/* ===== Tools Grid — KukuPDF ===== */
.tools-section {
  padding: 0 0 var(--space-3xl);
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(185px, 1fr));
  gap: var(--space-md);
}

.tool-card {
  background: var(--gradient-card);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 1px solid rgba(123, 47, 255, 0.2);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  cursor: pointer;
  transition: all 250ms cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-sm);
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--card-accent, var(--primary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.tool-card:hover {
  transform: translateY(-6px);
  border-color: rgba(123, 47, 255, 0.6);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(123, 47, 255, 0.3), var(--glow-purple);
}

.tool-card:hover::before {
  transform: scaleX(1);
}

.tool-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-icon);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition-spring);
}

.tool-card:hover .tool-card-icon {
  transform: scale(1.1);
}

.tool-card-icon i {
  width: 24px;
  height: 24px;
}

.tool-card-name {
  font-family: var(--font-ui);
  font-size: var(--fs-base);
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.3;
}

.tool-card-desc {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Badge */
.tool-card-badge {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
}

/* Workflow Card */
.tool-card.workflow-card {
  border-style: dashed;
  border-width: 1px;
  border-color: rgba(57, 255, 20, 0.35);
  background: rgba(57, 255, 20, 0.04);
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 160px;
}

.tool-card.workflow-card:hover {
  border-style: solid;
  border-color: rgba(57, 255, 20, 0.7);
  box-shadow: var(--glow-green);
}

.workflow-card-plus {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(57, 255, 20, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-sm);
  color: var(--accent);
  transition: all var(--transition-base);
}

.tool-card.workflow-card:hover .workflow-card-plus {
  background: var(--accent);
  color: var(--text-inverse);
  transform: rotate(90deg);
}

/* Staggered animation */
.tool-card[data-animate] {
  opacity: 0;
  transform: translateY(20px);
}

.tool-card.animate-in {
  animation: cardFadeIn 0.4s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes cardFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tool-card.filter-out {
  animation: cardFadeOut 0.2s ease forwards;
}

@keyframes cardFadeOut {
  to {
    opacity: 0;
    transform: scale(0.92);
  }
}

/* Related Tools */
.related-tools {
  padding: var(--space-2xl) 0;
}

.related-tools h3 {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-lg);
  color: var(--text-main);
}

.related-tools-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

@media (max-width: 1024px) {
  .tools-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  .related-tools-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .tools-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-sm); }
  .tool-card { padding: var(--space-md); }
  .tool-card-icon { width: 40px; height: 40px; }
  .related-tools-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .tools-grid { grid-template-columns: 1fr; }
}