.jumbotron {
    padding-top: 4rem;
    padding-bottom: 0rem;
    background-color: rgb(128, 146, 153);

}
.btn {
    background: linear-gradient(90deg, #4e5cd9, #de4ceb);
}
.responsive {
    width: 100%;
    height: auto;
}
#project {
    background-color: rgb(112, 130, 138);
}
.image-box:hover img {
    transform: scale(1.2);
  }

  .loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 123, 255, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
  }

  .spinner {
    width: 60px;
    height: 60px;
    border: 6px solid #7899bd;
    border-top: 6px solid #206ab9;
    border-radius: 50%;
    animation: spin 1s linear infinite;
  }

  @keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }