body { background: #f5f7fb; }
.jumbotron { border-radius: 18px; box-shadow: 0 18px 50px rgba(20, 40, 80, .10); background: linear-gradient(135deg, #ffffff 0%, #f7fbff 100%); }
.btn { border-radius: 8px; }
.breadcrumb { background: rgba(255,255,255,.7); border-radius: 12px; }
.modal-content { border-radius: 14px; box-shadow: 0 20px 55px rgba(0,0,0,.14); }
.alert { border-radius: 10px; }
@media (max-width: 767px) { .jumbotron { padding: 24px 18px; } .jumbotron h1 { font-size: 28px; } }