/**
 * Header — brand left · nav centered · language + Book Now right
 */

#ba-header {
    background: color-mix(in srgb, var(--color-header) 94%, transparent);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow 0.25s ease;
}

/* Shadow only once the page is scrolled — set via js/main.js */
#ba-header.is-scrolled {
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.28);
}

#ba-header .navbar {
    min-height: 100px;
}

#ba-header .ba-site-name {
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    line-height: 1.3;
}

#ba-header .ba-site-name small {
    font-weight: 400;
    font-size: 0.85rem;
    opacity: 0.85;
}

/* ── Nav links ────────────────────────────────────────────────────────────── */

#ba-header .nav-link {
    position: relative;
    color: rgba(255, 255, 255, 0.9) !important;
    font-size: 0.95rem;
    padding: 0.5rem 0.75rem;
    white-space: nowrap;
    transition: color 0.2s;
}

#ba-header .nav-link:hover,
#ba-header .nav-link.active {
    color: var(--color-primary) !important;
}

/* Current-page indicator — small underline bar (desktop only) */
@media (min-width: 992px) {
    #ba-header .nav-link.active::after {
        content: '';
        position: absolute;
        left: 0.75rem;
        right: 0.75rem;
        bottom: 0.1rem;
        height: 2px;
        border-radius: 2px;
        background: var(--color-primary);
    }
}

#ba-header .dropdown-menu {
    min-width: 15rem;
    padding: 0.5rem 0;
    background: var(--color-header);
    border: none;
    border-radius: 0 0 8px 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

#ba-header .dropdown-item {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
}

#ba-header .dropdown-item:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-primary);
}

#ba-header .navbar-toggler {
    border-color: rgba(255, 255, 255, 0.4);
}

#ba-header .navbar-toggler-icon {
    filter: invert(1);
}

/* ── Right tool group: language switcher + booking CTA ───────────────────── */

.ba-header-tools {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.ba-header-cta {
    --bs-btn-padding-y: 0.55rem;
    --bs-btn-padding-x: 1.4rem;
    --bs-btn-font-size: 0.875rem;
    white-space: nowrap;
}

/* CTA compact between 992–1199px — desktop nav visible, button needs to fit */
@media (min-width: 992px) and (max-width: 1199.98px) {
    .ba-header-cta {
        --bs-btn-padding-x: 1rem;
        --bs-btn-padding-y: 0.45rem;
        --bs-btn-font-size: 0.78rem;
    }
}

@media (max-width: 991.98px) {
    .ba-header-tools {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
        padding: 0.75rem 0 1rem;
    }

    .ba-header-cta {
        --bs-btn-padding-y: 0.75rem;
        text-align: center;
    }

    /* Tighter nav links on small phones */
    #ba-header .nav-link {
        font-size: 0.88rem;
        padding: 0.6rem 0;
    }

    .ba-lang__current {
        padding: 0.4rem 0.5rem;
        font-size: 0.72rem;
    }
}

/* Disable backdrop-filter on low-end mobile for scrolling performance */
@media (max-width: 767.98px) {
    #ba-header {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background: var(--color-header);
    }
}

/* ── Mobile full-screen overlay menu ──────────────────────────────────── */

@media (max-width: 991.98px) {
    /* Overlay covers full viewport when nav is open — no transition */
    #ba-nav.show,
    #ba-nav.collapsing {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 1050;
        background: var(--color-header);
        display: flex !important;
        flex-direction: column;
        padding: 5rem 1.5rem 1.5rem;
        overflow-y: auto;
    }

    /* Kill Bootstrap's collapse height animation — overlay is instant */
    #ba-nav {
        transition: none !important;
    }

    /* Hide brand logo + name when overlay is open */
    #ba-header.is-menu-open .navbar-brand {
        visibility: hidden;
    }

    /* Toggler becomes X close button — fixed top-right */
    #ba-header.is-menu-open .navbar-toggler {
        position: fixed;
        top: 1.25rem;
        right: 1.25rem;
        z-index: 1060;
        border: none;
        outline: none;
        box-shadow: none;
    }

