 48px 16px; }
.seccion h2 { font-size: clamp(1.7rem, 5vw, 2.3rem); color: var(--rio); }
@media (prefers-color-scheme: dark) { .seccion h2 { color: #5CC8BA; } }
.tarjetas { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.tarjeta { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: 18px; padding: 20px; }
.tarjeta h3 { font-size: 1.3rem; }
.tarjeta p { margin: 0; }
.icono { font-size: 2rem; display: block; margin-bottom: 8px; }
.confianza { border-top: 1px solid var(--borde); }
.domis { background: var(--mango); color: var(--noche); border-radius: 24px; margin: 0 16px; max-width: 928px; }
@media (min-width: 992px) { .domis { margin: 0 auto; } }
.domis h2 { color: var(--noche) !important; }
.domis .nota { font-size: .95rem; }
.domis .boton-mango { background: var(--noche); color: var(--mango); }

.registro p { margin-top: 0; }
.pestanas { display: flex; gap: 8px; margin: 16px 0 20px; }
.pestanas button { flex: 1; font: inherit; font-weight: 800; padding: 12px; border-radius: 12px; border: 2px solid var(--rio); background: transparent; color: var(--texto); cursor: pointer; }
.pestanas button[aria-selected="true"] { background: var(--rio); color: var(--crema); }
form { display: grid; gap: 14px; max-width: 560px; }
label { display: grid; gap: 6px; font-weight: 600; }
input, select { font: inherit; font-size: 16px; padding: 12px 14px; border-radius: 12px; border: 1.5px solid var(--borde); background: var(--tarjeta); color: var(--texto); width: 100%; }
input:focus-visible, select:focus-visible, .boton:focus-visible, .pestanas button:focus-visible { outline: 3px solid var(--mango); outline-offset: 2px; }
fieldset { border: 1.5px solid var(--borde); border-radius: 12px; padding: 12px 14px; margin: 0; display: grid; gap: 8px; }
legend { font-weight: 600; padding: 0 4px; }
.opcion { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; }
.opcion input { width: 22px; height: 22px; flex: none; margin-top: 2px; accent-color: var(--rio); }
.autorizacion { font-size: .92rem; }
.campo-error { font-size: .9rem; color: var(--corozo); font-weight: 600; }
[aria-invalid="true"] { border-color: var(--corozo); }
.error-general { color: var(--corozo); font-weight: 800; margin: 0; }
.enviar { justify-self: start; }
.enviar[disabled] { opacity: .6; cursor: wait; }
.trampa { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.gracias { background: var(--brisa); color: var(--noche); border-radius: 18px; padding: 24px; max-width: 560px; }

.pie { background: var(--rio); color: var(--crema); padding: 32px 0 calc(32px + env(safe-area-inset-bottom)); margin-top: 48px; font-size: .95rem; }
.pie img { height: 36px; width: auto; }