/* B2B Engineering Header */
.gp-b2b-site-header {
    background-color: var(--gp-b2b-white);
    position: relative;
    z-index: 1000;
    width: 100%;
    top: 0;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--gp-b2b-border);
}

.gp-b2b-site-header.is-sticky {
    position: fixed;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid #eeeeee;
}

.gp-b2b-header-marker--label {
    position: absolute;
    top: 0;
    right: 20px;
    background: #212529;
    color: #fff;
    padding: 2px 8px;
    font-family: monospace;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 1px;
    z-index: 1002;
    transform: translateY(-50%);
}

.gp-b2b-header__inner {
    position: relative;
    padding: 0;
}

.gp-b2b-header__layout {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.gp-b2b-header__logo {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
}

.gp-b2b-header__logo a {
    display: block;
    line-height: 0;
}

.gp-b2b-header__logo-image {
    display: block;
    width: 148px;
    height: auto;
    max-width: 100%;
}

.gp-b2b-header__nav {
    flex: 1;
    display: flex;
    justify-content: center;
    height: 100%;
}

.gp-b2b-nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    height: 100%;
}

.gp-b2b-nav-item {
    position: relative;
    display: flex;
    align-items: center;
}

.gp-b2b-nav-item:not(:last-child)::after {
    content: "";
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 15px;
    width: 1px;
    background-color: #e2e8f0;
}

.gp-b2b-nav-link {
    font-family: "Inter", sans-serif;
    font-weight: 700;
    font-size: 14px;
    color: #212529;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0 25px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
    height: 100%;
    transition: color 0.3s ease;
}

.gp-b2b-nav-link:hover,
.gp-b2b-nav-link:focus-visible {
    color: var(--gp-b2b-primary);
}

.gp-b2b-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 15px;
    background: var(--gp-b2b-white);
    min-width: 200px;
    border: 1px solid var(--gp-b2b-border);
    border-top: 3px solid var(--gp-b2b-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    list-style: none;
    margin: 0;
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1001;
}

.gp-b2b-nav-item--dropdown:hover .gp-b2b-dropdown-menu,
.gp-b2b-nav-item--dropdown:focus-within .gp-b2b-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.gp-b2b-dropdown-menu li {
    margin: 0;
}

.gp-b2b-dropdown-menu a {
    display: block;
    padding: 12px 25px;
    font-family: "Inter", sans-serif;
    font-size: 14px;
    color: #212529;
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: background 0.3s ease, color 0.3s ease;
}

.gp-b2b-dropdown-menu a:hover,
.gp-b2b-dropdown-menu a:focus-visible {
    background: #f8f9fa;
    color: var(--gp-b2b-primary);
}

.gp-b2b-nav-item--has-mega {
    position: static;
}

.gp-b2b-mega-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin: 0 auto;
    width: 100%;
    max-width: 1200px;
    background-color: #f8fafc;
    background-image: linear-gradient(rgba(0, 77, 255, 0.05) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(0, 77, 255, 0.05) 1px, transparent 1px);
    background-size: 20px 20px;
    border: 1px solid var(--gp-b2b-border);
    border-top: 3px solid var(--gp-b2b-primary);
    border-radius: 0;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1001;
    padding: 20px;
    transform: translateY(10px);
}

.gp-b2b-nav-item--has-mega:hover .gp-b2b-mega-menu,
.gp-b2b-nav-item--has-mega:focus-within .gp-b2b-mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.gp-b2b-mega-menu__layout {
    display: grid;
    grid-template-columns: minmax(220px, 20%) minmax(0, 80%);
    gap: 0;
}

.gp-b2b-mega-menu__primary {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-right: 30px;
    border-right: 1px solid #e2e8f0;
}

.gp-b2b-mega-category {
    display: flex;
    align-items: center;
    gap: 14px;
    width: 100%;
    padding: 12px 14px;
    text-decoration: none;
    border: 1px solid transparent;
    background-color: transparent !important;
    cursor: pointer;
    appearance: none;
    text-align: left;
    border-radius: 0;
    transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
    outline: none !important;
}

