:root {
    --primary-color: #000000;
    --secondary-color: #c9c9c9;
    --accent-color: #777777;
    --background-color: #ffffff;
    --text-color: #333333;
    --border-color: #e0e0e0;
    --light-gray: #f5f5f5;
    --mercedes-silver: #e6e6e6;
}

/* Navigation Styles */

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-left: auto; /* Schiebt Links nach rechts vom Logo */
}

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

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

.menu-toggle {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    padding: 10px;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-color);
    margin: 5px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* Mobile Navigation */
@media screen and (max-width: 768px) {
    .menu-toggle {
        display: block;
        margin-right: 1rem; /* Abstand zwischen Toggle und Logo */
        order: 1; /* Reihenfolge der Flex-Items */
    }

    .logo {
        order: 2; /* Reihenfolge der Flex-Items */
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        width: 100vw; /* Volle Viewport-Breite */
        background: var(--background-color);
        flex-direction: column;
        padding: 0.5rem; /* Reduzierter Padding */
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        gap: 0.5rem; /* Reduzierter Abstand zwischen Menüpunkten */
        box-sizing: border-box;
        margin: 0; /* Zurücksetzen des auto margins */
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        padding: 0.3rem 0; /* Reduzierter Padding */
        width: 100%;
        text-align: center;
        font-size: 0.9rem; /* Etwas kleinere Schrift */
    }

    .language-selector {
        margin-top: 1rem;
        width: 100%;
        text-align: center;
    }

    .language-selector select {
        width: 80%;
        max-width: 200px;
    }
}

/* Add padding to body to prevent content from hiding under fixed nav */
body {
    padding-top: 70px;
    margin: 0;
    font-family: 'Roboto', sans-serif;
}

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

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

/* Header and Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: var(--background-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    background: var(--background-color);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    z-index: 1000;
    padding: 1rem 5%;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    box-sizing: border-box;
    max-width: 100%;
    margin: 0 auto;
}

.logo a {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    letter-spacing: 2px;
}

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

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

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

.nav-links a.highlight {
    background-color: var(--accent-color);
    color: white;
    padding: 0.5rem 1rem;
}

/* Main Content */
main {
    margin-top: 80px;
}

section {
    padding: 5rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 8rem 5%;
    background-color: var(--primary-color);
    color: white;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 300;
    letter-spacing: 1px;
}

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
}

/* Feature Cards */
.advantages, .ai-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.advantage-card, .ai-card {
    padding: 2rem;
    background-color: white;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.advantage-card:hover, .ai-card:hover {
    transform: translateY(-5px);
}

/* Process Steps */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.step {
    padding: 2rem;
    background-color: white;
    border: 1px solid var(--border-color);
}

/* AI Playground */
.ai-playground {
    background-color: #dbdbdb;
}

.ai-frame-container {
    margin-top: 2rem;
    border: 1px solid var(--border-color);
    min-height: 600px;
    display: flex;
    flex-direction: column;
}

.ai-dropdown {
    position: relative;
    width: 100%;
    background: var(--background-color);
    border-bottom: 1px solid var(--border-color);
}

.ai-dropdown-button {
    width: 100%;
    padding: 1rem;
    background: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1rem;
}

.ai-dropdown-button:after {
    content: '▼';
    margin-left: 10px;
    transition: transform 0.3s ease;
}

.ai-dropdown-button.active:after {
    transform: rotate(180deg);
}

.ai-dropdown-content {
    display: none;
    position: absolute;
    width: 100%;
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-top: none;
    z-index: 1000;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.ai-dropdown-content.active {
    display: block;
}

.ai-menu-segment {
    border-bottom: 1px solid var(--border-color);
}

.ai-menu-segment:last-child {
    border-bottom: none;
}

.ai-menu {
    display: flex;
    flex-direction: column;
    padding: 0.75rem;
    background-color: var(--background-color);
}

.ai-menu button {
    width: 100%;
    text-align: left;
    padding: 0.5rem 1rem;
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    transition: background-color 0.3s ease;
    font-size: 0.95rem;
}

.ai-menu button:hover {
    background-color: var(--light-gray);
}

#ai-frame {
    width: 100%;
    flex-grow: 1;
    min-height: 500px;
    border: none;
    background: #9c9c9c;
}

.ai-menu button {
    padding: 0.5rem 1.5rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
    font-weight: 500;
}

.ai-menu button:hover {
    background-color: #777777;
}

/* Vollbild-Modus für das iframe */
.ai-frame-container.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1000;
    margin: 0;
}

.ai-menu button {
    padding: 0.5rem 1rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.ai-menu button:hover {
    background-color: #555555;
}

/* Contact Form */
.contact form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 600px;
    margin: 2rem auto;
}

.contact input,
.contact textarea {
    padding: 1rem;
    border: 1px solid var(--border-color);
}

.contact button {
    padding: 1rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.contact button:hover {
    background-color: #555555;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: white;
    padding: 3rem 5%;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.footer-section h4 {
    margin-bottom: 1rem;
}

.footer-section a {
    color: white;
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
}

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

/* Additional styles for new sections */
.section-intro {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 2rem auto;
    text-align: center;
    font-weight: 300;
}

.tech-focus {
    margin: 4rem 0;
}

.focus-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.focus-card {
    background: var(--light-gray);
    padding: 2rem;
    border: none;
    transition: transform 0.3s ease;
}

.focus-card:hover {
    transform: translateY(-5px);
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.user-benefits {
    background: var(--mercedes-silver);
    padding: 2rem;
    margin-top: 2rem;
}

.user-benefits ul {
    list-style: none;
    padding: 0;
}

.user-benefits li {
    margin: 1rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.user-benefits li:before {
    content: "›";
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

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

.tech-category {
    background: var(--light-gray);
    padding: 2rem;
}

.tech-category ul {
    list-style: none;
    padding: 0;
    margin-top: 1rem;
}

.tech-category li {
    margin: 0.5rem 0;
    padding-left: 1rem;
    position: relative;
}

.tech-category li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

.process-steps {
    margin-top: 3rem;
}

.step {
    margin-bottom: 2rem;
    padding: 2rem;
    background: var(--light-gray);
    border-left: 4px solid var(--accent-color);
}

.step h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.step ul {
    list-style: none;
    padding: 0;
}

.step li {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.step li:before {
    content: "›";
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

.ai-approach {
    margin-top: 3rem;
    padding: 2rem;
    background: var(--light-gray);
}

.ai-approach ol {
    padding-left: 1.5rem;
    margin-top: 1rem;
}

.ai-approach li {
    margin: 0.5rem 0;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.support-card {
    background: var(--light-gray);
    padding: 2rem;
    border-left: 4px solid var(--accent-color);
}

.best-practices {
    margin-top: 3rem;
    padding: 2rem;
    background: var(--mercedes-silver);
    text-align: center;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    section {
        padding: 3rem 5%;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .focus-points {
        grid-template-columns: 1fr;
    }
    
    .advantage-grid {
        grid-template-columns: 1fr;
    }
    
    .support-grid {
        grid-template-columns: 1fr;
    }
}