.products-header {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.products-header__inner {
    max-width: 1350px;
    margin: 0 auto;
    padding: 16px 32px;
    min-height: 80px;
    display: flex;
    flex-direction: row-reverse;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}

.products-header__nav .header-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 4px 8px;
}

.products-header__nav .header-menu li a {
    display: inline-flex;
    align-items: center;
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.products-header__nav .header-menu li a:hover {
    color: var(--color-text-primary);
    background: var(--color-border-light);
}

.products-header__nav .header-menu li a.current,
.products-header__nav .header-menu li.current-menu-item a {
    color: var(--color-white);
    background: var(--color-accent);
}

.products-header__nav .header-menu li {
    position: relative;
}

.products-header__nav .header-menu li.has-dropdown > a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.products-header__nav .header-menu li.has-dropdown > a .dropdown-arrow {
    width: 14px;
    height: 14px;
    transition: transform var(--transition-fast);
}

.products-header__nav .header-menu li.has-dropdown:hover > a .dropdown-arrow {
    transform: rotate(180deg);
}

.products-header__nav .header-menu__dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(12px);
    min-width: 320px;
    max-width: 520px;
    width: max-content;
    background: var(--color-white);
    border-radius: 12px;
    box-shadow:
        0 4px 6px -1px rgba(0, 0, 0, 0.05),
        0 20px 40px -8px rgba(0, 0, 0, 0.12),
        0 0 0 1px rgba(0, 0, 0, 0.04);
    padding: 20px 24px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition:
        opacity 0.25s ease,
        visibility 0.25s ease,
        transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1000;
    list-style: none;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 6px 24px;
}

.products-header__nav .header-menu__dropdown::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    background: var(--color-white);
    border-radius: 3px;
    transform: translateX(-50%) rotate(45deg);
    box-shadow: -2px -2px 4px rgba(0, 0, 0, 0.03);
    z-index: -1;
}

.products-header__nav .header-menu li.has-dropdown:hover > .header-menu__dropdown,
.products-header__nav .header-menu li.has-dropdown:focus-within > .header-menu__dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.products-header__nav .header-menu li.has-dropdown::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 16px;
    background: transparent;
}

.products-header__nav .header-menu__dropdown li {
    margin: 0;
}

.products-header__nav .header-menu__dropdown li a {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    white-space: nowrap;
    border-radius: 8px;
    border-left: 3px solid transparent;
    transition:
        color var(--transition-fast),
        background-color var(--transition-fast),
        border-color var(--transition-fast),
        transform var(--transition-fast);
    position: relative;
}

.products-header__nav .header-menu__dropdown li a:hover {
    color: var(--color-accent);
    background: var(--color-accent-light);
    border-left-color: var(--color-accent);
    transform: translateX(2px);
}

.products-header__nav .header-menu__dropdown li.current-menu-item a {
    color: var(--color-accent);
    background: var(--color-accent-light);
    border-left-color: var(--color-accent);
    font-weight: 600;
}

.products-header__nav .header-menu__dropdown.megamenu--single-col {
    min-width: 240px;
    max-width: 280px;
    grid-template-columns: 1fr;
}

.products-header__nav .header-menu__dropdown.megamenu--two-col {
    min-width: 380px;
    max-width: 480px;
    grid-template-columns: repeat(2, 1fr);
}

.products-header__nav .header-menu__dropdown.megamenu--three-col {
    min-width: 480px;
    max-width: 600px;
    grid-template-columns: repeat(3, 1fr);
}

.products-header--transparent .header-menu__dropdown {
    background: var(--color-white);
}

.products-header--transparent .header-menu__dropdown::before {
    background: var(--color-white);
}

.products-header--transparent .header-menu__dropdown li a {
    color: var(--color-text-secondary);
}

.products-header--transparent .header-menu__dropdown li a:hover {
    color: var(--color-accent);
    background: var(--color-accent-light);
    border-left-color: var(--color-accent);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 110;
}

.mobile-menu-toggle__bar {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.products-header--transparent .mobile-menu-toggle__bar {
    background: rgba(255, 255, 255, 0.9);
}

.products-header--transparent.products-header--light .mobile-menu-toggle__bar {
    background: var(--color-text-primary);
}

.mobile-menu-toggle.is-active .mobile-menu-toggle__bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.is-active .mobile-menu-toggle__bar:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.is-active .mobile-menu-toggle__bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all var(--transition-base);
    z-index: 90;
}

