/* =========================================================
   Refri Mundo — Armá tu combo
   Usa las variables y componentes de styles.css
   ========================================================= */

.combo-page { background: var(--ice); }

.combo-back {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  color: var(--ink);
}
.combo-back:hover { color: var(--royal); }

.btn--primary { background: var(--royal); color: var(--white); }
.btn--primary:hover { background: var(--royal-600); }
.btn--outline { border-color: var(--ice-200); color: var(--navy); background: var(--white); }
.btn--outline:hover { border-color: var(--royal); color: var(--royal); }

/* ---------- Encabezado de la sección ---------- */
.combo-hero {
  color: var(--white);
  background:
    radial-gradient(900px 400px at 85% -20%, rgba(29, 79, 191, .55), transparent 60%),
    linear-gradient(160deg, var(--navy) 0%, var(--navy-900) 100%);
  padding: 56px 0 88px;
}
.combo-hero h1 { color: var(--white); font-size: clamp(1.8rem, 3.6vw, 2.6rem); max-width: 22em; }
.combo-hero__lead { color: #d3def5; font-size: 1.05rem; max-width: 40em; margin: 0; }

/* ---------- Pasos (stepper con dibujos) ---------- */
.steps-nav {
  margin-top: -36px;
  padding: 18px 12px 14px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 2;
}
.stepper { position: relative; --prog: 0; --c: 46px; }
/* línea gris de fondo, línea azul de progreso y puntito que se desliza */
.stepper__track, .stepper__fill {
  position: absolute;
  top: calc(var(--c) / 2 - 1px);
  left: var(--inset); right: var(--inset);
  height: 2px;
  border-radius: 2px;
  background: var(--line);
}
.stepper__fill {
  background: var(--royal);
  transform-origin: left center;
  transform: scaleX(var(--prog));
  transition: transform .7s cubic-bezier(.34, 1.25, .64, 1);
}
.stepper__dot {
  position: absolute;
  top: calc(var(--c) / 2);
  left: calc(var(--inset) + var(--prog) * (100% - 2 * var(--inset)));
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--royal);
  transform: translate(-50%, -50%);
  transition: left .7s cubic-bezier(.34, 1.25, .64, 1);
}
.stepper__list { position: relative; display: flex; margin: 0; padding: 0; list-style: none; }
.stepper__item { flex: 1 1 0; min-width: 0; display: flex; justify-content: center; }
.stepper__btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  max-width: 100%;
  padding: 0 2px;
  border: 0;
  background: none;
  cursor: pointer;
  font: inherit;
}
.stepper__circle {
  position: relative;
  display: grid;
  place-items: center;
  width: var(--c); height: var(--c);
  border-radius: 50%;
  background: var(--ice);
  color: #8593ad;
  transition: background-color .3s, color .3s, transform .35s cubic-bezier(.34, 1.56, .64, 1);
}
.stepper__btn:hover .stepper__circle { background: var(--ice-200); color: var(--navy); }
.stepper__icon { width: 24px; height: 24px; }
/* pasos ya recorridos */
.is-done .stepper__circle, .is-done .stepper__btn:hover .stepper__circle { background: var(--royal); color: var(--white); }
/* paso actual: más grande, relleno y con un pulso suave */
.is-active .stepper__circle, .is-active .stepper__btn:hover .stepper__circle {
  background: var(--navy);
  color: var(--white);
  transform: scale(1.1);
}
.stepper__item--final.is-active .stepper__circle { background: var(--wa); }
.is-active .stepper__circle::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  box-shadow: 0 0 0 2px rgba(29, 79, 191, .45);
  animation: stepper-pulso 1.1s ease-in-out infinite alternate;
}
.stepper__item--final.is-active .stepper__circle::after { box-shadow: 0 0 0 2px rgba(31, 174, 87, .5); }
.is-active .stepper__icon { animation: stepper-pop .45s cubic-bezier(.34, 1.56, .64, 1); }
@keyframes stepper-pulso { from { transform: scale(1); opacity: 1; } to { transform: scale(1.4); opacity: .15; } }
@keyframes stepper-pop { from { transform: scale(0); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.stepper__count {
  position: absolute;
  top: -5px; right: -7px;
  min-width: 20px; height: 20px;
  padding: 0 5px;
  display: grid;
  place-items: center;
  border: 2px solid var(--white);
  border-radius: 999px;
  background: var(--wa);
  color: var(--white);
  font: 700 .7rem/1 var(--font-head);
  animation: stepper-pop .35s cubic-bezier(.34, 1.56, .64, 1);
}
.stepper__count[hidden] { display: none; }
.stepper__label {
  font: 600 .82rem/1.25 var(--font-body);
  color: var(--muted);
  text-align: center;
  transition: color .3s;
}
.is-active .stepper__label, .is-done .stepper__label { color: var(--navy); }
.is-active .stepper__label { font-weight: 700; }
.stepper__corto { display: none; }
.stepper__btn:focus-visible { outline: none; }
.stepper__btn:focus-visible .stepper__circle { box-shadow: 0 0 0 3px var(--white), 0 0 0 5px #8fb3ff; }

