/* =============================================================
   COMBO-BUILDER — selector interactivo de combo web+hosting+dominio
   ============================================================= */

.combo-builder {
  background: var(--color-bg-light);
  padding: var(--spacing-section) 0;
}

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

.combo-builder__header {
  text-align: center;
  max-width: 48rem;
  margin: 0 auto var(--spacing-2xl);
}

.combo-builder__label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--spacing-md);
}

.combo-builder__title {
  font-family: var(--font-heading);
  font-size: var(--font-size-h2);
  font-weight: 700;
  color: var(--color-text-on-light);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-md);
}

.combo-builder__description {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  color: var(--color-text-on-light-muted);
  line-height: 1.7;
}

/* Layout principal */
.combo-builder__layout {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xl);
}

/* Categorías */
.combo-builder__selectors {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xl);
}

.combo-builder__category {}

.combo-builder__category-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-on-light);
  margin-bottom: var(--spacing-xs);
}

.combo-builder__category-hint {
  font-size: var(--font-size-sm);
  color: var(--color-text-on-light-muted);
  margin-bottom: var(--spacing-md);
}

/* Grid de opciones: 1 col mobile, 3 cols tablet+ */
.combo-builder__options {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  padding: 4px;
}

/* Tarjeta-opción (label envolvente) */
.combo-builder__option {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  padding: var(--spacing-xl);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-subtle);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s, outline-color 0.2s;
  user-select: none;
  outline: 2px solid transparent;
  outline-offset: 0;
}

.combo-builder__option:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

/* Estado seleccionado — outline no afecta el layout, evita el salto de 1px→2px */
.combo-builder__option--selected {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
  outline-color: var(--color-accent);
}

/* En mobile: layout horizontal de la tarjeta */
@media (max-width: 767px) {
  .combo-builder__option {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .combo-builder__option-description {
    display: none;
  }
}

/* El radio nativo, accesible pero invisible */
.combo-builder__option-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

/* Focus visible: outline en el label padre */
.combo-builder__option:has(.combo-builder__option-input:focus-visible) {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Indicador circular */
.combo-builder__option-indicator {
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--color-border);
  border-radius: 50%;
  flex-shrink: 0;
  transition: border-color 0.2s, background 0.2s;
  position: relative;
}

.combo-builder__option--selected .combo-builder__option-indicator {
  border-color: var(--color-accent);
  background: var(--color-accent);
}

.combo-builder__option--selected .combo-builder__option-indicator::after {
  content: '';
  position: absolute;
  inset: 3px;
  background: white;
  border-radius: 50%;
}

.combo-builder__option-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.combo-builder__option-name {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-on-light);
}

.combo-builder__option-badge {
  font-size: var(--font-size-xs);
  font-weight: 600;
  background: var(--color-accent);
  color: var(--color-text-on-dark);
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.combo-builder__option-price {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.1;
}

.combo-builder__option-price-unit {
  font-size: var(--font-size-xs);
  color: var(--color-text-on-light-muted);
  font-weight: 400;
  display: block;
}

.combo-builder__option-description {
  font-size: var(--font-size-xs);
  color: var(--color-text-on-light-muted);
}

/* Panel resumen */
.combo-builder__summary {
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--plan-card-radius);
  padding: var(--spacing-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.combo-builder__summary-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text-on-light);
}

.combo-builder__summary-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.combo-builder__summary-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
}

.combo-builder__summary-item:last-child {
  border-bottom: none;
}

.combo-builder__summary-item-label {
  color: var(--color-text-on-light);
}

.combo-builder__summary-item-value {
  color: var(--color-accent);
  font-weight: 600;
  font-family: var(--font-heading);
  white-space: nowrap;
}

.combo-builder__summary-item--placeholder .combo-builder__summary-item-label {
  color: var(--color-text-on-light-muted);
  font-style: italic;
}

.combo-builder__summary-item--placeholder .combo-builder__summary-item-value {
  color: var(--color-text-on-light-muted);
  font-weight: 400;
}

/* Banner 2 meses gratis */
.combo-builder__gift {
  display: none;
  align-items: flex-start;
  gap: var(--spacing-sm);
  background: var(--color-accent-light);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-accent-hover, #6B8BA4);
}

.combo-builder__gift--visible {
  display: flex;
}

.combo-builder__gift-icon {
  flex-shrink: 0;
  width: 1.1rem;
  height: 1.1rem;
  margin-top: 0.1rem;
}

.combo-builder__gift-text {
  line-height: 1.4;
}

/* Total */
.combo-builder__total {
  padding-top: var(--spacing-lg);
  border-top: 2px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.combo-builder__total-label {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-on-light-muted);
}

.combo-builder__total-onetime {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-on-light-muted);
  transition: color 0.2s;
  line-height: 1;
}

.combo-builder__total--active .combo-builder__total-onetime {
  color: var(--color-accent);
}

.combo-builder__total-monthly {
  font-size: var(--font-size-sm);
  color: var(--color-text-on-light-muted);
}

.combo-builder__total-note {
  font-size: var(--font-size-xs);
  color: var(--color-text-on-light-muted);
  font-style: italic;
}

/* CTA del summary */
.combo-builder__cta {
  width: 100%;
  justify-content: center;
  opacity: 0.45;
  pointer-events: none;
  transition: opacity 0.2s;
}

.combo-builder__cta--active {
  opacity: 1;
  pointer-events: auto;
}

/* ---------------------------------------------------------------
   Inline form — appears after CTA click
--------------------------------------------------------------- */

.combo-builder__form {
  display: none;
  flex-direction: column;
  gap: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  padding-top: var(--spacing-lg);
  margin-top: var(--spacing-xs);
  animation: combo-form-in 0.25s ease both;
}

.combo-builder__form--visible {
  display: flex;
}

@keyframes combo-form-in {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.combo-builder__form-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-on-light);
  margin-bottom: var(--spacing-xs);
}

.combo-builder__form-fields {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.combo-builder__field {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.combo-builder__field-label {
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-on-light);
}

.combo-builder__field-label span {
  color: var(--color-accent);
}

.combo-builder__field-input {
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  color: var(--color-text-on-light);
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.6rem var(--spacing-md);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
}

.combo-builder__field-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px var(--color-accent-light);
}

.combo-builder__field-textarea {
  resize: vertical;
  min-height: 4.5rem;
}

.combo-builder__form-submit {
  width: 100%;
  justify-content: center;
  margin-top: var(--spacing-xs);
}

.combo-builder__form-note {
  font-size: var(--font-size-xs);
  color: var(--color-text-on-light-muted);
  text-align: center;
}

/* CTA when form is open: secondary style */
.combo-builder__cta--open {
  background: transparent;
  color: var(--color-text-on-light-muted);
  border: 1px solid var(--color-border);
  box-shadow: none;
}

.combo-builder__cta--open:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* Breakpoint tablet */
@media (min-width: 768px) {
  .combo-builder__options {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Breakpoint desktop */
@media (min-width: 1024px) {
  .combo-builder__layout {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(300px, 1fr);
    gap: var(--spacing-2xl);
    align-items: start;
  }

  .combo-builder__summary--sticky {
    position: sticky;
    top: 6rem;
  }
}