/*
 * Modern BBH navigation layer.
 * Deliberately scoped to the header/navigation and navigation transitions.
 * Existing page content/layout CSS is not changed here.
 */
:root {
    --bbh-nav-blue: #00a2e0;
    --bbh-nav-blue-dark: #0087bc;
    --bbh-nav-text: #26343d;
    --bbh-nav-muted: #66737c;
    --bbh-nav-surface: rgba(247, 249, 250, 0.92);
    --bbh-nav-border: rgba(38, 52, 61, 0.10);
    --bbh-nav-shadow: 0 14px 35px rgba(30, 50, 62, 0.12);
}

/* Header shell */
.site-header.bbh-modern-header {
    position: relative;
    z-index: 1000;
    align-items: center;
    gap: 28px;
    padding-top: 20px;
    padding-bottom: 20px;
}

.bbh-modern-header .site-branding {
    flex: 0 0 auto;
}

.bbh-modern-header .site-branding .site-logo img {
    display: block;
    max-height: 88px;
    width: auto;
    transition: transform 180ms ease, opacity 180ms ease;
}

.bbh-modern-header .custom-logo-link:hover img {
    transform: translateY(-1px);
    opacity: 0.94;
}

/* Desktop navigation */
.bbh-modern-navigation {
    margin-left: auto;
}

.bbh-modern-navigation .bbh-menu-toggle {
    display: none;
}

.bbh-modern-navigation > .menu-hauptmenue-container {
    position: static;
    display: block;
    margin: 0;
    padding: 5px;
    background: var(--bbh-nav-surface);
    border: 1px solid var(--bbh-nav-border);
    border-radius: 18px;
    box-shadow: 0 5px 18px rgba(30, 50, 62, 0.06);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.bbh-modern-navigation > div > ul.main-menu {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: flex-end;
    gap: 2px;
    margin: 0;
    padding: 0;
}

.bbh-modern-navigation > div > ul.main-menu > li {
    position: relative;
    display: block;
    width: auto;
    padding: 0;
}

.bbh-modern-navigation > div > ul.main-menu > li > a {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 42px;
    padding: 10px 13px;
    border-radius: 13px;
    color: var(--bbh-nav-text);
    font-size: 0.96rem;
    font-weight: 500;
    line-height: 1.15;
    text-decoration: none;
    white-space: nowrap;
    transition: color 160ms ease, background-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.bbh-modern-navigation > div > ul.main-menu > li > a:hover,
.bbh-modern-navigation > div > ul.main-menu > li > a:focus-visible {
    color: var(--bbh-nav-blue-dark);
    background: rgba(0, 162, 224, 0.09);
    text-decoration: none;
    transform: translateY(-1px);
}

.bbh-modern-navigation > div > ul.main-menu > li > a.active,
.bbh-modern-navigation > div > ul.main-menu > li:has(.sub-menu a.active) > a {
    color: #087da7;
    background: #ffffff;
    box-shadow: 0 3px 12px rgba(30, 50, 62, 0.09), inset 0 0 0 1px rgba(0, 162, 224, 0.10);
    font-weight: 700;
}

/* Products chevron */
.bbh-modern-navigation > div > ul.main-menu > li.bbh-products-menu > a.bbh-products-link::after {
    content: "";
    display: inline-block;
    width: 7px;
    height: 7px;
    margin: 0 0 0 8px;
    border: 0;
    border-right: 1.6px solid currentColor;
    border-bottom: 1.6px solid currentColor;
    transform: translateY(-2px) rotate(45deg);
    transition: transform 180ms ease;
}

.bbh-modern-navigation > div > ul.main-menu > li.bbh-products-menu:hover > a.bbh-products-link::after,
.bbh-modern-navigation > div > ul.main-menu > li.bbh-products-menu:focus-within > a.bbh-products-link::after {
    transform: translateY(2px) rotate(225deg);
}

/* Product dropdown */
.bbh-modern-navigation .bbh-products-menu > .sub-menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    z-index: 1002;
    display: grid;
    grid-template-columns: repeat(2, minmax(190px, 1fr));
    gap: 4px;
    width: 470px;
    margin: 0;
    padding: 10px;
    list-style: none;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid var(--bbh-nav-border);
    border-radius: 18px;
    box-shadow: var(--bbh-nav-shadow);
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, 8px) scale(0.985);
    transform-origin: top center;
    transition: opacity 160ms ease, transform 160ms ease, visibility 160ms linear;
}

