body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    margin: 0;
    padding: 0;
}

header {
    background-image: url('GABU.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 50px 0;
}

header h1 {
    margin: 0;
}

nav {
    background-color: #333;
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
}

nav ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
}

nav ul li {
    position: relative;
}

nav ul li a {
    text-decoration: none;
    color: white;
    padding: 10px 15px;
    display: block;
}

nav ul li a:hover {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 5px;
}

.dropdown-content {
    display: none;
    position: absolute;
    background: rgba(255,0,0,0.3);
    min-width: 150px;
    top: 100%;
    left: 0;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.2);
    border-radius: 5px;
}

.dropdown-content li {
    display: block;
}

.dropdown:hover .dropdown-content {
    display: block;
}

.container {
    width: 80%;
    margin: 20px auto;
}

.section {
    background-size: cover;
    background-position: center;
    margin-bottom: 70px;
}

.section h2 {
    color: #333;
}

.section p {
    font-size: 16px;
    line-height: 1.6;
}

.contract-box {
    background: white;
    color: black;
    padding: 10px;
    border-radius: 5px;
    font-size: 18px;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid #FFD700;
    max-width: 500px;
    margin: 20px auto;
    box-shadow: 0px 4px 10px rgba(255, 215, 0, 0.3);
}

.contract-box button {
    background-color: #FFD700;
    color: black;
    font-size: 16px;
    padding: 8px 12px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: 0.3s;
}

.contract-box button:hover {
    background-color: #FFC107;
    transform: scale(1.05);
}

.buy-button {
    display: inline-block;
    background: linear-gradient(45deg, #FFD700, #FFC107);
    color: black;
    font-size: 20px;
    font-weight: bold;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    text-align: center;
    transition: all 0.3s ease-in-out;
    box-shadow: 0px 4px 10px rgba(255, 215, 0, 0.5);
}

.buy-button:hover {
    transform: scale(1.1);
    box-shadow: 0px 6px 20px rgba(255, 215, 0, 0.8);
}

.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1001;
}

.modal {
    display: none;
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    color: white;
    font-size: 18px;
    box-shadow: 0px 4px 15px rgba(255, 215, 0, 0.5);
    z-index: 1002;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translate(-50%, -60%); }
    to { opacity: 1; transform: translate(-50%, -50%); }
}

.footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 10px;
    position: relative;
    width: 100%;
    bottom: 0;
}

/* Responsif: Aktifkan menu hamburger di ponsel */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
        flex-direction: column;
        cursor: pointer;
        padding: 10px;
    }

       .menu-toggle span {
        background: white;
        height: 2px;
        width: 25px;
        margin: 4px 0;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
    }

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

    .nav-links li {
        text-align: center;
    }

    .dropdown-content {
        position: static;
        background: rgba(255, 0, 0, 0.5);
    }
}