* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Montserrat', sans-serif;
    position: relative;
    min-height: 100vh;
    background: #fff;
    overflow-x: hidden;
  }
  
  /* Hidden section */
  .registro-container {
    display: none;
    position: relative;
    z-index: 2;
    padding: 4rem 2rem;
    text-align: center;
  }
  
  .registro-container.active {
    display: block;
  }
  
  h1 {
    font-size: 2.5rem;
    color: #ff6200;
    margin-bottom: 1rem;
  }
  
  .registro-container p {
    color: #0e2b64;
    font-weight: 600;
    margin-bottom: 2rem;
    max-width: 700px;
    margin-inline: auto;
  }
  
  /* Button container */
  .buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
  }
  
  /* Shared button class */
  .buttonsy {
    padding: 1rem 2rem;
    font-size: 1rem;
    border: none;
    border-radius: 306px;
    font-weight: bold;
    color: #fff;
    cursor: pointer;
    box-shadow: 0px 3px 2px rgba(0, 0, 0, 0.2); 
  }
  
  /* Individual styles */
  .descargar {
    background: #ff6200;
  }
  
  .inicio {
    background: #0e2b64;
  }
  
  .sesion {
    background: #10c147;
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
  
  .sesion::before {
    content: '➔';
  }
  
  /* Image styling */
  .image-wrapper {
    max-width: 400px;
    margin: 0 auto;
  }
  
  .image-wrapper img {
    max-width: 100%;
    height: auto;
  }
  
  /* Floating background squares */
  .circles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
    pointer-events: none;
  }
  
  .circles li {
    position: absolute;
    display: block;
    list-style: none;
    width: 20px;
    height: 20px;
    background: #ff62008c;
    animation: animate 15s linear infinite;
    bottom: -180px;
  }
  
  .circles li:nth-child(1) {
    left: 25%;
    width: 80px;
    height: 80px;
    animation-delay: 0s;
  }
  
  .circles li:nth-child(2) {
    left: 10%;
    width: 20px;
    height: 20px;
    animation-delay: 2s;
    animation-duration: 12s;
  }
  
  .circles li:nth-child(3) {
    left: 70%;
    width: 20px;
    height: 20px;
    animation-delay: 4s;
  }
  
  .circles li:nth-child(4) {
    left: 40%;
    width: 60px;
    height: 60px;
    animation-delay: 0s;
    animation-duration: 18s;
  }
  
  .circles li:nth-child(5) {
    left: 65%;
    width: 20px;
    height: 20px;
    animation-delay: 0s;
  }
  
  .circles li:nth-child(6) {
    left: 75%;
    width: 110px;
    height: 110px;
    animation-delay: 3s;
  }
  
  .circles li:nth-child(7) {
    left: 35%;
    width: 150px;
    height: 150px;
    animation-delay: 7s;
  }
  
  .circles li:nth-child(8) {
    left: 50%;
    width: 25px;
    height: 25px;
    animation-delay: 15s;
    animation-duration: 45s;
  }
  
  .circles li:nth-child(9) {
    left: 20%;
    width: 15px;
    height: 15px;
    animation-delay: 2s;
    animation-duration: 35s;
  }
  
  .circles li:nth-child(10) {
    left: 85%;
    width: 150px;
    height: 150px;
    animation-delay: 0s;
    animation-duration: 11s;
  }
  
  @keyframes animate {
    0% {
      transform: translateY(0) rotate(0deg);
      opacity: 1;
      border-radius: 0;
    }
    100% {
      transform: translateY(-1000px) rotate(720deg);
      opacity: 0;
      border-radius: 50%;
    }
  }
  
  /* Responsive */
  @media (max-width: 768px) {
    h1 {
      font-size: 2rem;
    }
  
    .buttons {
      flex-direction: column;
    }
  
    p {
      font-size: 0.9rem;
    }
  }