/* ============================================================
   Cosmética Natural Lola — Animations
   ============================================================
   Keyframes + utilidades CSS para microinteracciones y reveal
   on scroll. Inspirado en patrones uiverse.io / 21st.dev.
   Consume tokens.css.
   ============================================================ */

/* ----------------------------------------------------------
   1) KEYFRAMES
   ---------------------------------------------------------- */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes fade-right {
  from { opacity: 0; transform: translateX(-24px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes fade-left {
  from { opacity: 0; transform: translateX(24px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes scale-in {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes blob-float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33%      { transform: translate(20px, -30px) rotate(8deg); }
  66%      { transform: translate(-15px, 20px) rotate(-6deg); }
}
@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}
@keyframes pulse-soft {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(1.04); opacity: 0.85; }
}
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes ripple-out {
  0%   { transform: scale(0); opacity: 0.5; }
  100% { transform: scale(4); opacity: 0; }
}
@keyframes marquee-x {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@keyframes draw {
  to { stroke-dashoffset: 0; }
}
@keyframes wiggle {
  0%, 100% { transform: rotate(0deg); }
  25%      { transform: rotate(-4deg); }
  75%      { transform: rotate(4deg); }
}
@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(107, 85, 130, 0); }
  50%      { box-shadow: 0 0 0 12px rgba(107, 85, 130, 0.18); }
}

/* ----------------------------------------------------------
   2) REVEAL ON SCROLL (con IntersectionObserver en site.js)
   ---------------------------------------------------------- */
/* Progressive enhancement: solo aplica el "estado inicial oculto" si el
   JS ha podido marcar el html con data-reveal-ready. Si JS falla, todo se
   ve igual que antes — nunca dejamos contenido invisible. */
html[data-reveal-ready] [data-reveal] {
  opacity: 0;
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
  will-change: opacity, transform;
}
html[data-reveal-ready] [data-reveal="up"]    { transform: translateY(28px); }
html[data-reveal-ready] [data-reveal="right"] { transform: translateX(-28px); }
html[data-reveal-ready] [data-reveal="left"]  { transform: translateX(28px); }
html[data-reveal-ready] [data-reveal="scale"] { transform: scale(0.94); }

html[data-reveal-ready] [data-reveal][data-in] {
  opacity: 1;
  transform: none;
}

/* Stagger children — el JS añade data-delay en cascada */
[data-stagger] > * { transition-delay: calc(var(--reveal-i, 0) * 80ms); }

/* Respeta prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

/* ----------------------------------------------------------
   3) UTILITARIAS DE MOVIMIENTO
   ---------------------------------------------------------- */
.anim-float { animation: float-y 5s ease-in-out infinite; }
.anim-blob  { animation: blob-float 14s ease-in-out infinite; will-change: transform; }
.anim-pulse { animation: pulse-soft 2.5s ease-in-out infinite; }
.anim-wiggle:hover { animation: wiggle 400ms var(--ease-out); }

/* Stagger helper — usa --reveal-i en línea para retardar entrada */
.anim-stagger > *:nth-child(1) { --reveal-i: 0; }
.anim-stagger > *:nth-child(2) { --reveal-i: 1; }
.anim-stagger > *:nth-child(3) { --reveal-i: 2; }
.anim-stagger > *:nth-child(4) { --reveal-i: 3; }
.anim-stagger > *:nth-child(5) { --reveal-i: 4; }
.anim-stagger > *:nth-child(6) { --reveal-i: 5; }
.anim-stagger > *:nth-child(7) { --reveal-i: 6; }
.anim-stagger > *:nth-child(8) { --reveal-i: 7; }

/* ----------------------------------------------------------
   4) MICRO-INTERACCIONES DE BOTÓN
   ---------------------------------------------------------- */
/* Ripple para .btn (lo añade JS al click) */
.btn { position: relative; overflow: hidden; }
.btn .ripple {
  position: absolute;
  border-radius: var(--radius-circle);
  background: currentColor;
  opacity: 0.18;
  transform: scale(0);
  pointer-events: none;
  animation: ripple-out 600ms ease-out;
}

/* Botón con efecto "shine" al hacer hover */
.btn-primary, .btn-accent {
  background-image:
    linear-gradient(
      120deg,
      transparent 30%,
      rgba(255,255,255,0.25) 50%,
      transparent 70%
    ),
    var(--btn-base, none);
  background-size: 200% 100%, auto;
  background-position: -100% 0, center;
  transition:
    background-position 600ms var(--ease-out),
    background-color var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}
.btn-primary:hover, .btn-accent:hover {
  background-position: 100% 0, center;
}

/* Botón con halo al focus */
.btn:focus-visible { animation: glow-pulse 1.4s ease-out 1; }

/* Magnetic button — el JS desplaza ligeramente el botón hacia el cursor */
.btn-magnetic { transition: transform 250ms var(--ease-out); will-change: transform; }

/* ----------------------------------------------------------
   5) CARDS — hover effects
   ---------------------------------------------------------- */
/* Lift suave por defecto */
.product-card, .routine-card, .ing-tile, .post-card, .cat-card, .ingredient-tile, .subcat-tile {
  will-change: transform;
}

/* Shimmer overlay en hover (para .card--shimmer y product-card) */
.product-card::before,
.routine-card::before,
.ing-tile::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    transparent 30%,
    rgba(255, 255, 255, 0.35) 50%,
    transparent 70%
  );
  background-size: 200% 200%;
  background-position: -100% 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  transition: opacity 300ms var(--ease-out), background-position 800ms var(--ease-out);
  border-radius: inherit;
}
.product-card:hover::before,
.routine-card:hover::before,
.ing-tile:hover::before {
  opacity: 1;
  background-position: 100% 0;
}

/* Image zoom dentro de cards al hover (refina lo que ya hay en components.css) */
.product-card .product-card__media {
  overflow: hidden;
  position: relative;
}
.product-card .product-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at center,
    transparent 60%,
    rgba(31, 26, 38, 0.06) 100%
  );
  opacity: 0;
  transition: opacity 400ms var(--ease-out);
}
.product-card:hover .product-card__media::after { opacity: 1; }

/* Tilt suave 3D para cards destacadas (.card--tilt) */
.card--tilt { transition: transform 400ms var(--ease-out); transform-style: preserve-3d; }
.card--tilt:hover { transform: perspective(800px) rotateY(2deg) rotateX(-2deg) translateY(-4px); }

/* ----------------------------------------------------------
   6) LINKS y NAV — efectos finos
   ---------------------------------------------------------- */
/* Underline animation en links inline */
a.link-grow {
  background-image: linear-gradient(currentColor, currentColor);
  background-position: 0 100%;
  background-repeat: no-repeat;
  background-size: 0 1.5px;
  transition: background-size 300ms var(--ease-out);
}
a.link-grow:hover { background-size: 100% 1.5px; }

/* Active indicator del nav (subrayado animado) — usa position:absolute para
   no romper el inline-flex del enlace */
.nav > a[aria-current="page"],
.nav__item > a[aria-current="page"] { position: relative; }
.nav > a[aria-current="page"]::after,
.nav__item > a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  bottom: -6px;
  height: 2px;
  background: var(--color-brand);
  border-radius: 1px;
  animation: fade-right 300ms var(--ease-out) both;
}

/* ----------------------------------------------------------
   7) FORMULARIOS — focus chulo
   ---------------------------------------------------------- */
.input:focus,
.select:focus,
.textarea:focus {
  animation: glow-pulse 1.2s ease-out 1;
}

/* Floating label (form pattern) — usa .field--float */
.field--float { position: relative; }
.field--float input, .field--float textarea {
  padding-top: 22px;
  padding-bottom: 8px;
}
.field--float .field__label {
  position: absolute;
  top: 14px; left: var(--space-4);
  margin: 0;
  pointer-events: none;
  color: var(--color-text-muted);
  font-size: var(--text-base);
  font-weight: var(--weight-regular);
  transition: all 200ms var(--ease-out);
}
.field--float input:focus + .field__label,
.field--float input:not(:placeholder-shown) + .field__label,
.field--float textarea:focus + .field__label,
.field--float textarea:not(:placeholder-shown) + .field__label {
  top: 4px;
  font-size: var(--text-xs);
  color: var(--color-brand);
  font-weight: var(--weight-semibold);
}

/* ----------------------------------------------------------
   8) BLOBS y DECORATIVOS
   ---------------------------------------------------------- */
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.6;
  pointer-events: none;
  z-index: 0;
}
.blob--lavender { background: var(--color-lavender-200); }
.blob--peach    { background: var(--color-peach-100); }
.blob--cream    { background: var(--color-cream-100); }

/* ----------------------------------------------------------
   9) MARQUEE (logos, brands en bucle)
   ---------------------------------------------------------- */
.marquee {
  display: flex;
  overflow: hidden;
  position: relative;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 8%, #000 92%, transparent 100%);
          mask-image: linear-gradient(90deg, transparent 0, #000 8%, #000 92%, transparent 100%);
}
.marquee__track {
  display: flex;
  gap: var(--space-7);
  animation: marquee-x 30s linear infinite;
  flex-shrink: 0;
  padding-right: var(--space-7);
}
.marquee:hover .marquee__track { animation-play-state: paused; }

/* ----------------------------------------------------------
   10) COUNTERS (números animados) y BARS
   ---------------------------------------------------------- */
.counter[data-target] { font-variant-numeric: tabular-nums; }

.bar-fill {
  width: 0;
  transition: width 1500ms var(--ease-out);
}
[data-in] .bar-fill { width: var(--target-width, 100%); }

/* ----------------------------------------------------------
   11) SCROLLBAR (sutil, marca-coherente)
   ---------------------------------------------------------- */
@media (hover: hover) {
  ::-webkit-scrollbar { width: 12px; height: 12px; }
  ::-webkit-scrollbar-track { background: var(--color-bg-alt); }
  ::-webkit-scrollbar-thumb {
    background: var(--color-lavender-200);
    border-radius: var(--radius-pill);
    border: 3px solid var(--color-bg-alt);
  }
  ::-webkit-scrollbar-thumb:hover { background: var(--color-lavender-400); }
}

/* ----------------------------------------------------------
   12) SMOOTH SCROLL + scroll-padding para anchors
   ---------------------------------------------------------- */
html { scroll-behavior: smooth; scroll-padding-top: 96px; }

/* ----------------------------------------------------------
   13) HOVER LIFT para tarjetas con clase .lift
   ---------------------------------------------------------- */
.lift {
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}
.lift:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }