body{background-color:#f5f3ec;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;}
.hero{background:linear-gradient(135deg,#3b3b98,#e58e26);color:#fff;border-radius:1rem;padding:3rem 2rem;margin-bottom:2rem;}
.book-card{transition:transform .15s ease,box-shadow .15s ease;}
.book-card:hover{transform:translateY(-3px);box-shadow:0 .75rem 1.5rem rgba(0,0,0,.15);}