* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  }
  
  body {
    background: linear-gradient(120deg, #0d0f3c, #1a0258, #ff004c);
    min-height: 100vh;
    color: white;
  }
  
  .navbar {
    background-color: #000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    border-radius: 50px;
    margin: 1rem;
  }
  
  .logo-container {
    display: flex;
    align-items: center;
  }
  
  .logo {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-right: 10px;
  }
  
  .brand {
    font-weight: bold;
    font-size: 1.5rem;
  }
  
  .nav-links a {
    color: white;
    text-decoration: none;
    margin-left: 2rem;
    font-size: 1.1rem;
    border-left: 1px solid white;
    padding-left: 2rem;
  }
  

  
  .nav-links a:hover {
    text-decoration: underline;
  }
  
  .main-content {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 70vh;
  }
  html {
    scroll-behavior: smooth;
  }
  
  /* Scroll suave para anclas */
html {
    scroll-behavior: smooth;
  }
  
  /* Sección general del formulario */
  #signup {
    padding: 30px 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-size: 400% 400%;
    animation: gradient 10s ease infinite;
  }
  
  
  /* Estilo del formulario en sí */
  #signup form {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(15px);
    border-radius: 25px;
    padding: 40px;
    width: 100%;
    max-width: 500px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.37);
    text-align: center;
  }
  
  /* Inputs de texto */
  #signup input[type="text"],
  #signup input[type="email"],
  #signup input[type="password"] {
    width: 100%;
    padding: 15px;
    margin: 15px 0;
    font-size: 20px;
    border: none;
    border-radius: 25px;
    text-align: center;
    background: rgba(0, 0, 0, 0.4);
    color: #fff;
  }
  
  /* Placeholder más visible */
  #signup input::placeholder {
    color: rgba(255, 255, 255, 0.6);
    font-weight: bold;
    font-size: 20px;
  }
  
  /* Botones sociales */
  .social-buttons {
    display: flex;
    justify-content: space-around;
    margin: 20px 0;
  }
  
  .social-buttons button {
    border: 2px solid white;
    border-radius: 50px;
    padding: 15px 25px;
    background: linear-gradient(to right, red, magenta, purple);
    cursor: pointer;
    transition: transform 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .social-buttons button:hover {
    transform: scale(1.05);
  }
  
  .social-buttons img {
    width: 60px;
    height: 60px;
  }
  
  /* Botón principal de registro */
  #signup button.signup-submit {
    margin-top: 20px;
    background: black;
    color: white;
    font-size: 24px;
    font-weight: bold;
    border: none;
    padding: 15px 30px;
    border-radius: 50px;
    cursor: pointer;
    transition: background 0.3s;
  }
  
  #signup button.signup-submit:hover {
    background: #222;
  }
  .footer {
    background: radial-gradient(circle at center, #111, #222);
    border: 3px solid #ccc;
    border-radius: 50px;
    margin: 0 auto 50px auto;
    padding: 30px;
    width: 90%;
    max-width: 1000000px;
    text-align: center;
    box-shadow: 0 0 15px #f0f;
  }
  
  .footer p {
    margin: 5px 0;
    font-size: 15px;
    line-height: 1.5;
  }
  /* Decoración del input de tipo archivo */
#signup input[type="file"] {
  width: 100%;
  padding: 15px;
  margin: 15px 0;
  font-size: 18px;
  border: none;
  border-radius: 25px;
  text-align: center;
  background: rgba(0, 0, 0, 0.4);
  color: #fff;
  cursor: pointer;
  transition: background 0.3s ease;
}

/* Personalización del texto del botón de archivo (solo en navegadores que lo soportan) */
#signup input[type="file"]::file-selector-button {
  background: linear-gradient(to right, #ff004c, #1a0258);
  color: white;
  padding: 10px 20px;
  border: none;
  border-radius: 20px;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s ease;
}

#signup input[type="file"]::file-selector-button:hover {
  background: linear-gradient(to right, #ff3366, #330066);
}

body {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

body.fade-in {
  opacity: 1;
  transform: translateY(0);
}

body.fade-out {
  opacity: 0;
  transform: translateY(-20px);
}

#signup form {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

#signup form.show {
  opacity: 1;
  transform: translateY(0);
}