/* el contenido de cada paso entra con un fundido */
.combo-main.is-entrando { animation: paso-entra .3s ease-out; }
@keyframes paso-entra { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  .stepper__fill, .stepper__dot, .stepper__circle { transition: none; }
  .is-active .stepper__circle::after, .is-active .stepper__icon, .stepper__count, .combo-main.is-entrando { animation: none; }
}
.qty__btn:focus-visible, .cart__remove:focus-visible { outline: 3px solid #8fb3ff; outline-offset: 2px; }

/* ---------- Disposición ---------- */
.combo-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 28px;
  align-items: start;
  padding-top: 32px;
  padding-bottom: 80px;
}
.combo-loading {
  padding: 48px 24px;
  text-align: center;
  color: var(--muted);
  background: var(--white);
  border-radius: var(--radius);
}
.combo-loading a { color: var(--royal); font-weight: 600; }

.step-head { margin-bottom: 22px; }
.step-head h2 { margin-bottom: .3em; }
.step-head__num {
  margin: 0 0 6px;
  font: 700 .78rem var(--font-head);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--royal);
}
.step-head__hint { color: var(--muted); margin: 0; }

/* ---------- Tarjetas de producto ---------- */
.pgrid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 18px;
}
.pcard {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 2px solid transparent;
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s;
}
.pcard.is-selected { border-color: var(--wa); box-shadow: 0 10px 30px rgba(31, 174, 87, .14); }
.pcard__img { aspect-ratio: 4 / 4.2; background: #f2f5fa; }
.pcard__img img { width: 100%; height: 100%; object-fit: cover; }
.pcard__placeholder {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: #9aa8c2;
  font-size: .82rem;
}
.pcard__placeholder svg { width: 44px; height: 44px; }
.pcard__body { display: flex; flex-direction: column; flex: 1; padding: 16px 16px 18px; }
.pcard__name { font-size: .98rem; margin-bottom: 8px; color: var(--ink); line-height: 1.35; }
.pcard__price { font: 800 1.25rem var(--font-head); color: var(--navy); margin: auto 0 14px; }
.pcard__detail { font: 600 .8rem var(--font-body); color: var(--royal); line-height: 1.4; margin: -4px 0 8px; }
.pcard__note { font-size: .78rem; font-style: italic; color: var(--muted); line-height: 1.4; margin: -2px 0 10px; }

/* ---------- Cantidad ---------- */
.qty {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px;
  background: var(--white);
}
.qty__btn {
  width: 38px; height: 38px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: var(--ice);
  color: var(--navy);
  cursor: pointer;
  transition: background-color .2s, color .2s;
}
.qty__btn svg { width: 18px; height: 18px; }
.qty__btn:hover { background: var(--ice-200); }
.qty__btn--add { background: var(--wa); color: var(--white); }
.qty__btn--add:hover { background: var(--wa-600); }
.qty__val { min-width: 36px; text-align: center; font: 700 1rem var(--font-head); color: var(--navy); }
.qty--sm .qty__btn { width: 32px; height: 32px; }
.qty--sm .qty__val { min-width: 28px; }

