:root{--primary-color:gold;--primary-dark:#ffc107;--primary-light:#ffeb3b;--secondary-color:#1d4ed8;--accent-color:#ff6b6b;--success-color:#4caf50;--warning-color:#ff9800;--error-color:#f44336;--white:#fff;--light-gray:#f8f9fa;--gray:#6c757d;--dark-gray:#343a40;--black:#000;--color-text:#000;--primary-gradient:linear-gradient(135deg,var(--primary-color),var(--primary-dark));--hero-gradient:linear-gradient(135deg,var(--primary-light),var(--primary-color));--font-primary:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI","Roboto",sans-serif;--font-secondary:"Poppins",sans-serif;--font-xs:0.75rem;--font-sm:0.875rem;--font-base:1rem;--font-lg:1.125rem;--font-xl:1.25rem;--font-2xl:1.5rem;--font-3xl:1.875rem;--font-4xl:2.25rem;--font-5xl:3rem;--spacing-xs:0.25rem;--spacing-sm:0.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--spacing-3xl:4rem;--border-radius-sm:0.25rem;--border-radius-md:0.5rem;--border-radius-lg:0.75rem;--border-radius-xl:1rem;--border-radius-full:9999px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;--shadow-xl:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;--transition-fast:0.15s ease-in-out;--transition-normal:0.3s ease-in-out;--transition-slow:0.5s ease-in-out;--breakpoint-sm:640px;--breakpoint-md:768px;--breakpoint-lg:1024px;--breakpoint-xl:1280px}html{font-size:16px}body{background-color:#fff;background-color:var(--white);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-family:var(--font-primary)}body,h1,h2,h3,h4,h5,h6{color:#343a40;color:var(--dark-gray)}h1,h2,h3,h4,h5,h6{font-family:Poppins,sans-serif;font-family:var(--font-secondary);font-weight:600;line-height:1.2}h1{font-size:2.25rem;font-size:var(--font-4xl)}h2{font-size:1.875rem;font-size:var(--font-3xl)}h3{font-size:1.5rem;font-size:var(--font-2xl)}h4{font-size:1.25rem;font-size:var(--font-xl)}h5{font-size:1.125rem;font-size:var(--font-lg)}h6{font-size:1rem;font-size:var(--font-base)}p{margin-bottom:1rem;margin-bottom:var(--spacing-md)}a{color:gold;color:var(--primary-color);text-decoration:none;transition:color .15s ease-in-out;transition:color var(--transition-fast)}a:hover{color:#ffc107;color:var(--primary-dark)}.btn{align-items:center;border:none;border-radius:.5rem;border-radius:var(--border-radius-md);cursor:pointer;display:inline-flex;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-family:var(--font-primary);font-size:1rem;font-size:var(--font-base);font-weight:500;gap:.5rem;gap:var(--spacing-sm);justify-content:center;padding:.5rem 1.5rem;padding:var(--spacing-sm) var(--spacing-lg);text-decoration:none;transition:all .3s ease-in-out;transition:all var(--transition-normal)}.btn-primary{background:linear-gradient(135deg,gold,#ffc107);background:var(--primary-gradient);box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;box-shadow:var(--shadow-md);color:#fff;color:var(--white)}.btn-primary:hover{box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;box-shadow:var(--shadow-lg);color:#fff;color:var(--white);transform:translateY(-2px)}.btn-secondary{background:#fff;background:var(--white);border:2px solid gold;border:2px solid var(--primary-color);color:gold;color:var(--primary-color)}.btn-secondary:hover{background:gold;background:var(--primary-color);color:#fff;color:var(--white)}.container{padding:0 1.5rem}.text-left{text-align:left}.text-right{text-align:right}.mb-1{margin-bottom:.5rem;margin-bottom:var(--spacing-sm)}.mb-2{margin-bottom:1rem;margin-bottom:var(--spacing-md)}.mb-3{margin-bottom:1.5rem;margin-bottom:var(--spacing-lg)}.mb-4{margin-bottom:2rem;margin-bottom:var(--spacing-xl)}.mt-1{margin-top:.5rem;margin-top:var(--spacing-sm)}.mt-2{margin-top:1rem;margin-top:var(--spacing-md)}.mt-3{margin-top:1.5rem;margin-top:var(--spacing-lg)}.mt-4{margin-top:2rem;margin-top:var(--spacing-xl)}@media (max-width:768px){.container{padding:0 1rem;padding:0 var(--spacing-md)}h1{font-size:1.875rem;font-size:var(--font-3xl)}h2{font-size:1.5rem;font-size:var(--font-2xl)}h3{font-size:1.25rem;font-size:var(--font-xl)}}@media (max-width:480px){.container{padding:0 .5rem;padding:0 