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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background-color: #ffffff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid #e9ecef;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo a {
    font-size: 24px;
    font-weight: 700;
    color: #2c3e50;
    text-decoration: none;
    transition: color 0.3s ease;
}

.logo a:hover {
    color: #3498db;
}

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

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    text-decoration: none;
    color: #34495e;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 8px 12px;
    border-radius: 4px;
}

nav ul li a:hover {
    color: #3498db;
    background-color: #f8f9fa;
}

/* Hero-Bereich */
.hero {
    background: linear-gradient(135deg, #3498db, #8e44ad);
    color: white;
    padding: 120px 0;
    text-align: center;
    margin-bottom: 40px;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

/* Buttons */
.btn-primary {
    display: inline-block;
    background-color: #e74c3c;
    color: white;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
}

.btn-primary:hover {
    background-color: #c0392b;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(231, 76, 60, 0.4);
}

/* Dienstleistungen */
.services {
    padding: 80px 0;
    background-color: white;
}

.services h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #2c3e50;
    position: relative;
}

.services h2::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: #3498db;
    margin: 15px auto;
    border-radius: 2px;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: #f8f9fa;
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    text-align: center;
    border: 1px solid #e9ecef;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    border-color: #3498db;
}

.service-card h3 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.service-card p {
    color: #6c757d;
    line-height: 1.7;
}

/* Über uns */
.about {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.about h1 {
    color: #2c3e50;
    margin-bottom: 30px;
    font-size: 2.5rem;
    text-align: center;
}

.about h2 {
    color: #2c3e50;
    margin: 40px 0 20px;
    font-size: 1.8rem;
}

.about p {
    color: #495057;
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 25px;
}

.about ul {
    margin: 30px 0;
    padding-left: 30px;
}

.about li {
    margin-bottom: 15px;
    font-size: 1.1rem;
    line-height: 1.7;
}

/* Kontaktbereich */
.contact-section {
    padding: 80px 0;
    background-color: white;
}

.contact-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #2c3e50;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-form {
    background: #f8f9fa;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #2c3e50;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ced4da;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background-color: white;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.contact-info {
    background: #f8f9fa;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.contact-info h3 {
    color: #2c3e50;
    margin-bottom: 25px;
    font-size: 1.5rem;
}

.contact-info p {
    margin-bottom: 15px;
    color: #495057;
    line-height: 1.7;
}

/* Fehlerseiten */
.error-page {
    padding: 100px 0;
    background-color: white;
    text-align: center;
}

.error-content h1 {
    font-size: 6rem;
    color: #e74c3c;
    margin-bottom: 20px;
    font-weight: 700;
}

.error-content h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 20px;
}

.error-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: #6c757d;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

/* Footer */
footer {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 40px 0;
    margin-top: 60px;
}

footer a {
    color: #3498db;
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: #ffffff;
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .services h2,
    .contact-section h2 {
        font-size: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    nav ul li {
        margin-left: 20px;
    }
}

@media (max-width: 768px) {
    nav {
        flex-direction: column;
        padding: 15px 0;
    }
    
    nav ul {
        margin-top: 15px;
    }
    
    nav ul li {
        margin: 0 10px;
    }
    
    .hero {
        padding: 80px 0;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .services {
        padding: 60px 0;
    }
    
    .about {
        padding: 60px 0;
    }
    
    .contact-section {
        padding: 60px 0;
    }
    
    .error-page {
        padding: 80px 0;
    }
    
    .error-content h1 {
        font-size: 5rem;
    }
    
    .error-content h2 {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    nav ul li {
        margin: 5px 10px;
    }
    
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .hero-content p {
        font-size: 0.9rem;
    }
    
    .btn-primary {
        padding: 12px 25px;
        font-size: 0.9rem;
    }
    
    .services h2,
    .contact-section h2 {
        font-size: 1.8rem;
    }
    
    .service-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .service-card {
        padding: 30px 20px;
    }
    
    .contact-form,
    .contact-info {
        padding: 30px 20px;
    }
    
    .error-content h1 {
        font-size: 4rem;
    }
    
    .error-content h2 {
        font-size: 1.8rem;
    }
    
    .error-content p {
        font-size: 1rem;
    }
}