.step-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

/* ---------- Carrito lateral ---------- */
.cart { position: sticky; top: calc(var(--header-h) + 20px); }
.cart__inner {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}
.cart__title { display: flex; align-items: center; gap: 10px; font-size: 1.1rem; margin-bottom: 14px; }
.cart__title .icon { color: var(--royal); }
.cart__list { list-style: none; margin: 0; padding: 0; max-height: 46vh; overflow-y: auto; }
.cart__item {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 8px;
  align-items: start;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: .88rem;
}
.cart__qty { font-weight: 700; color: var(--royal); }
.cart__name { color: var(--ink); line-height: 1.35; }
.cart__price { font-weight: 600; color: var(--navy); white-space: nowrap; }
.cart__remove {
  width: 28px; height: 28px;
  margin-top: -4px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #9aa8c2;
  cursor: pointer;
}
.cart__remove:hover { background: #fdecec; color: #c0392b; }
.cart__remove svg { width: 16px; height: 16px; }
.cart__empty { color: var(--muted); font-size: .92rem; margin: 4px 0 8px; }
.cart__total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 14px 0;
  font-weight: 600;
}
.cart__total strong { font: 800 1.35rem var(--font-head); color: var(--navy); }
.cart__cta { width: 100%; }
.cart__note { margin: 12px 0 0; font-size: .8rem; color: var(--muted); text-align: center; }
body:not(.has-items) .cart__cta { opacity: .55; }
.is-final .cart { display: none; }
.is-final .combo-layout { grid-template-columns: minmax(0, 760px); justify-content: center; }

/* Barra inferior en celular */
.cart-bar { display: none; }

/* ---------- Paso final ---------- */
.final-block {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 18px;
}
.final-block h3 { font-size: 1.1rem; margin-bottom: 16px; }

.review { list-style: none; margin: 0; padding: 0; }
.review__item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) auto auto;
  gap: 14px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.review__img { width: 56px; height: 56px; border-radius: 10px; object-fit: cover; background: #f2f5fa; }
.review__img--empty { display: grid; place-items: center; color: #9aa8c2; }
.review__img--empty svg { width: 24px; height: 24px; }
.review__info { display: flex; flex-direction: column; min-width: 0; }
.review__info strong { font-size: .95rem; color: var(--ink); line-height: 1.35; }
.review__info span { font-size: .85rem; color: var(--muted); }
.review__sub { font-family: var(--font-head); color: var(--navy); white-space: nowrap; min-width: 90px; text-align: right; }
.review__total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-top: 16px;
  font-weight: 600;
}
.review__total strong { font: 800 1.5rem var(--font-head); color: var(--navy); }
.review__line {
  display: flex;
  justify-content: space-between;
  padding-top: 12px;
  color: var(--muted);
  font-size: .95rem;
}
.review__line + .review__total { margin-top: 4px; border-top: 1px solid var(--line); }
.review__iva { margin: 8px 0 0; font-size: .85rem; color: var(--muted); text-align: right; }
.iva-tag { color: var(--navy); font-weight: 600; }

/* Facturación: sin factura / Factura A / Factura B */
.final-block h3 .opt { font: 500 .85rem var(--font-body); color: var(--muted); }
.pays.pays--factura { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.factura-ayuda { margin: -8px 0 12px; }
.pays--factura .pay span { flex-direction: column; gap: 3px; }
.pays--factura .pay small { font-weight: 500; font-size: .76rem; color: var(--muted); line-height: 1.3; }
.factura-fields { margin-top: 16px; }

