/*
=========================================================
Header
=========================================================
*/

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;

    background-color: rgba(255, 255, 255, .96);
    box-shadow: var(--shadow-sm);

    backdrop-filter: blur(12px);
}

.site-header__inner {
    min-height: 108px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: var(--space-xl);
}

.site-header__brand {
    display: inline-flex;
    align-items: center;

    gap: var(--space-md);

    flex-shrink: 0;
}

.site-header__sun {
    display: block;

    width: 82px;
    height: 82px;

    object-fit: contain;

    transition:
        transform var(--transition-fast),
        filter var(--transition-fast);
}

.site-header__brand:hover .site-header__sun {
    transform: scale(1.05);
    filter: saturate(1.08);
}

.site-header__brand-text {
    display: flex;
    flex-direction: column;

    gap: 2px;
}

.site-header__brand-text p {
    margin: 0;
}

.site-header__brand-kz {
    color: var(--color-primary-strong);

    font-size: .84rem;
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
}

.site-header__brand-name {
    color: var(--color-text);

    font-size: 1.2rem;
    font-weight: var(--font-weight-semibold);
    line-height: 1.1;
}

.site-header__brand-name strong {
    color: var(--color-primary-strong);

    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
}

.site-header__brand-ru {
    color: var(--color-accent);

    font-size: .84rem;
    font-weight: var(--font-weight-semibold);
    line-height: 1.2;
}

.site-header__brand:focus-visible {
    outline: 3px solid var(--color-warning);
    outline-offset: 4px;

    border-radius: var(--radius-sm);
}

@media (max-width: 1199.98px) {
    .site-header__sun {
        width: 74px;
        height: 74px;
    }

    .site-header__brand-kz {
        font-size: .74rem;
    }

    .site-header__brand-name {
        font-size: 1.1rem;
    }

    .site-header__brand-name strong {
        font-size: 1.35rem;
    }
}

@media (max-width: 991.98px) {
    .site-header__inner {
        min-height: 88px;
    }

    .site-header__sun {
        width: 64px;
        height: 64px;
    }

    .site-header__brand-kz,
    .site-header__brand-ru {
        display: none;
    }

    .site-header__brand-name {
        font-size: 1rem;
    }

    .site-header__brand-name strong {
        font-size: 1.2rem;
    }
}

@media (max-width: 575.98px) {
    .site-header__inner {
        min-height: 76px;
    }

    .site-header__sun {
        width: 54px;
        height: 54px;
    }

    .site-header__brand {
        gap: var(--space-sm);
    }

    .site-header__brand-name {
        font-size: .9rem;
    }

    .site-header__brand-name strong {
        font-size: 1.1rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .site-header__sun {
        transition: none;
    }

    .site-header__brand:hover .site-header__sun {
        transform: none;
    }
}
/*
=========================================================
Mobile navigation toggle
=========================================================
*/

.site-nav-toggle {
    display: none;

    width: 48px;
    height: 48px;

    padding: 0;

    border: 1px solid rgba(77, 181, 247, .28);
    border-radius: var(--radius-md);

    background-color: rgba(239, 249, 255, .94);

    box-shadow: 0 6px 18px rgba(77, 181, 247, .12);

    cursor: pointer;
}

.site-nav-toggle__line {
    display: block;

    width: 22px;
    height: 2px;

    margin: 4px auto;

    border-radius: var(--radius-round);

    background-color: var(--color-text);

    transition:
        transform var(--transition-fast),
        opacity var(--transition-fast),
        background-color var(--transition-fast);
}

.site-nav-toggle:hover .site-nav-toggle__line {
    background-color: var(--color-primary-hover);
}

.site-nav-toggle:focus-visible {
    outline: 3px solid var(--color-warning);
    outline-offset: 3px;
}

.site-nav-toggle[aria-expanded="true"] .site-nav-toggle__line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.site-nav-toggle[aria-expanded="true"] .site-nav-toggle__line:nth-child(2) {
    opacity: 0;
}

.site-nav-toggle[aria-expanded="true"] .site-nav-toggle__line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 991.98px) {
    .site-header__inner {
        position: relative;
    }

    .site-nav-toggle {
        display: block;
        flex-shrink: 0;
    }
}

@media (max-width: 575.98px) {
    .site-nav-toggle {
        width: 44px;
        height: 44px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .site-nav-toggle__line {
        transition: none;
    }
}