/* ============================================================
 * premium-motion.css · Prosermat · 2026
 * ------------------------------------------------------------
 * Capa de micro-interacciones y movimiento sutil.
 * Carga DESPUÉS de premium-storefront.css, premium-trust.css,
 * premium-interactions.css, premium-catnav.css.
 *
 * Reglas:
 *  - Solo animar transform / opacity (GPU-friendly).
 *  - Respetar prefers-reduced-motion.
 *  - Mobile: reducir animaciones (los users scrollean rápido).
 *  - Sin emojis, sin confetti, sin elementos decorativos extra.
 *  - Variables --pm-ease / --pm-ease-out vienen de premium-storefront.
 * ============================================================ */

/* ── Tokens locales (fallbacks por si no cargó premium-storefront) ── */
:root {
  --pmm-ease:       cubic-bezier(.22,.9,.22,1);
  --pmm-ease-out:   cubic-bezier(.16,1,.3,1);
  --pmm-brand:      #1f7a4d;
  --pmm-brand-bright:#10b981;
}

/* ════════════════════════════════════════════════════════════
 * 1 · KEYFRAMES base
 * ════════════════════════════════════════════════════════════ */
@keyframes pmm-rise {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes pmm-rise-soft {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes pmm-pulse-once {
  0%   { transform: scale(1); }
  45%  { transform: scale(1.22); }
  100% { transform: scale(1); }
}

@keyframes pmm-shimmer-text {
  0%   { background-position: -180% 0; }
  100% { background-position:  280% 0; }
}

@keyframes pmm-letterspacing-in {
  from { letter-spacing: -.018em; opacity: .92; }
  to   { letter-spacing: -.035em; opacity: 1; }
}

@keyframes pmm-progress-indeterminate {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(220%); }
}

@keyframes pmm-marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ════════════════════════════════════════════════════════════
 * 2 · SCROLL REVEAL (Intersection-Observer driven)
 *    El JS añade `.pmm-in-view` cuando el elemento entra al viewport.
 *    Estado inicial: invisible y ligeramente desplazado.
 *    Estado final:   visible y en posición.
 *    Solo aplicamos a elementos marcados con `.pmm-reveal`
 *    (inyectada por JS) para evitar parpadeos en clientes sin JS.
 * ════════════════════════════════════════════════════════════ */
.pmm-reveal {
  opacity: 0;
  transform: translateY(12px);
  transition:
    opacity .55s var(--pmm-ease-out),
    transform .55s var(--pmm-ease-out);
  will-change: opacity, transform;
}
.pmm-reveal.pmm-in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger sutil para grids: hasta 8 hijos consecutivos.
 * Sumamos un retardo pequeño basado en nth-child sólo cuando
 * el elemento está dentro de un contenedor con .pmm-stagger. */
.pmm-stagger .pmm-reveal:nth-child(1) { transition-delay: 0ms; }
.pmm-stagger .pmm-reveal:nth-child(2) { transition-delay: 60ms; }
.pmm-stagger .pmm-reveal:nth-child(3) { transition-delay: 120ms; }
.pmm-stagger .pmm-reveal:nth-child(4) { transition-delay: 180ms; }
.pmm-stagger .pmm-reveal:nth-child(5) { transition-delay: 220ms; }
.pmm-stagger .pmm-reveal:nth-child(6) { transition-delay: 260ms; }
.pmm-stagger .pmm-reveal:nth-child(7) { transition-delay: 300ms; }
.pmm-stagger .pmm-reveal:nth-child(8) { transition-delay: 340ms; }

