/* ========== Navbar Layout ========== */
.navbar {
    align-items: center;
    background: var(--nav-bg);
    display: flex;
    flex-direction: row;
    padding: 1vw; /* 1rem -> 16px -> 0.833333vw (1920px base) */
    position: sticky;
    top: 0;
    width: calc(100vw - 1.666667vw); /* 2rem -> 1.666667vw */
    z-index: 10000;
}

.navbar li {
    list-style-type: none;
}

.dropdown-menu {
    font-family: roboto-slab;
}

.nav-item > a {
    font-family: roboto-slab-semibold;
    font-size: 1.111111vw; /*16pt*/
}

/* ========== Brand ========== */
.navbar-brand {
    color: var(--nav-fg);
    font-family: roboto-slab-semibold;
    font-size: 1vw; /* 1.2rem -> 1.0vw */
    font-weight: bold;
    text-decoration: none;
    white-space: nowrap;
}

.navbar-brand:hover {
    color: lightgray;
}

/* ========== Nav-Container & Liste ========== */
.navbar-nav-container {
    align-items: center;
    display: flex;
    flex: auto;
    justify-content: center;
    margin-right: 11.666667vw; /* 14rem -> 11.666667vw */
}

.navbar-nav {
    display: flex;
    flex-direction: row;
    gap: 1.666667vw; /* 2rem -> 1.666667vw */
    list-style: none;
    margin: 0;
    padding: 0;
}


/* ========== Top-Level Items ========== */
.nav-item {
    border-radius: 0.208333vw; /*4px*/
    color: var(--nav-fg);
    position: relative;
    white-space: nowrap;
}

.nav-item a {
    color: var(--nav-fg);
    outline-offset: 3px;
    padding: 0.166667vw; /* .2rem -> 0.166667vw */
    padding-bottom: 0.833333vw; /* 1rem -> 0.833333vw */
    position: relative;
    text-decoration: none;
}

.nav-item a:hover,
.nav-item:focus-within > a {
    color: var(--nav-fg-hover);
}

.nav-item a:focus {
    outline: 2px solid var(--focus-ring);
    outline-offset: 3px;
}

/* Unterstreichung (Hover/Aktiv) */
.nav-item > .nav-link::after {
    background: var(--nav-accent-hover);
    bottom: -6px;
    content: "";
    height: 2px;
    left: 0;
    position: absolute;
    right: 0;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .22s ease;
}

.nav-item:hover > .nav-link::after {
    transform: scaleX(1);
}

.nav-item.is-active > .nav-link::after {
    background: var(--nav-accent-active);
    height: 3px;
    transform: scaleX(1);
}

/* ========== Dropdown: Container ========== */
.nav-item .dropdown-menu {
    background: var(--dropdown-bg);
    border: solid white 0.166667vw; /* .2rem -> 0.166667vw */
    border-radius: 0.520833vw; /*10px*/
    box-shadow: 0 12px 24px rgba(0, 0, 0, .35);
    display: block !important;
    left: 0;
    opacity: 0;
    padding: 0.291667vw 0; /* .35rem -> 0.291667vw */
    pointer-events: none;
    position: absolute;
    top: 100%;
    transform: translateX(-0.666667vw) translateY(0); /* -.8rem -> -0.666667vw */
    transition: ease-in-out .3s;
    visibility: hidden;
    z-index: 1000;
    width: fit-content;
}

.nav-item:hover .dropdown-menu,
.nav-item:focus-within .dropdown-menu {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-0.666667vw) translateY(0.291667vw); /* .35rem -> 0.291667vw */
    transition-delay: 0s;
    visibility: visible;
}

/* ========== Dropdown: Items ========== */
.dropdown-menu .dropdown-item {
    color: var(--nav-fg);
    display: block;
    opacity: 0;
    padding: 0.5vw 0.833333vw; /* .6rem -> 0.5vw, 1rem -> 0.833333vw */
    text-decoration: none;
    transform: translateY(6px);
    transition:
        opacity 1s ease,
        transform 1s ease;
}

.dropdown-menu .dropdown-item:hover,
.dropdown-menu .dropdown-item:focus {
    background: var(--dropdown-item-hover);
}

.nav-item:hover .dropdown-menu .dropdown-item,
.nav-item:focus-within .dropdown-menu .dropdown-item {
    opacity: 1;
    transform: translateY(0);
}

/* Gestaffelte Verzögerung (keine rem, unverändert) */
.nav-item:hover .dropdown-menu > li:nth-child(1) > .dropdown-item { transition-delay: var(--dropdown-item-delay); }
.nav-item:hover .dropdown-menu > li:nth-child(2) > .dropdown-item { transition-delay: calc(var(--dropdown-item-delay)*2); }
.nav-item:hover .dropdown-menu > li:nth-child(3) > .dropdown-item { transition-delay: calc(var(--dropdown-item-delay)*3); }
.nav-item:hover .dropdown-menu > li:nth-child(4) > .dropdown-item { transition-delay: calc(var(--dropdown-item-delay)*4); }
.nav-item:hover .dropdown-menu > li:nth-child(5) > .dropdown-item { transition-delay: calc(var(--dropdown-item-delay)*5); }
.nav-item:hover .dropdown-menu > li:nth-child(6) > .dropdown-item { transition-delay: calc(var(--dropdown-item-delay)*6); }

/* ========== Nur aktives Dropdown sichtbar halten ========== */
.navbar-nav:has(.nav-item:hover) .dropdown-menu {
  opacity: 0 !important;
  pointer-events: none !important;
  transform: translateX(-0.666667vw) translateY(0) !important; /* -.8rem -> -0.666667vw */
  transition-delay: 0s !important;
  visibility: hidden !important;
}

.navbar-nav:has(.nav-item:hover) .nav-item:hover > .dropdown-menu {
  opacity: 1 !important;
  pointer-events: auto !important;
  transform: translateX(-0.666667vw) translateY(0.291667vw) !important; /* .35rem -> 0.291667vw */
  visibility: visible !important;
}