.site-header {
    position: relative;
    z-index: 100;
    border-bottom: 1px solid #d8e1df;
    background-color: #ffffff;
}

.site-nav {
    display: flex;
    align-items: center;
    width: min(100%, 1440px);
    margin: 0 auto;
    padding: 0.8rem 1.5rem;
    gap: 2rem;
}

.site-brand {
    display: inline-flex;
    flex: 0 0 auto;
}

.navbar-logo__image {
    display: block;
    width: auto;
    max-width: 16.5rem;
    height: auto;
    max-height: 4.5rem;
}

.nav-menu {
    flex: 1 1 auto;
}

.nav-menu__toggle {
    display: none;
}

.nav-menu__content {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 1.5rem;
}

.nav-links {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: clamp(0.8rem, 2vw, 1.8rem);
}

.nav-links > a,
.nav-action__button {
    color: var(--TA-color);
    font-size: 0.95rem;
    font-weight: 700;
    white-space: nowrap;
}

.nav-links > a:hover,
.nav-action__button:hover {
    text-decoration: underline;
    text-underline-offset: 0.3rem;
    transform: none;
}

.nav-links > a[aria-current="page"] {
    text-decoration: underline;
    text-decoration-thickness: 0.16rem;
    text-underline-offset: 0.38rem;
}

.nav-register {
    padding: 0.65rem 1rem;
    border-radius: 999px;
    background-color: var(--TA-color-ydd);
}

.nav-register:hover {
    background-color: var(--TA-color-yd);
    text-decoration: none !important;
}

.nav-links .nav-school {
    padding: 0.55rem 0.75rem;
    border: 0;
    border-radius: 0.7rem;
    background: #fdb84d;
    color: #183c3b;
}

.nav-links .nav-school:hover {
    background: #eea437;
    text-decoration: none;
}

.nav-action {
    margin: 0;
}

.nav-action__button {
    min-width: 0;
    min-height: 0;
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    transform: none;
}

.language-switcher {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    gap: 0.2rem;
    margin: 0;
    padding: 0.2rem;
    border-radius: 999px;
    background-color: #eef2f1;
}

.language-switcher__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
    min-height: 0;
    margin: 0;
    padding: 0.4rem 0.65rem;
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: var(--TA-color);
    font: inherit;
    font-size: 0.8rem;
    font-weight: 750;
    text-decoration: none;
    transform: none;
}

.language-switcher__button:hover {
    background-color: #dfe7e5;
    transform: none;
}

.language-switcher__button--active {
    background-color: #ffffff;
    box-shadow: 0 1px 5px rgba(30, 50, 50, 0.18);
}

.language-switcher__separator {
    width: 1px;
    height: 1rem;
    background-color: #8da09d;
}

.nav-links a:focus-visible,
.nav-action__button:focus-visible,
.language-switcher__button:focus-visible,
.nav-menu__toggle:focus-visible {
    outline: 3px solid #0b6f91;
    outline-offset: 4px;
}

@media (max-width: 1400px) {
    .site-nav {
        position: relative;
        flex-wrap: nowrap;
        padding: 0.65rem 1rem;
        gap: 1rem;
    }

    .navbar-logo__image {
        max-width: 52vw;
        max-height: 3.5rem;
    }

    .nav-menu {
        margin-left: auto;
    }

    .nav-menu__toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: fit-content;
        margin-left: auto;
        padding: 0.6rem 0.85rem;
        gap: 0.7rem;
        border: 1px solid #b8c6c3;
        border-radius: 999px;
        color: var(--TA-color);
        font-weight: 750;
        cursor: pointer;
        list-style: none;
    }

    .nav-menu__toggle::-webkit-details-marker {
        display: none;
    }

    .nav-menu__icon,
    .nav-menu__icon::before,
    .nav-menu__icon::after {
        display: block;
        width: 1.1rem;
        height: 2px;
        border-radius: 2px;
        background-color: currentColor;
        transition: transform 0.2s ease;
    }

    .nav-menu__icon {
        position: relative;
    }

    .nav-menu__icon::before,
    .nav-menu__icon::after {
        position: absolute;
        left: 0;
        content: "";
    }

    .nav-menu__icon::before {
        top: -5px;
    }

    .nav-menu__icon::after {
        top: 5px;
    }

    .nav-menu[open] .nav-menu__icon {
        background-color: transparent;
    }

    .nav-menu[open] .nav-menu__icon::before {
        top: 0;
        transform: rotate(45deg);
    }

    .nav-menu[open] .nav-menu__icon::after {
        top: 0;
        transform: rotate(-45deg);
    }

    .nav-menu__content {
        display: none;
        position: absolute;
        top: calc(100% + 0.55rem);
        right: 1rem;
        left: 1rem;
        flex-direction: column;
        align-items: stretch;
        margin: 0;
        padding: 0.85rem;
        border: 1px solid #d8e1df;
        border-radius: 1rem;
        background-color: #ffffff;
        box-shadow: 0 18px 45px rgba(30, 50, 50, 0.18);
        max-height: calc(100vh - 6.5rem);
        overflow-y: auto;
        gap: 1rem;
    }

    .nav-menu[open] .nav-menu__content {
        display: flex;
    }

    .nav-links {
        flex-direction: column;
        align-items: stretch;
        gap: 0.2rem;
    }

    .nav-links > a,
.nav-action__button {
        display: block;
        width: 100%;
        padding: 0.75rem;
        text-align: center;
    }

    .nav-register {
        border-radius: 0.75rem;
    }

    .language-switcher {
        align-self: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    .nav-menu__icon,
    .nav-menu__icon::before,
    .nav-menu__icon::after {
        transition: none;
    }
}
.nav-links .nav-admin {
    color: #0b6f91;
}