/* ==========================================================================
   nav.css – Hauptnavigation (Desktop + Mobile)
   BEM: .nav, .site-header, .site-footer
   ========================================================================== */

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

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    overflow: visible;
    transition: background var(--transition-base), box-shadow var(--transition-base);
}

/* Scrolled-State: Hintergrund einblenden */
.site-header--scrolled {
    background: rgba(10, 10, 11, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(200, 168, 75, 0.15);
}

/* ==========================================================================
   NAV WRAPPER
   ========================================================================== */

.nav {
    width: 100%;
}

.nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
    height: 72px;
    overflow: visible;
}

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

.nav__logo {
    flex-shrink: 0;
    display: flex;
    align-items: flex-start;
    text-decoration: none;
    align-self: flex-start;
    /* Im gescrollten Zustand (52px) visuell zentriert: (72-52)/2 = 10px */
    padding-top: 10px;
}

.nav__logo-img {
    height: 90px;
    width: auto;
    transition: height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
}

.site-header--scrolled .nav__logo-img {
    height: 52px;
}

/* Text-Fallback wenn keine Logo-Datei vorhanden */
.nav__logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.nav__logo-first {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--weight-bold);
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav__logo-last {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--weight-bold);
    color: var(--color-white);
}

.nav__logo-sub {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-gray-300);
    letter-spacing: 0.08em;
}

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

.nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav__item {
    position: relative;
}

.nav__link {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-gray-300);
    text-decoration: none;
    border-radius: var(--radius-md);
    border: none;
    background: none;
    cursor: pointer;
    transition: color var(--transition-fast), background var(--transition-fast);
    white-space: nowrap;
}

.nav__link:hover {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.06);
}

.nav__link--active {
    color: var(--color-gold);
}

.nav__link--active:hover {
    color: var(--color-gold-light);
}

/* ==========================================================================
   DROPDOWN
   ========================================================================== */

.nav__chevron {
    transition: transform var(--transition-fast);
    flex-shrink: 0;
}

.nav__item--open .nav__chevron {
    transform: rotate(180deg);
}

.nav__dropdown {
    position: absolute;
    top: calc(100% + var(--space-2));
    left: 50%;
    transform: translateX(-50%);
    min-width: 260px;
    background: var(--color-gray-900);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2);
    list-style: none;
    box-shadow: var(--shadow-lg);
    /* Versteckt */
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateX(-50%) translateY(-8px);
    transition: opacity var(--transition-base),
                visibility var(--transition-base),
                transform var(--transition-base);
}

.nav__item--open .nav__dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.nav__dropdown-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: background var(--transition-fast);
}

.nav__dropdown-link:hover {
    background: rgba(200, 168, 75, 0.08);
}

.nav__dropdown-link.nav__link--active {
    background: rgba(200, 168, 75, 0.12);
}

.nav__dropdown-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(200, 168, 75, 0.08);
    border-radius: var(--radius-sm);
    color: var(--color-gold);
}

.nav__dropdown-link strong {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--color-text);
}

.nav__dropdown-link small {
    display: block;
    font-size: var(--text-xs);
    color: var(--color-gray-300);
    margin-top: 2px;
}

/* ==========================================================================
   NAV ACTIONS (CTA + Hamburger)
   ========================================================================== */

.nav__actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex-shrink: 0;
}

/* ==========================================================================
   HAMBURGER (Mobile)
   ========================================================================== */

.nav__hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: var(--space-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: transparent;
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.nav__hamburger:hover {
    border-color: var(--color-gold);
}

.nav__hamburger-line {
    display: block;
    width: 100%;
    height: 1.5px;
    background: var(--color-white);
    border-radius: 2px;
    transition: transform var(--transition-base), opacity var(--transition-base);
    transform-origin: center;
}

/* Burger → X wenn offen */
.nav--open .nav__hamburger-line:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
}
.nav--open .nav__hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.nav--open .nav__hamburger-line:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
}

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

.nav__overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: calc(var(--z-sticky) - 1);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.nav__overlay--visible {
    opacity: 1;
}

/* ==========================================================================
   RESPONSIVE – Mobile (max 900px)
   ========================================================================== */

@media (max-width: 900px) {

    .nav__hamburger {
        display: flex;
    }

    .nav__cta {
        display: none;
    }

    /* Nav-Liste als Slide-In Panel von rechts */
    .nav__list {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: min(320px, 85vw);
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        padding: 80px var(--space-6) var(--space-8);
        gap: var(--space-1);
        background: var(--color-gray-900);
        border-left: 1px solid var(--color-border);
        z-index: var(--z-sticky);
        transform: translateX(100%);
        transition: transform var(--transition-slow);
        overflow-y: auto;
    }

    .nav--open .nav__list {
        transform: translateX(0);
    }

    .nav__overlay {
        display: block;
    }

    .nav__link {
        padding: var(--space-3) var(--space-4);
        font-size: var(--text-base);
        border-radius: var(--radius-md);
        justify-content: space-between;
    }

    /* Dropdown: im Mobile als aufklappbare Liste */
    .nav__dropdown {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        pointer-events: none;
        max-height: 0;
        overflow: hidden;
        box-shadow: none;
        border: none;
        border-radius: 0;
        padding: 0 0 0 var(--space-4);
        background: transparent;
        transition: max-height var(--transition-slow), padding var(--transition-slow);
    }

    .nav__item--open .nav__dropdown {
        max-height: 400px;
        pointer-events: auto;
        padding: var(--space-2) 0 var(--space-2) var(--space-4);
    }

    /* CTA am Ende der Mobile-Liste einblenden */
    .nav__list::after {
        content: '';
        display: block;
        flex: 1;
    }

    .nav__item:last-child {
        margin-top: auto;
    }
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
    background: var(--color-gray-900);
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-16);
    padding-bottom: var(--space-8);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer__logo {
    display: inline-block;
    margin-bottom: var(--space-4);
    text-decoration: none;
}

.footer__logo-text {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--weight-bold);
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer__tagline {
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
    color: var(--color-gray-300);
    margin-bottom: var(--space-4);
}

.footer__address {
    font-style: normal;
    font-size: var(--text-sm);
    color: var(--color-gray-300);
    line-height: var(--leading-normal);
}

.footer__social {
    display: flex;
    gap: var(--space-4);
    margin-top: var(--space-5);
}

.footer__social-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-gray-300);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer__social-link:hover {
    color: var(--color-gold);
}

.footer__heading {
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gray-300);
    margin-bottom: var(--space-4);
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer__link {
    font-size: var(--text-sm);
    color: var(--color-gray-300);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer__link:hover {
    color: var(--color-gold);
}

.footer__col--cta .footer__cta-text {
    font-size: var(--text-sm);
    color: var(--color-gray-300);
    margin-bottom: var(--space-5);
    line-height: var(--leading-normal);
}

.footer__divider {
    height: 1px;
    background: var(--color-border);
    margin-bottom: var(--space-8);
}

.footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
    flex-wrap: wrap;
}

.footer__copyright {
    font-size: var(--text-sm);
    color: var(--color-gray-300);
}

.footer__legal {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.footer__legal-link {
    font-size: var(--text-sm);
    color: var(--color-gray-300);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer__legal-link:hover {
    color: var(--color-gold);
}

.footer__legal span {
    color: var(--color-gray-500);
}

.footer__made {
    font-size: var(--text-xs);
    color: var(--color-gray-500);
    font-family: var(--font-mono);
}

.footer__made-location {
    color: var(--color-gold-dark);
}

/* Footer Responsive */
@media (max-width: 1024px) {
    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }

    .footer__col--brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 640px) {
    .footer__grid {
        grid-template-columns: 1fr;
    }

    .footer__col--brand {
        grid-column: auto;
    }

    .footer__bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-4);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .nav__list,
    .nav__dropdown,
    .nav__hamburger-line,
    .nav__chevron,
    .site-header,
    .nav__logo-img {
        transition: none;
    }
}