.bbh-modern-navigation .bbh-products-menu > .sub-menu::before {
    content: "";
    position: absolute;
    top: -10px;
    left: 0;
    right: 0;
    height: 10px;
}

.bbh-modern-navigation .bbh-products-menu:hover > .sub-menu,
.bbh-modern-navigation .bbh-products-menu:focus-within > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0) scale(1);
}

.bbh-modern-navigation .sub-menu .menu-item {
    display: block;
    width: auto;
}

.bbh-modern-navigation .sub-menu .menu-item a {
    display: flex;
    align-items: center;
    min-height: 46px;
    padding: 10px 12px;
    border-radius: 11px;
    color: var(--bbh-nav-text);
    font-size: 0.90rem;
    line-height: 1.25;
    text-decoration: none;
    transition: color 150ms ease, background-color 150ms ease, transform 150ms ease;
}

.bbh-modern-navigation .sub-menu .menu-item a::before {
    content: "";
    width: 7px;
    height: 7px;
    margin-right: 10px;
    border-radius: 50%;
    background: rgba(0, 162, 224, 0.30);
    transition: background-color 150ms ease, transform 150ms ease;
}

.bbh-modern-navigation .sub-menu .menu-item a:hover,
.bbh-modern-navigation .sub-menu .menu-item a:focus-visible,
.bbh-modern-navigation .sub-menu .menu-item a.active {
    color: var(--bbh-nav-blue-dark);
    background: rgba(0, 162, 224, 0.08);
    text-decoration: none;
    transform: translateX(2px);
}

.bbh-modern-navigation .sub-menu .menu-item a:hover::before,
.bbh-modern-navigation .sub-menu .menu-item a:focus-visible::before,
.bbh-modern-navigation .sub-menu .menu-item a.active::before {
    background: var(--bbh-nav-blue);
    transform: scale(1.15);
}

/* Contact as a restrained CTA */
.bbh-modern-navigation > div > ul.main-menu > li.menu-item-contact > a {
    color: #ffffff;
    background: var(--bbh-nav-blue);
    box-shadow: 0 5px 14px rgba(0, 162, 224, 0.20);
}

.bbh-modern-navigation > div > ul.main-menu > li.menu-item-contact > a:hover,
.bbh-modern-navigation > div > ul.main-menu > li.menu-item-contact > a:focus-visible,
.bbh-modern-navigation > div > ul.main-menu > li.menu-item-contact > a.active {
    color: #ffffff;
    background: var(--bbh-nav-blue-dark);
    box-shadow: 0 7px 18px rgba(0, 162, 224, 0.26);
}

/* Keyboard focus */
.bbh-modern-navigation a:focus-visible,
.bbh-menu-toggle:focus-visible {
    outline: 3px solid rgba(0, 162, 224, 0.28);
    outline-offset: 2px;
}

/* Mobile menu */
@media only screen and (max-width: 899px) {
    .site-header.bbh-modern-header {
        gap: 16px;
        padding-top: 14px;
        padding-bottom: 14px;
    }

    .bbh-modern-header .site-branding .site-logo img {
        max-height: 72px;
    }

    .bbh-modern-navigation {
        position: static;
        margin-left: auto;
    }

    .bbh-modern-navigation .bbh-menu-toggle {
        display: inline-flex;
        align-items: center;
        gap: 9px;
        min-height: 44px;
        margin: 0;
        padding: 9px 13px;
        border: 1px solid var(--bbh-nav-border);
        border-radius: 13px;
        background: var(--bbh-nav-surface);
        color: var(--bbh-nav-text);
        box-shadow: 0 4px 14px rgba(30, 50, 62, 0.07);
        cursor: pointer;
        font-size: 0.92rem;
        font-weight: 700;
        line-height: 1;
        user-select: none;
        transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
    }

    .bbh-menu-toggle-bars {
        position: relative;
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 4px;
        width: 20px;
        height: 18px;
    }

