/* ============================================================
   TIENDA — Laboratorio Carvajal
   Hero dark + catálogo light + carrito drawer. Mobile-first.
   ============================================================ */

/* ──────────────────────────────────────────────
   HERO (dark, redefine tokens en su subárbol)
   ────────────────────────────────────────────── */
.thero {
  --color-text:        #E8EDF5;
  --color-text-soft:   #B4BECB;
  --color-text-muted:  #8A94A8;
  --color-surface:     rgba(255, 255, 255, 0.05);
  --color-surface-2:   rgba(255, 255, 255, 0.08);
  --color-border:      rgba(255, 255, 255, 0.12);
  --color-border-soft: rgba(255, 255, 255, 0.07);

  position: relative;
  isolation: isolate;
  overflow: hidden;
  color: var(--color-text);
  background: var(--color-bg);
  padding-block: clamp(7rem, 14vw, 10rem) clamp(3rem, 6vw, 5rem);
}

.thero__glow {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(60% 60% at 78% 8%, var(--color-violet-glow) 0%, transparent 60%),
    radial-gradient(55% 55% at 10% 0%, var(--color-cyan-glow) 0%, transparent 55%),
    linear-gradient(180deg, var(--color-bg-soft), var(--color-bg));
  opacity: 0.9;
}
.thero__grid-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, #000 30%, transparent 80%);
}

.thero__inner { max-width: 880px; }

.thero__crumb {
  display: flex;
  gap: var(--space-xs);
  align-items: center;
  font-size: var(--fs-body-s);
  color: var(--color-text-muted);
  margin-bottom: var(--space-l);
}
.thero__crumb a { color: var(--color-text-soft); transition: color var(--dur-fast); }
.thero__crumb a:hover { color: var(--color-cyan); }
.thero__crumb [aria-current] { color: var(--color-text); }

.thero__eyebrow { color: var(--color-cyan-300); margin-bottom: var(--space-m); }

.thero__title {
  font-size: var(--fs-display-xl);
  text-wrap: balance;
  margin-bottom: var(--space-l);
}

.thero__lead {
  font-size: var(--fs-body-xl);
  color: var(--color-text-soft);
  max-width: 60ch;
  margin-bottom: var(--space-xl);
}

/* Buscador */
.thero__search {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-s);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: var(--space-2xs) var(--space-2xs) var(--space-2xs) var(--space-m);
  max-width: 600px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: border-color var(--dur-mid), box-shadow var(--dur-mid);
}
.thero__search:focus-within {
  border-color: var(--color-cyan);
  box-shadow: 0 0 0 4px var(--color-cyan-glow);
}
.thero__search-icon { color: var(--color-text-muted); flex-shrink: 0; }
.thero__search-input {
  flex: 1;
  min-width: 0;
  background: none;
  border: none;
  color: var(--color-text);
  padding-block: 0.85rem;
  font-size: var(--fs-body-m);
}
.thero__search-input::placeholder { color: var(--color-text-muted); }
.thero__search-input:focus { outline: none; }
.thero__search-btn { flex-shrink: 0; }

/* Garantías */
.thero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-s) var(--space-l);
  margin-top: var(--space-xl);
}
.thero__trust li {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--fs-body-s);
  color: var(--color-text-soft);
}
.thero__trust svg { color: var(--color-cyan); flex-shrink: 0; }

.thero__social {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  margin-top: var(--space-l);
  font-size: var(--fs-body-s);
  color: var(--color-text-muted);
}
.thero__social strong { color: var(--color-text); }
.thero__stars { color: #FFC83D; letter-spacing: 1px; }

/* ──────────────────────────────────────────────
   CATÁLOGO (light)
   ────────────────────────────────────────────── */
.catalogo {
  padding-block: clamp(3rem, 6vw, 5rem) var(--space-section);
  background: var(--color-page);
}

.catalogo__head {
  max-width: 60ch;
  margin: 0 auto var(--space-2xl);
  text-align: center;
}
.catalogo__title { margin: var(--space-2xs) 0 var(--space-s); text-wrap: balance; }
.catalogo__lead { font-size: var(--fs-body-l); color: var(--color-text-soft); }

/* TOOLBAR sticky */
.catalogo__toolbar {
  position: sticky;
  top: 64px;
  z-index: var(--z-sticky);
  display: flex;
  flex-direction: column;
  gap: var(--space-m);
  padding: var(--space-m);
  margin-bottom: var(--space-xl);
  background: rgba(246, 249, 252, 0.85);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-card);
  backdrop-filter: saturate(160%) blur(16px);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
}

