/* Icon System */
.icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  vertical-align: middle;
}

.icon--sm { width: 16px; height: 16px; }
.icon--md { width: 24px; height: 24px; }
.icon--lg { width: 32px; height: 32px; }
.icon--xl { width: 48px; height: 48px; }

.nav-icon {
  width: 18px;
  height: 18px;
  margin-right: 8px;
  vertical-align: middle;
}

.card__icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-4);
  border-radius: var(--radius-xl);
  background: var(--gradient-surface-primary);
  color: var(--color-primary);
  transition: all 0.3s ease;
}

.card__icon .icon {
  width: 32px;
  height: 32px;
  stroke-width: 1.5;
}

.card:hover .card__icon {
  transform: scale(1.1);
  background: var(--gradient-primary-soft);
}

/* Mobile Navigation Icons */
.mobile-nav-link .nav-icon {
  margin-right: 12px;
  width: 20px;
  height: 20px;
}