/* Reset und Basis-Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

:root {
    /* Light Mode Colors */
    --primary-color: #007aff;
    --secondary-color: #5856d6;
    --text-color: #1d1d1f;
    --text-secondary: #86868b;
    --background-color: #ffffff;
    --background-secondary: #f5f5f7;
    --border-color: #f2f2f2;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --card-background: #ffffff;
    --navbar-background: rgba(255, 255, 255, 0.8);
    --footer-background: #1d1d1f;
    --footer-text: #86868b;
}

[data-theme="dark"] {
    /* Dark Mode Colors */
    --primary-color: #0a84ff;
    --secondary-color: #5e5ce6;
    --text-color: #ffffff;
    --text-secondary: #98989d;
    --background-color: #000000;
    --background-secondary: #1c1c1e;
    --border-color: #38383a;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --card-background: #1c1c1e;
    --navbar-background: rgba(0, 0, 0, 0.8);
    --footer-background: #1c1c1e;
    --footer-text: #98989d;
}

body {
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    overflow-x: hidden;
    transition: all 0.3s ease;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--navbar-background);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.logo-image {
    height: 45px;
    width: auto;
    transition: all 0.3s ease;
    filter: drop-shadow(0 2px 8px var(--shadow-color));
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
    letter-spacing: -0.5px;
}

.nav-logo:hover .logo-image {
    transform: scale(1.05);
    filter: drop-shadow(0 4px 16px var(--shadow-color));
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.3s ease;
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background: var(--background-secondary);
    transform: scale(1.1);
}

.theme-toggle .sun-icon,
.theme-toggle .moon-icon {
    width: 20px;
    height: 20px;
    transition: all 0.3s ease;
}

[data-theme="dark"] .theme-toggle .sun-icon {
    opacity: 0;
    transform: rotate(90deg);
}

[data-theme="dark"] .theme-toggle .moon-icon {
    opacity: 1;
    transform: rotate(0deg);
}

[data-theme="light"] .theme-toggle .sun-icon {
    opacity: 1;
    transform: rotate(0deg);
}

[data-theme="light"] .theme-toggle .moon-icon {
    opacity: 0;
    transform: rotate(-90deg);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 2rem 2rem;
    background: var(--background-color);
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.parallax-layer {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    opacity: 0.05;
}

.layer-1 {
    width: 400px;
    height: 400px;
    top: -100px;
    right: -100px;
}

.layer-2 {
    width: 300px;
    height: 300px;
    top: 50%;
    left: -50px;
}

.layer-3 {
    width: 200px;
    height: 200px;
    bottom: 100px;
    right: 20%;
}

.layer-4 {
    width: 150px;
    height: 150px;
    top: 20%;
    left: 30%;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    z-index: 2;
    position: relative;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.title-line {
    display: block;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.title-line:nth-child(2) {
    animation-delay: 0.2s;
}

.title-line:nth-child(3) {
    animation-delay: 0.4s;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease 0.6s forwards;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease 0.8s forwards;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 122, 255, 0.3);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.hero-visual {
    flex: 1;
    position: relative;
    height: 500px;
    z-index: 2;
}

.floating-elements {
    position: relative;
    width: 100%;
    height: 100%;
}

.floating-element {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.element-1 {
    width: 200px;
    height: 200px;
    top: 20%;
    right: 10%;
    animation-delay: 0s;
}

.element-2 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 30%;
    animation-delay: 2s;
}

.element-3 {
    width: 100px;
    height: 100px;
    top: 30%;
    right: 50%;
    animation-delay: 4s;
}

.element-4 {
    width: 120px;
    height: 120px;
    top: 70%;
    right: 60%;
    animation-delay: 6s;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    z-index: 2;
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 2px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 1px;
    position: relative;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -3px;
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    transform: rotate(45deg);
}

/* Services Section */
.services {
    padding: 100px 0;
    background: var(--background-color);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--card-background);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px var(--shadow-color);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px var(--shadow-color);
}

.service-card:hover::before {
    opacity: 0.05;
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.service-icon svg {
    width: 40px;
    height: 40px;
}

.service-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.service-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Process Section */
.process {
    padding: 100px 0;
    background: var(--background-secondary);
}

.process-timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
    transform: translateX(-50%);
}

.process-step {
    display: flex;
    align-items: center;
    margin-bottom: 3rem;
    position: relative;
}

.process-step:nth-child(even) {
    flex-direction: row-reverse;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
    z-index: 2;
    box-shadow: 0 4px 20px var(--shadow-color);
}

.step-content {
    flex: 1;
    padding: 2rem;
    background: var(--card-background);
    border-radius: 20px;
    box-shadow: 0 4px 20px var(--shadow-color);
    margin: 0 2rem;
    position: relative;
}

.step-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-color);
}

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

/* About Section */
.about {
    padding: 100px 0;
    background: var(--background-color);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.team-section {
    margin-top: 3rem;
}

