.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.container-narrow {
    max-width: 800px;
}

/* Header & Nav */
.header {
    height: var(--header-height);
    background: var(--dark);
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    transition: background 0.15s ease, box-shadow 0.3s ease;
}

.header.header-hidden-logo:not(.is-scrolled),
body:not(.is-scrolled) .header.header-hidden-logo {
    background: transparent;
}

.header.is-scrolled,
body.is-scrolled .header {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
}

.logo {
    opacity: 0;
    transform: translateY(0);
    pointer-events: none;
}

.header:not(.header-hidden-logo) .logo {
    opacity: 1;
    pointer-events: auto;
}

.logo img {
    height: 40px;
    width: auto;
    display: block;
    transform: translateY(-2px);
}

.header.header-hidden-logo .logo {
    opacity: 0;
    transform: translateY(0);
    pointer-events: none;
}

.header.header-hidden-logo.is-scrolled .logo,
body.is-scrolled .header.header-hidden-logo .logo {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.lang-switcher {
    display: flex;
    gap: 8px;
    margin-right: 15px;
}

.lang-switcher a {
    color: var(--white);
    font-size: 0.8rem;
    font-weight: 600;
    opacity: 0.6;
    text-decoration: none;
    padding: 2px 4px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.lang-switcher a:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.1);
}

.lang-switcher a.active {
    opacity: 1;
    color: var(--primary);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.nav {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-list {
    display: flex;
    gap: 30px;
}

.nav-list a {
    font-weight: 500;
    color: var(--white);
    white-space: nowrap;
}

.nav-list a:hover {
    color: var(--primary);
}

/* Sections */
.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--dark);
}

.section-subtitle {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
    font-size: 1.125rem;
    color: var(--text-muted);
}

.bg-light {
    background-color: var(--bg-alt);
}

/* Split Content */
.split-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

/* Contact Layout */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    margin-bottom: 20px;
}

.contact-info ul {
    margin-top: 20px;
}

.contact-info li {
    margin-bottom: 10px;
}

/* Footer */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 50px 0 20px;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-nav {
    display: flex;
    gap: 20px;
    align-items: center;
}

.footer-nav a {
    color: var(--gray);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.footer-nav a .icon-external {
    width: 14px;
    height: 14px;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.footer-nav a:hover .icon-external {
    opacity: 1;
}

.footer-nav a:hover {
    color: var(--white);
}

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #0f172a; /* Fallback für var(--dark) */
    background: var(--dark);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    opacity: 1 !important;
    visibility: visible !important;
}

.preloader.fade-out {
    opacity: 0 !important;
    visibility: hidden !important;
}

.spinner-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.spinner {
    width: 120px;
    height: 120px;
    border: 8px solid rgba(240, 70, 36, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 1s linear infinite;
}

.spinner-icon {
    position: absolute;
    width: 60px;
    height: 60px;
    object-fit: contain;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Hide content during loading */
.loading-content {
    overflow: hidden;
}

.loading-content body > *:not(.header) {
    opacity: 0 !important;
    visibility: hidden !important;
}

.loading-content .header > *:not(.preloader) {
    opacity: 0 !important;
    visibility: hidden !important;
}