.tab-btn[aria-selected="true"] { background: #fff; color: #0b57f0; box-shadow: 0 4px 20px -8px rgba(16, 60, 140, .25); }
.spec-card { transition: border-color .2s, transform .2s; }
.spec-card:hover { border-color: #bcd4ff; transform: translateY(-2px); }
.step-line { background-image: linear-gradient(to right, #bcd4ff 50%, transparent 0); background-size: 10px 2px; background-repeat: repeat-x; }
@media (prefers-reduced-motion: reduce) { .spec-card, .spec-card:hover { transition: none; transform: none; } }