.catalogo__chips {
  display: flex;
  gap: var(--space-xs);
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 2px;
  scroll-snap-type: x proximity;
}
.catalogo__chips::-webkit-scrollbar { display: none; }

.chip {
  flex-shrink: 0;
  scroll-snap-align: start;
  padding: 0.5rem 1rem;
  font-size: var(--fs-body-s);
  font-weight: var(--fw-medium);
  color: var(--color-text-soft);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  white-space: nowrap;
  transition: all var(--dur-fast) var(--ease-out);
}
.chip:hover { border-color: var(--color-cyan-600); color: var(--color-text); }
.chip--active {
  color: #fff;
  background: linear-gradient(120deg, var(--color-cyan-600), var(--color-violet));
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(0, 212, 255, 0.25);
}

.catalogo__controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-s);
}
.select-field { position: relative; display: inline-flex; }
.select-field select {
  appearance: none;
  -webkit-appearance: none;
  padding: 0.55rem 2.2rem 0.55rem 0.9rem;
  font-size: var(--fs-body-s);
  font-weight: var(--fw-medium);
  color: var(--color-text);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-soft);
  cursor: pointer;
  transition: border-color var(--dur-fast);
}
.select-field select:hover { border-color: var(--color-cyan-600); }
.select-field::after {
  content: '';
  position: absolute;
  right: 0.8rem;
  top: 50%;
  width: 9px; height: 9px;
  transform: translateY(-65%) rotate(45deg);
  border-right: 2px solid var(--color-text-muted);
  border-bottom: 2px solid var(--color-text-muted);
  pointer-events: none;
}
.catalogo__count {
  margin-left: auto;
  font-size: var(--fs-body-s);
  color: var(--color-text-soft);
}
.catalogo__count strong { color: var(--color-text); font-family: var(--font-mono); }

/* GRID */
.catalogo__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: var(--space-l);
  align-items: stretch;
}

/* Tarjeta producto */
.pcard {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-s);
  padding: clamp(1.25rem, 2.5vw, 1.6rem);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  transition: transform var(--dur-mid) var(--ease-out),
              box-shadow var(--dur-mid) var(--ease-out),
              border-color var(--dur-mid);
}
.pcard:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 44px rgba(13, 38, 71, 0.12);
  border-color: rgba(0, 212, 255, 0.35);
}
.pcard--featured {
  border-color: rgba(0, 212, 255, 0.55);
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.14);
}
.pcard--featured::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-card);
  padding: 1px;
  background: linear-gradient(120deg, var(--color-cyan), var(--color-violet-400));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.6;
}

.pcard__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xs);
}
.pcard__dto {
  font-family: var(--font-mono);
  font-weight: var(--fw-bold);
  font-size: var(--fs-body-s);
  color: #fff;
  background: var(--color-error);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-pill);
}
.pcard__badge {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: var(--fw-semibold);
  color: var(--color-ink);
  background: linear-gradient(120deg, var(--color-cyan), var(--color-violet-400));
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-pill);
}

.pcard__tags { display: flex; flex-wrap: wrap; gap: var(--space-2xs); }
.pcard__tag {
  font-size: var(--fs-body-xs);
  font-weight: var(--fw-medium);
  color: var(--color-cyan-600);
  background: rgba(0, 212, 255, 0.10);
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-pill);
}
.pcard__tag--soft { color: var(--color-violet); background: rgba(123, 47, 190, 0.10); }

.pcard__title {
  font-size: var(--fs-display-s);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  line-height: var(--lh-snug);
}
.pcard__desc {
  font-size: var(--fs-body-s);
  color: var(--color-text-soft);
  line-height: var(--lh-relaxed);
  flex: 1;
}

.pcard__price {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-2xs);
}
.pcard__antes {
  font-size: var(--fs-body-s);
  color: var(--color-text-muted);
  text-decoration: line-through;
}
.pcard__now {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: var(--fw-bold);
  color: var(--color-text);
  letter-spacing: var(--ls-tight);
}
.pcard__save {
  width: 100%;
  font-size: var(--fs-body-xs);
  font-weight: var(--fw-semibold);
  color: var(--color-success);
}

.pcard__meta {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--fs-body-xs);
  color: var(--color-text-muted);
}
.pcard__meta svg { color: var(--color-cyan-600); flex-shrink: 0; }

