html { scroll-behavior: smooth; }
a { text-decoration: none; }
img { display: block; }
.btn-primary, .btn-secondary { transition: all .2s ease; }
.btn-primary:hover, .btn-secondary:hover { transform: translateY(-1px); }
.card { transition: box-shadow .2s ease, border-color .2s ease, transform .2s ease; }
.card:hover { transform: translateY(-2px); }