/* ==========================================================================
   LET KERALA — Product Details & Interactive Spice Grade Flip Cards
   Optimized for seamless touch interactions & crisp mobile rendering
   ========================================================================== */

.flip-card {
  min-height: 540px;
  perspective: 1600px;
  cursor: pointer;
  outline: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.flip-card:focus-visible {
  outline: 3px solid #d8a83e;
  outline-offset: 5px;
}

.flip-inner {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 540px;
  transform-style: preserve-3d;
  transition: transform 0.75s cubic-bezier(0.2, 0.72, 0.2, 1);
}

.flip-card.is-flipped .flip-inner {
  transform: rotateY(180deg);
}

.flip-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  background: #ffffff;
  border: 1px solid rgba(15, 45, 31, 0.12);
  border-radius: 4px;
  box-shadow: 0 12px 30px rgba(15, 45, 31, 0.08);
  transform: translate3d(0, 0, 0);
}

.flip-front {
  display: flex;
  flex-direction: column;
}

.flip-image {
  height: 300px;
  position: relative;
  overflow: hidden;
}

.flip-image::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 80px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.25));
}

.flip-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.flip-card:hover .flip-image img {
  transform: scale(1.04);
}

.flip-tag {
  position: absolute;
  top: 17px;
  left: 17px;
  z-index: 1;
  background: rgba(15, 45, 31, 0.92);
  color: #ffffff;
  padding: 7px 10px;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 2px;
}

.flip-copy {
  padding: 24px 26px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.flip-copy h3 {
  margin: 7px 0 9px;
  color: #0f2d1f;
  font-size: 2rem;
  letter-spacing: -0.035em;
}

.flip-copy p {
  margin: 0;
  color: #596258;
  font-size: 0.9rem;
  line-height: 1.62;
}

.flip-hint {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  padding-top: 18px;
  color: #875e07;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s ease, transform 0.2s ease;
}

.flip-card:hover .flip-hint {
  color: #b87c08;
  transform: translateX(3px);
}

.flip-back {
  transform: rotateY(180deg);
  overflow-y: auto;
  overflow-x: hidden;
  padding: 28px;
  background: #173826;
  color: #f7f1e6;
  scrollbar-width: thin;
  display: flex;
  flex-direction: column;
}

.flip-back .eyebrow {
  color: #e9bd59;
}

.flip-back h3 {
  font-size: 1.95rem;
  letter-spacing: -0.04em;
  margin: 7px 0 10px;
  color: #ffffff;
}

.flip-back > p {
  margin: 0 0 16px;
  color: #d0dbcf;
  font-size: 0.84rem;
  line-height: 1.62;
}

.grade-list {
  display: grid;
  gap: 11px;
}

.grade {
  border-top: 1px solid rgba(232, 194, 92, 0.35);
  padding-top: 10px;
}

.grade:first-child {
  border-top: 0;
  padding-top: 0;
}

.grade strong {
  color: #f0c766;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

.grade p {
  margin: 4px 0 0;
  color: #d3ded0;
  font-size: 0.78rem;
  line-height: 1.5;
}

.grade ul {
  margin: 6px 0 0;
  padding-left: 16px;
  color: #d3ded0;
  font-size: 0.76rem;
  line-height: 1.48;
}

.grade li + li {
  margin-top: 2px;
}

.flip-back .back-hint {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  padding-top: 18px;
  color: #f0c766;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.cardamom-back h3 {
  font-size: 1.8rem;
}

.cardamom-back > p {
  font-size: 0.78rem;
  margin-bottom: 12px;
}

.cardamom-back .grade {
  padding-top: 8px;
}

.cardamom-back .grade p {
  font-size: 0.74rem;
}

/* --------------------------------------------------------------------------
   Mobile Viewport Refinements (<= 768px)
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .flip-card {
    min-height: 480px;
  }
  .flip-inner {
    min-height: 480px;
  }
  .flip-image {
    height: 230px;
  }
  .flip-copy {
    padding: 20px 18px;
  }
  .flip-copy h3 {
    font-size: 1.75rem;
  }
  .flip-copy p {
    font-size: 0.88rem;
  }
  .flip-hint {
    padding: 12px 14px;
    background: rgba(216, 168, 62, 0.12);
    border: 1px solid rgba(216, 168, 62, 0.35);
    border-radius: 6px;
    color: #875e07;
    margin-top: 14px;
    justify-content: center;
    min-height: 44px;
  }
  .flip-back {
    padding: 20px 18px;
  }
  .flip-back h3 {
    font-size: 1.6rem;
  }
  .cardamom-back h3 {
    font-size: 1.55rem;
  }
  .flip-back .back-hint {
    padding: 12px 14px;
    background: rgba(240, 199, 102, 0.15);
    border: 1px solid rgba(240, 199, 102, 0.35);
    border-radius: 6px;
    color: #f0c766;
    margin-top: 14px;
    justify-content: center;
    min-height: 44px;
  }
  /* Ensure cardamom grades fit without inner scroll trapping */
  #product-cardamom.is-flipped .flip-inner,
  #product-cardamom.is-flipped {
    min-height: 560px;
  }
}