/* --- ZENTRALES CSS & VARIABLEN --- */
        :root {
            --bg-color: #080808;
            --text-primary: #ffffff;
            --text-secondary: #999999;
            --accent-color: #4f4f4f;
            --grid-line: rgba(255, 255, 255, 0.1);
            
            --font-main: 'Manrope', sans-serif;
            --font-mono: 'Space Mono', monospace;
            
            --spacing-container: 4vw;
            --header-height: 80px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            background-color: var(--bg-color);
            color: var(--text-primary);
            font-family: var(--font-main);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            line-height: 1.5;
        }

        /* --- TYPOGRAFIE --- */
        h1, h2, h3 {
            font-weight: 400;
            letter-spacing: -0.02em;
        }

        .display-text {
            font-size: clamp(3rem, 8vw, 9rem);
            line-height: 0.95;
            text-transform: uppercase;
            margin-bottom: 2rem;
        }

        .section-title {
            font-family: var(--font-mono);
            font-size: 0.9rem;
            text-transform: uppercase;
            color: var(--text-secondary);
            margin-bottom: 1rem;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        /* --- LAYOUT STRUKTUR --- */
        .container {
            padding: 0 var(--spacing-container);
            width: 100%;
            max-width: 1920px;
            margin: 0 auto;
        }

        .grid-section {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 1rem;
            padding: 8rem 0;
            border-bottom: 1px solid var(--grid-line);
            position: relative;
        }

        /* Hintergrund Raster */
        .grid-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: -1;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            padding: 0 var(--spacing-container);
        }
        
        .grid-bg span {
            border-right: 1px solid var(--grid-line);
            height: 100%;
        }
        .grid-bg span:last-child { border: none; }
        .grid-bg span:first-child { border-left: 1px solid var(--grid-line); }

        /* --- HEADER --- */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-height);
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 var(--spacing-container);
            z-index: 100;
            background: rgba(8, 8, 8, 0.8);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--grid-line);
        }

        .logo {
            font-weight: 700;
            font-size: 1.2rem;
            letter-spacing: -0.03em;
        }

        nav ul {
            display: flex;
            gap: 3rem;
            list-style: none;
        }

        nav a {
            font-family: var(--font-mono);
            font-size: 0.85rem;
            text-transform: uppercase;
            position: relative;
        }

        nav a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0%;
            height: 1px;
            background: white;
            transition: width 0.3s ease;
        }

        nav a:hover::after {
            width: 100%;
        }

        /* --- HERO SECTION --- */
        .hero {
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding-top: var(--header-height);
            border-bottom: 1px solid var(--grid-line);
        }

        .hero-content {
            grid-column: 1 / -1;
        }

        .hero-meta {
            display: flex;
            justify-content: space-between;
            margin-top: 4rem;
            font-family: var(--font-mono);
            font-size: 0.9rem;
            color: var(--text-secondary);
            border-top: 1px solid var(--grid-line);
            padding-top: 1rem;
        }

        /* --- PROJEKTE (GALERIE GRID) --- */
        .gallery-grid {
            grid-column: 1 / -1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            row-gap: 6rem;
        }

        .gallery-item {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            cursor: pointer;
        }

        /* Bild-Container (Placeholder) */
        .gallery-image-container {
            width: 100%;
            aspect-ratio: 16 / 10;
            background-color: #1a1a1a;
            border: 1px solid rgba(255,255,255,0.05);
            overflow: hidden;
            position: relative;
            transition: border-color 0.3s ease;
        }
        
        .gallery-item:hover .gallery-image-container {
            border-color: rgba(255,255,255,0.3);
        }

        /* Placeholder Inhalt */
        .img-placeholder {
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #333;
            font-family: var(--font-mono);
            text-transform: uppercase;
            font-size: 0.8rem;
            transition: transform 0.7s cubic-bezier(0.2, 1, 0.3, 1);
        }

        .gallery-item:hover .img-placeholder {
            transform: scale(1.05);
            color: #555;
            background-color: #1f1f1f;
        }

        .gallery-meta {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            border-top: 1px solid var(--grid-line);
            padding-top: 1rem;
        }

        .gallery-title {
            font-size: 1.8rem;
            line-height: 1.1;
            margin-bottom: 0.5rem;
            display: block;
        }

        .gallery-tags {
            font-family: var(--font-mono);
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        .gallery-year {
            font-family: var(--font-mono);
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        /* --- SERVICES / ABOUT --- */
        .services-list {
            grid-column: 5 / -1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
        }

