:root {
    --primary-color: #4d79ff;
    --secondary-color: #3366ff;
    --background-color: #090e2c;
    --text-color: #ffffff;
    --accent-color: #00ff88;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

h1, h2, h3, h4, h5, h6 {
    color: #fff;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

hr {
    border: none;
    height: 0;
    margin: 0;
    background: none;
}

/* Header und Navigation */
.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background-color: transparent;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 10;
}

.logo img {
    height: 50px;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 3rem;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
}

.contact-info {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    display: flex;
    gap: 2rem;
}

.contact-info i {
    color: #3366ff;
    margin-right: 0.5rem;
}

/* Hero Section */
.hero-section {
    padding: 8rem 5% 4rem;
    min-height: 100vh;
    display: flex;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 60%;
    padding-top: 4rem;
}

.services-list {
    color: #e0e3ea;
    font-size: 0.9rem;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-section h1 {
    background: linear-gradient(45deg, #fff, #a8a8a8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    font-size: 4rem;
    margin-bottom: 1.5rem;
    font-weight: 300;
    line-height: 1.2;
}

.hero-text {
    color: #e0e3ea;
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.hero-content p {
    font-size: 1.8rem !important;
    color: #e0e3ea;
    margin-bottom: 2rem;
}

.hero-lead {
    font-size: 1.8rem !important;
    color: #e0e3ea;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: #3366ff;
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-size: 1rem;
    transition: background-color 0.3s;
    border: 2px solid #fff;
    border-width: 2px;
}

.cta-button:hover {
    background-color: #fff;
    color: #3366ff;
    border: 2px solid #3366ff;
    border-width: 2px;
}

.hero-content .cta-button {
    margin-top: 2rem;
}

.hero-graphic {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 40%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-logo-deco {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 180px;
    max-width: 90%;
    height: auto;
    z-index: 20;
    pointer-events: none;
    background: transparent;
}

.circles {
    position: absolute;
    right: 10%;
    top: 50%;
    transform: translateY(-50%);
    width: 400px;
    height: 400px;
    transition: transform 0.5s cubic-bezier(0.4,0.2,0.2,1);
}

.circles::before,
.circles::after {
    content: '';
    position: absolute;
    border: 2px solid #1a2547;
    border-radius: 50%;
}

.circles::before {
    width: 400px;
    height: 400px;
}

.circles::after {
    width: 300px;
    height: 300px;
    top: 50px;
    left: 50px;
}

.circles:hover {
    transform: translateY(-50%) scale(1.15);
}

.circles:hover ~ .cube {
    animation: cube-orbit 5s cubic-bezier(0.4,0.2,0.2,1) forwards;
}

@keyframes cube-orbit {
    0% {
        transform: translateY(-50%) rotate(0deg) translateX(170px) rotate(0deg);
    }
    100% {
        transform: translateY(-50%) rotate(360deg) translateX(170px) rotate(-360deg);
    }
}

.cube {
    position: absolute;
    right: 45%;
    top: 50%;
    transform: translateY(-50%) translateX(170px);
    width: 60px;
    height: 60px;
    background-color: #3366ff;
    border-radius: 8px;
    transition: transform 0.5s cubic-bezier(0.4,0.2,0.2,1);
}

/* Features Section */
.features-section {
    background-color: #0a0f2c;
    padding: 4rem 2rem;
    position: relative;
}

.features-title {
    text-align: center;
    color: #fff;
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 1rem;
}

.features-subtitle {
    text-align: center;
    color: #e0e3ea;
    margin-bottom: 3rem;
    font-size: 1.1rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.feature-card {
    background: rgba(255,255,255,0.03);
    border: 1.5px solid rgba(255,255,255,0.12);
    border-radius: 16px;
    box-shadow: 0 4px 24px 0 rgba(255,255,255,0.07);
    padding: 2.5rem 2rem;
    text-align: center;
    transition: box-shadow 0.3s, border-color 0.3s;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: #3366ff;
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    box-shadow: 0 8px 32px 0 rgba(51,102,255,0.12);
    border-color: #fff;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card h3 {
    color: #fff;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    font-size: 1rem;
}

/* Contact Section */
.contact-section {
    padding: 4rem 5%;
    text-align: center;
    background-color: #0a0f2c;
}

.contact-section h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

/* Footer */
footer {
    background-color: #0a0f2c;
    padding: 2rem 5%;
    position: relative;
    z-index: 2;
}

