html {
      scroll-behavior: smooth;
    }
    .reveal {
      opacity: 0;
      transform: translateY(20px);
      transition: all 0.6s ease-out;
    }
    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }
   .container { 
       display: flex; 
       justify-content: center; 
       
   }