.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(248, 244, 235, 0.96);
    border-bottom: 1px solid rgba(31, 41, 55, 0.1);
    backdrop-filter: blur(10px);
}

.header-inner {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.site-navigation {
    display: flex;
    align-items: center;
    gap: 24px;
}

.site-navigation a {
    color: var(--color-text);
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
}

.site-navigation a:hover,
.site-navigation a:focus-visible {
    color: var(--color-primary-dark);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.mobile-menu-button {
    display: none;
    width: 46px;
    height: 46px;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-small);
    background: var(--color-surface);
    color: var(--color-text);
    cursor: pointer;
}

.mobile-menu-button svg {
    width: 24px;
    height: 24px;
}

.site-footer {
    padding: 42px 0 28px;
    border-top: 1px solid var(--color-border);
}

.footer-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 40px;
}

.footer-description {
    max-width: 440px;
    margin-top: 12px;
    color: var(--color-text-soft);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
}

.footer-links a {
    color: var(--color-text-soft);
    font-weight: 700;
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--color-primary-dark);
}

.footer-bottom {
    margin-top: 34px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-soft);
    font-size: 14px;
}

@media (max-width: 1050px) {
    .site-navigation {
        gap: 16px;
    }
}

@media (max-width: 900px) {
    .site-navigation,
    .header-actions {
        display: none;
    }

    .mobile-menu-button {
        display: inline-flex;
    }

    .site-header.is-menu-open .site-navigation,
    .site-header.is-menu-open .header-actions {
        display: flex;
    }

    .site-header.is-menu-open .header-inner {
        flex-wrap: wrap;
        padding: 14px 0;
    }

    .site-header.is-menu-open .site-navigation {
        order: 3;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding-top: 10px;
    }

    .site-header.is-menu-open .site-navigation a {
        padding: 12px 0;
        border-top: 1px solid var(--color-border);
    }

    .site-header.is-menu-open .header-actions {
        order: 4;
        width: 100%;
    }
}

@media (max-width: 650px) {
    .footer-top {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .header-inner {
        min-height: 68px;
    }

    .site-logo {
        white-space: nowrap;
    }

    .footer-links {
        flex-direction: column;
        gap: 10px;
    }
}