@import "https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap";:root{--bg-color:#0f172a;--bg-secondary:#1e293b;--bg-tertiary:#334155;--text-primary:#f8fafc;--text-secondary:#94a3b8;--accent-primary:#6366f1;--accent-secondary:#8b5cf6;--accent-gradient:linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));--danger:#ef4444;--success:#22c55e;--border-radius-sm:8px;--border-radius-md:12px;--border-radius-lg:20px;--transition:all .3s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);min-height:100vh;font-family:Outfit,sans-serif;line-height:1.6;overflow-x:hidden}a{color:inherit;text-decoration:none}button{cursor:pointer;background:0 0;border:none;font-family:inherit}.glass{-webkit-backdrop-filter:blur(12px);background:#1e293bb3;border:1px solid #ffffff1a}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1.5rem}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-4{gap:1rem}.gap-8{gap:2rem}.grid{display:grid}.btn{border-radius:var(--border-radius-sm);transition:var(--transition);justify-content:center;align-items:center;padding:.75rem 1.5rem;font-weight:500;display:inline-flex}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:0 4px 14px #6366f163}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #6366f180}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary);border:1px solid #ffffff1a}.btn-secondary:hover{background:var(--bg-tertiary)}.gradient-text{background:var(--accent-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:.6s ease-out forwards fadeIn}.navbar{z-index:100;border-bottom:1px solid #ffffff0d;width:100%;position:fixed;top:0;left:0}.navbar-content{height:80px}.brand{font-size:1.5rem;font-weight:700}.brand-icon{border-radius:var(--border-radius-sm);width:40px;height:40px;color:var(--accent-primary);background:#6366f11a;justify-content:center;align-items:center;display:flex}.nav-link{color:var(--text-secondary);transition:var(--transition);font-weight:500}.nav-link:hover{color:var(--text-primary)}.hero{align-items:center;min-height:100vh;padding-top:80px;display:flex;position:relative;overflow:hidden}.hero-background{z-index:-1;width:100%;height:100%;position:absolute;top:0;left:0}.blob{filter:blur(100px);opacity:.5;border-radius:50%;animation:10s ease-in-out infinite float;position:absolute}.blob-1{background:var(--accent-primary);width:500px;height:500px;animation-delay:0s;top:10%;left:-10%}.blob-2{background:var(--accent-secondary);width:600px;height:600px;animation-delay:-5s;bottom:-20%;right:-10%}@keyframes float{0%{transform:translate(0)scale(1)}33%{transform:translate(30px,-50px)scale(1.1)}66%{transform:translate(-20px,20px)scale(.9)}to{transform:translate(0)scale(1)}}.hero-content{text-align:center;z-index:1;max-width:800px}.hero-title{letter-spacing:-.02em;margin-bottom:1.5rem;font-size:clamp(2.5rem,5vw,4.5rem);font-weight:700;line-height:1.1}.hero-subtitle{color:var(--text-secondary);max-width:600px;margin-bottom:2.5rem;font-size:1.125rem}.hero-cta{justify-content:center;gap:1rem;display:flex}.btn-lg{padding:1rem 2rem;font-size:1.125rem}@media (width<=640px){.hero-cta{flex-direction:column;width:100%}.btn-lg{width:100%}}.course-card{border-radius:var(--border-radius-lg);transition:var(--transition);flex-direction:column;height:100%;display:flex;overflow:hidden}.course-card:hover{transform:translateY(-8px);box-shadow:0 20px 40px #0006}.course-thumbnail{width:100%;padding-top:56.25%;position:relative;overflow:hidden}.course-thumbnail img{object-fit:cover;width:100%;height:100%;transition:transform .5s;position:absolute;top:0;left:0}.course-card:hover .course-thumbnail img{transform:scale(1.05)}.course-overlay{opacity:0;width:100%;height:100%;transition:var(--transition);background:#0f172a80;justify-content:center;align-items:center;display:flex;position:absolute;top:0;left:0}.course-card:hover .course-overlay{opacity:1}.play-icon{color:#fff;filter:drop-shadow(0 4px 6px #0000004d);transition:transform .3s cubic-bezier(.175,.885,.32,1.275);transform:scale(.8)}.course-card:hover .play-icon{transform:scale(1)}.course-content{flex-direction:column;flex-grow:1;padding:1.5rem;display:flex}.course-title{color:var(--text-primary);margin-bottom:.5rem;font-size:1.25rem;font-weight:600}.course-description{color:var(--text-secondary);flex-grow:1;margin-bottom:1.5rem;font-size:.9rem}.course-meta{align-items:center;gap:1rem;margin-bottom:1rem;display:flex}.course-videos-count{color:var(--accent-primary);background:#6366f11a;border-radius:20px;padding:4px 10px;font-size:.85rem;font-weight:500}.w-full{width:100%}.mt-4{margin-top:1rem}.courses-section{background-color:var(--bg-color);padding:6rem 0}.section-header{margin-bottom:4rem}.text-center{text-align:center}.section-title{color:var(--text-primary);margin-bottom:1rem;font-size:2.5rem;font-weight:700}.section-subtitle{color:var(--text-secondary);max-width:600px;margin:0 auto;font-size:1.125rem}.courses-grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:2rem;display:grid}.course-page{min-height:100vh;padding-top:100px;padding-bottom:4rem}.back-btn{color:var(--text-secondary);margin-bottom:2rem;font-size:1rem}.back-btn:hover{color:var(--text-primary)}.course-layout{grid-template-columns:2fr 1fr;align-items:start;gap:2rem}@media (width<=992px){.course-layout{grid-template-columns:1fr}}.course-page-title{margin-bottom:1.5rem;font-size:2rem;font-weight:700}.video-player-wrapper{border-radius:var(--border-radius-md);width:100%;padding-top:56.25%;position:relative;overflow:hidden}.video-player{width:100%;height:100%;position:absolute;top:0;left:0}.video-placeholder{background:var(--bg-tertiary);width:100%;height:100%;color:var(--text-secondary);position:absolute;top:0;left:0}.video-info{border-radius:var(--border-radius-md);padding:1.5rem}.video-title{margin-bottom:.5rem;font-size:1.5rem;font-weight:600}.video-desc{color:var(--text-secondary)}.playlist{border-radius:var(--border-radius-md);padding:1.5rem;position:sticky;top:100px}.playlist-title{margin-bottom:.25rem;font-size:1.25rem;font-weight:600}.playlist-subtitle{color:var(--text-secondary);margin-bottom:1.5rem;font-size:.9rem}.playlist-items{flex-direction:column;gap:.5rem;list-style:none;display:flex}.playlist-item{border-radius:var(--border-radius-sm);cursor:pointer;transition:var(--transition);background:#ffffff05;align-items:flex-start;gap:1rem;padding:1rem;display:flex}.playlist-item:hover{background:#ffffff0d}.playlist-item.active{background:#6366f126;border:1px solid #6366f14d}.item-icon{color:var(--text-secondary);margin-top:2px}.playlist-item.active .item-icon{color:var(--accent-primary)}.item-details{flex-direction:column;gap:.25rem;display:flex}.item-title{color:var(--text-primary);font-size:.95rem;font-weight:500}.playlist-item.active .item-title{color:var(--accent-primary)}.item-duration{color:var(--text-secondary);font-size:.8rem}.app{width:100%;min-height:100vh}