var(--spacing-sm)}h1{font-size:1.5rem;font-size:var(--font-2xl)}h2{font-size:1.25rem;font-size:var(--font-xl)}}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;margin:0}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}*{box-sizing:border-box;margin:0;padding:0}body{color:#333;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6}.App{min-height:100vh}.App main section:not(.header){min-height:30vh}html{scroll-behavior:smooth}.text-center{text-align:center}.mb-0{margin-bottom:0}.mt-0{margin-top:0}.navigation-header{background:var(--white);box-shadow:var(--shadow-md);left:0;padding:0;position:fixed;right:0;top:0;z-index:1000}.nav-container{align-items:center;display:flex;justify-content:space-between;margin:0 auto;max-width:1200px;padding:var(--spacing-md) var(--spacing-lg)}.logo h2{color:var(--primary-color);font-size:var(--font-xl);font-weight:700;margin:0}.nav-menu{display:block}.nav-list{display:flex;gap:var(--spacing-lg);list-style:none;margin:0;padding:0}.nav-item{margin:0}.nav-link{background:none;border:none;border-radius:var(--border-radius-md);color:var(--dark-gray);cursor:pointer;font-size:var(--font-base);font-weight:500;padding:var(--spacing-sm) var(--spacing-md);text-decoration:none;transition:var(--transition-normal)}.nav-link:hover{background:var(--light-gray);color:var(--primary-color)}.nav-link.active{background:var(--primary-gradient);box-shadow:var(--shadow-md);color:var(--white)}.mobile-toggle{cursor:pointer;display:none;flex-direction:column;gap:4px;padding:var(--spacing-xs);position:relative;-webkit-user-select:none;user-select:none;z-index:1001}.mobile-toggle span{background:var(--dark-gray);border-radius:2px;height:3px;transition:var(--transition-normal);width:25px}@media (max-width:1024px){.nav-container{padding:var(--spacing-sm) var(--spacing-md)}.nav-menu{gap:var(--spacing-md)}.nav-link{font-size:var(--font-sm);padding:var(--spacing-xs) var(--spacing-sm)}}@media (max-width:768px){.nav-menu{background:var(--white);box-shadow:var(--shadow-lg);left:0;opacity:0;position:fixed;right:0;top:65px;transform:translateY(-100%);transition:all .3s ease;visibility:hidden;z-index:999}.nav-menu.mobile-open{opacity:1;transform:translateY(0);visibility:visible}.nav-list{flex-direction:column;gap:0;padding:var(--spacing-md)}.nav-item{border-bottom:1px solid var(--light-gray);border-radius:var(--border-radius-md);margin-bottom:var(--spacing-xs)}.nav-item:last-child{border-bottom:none}.nav-link{border-radius:0;font-size:var(--font-base);padding:var(--spacing-md);text-align:left;width:100%}.mobile-toggle{display:flex}.mobile-toggle.active span:first-child{transform:rotate(45deg) translate(5px,5px)}.mobile-toggle.active span:nth-child(2){opacity:0}.mobile-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(7px,-6px)}.logo h2{font-size:var(--font-lg)}}@media (max-width:480px){.nav-container{padding:20px}.logo h2{font-size:var(--font-base)}.nav-menu{top:60px}.nav-link{font-size:var(--font-sm);padding:var(--spacing-sm) var(--spacing-md)}}@media (max-width:768px){body{padding-top:70px}}@media (max-width:480px){body{padding-top:60px}}.header{align-items:center;background:linear-gradient(135deg,var(--primary-color) 0,var(--primary-light) 100%);display:flex;min-height:100vh;overflow:hidden;padding:4.5rem 0;position:relative}.hero-background{bottom:0;left:0;position:absolute;right:0;top:0;z-index:1}.hero-shapes{height:100%;position:relative;width:100%}.shape{animation:float 6s ease-in-out infinite;background:#ffffff1a;border-radius:50%;position:absolute}.shape-1{animation-delay:0s;height:200px;left:10%;top:10%;width:200px}.shape-2{animation-delay:2s;height:150px;right:15%;top:60%;width:150px}.shape-3{animation-delay:4s;bottom:20%;height:100px;left:20%;width:100px}@keyframes float{0%,to{transform:translateY(0) rotate(0deg)}50%{transform:translateY(-20px) rotate(180deg)}}.header .container{margin:0 auto;max-width:1200px;padding:0 2rem;position:relative;z-index:2}.hero-content{grid-gap:4rem;align-items:center;display:grid;gap:4rem;grid-template-columns:1fr 1fr}.hero-text{color:#fff}.hero-badges{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:1.5rem}.badge{align-items:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fff3;border:1px