/* Modern CSS mit Dark/Light Mode Support */
:root {
    /* Light Theme */
    --bg-primary: #ffffff;
    --bg-secondary: #f3f3f3;
    --bg-tertiary: #eeeeee;
    --bg-quaternary: #f8f8f8;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #868e96;
    --border-color: #dee2e6;
    --shadow-color: rgba(0, 0, 0, 0.1);
    
    /* Brand Colors */
    --primary-color: #667eea;
    --primary-dark: #5a67d8;
    --secondary-color: #ed64a6;
    --success-color: #48bb78;
    --warning-color: #ed8936;
    --error-color: #f56565;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --gradient-dark: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Typography */
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: #1a202c;
    --bg-secondary: #2d3748;
    --bg-tertiary: #4a5568;
    --bg-quaternary: #27303f;
    --text-primary: #f7fafc;
    --text-secondary: #e2e8f0;
    --text-muted: #a0aec0;
    --border-color: #4a5568;
    --shadow-color: rgba(0, 0, 0, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

a {
    font-weight: 600;
    color: var(--text-primary);
}

/* Container */
.container {
    max-width: 70%;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* Header & Navigation */
.site-header {
    background: var(--bg-primary);
    box-shadow: 0 2px 10px var(--shadow-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar {
    padding: var(--spacing-md) 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand a {
    font-size: var(--font-size-xl);
    font-weight: bold;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav-brand a:hover {
    color: var(--primary-color);
    transition: color var(--transition-fast);
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background-color: var(--bg-secondary);
}

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

.theme-toggle,
.mobile-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.theme-toggle:hover,
.mobile-toggle:hover {
    color: var(--primary-color);
    background-color: var(--bg-secondary);
}

.mobile-toggle {
    display: none;
}

/* Hero Section */
.hero {
    padding: var(--spacing-2xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: var(--bg-secondary);
}

.hero-section {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-2xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="white" opacity="0.1"><polygon points="0,0 1000,0 1000,100 0,80"/></svg>');
    background-size: cover;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
    font-weight: bold;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-md);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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

/* Main Content */
.main-content {
    min-height: calc(100vh - 200px);
}

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

.page-header h1 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.page-excerpt {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.page-content,
.home-content {
    max-width: 100%;
    margin: 0 auto;
    line-height: 1.8;
}

.page-content h1,
.page-content h2,
.page-content h3,
.page-content h4,
.page-content h5,
.page-content h6,
.home-content h1,
.home-content h2,
.home-content h3,
.home-content h4,
.home-content h5,
.home-content h6 {
    margin: var(--spacing-xl) 0 var(--spacing-md) 0;
    color: var(--text-primary);
}

.page-content p,
.home-content p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.page-content img,
.home-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
}

/* Contact Form */
.container-grid {
    display: flex;
    flex-wrap: wrap;
}

.contact-info {
    min-width: 350px;
    max-width: 350px;
    margin: 0 var(--spacing-xl) var(--spacing-xl) 0;
    border-right: solid 1px var(--bg-secondary);
    padding-right: var(--spacing-xl);
}

.contact-item:first-child p, .contact-item:last-child p {
    background: var(--bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
}

.contact-item i {
    background: var(--bg-secondary);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
}

.contact-item h4 {
    margin: var(--spacing-lg) 0 var(--spacing-md) 0;
}

.contact-item > div > div {
    display: flex;
    align-items: center;
}

.contact-item > div > div > p {
    margin: 0px 0px 0px var(--spacing-md);
}

.contact-form-container {
    flex: 1;
    max-width: 100%;
    margin: var(--spacing-xl) auto;
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
    min-width: 600px;
}

.contact-form h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
}

.contact-form .btn-primary {
    width: 100%;
    height: 60px;
    justify-content: center;
    font-weight: 600;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

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

.form-group.rowend {
    padding-bottom: var(--spacing-xl);
    border-bottom: solid 1px var(--border-color);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: var(--font-size-md);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

/* Footer */
.site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-2xl) 0 var(--spacing-md) 0;
    margin-top: var(--spacing-2xl);
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-section:first-child > p {
    line-height: 1.65;
}

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

.footer-links li {
    margin-bottom: 11px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-color);
}

.contact-info p {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.contact-info p i {
    margin-top: 6px;
}

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

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -2px 10px var(--shadow-color);
    z-index: 10000;
    padding: var(--spacing-md);
}

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

.cookie-text {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
}

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

.cookie-buttons .btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}

/* Notifications */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    color: white;
    font-weight: 500;
    box-shadow: 0 4px 15px var(--shadow-color);
    z-index: 10001;
    transform: translateX(400px);
    transition: transform var(--transition-normal);
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    background: var(--success-color);
}

.notification.error {
    background: var(--error-color);
}

.notification.warning {
    background: var(--warning-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: 0 2px 10px var(--shadow-color);
        transform: translateY(-100vh);
        transition: transform var(--transition-normal);
    }
    
    .nav-menu.active {
        transform: translateY(0);
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-form-container {
        margin: var(--spacing-md);
        padding: var(--spacing-md);
    }
}

/* Loading Animation */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.fa-spin {
    animation: spin 1s linear infinite;
}

/* Smooth Scrolling */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* Focus Styles for Accessibility */
button:focus,
input:focus,
textarea:focus,
a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .site-header,
    .site-footer,
    .cookie-banner,
    .notification {
        display: none;
    }
    
    .main-content {
        padding: 0;
    }
}

/* Breadcrumbs */

.breadcrumb {
    background: var(--bg-quaternary);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.breadcrumb-link {
    color: var(--text-secondary);
    text-decoration: none;
}

.breadcrumb-link:hover {
    color: var(--primary-color);
}

.breadcrumb-separator {
    margin: 0 0.5rem;
    color: var(--text-secondary);
}

.breadcrumb-current {
    color: var(--text-primary);
    font-weight: 500;
}

body#maintenance .main-content {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    font-size: 2rem;
    position: relative;
}

body#maintenance .main-content::before {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="white" opacity="0.1"><polygon points="0,0 1000,0 1000,100 0,80"/></svg>');
    background-size: cover;
}

.maintenance_mode {
    z-index: 100;
}