/* ---------------------------------------------
   HEADER BASE
--------------------------------------------- */

.site-header {
    padding-block: var(--bs-space-md);
    border-bottom: 1px solid var(--bs-border);
    backdrop-filter: blur(18px);
    background: linear-gradient(to bottom, rgba(5, 6, 8, 0.96), rgba(5, 6, 8, 0.88));
    position: sticky;
    top: 0;
    z-index: 40;
}

.site-header--home {
    background: linear-gradient(to bottom, rgba(5, 6, 8, 0.96), rgba(5, 6, 8, 0.7));
}

.site-header--inner {
    background: rgba(5, 6, 8, 0.98);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--bs-space-md);
}

/* ---------------------------------------------
   LOGO
--------------------------------------------- */

.logo a {
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-size: var(--bs-fs-sm);
    color: var(--bs-text);
}

/* ---------------------------------------------
   DESKTOP NAVIGATION
--------------------------------------------- */

.main-nav {
    display: flex;
    align-items: center;
}

.main-nav__list {
    list-style: none;
    display: flex;
    gap: var(--bs-space-md);
    margin: 0;
    padding: 0;
}

.main-nav__list > li > a {
    font-size: var(--bs-fs-sm);
    color: var(--bs-text-muted);
    position: relative;
    padding-block: 0.25rem;
}

.main-nav__list > li > a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -0.2rem;
    width: 0;
    height: 2px;
    background: var(--bs-accent);
    transition: width 0.18s ease-out;
}

.main-nav__list > li > a:hover {
    color: var(--bs-text);
}

.main-nav__list > li > a:hover::after,
.main-nav__list > li.current-menu-item > a::after,
.main-nav__list > li.current_page_ancestor > a::after {
    width: 100%;
}

/* ---------------------------------------------
   DESKTOP CTA
--------------------------------------------- */

.site-header__cta {
    margin-left: var(--bs-space-md);
}

.btn--sm {
    padding: 0.45rem 1.1rem;
    font-size: var(--bs-fs-xs);
}

/* ---------------------------------------------
   MOBILE TOGGLE
--------------------------------------------- */

.nav-toggle {
    display: none;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 999px;
    border: 1px solid var(--bs-border);
    background: rgba(5, 6, 8, 0.9);
    padding: 0;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    cursor: pointer;
    transition: background 0.16s ease-out, border-color 0.16s ease-out, transform 0.16s ease-out;
}

.nav-toggle__bar {
    width: 1.1rem;
    height: 2px;
    border-radius: 999px;
    background: var(--bs-text);
    transition: transform 0.18s ease-out, opacity 0.18s ease-out;
}

.nav-toggle--open .nav-toggle__bar:nth-child(1) {
    transform: translateY(3px) rotate(45deg);
}

.nav-toggle--open .nav-toggle__bar:nth-child(2) {
    transform: translateY(-3px) rotate(-45deg);
}

/* ---------------------------------------------
   MOBILE NAV PANEL
--------------------------------------------- */

.mobile-nav {
    position: fixed;
    inset: 0;
    background: rgba(5, 6, 8, 0.96);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.22s ease-out, opacity 0.22s ease-out;
    z-index: 30;
}

.mobile-nav--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.mobile-nav__inner {
    padding-top: calc(var(--bs-space-xl) + 3rem);
    padding-bottom: var(--bs-space-xl);
}

.mobile-nav__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 1rem;
}

.mobile-nav__list > li > a {
    font-size: 1.2rem;
    color: var(--bs-text);
}

.mobile-nav__cta {
    margin-top: var(--bs-space-lg);
}

.btn--block {
    width: 100%;
    justify-content: center;
}

/* ---------------------------------------------
   RESPONSIVE BEHAVIOUR
--------------------------------------------- */

@media (max-width: 768px) {
    .main-nav {
        display: none;
    }

    .site-header__cta {
        display: none;
    }

    .nav-toggle {
        display: inline-flex;
    }

    .mobile-nav {
        display: block;
    }
}