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

.footer-left {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
}

.footer-logo img {
    height: 40px;
}

.footer-copyright {
    color: #e0e3ea;
    font-size: 0.9rem;
}

.footer-right {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    text-align: right;
}

.footer-contact a {
    color: #e0e3ea;
    text-decoration: none;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: flex-end;
}

.footer-contact i {
    color: #3366ff;
}

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

.footer-social a {
    color: #3366ff;
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.footer-social a:hover {
    color: #fff;
}

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

.footer-button {
    background-color: #3366ff;
    color: #fff;
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    transition: background-color 0.3s ease;
    border: 1px solid #fff;
}

.footer-button i {
    font-size: 1.1rem;
}

.footer-button:hover {
    background-color: #fff;
    color: #3366ff;
    border: 1px solid #3366ff;
}

.footer-divider-hr {
    width: 100%;
    max-width: 1200px;
    margin: 0.5rem auto 2.5rem auto;
    border: none;
    border-top: 3px solid #fff;
    background: none;
    height: 0;
    opacity: 1;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        max-width: 100%;
    }
    
    .hero-graphic {
        display: none;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .footer-container {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

    .footer-right {
        flex-direction: column;
        align-items: center;
    }

    .footer-contact {
        text-align: center;
    }

    .footer-contact a {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .main-nav {
        flex-direction: column;
        padding: 1rem;
    }

    .nav-right {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        margin: 1rem 0;
    }

    .contact-info {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }

    .hero-section h1 {
        font-size: 2.5rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .features-section {
        padding: 3rem 1rem;
    }

    .features-title {
        font-size: 2rem;
    }

    .feature-card {
        padding: 2rem 1.5rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .legal-links {
        margin-top: 1rem;
    }
}

@media (max-width: 600px) {
    header, .main-nav {
        display: none !important;
    }
    .mobile-menu-icon {
        display: flex !important;
        position: fixed;
        top: 1.5rem;
        right: 1.5rem;
        left: unset;
        z-index: 3000 !important;
        pointer-events: auto !important;
        background: #090e2c;
        border-radius: 8px;
        padding: 0.7rem 0.9rem;
        box-shadow: 0 2px 12px 0 rgba(0,0,0,0.12);
        cursor: pointer;
        font-size: 2rem;
        color: #fff;
        align-items: center;
        justify-content: center;
    }
    .mobile-menu-overlay {
        display: none;
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(9,14,44,0.98);
        z-index: 4000;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: opacity 0.3s;
    }
    .mobile-menu-overlay.active {
        display: flex;
    }
    .mobile-menu-close {
        position: absolute;
        top: 1.2rem;
        right: 1.2rem;
        font-size: 2.2rem;
        color: #fff;
        cursor: pointer;
        z-index: 4100;
    }
    .mobile-menu-links {
        list-style: none;
        padding: 0;
        margin: 0;
        display: flex;
        flex-direction: column;
        gap: 2.2rem;
        align-items: center;
        justify-content: center;
        width: 100%;
    }
    .mobile-menu-links li a {
        color: #fff;
        font-size: 2rem;
        text-decoration: none;
        font-weight: 600;
        transition: color 0.2s;
        padding: 0.5rem 2rem;
        border-radius: 8px;
    }
    .mobile-menu-links li a:hover {
        color: #3366ff;
        background: #fff1;
    }
    .logo img {
        height: 32px;
    }
    .mobile-logo {
        display: flex !important;
        position: fixed;
        top: 1rem;
        left: 1rem;
        z-index: 3001;
        align-items: center;
        height: 40px;
        background: transparent;
    }
    .mobile-logo img {
        height: 32px;
        width: auto;
        display: block;
    }
    .hero-section {
        flex-direction: column;
        align-items: center;
        padding: 5rem 1rem 2rem 1rem;
        min-height: unset;
    }
    .hero-content {
        max-width: 100%;
        text-align: center;
        padding-top: 0;
    }
    .hero-section h1 {
        font-size: 2.2rem;
        line-height: 1.15;
        margin-bottom: 1.2rem;
    }
    .hero-content p {
        font-size: 1.1rem;
        margin-bottom: 1.5rem;
    }
    .hero-content .cta-button {
        font-size: 1.1rem;
        padding: 1rem 1.5rem;
        margin-top: 1.5rem;
        width: 100%;
        max-width: 320px;
    }
    .hero-graphic {
        position: static;
        width: 100%;
        height: 180px;
        margin: 2rem auto 0 auto;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .hero-logo-deco {
        width: 120px !important;
        right: 50% !important;
        top: 50% !important;
        transform: translate(50%,-50%) !important;
    }
    .circles {
        width: 180px;
        height: 180px;
        right: 50%;
        top: 50%;
        transform: translate(50%,-50%);
    }
    .cube {
        width: 36px;
        height: 36px;
        right: 50%;
        top: 50%;
        transform: translate(90px,-50%);
    }
    .services-preview {
        padding: 2rem 0.5rem;
    }
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .feature-card {
        padding: 1.5rem 1rem;
        font-size: 1rem;
    }
    .about-preview {
        padding: 2rem 0.5rem;
    }
    .about-preview h2 {
        font-size: 1.3rem;
        margin-top: 2rem;
    }
    .about-preview p {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    .about-preview .cta-button {
        font-size: 1rem;
        padding: 0.9rem 1.2rem;
        margin: 1.5rem auto 2rem auto;
        max-width: 100%;
    }
    .footer-container {
        flex-direction: column;
        gap: 1.2rem;
        text-align: center;
        padding: 1.2rem 0.5rem;
    }
    .footer-right, .footer-contact, .footer-buttons {
        flex-direction: column;
        align-items: center;
        gap: 0.7rem;
    }
    .footer-button {
        width: 100%;
        justify-content: center;
        font-size: 1rem;
        padding: 0.8rem 0;
        margin-bottom: 0.5rem;
    }
    .footer-logo img {
        height: 28px;
    }
    .footer-divider-hr {
        margin: 1.2rem auto 1.2rem auto;
    }
}

