/* ==========================================================================
   LOS 4 PRODUCTOS — el producto como objeto central (60–70 % de la altura),
   selector secundario, ficha compacta. Sistema de color: base Probify + acento
   del producto (--accent, lo fija JS en la sección) que tiñe luz, partículas,
   etiquetas y nombre de fondo sin cambiar la composición.
   Todo el cambio de producto es compositor-only: opacidad, transform, clip-path.
   ========================================================================== */
.products {
  --viewer-h: min(56svh, 30rem);
  position: relative; isolation: isolate; overflow: clip;
  padding: var(--s-9) 0 var(--s-9);
  background: var(--ink-950);
}
/* Fondo: tinte pre-desenfocado del producto activo + halo del acento (4 capas estáticas, crossfade por opacidad) */
.products__bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.products__particles { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.7; z-index: 2; }
.products__tint { position: absolute; left: -6%; top: -6%; width: 112%; height: 112%; max-width: none; opacity: 0; transition: opacity 700ms var(--ease-in-out) 250ms; }
.products__tint img { position: absolute; inset: 0; width: 100%; height: 100%; max-width: none; object-fit: cover; display: block; }
.products__halo {
  position: absolute; left: 50%; top: 52%; width: min(90vw, 40rem); aspect-ratio: 1; translate: -50% -50%;
  background: radial-gradient(closest-side, color-mix(in oklab, var(--c) 46%, transparent), color-mix(in oklab, var(--c) 14%, transparent) 45%, transparent 72%);
  opacity: 0; scale: 0.85; transition: opacity 700ms var(--ease-in-out) 250ms, scale 900ms var(--ease-out) 250ms; z-index: 1;
}
.products[data-active="aura"] .products__tint[data-for="aura"], .products[data-active="v"] .products__tint[data-for="v"],
.products[data-active="fortix"] .products__tint[data-for="fortix"], .products[data-active="pro"] .products__tint[data-for="pro"] { opacity: 0.55; }
.products[data-active="aura"] .products__halo[data-for="aura"], .products[data-active="v"] .products__halo[data-for="v"],
.products[data-active="fortix"] .products__halo[data-for="fortix"], .products[data-active="pro"] .products__halo[data-for="pro"] { opacity: 1; scale: 1; }
.products__bg::after { content: ""; position: absolute; inset: 0; z-index: 3; background: linear-gradient(180deg, var(--ink-950) 0%, transparent 22%, transparent 78%, var(--ink-950) 100%); }

.products__head { position: relative; z-index: 1; display: grid; gap: var(--s-3); margin-bottom: var(--s-6); }
.products__head .lead { max-width: 40ch; }
.products__head .display { font-size: var(--fs-h2); }
.products__head .display strong { color: var(--accent); transition: color var(--dur-cine) var(--ease-in-out) 400ms; }

.products__stage {
  position: relative; z-index: 1;
  display: grid; gap: var(--s-5);
  grid-template-areas: "tabs" "viewer" "info";
}

/* --- Selector (secundario) --- */
.products__tabs { grid-area: tabs; display: flex; gap: var(--s-2); overflow-x: auto; scrollbar-width: none; padding-bottom: 2px; }
.products__tabs::-webkit-scrollbar { display: none; }
.ptab {
  --c: var(--accent);
  flex: 0 0 auto; display: grid; grid-template-columns: auto 1fr; column-gap: var(--s-3); align-items: baseline;
  padding: var(--s-3) var(--s-4); border-radius: var(--r-pill);
  box-shadow: inset 0 0 0 1px var(--line); color: var(--fg-muted);
  transition: color var(--dur-base), box-shadow var(--dur-base), background-color var(--dur-base);
  text-align: left;
}
.ptab__n { font-size: 0.875rem; letter-spacing: 0.2em; color: var(--c); font-weight: 500; }
.ptab__name { font-weight: 500; font-size: var(--fs-small); letter-spacing: 0.08em; color: var(--fg); }
.ptab__sys { display: none; }
.ptab:hover { color: var(--fg); box-shadow: inset 0 0 0 1px var(--line-strong); }
.ptab[aria-selected="true"] { background: color-mix(in srgb, var(--c) 18%, transparent); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--c) 60%, transparent); }

