/* ====================================
   CSS Reset & Base Styles
   ==================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Farben aus Logo-Analyse */
    --primary-blue: #003DA5;
    --secondary-blue: #4A90E2;
    --metallic-silver: #C0C0C0;
    --accent-gold: #FFD700;
    --dark-text: #1A1A1A;
    --light-bg: #F5F7FA;
    --white: #FFFFFF;
    
    /* Schriftarten */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-heading: 'Arial', sans-serif;
    
    /* Abstände */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--dark-text);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ====================================
   Cookie Banner
   ==================================== */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
    padding: var(--spacing-md);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
    z-index: 9999;
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.cookie-content p {
    flex: 1;
    margin: 0;
    line-height: 1.6;
}

.cookie-content a {
    color: var(--accent-gold);
    text-decoration: underline;
}

.cookie-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.btn {
    padding: var(--spacing-sm) var(--spacing-md);
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    display: inline-block;
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--white);
    color: var(--primary-blue);
    border: none;
}

.btn-primary:hover {
    background-color: var(--metallic-silver);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--primary-blue);
    transform: translateY(-3px);
}

.btn-text {
    background: transparent;
    color: var(--white);
    border: none;
    text-decoration: underline;
    padding: var(--spacing-xs);
}

.btn-text:hover {
    opacity: 0.8;
}

/* ====================================
   Header / Navigation
   ==================================== */
.header {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    box-shadow: 0 2px 10px rgba(0, 61, 165, 0.2);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 61, 165, 0.4);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    gap: var(--spacing-md);
}

.logo {
    flex-shrink: 0;
}

.logo-img {
    height: 50px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
    transition: transform 0.3s ease;
}

.logo-img:hover {
    transform: scale(1.05);
}

.header.scrolled .logo-img {
    height: 40px;
}

.nav {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.nav a:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.nav-cta {
    background-color: var(--accent-gold);
    color: var(--primary-blue) !important;
    font-weight: 700;
    border-radius: 6px;
}

.nav-cta:hover {
    background-color: var(--white) !important;
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.4);
}

/* ====================================
   Language Switcher
   ==================================== */
.lang-switch {
    display: flex;
    gap: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    padding: 4px;
}

.lang-switch button {
    padding: 6px 12px;
    background: transparent;
    border: none;
    color: var(--white);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.lang-switch button:hover {
    background: rgba(255, 255, 255, 0.15);
}

.lang-switch button.active {
    background: var(--white);
    color: var(--primary-blue);
}

/* ====================================
   Mobile Menu
   ==================================== */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--white);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ====================================
   Hero Section
   ==================================== */
.hero {
    background: linear-gradient(180deg, 
        var(--primary-blue) 0%, 
        var(--secondary-blue) 100%);
    color: var(--white);
    padding: var(--spacing-xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></svg>');
    background-size: 50px 50px;
    opacity: 0.3;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.8rem;
    font-weight: 300;
    margin-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--metallic-silver);
    display: inline-block;
    padding-bottom: var(--spacing-xs);
}

.compass-container {
    margin: var(--spacing-md) 0;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.compass-icon svg {
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.hero-description {
    font-size: 1.2rem;
    max-width: 700px;
    margin: var(--spacing-md) auto 0;
    opacity: 0.95;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.stat-label {
    font-size: 1rem;
    color: var(--metallic-silver);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ====================================
   Section Titles
   ==================================== */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #666;
    margin-bottom: var(--spacing-lg);
}

/* ====================================
   Features Grid
   ==================================== */
.features {
    padding: var(--spacing-xl) 0;
    background-color: var(--light-bg);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 61, 165, 0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0, 61, 165, 0.2);
    border-color: var(--secondary-blue);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 61, 165, 0.1), rgba(74, 144, 226, 0.1));
    border-radius: 50%;
    border: 3px solid var(--metallic-silver);
}

.feature-card h3 {
    color: var(--primary-blue);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.feature-card p {
    color: var(--dark-text);
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.feature-card ul {
    list-style: none;
    padding-left: 0;
}

