/* TRON-style Offering Cards */
.offering-card {
  background: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-standard);
  position: relative;
  box-shadow: 0 0 4px rgba(0, 255, 255, 0.05);
}

.offering-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-hover));
  opacity: 0.5;
  transition: opacity var(--duration-normal) var(--ease-standard);
}

.offering-card:hover {
  transform: translateY(-2px);
  box-shadow: 
    0 0 8px rgba(0, 255, 255, 0.1),
    0 8px 24px rgba(0, 0, 0, 0.1);
}

.offering-card:hover::before {
  opacity: 1;
}

/* Featured card styling */
.offering-card--featured {
  border-color: var(--color-primary);
  box-shadow: 
    0 0 8px rgba(0, 255, 255, 0.15),
    0 8px 24px rgba(0, 0, 0, 0.15);
}

.offering-card--featured::before {
  opacity: 1;
  height: 3px;
}

/* Active card styling (for hover effects) */
.offering-card.active {
  transform: translateY(-2px);
  box-shadow: 
    0 0 12px rgba(0, 255, 255, 0.2),
    0 12px 28px rgba(0, 0, 0, 0.2);
  border-color: var(--color-primary);
  z-index: 1;
}

.offering-card.active::before {
  opacity: 1;
  height: 3px;
}

/* Card header */
.offering-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-16) var(--space-20);
  background: linear-gradient(
    135deg, 
    rgba(0, 255, 255, 0.03) 0%, 
    rgba(0, 0, 0, 0) 100%
  );
  border-bottom: 1px solid var(--color-card-border-inner);
  cursor: pointer;
}

.offering-card__title {
  display: flex;
  flex-direction: column;
}

.offering-card__title strong {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.offering-card__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* Toggle button */
.offering-card__toggle {
  background: transparent;
  border: none;
  color: var(--color-primary);
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--duration-normal) var(--ease-standard);
}

.offering-card__toggle:hover {
  background: rgba(0, 255, 255, 0.1);
}

.offering-card__toggle-icon {
  transition: transform var(--duration-normal) var(--ease-standard);
}

/* Card content (collapsible) */
.offering-card__content {
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
  padding: 0 var(--space-20);
  opacity: 0;
  visibility: hidden;
}

/* When expanded */
.offering-card--expanded .offering-card__content {
  max-height: 500px; /* Adjust as needed */
  padding: var(--space-20);
  border-top: 1px solid var(--color-card-border-inner);
  opacity: 1;
  visibility: visible;
}

.offering-card--expanded .offering-card__toggle-icon {
  transform: rotate(180deg);
}

/* Grid layout for content */
.offering-card__grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-12) var(--space-20);
  margin-bottom: var(--space-16);
}

.offering-card__label {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.offering-card__value {
  color: var(--color-text);
}

/* Price chips */
.offering-card__price-chips {
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.offering-card__price-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6) var(--space-12);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  min-width: 80px;
  text-align: center;
}

.offering-card__price-chip--inr {
  background: linear-gradient(135deg, rgba(255, 140, 0, 0.2) 0%, rgba(255, 140, 0, 0.1) 100%);
  color: var(--color-text);
  border: 1px solid rgba(255, 140, 0, 0.3);
}

.offering-card__price-chip--usd {
  background: linear-gradient(135deg, rgba(0, 255, 255, 0.2) 0%, rgba(0, 255, 255, 0.1) 100%);
  color: var(--color-text);
  border: 1px solid rgba(0, 255, 255, 0.3);
}

/* CTA section */
.offering-card__cta {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--space-16);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .offering-card__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .offering-card__label {
    margin-bottom: calc(var(--space-2) * -1);
  }
  
  .offering-card__cta {
    justify-content: center;
  }
}