/* =============================================================================
   Boka Cruises — header.css (Faza 9.3)
   Sticky header + main nav + mobile hamburger menu + language switcher.
   ============================================================================= */

/* =============================================================================
   1. Header shell
   ============================================================================= */
.site-header {
    position: sticky;
    top: 0;
    z-index: var(--bc-z-sticky);
    background: var(--bc-bg);
    border-bottom: 1px solid var(--bc-border);
    transition: background var(--bc-transition-base),
                box-shadow var(--bc-transition-base);
}
.site-header.is-scrolled {
    background: var(--bc-frosted-bg);
    backdrop-filter: var(--bc-frosted-blur);
    -webkit-backdrop-filter: var(--bc-frosted-blur);
    box-shadow: var(--bc-shadow-1);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--bc-space-5);
    height: var(--bc-header-h);
}
@media (max-width: 767.98px) {
    .site-header__inner { height: var(--bc-header-h-mobile); }
}

/* Logo */
.site-header__logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}
.site-header__logo img,
.site-header__logo svg {
    height: 60px;
    width: auto;
    object-fit: contain;
}
@media (max-width: 767.98px) {
    .site-header__logo img,
    .site-header__logo svg {
        height: 48px;
    }
}

/* =============================================================================
   2. Main navigation (desktop)
   ============================================================================= */
.site-nav {
    display: flex;
    align-items: center;
    gap: var(--bc-space-6);
}
.site-nav__list {
    display: flex;
    align-items: center;
    gap: var(--bc-space-5);
    list-style: none;
    padding: 0;
    margin: 0;
}
.site-nav__link {
    color: var(--bc-text);
    font-weight: 600;
    font-size: var(--bc-fs-sm);
    text-decoration: none;
    padding: var(--bc-space-2) 0;
    position: relative;
    transition: color var(--bc-transition-fast);
    white-space: nowrap;
}
.site-nav__link:hover,
.site-nav__link.is-active {
    color: var(--bc-primary);
}
.site-nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--bc-primary);
    transition: width var(--bc-transition-base);
}
.site-nav__link:hover::after,
.site-nav__link.is-active::after {
    width: 100%;
}

/* =============================================================================
   3. Actions (CTA + lang switcher)
   ============================================================================= */
.site-header__actions {
    display: flex;
    align-items: center;
    gap: var(--bc-space-3);
}

.site-header__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--bc-space-2);
    padding: 0.55rem 1.1rem;
    background: var(--bc-primary);
    color: #fff;
    border-radius: var(--bc-radius-pill);
    font-size: var(--bc-fs-sm);
    font-weight: 700;
    text-decoration: none;
    transition: background var(--bc-transition-base),
                box-shadow var(--bc-transition-base),
                transform var(--bc-transition-fast);
}
.site-header__cta:hover {
    background: var(--bc-primary-dk);
    color: #fff;
    box-shadow: var(--bc-shadow-2);
}
.site-header__cta:active { transform: scale(0.97); }

/* Lang switcher */
.lang-switch {
    position: relative;
}
.lang-switch__toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--bc-space-2);
    padding: var(--bc-space-2) var(--bc-space-3);
    border-radius: var(--bc-radius-pill);
    color: var(--bc-text);
    font-size: var(--bc-fs-sm);
    font-weight: 600;
    background: transparent;
    border: 1px solid var(--bc-border);
    cursor: pointer;
    transition: background var(--bc-transition-fast),
                border-color var(--bc-transition-fast);
}
.lang-switch__toggle:hover {
    background: var(--bc-bg-soft);
    border-color: var(--bc-secondary);
}
.lang-switch__toggle .bi-chevron-down {
    transition: transform var(--bc-transition-fast);
}
.lang-switch.is-open .lang-switch__toggle .bi-chevron-down {
    transform: rotate(180deg);
}

