.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--color-border);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 7px 24px rgba(36, 48, 60, 0.08);
    backdrop-filter: blur(10px);
}

.header-main {
    display: grid;
    min-height: 94px;
    align-items: center;
    grid-template-columns: 230px minmax(0, 1fr) auto;
    gap: 28px;
}

.site-logo {
    display: flex;
    min-width: 0;
    align-items: center;
}

    .site-logo img {
        display: block;
        width: 100%;
        max-width: 220px;
        height: 58px;
        object-fit: contain;
        object-position: left center;
    }

.main-navigation {
    display: flex;
    min-width: 0;
    align-items: center;
    justify-content: center;
    gap: 22px;
}

    .main-navigation a {
        position: relative;
        display: inline-flex;
        min-height: 44px;
        align-items: center;
        padding: 9px 0;
        color: var(--color-dark);
        font-size: 13px;
        font-weight: 700;
        line-height: 1.25;
        text-align: center;
        white-space: nowrap;
        transition: color 0.2s ease, background-color 0.2s ease;
    }

        .main-navigation a::after {
            position: absolute;
            right: 0;
            bottom: 5px;
            left: 0;
            height: 2px;
            background: var(--color-primary);
            content: "";
            transform: scaleX(0);
            transform-origin: center;
            transition: transform 0.2s ease;
        }

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

            .main-navigation a:hover::after,
            .main-navigation a:focus-visible::after {
                transform: scaleX(1);
            }

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

.header-cart {
    position: relative;
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 10px 15px;
    border: 1px solid var(--color-primary-dark);
    border-radius: 3px;
    background: var(--color-primary-dark);
    color: #ffffff;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

    .header-cart:hover {
        border-color: var(--color-dark);
        background: var(--color-dark);
        transform: translateY(-1px);
    }

.header-cart-icon {
    display: grid;
    place-items: center;
}

.header-cart-label {
    font-size: 14px;
    font-weight: 700;
}

.cart-count {
    display: grid;
    min-width: 24px;
    height: 24px;
    place-items: center;
    padding: 0 6px;
    border-radius: 999px;
    background: #ffffff;
    color: var(--color-primary-dark);
    font-size: 12px;
    font-weight: 800;
}

.nav-toggle {
    display: none;
    width: 48px;
    height: 48px;
    padding: 11px;
    border: 1px solid var(--color-border);
    border-radius: 3px;
    background: #ffffff;
    cursor: pointer;
}

    .nav-toggle span {
        display: block;
        width: 100%;
        height: 2px;
        margin: 5px 0;
        background: var(--color-dark);
        transition: transform 0.2s ease, opacity 0.2s ease;
    }

.site-main {
    min-height: 60vh;
}