.gp-b2b-mega-category:hover,
.gp-b2b-mega-category:focus-visible,
.gp-b2b-mega-category.is-active {
    background-color: rgba(0, 77, 255, 0.05) !important;
    border-color: rgba(0, 77, 255, 0.25) !important;
    transform: translateX(2px);
}

.gp-b2b-mega-category__body {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.gp-b2b-mega-panel__header {
    margin-bottom: 18px;
}

.gp-b2b-mega-category__body strong {
    color: #1f2937;
    font-family: "Inter", sans-serif;
    font-size: 14px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.gp-b2b-mega-menu__secondary {
    min-width: 0;
}

.gp-b2b-mega-panel {
    display: none;
    min-width: 0;
    padding-left: 30px;
}

.gp-b2b-mega-panel.is-active {
    display: block;
}

.gp-b2b-mega-panel__title {
    margin: 0;
    font-size: 18px;
    line-height: 1.1;
}

.gp-b2b-mega-panel__title a {
    color: #111827;
    text-decoration: none;
}

.gp-b2b-mega-panel__title a:hover,
.gp-b2b-mega-panel__title a:focus-visible {
    color: var(--gp-b2b-primary);
}

.gp-b2b-mega-panel__copy {
    margin: 0;
    color: #64748b;
    font-size: 13px;
    line-height: 1.6;
}

.gp-b2b-mega-family-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    max-height: none;
    overflow-y: visible;
    padding-right: 0;
    padding-bottom: 8px;
}

.gp-b2b-mega-family {
    display: flex;
    align-items: center;
    padding: 10px 14px;
    text-decoration: none;
    border: 1px solid #e2e8f0;
    background: #fff;
    border-radius: 0;
    transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.gp-b2b-mega-family:hover,
.gp-b2b-mega-family:focus-visible {
    border-color: rgba(0, 77, 255, 0.35);
    background: #f8fbff;
    transform: translateY(-1px);
}

.gp-b2b-mega-family.is-current {
    border-color: var(--gp-b2b-primary);
    background: rgba(0, 77, 255, 0.05);
}

.gp-b2b-mega-family strong {
    color: #111827;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.4px;
    font-family: "Inter", sans-serif;
    display: block;
    width: 100%;
}


.gp-b2b-mega-family-list__empty {
    grid-column: 1 / -1;
}

.gp-b2b-mega-family-list__empty p {
    color: #64748b;
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

.gp-b2b-mega-menu__fallback {
    color: #64748b;
    font-size: 14px;
}

.gp-b2b-header__cta {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
}

.gp-b2b-header-cta-btn {
    font-size: 14px;
    padding: 12px 24px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 800;
}

@media (max-width: 1024px) {
    .gp-b2b-header__layout {
        height: 72px;
    }

    .gp-b2b-header__logo-image {
        width: 138px;
    }

    .gp-b2b-nav-link {
        padding: 0 18px;
    }

    .gp-b2b-mega-menu {
        padding: 22px;
    }

    .gp-b2b-mega-menu__layout {
        grid-template-columns: minmax(220px, 260px) minmax(0, 1fr);
        gap: 20px;
    }

    .gp-b2b-mega-family-list {
        max-height: 280px;
    }
}

@media (max-width: 860px) {
    .gp-b2b-header__cta {
        display: none;
    }

    .gp-b2b-header__logo-image {
        width: 126px;
    }

    .gp-b2b-nav-link {
        padding: 0 14px;
        font-size: 13px;
    }

    .gp-b2b-mega-menu {
        max-width: calc(100vw - 24px);
    }

    .gp-b2b-mega-menu__layout {
        grid-template-columns: 1fr;
    }

    .gp-b2b-mega-menu__primary {
        padding-right: 0;
        padding-bottom: 16px;
        border-right: 0;
        border-bottom: 1px solid #e2e8f0;
    }

    .gp-b2b-mega-family-list {
        max-height: none;
        overflow-y: visible;
        padding-right: 0;
        padding-bottom: 0;
    }
}