:root{--indigo-600: #4f46e5;--indigo-700: #4338ca;--gray-50: #f9fafb;--gray-300: #d1d5db;--gray-600: #4b5567;--gray-800: #1f2937;--white: #ffffff;--dark-bg: #1a202c;--pink-500: #ec4899}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Inter,sans-serif;background-color:var(--gray-50);color:var(--gray-800);line-height:1.6;display:flex;flex-direction:column;min-height:100vh}#root{display:flex;flex-direction:column;min-height:100vh}main{flex-grow:1;display:flex;flex-direction:column}a{text-decoration:none;color:inherit}img{max-width:100%;height:auto;display:block}.container{max-width:1200px;margin-left:auto;margin-right:auto;padding-left:1.5rem;padding-right:1.5rem}.section{padding:4rem 0}.section-title{font-size:2.25rem;font-weight:700;margin-bottom:.5rem;text-align:center}.section-subtitle{color:var(--gray-600);margin-bottom:1rem;max-width:42rem;margin-left:auto;margin-right:auto;text-align:center}.bg-white{background-color:var(--white)}.bg-gray-50{background-color:var(--gray-50)}.header{background-color:var(--white);box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;position:sticky;top:0;z-index:50}.navbar{display:flex;justify-content:space-between;align-items:center;padding:1rem 0}.logo{font-size:1.5rem;font-weight:700;color:var(--gray-800)}.logo span{color:var(--indigo-600)}.nav-links{display:none}.nav-link{color:var(--gray-600);transition:color .3s ease}.nav-link:hover{color:var(--indigo-600)}.nav-link.active{color:var(--indigo-600);font-weight:700}.mobile-menu-button{background:none;border:none;cursor:pointer}.mobile-menu{display:none;padding:.5rem 1.5rem 1rem}.mobile-menu.active{display:block}.mobile-menu a{display:block;padding:.5rem 0;color:var(--gray-600)}.hero{background-color:#111827;color:var(--white);text-align:center;padding:5rem 0}.hero h1{font-size:2.5rem;font-weight:700;line-height:1.2;margin-bottom:1rem}.hero p{font-size:1.125rem;color:var(--gray-300);margin-bottom:2rem;max-width:48rem;margin-left:auto;margin-right:auto}.hero-button{background-color:var(--indigo-600);color:var(--white);font-weight:700;padding:.75rem 2rem;border-radius:9999px;transition:background-color .3s ease;display:inline-block}.hero-button:hover{background-color:var(--indigo-700)}.features-grid{display:grid;gap:2rem;text-align:center;margin-top:3rem}.feature-card{padding:2rem}.feature-icon{background-color:#e0e7ff;color:var(--indigo-600);width:4rem;height:4rem;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem}.feature-icon svg{width:2rem;height:2rem}.feature-card h3{font-size:1.25rem;font-weight:700;margin-bottom:.5rem}.feature-card p{color:var(--gray-600)}.about-grid{display:grid;gap:3rem;align-items:center}.about-image img{border-radius:.5rem;box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;width:100%}.about-content h2{font-size:2.25rem;font-weight:700;margin-bottom:1rem}.about-content p{color:var(--gray-600);margin-bottom:1rem}section#services{flex-grow:1;display:flex;align-items:center}.services-grid{display:grid;gap:2rem;text-align:center}.service-card{background-color:var(--white);padding:2rem;border-radius:.5rem;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;transition:box-shadow .3s ease}.service-card:hover{box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d}.service-icon-wrapper{background-color:#e0e7ff;color:var(--indigo-600);width:4rem;height:4rem;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem}.service-card h3{font-size:1.25rem;font-weight:700;margin-bottom:.5rem}.service-card p{color:var(--gray-600)}.courses-grid{display:grid;gap:2rem}.course-card{background-color:var(--white);border-radius:.5rem;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;overflow:hidden;transition:transform .3s ease;position:relative}.course-card:hover{transform:translateY(-.5rem)}.course-card img{width:100%;height:12rem;object-fit:cover}.wishlist-btn{position:absolute;top:1rem;right:1rem;background-color:#fffc;border:none;border-radius:50%;width:2.5rem;height:2.5rem;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background-color .3s ease}.wishlist-btn:hover{background-color:var(--white)}.wishlist-btn svg{width:1.5rem;height:1.5rem;stroke:var(--gray-600);fill:transparent;transition:all .3s ease}.wishlist-btn:hover svg,.wishlist-btn.active svg{stroke:var(--pink-500);fill:var(--pink-500)}.course-content{padding:1.5rem}.course-content h3{font-size:1.25rem;font-weight:700;margin-bottom:.5rem}.course-content p{color:var(--gray-600);margin-bottom:1rem;min-height:50px}.course-meta{display:flex;justify-content:space-between;align-items:center;padding-top:1rem;border-top:1px solid #e5e7eb}.course-duration{font-size:.9rem;color:var(--gray-600)}.course-price{font-size:1.25rem;font-weight:700;color:var(--indigo-600)}.course-link{font-weight:600;color:var(--indigo-600);display:inline-block;margin-top:1rem}.course-link:hover{color:var(--indigo-700)}.contact-form{max-width:42rem;margin:0 auto}.form-grid{display:grid;gap:1.5rem;margin-bottom:1.5rem}.form-input,.form-textarea{width:100%;padding:.75rem;border-radius:.5rem;border:1px solid #d1d5db}.form-textarea{margin-bottom:1.5rem}.form-input:focus,.form-textarea:focus{outline:none;box-shadow:0 0 0 2px var(--indigo-600)}.contact-form button{background-color:var(--indigo-600);color:var(--white);font-weight:700;padding:.75rem 2rem;border-radius:9999px;transition:background-color .3s ease;border:none;cursor:pointer}.contact-form button:hover{background-color:var(--indigo-700)}.footer{background-color:var(--dark-bg);color:var(--white);padding:3rem 0;text-align:center}.footer-links{margin-top:1rem;display:flex;justify-content:center}.footer-links a{color:var(--gray-300);margin:0 .75rem}.footer-links a:hover{color:var(--white)}.error-container{max-width:600px;width:100%;margin-left:auto;margin-right:auto;padding:1rem;flex-grow:1;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center}.error-code{font-size:10rem;font-weight:900;line-height:1;color:var(--indigo-600);text-shadow:4px 4px 0px #e0e7ff}.error-title{font-size:2.25rem;font-weight:700;margin-top:1rem;margin-bottom:.5rem}.error-message{color:var(--gray-600);font-size:1.125rem;margin-bottom:2.5rem}.home-button{display:inline-block;background-color:var(--indigo-600);color:var(--white);font-weight:700;padding:.75rem 2rem;border-radius:9999px;text-decoration:none;transition:background-color .3s ease}.home-button:hover{background-color:var(--indigo-700)}@media (min-width: 768px){.section{padding:6rem 0}.nav-links{display:flex;gap:1.5rem}.mobile-menu-button,.mobile-menu{display:none}.hero{padding:8rem 0}.hero h1{font-size:3.75rem}.features-grid{grid-template-columns:repeat(3,1fr)}.about-grid{grid-template-columns:2fr 3fr}.about-content{text-align:left}.services-grid{grid-template-columns:repeat(3,1fr)}.courses-grid,.form-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width: 1024px){.courses-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width: 640px){.error-code{font-size:6rem}.error-title{font-size:1.75rem}.error-message{font-size:1rem}}