solid var(--color-text);border-radius:25px;color:#fff;color:var(--color-text);display:flex;font-size:.9rem;font-weight:500;gap:.5rem;padding:.5rem 1rem;transition:all .3s ease}.badge:hover{background:#ffffff4d;transform:translateY(-2px)}.hero-image-mobile{display:none}.image-container-mobile{height:200px;margin:1.5rem auto;position:relative;width:200px}.professor-photo-mobile{border:4px solid #ffffff4d;border-radius:50%;box-shadow:0 10px 30px #0000004d;height:100%;object-fit:cover;width:100%}.hero-title{color:var(--color-text);display:flex;flex-direction:column;font-size:3.5rem;font-weight:800;line-height:1.1;margin-bottom:1.5rem}.title-highlight{-webkit-text-fill-color:#0000;animation:shimmer 3s ease-in-out infinite;background:linear-gradient(45deg,var(--color-text),var(--color-text));-webkit-background-clip:text;background-clip:text}.title-subject{color:var(--color-text);font-size:.9em}.title-description{color:var(--color-text);font-size:.6em;font-weight:400;margin-top:.5rem}@keyframes shimmer{0%,to{background-position:0 50%}50%{background-position:100% 50%}}.hero-subtitle{align-items:flex-start;color:var(--color-text);display:flex;font-size:1.2rem;gap:.5rem;line-height:1.6;margin-bottom:2rem}.subtitle-icon{font-size:1.5rem;margin-top:.2rem}.hero-features{display:flex;flex-wrap:wrap;gap:1.5rem;margin-bottom:2.5rem}.feature{align-items:center;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#ffffff1a;border:1px solid var(--color-text);border-radius:15px;color:var(--color-text);display:flex;gap:.5rem;justify-content:center;padding:.75rem 1rem;transition:all .3s ease}.feature:hover{background:#fff3;transform:translateY(-3px)}.feature-icon{font-size:1.2rem}.cta-section{display:flex;flex-direction:column;gap:1rem}.cta-button{align-items:center;background:linear-gradient(45deg,#25d366,#128c7e);border-radius:50px;box-shadow:0 10px 30px #25d3664d;color:#fff;font-size:1.1rem;gap:1rem;overflow:hidden;padding:1.2rem 2rem;position:relative;transition:all .3s ease}.cta-button:before{background:linear-gradient(90deg,#0000,#fff3,#0000);content:"";height:100%;left:-100%;position:absolute;top:0;transition:left .5s;width:100%}.cta-button:hover:before{left:100%}.cta-button:hover{box-shadow:0 15px 40px #25d36666}.cta-icon{font-size:1.5rem}.cta-text{align-items:flex-start;color:var(--color-text);display:flex;flex-direction:column}.cta-text small{font-size:.8rem;font-weight:400;opacity:.9}.cta-note{align-items:center;color:#fffc;font-size:.9rem;gap:.5rem}.hero-image,.image-container{align-items:center;display:flex;justify-content:center}.image-container{position:relative}.image-decoration{height:100%;position:absolute;width:100%;z-index:1}.decoration-circle{animation:rotate 10s linear infinite;border:2px solid #ffffff4d;border-radius:50%;position:absolute}.circle-1{animation-delay:0s;height:300px;width:300px}.circle-1,.circle-2{left:50%;top:50%;transform:translate(-50%,-50%)}.circle-2{animation-delay:3s;animation-direction:reverse;height:350px;width:350px}.circle-3{animation-delay:6s;height:400px;left:50%;top:50%;transform:translate(-50%,-50%);width:400px}@keyframes rotate{0%{transform:translate(-50%,-50%) rotate(0deg)}to{transform:translate(-50%,-50%) rotate(1turn)}}.professor-photo{border:5px solid #ffffff4d;border-radius:50%;box-shadow:0 20px 60px #0000004d;height:280px;object-fit:cover;position:relative;transition:all .3s ease;width:280px;z-index:2}.professor-photo:hover{box-shadow:0 25px 80px #0006;transform:scale(1.05)}.image-badge{align-items:center;animation:pulse 2s ease-in-out infinite;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffffff2;border-radius:15px;bottom:20px;box-shadow:0 10px 30px #0003;display:flex;gap:.75rem;padding:1rem;position:absolute;right:20px;z-index:3}.badge-icon{color:gold;font-size:1.5rem}.badge-content{display:flex;flex-direction:column}.badge-content strong{color:#333;font-size:.9rem;margin-bottom:.2rem}.badge-content small{color:#666;font-size:.75rem}@media (max-width:768px){.header{padding:1rem 0}.header .container{padding:0 1rem}.hero-content{display:flex;flex-direction:column;gap:2rem;text-align:center}.hero-image{display:none}.hero-image-mobile{display:block}.hero-text{order:1}.