.lang-switch__menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 140px;
    background: var(--bc-bg);
    border: 1px solid var(--bc-border);
    border-radius: var(--bc-radius-md);
    box-shadow: var(--bc-shadow-3);
    padding: var(--bc-space-2);
    list-style: none;
    margin: 0;
    z-index: var(--bc-z-dropdown);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-5px);
    transition: opacity var(--bc-transition-fast),
                visibility var(--bc-transition-fast),
                transform var(--bc-transition-fast);
}
.lang-switch.is-open .lang-switch__menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.lang-switch__menu li { padding: 0; }
.lang-switch__menu a {
    display: block;
    padding: var(--bc-space-2) var(--bc-space-3);
    border-radius: var(--bc-radius-sm);
    color: var(--bc-text);
    text-decoration: none;
    font-size: var(--bc-fs-sm);
    font-weight: 600;
    transition: background var(--bc-transition-fast);
}
.lang-switch__menu a:hover,
.lang-switch__menu a.is-active {
    background: var(--bc-bg-soft);
    color: var(--bc-primary);
}

/* =============================================================================
   4. Mobile menu (hamburger)
   ============================================================================= */
.site-header__burger {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 0;
    cursor: pointer;
}
.site-header__burger-icon {
    width: 24px;
    height: 18px;
    position: relative;
}
.site-header__burger-icon::before,
.site-header__burger-icon::after,
.site-header__burger-icon span {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--bc-text);
    transition: transform var(--bc-transition-base),
                opacity var(--bc-transition-fast),
                top var(--bc-transition-base);
}
.site-header__burger-icon::before { top: 0; }
.site-header__burger-icon span    { top: 50%; transform: translateY(-50%); }
.site-header__burger-icon::after  { bottom: 0; }

.site-header.is-mobile-open .site-header__burger-icon::before {
    top: 50%;
    transform: rotate(45deg);
}
.site-header.is-mobile-open .site-header__burger-icon::after {
    bottom: 50%;
    transform: rotate(-45deg);
}
.site-header.is-mobile-open .site-header__burger-icon span {
    opacity: 0;
}

/* Mobile menu panel */
@media (max-width: 1023.98px) {
    .site-header__burger { display: inline-flex; }
    .site-nav {
        position: fixed;
        top: var(--bc-header-h-mobile);
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bc-bg);
        flex-direction: column;
        align-items: stretch;
        padding: var(--bc-space-5) var(--bc-space-4);
        gap: 0;
        transform: translateX(100%);
        transition: transform var(--bc-transition-slow);
        overflow-y: auto;
        z-index: var(--bc-z-modal);
    }
    .site-header.is-mobile-open .site-nav {
        transform: translateX(0);
    }
    .site-nav__list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }
    .site-nav__list li {
        border-bottom: 1px solid var(--bc-border);
    }
    .site-nav__link {
        display: block;
        padding: var(--bc-space-4) 0;
        font-size: var(--bc-fs-md);
    }
    .site-nav__link::after { display: none; }
    .site-nav__link.is-active {
        color: var(--bc-primary);
    }
    /* Action row inside mobile menu */
    .site-header__actions--mobile {
        display: flex !important;
        margin-top: var(--bc-space-5);
        padding-top: var(--bc-space-5);
        border-top: 1px solid var(--bc-border);
    }
    .site-header__actions--desktop {
        display: none;
    }
}

@media (min-width: 1024px) {
    .site-header__actions--mobile {
        display: none !important;
    }
}

/* Body lock kad je mobile menu open */
body.menu-open {
    overflow: hidden;
}

/* =============================================================================
   5. Topbar (optional thin info bar nad header-om)
   ============================================================================= */
.site-topbar {
    background: var(--bc-secondary);
    color: #fff;
    padding: var(--bc-space-2) 0;
    font-size: var(--bc-fs-xs);
}
.site-topbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--bc-space-4);
    flex-wrap: wrap;
}
.site-topbar__contact {
    display: flex;
    align-items: center;
    gap: var(--bc-space-4);
}
.site-topbar__contact a {
    color: #fff;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--bc-space-1);
    transition: color var(--bc-transition-fast);
}
.site-topbar__contact a:hover { color: var(--bc-primary-soft); }
.site-topbar__social {
    display: flex;
    align-items: center;
    gap: var(--bc-space-2);
}
.site-topbar__social a {
    color: #fff;
    opacity: 0.8;
    transition: opacity var(--bc-transition-fast);
}
.site-topbar__social a:hover { opacity: 1; }
@media (max-width: 767.98px) {
    .site-topbar { display: none; }
}