/* ==========================================================
   Cartas de Cacao — Hoja de estilos
   Paleta: crema/marfil de fondo, rojo profundo (reverso de
   cartas), dorado para ornamentos, azul tinta para textos.
   ========================================================== */

:root {
  --color-fondo: #f6f3ec;
  --color-tinta: #2e3450;
  --color-tinta-suave: #6b6f85;
  --color-dorado: #b99a5f;
  --color-dorado-claro: #d8c49a;
  --color-rojo: #b02e25;
  --color-rojo-oscuro: #8c1f18;
  --color-blanco: #fffdf8;

  --carta-ancho: clamp(90px, 12vw, 150px);
  --carta-ratio: 1.4;   /* alto = ancho * ratio */

  --fuente-serif: "Cormorant Garamond", Georgia, serif;
  --fuente-mano: "Caveat", cursive;

  --sombra-carta: 0 6px 18px rgba(46, 40, 30, 0.25);
  --transicion-suave: 0.35s cubic-bezier(0.22, 0.8, 0.35, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  background: var(--color-fondo);
  color: var(--color-tinta);
  font-family: var(--fuente-serif);
  font-size: 18px;
  line-height: 1.55;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  /* Centrado vertical del contenido inicial: cuando el contenido
     es más bajo que la ventana, los márgenes automáticos del
     primer y último bloque lo centran; si crece, fluye normal. */
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
}

.hero { margin-top: auto; }

/* ============ ENCABEZADO ============ */

.hero {
  position: relative;
  text-align: center;
  padding: clamp(1.8rem, 4vw, 3rem) 1.5rem 0;
}

.hero__title {
  font-weight: 400;
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  letter-spacing: 0.06em;
}

.hero__subtitle {
  font-size: clamp(1.5rem, 4vw, 2.6rem);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 600;
  line-height: 1.15;
  max-width: 35ch;
  margin: 0.15rem auto 0;
}

/* ============ INSTRUCCIONES ============ */

.steps {
  text-align: center;
  padding: 1.8rem 1.5rem 0;
  max-width: 1100px;
  margin: 0 auto;
}

.steps__title {
  font-weight: 500;
  font-size: 1.5rem;
  margin-bottom: 2rem;
}

.steps__list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

@media (max-width: 700px) {
  .steps__list { grid-template-columns: 1fr; max-width: 40ch; margin: 0 auto; }
}

.step__number {
  display: inline-block;
  font-size: 2.4rem;
  /* Cifras "lining": por defecto Cormorant usa elzevirianas, donde
     el 3 baja del renglón y el 1 queda más bajo que el 2. */
  font-variant-numeric: lining-nums;
  font-feature-settings: "lnum" 1;
  color: var(--color-dorado);
  border-bottom: 1px solid var(--color-dorado);
  padding: 0 1rem 0.2rem;
  margin-bottom: 0.8rem;
}

.step p {
  color: #1c1d1f;
  font-size: 1.2rem;
  line-height: 1.2;
  max-width: 34ch;
  margin: 0 auto;
}

/* ============ ZONA DE JUEGO ============ */

.game {
  position: relative;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto auto; /* bottom auto: empuja para centrar verticalmente */
  padding: 3rem 1rem 4rem;
  min-height: 480px;
}

.watercolor {
  position: absolute;
  top: 8%;
  left: 50%;
  transform: translateX(-50%);
  width: min(85vw, 900px);
  aspect-ratio: 1.5;
  border-radius: 50%;
  background:
    radial-gradient(ellipse at 40% 40%, rgba(214, 178, 128, 0.28), transparent 65%),
    radial-gradient(ellipse at 65% 60%, rgba(199, 152, 108, 0.18), transparent 60%),
    radial-gradient(ellipse at 50% 50%, rgba(226, 196, 158, 0.22), transparent 70%);
  filter: blur(6px);
  pointer-events: none;
}

.stage { position: relative; }

/* ---------- Notas manuscritas ---------- */

.handnote {
  font-family: var(--fuente-mano);
  font-size: clamp(1.25rem, 2.6vw, 1.7rem);
  color: var(--color-tinta);
  line-height: 1.15;
  text-align: center;
  transform: rotate(-4deg);
}

.handnote__arrow {
  width: 44px;
  display: block;
  margin: 0.4rem auto 0;
}

.handnote--deck {
  position: absolute;
  top: 30%;
  left: calc(50% + var(--carta-ancho) + 3rem);
}