/* Resumen de la compra antes del botón de WhatsApp */
.resumen-final { border: 2px solid var(--ice-200); }
.resumen-final h3 { margin-bottom: 4px; }
.resumen-final__grupo .review__line:first-child { padding-top: 6px; }
.resumen-final .review__total { margin-top: 12px; border-top: 1px solid var(--line); }
.gratis { color: var(--wa-600); font-weight: 700; }

.review-empty { text-align: center; padding: 12px 0; color: var(--muted); }

.pays { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.pay { position: relative; cursor: pointer; }
.pay input { position: absolute; opacity: 0; pointer-events: none; }
.pay span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 10px 12px;
  border: 2px solid var(--line);
  border-radius: var(--radius-sm);
  text-align: center;
  font-weight: 600;
  font-size: .92rem;
  color: var(--navy);
  transition: border-color .2s, background-color .2s;
}
.pay:hover span { border-color: var(--ice-200); }
.pay input:checked + span { border-color: var(--royal); background: var(--ice); }
.pay input:focus-visible + span { outline: 3px solid #8fb3ff; outline-offset: 2px; }

.fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: .88rem; font-weight: 600; color: var(--ink); }
.field .opt { font-weight: 400; color: var(--muted); }
.field input, .field select {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid #cdd6e4;
  border-radius: var(--radius-sm);
  background: var(--white);
  font: 400 1rem var(--font-body);
  color: var(--ink);
}
.field input:focus, .field select:focus { outline: none; border-color: var(--royal); box-shadow: 0 0 0 3px rgba(29, 79, 191, .15); }
.field .is-invalid { border-color: #d64545; background: #fff7f7; }
.form-note { margin: 16px 0 0; font-size: .85rem; color: var(--muted); }
.form-error {
  margin: 0 0 16px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: #fdecec;
  color: #a93226;
  font-size: .92rem;
  font-weight: 500;
}
.final-submit { width: 100%; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 960px) {
  .combo-layout { grid-template-columns: minmax(0, 1fr); padding-bottom: 120px; }
  .cart { display: none; }
  .cart-bar {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 40;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
    background: var(--white);
    border-top: 1px solid var(--line);
    box-shadow: 0 -8px 24px rgba(15, 42, 94, .1);
    transform: translateY(110%);
    transition: transform .25s;
  }
  .has-items .cart-bar { transform: none; }
  .is-final .cart-bar { transform: translateY(110%); }
  .cart-bar__info { display: flex; flex-direction: column; line-height: 1.2; }
  .cart-bar__info span { font-size: .8rem; color: var(--muted); }
  .cart-bar__info strong { font: 800 1.15rem var(--font-head); color: var(--navy); }
}

@media (max-width: 600px) {
  .steps-nav { padding: 14px 4px 12px; }
  .stepper { --c: 40px; }
  .stepper__icon { width: 21px; height: 21px; }
  /* en celular no entran los 6 nombres: se ve solo el del paso actual */
  .stepper__label { font-size: .74rem; white-space: nowrap; visibility: hidden; }
  .is-active .stepper__label { visibility: visible; }
  .stepper__largo { display: none; }
  .stepper__corto { display: inline; }
  .combo-back { font-size: 0; gap: 0; }
  .combo-back .icon { width: 22px; height: 22px; }
  .combo-hero { padding: 40px 0 76px; }
  .pgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .pcard__body { padding: 12px 12px 14px; }
  .pcard__name { font-size: .88rem; }
  .pcard__price { font-size: 1.05rem; margin-bottom: 10px; }
  .qty__btn { width: 34px; height: 34px; }
  .qty__val { min-width: 26px; }
  .step-actions .btn { flex: 1 1 100%; }
  .step-actions span:empty { display: none; }
  .final-block { padding: 18px 16px; }
  .review__item { grid-template-columns: 48px minmax(0, 1fr) auto; gap: 10px; }
  .review__img { width: 48px; height: 48px; }
  .review__item .qty { grid-column: 2; justify-self: start; }
  .review__sub { grid-column: 3; grid-row: 2; align-self: center; }
  .pays { grid-template-columns: 1fr; }
  .fields { grid-template-columns: 1fr 1fr; }
}