header {
    position: fixed;
    top: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    background-color: rgba(255,255,255,0.8);
    box-shadow: var(--shadow-primary);
    transition: var(--default-transition);
    z-index: 3;
    border-radius: calc(50vw);
    justify-content: space-between;
    width: 80%;
    backdrop-filter: var(--background-blur);
}

    header.scrolled {
        top: 1rem;
        padding: 1rem 1.5rem;
    }

.header-left,
.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-divider {
    width: 2px;
    height: 20px;
    background-color: #bbb;
}







.logo {
    width: 90px;
    margin: 0 10px;
    position: relative;
    bottom: 9px;
    z-index: 100;
}

    .logo img {
        width: 100%;
        display: block;
    }



.nav-carousel {
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
    width: 100%;
    max-width: 100%;
}




.nav-dropdown {
    position: relative;
    cursor: pointer;
    display: flex;
    align-items: center;
}

    .nav-dropdown img {
        width: 12px;
        margin: 0 8px;
    }


    .nav-dropdown .dropdown {
        position: absolute;
        top: 100%;
        inset-inline-start: 0px;
        min-width: 180px;
        list-style: none;
        visibility: hidden;
        opacity: 0;
        transform: translateY(-10px);
        transition: var(--default-transition);
    }
.nav-dropdown:hover .dropdown {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
}

        .nav-dropdown .dropdown li {
            padding: 0;
        }

            .nav-dropdown .dropdown li:hover {
                background-color: var(--gray);
            }

            .nav-dropdown .dropdown li a {
                gap: 10px;
                display: flex;
                padding: 10px 16px;
            }






    .nav-dropdown a {
        position: relative;
        color: var(--color-primary);
        transition: var(--default-transition);
        font-size: var(--font-size-lg);
        font-weight: bold;
        white-space: nowrap;
        font-weight: 900;
    }

.nav-dropdown-item a {
    color: var(--color-primary) ;
}
.nav-dropdown-item.active a {
    color: var(--color-primary-dark);
}


.nav-items {
    display: flex;
    gap: 20px;
}

    .nav-items li {
        list-style: none;
        cursor: pointer;
        flex-shrink: 0;
    }






.nav-item a {
    position: relative;
    color: var(--color-primary);
    transition: var(--default-transition);
    font-size: var(--font-size-lg);
    font-weight: bold;
    white-space: nowrap;
    font-weight: 900;
}

    .nav-item a::after {
        content: "";
        position: absolute;
        left: 50%;
        bottom: -2px;
        transform: translateX(-50%) scaleX(0);
        transform-origin: center;
        width: 100%;
        height: 2px;
        background-color: var(--color-primary);
        transition: var(--default-transition);
    }


    .nav-item a:hover::after {
        transform: translateX(-50%) scaleX(1);
    }

.nav-item.active a {
    color: var(--color-primary-dark);
}

    .nav-item.active a::after {
        background-color: var(--color-primary-dark);
    }

.nav-prev,
.nav-next {
    border: none;
    cursor: pointer;
    background: transparent;
    font-size: 22px;
    color: var(--color-primary);
    display: none;
}







.menu-toggle {
    display: none;
    color: var(--color-text-main);
}










.language-selector {
    position: relative;
    cursor: pointer;
    display: flex;
    align-items: center;
}

    .language-selector:hover #languageDropdown {
        visibility: visible;
        opacity: 1;
        transform: translateY(0);
    }

    .language-selector:hover svg {
        fill: var(--color-primary-dark)
    }

    .language-selector a {
        display: flex;
        align-items: center;
        text-decoration: none;
        font-weight: var(--font-weight-bold);
        font-size: var(--font-size-lg);
        color: var(--color-text-main);
    }

        .language-selector a span img {
            width: 12px;
        }



#languageDropdown {
    position: absolute;
    top: 110%;
    inset-inline-end: 0; /* به جای right */
    min-width: 180px;
    list-style: none;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-10px);
    transition: var(--default-transition);
}

    #languageDropdown li {
        padding: 0;
    }

        #languageDropdown li:hover {
            background-color: var(--gray);
        }

        #languageDropdown li a {
            gap: 10px;
            display: flex;
            padding: 10px 16px;
        }

        #languageDropdown li img {
            width: 32px;
            object-fit: cover;
            border-radius: 3px;
        }











.header-buttuns {
    gap: 0.5rem;
    display: flex;
}



.language-selector img {
    margin: 0 3px;
}



.header-button img,
.header-button svg,
.menu-toggle svg {
    display: block;
    width: 36px;
    object-fit: contain;
    transition: var(--default-transition);
    cursor: pointer;
}






@media (max-width: 1450px) {

    header {
        width: 90%;
    }
}


@media (max-width: 1200px) {
    header {
        padding: 1rem;
    }

        header.scrolled {
            padding: 0.8rem 1rem;
        }

    .nav-prev,
    .nav-next {
        display: none;
    }


    nav {
        position: fixed;
        top: 0%;
        inset-inline-start: -100%;
        width: 250px;
        height: 95lvh;
        background-color: var(--color-white);
        box-shadow: 2px 0 12px rgba(0,0,0,0.15);
        padding: 3rem 2rem;
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
        overflow-y: visible; /* یا حذف کن */
        transition: var(--default-transition);
        z-index: 4;
        border-radius: var(--radius-pill);
    }

        nav.open {
            inset-inline-start: 0;
        }

        nav ul {
            flex-direction: column;
        }




    .menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(0,0,0,0.2);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease-in-out;
        z-index: 2;
    }


        .menu-overlay.active {
            opacity: 1;
            visibility: visible;
        }

    .logo, .header-divider {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .header-left {
        width: 100%;
        justify-content: space-between;
        margin: 0 auto;
    }


    #languageDropdown {
        inset-inline-end: auto;
        inset-inline-start: 0px;
    }



    .nav-dropdown .dropdown {
        box-shadow: 0 2px 8px rgba(0,0,0,0.15);
        top: 0;
        inset-inline-start: 50%;
    }

    [dir="ltr"] .nav-dropdown img {
        transform: rotate(-90deg);
    }
    [dir="rtl"] .nav-dropdown img {
        transform: rotate(90deg);
    }

}


@media (max-width: 992px) {
}


@media (max-width: 567px) {

    header {
        width: 95%;
        padding: 0.8rem;
    }

        header.scrolled {
            padding: 0.5rem 0.8rem;
        }



    nav {
        padding: 40px 30px 20px;
    }
}