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1rem}.hero-features{justify-content:center}.professor-photo{height:220px;width:220px}.circle-1{height:240px;width:240px}.circle-2{height:280px;width:280px}.circle-3{height:320px;width:320px}.shape{display:none}}@media (max-width:480px){.hero-title{font-size:2rem}.hero-badges{justify-content:center}.badge{font-size:.8rem;padding:.4rem .8rem}.professor-photo{height:180px;width:180px}.circle-1,.circle-2,.circle-3{display:none}.image-badge{bottom:10px;padding:.75rem;right:10px}}.benefits{background:var(--light-gray);padding:80px 0}.benefits-title{color:#2c3e50;font-size:2.5rem;font-weight:700;line-height:1.2;margin-bottom:60px;text-align:center}.benefits-grid{grid-gap:30px;display:grid;gap:30px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));margin:0 auto;max-width:1000px}.benefit-card{background:var(--white);border:1px solid var(--border-color);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-md);padding:40px 30px;text-align:center;transition:all var(--transition-normal)}.benefit-card:hover{box-shadow:0 10px 30px #00000026;transform:translateY(-5px)}.benefit-icon{color:var(--primary-color);display:block;font-size:3rem}.benefit-title{color:var(--dark-gray);font-size:var(--font-xl);font-weight:600;line-height:1.3;margin-bottom:15px}.benefit-description{color:var(--gray);font-size:var(--font-base);line-height:1.6;margin:0}@media (max-width:1024px){.benefits-grid{gap:25px;grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.benefits{padding:60px 0}.container{padding:0 var(--spacing-lg)}.benefits-title{font-size:2rem;margin-bottom:40px}.benefits-grid{gap:25px;grid-template-columns:1fr;margin:0 auto;max-width:400px}.benefit-card{align-items:center;display:flex;flex-direction:column;margin:0 auto;max-width:350px;padding:35px 25px;width:100%}.benefit-icon{font-size:20px;height:50px;margin-bottom:15px;width:50px}.benefit-title{font-size:var(--font-lg);margin-bottom:12px}.benefit-description{font-size:var(--font-sm)}}@media (max-width:480px){.benefits{padding:40px 0}.container{padding:0 var(--spacing-md)}.benefits-title{font-size:1.8rem;margin-bottom:30px}.benefits-grid{gap:20px;max-width:320px}.benefit-card{align-items:center;display:flex;flex-direction:column;max-width:300px;padding:30px 20px}.benefit-icon{font-size:18px;height:45px;margin-bottom:0;width:45px}.benefit-title{font-size:var(--font-base);margin-bottom:10px}.benefit-description{font-size:var(--font-xs);line-height:1.5}}.services{background:var(--white);padding:80px 0}.services-title{color:#2c3e50;font-size:2.5rem;font-weight:700;line-height:1.2;margin-bottom:60px;text-align:center}.services-grid{grid-gap:40px;display:grid;gap:40px;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));margin:0 auto;max-width:1100px}.service-card{background:var(--light-gray);border:2px solid #0000;border-radius:var(--border-radius-lg);display:flex;flex-direction:column;height:100%;padding:40px 30px;text-align:center;transition:all var(--transition-normal)}.service-card:hover{border-color:var(--primary-color);box-shadow:var(--shadow-xl);transform:translateY(-5px)}.service-number{align-items:center;background:var(--primary-gradient);border-radius:var(--border-radius-full);color:var(--color-text);display:flex;font-size:var(--font-2xl);font-weight:700;height:50px;justify-content:center;margin:0 auto 20px;width:50px}.service-title{color:var(--dark-gray);font-size:var(--font-xl);font-weight:600;margin-bottom:15px}.service-description{color:var(--gray);flex-grow:1;line-height:1.6;margin-bottom:20px}.service-features{list-style:none;margin:0 0 30px;padding:0;text-align:left}.service-feature{color:#495057;font-size:.95rem;margin-bottom:8px;padding-left:0}.service-cta{align-items:center;background:var(--primary-color);border:none;border-radius:var(--border-radius-full);color:var(--text-color);cursor:pointer;display:inline-flex;font-weight:600;gap:8px;margin-top:auto;padding:12px 25px;text-decoration:none;transition:all