        .service-item h3 {
            font-size: 2rem;
            margin-bottom: 1rem;
        }

        .service-item p {
            color: var(--text-secondary);
            font-size: 1.1rem;
            max-width: 40ch;
        }

        .label-col {
            grid-column: 1 / 4;
        }

        /* --- FOOTER --- */
        .footer {
            padding: 4rem var(--spacing-container);
            border-top: 1px solid var(--grid-line);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
        }

        .footer-main {
            grid-column: 1 / 3;
        }

        .footer-big-link {
            font-size: clamp(2rem, 5vw, 4rem);
            line-height: 1;
            display: inline-block;
            margin-bottom: 2rem;
            border-bottom: 2px solid transparent;
            transition: border-color 0.3s;
        }
        
        .footer-big-link:hover {
            border-color: white;
        }

        .footer-links ul {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 0.5rem;
            font-family: var(--font-mono);
            color: var(--text-secondary);
        }
        
        .footer-links li a:hover {
            color: white;
        }

        /* --- UTILS --- */
        .reveal-text {
            overflow: hidden;
        }
        
        .cta-button {
            display: inline-block;
            padding: 1rem 2rem;
            border: 1px solid rgba(255,255,255,0.2);
            font-family: var(--font-mono);
            text-transform: uppercase;
            font-size: 0.9rem;
            margin-top: 2rem;
            transition: all 0.3s;
        }
        
        .cta-button:hover {
            background: white;
            color: black;
        }

        /* Mobile Anpassungen */
        @media (max-width: 768px) {
            .display-text { font-size: 3.5rem; }
            .grid-section { display: flex; flex-direction: column; padding: 4rem 0; }
            .services-list { grid-template-columns: 1fr; }
            
            /* Galerie Mobile Update */
            .gallery-grid { grid-template-columns: 1fr; gap: 4rem; }
            .gallery-item { margin-top: 0 !important; } /* Entfernt den Versatz auf Mobile */
            
            .grid-bg { display: none; }
            nav { display: none; } 
            .footer-grid { display: flex; flex-direction: column; }
        }
		
		/* --- SCROLL TO TOP BUTTON --- */
.scroll-top-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3rem;
    height: 3rem;
    background: rgba(8, 8, 8, 0.8);
    backdrop-filter: blur(5px);
    border: 1px solid var(--grid-line);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 900;
    cursor: pointer;
    opacity: 0; /* Standardmäßig unsichtbar */
    pointer-events: none; /* Nicht klickbar wenn unsichtbar */
    transition: all 0.3s ease;
}

.scroll-top-btn:hover {
    background: var(--text-primary);
    color: var(--bg-color);
    border-color: var(--text-primary);
}

.scroll-top-btn svg {
    width: 20px;
    height: 20px;
    stroke-width: 1.5px;
}

/* --- MOBILE MENU STYLES --- */

/* 1. Burger Button (Standardmäßig unsichtbar auf Desktop) */
.mobile-toggle {
    display: none; /* Desktop: aus */
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 200; /* Über dem Overlay */
    padding: 10px;
}

.mobile-toggle span {
    display: block;
    width: 30px;
    height: 2px;
    background-color: white;
    transition: all 0.3s ease;
}

/* Burger Animation zu X */
.mobile-toggle.is-active span:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
}
.mobile-toggle.is-active span:nth-child(2) {
    transform: translateY(-4px) rotate(-45deg);
}

/* 2. Mobile Overlay (Vollbild) */
.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--bg-color);
    z-index: 150;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
    
    /* Animation States */
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-overlay.is-open {
    opacity: 1;
    pointer-events: all;
    visibility: visible;
}

/* Links im Mobile Menu */
.mobile-links {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.mobile-link {
    font-size: clamp(2rem, 8vw, 4rem);
    text-transform: uppercase;
    color: var(--text-primary);
    border-bottom: 1px solid transparent;
    width: max-content;
    transition: opacity 0.3s;
}

.mobile-link:hover {
    opacity: 0.7;
}

.mobile-footer {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* --- MEDIA QUERY UPDATE --- */
@media (max-width: 768px) {
    /* Vorheriges "nav { display: none }" ersetzen durch: */
    
    .desktop-nav {
        display: none; /* Versteckt nur die Desktop-Liste */
    }

    .mobile-toggle {
        display: flex; /* Zeigt den Burger Button */
    }
}