.navbar{background-color:#fff;padding:1rem 2rem;position:sticky;border-bottom:1px solid rgb(224,222,222);height:auto;top:0;left:0;z-index:1100}.navbar-container{align-items:center;display:flex;justify-content:space-between}.logo{height:45px;width:auto;max-width:100%;object-fit:contain;transition:transform .3s ease,opacity .3s ease;cursor:pointer}.logo:hover{transform:scale(1.05);opacity:.9}@media (max-width: 768px){.logo{height:38px}}@media (max-width: 480px){.logo{height:32px}}.navbar-logo h1 a{color:#1e2a38;font-size:1.6rem;text-decoration:none;font-weight:700}.navbar-menu{list-style:none;display:flex;gap:2rem}.navbar-menu li{padding:.5rem 1rem;cursor:pointer;transition:all .15s ease;border-radius:4px;-webkit-user-select:none;user-select:none}.navbar-menu li a:hover{color:#f39c12}.navbar-menu li.active{background-color:#f39c12;color:#fff;font-weight:700;transform:scale(1.05)}.navbar-toggle{display:none}.navbar-menu a{color:#1e2a38;font-weight:550;text-decoration:none}@media (max-width: 768px){.navbar{padding:0%;border-radius:0;margin:0}.navbar-container{flex-direction:column;align-items:flex-start}.navbar-menu{overflow-x:auto;gap:1.2rem;width:100%;background-color:#000;white-space:nowrap;scrollbar-width:none;-ms-overflow-style:none}.navbar-logo{margin:10px}.navbar-menu li a{color:#fff;font-size:.8rem}.navbar-menu.active{display:flex}.navbar-toggle{position:sticky;left:0;z-index:1200;display:block;border:none;color:#fff;font-size:1.1rem;background-color:#000;cursor:pointer}.navbar-toggle{display:block}}.footer{background-color:#2c3e50;color:#ecf0f1;padding:2rem 1rem;margin-top:5px;font-family:Segoe UI,sans-serif}.footer-content{display:flex;flex-wrap:wrap;justify-content:space-between;gap:2rem}.footer-section{flex:1;min-width:200px}.footer-section h2{font-size:1.5rem}.footer-section .highlight{color:#f39c12}.footer-section ul{list-style:none;padding:0}.footer-section ul li a{color:#ecf0f1;text-decoration:none}.footer-section ul li a:hover{color:#f39c12}.socials a{margin-right:1rem;color:#ecf0f1;font-size:1.5rem;transition:color .3s}.socials a:hover{color:#f39c12}.footer-bottom{text-align:center;margin-top:2rem;border-top:1px solid #34495E;padding-top:1rem}.home-container{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background-color:#fff;min-height:100vh}.hero-section{display:flex;align-items:center;justify-content:space-between;max-width:1200px;margin:0 auto;padding:5rem 2rem;gap:3rem}.hero-content{flex:1;max-width:600px}.badge{display:inline-block;background-color:#e0f2fe;color:#f39c12;padding:6px 12px;border-radius:20px;font-size:.85rem;font-weight:600;margin-bottom:1.5rem}.hero-title{font-size:3.5rem;font-weight:800;color:#0f172a;line-height:1.2;margin-bottom:1.5rem}.highlight-text{color:#f39c12}.hero-subtitle{font-size:1.15rem;color:#64748b;line-height:1.6;margin-bottom:2.5rem}.hero-buttons{display:flex;gap:1rem}.btn-primary{background-color:#f39c12;color:#fff;padding:12px 28px;border-radius:8px;text-decoration:none;font-weight:600;font-size:1.05rem;transition:all .3s ease;box-shadow:0 4px 14px #2563eb63}.btn-primary:hover{transform:translateY(-2px)}.btn-secondary{background-color:#fff;color:#0f172a;padding:12px 28px;border-radius:8px;text-decoration:none;font-weight:600;font-size:1.05rem;border:1px solid #cbd5e1;transition:all .3s ease}.btn-secondary:hover{background-color:#f1f5f9;border-color:#94a3b8}.hero-image-wrapper{flex:1;position:relative;display:flex;justify-content:center}.floating-img{width:100%;max-width:500px;height:auto;border-radius:16px;position:relative;z-index:2;animation:float 6s ease-in-out infinite}.img-glow{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:80%;height:80%;background:radial-gradient(circle,#2563eb33,#fff0 70%);z-index:1;filter:blur(40px)}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-15px)}to{transform:translateY(0)}}.features-strip{display:flex;justify-content:center;gap:3rem;background-color:#fff;padding:2.5rem 2rem;border-top:1px solid #e2e8f0;border-bottom:1px solid #e2e8f0}.feature-item{text-align:center}.feature-item h3{font-size:1.1rem;color:#0f172a;margin-bottom:.5rem}.feature-item p{font-size:.9rem;color:#64748b;margin:0}.courses-section{max-width:1200px;margin:0 auto;padding:5rem 2rem}.section-header{text-align:center;margin-bottom:3.5rem}.section-header h2{font-size:2.5rem;color:#0f172a;margin-bottom:1rem}.section-header p{color:#64748b;font-size:1.1rem}.course-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}.card-link{text-decoration:none}.subject-card{background-color:#fff;border-left:5px