/* --- Escenario --- */
.products__viewer { grid-area: viewer; position: relative; height: var(--viewer-h); }
/* Nombre editorial detrás del producto: tipografía enorme, contorno del acento */
/* Nombre en vertical (de abajo arriba) a la izquierda del sobre, a todo el alto del escenario: nunca queda tapado */
.products__backdrop { position: absolute; inset: 0; z-index: 0; display: grid; place-items: center start; padding-left: 2%; pointer-events: none; overflow: hidden; }

.products__backdrop span {
  grid-area: 1 / 1; writing-mode: vertical-rl; transform: rotate(180deg); font-size: clamp(5rem, 26cqw, 13rem); font-weight: 700; letter-spacing: 0.02em; line-height: 0.9; max-height: 100%; color: color-mix(in srgb, var(--accent) 10%, transparent);
  -webkit-text-stroke: 1.5px color-mix(in srgb, var(--accent) 85%, transparent);
  opacity: 0; transform: rotate(180deg) translateY(-0.08em) scale(0.96); transition: opacity 800ms var(--ease-in-out) 300ms, transform 900ms var(--ease-out) 300ms;
}
.products[data-active="aura"] .products__backdrop [data-for="aura"], .products[data-active="v"] .products__backdrop [data-for="v"],
.products[data-active="fortix"] .products__backdrop [data-for="fortix"], .products[data-active="pro"] .products__backdrop [data-for="pro"] { opacity: 0.85; transform: rotate(180deg); }
.products__track {
  position: relative; z-index: 1; height: 100%;
  display: flex; overflow-x: auto; overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory; scrollbar-width: none;
}
.products__track::-webkit-scrollbar { display: none; }
.pslide { flex: 0 0 100%; height: 100%; margin: 0; scroll-snap-align: center; display: grid; place-items: center; position: relative; }
.pslide picture { display: contents; }
.pslide img { position: relative; z-index: 1; height: calc(var(--viewer-h) * 0.9); width: auto; transition: transform var(--dur-slow) var(--ease-out); }
/* Sombra de contacto como capa estática (sin filter animado) */
.pslide::after { content: ""; position: absolute; left: 50%; bottom: 2%; width: calc(var(--viewer-h) * 0.5); height: 6%; translate: -50% 0; border-radius: 50%; background: radial-gradient(50% 50% at 50% 50%, rgba(0, 0, 0, 0.6), transparent 70%); z-index: 0; }
.products__swipe { position: absolute; bottom: -0.5rem; left: 50%; transform: translateX(-50%); font-size: 0.875rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--fg-subtle); z-index: 2; }