    .bbh-menu-toggle-bars span {
        display: block;
        width: 20px;
        height: 2px;
        border-radius: 2px;
        background: currentColor;
        transition: transform 180ms ease, opacity 180ms ease;
    }

    .bbh-nav-toggle:checked + .bbh-menu-toggle {
        color: var(--bbh-nav-blue-dark);
        background: rgba(0, 162, 224, 0.08);
        border-color: rgba(0, 162, 224, 0.18);
    }

    .bbh-nav-toggle:checked + .bbh-menu-toggle .bbh-menu-toggle-bars span:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }

    .bbh-nav-toggle:checked + .bbh-menu-toggle .bbh-menu-toggle-bars span:nth-child(2) {
        opacity: 0;
    }

    .bbh-nav-toggle:checked + .bbh-menu-toggle .bbh-menu-toggle-bars span:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }

    .bbh-modern-navigation > .menu-hauptmenue-container {
        position: absolute;
        top: calc(100% - 4px);
        left: 16px;
        right: 16px;
        z-index: 1001;
        display: block;
        max-height: calc(100vh - 118px);
        margin: 0;
        padding: 8px;
        overflow-y: auto;
        border-radius: 18px;
        background: rgba(255, 255, 255, 0.985);
        border: 1px solid var(--bbh-nav-border);
        box-shadow: var(--bbh-nav-shadow);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px) scale(0.985);
        transform-origin: top right;
        transition: opacity 170ms ease, transform 170ms ease, visibility 170ms linear;
    }

    .bbh-nav-toggle:checked ~ .menu-hauptmenue-container {
        opacity: 1;
        visibility: visible;
        transform: translateY(0) scale(1);
    }

    .bbh-modern-navigation > div > ul.main-menu {
        display: block;
        margin: 0;
        padding: 0;
    }

    .bbh-modern-navigation > div > ul.main-menu > li {
        display: block;
        width: 100%;
        padding: 0;
    }

    .bbh-modern-navigation > div > ul.main-menu > li > a {
        width: 100%;
        min-height: 46px;
        padding: 11px 13px;
        border-radius: 11px;
    }

    .bbh-modern-navigation > div > ul.main-menu > li.bbh-products-menu > a.bbh-products-link::after {
        margin-left: auto;
    }

    .bbh-modern-navigation .bbh-products-menu > .sub-menu {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 3px;
        width: auto;
        margin: 3px 0 7px;
        padding: 6px;
        border: 0;
        border-radius: 13px;
        background: #f7f9fa;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        transition: none;
    }

    .bbh-modern-navigation .bbh-products-menu > .sub-menu::before {
        display: none;
    }

    .bbh-modern-navigation .sub-menu .menu-item a {
        min-height: 42px;
        padding: 8px 9px;
        font-size: 0.84rem;
    }

    .bbh-modern-navigation .sub-menu .menu-item a::before {
        width: 6px;
        height: 6px;
        margin-right: 7px;
        flex: 0 0 auto;
    }

    .bbh-modern-navigation > div > ul.main-menu > li.menu-item-contact > a {
        margin-top: 4px;
        justify-content: center;
    }
}

@media only screen and (max-width: 520px) {
    .bbh-modern-header .site-branding .site-logo img {
        max-height: 62px;
        max-width: 170px;
    }

    .bbh-menu-toggle-text {
        display: none;
    }

    .bbh-modern-navigation .bbh-menu-toggle {
        padding-left: 11px;
        padding-right: 11px;
    }

    .bbh-modern-navigation .bbh-products-menu > .sub-menu {
        grid-template-columns: 1fr;
    }
}

/* Smooth Blazor enhanced-navigation transitions. No layout values are changed. */
#main {
    transform-origin: 50% 0;
}

html.bbh-nav-leaving #main {
    opacity: 0.42;
    transform: translateY(3px);
    transition: opacity 110ms ease, transform 110ms ease;
}

#main.bbh-page-enter {
    animation: bbhPageEnter 360ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes bbhPageEnter {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .bbh-modern-header .site-branding .site-logo img,
    .bbh-modern-navigation *,
    html.bbh-nav-leaving #main,
    #main.bbh-page-enter {
        transition: none !important;
        animation: none !important;
        transform: none !important;
    }
}