.navbar{background-color:#fff;padding:1rem 2rem;border-radius:30px;box-shadow:3px 4px 6px -1px #0006;position:sticky;border:1px solid rgb(224,222,222);height:auto;margin:8px;top:0;left:0;z-index:1100}.navbar-container{align-items:center;display:flex;justify-content:space-between}.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{text-align:center}.home-container{padding:40px 20px;text-align:center}.hero-image img{width:100%;height:auto;border-radius:12px}.hero-title{font-size:3rem;color:#2c3e50;margin-bottom:10px}.hero-subtitle{font-size:1.2rem;color:#555;margin-bottom:40px}.course-grid{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}.card-link{text-decoration:none}.subject-card{width:150px;height:100px;display:flex;align-items:center;justify-content:center;border-radius:10px;font-size:1.5rem;font-weight:700;box-shadow:0 4px 6px #0000001a;transition:transform .2s ease,box-shadow .2s ease}.subject-card:hover{transform:translateY(-6px);box-shadow:0 8px 14px #00000026}@media (max-width: 768px){.hero-title{font-size:2rem}.hero-subtitle{font-size:1rem}.subject-card{width:130px;height:90px}}.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}.note-code{background-color:#eceff4;padding:1rem;border-left:4px solid #3b82f6;font-family:monospace;white-space:pre-wrap;overflow-x:auto;margin-bottom:1rem}.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}.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:100px;left:0;width:100%;height:calc(100vh - 100px);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;border-bottom:1px solid #ddd}.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}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Arial,sans-serif;height:100%}