/* ============================================================
   portafolio.css — Espiral Dulce
   Estilos exclusivos de portafolio.html.
   Requiere styles.css cargado primero (variables, base, header, footer).
============================================================ */


/* ── LINK ACTIVO EN NAV ─────────────────────────────────── */
.nav-active {
  color: var(--amber) !important;
}
.nav-active::after {
  width: 100% !important;
}


/* ── PAGE HERO ──────────────────────────────────────────── */
#portafolio-hero {
  background: var(--cream);
  padding: calc(70px + 64px) 0 60px;
  position: relative;
  overflow: hidden;
}

#portafolio-hero::before {
  content: '';
  position: absolute;
  top: -20%; right: -5%;
  width: 50vw; height: 50vw;
  max-width: 500px; max-height: 500px;
  background: radial-gradient(circle, rgba(200, 121, 65, 0.07) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.ph-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
  list-style: none;
}
.ph-breadcrumb a           { color: var(--amber); }
.ph-breadcrumb a:hover     { text-decoration: underline; }

#portafolio-hero h1 {
  font-style: italic;
  color: var(--ink);
  margin-bottom: 0.75rem;
}

#portafolio-hero > .container > p {
  font-size: 1rem;
  color: var(--muted);
  max-width: 520px;
  line-height: 1.7;
}


/* ── FILTROS ────────────────────────────────────────────── */
.filtros {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 2.5rem;
}

.filtro-btn {
  padding: 0.5rem 1.3rem;
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  background: rgba(61, 35, 20, 0.06);
  color: var(--cocoa-light);
  border: 1.5px solid transparent;
  transition: var(--transition);
  cursor: pointer;
}
.filtro-btn:hover {
  background: rgba(200, 121, 65, 0.1);
  color: var(--amber);
  border-color: rgba(200, 121, 65, 0.25);
}
.filtro-btn.active {
  background: var(--amber);
  color: var(--white);
  border-color: var(--amber);
  box-shadow: 0 4px 16px rgba(200, 121, 65, 0.3);
}


/* ── CATÁLOGO ───────────────────────────────────────────── */
#portafolio-catalogo {
  background-color: var(--white);
  background-image: linear-gradient(to bottom, rgba(245, 236, 215, 0) 65%, rgba(139, 69, 19, 0.12) 100%);
}

/* ── GRID DEL CATÁLOGO ──────────────────────────────────── */
.catalogo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem;
}

@media (max-width: 1100px) { .catalogo-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 780px)  { .catalogo-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px)  { .catalogo-grid { grid-template-columns: 1fr; } }


/* ── FLIP CARD — contenedor ─────────────────────────────── */
@keyframes cardReveal {
  from {
    opacity: 0;
    transform: translateY(32px) scale(0.94);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.flip-card {
  height: 440px;
  perspective: 1200px;
  cursor: pointer;
  /* Transición suave para el tilt 3D via JS */
  transition: transform 0.1s ease;
  /* Entrada escalonada */
  animation: cardReveal 0.65s cubic-bezier(0.22, 1, 0.36, 1) backwards;
  animation-delay: min(calc(var(--i, 0) * 50ms), 480ms);
}

.flip-card.hidden {
  display: none;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

/* El hover ya NO hace flip — ahora es un tilt 3D via JS.
   El flip solo ocurre al hacer clic (clase .flipped desde JS). */
.flip-card.flipped .flip-card-inner {
  transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  overflow: hidden;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* Ocultamos la cara que queda de espaldas con `visibility`, además del
   `backface-visibility` de arriba. Motivo: Safari ignora `backface-visibility`
   cuando la cara también tiene `overflow: hidden` dentro de un contexto 3D
   (bug conocido de WebKit), así que la cara frontal se quedaba visible y en
   espejo al voltear. El delay (0.35s = mitad del giro de 0.7s) hace que el
   intercambio ocurra a ~90°, cuando la cara está de canto y el cambio no se nota.
   Chrome sigue usando backface-visibility; esto es un refuerzo, no un reemplazo.
   La transición de `visibility` se declara junto a la de cada cara (más abajo)
   para no chocar con el `transition` propio de .flip-card-front. */
.flip-card-back { visibility: hidden; }
.flip-card.flipped .flip-card-front { visibility: hidden; }
.flip-card.flipped .flip-card-back  { visibility: visible; }


/* ── FRENTE — dark product showcase ─────────────────────── */
.flip-card-front {
  background: linear-gradient(160deg, #2C1A0D 0%, #180C04 100%);
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(200, 121, 65, 0.2);
  box-shadow:
    0 8px 40px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(200, 121, 65, 0.08);
  /* El `visibility 0s ... 0.35s` sincroniza el ocultado con la mitad del giro
     (ver nota en .flip-card-front, .flip-card-back). */
  transition: box-shadow 0.4s ease, border-color 0.4s ease, visibility 0s linear 0.35s;
}

.flip-card:hover .flip-card-front {
  box-shadow:
    0 24px 70px rgba(0, 0, 0, 0.65),
    0 0 0 1px rgba(200, 121, 65, 0.35),
    inset 0 1px 0 rgba(200, 121, 65, 0.15);
  border-color: rgba(200, 121, 65, 0.35);
}

/* Halo dorado detrás del producto */
.flip-card-front::before {
  content: '';
  position: absolute;
  top: 38%; left: 50%;
  transform: translate(-50%, -50%);
  width: 210px; height: 210px;
  background: radial-gradient(circle, rgba(200, 121, 65, 0.22) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
  transition: transform 0.55s ease;
  z-index: 0;
}

.flip-card:hover .flip-card-front::before {
  transform: translate(-50%, -54%) scale(1.45);
}

/* Área de imagen del producto */
.flip-card-front .card-img {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem 0.5rem;
  position: relative;
  z-index: 1;
}

.flip-card-front .card-img img {
  width: 100%;
  max-height: 260px;
  object-fit: contain;
  /* El fondo transparente permite sombras dramáticas sin caja blanca */
  filter:
    drop-shadow(0 18px 36px rgba(0, 0, 0, 0.7))
    drop-shadow(0 4px 10px rgba(0, 0, 0, 0.45));
  transition:
    transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1),
    filter     0.5s ease;
  will-change: transform;
}

.flip-card:hover .flip-card-front .card-img img {
  transform: translateY(-18px) scale(1.07);
  filter:
    drop-shadow(0 32px 54px rgba(0, 0, 0, 0.8))
    drop-shadow(0 8px 18px rgba(0, 0, 0, 0.55))
    drop-shadow(0 0 45px rgba(200, 121, 65, 0.22));
}

/* Barra de info — overlay oscuro con gradiente desde el fondo */
.flip-card-front .card-info {
  padding: 3rem 1.25rem 1.25rem;
  background: linear-gradient(to top, rgba(18, 9, 3, 0.98) 60%, transparent 100%);
  position: relative;
  z-index: 2;
  margin-top: -72px;
}

.card-categoria {
  display: inline-block;
  font-size: 0.63rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(232, 184, 122, 0.9);
  background: rgba(200, 121, 65, 0.12);
  border: 1px solid rgba(200, 121, 65, 0.22);
  border-radius: 50px;
  padding: 0.18rem 0.65rem;
  margin-bottom: 0.4rem;
}

.card-nombre {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  font-style: italic;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 0.45rem;
}

.card-hint {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.68rem;
  color: rgba(255, 255, 255, 0.32);
}

/* Mensajes contextuales según tipo de dispositivo */
.card-hint-touch { display: inline; }
.card-hint-hover { display: none; }

@media (hover: hover) and (pointer: fine) {
  .card-hint-touch { display: none; }
  .card-hint-hover { display: inline; }
}


/* ── REVERSO ─────────────────────────────────────────────── */
.flip-card-back {
  transform: rotateY(180deg);
  background: linear-gradient(160deg, #3D2314 0%, #2A1709 100%);
  color: var(--white);
  display: flex;
  flex-direction: column;
  padding: 1.75rem;
  border: 1px solid rgba(200, 121, 65, 0.18);
  box-shadow: var(--shadow-md);
  position: relative;
  /* Aparece a la mitad del giro (ver nota en .flip-card-front, .flip-card-back). */
  transition: visibility 0s linear 0.35s;
}

/* Decoración */
.flip-card-back::before {
  content: '';
  position: absolute;
  top: -24px; right: -24px;
  width: 140px; height: 140px;
  background: radial-gradient(circle, rgba(200, 121, 65, 0.18) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.back-label {
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 0.3rem;
  position: relative;
}

.back-nombre {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 0.25rem;
}

.back-desc {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.5);
  font-style: italic;
  margin-bottom: 1rem;
}

.ingredientes-title {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 0.55rem;
}

.ingredientes-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.32rem;
  flex: 1;
  overflow: hidden;
}

.ingredientes-list li {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
  font-size: 0.83rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.35;
}

.ingredientes-list li::before {
  content: '✦';
  color: var(--amber);
  font-size: 0.45rem;
  flex-shrink: 0;
  position: relative;
  top: -1px;
}

.back-cta {
  margin-top: 1.2rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  align-self: flex-start;
  background: var(--amber);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.77rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.55rem 1.15rem;
  border-radius: 50px;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  text-decoration: none;
  position: relative;
  z-index: 1;
}

.back-cta:hover {
  background: var(--cocoa);
  box-shadow: 0 4px 16px rgba(200, 121, 65, 0.45);
  transform: translateY(-1px);
}


/* ── CTA FINAL ──────────────────────────────────────────── */
#portafolio-cta {
  background: linear-gradient(135deg, var(--cocoa) 0%, var(--amber) 50%, #D4956B 100%);
  color: var(--white);
  text-align: center;
  padding: 90px 0;
  position: relative;
  overflow: hidden;
}

#portafolio-cta::before {
  content: '';
  position: absolute;
  top: -50%; left: -20%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
  border-radius: 50%;
  pointer-events: none;
}

.pcta-content { position: relative; z-index: 1; }
.pcta-content .section-label { color: rgba(255, 255, 255, 0.7); }
.pcta-content h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--white);
  margin-bottom: 1rem;
}
.pcta-content p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1rem;
  max-width: 500px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}
.pcta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-top: 0.5rem;
}

.btn-white-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.5);
}
.btn-white-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--white);
}


/* ── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 480px) {
  .flip-card        { height: 400px; }
  .flip-card-back   { padding: 1.35rem; }
  .back-nombre      { font-size: 1.05rem; }
  .ingredientes-list li { font-size: 0.8rem; }
  .back-cta         { font-size: 0.74rem; padding: 0.5rem 1rem; }
}

.product-photo-pending {
  display: grid;
  place-content: center;
  gap: .75rem;
  width: 100%;
  height: 100%;
  text-align: center;
  padding: 1rem;
  color: var(--color-primary, #713b4c);
  background: #f7e9ee;
  font-size: 1.25rem;
}
.product-photo-pending > span:first-child { font-size: 3rem; }
.portfolio-more h3 { margin-bottom: .75rem; }
.portfolio-more p { margin-bottom: 1.5rem; }
.portfolio-more .btn { margin: .5rem; }