/* =====================================================================
   NAV.CSS — Üst menü hover/dropdown geliştirmeleri
   "Magic line" alt çizgisi hover ile kayar, aktif sayfada sabit durur.
   site.css token'larını kullanır; açık & koyu tema otomatik uyumlu.
   ===================================================================== */

.navbar-nav {
    position: relative;
}

/* Hover edilen item altında kayan vurgu çizgisi (JS tarafından eklenir) */
.nav-magic-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    border-radius: 1px;
    pointer-events: none;
    list-style: none;
    padding: 0;
    margin: 0;
    opacity: 0;
    transform: translateX(0);
    transition:
        transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
        width 0.4s cubic-bezier(0.4, 0, 0.2, 1),
        opacity 0.2s ease;
    will-change: transform, width;
    z-index: 1;
}

.nav-magic-line.is-visible {
    opacity: 1;
}

/* Hover'da yumuşak arka plan tonu (orijinal component'in bg-foreground/10 karşılığı) */
.navbar-nav .nav-link-light {
    border-radius: 8px;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.navbar-nav .nav-link-light:hover,
.navbar-nav .nav-link-light:focus-visible,
.navbar-nav .dropdown-hover:hover > .nav-link-light {
    background-color: rgba(0, 0, 0, 0.05);
}

[data-bs-theme="dark"] .navbar-nav .nav-link-light:hover,
[data-bs-theme="dark"] .navbar-nav .nav-link-light:focus-visible,
[data-bs-theme="dark"] .navbar-nav .dropdown-hover:hover > .nav-link-light {
    background-color: rgba(255, 255, 255, 0.07);
}

/* Dropdown — slide-down animasyonu (orijinaldeki y: 10 -> 0 karşılığı)
   Hover & focus-within ile açılır; click gerekmez. */
.navbar-nav .dropdown-menu {
    display: block;
    visibility: hidden;
    opacity: 0;
    transform: translateY(8px);
    transition:
        transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
        opacity 0.2s ease,
        visibility 0s linear 0.2s;
}

@media (min-width: 992px) {
    .navbar-nav .dropdown-hover:hover > .dropdown-menu,
    .navbar-nav .dropdown-hover:focus-within > .dropdown-menu,
    .navbar-nav .dropdown-menu.show {
        visibility: visible;
        opacity: 1;
        transform: translateY(0);
        transition:
            transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
            opacity 0.2s ease,
            visibility 0s;
    }
}

/* Erişilebilirlik */
@media (prefers-reduced-motion: reduce) {
    .nav-magic-line,
    .navbar-nav .dropdown-menu {
        transition: none;
    }
}

/* Mobil collapse açıkken magic line gizli; hover background sade */
@media (max-width: 991.98px) {
    .nav-magic-line {
        display: none;
    }

    .navbar-nav .nav-link-light:hover,
    .navbar-nav .dropdown-hover:hover > .nav-link-light {
        background-color: transparent;
    }

    .navbar-nav .dropdown-menu {
        display: none;
        visibility: visible;
        opacity: 1;
        transform: none;
        transition: none;
    }

    .navbar-nav .dropdown-menu.show {
        display: block;
    }
}