body, html {
      margin: 0;
      padding: 0;
      width: 100%;
      height: 100%;
      font-family: 'Roboto', sans-serif;
      background: black;
      color: white;
    }

    .wrapper {
      position: relative;
      width: 100%;
      height: 100%;
      overflow: hidden;
    }

    .overlay {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.8);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      backdrop-filter: blur(20px);
      z-index: 10;
      transition: opacity 0.5s ease, visibility 0.5s ease;
    }

    .overlay.hidden {
      opacity: 0;
      visibility: hidden;
    }

    .enter-btn {
      font-size: 2rem;
      font-weight: bold;
      color: white;
      background: none;
      border: none;
      outline: none;
      cursor: pointer;
      text-decoration: none;
      transition: transform 0.3s ease, color 0.3s ease;
    }

    .enter-btn:hover {
      transform: scale(1.1);
      color: #f0f0f0;
    }

    .main-content {
      width: 100%;
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .main-image {
      max-width: 100%;
      max-height: 100%;
      object-fit: contain;
    }