    #ba-header.is-menu-open .navbar-toggler-icon {
        background: none;
        position: relative;
        filter: none;  /* remove the invert so X is white */
    }
    #ba-header.is-menu-open .navbar-toggler-icon::before,
    #ba-header.is-menu-open .navbar-toggler-icon::after {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 22px;
        height: 2px;
        background: #fff;
        border-radius: 1px;
    }
    #ba-header.is-menu-open .navbar-toggler-icon::before {
        transform: translate(-50%, -50%) rotate(45deg);
    }
    #ba-header.is-menu-open .navbar-toggler-icon::after {
        transform: translate(-50%, -50%) rotate(-45deg);
    }

    /* Nav links: large, easy to tap, full-width */
    #ba-nav .nav-link {
        font-size: 1.15rem;
        padding: 0.85rem 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    /* ── Mobile: sub-menus appear inline, no floating dropdown ────────── */
    #ba-nav .dropdown-menu {
        position: static;
        border: none;
        background: none;
        box-shadow: none;
        padding: 0 0 0 1rem;
        margin: 0;
    }

    #ba-nav .dropdown-item {
        font-size: 1.15rem;
        padding: 0.85rem 0;
        color: rgba(255, 255, 255, 0.75);
        background: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }
    #ba-nav .dropdown-item:hover {
        color: var(--color-primary);
        background: none;
    }

    /* Smaller header on mobile — logo shrinks, text shrinks */
    @media (max-width: 575.98px) {
        #ba-header .navbar {
            min-height: 60px;
        }
        #ba-header .navbar-brand img {
            width: 48px;
            height: 48px;
        }
        #ba-header .ba-site-name {
            font-size: 0.85rem;
        }
        #ba-header .ba-site-name small {
            font-size: 0.72rem;
        }
        .navbar-toggler {
            padding: 0.35rem 0.5rem;
        }
    }

    /* Push tools (language + CTA) to bottom of overlay */
    #ba-nav .ba-header-tools {
        margin-top: auto;
        padding-top: 1.5rem;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
}

/* ── Language switcher ────────────────────────────────────────────────────── */

.ba-lang {
    position: relative;
}

.ba-lang__flag {
    border-radius: 2px;
    flex-shrink: 0;
}

.ba-lang__current {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 0.65rem;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 6px;
    background: transparent;
    color: rgba(255, 255, 255, 0.9);
    font-family: var(--font-base);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s;
}

.ba-lang__current:hover {
    border-color: rgba(255, 255, 255, 0.5);
    color: #fff;
}

.ba-lang__chevron {
    transition: transform 0.2s;
}

.ba-lang__menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 100%;
    margin: 0;
    padding: 0.35rem 0;
    list-style: none;
    background: var(--color-header);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 0 0 6px 6px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    z-index: 1010;
}

/* Invisible bridge so hover doesn't break between button and menu */
.ba-lang__menu::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 0;
    right: 0;
    height: 10px;
}

.ba-lang__menu li a {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.85rem;
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.15s, background 0.15s;
}

.ba-lang__menu li a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

/* Open state — hover on pointer devices, .is-open via click/keyboard (main.js) */
@media (hover: hover) {
    .ba-lang:hover .ba-lang__menu {
        display: block;
    }

    .ba-lang:hover .ba-lang__chevron {
        transform: rotate(180deg);
    }
}

.ba-lang.is-open .ba-lang__menu {
    display: block;
}

.ba-lang.is-open .ba-lang__chevron {
    transform: rotate(180deg);
}

/* Mobile: inline row instead of dropdown */
@media (max-width: 991.98px) {
    .ba-lang {
        display: flex;
        gap: 0.5rem;
        align-items: center;
    }

    .ba-lang__current {
        border-color: rgba(255, 255, 255, 0.3);
    }

    .ba-lang__chevron {
        display: none;
    }

    .ba-lang__menu {
        display: flex !important;
        position: static;
        background: none;
        border: none;
        box-shadow: none;
        padding: 0;
        gap: 0.35rem;
    }

    .ba-lang__menu li a {
        padding: 0.5rem 0.6rem;
        border: 1px solid rgba(255, 255, 255, 0.25);
        border-radius: 6px;
    }

    .ba-lang__menu li a:hover {
        border-color: rgba(255, 255, 255, 0.5);
        background: transparent;
    }
}