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

    body {
      font-family: "Poppins", sans-serif;
      overflow-x: hidden;
    }

    /* ---------- PRELOADER ---------- */
    #preloader {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: #ffffff;
      display: flex;
      justify-content: center;
      align-items: center;
      flex-direction: column;
      z-index: 9999;
      transition: opacity 0.8s ease, visibility 0.8s ease;
    }

    #preloader.fade-out {
      opacity: 0;
      visibility: hidden;
    }

    .loader-logo {
      width: 100px;
      height: 100px;
      margin-bottom: 20px;
      animation: bounce 1.5s infinite;
    }

    @keyframes bounce {
      0%, 100% {
        transform: translateY(0);
      }
      50% {
        transform: translateY(-15px);
      }
    }

    .spinner {
      border: 4px solid #f3f3f3;
      border-top: 4px solid #44B64A;
      border-radius: 50%;
      width: 40px;
      height: 40px;
      animation: spin 1s linear infinite;
    }

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

    /* ---------- MAIN PAGE ---------- */
    #main-content {
      display: none;
      animation: fadeIn 1s ease;
    }

    @keyframes fadeIn {
      from { opacity: 0; }
      to { opacity: 1; }
    }

    /* Example main section */
    header {
      background: #44B64A;
      color: white;
      text-align: center;
      padding: 40px 20px;
    }