/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors - Professional German palette */
    --primary-color: #2C3E50;
    --secondary-color: #34495E;
    --accent-color: #E74C3C;
    --text-color: #2C3E50;
    --text-light: #7F8C8D;
    --bg-color: #FFFFFF;
    --bg-light: #F8F9FA;
    --border-color: #E5E5E5;
    --success-color: #27AE60;
    --warning-color: #F39C12;
    
    /* Typography */
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Borders */
    --border-radius: 4px;
    --border-radius-lg: 8px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--text-color);
    background-color: var(--bg-color);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-sm);
}

ul, ol {
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-lg);
}

li {
    margin-bottom: var(--spacing-xs);
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    text-align: center;
    font-size: var(--font-size-base);
}

.btn-primary {
    background-color: var(--accent-color);
    color: white;
}

.btn-primary:hover {
    background-color: #C0392B;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Header */
.header {
    background-color: white;
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo {
    height: 40px;
    width: 40px;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    margin: 0;
    padding: 0;
}

.nav-list a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
}

.nav-list a:hover,
.nav-list a.active {
    color: var(--accent-color);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 3px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

/* Main Content */
.main-content {
    margin-top: 80px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--bg-light) 0%, white 100%);
    padding: var(--spacing-xxl) 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-text h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.hero-text p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.hero-image img {
    width: 100%;
    height: auto;
}

/* Services Section */
.services {
    padding: var(--spacing-xxl) 0;
    background-color: var(--bg-light);
}

.services h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    font-size: 2.5rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-card img {
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-sm);
}

.service-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

/* About Section */
.about-preview {
    padding: var(--spacing-xxl) 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-image img {
    width: 100%;
    height: auto;
}

/* Testimonials */
.testimonials {
    padding: var(--spacing-xxl) 0;
    background-color: var(--bg-light);
}

.testimonials h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    font-size: 2.5rem;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.testimonial-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.testimonial-card img {
    width: 60px;
    height: 60px;
    margin-bottom: var(--spacing-sm);
}

.testimonial-author {
    margin-top: var(--spacing-sm);
}

.testimonial-author strong {
    display: block;
    color: var(--primary-color);
}

.testimonial-author span {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Blog Section */
.blog-preview {
    padding: var(--spacing-xxl) 0;
}

.blog-preview h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    font-size: 2.5rem;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.blog-card {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition);
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.blog-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.blog-content {
    padding: var(--spacing-lg);
}

.blog-content h3 {
    margin-bottom: var(--spacing-sm);
}

.blog-content h3 a {
    text-decoration: none;
    color: var(--primary-color);
}

.blog-content h3 a:hover {
    color: var(--accent-color);
}

.read-more {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
}

.blog-center {
    text-align: center;
}

/* Contact Section */
.contact {
    padding: var(--spacing-xxl) 0;
    background-color: var(--bg-light);
}

.contact h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    font-size: 2.5rem;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.contact-info {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-info img {
    width: 60px;
    height: 60px;
    margin-bottom: var(--spacing-sm);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.social-links a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
}

.contact-form {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: white;
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
    margin-bottom: var(--spacing-sm);
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: #BDC3C7;
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--secondary-color);
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.page-icon {
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-sm);
}

/* About Page */
.about-full {
    padding: var(--spacing-xxl) 0;
}

.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    margin-bottom: var(--spacing-xxl);
}

.mission-vision {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xxl);
}

.company-history {
    margin-bottom: var(--spacing-xxl);
}

.timeline {
    position: relative;
    padding-left: var(--spacing-xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--accent-color);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xl);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -28px;
    top: 0;
    width: 16px;
    height: 16px;
    background-color: var(--accent-color);
    border-radius: 50%;
}

.timeline-year {
    font-weight: 700;
    color: var(--accent-color);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.value-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-light);
    border-radius: var(--border-radius-lg);
}

/* Blog Page */
.blog-articles {
    padding: var(--spacing-xxl) 0;
}

.blog-meta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.blog-date, .blog-category {
    font-size: 0.9rem;
    color: var(--text-light);
}

.blog-category {
    background-color: var(--accent-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
}

/* Article Page */
.article-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: var(--spacing-xxl) 0;
}

.article-meta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    align-items: center;
}

.back-link {
    color: #BDC3C7;
    text-decoration: none;
}

.back-link:hover {
    color: white;
}

.article-date, .article-category {
    font-size: 0.9rem;
    color: #BDC3C7;
}

.article-category {
    background-color: var(--accent-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
}

.article-subtitle {
    font-size: 1.2rem;
    color: #BDC3C7;
}

.article-content {
    padding: var(--spacing-xxl) 0;
}

.article-image {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.article-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
}

.article-body {
    max-width: 800px;
    margin: 0 auto;
}

.article-navigation {
    background-color: var(--bg-light);
    padding: var(--spacing-lg) 0;
}

.nav-links {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-prev, .nav-next, .nav-back {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
}

/* Legal Pages */
.legal-content {
    padding: var(--spacing-xxl) 0;
}

.legal-content h2 {
    color: var(--primary-color);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
}

.legal-content h3 {
    color: var(--secondary-color);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.cookie-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-lg) 0;
}

.cookie-table th,
.cookie-table td {
    border: 1px solid var(--border-color);
    padding: var(--spacing-sm);
    text-align: left;
}

.cookie-table th {
    background-color: var(--bg-light);
    font-weight: 600;
}

/* Thanks Page */
.thanks-section {
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

.thanks-content {
    max-width: 800px;
    margin: 0 auto;
}

.thanks-icon {
    margin-bottom: var(--spacing-lg);
}

.thanks-message {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
}

.next-steps {
    margin-bottom: var(--spacing-xl);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.step-item {
    text-align: center;
}

.step-number {
    width: 50px;
    height: 50px;
    background-color: var(--accent-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    margin: 0 auto var(--spacing-sm);
}

.contact-info {
    background-color: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-xl);
}

.contact-details {
    margin-top: var(--spacing-sm);
}

.thanks-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

.services-preview {
    padding: var(--spacing-xxl) 0;
    background-color: var(--bg-light);
}

/* CTA Section */
.cta-section, .newsletter-cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

.cta-section h2, .newsletter-cta h2 {
    margin-bottom: var(--spacing-sm);
}

.cta-section p, .newsletter-cta p {
    margin-bottom: var(--spacing-lg);
    font-size: 1.1rem;
}

/* Cookie Notice */
.cookie-notice {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--primary-color);
    color: white;
    padding: var(--spacing-sm);
    z-index: 1001;
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
}

.cookie-buttons {
    display: flex;
    gap: var(--spacing-xs);
}

.cookie-buttons button {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.9rem;
    color: #fff;
}

.cookie-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1002;
}

.cookie-modal-content {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    max-width: 500px;
    width: 90%;
}

.cookie-category {
    margin-bottom: var(--spacing-sm);
}

.cookie-modal-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    margin-top: var(--spacing-lg);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .about-content,
    .about-intro,
    .mission-vision,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .services-grid,
    .testimonials-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons,
    .thanks-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .nav-links {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-xs);
    }
    
    .hero-text h1 {
        font-size: 1.5rem;
    }
    
    .services h2,
    .testimonials h2,
    .blog-preview h2 {
        font-size: 1.8rem;
    }
    
    .cookie-buttons {
        flex-direction: column;
    }
    
    .cookie-modal-content {
        width: 95%;
        padding: var(--spacing-sm);
    }
}
