.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgb(255 255 255 / 92%);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(0.75rem);
}

.site-header__inner {
    display: flex;
    align-items: center;
    min-height: 5rem;
    gap: 2rem;
}

.site-logo {
    flex-shrink: 0;
    color: var(--color-primary-dark);
    font-size: 1.65rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.site-navigation {
    display: flex;
    align-items: center;
    gap: 1.75rem;
    margin-left: auto;
    font-size: 1.2em;
}

    .site-navigation a {
        color: var(--color-text-muted);
        font-weight: 600;
        transition: color var(--transition-default);
    }

        .site-navigation a:hover {
            color: var(--color-primary);
        }

.site-header__button {
    flex-shrink: 0;
}

.mobile-menu-button {
    display: none;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0.65rem;
    border: 0;
    border-radius: 0.75rem;
    color: var(--color-primary-dark);
    background-color: transparent;
    cursor: pointer;
}

    .mobile-menu-button:hover {
        background-color: var(--color-background);
    }

.mobile-menu-button__line {
    display: block;
    width: 100%;
    height: 2px;
    margin-block: 0.3rem;
    border-radius: 999px;
    background-color: currentColor;
    transition: transform var(--transition-default), opacity var(--transition-default);
}

.mobile-navigation {
    display: none;
}

.mobile-menu-button.is-open
.mobile-menu-button__line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-button.is-open
.mobile-menu-button__line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-button.is-open
.mobile-menu-button__line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.language-switcher--container {
    margin-left: auto;
}

.language-switcher--desktop {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

    .language-switcher--desktop a {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 2.25rem;
        height: 2.25rem;
        padding: 0 0.5rem;
        border-radius: 0.5rem;
        color: var(--color-text-muted);
        font-size: 0.8125rem;
        font-weight: 600;
        text-decoration: none;
        transition: color 150ms ease, background-color 150ms ease;
    }

        .language-switcher--desktop a:hover {
            color: var(--color-primary);
            background-color: var(--color-background);
        }

        .language-switcher--desktop a.is-active {
            color: var(--color-surface);
            background-color: var(--color-primary);
        }

.language-dropdown {
    position: relative;
    display: none;
    margin-left: auto;
}

.language-dropdown__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    min-width: 3.5rem;
    height: 2.75rem;
    padding-inline: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    color: var(--color-primary-dark);
    background-color: var(--color-surface);
    font-size: 0.8125rem;
    font-weight: 700;
    cursor: pointer;
}

.language-dropdown__menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    z-index: 110;
    display: none;
    min-width: 5rem;
    padding: 0.4rem;
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    background-color: var(--color-surface);
    box-shadow: var(--shadow-small);
}

    .language-dropdown__menu.is-open {
        display: grid;
    }

    .language-dropdown__menu a {
        display: flex;
        justify-content: center;
        padding: 0.6rem 0.75rem;
        border-radius: 0.5rem;
        color: var(--color-text-muted);
        font-size: 0.8125rem;
        font-weight: 700;
    }

        .language-dropdown__menu a:hover {
            color: var(--color-primary);
            background-color: var(--color-background);
        }

        .language-dropdown__menu a.is-active {
            color: white;
            background-color: var(--color-primary);
        }
@media (max-width: 800px) {
    .site-navigation {
        display: none;
    }

    .language-switcher {
        margin-left: auto;
    }

    .site-header__button {
        margin-left: auto;
    }

    .mobile-menu-button {
        display: block;
        flex-shrink: 0;
    }

    body.mobile-menu-open {
        overflow: hidden;
    }

    .mobile-navigation {
        display: none;
        padding: 0 var(--container-padding) 1.25rem;
        background-color: rgb(255 255 255 / 98%);
        border-top: 1px solid var(--color-border);
        box-shadow: var(--shadow-small);
    }

        .mobile-navigation.is-open {
            display: block;
        }

    .mobile-navigation__links {
        display: flex;
        flex-direction: column;
    }

        .mobile-navigation__links a {
            padding-block: 1rem;
            color: var(--color-text);
            font-weight: 600;
            border-bottom: 1px solid var(--color-border);
        }

            .mobile-navigation__links a:hover {
                color: var(--color-primary);
            }

    .mobile-navigation__button {
        width: 100%;
        margin-top: 1.25rem;
    }

    .language-switcher--desktop {
        display: none;
    }

    .language-dropdown {
        display: block;
    }
}

@media (max-width: 480px) {
    .site-header__inner {
        min-height: 4.5rem;
        gap: 0.6rem;
    }

    .site-logo {
        font-size: 1rem;
    }

    .site-header__button {
        min-height: 2.5rem;
        padding-inline: 0.8rem;
        font-size: 0.75rem;
        display: none;
    }

    .language-switcher__link {
        min-width: 1.8rem;
        padding-inline: 0.35rem;
        font-size: 0.7rem;
    }
}