:root{--shadow-sm: 0 2px 10px rgba(0, 0, 0, .05);--shadow-md: 0 4px 20px rgba(var(--neutral-900-rgb), .1);--shadow-lg: 0 10px 30px rgba(0, 0, 0, .15);--border-radius-sm: 8px;--border-radius-md: 12px;--border-radius-lg: 20px;--border-radius-xl: 30px;--transition-fast: .2s ease;--transition-normal: .3s ease;--transition-slow: .5s ease;--container-width: 1200px}body,html{margin:0;padding:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;scroll-behavior:smooth;overflow-x:hidden}.exam-subtext sup,{color:var(--neutral-900)}.circuit-node sup{color:var(--text-primary)}.container{max-width:var(--container-width);margin:0 auto;padding:0 2rem}a{text-decoration:none;color:inherit}img,video{max-width:100%;height:auto}.nav-modern{position:fixed;top:0;left:0;width:100%;z-index:1000;transition:all var(--transition-normal);padding:1.5rem 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1.5rem;border-radius:var(--border-radius-xl);font-weight:600;transition:all var(--transition-normal);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:var(--shadow-sm)}.nav-button:hover{background-color:rgba(var(--neutral-50-rgb),.25);transform:translateY(-2px);box-shadow:var(--shadow-md)}.scrolled .nav-button{background-color:var(--primary-600);color:var(--text-on-primary)}.scrolled .nav-button:hover{background-color:var(--primary-900)}.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:.5rem}.nav-toggle-icon{display:block;width:24px;height:2px;background-color:var(--text-on-primary);position:relative;transition:all var(--transition-normal)}.nav-toggle-icon:before,.nav-toggle-icon:after{content:"";position:absolute;width:24px;height:2px;background-color:var(--text-on-primary);transition:all var(--transition-normal)}.nav-toggle-icon:before{top:-8px}.nav-toggle-icon:after{bottom:-8px}.scrolled .nav-toggle-icon,.scrolled 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.3s ease}.exam-icon{display:flex;align-items:center;justify-content:center;width:48px;height:48px;min-width:48px;background:linear-gradient(135deg,var(--primary-600),var(--primary-900));border-radius:12px;color:var(--text-on-primary);font-size:1.25rem;box-shadow:0 4px 10px rgba(var(--neutral-900-rgb),.1)}.exam-text{font-weight:600;font-size:1.05rem;color:var(--text-primary);margin-bottom:.5rem}sup{color:var(--neutral-50)}.cta-title sup,.section-title sup{color:var(--neutral-900)}.main-features{padding:2rem 0 6rem;background:linear-gradient(135deg,var(--primary-200),var(--primary-700))!important}.feature-card{margin-bottom:5rem;border-radius:var(--border-radius-lg);background-color:var(--background-primary);box-shadow:var(--shadow-md);overflow:hidden;transition:all var(--transition-normal)}.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.feature-cards .feature-card{background:var(--surface-primary);border:1px solid var(--border);border-radius:16px;padding:2rem}.feature-cards .feature-card:hover{border-color:var(--accent);transform:translateY(-4px)}.feature-content{display:flex;align-items:stretch}.feature-card-reversed .feature-content{flex-direction:row-reverse}.feature-image,.feature-video{flex:1;min-height:400px;overflow:hidden}.feature-image img,.feature-media{width:100%;height:100%;object-fit:cover;display:block}.feature-details{flex:1;padding:3rem;display:flex;flex-direction:column;justify-content:center}.feature-title{font-size:1.75rem;font-weight:700;margin-bottom:1.5rem;color:var(--text-primary)}.feature-description{font-size:1.05rem;line-height:1.6;color:var(--text-primary);opacity:.8;margin-bottom:1.5rem}.feature-description:last-of-type{margin-bottom:2.5rem}.feature-button{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 2rem;font-weight:600;border-radius:var(--border-radius-xl);background-color:var(--primary-600);color:var(--text-on-primary);transition:all