*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        body { background-color: var(--bg-body); color: var(--text-copy); font-family: 'Inter', sans-serif; overflow-x: hidden; }
        .container { max-width: 1400px; margin-inline: auto; padding-inline: 2rem; }

        /* HEADER & TOP BAR */
        .main-header { position: sticky; top: 0; z-index: 1000; background: var(--bg-alt); border-bottom: 2px solid var(--card-border); }
        .top-bar { background: var(--text-bold); color: #fff; padding: 0.6rem 0; font-size: 0.8rem; font-weight: 600; }
        .top-bar .container { display: flex; justify-content: flex-end; align-items: center; gap: 2rem; }
        .top-bar a { color: inherit; text-decoration: none; }
        .theme-btn { background: var(--accent); color: #fff; border: none; padding: 0.4rem 1rem; border-radius: 4px; cursor: pointer; font-weight: 800; font-size: 0.7rem; margin-left: 1rem; }

        .nav-wrapper { display: flex; justify-content: space-between; align-items: center; height: 80px; }
        .logo { font-weight: 900; font-size: 1.6rem; color: var(--text-bold); text-decoration: none; }
        .main-nav ul { display: flex; gap: 2rem; list-style: none; }
        .main-nav a { text-decoration: none; color: var(--text-bold); font-weight: 700; text-transform: uppercase; font-size: 0.85rem; }

        /* SIDEBAR LINKS (SERVICE) */
        .side-actions { position: fixed; left: 0; top: 50%; transform: translateY(-50%); z-index: 2000; display: flex; flex-direction: column; gap: 0.8rem; }
        .action-item { 
            display: flex; align-items: center; background: var(--text-bold); color: #fff; text-decoration: none; 
            padding: 1rem; border-radius: 0 50px 50px 0; width: 65px; overflow: hidden; transition: 0.4s cubic-bezier(0.2, 1, 0.3, 1);
            box-shadow: 5px 5px 15px rgba(0,0,0,0.1);
        }
        .action-item:hover { width: 240px; background: var(--accent); }
        .action-item.troubleshoot { background: var(--troubleshoot); }
        .action-item .label { margin-left: 1.5rem; font-weight: 800; opacity: 0; }
        .action-item:hover .label { opacity: 1; }

        /* SIDEBAR RECHTS (SOCIALS) */
        .social-sidebar { position: fixed; right: 0; top: 50%; transform: translateY(-50%); z-index: 2000; display: flex; flex-direction: column; 
            background: var(--text-bold); padding: 1.5rem 0.8rem; border-radius: 40px 0 0 40px; gap: 1.2rem; box-shadow: -5px 5px 15px rgba(0,0,0,0.1); }
        .social-link { color: #fff; text-decoration: none; font-weight: 900; font-size: 0.9rem; transition: 0.3s; }
        .social-link:hover { color: var(--accent); transform: scale(1.2); }

        /* SEKTIONEN MIT SCHATTEN */
        .content-section { padding: 6rem 0; background: var(--bg-alt); margin-bottom: 4rem; box-shadow: var(--section-shadow); }

        /* CARDS MIT RAHMEN UND 40PX RADIUS */
        .grid { display: grid; gap: 2rem; }
        .grid-6 { grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); }
        .grid-8 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

        .card { 
            background: var(--bg-alt); border: 2px solid var(--card-border); 
            border-radius: var(--radius-master); padding: 3rem 2rem; 
            transition: 0.4s; position: relative;
        }
        
        /* Update für die Cards mit weichem Schlagschatten */
.card { 
    background: var(--bg-alt); 
    border: 2px solid var(--card-border); 
    border-radius: var(--radius-master); 
    padding: 3rem 2rem; 
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1); /* Seidige Transition */
    position: relative;
    
    /* Der softe Schlagschatten */
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.05), 
        0 10px 20px -5px rgba(0, 0, 0, 0.08); 
}

.card:hover { 
    transform: translateY(-8px); 
    border-color: var(--accent); 
    
    /* Verstärkter Schatten beim Hover für den "Lift-Effekt" */
    box-shadow: 
        0 20px 25px -5px rgba(0, 0, 0, 0.1), 
        0 10px 10px -5px rgba(0, 0, 0, 0.04); 
}

/* Dunkler Modus Anpassung für Schatten (weniger Kontrast nötig) */
[data-theme="dark"] .card {
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}
        .card:hover { transform: translateY(-10px); border-color: var(--accent); box-shadow: 0 20px 40px rgba(0,0,0,0.1); }
        .card h3 { color: var(--text-bold); margin-bottom: 1rem; text-transform: uppercase; }

        .impression-img { 
            height: 250px; background-size: cover; background-position: center; 
            border-radius: var(--radius-master); margin-bottom: 1.5rem; border: 1px solid var(--card-border);
        }

        /* HERO VIDEO */
        .hero-container { 
            position: relative; height: 60vh; background: #000; border-radius: var(--radius-master); 
            overflow: hidden; margin-bottom: 4rem; box-shadow: var(--section-shadow);
        }
        #header-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.5; }
        .hero-content { position: relative; z-index: 10; height: 100%; display: flex; flex-direction: column; justify-content: center; align-items: center; color: #fff; text-align: center; }

        /* FOOTER */
        .main-footer { background: var(--text-bold); color: #fff; padding: 6rem 0 2rem; border-radius: 80px 0 0 0; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 4rem; }

        .reveal { opacity: 0; transform: translateY(30px); transition: 0.8s ease-out; }
        .reveal.is-active { opacity: 1; transform: translateY(0); }

        @media (max-width: 768px) {
            .side-actions, .social-sidebar { display: none; }
        }