/* Dark Theme Variables */
:root {
    --primary-color: #00c8ff;
    --secondary-color: #0066ff;
    --text-color: #e5e7eb;
    --bg-color: #0a0a0a;
    --card-bg: #111111;
    --nav-bg: rgba(10, 10, 10, 0.95);
    --glow-color: #00c8ff;
    --glow-spread: 90px;
    --shadow-color: rgba(0, 200, 255, 0.2);
    --transition: all 0.3s ease;
    --depth: 80px;
    --perspective: 1000px;
    --border-color: rgba(0, 200, 255, 0.1);
    --card-hover-bg: rgba(0, 200, 255, 0.05);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
    transition: var(--transition);
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(0, 200, 255, 0.05) 0%, transparent 30%),
        radial-gradient(circle at 90% 80%, rgba(0, 102, 255, 0.05) 0%, transparent 30%);
}

section {
    padding: 100px 5%;
    position: relative;
    overflow: hidden;
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}

.section-subtitle {
    text-align: center;
    color: var(--text-color);
    opacity: 0.8;
    margin-bottom: 3rem;
    font-size: 1.2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1rem 5%;
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
}

.logo .glow-text {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 20px rgba(0, 200, 255, 0.3);
}

.glow-text {
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--glow-color);
    transition: var(--transition);
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    position: relative;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link i {
    font-size: 1.1rem;
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--primary-color);
    transition: var(--transition);
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, 
        rgba(0, 200, 255, 0.05) 0%, 
        transparent 50%,
        rgba(0, 102, 255, 0.05) 100%
    );
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, 
        rgba(0, 200, 255, 0.1) 0%, 
        transparent 50%
    );
    pointer-events: none;
}

.hero-content {
    max-width: 600px;
    z-index: 1;
    transform: translateZ(50px);
}

.hero-features {
    display: flex;
    gap: 2rem;
    margin: 2rem 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 200, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.feature-item i {
    color: var(--primary-color);
}

.animated-title {
    font-size: 5rem;
    font-weight: 900;
    letter-spacing: -0.02em;
    line-height: 1.1;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(0, 200, 255, 0.3);
}

.subtitle {
    font-size: 1.8rem;
    color: var(--text-color);
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.cta-primary, .cta-secondary {
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

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

.btn-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: translateX(-100%);
}

.cta-primary:hover .btn-glow {
    transform: translateX(100%);
    transition: 0.5s;
}

.cta-primary:hover, .cta-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Floating Elements Animation */
.hero-graphics {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.floating-element {
    position: absolute;
    width: 150px;
    height: 150px;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    opacity: 0.1;
    animation: morphing 15s ease-in-out infinite;
    backdrop-filter: blur(5px);
    transform-style: preserve-3d;
    box-shadow: 0 0 var(--glow-spread) var(--glow-color);
}

.floating-element:nth-child(1) {
    top: 20%;
    right: 15%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    top: 50%;
    right: 25%;
    animation-delay: -3s;
}

.floating-element:nth-child(3) {
    top: 70%;
    right: 35%;
    animation-delay: -6s;
}

/* Tech Circle */
.tech-circle {
    position: absolute;
    right: 10%;
    top: 50%;
    transform: translateY(-50%);
    width: 300px;
    height: 300px;
    animation: rotate 20s linear infinite;
}

.tech-item {
    position: absolute;
    width: 60px;
    height: 60px;
    background: var(--card-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.tech-item i {
    font-size: 2rem;
    color: var(--primary-color);
}

.tech-item:nth-child(1) { transform: translate(120px, 0); }
.tech-item:nth-child(2) { transform: translate(0, 120px); }
.tech-item:nth-child(3) { transform: translate(-120px, 0); }
.tech-item:nth-child(4) { transform: translate(0, -120px); }

@keyframes rotate {
    from { transform: translateY(-50%) rotate(0deg); }
    to { transform: translateY(-50%) rotate(360deg); }
}

/* Services Section */
.services {
    padding: 100px 5%;
    background: var(--bg-color);
}

.services h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, var(--card-hover-bg), transparent);
    transform: translateX(-100%);
    transition: var(--transition);
}

.service-card:hover::before {
    transform: translateX(100%);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--card-hover-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
}