/* Anclada al costado izquierdo del espacio central (no al borde
   de la mesa) para que la flecha apunte siempre a la carta. */
.handnote--slots {
  position: absolute;
  right: calc(50% + var(--carta-ancho) * 0.625 + 2rem);
  top: 35%;
  width: 17rem;
}

@media (max-width: 900px) {
  /* La nota pasa a estar debajo del mazo: la flecha sube a la
     parte superior y apunta hacia él. */
  .handnote--deck {
    position: static;
    margin-top: 1.5rem;
    transform: rotate(-2deg);
    display: flex;
    flex-direction: column-reverse;
    align-items: center;
  }
  .handnote--deck .handnote__arrow {
    transform: rotate(90deg) scaleX(0.7);
    margin: 0 0 0.4rem;
  }
  .handnote--slots {
    position: static;
    width: auto;
    margin-bottom: 1.2rem;
  }
  .handnote--slots .handnote__arrow { transform: rotate(90deg) scaleX(0.7); }
}

/* ---------- Imagen de carta (anverso y reverso) ---------- */

.card-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 10px;
  box-shadow: var(--sombra-carta);
  background: var(--color-blanco);
}

/* ---------- Etapa 1: mazo ---------- */

.stage--deck {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2.4rem 0 5rem;
}

.deck {
  position: relative;
  width: var(--carta-ancho);
  height: calc(var(--carta-ancho) * var(--carta-ratio));
  background: none;
  border: none;
  cursor: pointer;
  transition: transform var(--transicion-suave);
}

.deck__card {
  position: absolute;
  inset: 0;
  display: block;
  transition: transform var(--transicion-suave);
}

.deck__card--1 { transform: rotate(-3deg); }
.deck__card--2 { transform: rotate(3deg) translateX(8%); }
.deck__card--3 { transform: rotate(8deg) translateX(16%); }

.deck__card {
  background: url("cartas/portada.jpg") center / cover no-repeat, var(--color-blanco);
  border-radius: 10px;
  box-shadow: var(--sombra-carta);
  overflow: hidden;
}

.deck:hover, .deck:focus-visible {
  transform: translateY(-8px) scale(1.03);
}

.deck:hover .deck__card--2 { transform: rotate(5deg) translateX(12%); }
.deck:hover .deck__card--3 { transform: rotate(12deg) translateX(24%); }

.deck:active { transform: translateY(-2px) scale(0.99); }

/* Animación de barajado */
@keyframes barajar {
  0%   { transform: translate(0, 0) rotate(-3deg); }
  25%  { transform: translate(-40%, -12%) rotate(-14deg); }
  50%  { transform: translate(30%, 6%) rotate(9deg); }
  75%  { transform: translate(-15%, -4%) rotate(-6deg); }
  100% { transform: translate(0, 0) rotate(-3deg); }
}

.deck.is-shuffling .deck__card--1 { animation: barajar 0.55s ease-in-out 2; }
.deck.is-shuffling .deck__card--2 { animation: barajar 0.55s ease-in-out 2 reverse; }
.deck.is-shuffling .deck__card--3 { animation: barajar 0.55s ease-in-out 2 0.08s; }

/* ---------- Etapa 2: abanico ---------- */

.stage--fan {
  padding: 0;
}

.fan {
  position: relative;
  /* El sobrante sobre las cartas solo tiene que dar cabida al giro
     del abanico y al levantamiento de 26px del hover. */
  height: calc(var(--carta-ancho) * var(--carta-ratio) + 55px);
  margin: 0 auto;
  max-width: 1050px;
}

.fan-card,
.fan-card * {
  user-select: none;
  -webkit-user-select: none;
  -webkit-user-drag: none;
}

.fan-card {
  position: absolute;
  left: 50%;
  bottom: 0;
  width: var(--carta-ancho);
  height: calc(var(--carta-ancho) * var(--carta-ratio));
  background: none;
  border: none;
  padding: 0;
  cursor: grab;
  /* --tx / --rot los define JS por carta */
  transform: translateX(-50%) translateX(var(--tx)) translateY(var(--ty)) rotate(var(--rot));
  transition: transform var(--transicion-suave), opacity 0.3s ease;
  will-change: transform;
}

.fan-card:hover, .fan-card:focus-visible {
  transform: translateX(-50%) translateX(var(--tx)) translateY(calc(var(--ty) - 26px)) rotate(var(--rot)) scale(1.04);
  z-index: 60 !important;
}

.fan-card:focus-visible { outline: 3px solid var(--color-dorado); outline-offset: 4px; border-radius: 12px; }

.fan-card__inner {
  width: 100%;
  height: 100%;
  display: block;
}

.fan-card.is-entering {
  opacity: 0;
  transform: translateX(-50%) translateY(60px) rotate(0deg);
}

.fan-card.is-taken {
  opacity: 0;
  pointer-events: none;
}

.fan-card.is-dragging {
  opacity: 0.25;
  cursor: grabbing;
}

/* Carta fantasma que sigue al puntero */
.drag-ghost {
  position: fixed;
  z-index: 999;
  width: var(--carta-ancho);
  height: calc(var(--carta-ancho) * var(--carta-ratio));
  pointer-events: none;
  transform: translate(-50%, -50%) rotate(4deg) scale(1.05);
  filter: drop-shadow(0 14px 24px rgba(0, 0, 0, 0.3));
}

/* Carta voladora (animación clic → espacio) */
.fly-card {
  position: fixed;
  z-index: 998;
  pointer-events: none;
  transition: all 0.6s cubic-bezier(0.5, 0.05, 0.3, 1);
}

/* ---------- Espacios (slots) ---------- */

.table {
  position: relative;
  margin-top: 4.5rem;
  /* Entra suavemente cuando el abanico termina de desplegarse */
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.table.is-visible {
  opacity: 1;
  transform: none;
}

.slots {
  display: flex;
  justify-content: center;
  gap: clamp(1.2rem, 4vw, 3.5rem);
}

.slot {
  width: calc(var(--carta-ancho) * 1.25);
  height: calc(var(--carta-ancho) * 1.25 * var(--carta-ratio));
  border: 2px dashed var(--color-dorado-claro);
  border-radius: 12px;
  background: var(--color-blanco);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
  perspective: 900px;
}

.slot.is-highlight {
  border-color: var(--color-dorado);
  box-shadow: 0 0 0 4px rgba(185, 154, 95, 0.18);
  background: #fffaf0;
}

.slot.is-filled {
  border-style: solid;
  border-color: transparent;
  background: transparent;
  cursor: pointer;
}

/* Volteo 3D dentro del slot */
.flip {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.8s cubic-bezier(0.4, 0.1, 0.2, 1);
  transform: rotateY(180deg); /* inicia mostrando el reverso */
}

.flip.is-revealed { transform: rotateY(0deg); }

.flip__front, .flip__back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 10px;
}

.flip__back { transform: rotateY(180deg); }

.slot.is-filled:hover .flip.is-revealed,
.slot.is-filled:focus-visible .flip.is-revealed {
  transform: rotateY(0deg) translateY(-6px);
}

.slot.is-active .flip {
  box-shadow: 0 0 0 3px var(--color-dorado);
  border-radius: 10px;
}

/* La carta cuya lectura se muestra queda ligeramente elevada */
.slot.is-active .flip.is-revealed {
  transform: rotateY(0deg) translateY(-8px);
}

/* ---------- Lectura ---------- */

.reading {
  margin: 3rem auto 0;
  max-width: 860px;
  padding: 0 1rem;
}

.reading__inner {
  display: grid;
  grid-template-columns: minmax(150px, 220px) 1fr;
  gap: 2rem;
  align-items: start;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

/* Estado intermedio del cambio de carta (fade out / fade in) */
.reading__inner.is-fading {
  opacity: 0;
  transform: translateY(14px);
}

@media (max-width: 640px) {
  .reading__inner { grid-template-columns: 1fr; justify-items: center; }
  .reading__text { text-align: left; }
}

.reading__card {
  width: 100%;
  max-width: 220px;
  aspect-ratio: calc(1 / var(--carta-ratio));
}

.reading__title {
  font-size: 1.9rem;
  font-weight: 600;
  margin-bottom: 0.5em;
}

.reading__text p { margin-bottom: 0.9em; color: #454a63; }

.reading__text strong { color: var(--color-tinta); }

.reading__affirmation {
  border-left: 3px solid var(--color-dorado);
  padding: 0.5em 0 0.5em 1em;
  font-size: 1.1em;
}

