/* ===========================================
   Header Component
   =========================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1030;
    transition: box-shadow 0.2s ease;
}

.site-header.scrolled {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Transparent Header (for hero sections) */
.site-header--transparent {
    position: absolute;
    width: 100%;
}

.site-header--transparent .navbar {
    background-color: rgba(var(--header-bg-rgb, 255, 255, 255), var(--navbar-opacity, 0)) !important;
    backdrop-filter: blur(var(--navbar-blur, 0));
    -webkit-backdrop-filter: blur(var(--navbar-blur, 0));
    transition: background-color 0.3s ease, backdrop-filter 0.3s ease;
}

.site-header--transparent .header-topbar {
    background-color: rgba(var(--topbar-bg-rgb, 33, 37, 41), var(--topbar-opacity, 0)) !important;
    backdrop-filter: blur(var(--topbar-blur, 0));
    -webkit-backdrop-filter: blur(var(--topbar-blur, 0));
    transition: background-color 0.3s ease, backdrop-filter 0.3s ease;
}

.site-header--transparent.scrolled {
    position: fixed;
}

/* Text color transitions for smooth scrolling effect */
.site-header .nav-link,
.site-header .navbar-brand {
    transition: color 0.3s ease;
}

.site-header .navbar-toggler {
    transition: border-color 0.3s ease;
}

.site-header .navbar-toggler-icon {
    transition: filter 0.3s ease;
    filter: var(--toggler-filter, none);
}

/* Logo */
.header-logo {
    max-height: 40px;
    width: auto;
}

/* Nav Links */
.site-header .nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: color 0.15s ease;
}

.site-header .nav-link:hover {
    color: var(--bs-primary);
}

.site-header .nav-link.active {
    color: var(--bs-primary);
}

/* Mobile Menu */
@media (max-width: 991.98px) {
    .site-header .navbar-collapse {
        background-color: #fff;
        padding: 1rem;
        margin-top: 0.5rem;
        border-radius: 0.5rem;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }

    .site-header--transparent:not(.scrolled) .navbar-collapse {
        background-color: rgba(0, 0, 0, 0.9);
    }

    .site-header--transparent:not(.scrolled) .navbar-collapse .nav-link {
        color: #fff !important;
    }
}