var(--transition-normal);width:fit-content}.feature-button:hover{background-color:var(--primary-900);color:var(--neutral-50)}.pricing{padding:6rem 0;background-color:var(--background-tertiary)}.pricing-card{max-width:800px;margin:0 auto;padding:3rem;background-color:var(--background-primary);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-md);text-align:center}.pricing-title{font-size:2.25rem;font-weight:700;margin-bottom:1rem;color:var(--text-primary)}.pricing-description{font-size:1.125rem;line-height:1.6;color:var(--text-primary);opacity:.7;margin-bottom:2.5rem}.pricing-description sup,.pricing-item sup{color:var(--text-primary)!important}.pricing-amount{font-size:4rem;font-weight:700;color:var(--primary-600);margin-bottom:2.5rem;line-height:1}.pricing-currency{font-size:2rem;vertical-align:super;margin-right:.25rem}.pricing-number{font-size:4rem}.pricing-period{font-size:1.5rem;font-weight:400;color:var(--text-primary);opacity:.6}.pricing-features-container{display:flex;margin-bottom:2.5rem}.pricing-features{flex:2;text-align:left}.pricing-list{list-style:none;padding:0;margin:0}.pricing-item{position:relative;padding-left:2rem;margin-bottom:1rem;font-size:1.05rem;line-height:1.6;color:var(--text-primary)}.pricing-item:before{content:"✓";position:absolute;left:0;top:0;color:var(--primary-600);font-weight:700}.pricing-cta{flex:1;display:flex;justify-content:flex-end;align-items:flex-start}.pricing-button{display:inline-flex;align-items:center;justify-content:center;padding:.875rem 2rem;font-weight:600;font-size:1rem;border-radius:var(--border-radius-xl);background-color:var(--primary-600);color:var(--text-on-primary);transition:all var(--transition-normal);box-shadow:var(--shadow-sm)}.pricing-button:hover{background-color:var(--primary-900);transform:translateY(-3px);box-shadow:var(--shadow-md);color:var(--neutral-50)}.level-choice-container{margin-top:2rem;padding:0rem .75rem .75rem;background:#ffffff14;border-radius:var(--border-radius-xl);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.15);display:flex;flex-direction:column;align-items:center;gap:1.25rem;width:fit-content;transition:all var(--transition-normal)}.level-choice-container:hover{background:#ffffff1f;border-color:#ffffff40;transform:translateY(-2px)}.level-choice-text{font-size:.95rem;font-weight:500;color:#ffffffe6;text-align:center;letter-spacing:.3px;margin:0}.level-choice-buttons{display:flex;gap:1rem;align-items:center;justify-content:center;flex-wrap:wrap}.level-choice-buttons--compact{gap:.75rem}.level-choice-buttons--spaced{gap:1.5rem;margin-top:2rem}.payment-methods{margin-top:4rem;padding:3rem;background:linear-gradient(135deg,rgba(var(--primary-600-rgb),.03),rgba(var(--primary-900-rgb),.01));border-radius:var(--border-radius-lg);border:1px solid rgba(var(--neutral-900-rgb),.06);text-align:center;position:relative;overflow:hidden;transition:all var(--transition-normal)}.payment-methods:before{content:"";position:absolute;top:-50%;right:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(var(--primary-600-rgb),.05) 0%,transparent 70%);pointer-events:none;opacity:0;transition:opacity var(--transition-normal)}.payment-methods:hover:before{opacity:1}.payment-title{font-size:1rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;margin-bottom:2rem;color:var(--text-primary);opacity:.7;position:relative}.payment-icons{display:flex;justify-content:center;align-items:center;gap:1.5rem;flex-wrap:wrap}.payment-icons a,.payment-icons span{display:flex;align-items:center;justify-content:center;width:80px;height:56px;background:var(--background-primary);border:2px solid rgba(var(--neutral-900-rgb),.08);border-radius:var(--border-radius-md);transition:all var(--transition-normal);color:var(--text-primary);font-size:2rem;position:relative;overflow:hidden;box-shadow:0 2px 8px #0000000a}.payment-icons a:before,.payment-icons span:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(var(--primary-600-rgb),.05),rgba(var(--primary-900-rgb),.02));opacity:0;transition:opacity var(--transition-normal)}.payment-icons a:hover{transform:translateY(-4px);box-shadow:0 8px 20px rgba(var(--primary-600-rgb),.15);border-color:rgba(var(--primary-600-rgb),.3);color:var(--primary-600)}.payment-icons a:hover:before{opacity:1}.payment-icons a i,.payment-icons span i{position:relative;z-index:1;transition:transform var(--transition-normal)}.payment-icons a:hover i{transform:scale(1.1)}@media(max-width:768px){.payment-methods{padding:2rem 1.5rem;margin-top:3rem}.payment-title{font-size:.9rem;margin-bottom:1.5rem}.payment-icons{gap:1rem}.payment-icons a,.payment-icons span{width:70px;height:50px;font-size:1.75rem}}@media(max-width:480px){.payment-methods{padding:1.5rem 1rem}.payment-icons{gap:.75rem}.payment-icons a,.payment-icons span{width:64px;height:44px;font-size:1.5rem}.level-choice-container{padding:1.25rem 1.5rem;gap:1rem}.level-choice-text{font-size:.85rem}}.about-caia-section{padding:6rem 0;background:var(--background-primary);position:relative;overflow:hidden}.about-caia-container{max-width:var(--container-width);margin:0 auto;padding:0 2rem}.about-caia-header{text-align:center;margin-bottom:4rem}.about-caia-subtitle{color:var(--primary-600);font-size:.875rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;margin-bottom:1rem}.about-caia-title{font-size:2.75rem;font-weight:700;margin-bottom:1rem;color:var(--text-primary);line-height:1.2}.about-caia-title sup{color:var(--text-primary)!important}.about-caia-intro{font-size:1.125rem;line-height:1.7;color:var(--text-primary);opacity:.8;max-width:900px;margin:0 auto 1.5rem}.about-caia-intro sup{color:var(--text-primary)!important}.caia-register-note{display:flex;align-items:flex-start;gap:1rem;padding:1.25rem 2rem;background:linear-gradient(135deg,rgba(var(--primary-600-rgb),.08),rgba(var(--primary-900-rgb),.04));border-radius:var(--border-radius-md);border:1px solid rgba(var(--primary-600-rgb),.2);font-size:1rem;font-weight:500;color:var(--text-primary);margin:0 auto;max-width:900px;line-height:1.6}.caia-register-note sup{color:var(--text-primary)!important}.caia-register-note i{color:var(--primary-600);font-size:1.25rem;margin-top:.125rem;flex-shrink:0}.caia-register-note span{flex:1}.caia-register-note a{color:var(--primary-600);font-weight:600;text-decoration:none;border-bottom:1px solid transparent;transition:border-color var(--transition-fast);white-space:nowrap}.caia-register-note a:hover{border-bottom-color:var(--primary-600)}.caia-levels-bento{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem;margin-bottom:3rem}.caia-level-card{background:var(--background-primary);border:2px solid rgba(var(--neutral-900-rgb),.08);border-radius:var(--border-radius-lg);padding:3rem;transition:all var(--transition-normal);position:relative;overflow:hidden}.caia-level-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--primary-600) 0%,var(--primary-900) 100%);transform:scaleX(0);transform-origin:left;transition:transform var(--transition-normal)}.caia-level-card:hover{transform:translateY(-6px);box-shadow:0 20px 40px #2563eb1f;border-color:rgba(var(--primary-600-rgb),.25)}.caia-level-card:hover:before{transform:scaleX(1)}.caia-level-header{display:flex;align-items:center;gap:1.5rem;margin-bottom:2rem}.caia-level-icon{width:60px;height:60px;background:linear-gradient(135deg,var(--primary-600) 0%,var(--primary-700) 100%);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.75rem;color:var(--text-on-primary);box-shadow:0 4px 12px rgba(var(--primary-600-rgb),.3);flex-shrink:0;transition:all var(--transition-normal)}.caia-level-card:hover .caia-level-icon{transform:scale(1.08);box-shadow:0 6px 16px rgba(var(--primary-600-rgb),.4)}.caia-level-title{font-size:1.75rem;font-weight:700;color:var(--text-primary);margin:0}.caia-level-title sup{color:var(--text-primary)!important}.caia-level-subtitle{font-size:.95rem;color:var(--primary-600);font-weight:600;margin:.25rem 0 0}.caia-level-list{list-style:none;padding:0;margin:0}.caia-level-list li{position:relative;padding-left:2rem;margin-bottom:1rem;font-size:1rem;line-height:1.6;color:var(--text-primary);opacity:.85}.caia-level-list li:before{content:"→";position:absolute;left:0;color:var(--primary-600);font-weight:700;font-size:1.2rem}.caia-requirements-card{background:linear-gradient(135deg,rgba(var(--primary-600-rgb),.05),rgba(var(--primary-900-rgb),.02));border:1px solid rgba(var(--primary-600-rgb),.15);border-radius:var(--border-radius-lg);padding:2.5rem;text-align:center;margin-bottom:3rem}.caia-requirements-title{font-size:1.5rem;font-weight:700;margin-bottom:1.5rem;color:var(--text-primary)}.caia-requirements-title sup{color:var(--text-primary)!important}.caia-requirements-content{display:flex;justify-content:center;align-items:center;gap:3rem;flex-wrap:wrap}.caia-requirement-item{display:flex;flex-direction:column;align-items:center;gap:.75rem}.requirement-icon{width:56px;height:56px;background:linear-gradient(135deg,var(--primary-600) 0%,var(--primary-900) 100%);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:var(--text-on-primary);box-shadow:0 4px 12px rgba(var(--primary-600-rgb),.25)}.requirement-text{font-size:.95rem;font-weight:600;color:var(--text-primary)}.requirement-subtext{font-size:.85rem;color:var(--text-primary);opacity:.7}.caia-cta{text-align:center;padding:3rem;background:var(--background-primary);border-radius:var(--border-radius-lg);border:2px solid rgba(var(--neutral-900-rgb),.08);position:relative;overflow:hidden}.caia-cta:before{content:"";position:absolute;top:-50%;right:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(var(--primary-600-rgb),.03) 0%,transparent 70%);pointer-events:none}.caia-cta-content{position:relative;z-index:1}.caia-cta-text{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin-bottom:1.5rem}.caia-cta-text sup{color:var(--text-primary)!important}.caia-learn-more-btn{display:inline-flex;align-items:center;gap:.75rem;padding:1rem 2.5rem;background:linear-gradient(135deg,var(--primary-600) 0%,var(--primary-700) 100%);color:var(--text-on-primary);text-decoration:none;border-radius:var(--border-radius-md);font-weight:700;font-size:1.125rem;transition:all var(--transition-normal);box-shadow:0 4px 12px rgba(var(--primary-600-rgb),.25)}.caia-learn-more-btn:hover{background:linear-gradient(135deg,var(--primary-700) 0%,var(--primary-900) 100%);color:var(--text-on-primary);transform:translateY(-2px);box-shadow:0 6px 16px rgba(var(--primary-600-rgb),.35)}.caia-learn-more-btn i{transition:transform var(--transition-fast);color:inherit}.caia-learn-more-btn:hover i{transform:translate(4px);color:var(--text-on-primary)}@media(max-width:1024px){.caia-levels-bento{gap:1.5rem}.caia-level-card{padding:2.5rem}}@media(max-width:768px){.about-caia-section{padding:4rem 0}.about-caia-header{margin-bottom:3rem}.about-caia-title{font-size:2.25rem}.about-caia-intro{font-size:1rem}.caia-levels-bento{grid-template-columns:1fr;gap:1.5rem}.caia-level-card{padding:2rem}.caia-level-header{gap:1rem}.caia-level-icon{width:52px;height:52px;font-size:1.5rem}.caia-level-title{font-size:1.5rem}.caia-requirements-card{padding:2rem}.caia-requirements-content{gap:2rem}.caia-cta{padding:2rem}}@media(max-width:480px){.about-caia-title{font-size:1.875rem}.caia-register-note{flex-direction:column;align-items:center;text-align:center;padding:1.25rem 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