/* ---------- Controles ---------- */

.controls {
  text-align: center;
  margin-top: 3rem;
}

.controls__message {
  font-family: var(--fuente-mano);
  font-size: 1.5rem;
  line-height: 1.35;
  margin-bottom: 1rem;
  color: var(--color-tinta);
  white-space: pre-line; /* respeta el \n del mensaje */
}

.btn-reset {
  font-family: var(--fuente-serif);
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-blanco);
  background: var(--color-rojo);
  border: none;
  border-radius: 999px;
  padding: 0.9em 2.4em;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(176, 46, 37, 0.35);
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.btn-reset:hover, .btn-reset:focus-visible {
  background: var(--color-rojo-oscuro);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(176, 46, 37, 0.45);
}

/* ---------- Productos relacionados ---------- */

.productos {
  max-width: 1100px;
  margin: 4rem auto 0;
  padding: 0 1rem;
  text-align: center;
}

.productos__titulo {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 500;
  margin-bottom: 2rem;
}

.productos__lista {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}

/* Toda la tarjeta es el enlace; en columna para que el CTA
   quede alineado abajo aunque los textos midan distinto. */
.producto {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-align: left;
  text-decoration: none;
  color: inherit;
  background: var(--color-blanco);
  border: 1px solid var(--color-dorado-claro);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(46, 40, 30, 0.08);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.producto:hover,
.producto:focus-visible {
  transform: translateY(-4px);
  border-color: var(--color-dorado);
  box-shadow: 0 12px 28px rgba(46, 40, 30, 0.16);
}

.producto__imagen {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.producto__cuerpo {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.3rem 1.4rem 1.5rem;
}

.producto__nombre {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

.producto__texto {
  font-size: 1rem;
  line-height: 1.45;
  color: #454a63;
  margin-bottom: 1.2rem;
}

/* margin-top:auto empuja el CTA al pie de la tarjeta */
.producto__cta {
  margin-top: auto;
  align-self: flex-start;
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-rojo);
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

@media (max-width: 900px) {
  .productos__lista { grid-template-columns: 1fr; max-width: 26rem; margin: 0 auto; }
}

/* ==========================================================
   PÁGINA DE REGISTRO (index.html)
   ========================================================== */

/* Visible solo para lectores de pantalla */
.solo-lectores {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.registro {
  width: 100%;
  max-width: 1180px;
  margin: auto;
  padding: clamp(2rem, 5vw, 4rem) 1.5rem;
}

.registro__titulo {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 500;
  text-align: center;
  line-height: 1.15;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.registro__cuerpo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.registro__figura {
  margin: 0;
}

.registro__imagen {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 14px;
  box-shadow: 0 14px 40px rgba(46, 40, 30, 0.22);
}

.registro__contenido p {
  font-size: 1.15rem;
  color: #454a63;
  margin-bottom: 1.4em;
  max-width: 52ch;
}

/* ---------- Formulario ---------- */

.registro__form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 2rem 0 1rem;
}

.registro__campo {
  flex: 1 1 12rem;
  font-family: var(--fuente-serif);
  font-size: 1.05rem;
  color: var(--color-tinta);
  background: var(--color-blanco);
  border: 1px solid var(--color-dorado-claro);
  border-radius: 999px;
  padding: 0.9em 1.6em;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.registro__campo::placeholder { color: var(--color-tinta-suave); }

.registro__campo:focus {
  outline: none;
  border-color: var(--color-dorado);
  box-shadow: 0 0 0 4px rgba(185, 154, 95, 0.18);
}

.registro__boton { flex: 0 0 auto; }

.registro__boton:disabled {
  opacity: 0.65;
  cursor: default;
  transform: none;
}

.registro__mensaje {
  font-size: 1rem;
  margin-bottom: 1rem;
}

.registro__mensaje--error { color: var(--color-rojo); }

.registro__aviso {
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--color-tinta-suave);
  max-width: 52ch;
}

@media (max-width: 900px) {
  .registro__cuerpo { grid-template-columns: 1fr; }
  .registro__figura { max-width: 26rem; margin: 0 auto; }
  .registro__contenido p,
  .registro__aviso { max-width: none; }
  .registro__campo { flex-basis: 100%; }
  .registro__boton { width: 100%; }
}

/* ---------- Accesibilidad: menos movimiento ---------- */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}