/* --- Ficha compacta --- */
.products__info { grid-area: info; position: relative; min-height: 20rem; }
.ppanel { display: grid; gap: var(--s-3); align-content: start; }
.ppanel[hidden] { display: none; }
.ppanel > * { animation: panel-in 600ms var(--ease-out) both; animation-delay: calc(var(--d, 0) * 55ms); }
.ppanel.is-out > * { animation: panel-out 240ms var(--ease-in-out) both; animation-delay: calc(var(--d, 0) * 20ms); }
@keyframes panel-out { to { opacity: 0; transform: translateY(-0.5rem); } }
.ppanel > *:nth-child(2) { --d: 1; } .ppanel > *:nth-child(3) { --d: 2; } .ppanel > *:nth-child(4) { --d: 3; } .ppanel > *:nth-child(5) { --d: 4; } .ppanel > *:nth-child(6) { --d: 5; }
@keyframes panel-in { from { opacity: 0; transform: translateY(0.75rem); } }
.ppanel__icon { height: clamp(4rem, 6vw, 5.25rem); width: auto; filter: drop-shadow(0 6px 16px rgb(0 0 0 / 0.45)); }
.ppanel__sys { text-shadow: 0 1px 12px rgb(0 0 0 / 0.55); font-size: 1rem; letter-spacing: var(--track-eyebrow); text-transform: uppercase; color: color-mix(in oklab, var(--accent) 50%, white); font-weight: 600; }
.ppanel__name { font-size: var(--fs-h2); font-weight: 700; letter-spacing: -0.03em; line-height: 1; }
.ppanel__desc { font-size: 1.0625rem; font-weight: 300; line-height: 1.45; color: var(--fg); text-wrap: pretty; max-width: 34ch; }
.ppanel__meta { display: grid; gap: var(--s-3); margin: var(--s-1) 0 0; padding-top: var(--s-3); border-top: 1px solid var(--line); }
.ppanel__meta dt { font-size: 0.9375rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--fg-subtle); margin-bottom: var(--s-1); font-weight: 500; }
.ppanel__meta dd { margin: 0; font-size: 1.125rem; color: var(--fg-muted); line-height: 1.5; }
.ppanel__meta dd.data { color: var(--fg); font-size: 1.0625rem; }
.ppanel__meta ul { display: flex; flex-wrap: wrap; gap: 0.1rem var(--s-3); }
.ppanel__meta li { font-style: italic; padding: 0.1rem 0; }
.ppanel__meta li::before { content: "·"; color: var(--accent); margin-right: 0.4rem; font-style: normal; }
.ppanel__ctas { display: flex; flex-wrap: wrap; gap: var(--s-3); margin-top: var(--s-2); }

/* ============ Desktop: selector | producto (protagonista) | ficha ============ */
@media (min-width: 1024px) {
  .products { padding: var(--s-8) 0 var(--s-9); min-height: 100svh; display: grid; align-content: center; --viewer-h: clamp(26rem, 68vh, 46rem); }
  .products { --info-w: clamp(24rem, 36%, 30rem); }
  .products__head { grid-template-columns: minmax(0, 1fr) var(--info-w); column-gap: var(--s-6); align-items: end; margin-bottom: var(--s-5); }
  .products__head .lead { max-width: none; }
  .products__head .eyebrow { grid-column: 1 / -1; }
  .products__stage { grid-template-columns: 12.5rem minmax(0, 1fr) var(--info-w); grid-template-areas: "tabs viewer info"; align-items: center; gap: var(--s-6); }
  .products__tabs { flex-direction: column; gap: 0; overflow: visible; }
  .ptab { grid-template-columns: 2.25rem 1fr; padding: var(--s-4) 0; border-radius: 0; box-shadow: none; border-top: 1px solid var(--line); position: relative; color: var(--fg-subtle); }
  .ptab:last-child { border-bottom: 1px solid var(--line); }
  .ptab::before { content: ""; position: absolute; left: 0; top: -1px; height: 1px; width: 0; background: var(--c); transition: width var(--dur-slow) var(--ease-out); }
  .ptab[aria-selected="true"] { background: none; box-shadow: none; color: var(--fg); }
  .ptab[aria-selected="true"]::before { width: 100%; }
  .ptab:hover { box-shadow: none; }
  .ptab__name { font-size: 1.375rem; letter-spacing: -0.01em; font-weight: 500; color: inherit; transition: color var(--dur-base); }
  .ptab[aria-selected="true"] .ptab__name { color: var(--fg); }
  .ptab__sys { display: block; grid-column: 2; font-size: 1rem; color: var(--fg-subtle); letter-spacing: 0.02em; margin-top: 0.15rem; }
  .ptab__n { color: var(--c); opacity: 0.7; }
  .ptab[aria-selected="true"] .ptab__n { opacity: 1; }
  .products__track { overflow: visible; scroll-snap-type: none; display: block; }
  /* Cambio de escena: el entrante se revela con máscara circular desde el centro del producto mientras sube y crece;
     el saliente se contrae, se inclina y sale por arriba. La luz (halo/tinte/nombre) cambia a la vez. */
  .pslide { position: absolute; inset: 0; opacity: 0; pointer-events: none; clip-path: circle(0% at 50% 58%); transition: clip-path var(--dur-cine) var(--ease-out), opacity var(--dur-fast) linear var(--dur-cine); }
  .pslide img { transform: translateY(3rem) scale(0.9) rotate(2deg); transition: transform var(--dur-cine) var(--ease-out); }
  .pslide.is-leaving { opacity: 0; clip-path: circle(80% at 50% 58%); transition: opacity 520ms var(--ease-in-out) 120ms, clip-path 640ms var(--ease-in-out) 120ms; }
  .pslide.is-leaving img { transform: translateY(-3rem) scale(0.94) rotate(-2deg); transition-duration: 640ms; transition-delay: 120ms; }
  .pslide.is-active { opacity: 1; pointer-events: auto; clip-path: circle(80% at 50% 58%); transition: clip-path var(--dur-cine) var(--ease-out) 360ms, opacity 1ms linear 360ms; }
  .pslide.is-active img { transform: translateY(0) scale(1) rotate(0deg); transition-delay: 360ms; }
  .pslide::after { opacity: 0; transition: opacity var(--dur-cine) var(--ease-out); }
  .pslide.is-active::after { opacity: 1; transition-delay: 360ms; }
  .products__swipe { display: none; }
  .products__info { min-height: 24rem; }
}
@media (min-width: 1536px) {
  .products { --info-w: clamp(26rem, 36%, 32rem); } .products__stage { grid-template-columns: 13.5rem minmax(0, 1fr) var(--info-w); gap: var(--s-8); } .products__head { column-gap: var(--s-8); }
}

