.gradient-bg{background:linear-gradient(135deg,#000,#1a1a1a)}.feature-card{transition:transform .3s ease,box-shadow .3s ease;height:100%}.feature-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px #0000001a}.security-icon{transition:all .3s ease}.security-icon:hover{transform:scale(1.1);filter:brightness(1.2)}@media (max-width: 640px){.mobile-menu{display:none}.mobile-menu.active{display:block}}.animate-fade-up{opacity:0;transform:translateY(20px);animation:fadeUp .6s ease forwards}@keyframes fadeUp{to{opacity:1;transform:translateY(0)}}