@media (max-width: 400px) {
    .hero-section h1 {
        font-size: 1.5rem;
    }
    .about-preview h2 {
        font-size: 1.1rem;
    }
    .footer-logo img {
        height: 22px;
    }
}

.mobile-menu-icon, .mobile-menu-overlay {
    display: none;
}

.about-preview-section a {
    display: inline-block;
    padding: 1.2rem 4rem;
    font-size: 1.3rem;
    color: #fff;
    border: 2px solid #3366ff;
    border-radius: 2.5rem;
    background: transparent;
    text-decoration: none;
    transition: background 0.3s, color 0.3s, box-shadow 0.3s, transform 0.2s;
    font-weight: 500;
    box-shadow: 0 2px 16px 0 rgba(51,102,255,0.08);
}
.about-preview-section a:hover {
    background: linear-gradient(90deg, #3366ff 0%, #2952cc 100%);
    color: #fff;
    box-shadow: 0 6px 32px 0 rgba(51,102,255,0.18);
    border-color: #3366ff;
    transform: translateY(-3px) scale(1.04);
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-preview-subtitle {
    color: #e0e3ea !important;
}

#bg-network {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0 !important;
    pointer-events: none !important;
}

header {
    position: relative;
    z-index: 10;
}
main, footer {
    position: relative;
    z-index: 2;
}

.mobile-logo {
    display: none;
}
@media (max-width: 600px) {
    .mobile-logo {
        display: flex !important;
        position: fixed;
        top: 1rem;
        left: 1rem;
        z-index: 3001;
        align-items: center;
        height: 40px;
        background: transparent;
    }
    .mobile-logo img {
        height: 32px;
        width: auto;
        display: block;
    }
}

.services-preview {
    text-align: center;
}

.services-preview h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.services-preview-lead {
    font-size: 1.8rem !important;
    color: #e0e3ea;
    margin-bottom: 2.5rem;
}

.about-preview {
    text-align: center;
    margin-top: 7rem;
}

.about-preview h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-top: 3rem;
}

.about-preview p,
.about-preview .cta-button {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    display: block;
}

.about-preview .cta-button {
    display: inline-block;
    margin: 2rem auto 2.5rem auto;
    max-width: 320px;
    width: 100%;
    padding: 1rem 2rem;
    font-size: 1.2rem;
    border-radius: 2.5rem;
    box-sizing: border-box;
}

.about-hero-title, .about-hero h1 {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif !important;
    font-size: 4rem !important;
    font-weight: 300 !important;
    color: #fff !important;
    line-height: 1.2 !important;
}

.about-hero-subtitle, .about-hero p {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif !important;
    font-size: 1.2rem !important;
    color: #fff !important;
    font-weight: 300 !important;
    opacity: 0.9 !important;
}

.about-preview-lead {
    font-size: 1.8rem !important;
    color: #e0e3ea;
    margin-bottom: 2.5rem;
}