@media (prefers-reduced-motion: reduce) {
  .ppanel > * { animation: none; }
  .pslide img, .pslide, .pslide::after { transition-duration: 1ms; transition-delay: 0ms; }
  .products__tint, .products__halo, .products__backdrop span { transition-duration: 1ms; transition-delay: 0ms; }
  .ppanel.is-out > * { animation: none; }
}
html[data-quality="low"] .products__backdrop { display: none; }

/* --- Ficha V4: composición y cepas con porcentaje (PDF "Utilidad terapéutica" del cliente) --- */
.pp-strains { display: grid !important; gap: 0.15rem var(--s-3) !important; grid-template-columns: 1fr; }
.pp-strains li { display: flex; justify-content: space-between; gap: var(--s-3); align-items: baseline; font-style: italic; }
.pp-strains li::before { content: none !important; }
.pp-strain__name { position: relative; padding-left: 0.9rem; }
.pp-strain__name::before { content: ""; position: absolute; left: 0; top: 0.5em; width: 0.35rem; height: 0.35rem; border-radius: 50%; background: var(--accent); }
.pp-strain__pct { font-size: 0.875rem; color: var(--fg); white-space: nowrap; }
.pp-others { font-style: normal; }
.pp-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-3); }
.pp-comp { font-size: 0.9375rem; color: var(--fg-subtle); line-height: 1.55; }
.pp-comp summary { cursor: pointer; color: var(--fg-muted); font-size: 0.875rem; letter-spacing: 0.16em; text-transform: uppercase; list-style: none; display: inline-flex; align-items: center; gap: var(--s-2); }
.pp-comp summary::-webkit-details-marker { display: none; }
.pp-comp summary::after { content: "+"; color: var(--accent); font-size: 0.9rem; }
.pp-comp[open] summary::after { content: "–"; }
.pp-comp p { margin: var(--s-2) 0 0; max-width: 60ch; }
@media (min-width: 1280px) { .pp-strains { grid-template-columns: 1fr; } }
/* Ficha V4 más compacta en escritorio: cabe en 900 px de alto con las cepas y la composición plegada */
@media (min-width: 1024px) {
  .ppanel { gap: var(--s-2); }
  .ppanel__icon { height: 3.75rem; }
  .ppanel__desc { font-size: 1rem; line-height: 1.4; }
  .ppanel__meta { gap: var(--s-2); padding-top: var(--s-2); }
  .ppanel__meta dd { font-size: 1.0625rem; }
  .pp-strains li { line-height: 1.3; }
  .ppanel__ctas { gap: var(--s-2); }
  .ppanel__ctas .btn { padding: 0.65rem 1.1rem; font-size: 1rem; }
}