.mobile-menu-overlay.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.products-header__logo a {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.products-header__logo .custom-logo {
    max-height: 50px;
    width: auto;
    object-fit: contain;
}

.products-header__logo .site-name {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
    transition: color var(--transition-fast);
}

.products-header__logo .site-name:hover {
    color: var(--color-accent);
}

.products-header--transparent {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background: transparent;
    border-bottom: none;
    z-index: 100;
}

.products-header--transparent .header-menu li a {
    color: rgba(255, 255, 255, 0.85);
}

.products-header--transparent .header-menu li a:hover {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.15);
}

.products-header--transparent .header-menu li a.current,
.products-header--transparent .header-menu li.current-menu-item a {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.2);
}

.products-header--transparent .site-name {
    color: var(--color-white);
}

.products-header--transparent .site-name:hover {
    color: rgba(255, 255, 255, 0.8);
}

.products-header--transparent .custom-logo {
    filter: brightness(0) invert(1);
}

.products-header--transparent.products-header--light .header-menu li a {
    color: var(--color-text-secondary);
}

.products-header--transparent.products-header--light .header-menu li a:hover {
    color: var(--color-text-primary);
    background: rgba(0, 0, 0, 0.05);
}

.products-header--transparent.products-header--light .header-menu li a.current,
.products-header--transparent.products-header--light .header-menu li.current-menu-item a {
    color: var(--color-white);
    background: var(--color-accent);
}

.products-header--transparent.products-header--light .site-name {
    color: var(--color-text-primary);
}

.products-header--transparent.products-header--light .site-name:hover {
    color: var(--color-accent);
}

.products-header--transparent.products-header--light .custom-logo {
    filter: none;
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .products-header__nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-white);
        box-shadow: var(--shadow-lg);
        z-index: 100;
        transition: right var(--transition-base);
        overflow-y: auto;
        padding: 80px 0 32px;
    }

    .products-header__nav.is-open {
        right: 0;
    }

    .products-header__nav .header-menu {
        flex-direction: column;
        gap: 0;
        padding: 0;
    }

    .products-header__nav .header-menu li {
        border-bottom: 1px solid var(--color-border-light);
    }

    .products-header__nav .header-menu li a {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 16px 24px;
        font-size: 15px;
        color: var(--color-text-primary);
        background: transparent;
        border-radius: 0;
    }

    .products-header__nav .header-menu li a:hover,
    .products-header__nav .header-menu li.current-menu-item a {
        color: var(--color-accent);
        background: var(--color-accent-light);
    }

    .products-header__nav .header-menu__dropdown {
        position: static;
        transform: none;
        min-width: 100%;
        max-width: 100%;
        width: 100%;
        background: var(--color-bg);
        border-radius: 0;
        box-shadow: none;
        border: none;
        border-top: 1px solid var(--color-border-light);
        padding: 0;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-base);
        display: flex;
        flex-direction: column;
        gap: 0;
    }

    .products-header__nav .header-menu__dropdown::before {
        display: none;
    }

    .products-header__nav .header-menu li.has-dropdown::after {
        display: none;
    }

    .products-header__nav .header-menu li.has-dropdown.dropdown-open > .header-menu__dropdown {
        max-height: 500px;
    }

    .products-header__nav .header-menu__dropdown li a {
        padding: 14px 24px 14px 40px;
        font-size: 14px;
        border-left: none;
        border-radius: 0;
    }

    .products-header__nav .header-menu__dropdown li a:hover {
        transform: none;
    }

    .products-header__nav .header-menu li.has-dropdown > a .dropdown-arrow {
        transition: transform var(--transition-fast);
    }

    .products-header__nav .header-menu li.has-dropdown.dropdown-open > a .dropdown-arrow {
        transform: rotate(180deg);
    }

    .products-header--transparent .products-header__nav,
    .products-header--transparent.products-header--light .products-header__nav {
        background: var(--color-white);
    }

    .products-header--transparent .products-header__nav .header-menu li a,
    .products-header--transparent.products-header--light .products-header__nav .header-menu li a {
        color: var(--color-text-primary);
    }

    .products-header__inner {
        height: 70px;
        padding: 0 20px;
    }

    .products-header__logo .custom-logo {
        max-height: 40px;
    }

    .products-header__logo .site-name {
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .products-header__inner {
        height: 60px;
        padding: 0 16px;
    }

    .products-header__nav .header-menu li a {
        padding: 6px 10px;
        font-size: 13px;
    }
}