:root{--signia-red: #e1001a;--signia-red-dark: #b80015;--signia-red-light: #ff1a33;--siemens-teal: #007272;--siemens-teal-dark: #005858;--signia-grey: #5f6368;--dark: #1a1a1a;--dark-grey: #333333;--medium-grey: #666666;--light-grey: #f5f5f5;--border-grey: #e0e0e0;--white: #ffffff;--shadow: 0 2px 20px rgba(0,0,0,.08);--shadow-lg: 0 10px 40px rgba(0,0,0,.12);--transition: all .3s ease;--font-primary: "Inter", "Segoe UI", sans-serif;--font-heading: "Inter", "Segoe UI", sans-serif;--max-width: 1200px}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;font-size:16px;-webkit-text-size-adjust:100%}@media(pointer:coarse){.btn{min-height:48px}.nav-links a{min-height:44px;display:flex;align-items:center}.filter-tab{min-height:44px}.faq-question{min-height:56px}}body{font-family:var(--font-primary);color:var(--dark-grey);line-height:1.6;background:var(--white);overflow-x:hidden}body>section:not(.hero),body>footer{content-visibility:auto;contain-intrinsic-size:auto 720px}a{text-decoration:none;color:inherit;transition:var(--transition)}a:focus-visible,button:focus-visible{outline:3px solid #ffb3bc;outline-offset:3px}img{max-width:100%;height:auto;display:block}ul{list-style:none}.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;background:var(--white);box-shadow:0 1px 10px #00000014;transition:var(--transition)}.navbar.scrolled{box-shadow:0 2px 20px #0000001f}.nav-container{max-width:var(--max-width);margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;height:72px}.nav-logo{display:flex;align-items:center;gap:12px}.nav-logo .logo-text{font-size:1.3rem;font-weight:700;letter-spacing:-.5px}.nav-logo .logo-text .signia-red{color:var(--signia-red)}.nav-logo .logo-text .signia-grey{color:var(--signia-grey)}.nav-logo .logo-text .siemens{color:var(--siemens-teal)}.nav-logo .logo-sub{font-size:.7rem;text-transform:uppercase;letter-spacing:2px;color:var(--medium-grey);display:block}.nav-links{display:flex;align-items:center;gap:32px}.nav-links a{font-size:.9rem;font-weight:500;color:var(--dark-grey);position:relative;padding:4px 0}.nav-links a:after{content:"";position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--signia-red);transition:width .3s ease}.nav-links a:hover:after,.nav-links a.active:after{width:100%}.nav-links a:hover{color:var(--signia-red)}.nav-cta{background:var(--siemens-teal)!important;color:var(--white)!important;padding:10px 24px!important;border-radius:50px;font-weight:600!important;font-size:.85rem!important;letter-spacing:.5px}.nav-cta:after{display:none!important}.nav-cta:hover{background:var(--siemens-teal-dark)!important;transform:translateY(-1px);box-shadow:0 4px 15px #0099994d}.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:5px;border:0;background:transparent;color:inherit}.hamburger span{width:25px;height:2px;background:var(--dark);transition:var(--transition)}.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}.hero{margin-top:72px;min-height:85vh;display:flex;align-items:center;position:relative;overflow:hidden}.hero:before,.hero:after{display:none}.hero-bg-effects{position:absolute;inset:0;z-index:1}.hero-glow{position:absolute;border-radius:50%;filter:blur(80px)}.hero-glow-1{width:500px;height:500px;background:#e1001a1f;top:-10%;right:-5%;animation:glowPulse 6s ease-in-out infinite}.hero-glow-2{width:400px;height:400px;background:#0099991a;bottom:-15%;left:-5%;animation:glowPulse 8s ease-in-out infinite 2s}.hero-glow-3{width:300px;height:300px;background:#e1001a0f;top:40%;left:50%;transform:translate(-50%);animation:glowPulse 7s ease-in-out infinite 4s}@keyframes glowPulse{0%,to{opacity:.5;transform:scale(1)}50%{opacity:1;transform:scale(1.15)}}.hero-grid-pattern{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);background-size:60px 60px}.hero-logo-wrapper{position:relative;width:100px;height:100px;margin:0 auto 28px}.hero-logo-ring{position:absolute;inset:-8px;border-radius:50%;border:2px solid transparent;border-top-color:var(--signia-red);border-right-color:var(--siemens-teal);animation:logoSpin 8s linear infinite}@keyframes logoSpin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.hero-logo-img{width:100px;height:100px;border-radius:50%;border:3px solid rgba(255,255,255,.1);box-shadow:0 0 40px #e1001a26,0 0 80px #00999914}.hero-brand-text{display:flex;align-items:center;justify-content:center;gap:20px;margin-bottom:12px}.hero-signia{font-size:2.8rem;font-weight:800;letter-spacing:2px}.hero-divider{width:1px;height:36px;background:#ffffff26}.hero-siemens{font-size:1.6rem;font-weight:700;letter-spacing:4px}.hero-underline{position:absolute;bottom:-4px;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--signia-red),var(--siemens-teal));border-radius:2px;transform:scaleX(0);transform-origin:left;animation:underlineGrow 1.5s ease-out .5s both}@keyframes underlineGrow{0%{transform:scaleX(0);opacity:0}to{transform:scaleX(1);opacity:1}}.hero-scroll-indicator{position:absolute;bottom:32px;left:50%;transform:translate(-50%);z-index:3}.hero-scroll-line{width:1px;height:40px;background:linear-gradient(to bottom,rgba(255,255,255,.4),transparent);transform-origin:top;animation:scrollPulse 2s ease-in-out infinite}@keyframes scrollPulse{0%,to{opacity:.3;transform:scaleY(1)}50%{opacity:.8;transform:scaleY(1.25)}}.hero-content{position:relative;z-index:2;max-width:var(--max-width);margin:0 auto;padding:0 20px;display:flex;flex-direction:column;align-items:center;text-align:center;width:100%}.hero-text{color:var(--dark)}.hero-badge{display:inline-block;background:#e1001a14;border:1px solid rgba(225,0,26,.2);color:var(--signia-red);padding:6px 16px;border-radius:50px;font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:1.5px;margin-bottom:24px}.hero-text h1{font-size:3.2rem;font-weight:800;line-height:1.15;margin-bottom:20px;letter-spacing:-1px;color:var(--dark)}.hero-text h1 span{color:var(--signia-red)}.hero-text p{font-size:1.1rem;color:var(--medium-grey);margin-bottom:36px;max-width:600px;margin-left:auto;margin-right:auto;line-height:1.7}.hero-buttons{display:flex;gap:16px;flex-wrap:wrap;justify-content:center}.hero-visual{display:flex;justify-content:center;align-items:center;position:relative}.hero-visual .hero-image-placeholder{width:400px;height:400px;background:linear-gradient(135deg,#e1001a0f,#e1001a05);border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;border:2px solid rgba(225,0,26,.1)}.hero-visual .signia-logo-large{font-size:3rem;font-weight:800;letter-spacing:3px}.hero-visual .signia-logo-large .red{color:var(--signia-red)}.hero-visual .signia-logo-large .grey{color:var(--medium-grey)}.hero-visual .tagline{color:var(--medium-grey);font-size:1.1rem;margin-top:8px;font-style:italic}.hero-stats{display:flex;gap:40px;margin-top:48px;padding-top:32px;border-top:1px solid var(--border-grey);justify-content:center}.hero-stat h3{font-size:2rem;font-weight:800;color:var(--signia-red)}.hero-stat p{font-size:.8rem;color:var(--medium-grey);text-transform:uppercase;letter-spacing:1px;margin-bottom:0}.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:50px;font-weight:600;font-size:.9rem;cursor:pointer;transition:var(--transition);border:none;letter-spacing:.3px}.btn-primary{background:var(--signia-red);color:var(--white)}.btn-primary:hover{background:var(--signia-red-dark);transform:translateY(-2px);box-shadow:0 6px 20px #e1001a59}.btn-outline{background:transparent;color:var(--dark-grey);border:2px solid var(--border-grey)}.btn-outline:hover{border-color:var(--signia-red);color:var(--signia-red);background:#e1001a08}.btn-outline-dark{background:transparent;color:var(--dark-grey);border:2px solid var(--border-grey)}.btn-outline-dark:hover{border-color:var(--signia-red);color:var(--signia-red)}.btn-whatsapp{background:#25d366;color:var(--white)}.btn-whatsapp:hover{background:#1da851;transform:translateY(-2px);box-shadow:0 6px 20px #25d36659}.section{padding:100px 0}.section-dark{background:var(--dark);color:var(--white)}.section-grey{background:var(--light-grey)}.section-header{text-align:center;margin-bottom:60px}.section-header .section-tag{display:inline-block;color:var(--signia-red);font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:2px;margin-bottom:12px}.section-header h2{font-size:2.5rem;font-weight:800;color:var(--dark);letter-spacing:-.5px;margin-bottom:16px}.section-dark .section-header h2{color:var(--white)}.section-header p{font-size:1.05rem;color:var(--medium-grey);max-width:600px;margin:0 auto}.product-types-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.product-type-card{background:var(--white);border-radius:16px;padding:40px 24px;text-align:center;box-shadow:var(--shadow);transition:var(--transition);border:1px solid var(--border-grey);position:relative;overflow:hidden}.product-type-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--signia-red);transform:scaleX(0);transition:transform .3s ease}.product-type-card:hover:before{transform:scaleX(1)}.product-type-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}.product-type-icon{width:80px;height:80px;background:linear-gradient(135deg,#e1001a14,#e1001a08);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:2rem}.product-type-card h3{font-size:1.2rem;font-weight:700;margin-bottom:12px;color:var(--dark)}.product-type-card p{font-size:.85rem;color:var(--medium-grey);line-height:1.6}.brands-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.brand-card{background:var(--white);border-radius:16px;padding:48px 32px;text-align:center;box-shadow:var(--shadow);transition:var(--transition);border:1px solid var(--border-grey)}.brand-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.brand-card .brand-name{font-size:2rem;font-weight:800;margin-bottom:4px}.brand-card .brand-name.signia .red{color:var(--signia-red)}.brand-card .brand-name.signia .grey{color:var(--medium-grey)}.brand-card .brand-tagline{font-size:.9rem;color:var(--medium-grey);font-style:italic;margin-bottom:16px}.brand-card .brand-badge{display:inline-block;background:#e1001a14;color:var(--signia-red);padding:4px 14px;border-radius:50px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:1px}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.feature-card{padding:32px;border-radius:16px;background:var(--white);border:1px solid var(--border-grey);transition:var(--transition);box-shadow:var(--shadow)}.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#e1001a33}.feature-icon{width:56px;height:56px;background:#e1001a14;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;font-size:1.5rem}.feature-card h3{font-size:1.15rem;font-weight:700;margin-bottom:10px;color:var(--dark)}.feature-card p{font-size:.9rem;color:var(--medium-grey);line-height:1.7}.tests-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;max-width:700px;margin:0 auto}.test-card{border-radius:16px;padding:32px 24px;text-align:center;transition:var(--transition);color:var(--white);position:relative;overflow:hidden}.test-card:after{content:"";position:absolute;inset:0;background:#0000001a;opacity:0;transition:var(--transition)}.test-card:hover:after{opacity:1}.test-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}.test-card.pta{background:linear-gradient(135deg,#e1001a,#f44)}.test-card.tympanometry{background:linear-gradient(135deg,#ff6b00,#ff9500)}.test-card.bera{background:linear-gradient(135deg,#06c,#09f)}.test-card.assr{background:linear-gradient(135deg,#00a651,#0c6)}.test-card