/* --- UFC: el dato protagonista de la ficha (unidades formadoras de colonia por sachet). Conteo de 2,6 s con brillo creciente; al llegar, pulso + onda + chispas --- */
.pp-ufc { position: relative; margin: var(--s-2) 0 0; padding: var(--s-4) var(--s-5); border-radius: var(--r-md); border: 1px solid color-mix(in oklab, var(--accent) 35%, var(--line)); background: linear-gradient(135deg, color-mix(in oklab, var(--accent) 14%, transparent), transparent 70%); overflow: hidden; isolation: isolate; }
.pp-ufc::before { content: ""; position: absolute; inset: -40% -20%; z-index: -1; background: radial-gradient(40% 50% at 15% 50%, color-mix(in oklab, var(--accent) 28%, transparent), transparent 70%); animation: ufc-glow 4s ease-in-out infinite; }
@keyframes ufc-glow { 50% { transform: translateX(14%); opacity: 0.7; } }
.pp-ufc__kicker { margin: 0; font-size: 0.8125rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--fg-muted); }
.pp-ufc__big { margin: 0.2rem 0 0; display: flex; align-items: baseline; gap: 0.45rem; flex-wrap: wrap; line-height: 1; }
.pp-ufc__n { position: relative; display: inline-block; font-size: clamp(2.75rem, 5vw, 4rem); font-weight: 700; letter-spacing: -0.04em; color: var(--fg); font-variant-numeric: tabular-nums; text-shadow: 0 0 28px color-mix(in oklab, var(--accent) 55%, transparent); }
.pp-ufc.is-count .pp-ufc__n { animation: ufc-pop 6400ms linear both; }
/* brillo que crece con el conteo (texto degradado blanco → color) */
.pp-ufc.is-count .pp-ufc__n { background: linear-gradient(90deg, #fff, color-mix(in oklab, var(--accent) 45%, #fff)); -webkit-background-clip: text; background-clip: text; color: transparent; text-shadow: none; filter: drop-shadow(0 0 14px color-mix(in oklab, var(--accent) 70%, transparent)); }
/* onda al llegar */
.pp-ufc::after { content: ""; position: absolute; left: 20%; top: 50%; width: 3rem; height: 3rem; border-radius: 50%; translate: -50% -50%; border: 3px solid var(--accent); box-shadow: 0 0 18px color-mix(in oklab, var(--accent) 80%, transparent); opacity: 0; pointer-events: none; }
.pp-ufc.is-count::after { animation: ufc-ring 900ms var(--ease-out) 5900ms both; }
@keyframes ufc-ring { 0% { opacity: 0.9; transform: scale(0.3); } 100% { opacity: 0; transform: scale(5); border-width: 0.5px; } }
/* chispas en los cuatro colores */
.pp-ufc__spark { position: absolute; left: 20%; top: 52%; width: 0; height: 0; pointer-events: none; }
.pp-ufc__spark i { position: absolute; left: 0; top: 0; width: calc(var(--s) * 2.2); height: calc(var(--s) * 2.2); border-radius: 50%; background: var(--accent); opacity: 0; transform: rotate(var(--a)) translateX(0); box-shadow: 0 0 10px 2px currentColor; }
.pp-ufc__spark i:nth-child(4n+1) { background: var(--p-fortix); color: var(--p-fortix); } .pp-ufc__spark i:nth-child(4n+2) { background: var(--p-pro); color: var(--p-pro); } .pp-ufc__spark i:nth-child(4n+3) { background: var(--p-v); color: var(--p-v); } .pp-ufc__spark i:nth-child(4n+4) { background: var(--p-aura); color: var(--p-aura); }
.pp-ufc.is-count .pp-ufc__spark i { animation: ufc-spark 1300ms cubic-bezier(0.1, 0.7, 0.3, 1) 5920ms both; }
@keyframes ufc-spark { 0% { opacity: 0; transform: rotate(var(--a)) translateX(0) scale(0.4); } 15% { opacity: 1; } 100% { opacity: 0; transform: rotate(var(--a)) translateX(calc(var(--d) * 1.4)) scale(0.6); } }
.pp-ufc__unit { font-size: clamp(1.125rem, 1.6vw, 1.5rem); font-weight: 300; color: var(--fg); }
.pp-ufc__label { margin: 0.35rem 0 0; font-size: 0.875rem; letter-spacing: 0.18em; text-transform: uppercase; color: color-mix(in oklab, var(--accent) 55%, white); font-weight: 600; }
@keyframes ufc-pop { 0% { transform: scale(0.94); } 93% { transform: scale(1); } 96% { transform: scale(1.1); filter: drop-shadow(0 0 26px color-mix(in oklab, var(--accent) 95%, transparent)) brightness(1.6); } 100% { transform: none; filter: drop-shadow(0 0 14px color-mix(in oklab, var(--accent) 70%, transparent)); } }
.pp-row--3 { grid-template-columns: 1fr 1fr 1fr; }
.ppanel__meta dd a { color: var(--fg); text-decoration: underline; text-underline-offset: 0.2em; text-decoration-color: var(--line-strong); }
.ppanel__meta dd a:hover { text-decoration-color: var(--accent); }
@media (max-width: 480px) { .pp-row--3 { grid-template-columns: 1fr 1fr; } .pp-row--3 > div:last-child { grid-column: 1 / -1; } }
@media (prefers-reduced-motion: reduce) { .pp-ufc::before, .pp-ufc.is-count .pp-ufc__n, .pp-ufc.is-count::after, .pp-ufc.is-count .pp-ufc__spark i { animation: none; } }

