* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
  }

  body {
      font-family:
          system-ui,
          -apple-system,
          Segoe UI,
          Roboto,
          Arial,
          sans-serif;
      background: #050507;
      color: #e8e8e8;
      display: flex;
      flex-direction: column;
      align-items: center;
      min-height: 100vh;
      overflow-x: hidden;
  }

  /* fondo animado */

  body::before {
      content: "";
      position: fixed;
      top: 0;
      left: 0;

      width: 100%;
      height: 100%;

      background:
          radial-gradient(circle at 30% 20%,
              rgba(60, 80, 255, 0.15),
              transparent 40%),
          radial-gradient(circle at 70% 60%,
              rgba(0, 200, 255, 0.12),
              transparent 40%),
          radial-gradient(circle at 50% 90%,
              rgba(255, 80, 120, 0.1),
              transparent 40%);

      animation: movebg 18s infinite alternate;

      z-index: -1;
  }

  @keyframes movebg {
      from {
          transform: translateY(-20px);
      }

      to {
          transform: translateY(20px);
      }
  }

  /* layout principal */

  main {
      max-width: 1000px;
      padding: 60px 25px;

      display: flex;
      align-items: flex-start;
      gap: 50px;

      animation: fade 1.6s ease;
  }

  /* logo */

  .logo {
      max-width: 220px;
      flex-shrink: 0;

      filter: drop-shadow(0 0 25px rgba(255, 255, 255, 0.2));

      animation: logo 2s ease;
  }

  /* columna de texto */

  .content {
      text-align: left;
      max-width: 600px;
  }

  /* titulo */

  h1 {
      font-family: "Orbitron", sans-serif;
      font-size: 30px;
      letter-spacing: 0.08em;
      margin-bottom: 18px;
      color: #e8f0ff;
      text-shadow:
          0 0 8px rgba(120, 180, 255, 0.4),
          0 0 20px rgba(80, 120, 255, 0.25);
  }

  /* descripción */

  .description {
      line-height: 1.7;
      font-size: 15px;
      opacity: 0.9;
      margin-bottom: 40px;
  }

  /* áreas */

  .areas {
      display: grid;
      gap: 14px;
  }

  .area {
      padding: 14px 18px;

      border: 1px solid rgba(255, 255, 255, 0.08);

      border-radius: 8px;

      background: rgba(255, 255, 255, 0.02);

      backdrop-filter: blur(4px);

      transition: 0.3s;
  }

  .area:hover {
      border-color: rgba(255, 255, 255, 0.25);

      transform: translateY(-2px);
  }

  /* footer */

  footer {
      margin-top: 60px;

      display: flex;
      align-items: center;

      font-size: 12px;
      opacity: 0.6;
  }

  .footer-link {
      display: flex;
      align-items: center;
      gap: 10px;

      color: white;
      text-decoration: none;
  }

  .footer-link:hover {
      opacity: 0.85;
  }

  .logo-footer {
      height: 45px;
  }

  /* animaciones */

  @keyframes logo {
      from {
          opacity: 0;
          transform: scale(0.9);
      }

      to {
          opacity: 1;
          transform: scale(1);
      }
  }

  @keyframes fade {
      from {
          opacity: 0;
          transform: translateY(15px);
      }

      to {
          opacity: 1;
          transform: translateY(0);
      }
  }

  /* responsive */

  @media (max-width: 800px) {
      main {
          flex-direction: column;
          align-items: center;
          text-align: center;
      }

      .content {
          text-align: center;
      }
  }