.service-icon i {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.service-features {
    list-style: none;
    margin-top: 1.5rem;
    text-align: left;
}

.service-features li {
    margin: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.service-features i {
    color: var(--primary-color);
}

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

.process-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--border-color);
}

.process-step {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    position: relative;
}

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

.step-number {
    width: 60px;
    height: 60px;
    background: var(--card-bg);
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    position: relative;
    z-index: 1;
}

.step-content {
    flex: 1;
    padding: 2rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    margin: 0 2rem;
}

/* Technologies Section */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.tech-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
}

.tech-card i {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tech-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

/* Portfolio Section */
.portfolio {
    padding: 100px 5%;
}

.portfolio h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: auto;
    transition: var(--transition);
}

.portfolio-content {
    padding: 2rem;
    background: var(--card-bg);
}

.portfolio-tags {
    display: flex;
    gap: 0.5rem;
    margin: 1rem 0;
    flex-wrap: wrap;
}

.portfolio-tags span {
    background: var(--card-hover-bg);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
}

.portfolio-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    margin-top: 1rem;
    transition: var(--transition);
}

.portfolio-link:hover {
    gap: 1rem;
}

/* Stats Section */
.stats {
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-color);
    font-size: 1.1rem;
    opacity: 0.8;
}

/* Contact Section */
.contact {
    padding: 100px 5%;
    background: linear-gradient(135deg, 
        rgba(0, 200, 255, 0.05) 0%, 
        rgba(0, 102, 255, 0.05) 100%
    );
}

.contact h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.contact-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.input-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.input-group input,
.input-group textarea {
    width: 100%;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.2rem;
    font-size: 1rem;
    color: var(--text-color);
    transition: var(--transition);
}

.input-group textarea {
    height: 150px;
    resize: none;
}

.input-highlight {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

.input-group input:focus + .input-highlight,
.input-group textarea:focus + .input-highlight {
    width: 100%;
}

.contact-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin: 1.5rem 0;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.contact-item h4 {
    margin-bottom: 0.25rem;
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--card-hover-bg);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    transform: translateY(-3px);
    border-color: var(--primary-color);
}

/* Footer */
footer {
    background: var(--card-bg);
    padding: 4rem 5% 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-section h4 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

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

.footer-section ul li {
    margin: 0.5rem 0;
}

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

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

.newsletter-form {
    display: flex;
    gap: 0.5rem;
}

.newsletter-form input {
    flex: 1;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.8rem;
    color: var(--text-color);
}

.newsletter-form button {
    background: var(--primary-color);
    border: none;
    border-radius: 8px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background: var(--secondary-color);
}

.footer-bottom {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero {
        text-align: center;
        padding-top: 100px;
    }
    
    .hero-content {
        margin: 0 auto;
    }
    
    .tech-circle {
        display: none;
    }
    
    .animated-title {
        font-size: 3rem;
    }
    
    .hero-features {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .process-timeline::before {
        left: 30px;
    }
    
    .process-step {
        flex-direction: row !important;
        margin-left: 30px;
    }
    
    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .step-content {
        margin-left: 1rem;
        margin-right: 0;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        gap: 2rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulseGlow {
    0%, 100% {
        text-shadow: 0 0 20px var(--glow-color);
    }
    50% {
        text-shadow: 0 0 40px var(--glow-color),
                     0 0 60px var(--glow-color);
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(var(--primary-color), var(--secondary-color));
    border-radius: 5px;
}

/* Theme Toggle Button */
.theme-toggle {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
}

.theme-toggle:hover {
    color: var(--primary-color);
    transform: rotate(360deg);
}

/* Glow Effekte für Dark Mode */
[data-theme="dark"] .glow-text {
    text-shadow: 0 0 20px var(--glow-color),
                0 0 40px var(--glow-color),
                0 0 60px var(--glow-color);
}

[data-theme="dark"] .service-card {
    box-shadow: 0 0 30px rgba(var(--primary-color), 0.1);
}

[data-theme="dark"] .portfolio-item:hover {
    box-shadow: 0 0 40px rgba(var(--glow-color), 0.2);
}

/* Neue Animationen */
@keyframes floatY {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

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