/* ==========================================================================
   BANGESA – Componentes reutilizables
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem var(--space-lg);
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  text-align: center;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast),
              transform var(--transition-fast);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  background-color: var(--color-primary-dark);
  color: var(--color-text-inverse);
}

.btn--primary:hover {
  background-color: #a23222;
}

/* Sobre fondo rojo, el botón invierte colores para mantener contraste */
.btn--dark {
  background-color: var(--color-charcoal);
  color: var(--color-text-inverse);
}

.btn--dark:hover {
  background-color: var(--color-charcoal-deep);
}

.btn[disabled],
.btn.is-loading {
  opacity: 0.7;
  cursor: not-allowed;
  pointer-events: none;
}

/* ---------- Títulos de sección ---------- */
.section-header {
  max-width: 52rem;
  margin-inline: auto;
  text-align: center;
}

.section-title {
  font-size: clamp(1.625rem, 5.5vw, 2.5rem);
}

.section-lead {
  margin-top: var(--space-md);
  font-size: var(--text-base);
}

.section-title--light,
.section-lead--light {
  color: var(--color-text-inverse);
}

/* ---------- Scroll reveal (solo si hay JS) ---------- */
/* Aparición desde abajo con fundido. Escalonado con style="--delay: 100ms" */
.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms cubic-bezier(0.22, 1, 0.36, 1),
              transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--delay, 0ms);
  will-change: opacity, transform;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
  will-change: auto;
}

/* Sin movimiento: contenido visible de inmediato */
@media (prefers-reduced-motion: reduce) {
  .js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- Formulario ---------- */
.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--space-xs);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-inverse);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem var(--space-md);
  font-size: 1rem; /* 16px evita zoom en iOS */
  color: var(--color-charcoal);
  background-color: var(--color-text-inverse);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group textarea {
  min-height: 9rem;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #767676;
}

.form-group input:focus-visible,
.form-group textarea:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.45);
}

.form-group input[aria-invalid="true"],
.form-group textarea[aria-invalid="true"] {
  border-color: var(--color-error);
}

.error-message {
  display: block;
  min-height: 1.2em;
  margin-top: var(--space-xs);
  font-size: var(--text-sm);
  color: var(--color-error-on-dark);
}

/* Honeypot anti-bot: fuera de pantalla, no display:none */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.alert {
  margin-top: var(--space-md);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  text-align: center;
  font-weight: var(--font-semibold);
}

.alert:empty {
  display: none;
}

.alert.is-success {
  background-color: #dcfce7;
  color: #166534;
}

.alert.is-error {
  background-color: #fee2e2;
  color: #991b1b;
}