var(--transition-normal)}.service-cta:hover{background:var(--primary-dark);transform:translateY(-2px)}@media (max-width:1024px){.services-grid{gap:25px;grid-template-columns:repeat(2,1fr)}.service-card:last-child{grid-column:1/-1;margin:0 auto;max-width:400px}}@media (max-width:768px){.services{padding:60px 0}.container{padding:0 var(--spacing-lg)}.services-title{font-size:2rem;margin-bottom:40px}.services-grid{gap:25px;grid-template-columns:1fr;margin:0 auto;max-width:400px}.service-card{margin:0 auto;max-width:350px;min-height:auto;padding:35px 25px;width:100%}.service-card:last-child{grid-column:auto;max-width:none}.service-number{font-size:20px;height:50px;margin-bottom:15px;width:50px}.service-title{font-size:var(--font-lg);margin-bottom:12px}.service-description{font-size:var(--font-sm);margin-bottom:20px}.service-cta{font-size:var(--font-sm);padding:12px 24px}}@media (max-width:480px){.services{padding:40px 0}.container{padding:0 var(--spacing-md)}.services-title{font-size:1.8rem;margin-bottom:30px}.services-grid{gap:20px;max-width:320px}.service-card{max-width:300px;padding:30px 20px}.service-number{font-size:18px;height:45px;margin-bottom:12px;width:45px}.service-title{font-size:var(--font-base);margin-bottom:10px}.service-description{font-size:var(--font-xs);line-height:1.5;margin-bottom:18px}.service-cta{font-size:var(--font-xs);padding:10px 20px;width:100%}}.about{background:var(--light-gray);padding:80px 0}.about-title{color:#2c3e50;font-size:2.5rem;font-weight:700;line-height:1.2;margin-bottom:60px;text-align:center}.about-content{align-items:start;flex-direction:column;gap:60px;grid-template-columns:1fr 2fr;margin:0 auto;max-width:1100px}.about-content,.about-image{align-items:flex-end;display:flex}.about-image{gap:20px;text-align:center}.about-photo{border:4px solid #fff;border-radius:20px;box-shadow:0 10px 30px #0003;height:280px;object-fit:cover;width:280px}.professor-name{color:var(--dark-gray);font-size:var(--font-3xl);font-weight:700;margin-bottom:20px}.professor-description{color:var(--gray);font-size:var(--font-lg);line-height:1.7;margin-bottom:30px}.credentials{grid-gap:20px;display:grid;gap:20px;grid-template-columns:repeat(2,1fr);margin-bottom:40px}.credential-item{align-items:center;background:var(--white);border-left:4px solid var(--primary-color);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-sm);display:flex;padding:15px;transition:all var(--transition-normal)}.credential-item:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.credential-icon{flex-shrink:0;font-size:1.8rem;margin-right:15px;width:35px}.credential-text{color:#495057;font-size:.95rem;font-weight:600;line-height:1.4}.testimonials{margin-top:30px;text-align:center}.testimonials-title{color:#2c3e50;font-size:1.4rem;font-weight:700;margin-bottom:25px;position:relative;text-align:center}.testimonials-title:after{background:var(--primary-gradient);border-radius:2px;bottom:-8px;content:"";height:3px;left:50%;position:absolute;transform:translateX(-50%);width:60px}.testimonial{background:var(--white);border-left:5px solid var(--primary-color);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-md);margin-bottom:20px;padding:25px;position:relative;transition:all var(--transition-normal)}.testimonial:hover{box-shadow:var(--shadow-xl);transform:translateY(-3px)}.testimonial:before{color:var(--primary-color);content:'"';font-size:3rem;font-weight:700;left:20px;opacity:.3;position:absolute;top:-10px}.testimonial-text{color:var(--dark-gray);font-size:1rem;font-style:italic;line-height:1.7;margin-bottom:15px;padding-left:10px}.testimonial-author{color:var(--gray);font-size:var(--font-sm);font-weight:500}.professor-image{border:6px solid #fff3;border-radius:50%;box-shadow:0 10px 30px #0000004d;height:500px;object-fit:cover;width:500px}@media (max-width:1024px){.about-content{gap:40px}.about-photo{height:250px;width:250px}.professor-image{height:400px;width:400px}}@media (max-width:768px){.about{padding:60px 0}.container{padding:0 var(--spacing-lg)}.about-content{display:flex;flex-direction:column;gap:30px;margin:0 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