/* ════════════════════════════════════════════════════════════
 * 3 · BUTTONS — estado visual rico
 *    Refuerza :hover / :active / :focus-visible sin pelearse
 *    con las reglas existentes en premium-storefront.
 *    Usamos `:where()` para no escalar especificidad: cualquier
 *    regla más específica del CSS base sigue ganando.
 * ════════════════════════════════════════════════════════════ */
:where(.btn, .btn-add, .pm-cta, .btn-primary, .btn-outline, .btn-accent) {
  transition:
    transform .18s var(--pmm-ease),
    box-shadow .22s var(--pmm-ease),
    background .18s var(--pmm-ease),
    filter .18s var(--pmm-ease),
    color .18s var(--pmm-ease);
}
:where(.btn:hover:not(:disabled),
       .btn-add:hover:not(:disabled),
       .pm-cta:hover:not(:disabled),
       .btn-primary:hover:not(:disabled),
       .btn-accent:hover:not(:disabled)) {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(13,61,36,.18);
}
:where(.btn:active:not(:disabled),
       .btn-add:active:not(:disabled),
       .pm-cta:active:not(:disabled),
       .btn-primary:active:not(:disabled),
       .btn-outline:active:not(:disabled),
       .btn-accent:active:not(:disabled)) {
  transform: scale(.97);
  transition-duration: .08s, .08s, .08s, .08s, .08s;
}
:where(.btn:focus-visible,
       .btn-add:focus-visible,
       .pm-cta:focus-visible,
       .btn-primary:focus-visible,
       .btn-outline:focus-visible) {
  outline: 2px solid var(--pmm-brand-bright);
  outline-offset: 3px;
}

/* ════════════════════════════════════════════════════════════
 * 4 · HEADINGS · tipografía viva
 *    h1 del hero: animación sutil de letter-spacing al cargar.
 *    span destacado: shimmer suave (single pass, no loop molesto).
 * ════════════════════════════════════════════════════════════ */
.hero-section .hero-title {
  animation: pmm-letterspacing-in 800ms var(--pmm-ease-out) both;
}

/* Shimmer one-pass sobre el span dorado del hero (mantenemos
 * el gradient base; sumamos un overlay translúcido en movimiento). */
.hero-section .hero-title span {
  background-size: 220% 100%;
  animation:
    pmm-shimmer-text 4.5s var(--pmm-ease) 1.2s 1 both;
}

/* ════════════════════════════════════════════════════════════
 * 5 · STICKY HEADER · sombra dinámica reforzada
 *    El JS ya añade `.pm-scrolled`; reforzamos la transición
 *    para que el cambio se sienta vivo, no abrupto.
 * ════════════════════════════════════════════════════════════ */
.site-header {
  transition:
    background .25s var(--pmm-ease),
    box-shadow .28s var(--pmm-ease),
    backdrop-filter .25s var(--pmm-ease);
}
.site-header.pm-scrolled {
  box-shadow:
    0 4px 12px rgba(15,23,42,.06),
    0 12px 28px rgba(15,23,42,.05);
}

/* ════════════════════════════════════════════════════════════
 * 6 · PRODUCT CARDS · hover ripple
 *    El placeholder/foto hace scale 1.04 en hover.
 *    Reforzamos el borde verde y el lift.
 * ════════════════════════════════════════════════════════════ */
.prod-card {
  transition:
    transform .35s var(--pmm-ease),
    box-shadow .35s var(--pmm-ease),
    border-color .25s var(--pmm-ease);
}
.prod-card:hover {
  transform: translateY(-4px);
  border-color: rgba(31,122,77,.45);
  box-shadow:
    0 14px 32px rgba(13,61,36,.10),
    0 4px 10px rgba(15,23,42,.04);
}
.prod-card .prod-img-placeholder,
.prod-card .prod-img-photo {
  transition: transform .45s var(--pmm-ease-out);
  will-change: transform;
}
.prod-card:hover .prod-img-placeholder,
.prod-card:hover .prod-img-photo {
  transform: scale(1.04);
}

/* ════════════════════════════════════════════════════════════
 * 7 · CART BADGE · pulse al actualizar
 *    El JS añade clase `.bounce` (ya existe) cuando el contador
 *    cambia. Definimos la animación aquí.
 *    Bonus: aceptamos atributo [data-just-changed] como fallback.
 * ════════════════════════════════════════════════════════════ */
#cart-count,
#wishlist-count {
  transform-origin: center;
  transition: background .18s var(--pmm-ease);
}
#cart-count.bounce,
#wishlist-count.bounce,
#cart-count[data-just-changed],
#wishlist-count[data-just-changed] {
  animation: pmm-pulse-once .42s var(--pmm-ease-out);
}