.team-title {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.team-members {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.team-member-card {
    background: var(--card-background);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px var(--shadow-color);
}

.team-member-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px var(--shadow-color);
}

.member-photo {
    margin-bottom: 1.5rem;
}

.photo-placeholder {
    width: 120px;
    height: 120px;
    background: var(--background-secondary);
    border-radius: 50%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    border: 3px solid var(--border-color);
    transition: all 0.3s ease;
}

.team-member-card:hover .photo-placeholder {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.photo-placeholder svg {
    width: 50px;
    height: 50px;
}

.member-info {
    text-align: center;
}

.member-name {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.member-position {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.5;
}

.about-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.team-illustration {
    width: 300px;
    height: 300px;
    background: var(--background-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.2rem;
    position: relative;
}

.team-member {
    position: absolute;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    opacity: 0.8;
}

.team-member:nth-child(1) {
    top: 20%;
    left: 20%;
}

.team-member:nth-child(2) {
    top: 60%;
    right: 20%;
}

.team-member:nth-child(3) {
    bottom: 20%;
    left: 50%;
    transform: translateX(-50%);
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--background-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
}

.contact-details h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-color);
}

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

.contact-form {
    background: var(--card-background);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px var(--shadow-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
    background: var(--background-secondary);
    color: var(--text-color);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--footer-background);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-logo-image {
    height: 45px;
    width: auto;
    filter: brightness(0) invert(1);
    transition: all 0.3s ease;
}

.footer-brand-text h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: white;
}

.footer-brand-text p {
    font-size: 0.9rem;
    color: var(--footer-text);
    margin: 0;
}

.footer-brand:hover .footer-logo-image {
    transform: scale(1.05);
    filter: brightness(0) invert(1) drop-shadow(0 0 10px rgba(255, 255, 255, 0.3));
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--footer-text);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: #333;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #333;
    color: var(--footer-text);
}

.footer-legal {
    margin-top: 1rem;
    font-size: 0.75rem;
    opacity: 0.7;
}

.legal-link {
    color: var(--footer-text);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.legal-separator {
    margin: 0 0.5rem;
    opacity: 0.5;
}

/* Legal Modal Styles */
.legal-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
}

.legal-modal-content {
    background-color: var(--card-background);
    margin: 5% auto;
    padding: 0;
    border-radius: 20px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px var(--shadow-color);
    border: 1px solid var(--border-color);
}

.legal-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--background-secondary);
    border-radius: 20px 20px 0 0;
}

.legal-modal-header h2 {
    margin: 0;
    color: var(--text-color);
    font-size: 1.5rem;
    font-weight: 600;
}

.legal-modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-color);
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.legal-modal-close:hover {
    background: var(--border-color);
    color: var(--text-color);
}

.legal-modal-body {
    padding: 2rem;
    color: var(--text-color);
}

.legal-modal-body h3 {
    color: var(--text-color);
    margin: 1.5rem 0 1rem 0;
    font-size: 1.2rem;
    font-weight: 600;
}

.legal-modal-body h4 {
    color: var(--text-color);
    margin: 1rem 0 0.5rem 0;
    font-size: 1rem;
    font-weight: 500;
}

.legal-modal-body p {
    margin: 0.5rem 0;
    line-height: 1.6;
    color: var(--text-secondary);
}

.legal-modal-body strong {
    color: var(--text-color);
}

/* Responsive Modal */
@media (max-width: 768px) {
    .legal-modal-content {
        margin: 10% auto;
        width: 95%;
        max-height: 85vh;
    }
    
    .legal-modal-header {
        padding: 1rem 1.5rem;
    }
    
    .legal-modal-body {
        padding: 1.5rem;
    }
}

/* Scroll Animation Classes */
[data-scroll] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

[data-scroll="fade-up"] {
    transform: translateY(30px);
}

[data-scroll="fade-left"] {
    transform: translateX(-30px);
}

[data-scroll="fade-right"] {
    transform: translateX(30px);
}

[data-scroll="float"] {
    transform: translateY(0);
}

[data-scroll].is-visible {
    opacity: 1;
    transform: translate(0);
}

/* Animations */
@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--card-background);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px var(--shadow-color);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 100px 1rem 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .team-members {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .logo-image {
        height: 38px;
    }
    
    .footer-logo-image {
        height: 40px;
    }
    
    .process-timeline::before {
        left: 30px;
    }
    
    .process-step {
        flex-direction: column;
        align-items: flex-start;
        margin-left: 30px;
    }
    
    .process-step:nth-child(even) {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .step-content {
        margin: 1rem 0 0 0;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .logo-image {
        height: 32px;
    }
    
    .footer-logo-image {
        height: 35px;
    }
    
    .nav-logo .logo-text {
        font-size: 1rem;
    }
    
    .process-timeline {
        margin-left: 15px;
    }
    
    .process-step {
        margin-left: 15px;
    }
}