/* Button Styling */
  .custom-btn {
    border-radius: 4px !important; /* Less rounded */
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    font-family: sans-serif;
    font-weight: 500;
  }

  /* Hover loading effect */
  .custom-btn::after {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.3);
    transition: all 0.4s ease;
  }

  .custom-btn:hover::after {
    left: 100%;
  }

  .custom-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
  }

  /* Preloader container */
  #preloader {
    position: fixed;
    inset: 0;
    background: #0d1117; /* dark background */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
  }
  #preloader.hidden {
    opacity: 0;
    visibility: hidden;
  }

  /* Loader animation - bouncing dots */
  .loader {
    display: flex;
    gap: 0.5rem;
  }
  .loader div {
    width: 15px;
    height: 15px;
    background: #FFD700; /* golden color */
    border-radius: 50%;
    animation: bounce 0.6s infinite alternate;
  }
  .loader div:nth-child(2) {
    animation-delay: 0.2s;
  }
  .loader div:nth-child(3) {
    animation-delay: 0.4s;
  }

  @keyframes bounce {
    from { transform: translateY(0); }
    to { transform: translateY(-15px); }
  }

  /* Loading text */
  .loading-text {
    color: #fff;
    margin-top: 20px;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    opacity: 0.9;
  }

  /* Responsive */
  @media (max-width: 500px) {
    .loader div {
      width: 12px;
      height: 12px;
    }
    .loading-text {
      font-size: 0.9rem;
    }
  }
   /* Social icons */
  .social-icon {
    transition: color 0.3s ease, transform 0.3s ease;
  }
  .social-icon:hover {
    color: #FFD700 !important;
    transform: translateY(-2px);
  }
    /* Default logo (mobile size) */
  .logo-img {
    height: 32px;
    width: auto;
    object-fit: contain;
  }

  /* Larger logo on desktop */
  @media (min-width: 992px) {
    .logo-img {
      height: 60px;
    }
  }

  /* Social icons */
  .social-icon {
    transition: color 0.3s ease, transform 0.3s ease;
  }
  .social-icon:hover {
    color: #FFD700 !important;
    transform: translateY(-2px);
  }

  /* Hide socials on mobile */
  @media (max-width: 991px) {
    #mainNavbar {
      display: none !important;
    }
  }
  #about {
    scroll-margin-top: 100px;
  }

  #about img {
    transition: transform 0.4s ease, box-shadow 0.4s ease;
  }
  #about img:hover {
    transform: scale(1.03);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
  }
  #why-choose-us img {
    transition: transform 0.4s ease, box-shadow 0.4s ease;
  }
  #why-choose-us img:hover {
    transform: scale(1.03);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
  }
   /* Responsive logo sizes */
  .logo-img {
    height: 55px; /* Default (mobile) */
  }
  /* @media (min-width: 992px) {
    .logo-img {
      height: 75px;
    }
  } */
  .social-icon {
    transition: transform 0.3s ease, color 0.3s ease;
  }
  .social-icon:hover {
    transform: translateY(-3px);
    color: #ffc107 !important;
  }
  .service-card {
    background: #111;
    border-radius: 20px;
    transition: all 0.4s ease;
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.15);
  }
  .service-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 8px 30px rgba(255, 215, 0, 0.3);
  }
  .icon-wrapper {
    width: 110px;
    height: 110px;
    background: #222;
    border: 2px solid #FFD700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    transition: all 0.4s ease;
  }
  .service-card:hover .icon-wrapper {
    background: #FFD700;
    transform: rotate(10deg);
  }
  .service-card:hover .icon-wrapper i {
    color: #000 !important;
  }
   /* Focus effect */
  .form-control:focus, .form-select:focus {
    border-color: #ffc107 !important;
    box-shadow: none;
  }

  /* White placeholder */
  ::placeholder {
    color: #fff !important;
    opacity: 1;
  }

  /* Button hover */
  .btn-warning:hover {
    background-color: #e0a800;
  }

  /* Responsive padding */
  @media (max-width: 576px) {
    #enroll .p-5 {
      padding: 2rem !important;
    }
  }
  .testimonial-slider-wrapper {
    position: relative;
    width: 100%;
  }

  .testimonial-slider {
    display: flex;
    transition: transform 0.5s ease-in-out;
  }

  .testimonial-card {
    flex: 0 0 calc(33.333% - 1rem); /* Desktop 3 cards */
    box-sizing: border-box;
  }

  @media (max-width: 992px) {
    .testimonial-card {
      flex: 0 0 calc(50% - 1rem); /* Tablet 2 cards */
    }
  }

  @media (max-width: 576px) {
    .testimonial-card {
      flex: 0 0 100%; /* Mobile 1 card */
    }
  }
  footer a:hover {
    color: #ffc107 !important;
    text-decoration: underline;
  }

  footer i {
    transition: transform 0.3s ease;
  }

  footer i:hover {
    transform: scale(1.2);
    color: #ffc107;
  }

  @media (max-width: 576px) {
    footer .d-flex {
      justify-content: center;
    }
  }