h3{font-size:1.3rem;font-weight:700;margin-bottom:12px;position:relative;z-index:1}.test-card p{font-size:.8rem;line-height:1.6;opacity:.9;position:relative;z-index:1}.cta-section{padding:80px 0;background:linear-gradient(135deg,var(--siemens-teal),var(--siemens-teal-dark));text-align:center;color:var(--white)}.cta-section h2{font-size:2.2rem;font-weight:800;margin-bottom:16px}.cta-section p{font-size:1.05rem;opacity:.9;margin-bottom:32px;max-width:500px;margin-left:auto;margin-right:auto}.cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.btn-white{background:var(--white);color:var(--siemens-teal)}.btn-white:hover{background:var(--light-grey);transform:translateY(-2px);box-shadow:0 6px 20px #0003}.btn-outline-white{background:transparent;color:var(--white);border:2px solid rgba(255,255,255,.4)}.btn-outline-white:hover{border-color:var(--white);background:#ffffff1a}.footer{background:#0a2626;color:#ffffffd6;padding:80px 0 32px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}.footer-about .footer-logo{font-size:1.5rem;font-weight:800;margin-bottom:4px}.footer-about .footer-logo .signia-red{color:var(--signia-red)}.footer-about .footer-logo .signia-grey{color:#d0d2d3}.footer-about .footer-logo .siemens{color:#4ad6d6}.footer-about .footer-logo-sub{font-size:.7rem;text-transform:uppercase;letter-spacing:2px;color:#ffffffc7;margin-bottom:16px;display:block}.footer-about p{font-size:.9rem;line-height:1.7;max-width:340px}.footer h3,.footer h4{color:var(--white);font-size:.9rem;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;margin-bottom:20px}.footer ul li{margin-bottom:10px}.footer ul li a{font-size:.9rem;color:#ffffffd1;transition:var(--transition)}.footer ul li a:hover{color:var(--signia-red);padding-left:4px}.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:32px;display:flex;justify-content:space-between;align-items:center;font-size:.85rem}.footer-bottom a:hover{color:var(--signia-red)}.products-hero{margin-top:72px;padding:80px 0 60px;background:linear-gradient(135deg,var(--siemens-teal),var(--siemens-teal-dark));text-align:center;color:var(--white)}.products-hero h1{font-size:2.8rem;font-weight:800;margin-bottom:16px}.products-hero p{font-size:1.05rem;color:#fff9;max-width:600px;margin:0 auto 32px}.filter-tabs{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-bottom:48px;padding:0 20px}.filter-tab{padding:10px 24px;border-radius:50px;border:2px solid var(--border-grey);background:var(--white);cursor:pointer;font-weight:600;font-size:.85rem;transition:var(--transition);color:var(--dark-grey)}.filter-tab:hover,.filter-tab.active{background:var(--signia-red);color:var(--white);border-color:var(--signia-red)}.price-category{margin-bottom:64px;scroll-margin-top:100px}.price-category h2{font-size:1.8rem;font-weight:800;color:var(--dark);margin-bottom:8px;display:flex;align-items:center;gap:12px}.price-category .category-badge{font-size:.7rem;background:var(--signia-red);color:var(--white);padding:4px 12px;border-radius:50px;font-weight:600;text-transform:uppercase;letter-spacing:1px}.price-category>p{color:var(--medium-grey);margin-bottom:24px;font-size:.95rem}.price-table-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:12px;box-shadow:var(--shadow);border:1px solid var(--border-grey)}.price-table{width:100%;border-collapse:collapse;min-width:700px}.price-table thead{background:var(--signia-red);color:var(--white)}.price-table th{padding:16px 20px;text-align:left;font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:1px}.price-table tbody tr{border-bottom:1px solid var(--border-grey);transition:var(--transition)}.price-table tbody tr:last-child{border-bottom:none}.price-table tbody tr:hover{background:#e1001a08}.price-table td{padding:16px 20px;font-size:.9rem}.price-table .model-name{font-weight:700;color:var(--dark)}.price-table .channels{display:inline-block;background:#e1001a14;color:var(--signia-red);padding:2px 10px;border-radius:50px;font-size:.8rem;font-weight:600}.price-table .price{font-weight:700;color:var(--dark)}.price-table .price-unit{font-size:.75rem;color:var(--medium-grey);font-weight:400}.price-note{margin-top:16px;padding:16px 20px;background:#e1001a0a;border-left:3px solid var(--signia-red);border-radius:0 8px 8px 0;font-size:.85rem;color:var(--medium-grey)}.lifespan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px}.lifespan-card{padding:32px;border-radius:12px;text-align:center;border:1px solid var(--border-grey);background:var(--white)}.lifespan-card h4{font-size:1rem;margin-bottom:8px;color:var(--dark)}.lifespan-card .years{font-size:2rem;font-weight:800;color:var(--signia-red)}.lifespan-card p{font-size:.8rem;color:var(--medium-grey)}.test-detail{padding:48px 0;border-bottom:1px solid var(--border-grey)}.test-detail:last-child{border-bottom:none}.test-detail h3{font-size:1.5rem;font-weight:700;color:var(--dark);margin-bottom:16px}.test-detail p{font-size:.95rem;color:var(--medium-grey);line-height:1.8;max-width:800px}.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;max-width:900px;margin:0 auto}.faq-item{background:var(--white);border:1px solid var(--border-grey);border-radius:12px;overflow:hidden;box-shadow:var(--shadow);transition:var(--transition)}.faq-item:hover{box-shadow:var(--shadow-lg);border-color:var(--signia-red)}.faq-question{padding:24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;background:linear-gradient(135deg,#e1001a05,#00999905);transition:var(--transition)}.faq-question:hover{background:linear-gradient(135deg,#e1001a0f,#0099990f)}.faq-question h3{font-size:1rem;font-weight:600;color:var(--dark);margin:0;text-align:left}.faq-toggle{font-size:1.5rem;font-weight:700;color:var(--signia-red);min-width:30px;text-align:center;transition:var(--transition)}.faq-item.active .faq-toggle{transform:rotate(45deg)}.faq-answer{padding:24px;background:var(--white);border-top:1px solid var(--border-grey);animation:slideDown .3s ease}.faq-answer p{font-size:.9rem;color:var(--medium-grey);line-height:1.8;margin:0}@keyframes slideDown{0%{opacity:0;max-height:0}to{opacity:1;max-height:500px}}.currency-switcher{display:flex;align-items:center;gap:8px;justify-content:center;margin-bottom:32px;flex-wrap:wrap}.currency-label{font-size:.85rem;font-weight:600;color:var(--dark-grey);margin-right:4px}.currency-btn{padding:8px 20px;border-radius:50px;border:2px solid var(--border-grey);background:var(--white);cursor:pointer;font-weight:700;font-size:.8rem;transition:var(--transition);color:var(--dark-grey);display:flex;align-items:center;gap:6px}.currency-btn .currency-flag{font-size:1.1rem;line-height:1}.currency-btn:hover{border-color:var(--siemens-teal);color:var(--siemens-teal)}.currency-btn.active{background:var(--siemens-teal);color:var(--white);border-color:var(--siemens-teal)}.currency-note{text-align:center;font-size:.75rem;color:var(--medium-grey);margin-top:-20px;margin-bottom:32px}.pc-card{background:linear-gradient(145deg,#1a1a1a,#111);border:1px solid rgba(255,255,255,.06);border-radius:16px;overflow:hidden;text-align:center;transition:all .4s ease;position:relative}.pc-card:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.02),transparent);pointer-events:none}.pc-card:hover{transform:translateY(-8px);box-shadow:0 15px 40px #0006;border-color:#ffffff1f}.pc-popular{border:2px solid var(--signia-red)!important;box-shadow:0 0 30px #e1001a1f,inset 0 0 30px #e1001a08;background:linear-gradient(145deg,#1f0a0c,#111)}.pc-popular:hover{box-shadow:0 0 50px #e1001a33,0 15px 40px 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