.feature-card ul li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: #555;
}

.feature-card ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--secondary-blue);
    font-weight: bold;
}

/* ====================================
   Technologies Section
   ==================================== */
.technologies {
    padding: var(--spacing-xl) 0;
    background: var(--white);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.tech-card {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
    padding: var(--spacing-md);
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
}

.tech-card:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(0, 61, 165, 0.3);
}

.tech-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.tech-card h3 {
    font-size: 1.6rem;
    margin-bottom: var(--spacing-sm);
}

.tech-details {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
    justify-content: center;
}

.tech-tag {
    background-color: rgba(255, 255, 255, 0.2);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* ====================================
   Benefits Section
   ==================================== */
.benefits {
    padding: var(--spacing-xl) 0;
    background: var(--light-bg);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.benefit-item {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: 8px;
    border-left: 4px solid var(--secondary-blue);
    transition: all 0.3s ease;
}

.benefit-item:hover {
    transform: translateX(10px);
    box-shadow: 0 4px 15px rgba(0, 61, 165, 0.15);
}

.benefit-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--secondary-blue);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.benefit-item h3 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

.benefit-item p {
    color: #555;
}

/* ====================================
   FAQ Section
   ==================================== */
.faq {
    padding: var(--spacing-xl) 0;
    background: var(--white);
}

.faq-container {
    max-width: 800px;
    margin: var(--spacing-lg) auto 0;
}

.faq-item {
    background: var(--light-bg);
    margin-bottom: var(--spacing-sm);
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--secondary-blue);
}

.faq-item summary {
    padding: var(--spacing-md);
    font-weight: 600;
    color: var(--primary-blue);
    cursor: pointer;
    list-style: none;
    position: relative;
    user-select: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    position: absolute;
    right: var(--spacing-md);
    font-size: 1.5rem;
    color: var(--secondary-blue);
    transition: transform 0.3s ease;
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
}

.faq-item p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--dark-text);
    line-height: 1.8;
}

/* ====================================
   CTA Section
   ==================================== */
.cta {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

.contact-item {
    color: var(--white);
    font-size: 1rem;
}

.contact-item a {
    color: var(--accent-gold);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    text-decoration: underline;
    color: var(--white);
}

/* ====================================
   Footer
   ==================================== */
.footer {
    background-color: #1A1A1A;
    color: #CCCCCC;
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
}

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

.footer-section a:hover {
    text-decoration: underline;
    color: var(--white);
}

.footer-section p {
    line-height: 1.8;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    color: var(--secondary-blue);
    text-decoration: none;
    padding: var(--spacing-xs);
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: var(--spacing-sm);
    text-align: center;
    color: #888;
}

/* ====================================
   Accessibility
   ==================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

a:focus,
button:focus,
summary:focus {
    outline: 3px solid var(--accent-gold);
    outline-offset: 2px;
}

/* ====================================
   Responsive Design
   ==================================== */
@media (max-width: 768px) {
    /* Typography */
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    /* Logo */
    .logo-img {
        height: 40px;
        max-width: 150px;
    }
    
    /* Navigation */
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
        flex-direction: column;
        padding: var(--spacing-md);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all 0.3s ease;
    }
    
    .nav.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    /* Language Switcher Mobile */
    .lang-switch {
        position: absolute;
        top: var(--spacing-sm);
        right: 70px;
    }
    
    /* Cookie Banner */
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-buttons {
        justify-content: center;
        width: 100%;
    }
    
    /* Hero Stats */
    .hero-stats {
        gap: var(--spacing-md);
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    /* Feature Grid */
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    /* Contact Info */
    .contact-info {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    /* CTA Buttons */
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .logo-img {
        height: 35px;
        max-width: 120px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .stat-number {
        font-size: 1.75rem;
    }
}

/* ====================================
   Print Styles
   ==================================== */
@media print {
    .header,
    .cookie-banner,
    .cta,
    .footer {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
}