/* --- Cambio de producto: barrido de luz, onda de color y entrada 3D del sobre (solo desktop) --- */
.products__ring { position: absolute; left: 50%; top: 58%; width: 10%; aspect-ratio: 1; translate: -50% -50%; border-radius: 50%; pointer-events: none; z-index: 0; opacity: 0; border: 2px solid var(--accent); box-shadow: 0 0 40px color-mix(in oklab, var(--accent) 60%, transparent), inset 0 0 30px color-mix(in oklab, var(--accent) 30%, transparent); }
.products__sweep { position: absolute; inset: 0; pointer-events: none; z-index: 2; opacity: 0; background: linear-gradient(105deg, transparent 44%, color-mix(in oklab, var(--accent) 30%, white) 50%, transparent 56%); background-size: 300% 100%; background-position: 100% 0; mix-blend-mode: screen; }
.products.is-switching .products__ring { animation: prod-ring 1100ms var(--ease-out) 300ms both; }
.products.is-switching .products__sweep { animation: prod-sweep 900ms var(--ease-in-out) 520ms both; }
@keyframes prod-ring { 0% { opacity: 0.9; transform: scale(0.4); } 100% { opacity: 0; transform: scale(9); border-width: 0.5px; } }
@keyframes prod-sweep { 0% { opacity: 0; background-position: 100% 0; } 30% { opacity: 0.55; } 100% { opacity: 0; background-position: 0% 0; } }
@media (min-width: 1024px) {
  .products__viewer { perspective: 1200px; container-type: inline-size; }
  .pslide img { transform: translateY(3rem) scale(0.86) rotate(3deg) rotateY(-28deg); transform-origin: 50% 70%; }
  .pslide.is-leaving img { transform: translateY(-3.5rem) scale(0.9) rotate(-3deg) rotateY(22deg); filter: blur(2px) brightness(0.8); transition: transform 640ms var(--ease-in-out) 120ms, filter 400ms linear 120ms; }
  .pslide.is-active img { transform: none; filter: none; transition: transform var(--dur-cine) cubic-bezier(0.22, 1.2, 0.36, 1) 360ms, filter 300ms linear 360ms; }
}
@media (prefers-reduced-motion: reduce) { .products.is-switching .products__ring, .products.is-switching .products__sweep { animation: none; } .pslide img { transform: none !important; filter: none !important; } }
html[data-quality="low"] .products__ring, html[data-quality="low"] .products__sweep { display: none; }