.pcard__actions { display: flex; gap: var(--space-xs); margin-top: var(--space-2xs); }
.pcard__add { flex: 1; justify-content: center; padding-inline: 1rem; }
.pcard__ask {
  flex-shrink: 0;
  padding: 0.9rem;
  aspect-ratio: 1;
  justify-content: center;
}
.pcard__ask svg { color: var(--color-whatsapp); }

/* Estado vacío */
.catalogo__empty {
  text-align: center;
  padding: var(--space-3xl) var(--space-m);
  color: var(--color-text-muted);
}
.catalogo__empty svg { margin: 0 auto var(--space-m); color: var(--color-text-muted); }
.catalogo__empty p { margin-bottom: var(--space-m); font-size: var(--fs-body-l); }

.catalogo__note {
  margin-top: var(--space-2xl);
  text-align: center;
  font-size: var(--fs-body-m);
  color: var(--color-text-soft);
}
.catalogo__note a {
  color: var(--color-cyan-600);
  font-weight: var(--fw-semibold);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ──────────────────────────────────────────────
   PASOS / Cómo funciona (light, fondo blanco)
   ────────────────────────────────────────────── */
.pasos {
  padding-block: var(--space-section);
  background: #fff;
  border-top: 1px solid var(--color-border-soft);
}
.pasos__head { text-align: center; max-width: 50ch; margin: 0 auto var(--space-2xl); }
.pasos__title { margin-top: var(--space-2xs); text-wrap: balance; }

.pasos__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-l);
  counter-reset: paso;
}
.paso {
  position: relative;
  padding: var(--space-l);
  background: var(--color-page);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-card);
}
.paso__num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: var(--fw-bold);
  background: linear-gradient(120deg, var(--color-cyan-600), var(--color-violet));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.paso__title { font-size: var(--fs-display-s); margin: var(--space-xs) 0; color: var(--color-text); }
.paso__text { font-size: var(--fs-body-s); color: var(--color-text-soft); line-height: var(--lh-relaxed); }

.pasos__guarantees {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-m);
  margin-top: var(--space-2xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-border-soft);
}
.pasos__guarantees li { display: flex; align-items: center; gap: var(--space-s); }
.pasos__guarantees svg { color: var(--color-cyan-600); flex-shrink: 0; }
.pasos__guarantees strong { display: block; font-size: var(--fs-body-m); color: var(--color-text); }
.pasos__guarantees span { font-size: var(--fs-body-s); color: var(--color-text-muted); }

/* ──────────────────────────────────────────────
   CARRITO — FAB + drawer + toast
   ────────────────────────────────────────────── */
.cart-fab {
  position: fixed;
  right: var(--space-l);
  bottom: var(--space-l);
  z-index: var(--z-fab);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.85rem 1.25rem;
  color: var(--color-ink);
  background: linear-gradient(120deg, var(--color-cyan), var(--color-cyan-300));
  border-radius: var(--radius-pill);
  font-weight: var(--fw-semibold);
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4);
  transition: transform var(--dur-mid) var(--ease-out), box-shadow var(--dur-mid);
}
.cart-fab:hover { transform: translateY(-3px); box-shadow: 0 14px 38px rgba(0, 212, 255, 0.5); }
.cart-fab__count {
  display: inline-grid;
  place-items: center;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-body-xs);
  font-weight: var(--fw-bold);
  color: #fff;
  background: var(--color-violet);
  border-radius: var(--radius-pill);
}
@keyframes cart-pop { 0% { transform: scale(1); } 40% { transform: scale(1.18); } 100% { transform: scale(1); } }
.cart-fab--pulse { animation: cart-pop 420ms var(--ease-spring); }

.cart-backdrop {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: rgba(10, 14, 26, 0.55);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  opacity: 0;
  transition: opacity var(--dur-mid) var(--ease-out);
}
.cart-backdrop.is-open { opacity: 1; }

.cart-drawer {
  position: fixed;
  top: 0; right: 0;
  z-index: calc(var(--z-modal) + 1);
  display: flex;
  flex-direction: column;
  width: min(420px, 92vw);
  height: 100dvh;
  background: #fff;
  box-shadow: var(--shadow-l);
  transform: translateX(100%);
  transition: transform var(--dur-mid) var(--ease-out);
  padding-bottom: env(safe-area-inset-bottom);
}
.cart-drawer.is-open { transform: translateX(0); }

