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

        body {
            font-family: Arial, sans-serif;
            display: flex;
            flex-direction: column;
            align-items: center;
            background-color: #f0f0f0;
        }

        header {
            width: 100%;
            background: linear-gradient(90deg, hsla(223, 100%, 65%, 1) 0%, hsla(216, 88%, 38%, 1) 100%);
            color: white;
            padding: 10px 20px;
            display: flex;
            align-items: center;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
            position: fixed;
            z-index: 99999;
            justify-content: space-between;
        }

         a {
            text-decoration: none; 
        }

        a:hover {
            text-decoration: underline; /* Garis bawah muncul saat dihover, opsional */
        }

        .logo {
            display: flex;
            align-items: center;
        }

        .logo img {
            height: 40px;
            margin-left: 15px;
        }

        .nav-links {
            display: flex;
            gap: 10px;
            margin-left: auto;
        }

        .nav-links a {
            color: white;
            text-decoration: none;
            padding: 5px 10px;
        }

        .nav-links a:hover {
            color: #dadada;
        }

        .nav-links a:not(:last-child)::after {
            content: "|";
            margin-left: 20px;
            color: white;
        }

        .search-container {
            display: flex;
            align-items: center;
            flex-grow: 1;
            justify-content: center;
        }

        .search-container input[type="text"] {
            padding: 5px;
            border: none;
            border-radius: 10px;
            width: 80%;
            height: 40px;
            font-size: 16px;
            text-align: center;
        }

        .search-container input[type="text"]:focus {
            outline: none;

        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            cursor: pointer;
            margin-left: 10px;
        }

        .menu-toggle span {
            background-color: white;
            height: 2px;
            width: 25px;
            margin: 4px;
            transition: 0.3s;
        }

        .custom-swal {
            margin-top: 60px;
        }

        .image-gb {
            position: relative; 
            width: 100%;
        }

        .button-container {
            position: fixed;
            width: 100%;
            height: auto;
            z-index: 998;
            bottom: 0;
        }

        .return-btn, .next-btn {
            display: none;
            position: absolute;
            bottom: 17px;
            padding: 15px;
            background-color: #007bff;
            color: white;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-size: 20px;
            width: 50px;
            height: auto;
            box-shadow: 0 3px 7px rgba(0, 0, 0, 0.2);
        }

        .return-btn {
            left: 10px;
        }

        .next-btn {
            right: 10px;
        }

        .return-btn:hover, .next-btn:hover {
            background-color: #0056b3;
        }

        .return-btn i, .next-btn i {
            margin: 0;
        }

        .full-width-image {
            width: 100%;
            height: auto;
            object-fit: cover;
            margin-bottom: 30px;
            margin-top: 50px;
            display: block;
        }

        .index1 {
            display: block;
        }

        .judul-index1 {
            text-align: center;
            margin-bottom: 30px
        }

        .hr-index1 {
            height: 3px;
            background-color: #000;
            width: 60%;
            margin-top: 5px
        }

        .index2 {
            display: none;
            margin-top: 70px;
        }

        .judul-index2 {
            text-align: center;
            margin-bottom: 30px;
            margin-top: 40px
        }

        .hr-index2 {
            height: 3px;
            background-color: #000;
            width: 40%;
            margin-top: 5px
        }

        .index3 {
            display: none;
            margin-top: 70px;
            margin-bottom: 80px;
        }

        #section8 {
            margin-top: 80px;
        }

        h2{
            color: #0056b3;
            font-weight: bold;
        }

        .icon-buttons-container {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .icon-button {
            background-color: transparent;
            border: none;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            cursor: pointer;
            transition: background-color 0.3s ease, transform 0.3s ease;
            flex: 1 1 calc(25% - 20px);
            width: 100px;
            height: auto;
            margin-bottom: 10px;
            margin-left: 10px;
        }

        .icon-button img {
            width: 100%;
            height: auto;
            transition: transform 0.3s ease;
        }

        .icon-button:hover {
            animation: pop-and-hold 0.3s forwards;

        }

        .image-pages {
            width: 60%;
            height: auto;
        }

        .image-pages:hover {
            animation: pop-and-hold 0.3s forwards;
            transform: scale(1.1);
        }

        @keyframes pop-and-hold {
            0% {
                transform: scale(1);
            }

            50% {
                transform: scale(1.1);
            }

            100% {
                transform: scale(1.1);

            }
        }

        .overlay {
            display: none;
            position: fixed;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background: rgba(255, 255, 255, 0.5);
            backdrop-filter: blur(5px);
            z-index: 999;
        }

        .tooltip {
            background-image: url("../image/5559852.jpg");
            background-size: cover; 
            background-position: center; 
            background-repeat: no-repeat; 
            display: none;
            position: fixed;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
            color: #ffffff;
            padding: 15px;
            border-radius: 10px;
            z-index: 1000;
            width: 50%; 
            max-width: 600px; 
            height: auto; 
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3); 
            overflow: hidden;
            transition: 0.3s;
        }

        .tooltip img{
            border-radius: 10px;
            width: 300px;
            height: auto;
            margin-top: 10px;
            margin-bottom: 15px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
            object-fit: cover;
        }

        .tooltip button{
            margin-top: 15px;
            width: 70%;
            height: 40px;
            border-radius: 10px;
            border: 2px solid #0075de;
            background-color: #0060d9;
            color: #ffffff;
            font-weight: bold;
            cursor: pointer;
        }

        .tooltip button:hover{
            background-color: #0042ca;
        }

        .tooltip-trigger {
            position: relative;
            text-decoration: none;
            color: blue;
        }

        .tooltip-trigger:hover {
            cursor: pointer;
        }


        @media (max-width: 768px) {

            .image-gb{
                margin-top: 10px;
                width: 100%;
                height: auto;
                object-fit: cover;
            }

            .nav-links {
                display: none;
                flex-direction: column;
                background-color: #007bff;
                position: absolute;
                top: 64px;
                right: 20px;
                width: 200px;
                box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
                border-radius: 4px;
            }

            .nav-links a {
                padding: 10px;
                padding-left: 20px;
                text-align: left;
                /* border-bottom: 0.5px solid #0056b3; */
            }

            .nav-links a:hover {
                background-color: #0056b3;
                color: white;
                border-radius: 4px;
            }

            .nav-links a:last-child {
                border-bottom: none;
            }

            .nav-links.active {
                display: flex;
            }

            .nav-links.active a:not(:last-child)::after {
                content: none;
            }

            .menu-toggle {
                display: flex;
            }

            .icon-buttons-container {
                margin-left: 9%;
                width: 80%;

            }

            #section8 {
                margin-top: 60px;
                margin-bottom: 80px;
            }

            .image-pages {
                width: 86%;
                height: auto;
            }


            .tooltip {
                margin-top: 30px;
                width: 90%;
                height: auto;
            }

            .tooltip img{
                width: 200px;
                height: auto;
            }
        }

        @media (max-width: 768px) {
            .icon-button {
                flex: 1 1 calc(33.333% - 20px);
            }
        }

        @media (max-width: 480px) {
            .icon-button {
                flex: 1 1 calc(50% - 20px);
            }
        }