solid;border-radius:12px;padding:1.5rem;display:flex;align-items:center;gap:1.25rem;box-shadow:0 4px 6px -1px #0000000d,0 2px 4px -1px #00000008;transition:all .3s ease;position:relative;overflow:hidden}.subject-card:hover{transform:translateY(-5px);box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.card-icon{width:50px;height:50px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:800}.card-content h3{margin:0 0 .25rem;font-size:1.25rem;font-weight:700}.card-content p{margin:0;color:#64748b;font-size:.9rem;line-height:1.4}.card-arrow{margin-left:auto;font-size:1.2rem;opacity:0;transform:translate(-10px);transition:all .3s ease}.subject-card:hover .card-arrow{opacity:1;transform:translate(0)}@media (max-width: 968px){.hero-section{flex-direction:column;text-align:center;padding:3rem 1.5rem}.hero-title{font-size:2.5rem}.hero-buttons{justify-content:center}.features-strip{flex-direction:column;gap:1.5rem}}.playground-container{margin-top:3rem;background-color:#0f172a;border-radius:.75rem;overflow:hidden;box-shadow:0 10px 15px -3px #0003;border:1px solid #334155;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}.playground-header{background-color:#1e293b;padding:1rem 1.5rem;border-bottom:1px solid #334155}.playground-header h3{color:#fff;font-weight:700;font-size:1.125rem;margin:0 0 .25rem}.playground-header p{color:#94a3b8;font-size:.875rem;margin:0}.playground-tabs{display:flex;flex-wrap:wrap;background-color:#0f172a;border-bottom:1px solid #1e293b}.playground-tab{padding:.75rem 1rem;font-size:.875rem;font-weight:500;cursor:pointer;border:none;background:transparent;color:#94a3b8;border-bottom:2px solid transparent;transition:all .2s ease}.playground-tab:hover{color:#fff;background-color:#1e293b80}.playground-tab.active{color:#fff;border-bottom-color:#3b82f6;background-color:#1e293b80}.playground-code-area{padding:1.5rem;position:relative;background-color:#0f172a}.playground-run-btn{position:absolute;top:1rem;right:1rem;z-index:10;background-color:#059669;color:#fff;border:none;padding:.4rem .8rem;border-radius:.25rem;display:flex;align-items:center;gap:.5rem;font-size:.875rem;font-weight:600;cursor:pointer;box-shadow:0 4px 6px -1px #0003;transition:background-color .2s ease}.playground-run-btn:hover{background-color:#047857}.playground-run-btn:disabled{background-color:#334155;cursor:not-allowed}.playground-run-btn svg{width:14px;height:14px;fill:currentColor}.playground-output{background-color:#000;padding:1.5rem;border-top:1px solid #1e293b;min-height:100px}.playground-output-header{display:flex;align-items:center;color:#64748b;margin-bottom:.5rem;font-family:monospace;font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;gap:.5rem}.playground-output-header svg{width:14px;height:14px}.playground-output-text{font-family:monospace;font-size:.9rem;color:#cbd5e1;white-space:pre-wrap;display:flex;align-items:center}.playground-output-text.has-run{color:#e2e8f0}.blinking-cursor{color:#10b981;margin-left:4px;animation:blink 1s step-end infinite}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.note-container{padding:1rem;font-family:Segoe UI,sans-serif}.note-title{font-size:2rem;font-weight:700;color:#2c3e50;margin-bottom:1rem}.note-heading{font-size:1.5rem;color:#1e3a8a;margin:2rem 0 1rem}.note-subheading{font-size:1.2rem;color:#3b82f6;margin:1rem 0 .5rem}.note-text{font-size:1rem;margin:.5rem 0}.highlight{background-color:#fff3cd;color:#000;padding:2px 6px;border-radius:4px;font-weight:500}.inline-code{background-color:#f4f4f4;color:#d63384;padding:2px 5px;border-radius:4px;font-family:monospace}.note-example-title{font-weight:700;margin-top:.5rem}.note-section{margin-top:2rem}.content-block{background-color:#fff;box-shadow:0 2px 5px #00000014;border-radius:8px;padding:1rem;margin-bottom:1.5rem}.note-table-container{overflow-x:auto;margin:1.5rem 0 2.5rem}.note-table{width:100%;border-collapse:collapse;text-align:left;background-color:#fff}.note-table th,.note-table td{border:1px solid #94a3b8;padding:12px 16px;color:#000;font-size:.95rem}.note-table th{background-color:#f1f5f9;font-weight:700}.note-table tr:nth-child(2n){background-color:#fafafa}.responsive-image{max-width:100%;height:auto;display:block;margin:1.5rem auto;border-radius:8px}.sidebar{width:220px;height:calc(100vh - 76px);background-color:#f6f9fc;padding:1rem 0;overflow-y:auto;position:sticky;top:79px;z-index:10;border-right:1px solid #e1e8ed}.sidebar-title{font-size:1rem;border-bottom:1px solid #ddd;text-align:center;padding:10px;margin-bottom:.5rem;color:#333}.sidebar-links{list-style:none;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-weight:500;padding:0;margin:0}.sidebar-li{cursor:pointer;transition:all .2s ease-in-out;display:flex}.sidebar-link-item{text-decoration:none;color:#444;font-size:.9rem;font-family:Inter,sans-serif;font-weight:500;padding:.6rem 1.2rem;width:100%;display:block}.sidebar-li:hover{background-color:#f1c173}.sidebar-li:hover .sidebar-link-item{color:#fff}.sidebar-li.active{background-color:#f39c12}.sidebar-li.active .sidebar-link-item{color:#fff;font-weight:700}@media (max-width: 768px){.sidebar{position:fixed;top:100px;left:0;width:230px;height:calc(100vh - 76px);background-color:#fff;transform:translate(-100%);transition:transform .3s ease-in-out;z-index:2000;box-shadow:4px 0 12px #00000026;padding-top:10px}.sidebar.open{transform:translate(0)}.sidebar-title{margin-top:0}}.overlay{position:fixed;top:80px;left:0;width:100%;height:calc(100vh - 80px);background:#0006;z-index:1500}.rightbar{width:100%;font-size:50px}.rightbar h1{text-align:center}.course-page-container{display:flex;width:100%;min-height:90vh;background-color:#f9f9f9}.layout-sidebar{width:200px;flex-shrink:0;background-color:#fff;border-right:1px solid #ddd;height:calc(100vh - 60px);overflow-y:auto;position:sticky;top:60px}.layout-content{flex:1;padding:10px 20px;background-color:#fff;overflow-y:auto;max-width:1000px}.layout-rightbar{width:200px;flex-shrink:0;background-color:#f8f9fa;border-left:1px solid #ddd;padding:15px;display:block}@media screen and (max-width: 768px){.course-page-container{flex-direction:column}.layout-sidebar,.layout-rightbar{width:100%;height:auto;position:relative;border:none}.layout-rightbar{display:none}.layout-content{padding:15px}}.legal-container{padding:40px 20px;background-color:#f8f9fa;min-height:100vh;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.8;color:#333}.legal-content{max-width:900px;margin:0 auto;background:#fff;padding:40px;border-radius:12px;box-shadow:0 4px 15px #0000000d}.legal-content h1{text-align:center;color:#2c3e50;font-size:2.5rem;margin-bottom:10px;font-weight:700;border-bottom:2px solid #eee;padding-bottom:15px}.legal-content h2{color:#2980b9;font-size:1.8rem;margin-top:35px;margin-bottom:15px}.legal-content h3{color:#34495e;font-size:1.4rem;margin-bottom:10px}.legal-content p{margin-bottom:15px;font-size:1.05rem;color:#444}.last-updated{text-align:center;color:#7f8c8d;font-size:.9rem;margin-bottom:30px}.legal-content ul{padding-left:20px;margin-bottom:20px}.legal-content ul li{margin-bottom:8px;list-style-type:disc}.legal-content a{color:#007bff;text-decoration:none;font-weight:600}.legal-content a:hover{text-decoration:underline}.mission-box{background-color:#f0f7ff;padding:25px;border-radius:8px;border-left:5px solid #007bff;margin:30px 0}.mission-box h3{margin-top:0;color:#007bff}.highlight-text{font-weight:700;color:#2c3e50}.contact-cta{margin-top:40px;border-top:1px solid #ddd;padding-top:20px}@media (max-width: 600px){.legal-content{padding:20px}.legal-content h1{font-size:1.8rem}}.contact-header{text-align:center;margin-bottom:40px}.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-bottom:40px}.contact-card{background:#f8f9fa;padding:25px;border-radius:10px;text-align:center;border:1px solid #eee;transition:transform .3s ease,box-shadow .3s ease}.contact-card:hover{transform:translateY(-5px);box-shadow:0 5px 15px #0000001a;border-color:#007bff}.icon-box{font-size:2rem;color:#007bff;margin-bottom:15px}.contact-card h3{font-size:1.2rem;margin-bottom:10px;color:#2c3e50}.contact-card p,.contact-card a{font-size:.95rem;color:#555;margin:0;display:block}.social-section{text-align:center;margin-top:40px;padding-top:30px;border-top:1px solid #eee}.social-icons{display:flex;justify-content:center;gap:20px;margin-top:20px}.social-link{font-size:1.8rem;color:#555;transition:color .3s ease}.social-link:hover{color:#007bff}.social-link.linkedin:hover{color:#0077b5}.social-link.github:hover{color:#333}.social-link.youtube:hover{color:red}.app-container{display:flex;flex-direction:column;min-height:100vh}.main-content-wrapper{flex:1;display:flex;flex-direction:column;width:100%}@media (max-width: 768px){.main-content-wrapper{padding:0}}@tailwind base;@tailwind components;@tailwind utilities;*{margin:0;padding:0;box-sizing:border-box}body{font-family:Arial,sans-serif;height:100%}