/* Basis-Stile */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9fafb;
    color: #333;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Dark Mode */
body.dark-mode {
    background-color: #111827;
    color: #e5e7eb;
}

/* Layout Container */
.container {
    width: 90%;
    max-width: 900px;
    margin: 0 auto;
    padding: 30px;
}

/* Header */
.header {
    background: #2c3e50;
    color: white;
    padding: 30px 0;
    text-align: center;
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.8;
}

/* Theme Toggle Button */
.theme-toggle {
    position: absolute;
    top: 20px;
    right: 20px;
    background: #3498db;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
}

.theme-toggle:hover {
    background: #2980b9;
}

/* Abschnitte */
section {
    padding: 50px 30px;
    margin: 30px 0;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 8px rgba(0, 0, 0, 0.1);
}

.dark-mode section {
    background: #1f2937;
    box-shadow: 0 5px 8px rgba(255, 255, 255, 0.1);
}

h2 {
    color: #2c3e50;
    font-size: 1.8rem;
}

.dark-mode h2 {
    color: #93c5fd;
}

/* Fallberichte */
.case {
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: #f3f4f6;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 5px solid #2563eb;
}

.dark-mode .case {
    background: #374151;
    border-left: 5px solid #93c5fd;
}

/* Zitat */
.quote {
    font-style: italic;
    text-align: center;
    color: #555;
    margin: 30px 0;
    padding: 15px;
    font-size: 1.1rem;
}

.dark-mode .quote {
    color: #cbd5e1;
}

/* Call-to-Action Button */
.cta-button {
    display: inline-block;
    background: #3498db;
    color: white;
    padding: 15px 25px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.2s ease;
}

.cta-button:hover {
    background: #2980b9;
}

/* Footer */
footer {
    background: #1f2937;
    color: white;
    padding: 50px 20px;
    font-size: 1rem;
}

.footer-container {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Footer Columns */
.footer-columns {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    width: 100%;
    max-width: 1000px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-column {
    flex: 1;
    min-width: 250px;
    text-align: left;
}

.footer-column h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: #93c5fd;
}

.footer-column p, 
.footer-column a, 
.footer-column li {
    color: #e5e7eb;
    text-decoration: none;
    font-size: 0.95rem;
    line-height: 1.6;
    list-style: none;
    padding: 3px 0;
}

.footer-column a:hover {
    color: #60a5fa;
    text-decoration: underline;
}

/* Footer Bottom */
.footer-bottom {
    margin-top: 30px;
    text-align: center;
    font-size: 0.9rem;
}

.footer-disclaimer {
    margin-top: 10px;
    opacity: 0.8;
}

.footer-disclaimer a {
    color: #60a5fa;
}

.footer-disclaimer a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .footer-columns {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }

    .footer-column {
        text-align: center;
    }

    .theme-toggle {
        top: 15px;
        right: 15px;
        padding: 8px 12px;
    }

    .container {
        padding: 20px;
    }

    section {
        padding: 40px 20px;
    }
}