@media (max-width: 768px) {
    #mainmenu {
        background: rgba(43, 101, 159, 0.25);
        backdrop-filter: blur(14px);
        border-radius: 12px;
        padding: 8px 0 30px;
        height: 550px;
        width: auto;
        max-width: 90%;
        margin: 0 auto;
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
        border: 1px solid rgba(255, 255, 255, 0.2);
        font-family: 'Montserrat', sans-serif;
        display: inline-block;
        margin-top: 10px;
    }

    #mainmenu li {
        list-style: none;
        padding: 2px !important;
        margin: 0;
    }

    #mainmenu li a {
        display: block;
        font-size: 18px;
        font-weight: 600;
        color: white;
        text-decoration: none;
        padding: 12px 20px !important;
        margin: 8px 16px;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.05);
        transition: all 0.3s ease;
        position: relative;
    }

    #mainmenu li a:hover {
        background: rgba(238, 232, 20, 0.4);
        color: #2b659f;
        font-weight: 700;
        transform: translateX(4px);
        padding: 3px !important;
    }

    #mainmenu li:last-child a {
        border-bottom: none;
    }

    #menu-btn {
        background: #2b659f;
        width: 50px;
        height: 50px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: background 0.3s ease, transform 0.2s ease;
        position: fixed;
        top: 15px;
        right: 15px;
        z-index: 1001;
        box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
    }

    #menu-btn:hover {
        background: #2b659f;
    }

    #menu-btn::before {
        content: "\2630";
        font-size: 24px;
        color: white;
    }

    .menu-container {
        display: flex;
        justify-content: center;
        align-items: center;
        width: 100%;
    }

    #mainmenu li a::before {
        content: none !important;
    }

    #mainmenu li ul {
        display: none;
        padding-left: 16px;
        margin-top: 6px;
    }

    #mainmenu li.open ul {
        display: block;
    }

    #mainmenu li ul li a {
        background: rgba(255, 255, 255, 0.04);
        font-size: 16px;
        padding: 10px 20px 10px 48px;
        margin: 4px 0 4px 16px;
        border-radius: 10px;
        transition: all 0.2s ease;
    }
}