.fullscreen-loader {
      position: fixed;
      top: 0;
      left: 0;
      width: 100vw;
      height: 100vh;
      background: linear-gradient(to bottom right, #f5f0fa, #ffffff);
      display: flex;
      justify-content: center;
      align-items: center;
      z-index: 9999;
    }

    .dot-loader {
      display: flex;
      gap: 14px;
    }

    .dot-loader span {
      width: 16px;
      height: 16px;
      background-color: #7e22ce; /* Deep Purple */
      border-radius: 9999px;
      animation: wave 1.2s infinite ease-in-out;
      box-shadow: 0 0 10px rgba(126, 34, 206, 0.4);
    }

    .dot-loader span:nth-child(1) {
      animation-delay: 0s;
    }
    .dot-loader span:nth-child(2) {
      animation-delay: 0.15s;
    }
    .dot-loader span:nth-child(3) {
      animation-delay: 0.3s;
    }
    .dot-loader span:nth-child(4) {
      animation-delay: 0.45s;
    }
    .dot-loader span:nth-child(5) {
      animation-delay: 0.6s;
    }

    @keyframes wave {
      0%, 100% {
        transform: translateY(0);
        opacity: 0.5;
      }
      50% {
        transform: translateY(-15px);
        opacity: 1;
      }
    }



    /* ....................................................... */

        /* Scroll-to-top button */
    #scrollToTopBtn {
      position: fixed;
      bottom: 2.5rem;
      right: 2.5rem;
      width: 60px;
      height: 60px;
      background: linear-gradient(135deg, #7c3aed, #c084fc); /* Purple gradient */
      color: white;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 15px 25px rgba(0,0,0,0.3);
      cursor: pointer;
      opacity: 0;
      transform: translateY(100px) scale(0.5) rotate(0deg);
      transition: all 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);
      z-index: 1000;
    }

    /* Show button */
    #scrollToTopBtn.show {
      opacity: 1;
      transform: translateY(0) scale(1) rotate(0deg);
      animation: float 2s infinite ease-in-out;
    }

    /* Hover effect */
    #scrollToTopBtn:hover {
      transform: translateY(-5px) scale(1.1) rotate(360deg);
      box-shadow: 0 20px 30px rgba(0,0,0,0.4);
    }

    /* Arrow inside button */
    #scrollToTopBtn svg {
      width: 28px;
      height: 28px;
      transition: transform 0.3s ease;
    }

    #scrollToTopBtn:hover svg {
      transform: translateY(-4px);
    }

    /* Floating animation for attention */
    @keyframes float {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-8px); }
    }