/* CSS Variables */
:root {
    /* Colors */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --accent-color: #10b981;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --background-light: #f8fafc;
    --background-white: #ffffff;
    --border-color: #e2e8f0;
    --shadow-light: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-medium: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-large: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --font-size-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
    --font-size-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
    --font-size-lg: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
    --font-size-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
    --font-size-2xl: clamp(1.5rem, 1.3rem + 1vw, 2rem);
    --font-size-3xl: clamp(2rem, 1.8rem + 1.25vw, 2.5rem);
    --font-size-4xl: clamp(2.5rem, 2.2rem + 1.5vw, 3rem);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-white);
}

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

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

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

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

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

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

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

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

.btn-secondary {
    background-color: var(--background-light);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--border-color);
    color: var(--text-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

.btn-icon {
    width: 1.25rem;
    height: 1.25rem;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    background-color: var(--background-white);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    box-shadow: var(--shadow-light);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
}

.logo a {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

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

/* Navigation */
.nav {
    display: flex;
    align-items: center;
}

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

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    margin: 2px 0;
    transition: var(--transition-fast);
}

/* Language Toggle */
.language-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.lang-btn {
    background: none;
    border: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    cursor: pointer;
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

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

.lang-btn:not(.active) {
    color: var(--text-secondary);
}

.lang-btn:not(.active):hover {
    background-color: var(--background-light);
    color: var(--text-primary);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.unsplash.com/photo-1552664730-d307ca884978');
    background-size: cover;
    background-position: center;
    opacity: 0.1;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

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

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

/* Page Header */
.page-header {
    background-color: var(--background-light);
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.page-title {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
}

/* Sections */
section {
    padding: var(--spacing-2xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.service-card {
    background-color: var(--background-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-medium);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-large);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.service-title {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.service-list {
    list-style: none;
    padding: 0;
}

.service-list li {
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: var(--spacing-md);
}

.service-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

/* Services Detail */
.service-detail-grid {
    display: grid;
    gap: var(--spacing-xl);
}

.service-detail-card {
    background-color: var(--background-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-medium);
}

.service-detail-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.service-detail-title {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.service-detail-intro {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
}

.service-detail-content h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.service-detail-list {
    list-style: none;
    padding: 0;
    margin-bottom: var(--spacing-lg);
}

.service-detail-list li {
    padding: var(--spacing-sm) 0;
    position: relative;
    padding-left: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.service-detail-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.service-cta {
    margin-top: var(--spacing-lg);
}

/* Why Us */
.why-us {
    background-color: var(--background-light);
}

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

.why-card {
    text-align: center;
    padding: var(--spacing-lg);
}

.why-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.why-title {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.why-text {
    color: var(--text-secondary);
}

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

.about-text h2 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

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

.value-item {
    text-align: center;
    padding: var(--spacing-md);
}

.value-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.value-item h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.value-item p {
    color: var(--text-secondary);
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-medium);
}

/* Team */
.team-member {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.member-info h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.member-title {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.member-description {
    color: var(--text-secondary);
}

/* FAQ */
.faq-grid {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--background-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: var(--spacing-md);
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 500;
    color: var(--text-primary);
    transition: background-color var(--transition-fast);
}

.faq-question:hover {
    background-color: var(--background-light);
}

.faq-icon {
    width: 1.5rem;
    height: 1.5rem;
    transition: transform var(--transition-fast);
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 var(--spacing-md);
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.faq-question[aria-expanded="true"] + .faq-answer {
    padding: 0 var(--spacing-md) var(--spacing-md);
    max-height: 200px;
}

.faq-answer p {
    color: var(--text-secondary);
    margin: 0;
}

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

.gallery-item {
    background-color: var(--background-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    transition: transform var(--transition-normal);
}

.gallery-item:hover {
    transform: translateY(-4px);
}

.gallery-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.gallery-caption {
    padding: var(--spacing-md);
}

.gallery-caption h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.gallery-caption p {
    color: var(--text-secondary);
    margin: 0;
}

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

.contact-info {
    display: grid;
    gap: var(--spacing-lg);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.contact-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-details h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.contact-details p {
    color: var(--text-secondary);
    margin: 0;
}

.contact-details a {
    color: var(--primary-color);
}

.contact-map {
    height: 400px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
}

.contact-map iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Contact CTA */
.contact-cta {
    background-color: var(--background-light);
    text-align: center;
}

.cta-content h2 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
}

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

/* Footer */
.footer {
    background-color: var(--text-primary);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

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

.footer-title {
    color: white;
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    color: #cbd5e1;
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: #cbd5e1;
}

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

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

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

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background-color: #374151;
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

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

.social-links svg {
    width: 1.25rem;
    height: 1.25rem;
}

.language-toggle-footer {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.lang-btn-footer {
    background: none;
    border: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    cursor: pointer;
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
    color: #cbd5e1;
}

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

.lang-btn-footer:not(.active):hover {
    background-color: #374151;
    color: white;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: var(--spacing-lg);
    text-align: center;
    color: #9ca3af;
}

/* Floating WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 3.5rem;
    height: 3.5rem;
    background-color: #25d366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-large);
    z-index: 1000;
    transition: all var(--transition-fast);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 10px 10px -5px rgb(0 0 0 / 0.04);
}

.whatsapp-float svg {
    width: 1.75rem;
    height: 1.75rem;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--text-primary);
    color: white;
    padding: var(--spacing-md) 0;
    z-index: 999;
    transform: translateY(100%);
    transition: transform var(--transition-normal);
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.cookie-content p {
    margin: 0;
    flex: 1;
    min-width: 300px;
}

.cookie-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

/* Impressum & Datenschutz */
.impressum-content,
.datenschutz-content {
    max-width: 800px;
    margin: 0 auto;
}

.impressum-section,
.datenschutz-section {
    margin-bottom: var(--spacing-xl);
}

.impressum-section h2,
.datenschutz-section h2 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.impressum-section h3,
.datenschutz-section h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.impressum-section p,
.datenschutz-section p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.impressum-section ul,
.datenschutz-section ul {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-lg);
}

.impressum-section li,
.datenschutz-section li {
    margin-bottom: var(--spacing-xs);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--background-white);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-medium);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-lg);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .services-grid,
    .why-grid,
    .values-grid {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cookie-content {
        flex-direction: column;
        text-align: center;
    }

    .cookie-buttons {
        justify-content: center;
    }

    .whatsapp-float {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        width: 3rem;
        height: 3rem;
    }

    .whatsapp-float svg {
        width: 1.5rem;
        height: 1.5rem;
    }
}

@media (min-width: 768px) {
    .about-content {
        grid-template-columns: 2fr 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr 1fr;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

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

/* Print styles */
@media print {
    .header,
    .footer,
    .whatsapp-float,
    .cookie-banner {
        display: none;
    }
}