.cart-drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-l);
  border-bottom: 1px solid var(--color-border-soft);
}
.cart-drawer__title {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--fs-display-s);
  color: var(--color-text);
}
.cart-drawer__pill {
  display: inline-grid;
  place-items: center;
  min-width: 24px; height: 24px;
  padding: 0 7px;
  font-family: var(--font-mono);
  font-size: var(--fs-body-xs);
  color: #fff;
  background: var(--color-cyan-600);
  border-radius: var(--radius-pill);
}
.cart-drawer__close {
  display: grid; place-items: center;
  width: 40px; height: 40px;
  color: var(--color-text-soft);
  border-radius: var(--radius-soft);
  transition: background var(--dur-fast);
}
.cart-drawer__close:hover { background: var(--color-surface); color: var(--color-text); }

.cart-drawer__empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-m);
  padding: var(--space-2xl);
  text-align: center;
  color: var(--color-text-muted);
}

.cart-drawer__items {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-m) var(--space-l);
  display: flex;
  flex-direction: column;
  gap: var(--space-s);
}

.cart-item {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: var(--space-s);
  padding: var(--space-s) 0;
  border-bottom: 1px solid var(--color-border-soft);
}
.cart-item__name { font-size: var(--fs-body-s); font-weight: var(--fw-medium); color: var(--color-text); line-height: 1.3; }
.cart-item__price { font-size: var(--fs-body-xs); color: var(--color-text-muted); }
.cart-item__price span { opacity: 0.7; }
.cart-item__qty {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 0.15rem 0.35rem;
}
.cart-item__qty button {
  display: grid; place-items: center;
  width: 26px; height: 26px;
  font-size: 1.1rem;
  line-height: 1;
  color: var(--color-cyan-600);
  border-radius: 50%;
  transition: background var(--dur-fast);
}
.cart-item__qty button:hover { background: rgba(0, 212, 255, 0.12); }
.cart-item__qty span { min-width: 18px; text-align: center; font-family: var(--font-mono); font-size: var(--fs-body-s); }
.cart-item__remove {
  display: grid; place-items: center;
  width: 32px; height: 32px;
  color: var(--color-text-muted);
  border-radius: var(--radius-soft);
  transition: color var(--dur-fast), background var(--dur-fast);
}
.cart-item__remove:hover { color: var(--color-error); background: rgba(242, 95, 92, 0.1); }

.cart-drawer__foot {
  padding: var(--space-l);
  border-top: 1px solid var(--color-border-soft);
  background: var(--color-page);
}
.cart-drawer__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--space-xs);
  font-size: var(--fs-body-m);
  color: var(--color-text-soft);
}
.cart-drawer__row--save strong { color: var(--color-success); font-weight: var(--fw-semibold); }
.cart-drawer__row--total {
  font-size: var(--fs-body-l);
  color: var(--color-text);
}
.cart-drawer__row--total strong { font-family: var(--font-display); font-size: 1.4rem; font-weight: var(--fw-bold); }
.cart-drawer__disclaimer { font-size: var(--fs-body-xs); color: var(--color-text-muted); margin-bottom: var(--space-m); }
.cart-drawer__checkout { width: 100%; justify-content: center; }
.cart-drawer__checkout svg { color: currentColor; }
.cart-drawer__continue {
  width: 100%;
  margin-top: var(--space-s);
  padding: var(--space-xs);
  font-size: var(--fs-body-s);
  font-weight: var(--fw-medium);
  color: var(--color-text-soft);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Toast */
.cart-toast {
  position: fixed;
  left: 50%;
  bottom: calc(var(--space-l) + 70px);
  z-index: var(--z-fab);
  transform: translate(-50%, 16px);
  padding: 0.75rem 1.25rem;
  font-size: var(--fs-body-s);
  font-weight: var(--fw-medium);
  color: var(--color-text);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-m);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-mid) var(--ease-out), transform var(--dur-mid) var(--ease-out);
}
.cart-toast--show { opacity: 1; transform: translate(-50%, 0); }

/* ──────────────────────────────────────────────
   Responsive
   ────────────────────────────────────────────── */
@media (max-width: 560px) {
  .thero__search { flex-wrap: wrap; border-radius: var(--radius-lg); }
  .thero__search-btn { width: 100%; justify-content: center; }
  .catalogo__toolbar { top: 56px; }
  .catalogo__count { width: 100%; margin-left: 0; }
  .cart-fab { right: var(--space-m); bottom: var(--space-m); }
  .cart-fab__label { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .pcard, .cart-fab, .cart-drawer, .cart-backdrop, .cart-toast { transition: none; }
  .cart-fab--pulse { animation: none; }
}