/* Three-Card Grid - Now managed by about-section.css */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;

  /* Align cards to start for expansion */
  align-items: start;
}

.card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: clamp(1rem, 1.5vw, 1.5rem) clamp(1rem, 1.5vw, 1.5rem);
  position: relative;
  box-shadow: var(--shadow-sm);
  z-index: 2;
  overflow: visible;
  cursor: default;
  /* Scroll reveal animation */
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease, box-shadow var(--transition-normal), border-color var(--transition-normal), background var(--transition-normal);
}

.card.visible {
  opacity: 1;
  transform: translateY(0);
}

.card.visible:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: var(--glass-border-hover);
  background: rgba(30, 38, 50, 0.7);
}

.card-heading {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 0.75rem;
  line-height: 1.2;
  color: #ffffff;
  display: block;
  opacity: 1;
  visibility: visible;
}

.card-badge {
  font-size: clamp(0.6rem, 0.7vw, 0.72rem);
  font-family: var(--font-mono);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
  display: inline-block;
  padding: 4px 10px;
  border-radius: 6px;
  letter-spacing: 0.06em;
  opacity: 1;
  visibility: visible;
}

.card-text {
  font-family: var(--font-sans);
  font-size: clamp(0.8rem, 0.95vw, 0.92rem);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.88);
  letter-spacing: 0.005em;
  margin: 0;
  display: block;
  visibility: visible;
  opacity: 1;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/* Card Learn More Button */
.card-btn {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 700;
  padding: 0.35rem 0.7rem;
  border: 2px solid;
  border-radius: 7px;
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: auto;
  width: 100%;
}

.card.philosophy .card-btn {
  border-color: var(--philosophy);
  color: var(--philosophy);
}

.card.philosophy .card-btn:hover {
  background: rgba(61, 232, 192, 0.2);
  color: var(--philosophy);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(61, 232, 192, 0.25);
}

.card.web3 .card-btn {
  border-color: var(--web3);
  color: var(--web3);
}

.card.web3 .card-btn:hover {
  background: rgba(214, 112, 240, 0.2);
  color: var(--web3);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(214, 112, 240, 0.25);
}

.card.edge .card-btn {
  border-color: var(--transdisciplinary);
  color: var(--transdisciplinary);
}

.card.edge .card-btn:hover {
  background: rgba(245, 200, 66, 0.2);
  color: var(--transdisciplinary);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(245, 200, 66, 0.25);
}

/* Card Type Styling */
.card.philosophy {
  border-left: 4px solid var(--philosophy);
}

.card.philosophy .card-badge {
  background: rgba(61, 232, 192, 0.15);
  color: var(--philosophy);
  border: 1px solid rgba(61, 232, 192, 0.3);
}

.card.web3 {
  border-left: 4px solid var(--web3);
}

.card.web3 .card-badge {
  background: rgba(214, 112, 240, 0.15);
  color: var(--web3);
  border: 1px solid rgba(214, 112, 240, 0.3);
}

.card.edge {
  border-left: 4px solid var(--transdisciplinary);
}

.card.edge .card-badge {
  background: rgba(245, 200, 66, 0.15);
  color: var(--transdisciplinary);
  border: 1px solid rgba(245, 200, 66, 0.3);
}

/* Responsive */
@media (max-width: 1024px) {
  .card {
    padding: 1.1rem;
  }

  .card-text {
    font-size: 0.85rem;
    line-height: 1.5;
  }
}

@media (max-width: 768px) {
  .cards-grid {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .card {
    padding: 1rem;
  }

  .card-badge {
    font-size: 0.65rem;
    margin-bottom: 0.4rem;
  }

  .card-text {
    font-size: 0.85rem;
    line-height: 1.55;
  }
}

@media (max-width: 480px) {
  .cards-grid {
    gap: 0.7rem;
  }

  .card {
    padding: 0.9rem;
  }

  .card-badge {
    font-size: 0.6rem;
    padding: 3px 7px;
  }

  .card-text {
    font-size: 0.8rem;
    line-height: 1.5;
  }
}