/* --- Navbar & Menü-Button --- */
.nav {
    background: transparent;
    border-bottom: none;
    height: 0;
    position: relative;
}

.nav-inner {
    position: fixed;
    top: 16px;
    right: 16px;
    height: auto;
    padding: 0;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    z-index: 110;
}

.btn {
    border: 1px solid #e5e7eb;
    border-radius: 999px;
    padding: 8px 16px;
    background: #fff;
    cursor: pointer;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-base);
}

.icon {
    font-size: 14px;
}

/* Wenn das Menü offen ist, Button verstecken */
body.menu-open .nav-inner {
    display: none;
}

/* --- Overlay Menü --- */
.overlay {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    z-index: 100;
    opacity: 0;
    transform: translateY(-12px);
    transition:
        opacity .45s ease,
        transform .55s cubic-bezier(.22, .9, .3, 1);
    pointer-events: none;
}

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

.overlay.hidden {
    visibility: hidden;
    pointer-events: none;
}

.overlay-header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 16px;
}

.overlay-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: clamp(1.4rem, 1.1rem + 0.9vw, 2.2rem);
    line-height: 1.15;
    font-weight: 500;
}

.overlay-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.overlay-nav li {
    margin: 20px 0;
    opacity: 0;
    transform: translateY(14px);
    transition: opacity .4s ease, transform .55s cubic-bezier(.22, .9, .3, 1);
}

.overlay.is-open .overlay-nav li {
    opacity: 1;
    transform: translateY(0);
}

.overlay.is-open .overlay-nav li:nth-child(1) {
    transition-delay: .08s;
}

.overlay.is-open .overlay-nav li:nth-child(2) {
    transition-delay: .14s;
}

.overlay.is-open .overlay-nav li:nth-child(3) {
    transition-delay: .20s;
}

.overlay.is-open .overlay-nav li:nth-child(4) {
    transition-delay: .26s;
}

.overlay.is-open .overlay-nav li:nth-child(5) {
    transition-delay: .32s;
}

@media (prefers-reduced-motion: reduce) {

    .overlay,
    .overlay-nav li {
        transition: none;
        transform: none !important;
    }
}

.overlay,
.overlay-nav,
.overlay-nav a,
.overlay-nav button {
    font-family: var(--font-base);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

/* Overlay-Links */
.overlay-nav a {
    all: unset;
    font: inherit;
    color: inherit;
    cursor: pointer;
    display: block;
    text-decoration: none;
    padding: 0;
    margin: 0;
    transition: transform .35s cubic-bezier(.22, .9, .3, 1),
        color .3s ease,
        box-shadow .45s ease;
    transform: scale(1);
    transform-origin: center;
    will-change: transform;
    border-radius: 12px;
}

.overlay-nav a:hover,
.overlay-nav a:focus-visible {
    transform: scale(1.09);
    box-shadow: 0 0 95px 20px rgba(255, 255, 255, 0.45);
}

.overlay-nav a:focus-visible {
    outline: 2px solid currentColor;
    outline-offset: 2px;
}

.overlay-nav a:active {
    transform: scale(0.98);
    box-shadow: none;
}

@media (prefers-reduced-motion: reduce) {

    .overlay-nav a,
    .overlay-nav a:hover,
    .overlay-nav a:focus-visible,
    .overlay-nav a:active {
        transition: none;
        transform: none;
        box-shadow: none;
    }
}

@media (max-width: 420px) {
    .overlay-nav {
        font-size: clamp(1.3rem, 1rem + 1vw, 1.8rem);
    }
}