/* =========================================
   etf-tools.css — ETF 工具 hub 頁(etf-tools.html)
   hero 沿用 components.css 的 .knowledge-hero;此檔只做兩張工具卡
   ========================================= */

.tools-section {
  padding-top: var(--space-4);
  padding-bottom: var(--section-gap-mobile);
}

.tools-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .tools-grid { grid-template-columns: 1fr 1fr; gap: var(--gutter); }
}

.tool-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-8);
  box-shadow: var(--shadow-premium);
  color: var(--color-on-surface);
  transition: box-shadow var(--transition-slow), transform var(--transition-slow), border-color var(--transition-slow);
}
.tool-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-premium-hover);
  border-color: var(--color-secondary);
}

.tool-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--radius-icon);
  margin-bottom: var(--space-4);
  color: #fff;
}
.tool-card__icon .material-symbols-outlined { font-size: 2rem; }
.tool-card__icon--map { background: linear-gradient(135deg, #4648d4 0%, #6063ee 100%); }
.tool-card__icon--rank { background: linear-gradient(135deg, #0d9488 0%, #22b8a6 100%); }

.tool-card__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-on-surface);
  margin-bottom: var(--space-3);
}
.tool-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-on-surface-variant);
  line-height: 1.8;
  margin-bottom: var(--space-6);
}
.tool-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  font-weight: 600;
  color: var(--color-secondary);
}
.tool-card__cta .material-symbols-outlined { font-size: 1.15rem; transition: transform var(--transition-fast); }
.tool-card:hover .tool-card__cta .material-symbols-outlined { transform: translateX(4px); }