/* ════════════════════════════════════════════════════════════
 * 8 · NAV-LINK · underline animado en hover
 *    `.nav-link.active::after` ya existe con gradient.
 *    Sumamos un underline en hover (mismo gradient, +sutil).
 * ════════════════════════════════════════════════════════════ */
.nav-link {
  position: relative;
}
.nav-link:not(.active)::after {
  content: '';
  position: absolute;
  left: 14px; right: 14px; bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--pmm-brand), var(--pmm-brand-bright));
  opacity: 0;
  transform: scaleX(.4);
  transform-origin: left center;
  transition:
    opacity .22s var(--pmm-ease),
    transform .28s var(--pmm-ease);
  pointer-events: none;
}
.nav-link:not(.active):hover::after,
.nav-link:not(.active):focus-visible::after {
  opacity: .55;
  transform: scaleX(1);
}

/* ════════════════════════════════════════════════════════════
 * 9 · SKELETON · refuerzo con curva pm-ease
 *    Si existen elementos `.pmm-skeleton` o `.skeleton`,
 *    aplicamos shimmer suave. No tocamos selectores externos.
 * ════════════════════════════════════════════════════════════ */
.pmm-skeleton {
  position: relative;
  overflow: hidden;
  background: #eef2f5;
  border-radius: 8px;
}
.pmm-skeleton::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255,255,255,.65) 50%,
    transparent 100%
  );
  transform: translateX(-100%);
  animation: pmm-shimmer-text 1.4s var(--pmm-ease) infinite;
}

/* ════════════════════════════════════════════════════════════
 * 10 · PAGE-PROGRESS BAR (top 0, 3px gradient brand)
 *      El JS la agrega al body al click en link interno y la
 *      remueve al cargar la nueva página. Aquí solo styles.
 * ════════════════════════════════════════════════════════════ */
.pmm-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 100%;
  z-index: 9999;
  background: rgba(31,122,77,.08);
  overflow: hidden;
  pointer-events: none;
}
.pmm-progress::before {
  content: '';
  display: block;
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, var(--pmm-brand), var(--pmm-brand-bright));
  border-radius: 0 3px 3px 0;
  animation: pmm-progress-indeterminate 1.1s var(--pmm-ease) infinite;
}

/* ════════════════════════════════════════════════════════════
 * 11 · NAV-LINK active underline: ya estaba estático; añadimos
 *      un highlight grow-in cuando aparece (load).
 * ════════════════════════════════════════════════════════════ */
.nav-link.active::after {
  animation: pmm-rise-soft .45s var(--pmm-ease-out) both;
}

/* ════════════════════════════════════════════════════════════
 * 12 · MOBILE · reducir intensidad
 *      En pantallas pequeñas el scroll es rápido; los reveals
 *      con delays se sienten lentos. Reducimos duraciones.
 * ════════════════════════════════════════════════════════════ */
@media (max-width: 640px) {
  .pmm-reveal {
    transition-duration: .32s;
    transform: translateY(8px);
  }
  .pmm-stagger .pmm-reveal:nth-child(n) {
    transition-delay: 0ms;
  }
  .prod-card:hover .prod-img-placeholder,
  .prod-card:hover .prod-img-photo {
    transform: none; /* en mobile no hay hover real; evita jitter en taps */
  }
  .hero-section .hero-title {
    animation-duration: 500ms;
  }
}

/* ════════════════════════════════════════════════════════════
 * 13 · REDUCED MOTION · accesibilidad
 *      Apagamos TODAS las animaciones decorativas.
 *      Mantenemos transiciones de color/background mínimas.
 * ════════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  .pmm-reveal,
  .pmm-reveal.pmm-in-view {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .hero-section .hero-title,
  .hero-section .hero-title span,
  .nav-link.active::after,
  #cart-count.bounce,
  #wishlist-count.bounce,
  #cart-count[data-just-changed],
  #wishlist-count[data-just-changed],
  .pmm-skeleton::after,
  .pmm-progress::before {
    animation: none !important;
  }
  :where(.btn, .btn-add, .pm-cta, .btn-primary, .btn-outline, .btn-accent) {
    transition: background .15s linear, color .15s linear;
  }
  .prod-card,
  .prod-card:hover,
  .prod-card:hover .prod-img-placeholder,
  .prod-card:hover .prod-img-photo {
    transform: none !important;
    transition: border-color .15s linear, box-shadow .15s linear !important;
  }
  .nav-link:not(.active)::after {
    transition: none !important;
  }
}