:root {
  --utp-rojo: #c41230;
  --utp-azul: #003366;
  --utp-azul-claro: #0a4d8c;
  --fondo: #f4f6f9;
  --texto: #1a1a2e;
  --borde: #d8dee9;
  --blanco: #ffffff;
  --error: #b42318;
  --ok: #067647;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: var(--fondo);
  color: var(--texto);
  line-height: 1.5;
}

.header {
  background: linear-gradient(135deg, var(--utp-azul) 0%, var(--utp-azul-claro) 100%);
  color: var(--blanco);
  padding: 1.25rem 1rem;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

.header-inner {
  max-width: 920px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.logo {
  width: 88px;
  height: auto;
  background: var(--blanco);
  border-radius: 8px;
  padding: 6px;
}

.header-text h1 {
  margin: 0.25rem 0 0;
  font-size: 1.45rem;
}

.tag {
  margin: 0;
  font-size: 0.8rem;
  opacity: 0.9;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.subtitle {
  margin: 0.35rem 0 0;
  font-size: 0.95rem;
  opacity: 0.92;
}

.container {
  max-width: 920px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

.card {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}

.card h2 {
  margin-top: 0;
  color: var(--utp-azul);
  font-size: 1.15rem;
  border-bottom: 2px solid var(--utp-rojo);
  padding-bottom: 0.4rem;
}

.intro ul {
  margin: 0.5rem 0 0;
  padding-left: 1.2rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.grid-2 .full {
  grid-column: 1 / -1;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-weight: 600;
  font-size: 0.9rem;
}

.req {
  color: var(--utp-rojo);
}

input,
select,
textarea {
  font: inherit;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--borde);
  border-radius: 8px;
  width: 100%;
}

textarea {
  resize: vertical;
  min-height: 96px;
}

textarea:focus,
input:focus,
select:focus {
  outline: 2px solid var(--utp-azul-claro);
  border-color: var(--utp-azul-claro);
}

.question {
  margin-bottom: 1.25rem;
}

.q-id {
  display: inline-block;
  background: var(--utp-azul);
  color: var(--blanco);
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  margin-bottom: 0.35rem;
  width: fit-content;
}

.q-text {
  font-weight: 400;
  line-height: 1.55;
  margin-bottom: 0.25rem;
}

.q-text strong {
  font-weight: 700;
  color: #1a1a1a;
}

.consent {
  font-size: 0.9rem;
  color: #444;
}

.btn-primary,
.btn-secondary {
  display: inline-block;
  border: none;
  border-radius: 8px;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}

.btn-primary {
  background: var(--utp-rojo);
  color: var(--blanco);
  width: 100%;
}

.btn-primary:hover {
  filter: brightness(1.05);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-secondary {
  background: var(--utp-azul);
  color: var(--blanco);
  margin-top: 1rem;
}

.alerts {
  margin-bottom: 1rem;
}

.alert {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 0.5rem;
}

.alert-error {
  background: #fef3f2;
  color: var(--error);
  border: 1px solid #fecdca;
}

.gracias-card {
  text-align: center;
  padding: 2rem;
}

.gracias-lead {
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
}

.codigo-box {
  background: #eef4ff;
  border: 2px solid var(--utp-blue, #003366);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin: 1rem auto 1.5rem;
  max-width: 420px;
}

.codigo-label {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  color: #444;
}

.codigo-valor {
  margin: 0;
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--utp-blue, #003366);
}

.codigo-aviso {
  margin: 0.75rem 0 0;
  font-size: 0.9rem;
  color: #555;
  line-height: 1.45;
}

.gracias-actions {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.success-icon {
  font-size: 3rem;
  color: var(--ok);
  margin: 0;
}

.ref {
  font-size: 1.1rem;
}

.note {
  color: #555;
}

.footer {
  text-align: center;
  padding: 1rem;
  font-size: 0.85rem;
  color: #666;
}

@media (max-width: 640px) {
  .header-inner {
    flex-direction: column;
    text-align: center;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }
}