:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #0ea5e9;
    --accent: #10b981;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--dark);
    color: var(--gray-300);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 12px 0;
    background: rgba(15, 23, 42, 0.95);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--white);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 20px;
}

.logo-text {
    font-weight: 600;
    font-size: 18px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: var(--white);
}

.nav-cta {
    background: var(--gradient);
    padding: 10px 20px !important;
    border-radius: 8px;
    color: var(--white) !important;
}

.nav-cta:hover {
    opacity: 0.9;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--dark-light);
    padding: 24px;
    flex-direction: column;
    gap: 16px;
    z-index: 999;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu a {
    color: var(--gray-300);
    text-decoration: none;
    font-size: 16px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 24px 80px;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at top right, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at bottom left, rgba(14, 165, 233, 0.1) 0%, transparent 50%);
}

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

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 24px;
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--gray-400);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px -10px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

.btn-large {
    padding: 18px 36px;
    font-size: 16px;
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 1;
}

.code-window {
    background: var(--dark-light);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
    max-width: 500px;
    width: 100%;
}

.code-header {
    display: flex;
    gap: 8px;
    padding: 16px;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ef4444; }
.dot.yellow { background: #eab308; }
.dot.green { background: #22c55e; }

.code-content {
    padding: 24px;
    font-family: 'Fira Code', 'Monaco', monospace;
    font-size: 14px;
    line-height: 1.8;
}

.code-content code {
    color: var(--gray-400);
}

.keyword { color: #c678dd; }
.variable { color: #e5c07b; }
.function { color: #61afef; }
.method { color: #61afef; }
.property { color: #e06c75; }
.string { color: #98c379; }
.boolean { color: #d19a66; }
.comment { color: #5c6370; }

/* Sections */
.section {
    padding: 120px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-light);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.section-header p {
    font-size: 18px;
    color: var(--gray-400);
    max-width: 600px;
    margin: 0 auto;
}

/* Services */
.leistungen {
    background: var(--dark-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--dark);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: rgba(99, 102, 241, 0.3);
}

.service-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--white);
}

.service-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 12px;
}

.service-card p {
    color: var(--gray-400);
    font-size: 15px;
    line-height: 1.7;
}

/* Products */
.product-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.product-badge {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.product-content h3 {
    font-size: 48px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 8px;
}

.product-tagline {
    font-size: 20px;
    color: var(--primary-light);
    margin-bottom: 20px;
}

.product-description {
    color: var(--gray-400);
    font-size: 16px;
    margin-bottom: 24px;
    line-height: 1.7;
}

.product-features {
    list-style: none;
    margin-bottom: 32px;
}

.product-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--gray-300);
    margin-bottom: 12px;
    font-size: 15px;
}

.product-features svg {
    color: var(--accent);
    flex-shrink: 0;
}

.product-visual {
    display: flex;
    justify-content: center;
}

.product-mockup {
    background: var(--dark-light);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
    width: 100%;
    max-width: 480px;
}

.mockup-header {
    display: flex;
    gap: 8px;
    padding: 16px;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mockup-content {
    display: flex;
    height: 300px;
}

.mockup-sidebar {
    width: 60px;
    background: rgba(0, 0, 0, 0.2);
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mockup-nav-item {
    height: 36px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.mockup-nav-item.active {
    background: var(--gradient);
}

.mockup-main {
    flex: 1;
    padding: 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.mockup-card {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.mockup-card:first-child {
    grid-column: span 2;
    height: 80px;
}

.mockup-card:nth-child(2) {
    grid-column: span 2;
    height: 80px;
}

.mockup-card.small {
    height: 60px;
}

/* About */
.ueber-uns {
    background: var(--dark-light);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 64px;
    align-items: center;
}

.about-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 24px;
}

.about-content > p {
    color: var(--gray-400);
    font-size: 16px;
    margin-bottom: 16px;
    line-height: 1.7;
}

.values {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.value {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.value-icon {
    width: 48px;
    height: 48px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
    flex-shrink: 0;
}

.value h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 4px;
}

.value p {
    font-size: 14px;
    color: var(--gray-400);
}

.stats-card {
    background: var(--dark);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.stat {
    text-align: center;
    padding: 24px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.stat:last-child {
    border-bottom: none;
}

.stat-number {
    display: block;
    font-size: 32px;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Contact */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-info h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.contact-info > p {
    color: var(--gray-400);
    font-size: 16px;
    margin-bottom: 32px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 16px;
    text-decoration: none;
    padding: 20px;
    background: var(--dark-light);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.2s ease;
}

.contact-method:hover {
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateX(4px);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.contact-label {
    display: block;
    font-size: 12px;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.contact-value {
    display: block;
    font-size: 16px;
    color: var(--white);
    font-weight: 500;
}

.cta-card {
    background: var(--gradient);
    padding: 48px;
    border-radius: 20px;
    text-align: center;
}

.cta-card h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
}

.cta-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 32px;
    font-size: 16px;
}

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

.cta-card .btn-primary:hover {
    background: var(--gray-100);
}

/* Footer */
.footer {
    background: var(--dark-light);
    padding: 64px 0 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--gray-500);
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 64px;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-column a {
    display: block;
    color: var(--gray-400);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 12px;
    transition: color 0.2s ease;
}

.footer-column a:hover {
    color: var(--white);
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
    color: var(--gray-500);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
        gap: 48px;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-cta {
        justify-content: center;
    }

    .product-showcase {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .product-content {
        text-align: center;
    }

    .product-features {
        display: inline-block;
        text-align: left;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding: 100px 24px 60px;
        min-height: auto;
    }

    .section {
        padding: 80px 0;
    }

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

    .footer-content {
        flex-direction: column;
        gap: 40px;
    }

    .footer-links {
        flex-direction: column;
        gap: 32px;
    }

    .code-window {
        display: none;
    }

    .stats-card {
        display: flex;
        flex-wrap: wrap;
    }

    .stat {
        flex: 1;
        min-width: 120px;
        border-bottom: none;
        border-right: 1px solid rgba(255, 255, 255, 0.05);
    }

    .stat:last-child {
        border-right: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .hero-cta {
        flex-direction: column;
    }

    .product-content h3 {
        font-size: 36px;
    }

    .cta-card {
        padding: 32px 24px;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp 0.6s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }