/* Reset and Base Styles */*{margin:0;padding:0;box-sizing:border-box;}:root{--primary-bg:#3d4f5c;--secondary-bg:#2d3e4a;--dark-bg:#1e2a35;--accent-teal:#00d4aa;--accent-orange:#ff4500;--accent-pink:#e415dc;--text-white:#ffffff;--text-grey:#cfd8dc;/* Improved from #b0bec5 for better contrast (WCAG AA compliant) */ --border-teal:#00d4aa;--card-bg:#344450;}body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;line-height:1.6;color:var(--text-white);background-color:var(--primary-bg);}/* Accessibility Enhancements *//* Skip Link - Hidden by default,visible on focus */.skip-link{position:absolute;top:-40px;left:0;background:var(--accent-teal);color:var(--dark-bg);padding:0.75rem 1.5rem;text-decoration:none;font-weight:600;z-index:10000;border-radius:0 0 4px 0;transition:top 0.2s ease;}.skip-link:focus{top:0;outline:3px solid var(--accent-orange);outline-offset:2px;}/* Screen Reader Only - Visually hidden but accessible to screen readers */.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;}/* Focus Visible Styles for Better Keyboard Navigation */a:focus-visible,button:focus-visible,select:focus-visible,.btn:focus-visible{outline:3px solid var(--accent-teal);outline-offset:3px;}/* Remove default focus outline only when focus-visible is supported */a:focus:not(:focus-visible),button:focus:not(:focus-visible),select:focus:not(:focus-visible){outline:none;}/* Ensure sufficient touch target sizes (minimum 44x44px) */.nav-menu a,.btn,.lang-dropdown,.partner-card{min-height:44px;min-width:44px;display:inline-flex;align-items:center;justify-content:center;}.container{max-width:1400px;margin:0 auto;padding:0 2rem;}/* Header */.header{background:var(--secondary-bg);padding:1rem 0;position:sticky;top:0;z-index:1000;box-shadow:0 2px 10px rgba(0,0,0,0.3);}.header-content{display:flex;justify-content:space-between;align-items:center;}.logo{display:flex;align-items:center;gap:1rem;}.logo-icon{width:45px;height:45px;object-fit:contain;}.logo-text{font-size:1.75rem;font-weight:700;color:var(--text-white);}.nav-menu{display:flex;gap:2.5rem;}.nav-menu a{color:var(--text-white);text-decoration:none;font-weight:500;transition:color 0.3s ease;font-size:1rem;}.nav-menu a:hover{color:var(--accent-teal);}/* Language Selector */.language-selector{position:relative;}.lang-dropdown{background:var(--secondary-bg);border:2px solid var(--accent-teal);color:var(--text-white);padding:0.5rem 2.5rem 0.5rem 1rem;border-radius:0.375rem;cursor:pointer;font-weight:600;font-size:0.95rem;transition:all 0.3s ease;appearance:none;-webkit-appearance:none;-moz-appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300d4aa' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right 0.7rem center;background-size:1.2rem;min-width:170px;}.lang-dropdown:hover{background-color:var(--card-bg);transform:translateY(-2px);}.lang-dropdown:focus{outline:none;border-color:var(--accent-teal);box-shadow:0 0 0 3px rgba(0,212,170,0.1);}.lang-dropdown option{background:var(--secondary-bg);color:var(--text-white);padding:0.5rem;}/* Hero Section */.hero{padding:6rem 0;text-align:center;background:var(--secondary-bg);}.hero-ui-showcase{margin-bottom:3rem;position:relative;width:100%;max-width:900px;margin-left:auto;margin-right:auto;height:550px;border-radius:0.75rem;box-shadow:0 20px 60px rgba(0,0,0,0.4);border:3px solid var(--accent-teal);background:var(--card-bg);}.hero-ui-image{position:absolute;top:0;left:0;width:100%;height:500px;object-fit:contain;opacity:0;transition:opacity 1s ease-in-out;padding:1rem;}.hero-ui-image.active{opacity:1;z-index:1;}/* Carousel Controls */.carousel-btn{position:absolute;top:250px;transform:translateY(-50%);background:rgba(0,0,0,0.3);color:var(--text-white);border:none;font-size:2rem;padding:0.5rem 0.6rem;cursor:pointer;z-index:10;transition:background 0.3s ease;border-radius:0.5rem;}.carousel-btn:hover{background:rgba(0,0,0,0.7);}.carousel-prev{left:1rem;}.carousel-next{right:1rem;}/* Carousel Indicators */.carousel-indicators{position:absolute;bottom:1rem;left:50%;transform:translateX(-50%);display:flex;gap:0.75rem;z-index:10;}.carousel-dot{width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,0.5);border:2px solid var(--text-white);cursor:pointer;transition:all 0.3s ease;padding:0;}.carousel-dot:hover{background:rgba(255,255,255,0.8);transform:scale(1.2);}.carousel-dot.active{background:var(--accent-pink);border-color:var(--accent-pink);}.hero-title{font-size:3rem;font-weight:700;margin-bottom:1.5rem;color:var(--text-white);word-spacing:0.2em;display:flex;flex-wrap:wrap;justify-content:center;gap:0.3em;}.hero-title span:empty{display:none !important;}.hero-title span[data-i18n="hero.titleSuffix"]:empty::after{content:none;}.format-text{color:var(--accent-teal);display:inline-block;transition:opacity 0.3s ease,transform 0.3s ease;min-width:140px;text-align:center;}.format-text.fade-out{opacity:0;transform:translateY(-10px);}.arrow{display:inline-block;transition:transform 0.5s ease;color:var(--accent-orange);margin:0 0.5rem;}.hero-subtitle{font-size:1.25rem;color:var(--text-grey);margin-bottom:3rem;max-width:800px;margin-left:auto;margin-right:auto;}.hero-features{display:flex;justify-content:center;gap:2rem;margin-bottom:3rem;flex-wrap:wrap;}.hero-feature{padding:0.75rem 1.5rem;background:var(--accent-pink);border:none;border-radius:0.5rem;}.feature-label{color:var(--text-white);font-weight:600;font-size:0.95rem;}/* NDI Badge */.ndi-badge{display:flex;justify-content:center;margin:2rem 0;}.ndi-badge-image{width:180px;height:auto;filter:brightness(1);transition:filter 0.3s ease,transform 0.3s ease;}.ndi-badge-image:hover{filter:brightness(1.1);transform:scale(1.05);}.cta-buttons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;}/* Buttons */.btn{display:inline-block;padding:0.875rem 2.5rem;border-radius:0.5rem;font-weight:600;text-decoration:none;transition:all 0.3s ease;cursor:pointer;border:2px solid;font-size:1rem;}.btn-primary{background:var(--accent-teal);color:var(--dark-bg);border-color:var(--accent-teal);}.btn-primary:hover{background:transparent;color:var(--accent-teal);transform:translateY(-2px);}.btn-secondary{background:transparent;color:var(--text-white);border-color:var(--text-white);}.btn-secondary:hover{background:var(--text-white);color:var(--dark-bg);}/* Features Section */.features{padding:5rem 0;background:var(--primary-bg);}.section-title{text-align:center;font-size:2.5rem;font-weight:700;margin-bottom:3rem;color:var(--text-white);}.section-subtitle{text-align:center;font-size:1.125rem;color:var(--text-grey);margin-bottom:3rem;}.current-version{color:var(--accent-teal);font-size:0.95rem;margin-top:0.5rem;}.current-version strong{color:var(--text-white);font-weight:600;}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:2rem;}.feature-card{background:var(--card-bg);padding:2.5rem;border-radius:0.5rem;border:2px solid transparent;transition:all 0.3s ease;position:relative;}.feature-card:hover{border-color:var(--accent-teal);transform:translateY(-5px);}.feature-number{position:absolute;top:1rem;right:1.5rem;font-size:3rem;font-weight:700;color:var(--accent-teal);opacity:0.2;}.feature-card h3{font-size:1.5rem;margin-bottom:1rem;color:var(--accent-teal);}.feature-card p{color:var(--text-grey);line-height:1.7;}/* Use Cases Section */.use-cases{padding:5rem 0;background:var(--secondary-bg);}/* Use Case Tabs */.use-case-tabs{display:flex;justify-content:center;gap:1rem;margin:3rem 0 2rem 0;flex-wrap:wrap;}.use-case-tab{background:var(--card-bg);border:2px solid transparent;border-radius:0.5rem;padding:1rem 1.5rem;color:var(--text-white);font-weight:600;font-size:0.95rem;cursor:pointer;transition:all 0.3s ease;font-family:inherit;}.use-case-tab:hover{border-color:var(--accent-teal);transform:translateY(-2px);}.use-case-tab.active{background:var(--accent-pink);border-color:var(--accent-pink);color:var(--text-white);}/* Use Case Content */.use-case-content-wrapper{max-width:1200px;margin:0 auto;min-height:400px;position:relative;}.use-case-content{display:none;animation:fadeIn 0.5s ease-in-out;}.use-case-content.active{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center;}@keyframes fadeIn{from{opacity:0;transform:translateY(20px);}to{opacity:1;transform:translateY(0);}}.use-case-text h3{font-size:2rem;margin-bottom:1.5rem;color:var(--accent-teal);font-weight:700;}.use-case-text p{color:var(--text-grey);line-height:1.8;font-size:1.1rem;}.use-case-text a{color:var(--accent-teal);text-decoration:underline;font-weight:600;transition:color 0.3s ease;}.use-case-text a:hover{color:var(--accent-pink);text-decoration:none;}.use-case-images{background:var(--card-bg);border-radius:0.75rem;padding:1.5rem;border:3px solid var(--accent-teal);box-shadow:0 10px 30px rgba(0,0,0,0.3);}.use-case-images img{width:100%;height:auto;border-radius:0.5rem;display:block;}/* Partners Section */.partners{padding:5rem 0;background:var(--primary-bg);}.partners-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:3rem;align-items:center;justify-items:center;max-width:1200px;margin:0 auto;}.partner-card{display:flex;align-items:center;justify-content:center;padding:2rem;background:var(--card-bg);border-radius:0.5rem;border:2px solid transparent;transition:all 0.3s ease;width:100%;height:140px;text-decoration:none;}.partner-card:hover{border-color:var(--accent-teal);transform:translateY(-5px);box-shadow:0 10px 30px rgba(0,212,170,0.2);}.partner-logo{max-width:100%;max-height:80px;width:auto;height:auto;object-fit:contain;filter:brightness(0.9);transition:filter 0.3s ease;}.partner-card:hover .partner-logo{filter:brightness(1.1);}/* Download Section */.download{padding:5rem 0;background:var(--secondary-bg);}/* PDF Download Banner */.pdf-download-banner{display:flex;align-items:center;gap:2rem;background:var(--card-bg);padding:2rem 2.5rem;border-radius:0.75rem;border:2px solid var(--accent-teal);margin:3rem auto;max-width:900px;box-shadow:0 10px 30px rgba(0,212,170,0.15);transition:transform 0.3s ease,box-shadow 0.3s ease;}.pdf-download-banner:hover{transform:translateY(-3px);box-shadow:0 15px 40px rgba(0,212,170,0.25);}.pdf-download-icon{font-size:3.5rem;flex-shrink:0;}.pdf-download-text{flex:1;}.pdf-download-text h3{color:var(--accent-teal);font-size:1.5rem;margin-bottom:0.5rem;font-weight:700;}.pdf-download-text p{color:var(--text-grey);font-size:0.95rem;margin:0;}.pdf-download-btn{flex-shrink:0;white-space:nowrap;}.download-content{display:grid;grid-template-columns:1fr 1fr;gap:4rem;margin-top:3rem;align-items:start;}.download-form-container{background:var(--card-bg);padding:2.5rem;border-radius:0.5rem;border:2px solid transparent;transition:border-color 0.3s ease;}.download-form-container:focus-within{border-color:var(--accent-teal);}.download-form{display:flex;flex-direction:column;gap:1.5rem;}.form-group{display:flex;flex-direction:column;gap:0.5rem;}.form-group label{color:var(--text-white);font-weight:600;font-size:0.95rem;}.form-group input[type="text"],.form-group input[type="email"],.form-group select{padding:0.875rem 1rem;border:2px solid var(--secondary-bg);border-radius:0.375rem;background:var(--secondary-bg);color:var(--text-white);font-size:1rem;transition:all 0.3s ease;font-family:inherit;}.form-group input[type="text"]:focus,.form-group input[type="email"]:focus,.form-group select:focus{outline:none;border-color:var(--accent-teal);background:var(--dark-bg);}.form-group input::placeholder{color:var(--text-grey);opacity:0.6;}.form-group select{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300d4aa' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right 0.7rem center;background-size:1.2rem;padding-right:2.5rem;}.checkbox-group{margin-top:0.5rem;}.checkbox-label{display:flex;align-items:flex-start;gap:0.75rem;cursor:pointer;font-weight:400;}.checkbox-label input[type="checkbox"]{width:20px;height:20px;margin-top:0.2rem;cursor:pointer;accent-color:var(--accent-teal);flex-shrink:0;}.checkbox-label span{color:var(--text-grey);font-size:0.9rem;line-height:1.5;}.form-actions{margin-top:1rem;}.form-actions .btn{width:100%;font-size:1.05rem;padding:1rem 2rem;}.form-message{padding:1rem;border-radius:0.375rem;font-weight:500;text-align:center;display:none;margin-top:1rem;}.form-message.success{display:block;background:rgba(0,212,170,0.15);border:2px solid var(--accent-teal);color:var(--accent-teal);}.form-message.error{display:block;background:rgba(255,69,0,0.15);border:2px solid var(--accent-orange);color:var(--accent-orange);}.form-message.loading{display:block;background:var(--secondary-bg);border:2px solid var(--text-grey);color:var(--text-grey);}.download-info{display:flex;flex-direction:column;gap:1.5rem;}.info-card{background:var(--card-bg);padding:2rem;border-radius:0.5rem;border:2px solid transparent;transition:all 0.3s ease;}.info-card:hover{border-color:var(--accent-teal);transform:translateX(5px);}.info-card h3{color:var(--accent-teal);font-size:1.25rem;margin-bottom:0.75rem;font-weight:700;}.info-card p{color:var(--text-grey);line-height:1.7;font-size:0.95rem;}/* Contact Section */.contact{padding:5rem 0;background:var(--primary-bg);text-align:center;}.contact-text{font-size:1.125rem;color:var(--text-grey);margin-bottom:2rem;max-width:600px;margin-left:auto;margin-right:auto;}.contact-info{display:flex;justify-content:center;}.contact-email{font-size:1.5rem;font-weight:600;}.contact-email a{color:var(--accent-teal);text-decoration:none;transition:color 0.3s ease;}.contact-email a:hover{color:var(--text-white);}/* Impressum Section */.impressum{padding:5rem 0;background:var(--secondary-bg);}.impressum-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:3rem;max-width:1200px;margin:0 auto;margin-top:3rem;}.impressum-block h3{color:var(--accent-teal);font-size:1.25rem;margin-bottom:1rem;font-weight:700;}.impressum-block p{color:var(--text-grey);line-height:1.8;}.impressum-block strong{color:var(--text-white);}.impressum-block a{color:var(--accent-teal);text-decoration:none;transition:color 0.3s ease;}.impressum-block a:hover{color:var(--text-white);}/* Footer */.footer{background:var(--dark-bg);padding:2rem 0;}.footer-content{display:flex;flex-direction:column;align-items:center;gap:1rem;}.footer-icon{width:60px;height:60px;object-fit:contain;}.footer-text{color:var(--text-grey);font-size:0.95rem;}/* Responsive Design */@media (max-width:1024px){.nav-menu{gap:1.5rem;}}@media (max-width:768px){.header-content{flex-direction:column;gap:1rem;}.nav-menu{flex-direction:column;text-align:center;gap:0.75rem;}.lang-dropdown{min-width:140px;font-size:0.875rem;padding:0.4rem 2rem 0.4rem 0.8rem;}.hero-ui-showcase{height:300px;max-width:100%;}.hero-title{font-size:2rem;}.format-text{min-width:110px;}.hero-subtitle{font-size:1rem;}.hero-features{flex-direction:column;gap:1rem;}.ndi-badge-image{width:140px;}.section-title{font-size:2rem;}.features-grid{grid-template-columns:1fr;}.use-case-content.active{grid-template-columns:1fr;gap:2rem;}.use-case-tab{font-size:0.85rem;padding:0.875rem 1.25rem;}.partners-grid{grid-template-columns:repeat(2,1fr);gap:1.5rem;}.impressum-content{grid-template-columns:1fr;gap:2rem;}.pdf-download-banner{flex-direction:column;text-align:center;padding:1.5rem;gap:1.5rem;}.pdf-download-icon{font-size:3rem;}.pdf-download-text h3{font-size:1.25rem;}.download-content{grid-template-columns:1fr;gap:2.5rem;}}@media (max-width:480px){.container{padding:0 1rem;}.language-selector{width:100%;}.lang-dropdown{width:100%;}.cta-buttons{flex-direction:column;width:100%;}.btn{width:100%;}.contact-email{font-size:1.125rem;}.use-case-tabs{flex-direction:column;gap:0.75rem;}.use-case-tab{width:100%;}.use-case-text h3{font-size:1.5rem;}.partners-grid{grid-template-columns:1fr;gap:1rem;}.partner-card{height:100px;}.partner-logo{max-height:60px;}}/* Smooth Scrolling */html{scroll-behavior:smooth;}/* Animations */@keyframes fadeIn{from{opacity:0;transform:translateY(30px);}to{opacity:1;transform:translateY(0);}}.hero-content,.feature-card,.device-card{animation:fadeIn 0.6s ease-out;}