/* =====================================================
   HEADER & NAVIGATION
   Styles nur für .site-header, .main-nav,
   .burger und .menu-overlay.
===================================================== */


/* =====================================================
   SITE HEADER
===================================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    background-color: var(--color-black);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xl);
    padding-inline: max(var(--space-xl), 4vw);
    padding-block: var(--space-m);
    max-width: var(--container-max-width);
    margin-inline: auto;
}


/* =====================================================
   LOGO
===================================================== */

.site-logo > a {
    display: inline-flex;
    align-items: center;
    gap: var(--space-s);
    text-decoration: none;
    color: var(--text-light);
    font-weight: var(--fw-black);
    line-height: var(--base-lh);
    white-space: nowrap;
}

.site-logo > a:hover {
    color: var(--color-primary);
}

/* Logo-Sprite – relative Pfade, kein absoluter Domain-Pfad */
.logo-sprite {
    --size: 58px;
    width: var(--size);
    height: var(--size);
    flex-shrink: 0;
    transform: scale(-1, 1);
    background-image: url("../sprite.svg");
    background-repeat: no-repeat;
    background-size: calc(var(--size) * 7);
    animation: logo-blink 7s steps(7) infinite;
    display: block;
    position: relative;
}

.bg-dark .logo-sprite,
.site-header .logo-sprite {
    background-image: url("../sprite_light.svg");
}

.logo-sprite::before {
    content: "";
    position: absolute;
    inset: 0;
    width: var(--size);
    height: var(--size);
    background-image: url("../sprite_frame.svg");
    background-repeat: no-repeat;
    background-size: var(--size);
    display: block;
}

.bg-dark .logo-sprite::before,
.site-header .logo-sprite::before {
    background-image: url("../sprite_frame_light.svg");
}

@keyframes logo-blink {
    0%, 100% { background-position: 0px; }
    1%, 4%   { background-position: calc(var(--size) * -7); }
    2%, 6%   { background-position: 0px; }
}


/* =====================================================
   DESKTOP NAV
===================================================== */

.main-nav {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: var(--space-l);
    list-style: none;
    padding: 0;
    margin: 0;
}

.main-nav li {
    list-style: none;
}

.main-nav li a {
    font-size: var(--fs-main-nav);
    font-weight: var(--fw-bold);
    color: var(--text-light);
    text-decoration: none;
    line-height: var(--base-lh);
    transition: color var(--transition);
    position: relative;
}

/* Hover-Unterstrich */
.main-nav li a::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition);
}

.main-nav li a:hover,
.main-nav li.current-menu-item > a {
    color: var(--color-primary);
}

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

/* Nav CTA-Button (z.B. "14 Tage zur Website") */
.main-nav .nav-cta {
    background-color: var(--color-primary);
    color: var(--text-dark) !important;
    padding: 0.4em 1em;
    border-radius: var(--radius);
    font-weight: var(--fw-black);
    font-size: 0.85rem;
    white-space: nowrap;
    transition: background-color var(--transition);
}

.main-nav .nav-cta::after {
    display: none;
}

.main-nav .nav-cta:hover {
    background-color: var(--color-primary-hover);
    color: var(--text-dark) !important;
}

/* Nav-Badge (z.B. "Neu") */
.nav-badge {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--text-dark);
    font-size: 0.6rem;
    font-weight: var(--fw-black);
    padding: 0.1em 0.4em;
    border-radius: 4px;
    vertical-align: super;
    line-height: 1.2;
    margin-left: 2px;
    text-transform: uppercase;
}

/* Desktop Nav ausblenden unter lg */
@media (max-width: 1023px) {
    .main-nav {
        display: none;
    }
}


/* =====================================================
   BURGER BUTTON
===================================================== */

.burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    cursor: pointer;
    background: transparent;
    border: none;
    padding: 4px;
    flex-shrink: 0;
}

.burger__line {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-light);
    border-radius: 2px;
    transform-origin: center;
    transition:
        transform 0.3s ease,
        opacity 0.3s ease,
        width 0.3s ease;
}

/* Burger → X bei offenem Menu */
body.menu-open .burger__line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

body.menu-open .burger__line:nth-child(2) {
    opacity: 0;
    width: 0;
}

body.menu-open .burger__line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Burger nur auf Mobile sichtbar */
@media (max-width: 1023px) {
    .burger {
        display: flex;
    }
}


/* =====================================================
   MOBILE OVERLAY MENU
===================================================== */

.menu-overlay {
    position: fixed;
    inset: 0;
    z-index: var(--z-overlay);
    background-color: var(--color-black);
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: max(var(--space-2xl), 6vw);

    /* Standardmäßig versteckt via transform + opacity */
    opacity: 0;
    pointer-events: none;
    transform: translateX(100%);
    transition:
        opacity 0.35s ease,
        transform 0.35s ease;

    /* Kein "display: none" – damit die Transition funktioniert */
}

/* Overlay offen */
body.menu-open .menu-overlay {
    opacity: 1;
    pointer-events: all;
    transform: translateX(0);
}

/* Scroll-Lock wenn Overlay offen */
body.menu-open {
    overflow: hidden;
}

/* Schließen-Button */
.menu-overlay__close {
    position: absolute;
    top: var(--space-xl);
    right: var(--space-xl);
    background: transparent;
    border: none;
    color: var(--text-light);
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    padding: var(--space-s);
    min-width: unset;
    min-height: unset;
    transition: color var(--transition);
}

.menu-overlay__close:hover {
    color: var(--color-primary);
}

/* Nav-Links im Overlay */
.overlay-nav ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-s);
    list-style: none;
    padding: 0;
    margin: 0;
}

.overlay-nav li a {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: var(--fw-black);
    color: var(--text-light);
    text-decoration: none;
    line-height: 1.1;
    display: block;
    transition: color var(--transition), transform var(--transition);
}

.overlay-nav li a:hover {
    color: var(--color-primary);
    transform: translateX(10px);
}