:root{--bg-dark:#050508;--primary:#4f46e5;--primary-glow:rgba(79,70,229,.6);--secondary:#06b6d4;--accent:#e879f9;--text-main:#f8fafc;--text-muted:#94a3b8;--glass-bg:hsla(0,0%,100%,.03);--glass-border:hsla(0,0%,100%,.08);--glass-shadow:0 8px 32px 0 rgba(0,0,0,.3)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,sans-serif;background-color:var(--bg-dark);color:var(--text-main);overflow-x:hidden;line-height:1.6}.logo,h1,h2,h3,h4{font-family:Outfit,sans-serif}#bg-canvas{position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:-1;pointer-events:none}.gradient-text{background:linear-gradient(to right,var(--secondary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.badge{display:inline-block;padding:.5rem 1rem;background:rgba(79,70,229,.15);border:1px solid rgba(79,70,229,.3);border-radius:50px;color:var(--secondary);font-size:.875rem;margin-bottom:1.5rem;letter-spacing:1px;text-transform:uppercase}.badge,.btn{font-weight:600}.btn{padding:.875rem 1.75rem;border-radius:8px;font-family:Inter,sans-serif;cursor:pointer;transition:all .3s ease;border:none;display:inline-flex;align-items:center;gap:.5rem;font-size:1rem}.btn.primary{background:var(--primary);color:#fff}.btn.primary:hover{background:#4338ca;transform:translateY(-2px)}.btn.primary.glowing{box-shadow:0 0 20px var(--primary-glow)}.btn.primary.glowing:hover{box-shadow:0 0 30px var(--primary-glow)}.btn.secondary{background:hsla(0,0%,100%,.05);border:1px solid var(--glass-border);color:#fff}.btn.secondary:hover{background:hsla(0,0%,100%,.1);transform:translateY(-2px)}.btn.lg{padding:1rem 2.5rem;font-size:1.125rem}.glass-panel{background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);box-shadow:var(--glass-shadow);border-radius:16px}.navbar{position:fixed;top:0;left:0;width:100%;padding:1.25rem 5%;justify-content:space-between;z-index:100;background:rgba(5,5,8,.7);backdrop-filter:blur(16px);border-bottom:1px solid var(--glass-border);transition:all .3s ease}.logo,.navbar{display:flex;align-items:center}.logo{font-size:1.5rem;font-weight:800;gap:.5rem;color:#fff}.logo i{color:var(--primary)}.nav-links{display:flex;gap:2rem}.nav-links a{color:var(--text-main);text-decoration:none;font-size:.95rem;font-weight:500;transition:color .3s ease;opacity:.8}.nav-links a.active,.nav-links a:hover{color:var(--accent);opacity:1}.nav-actions{display:flex;align-items:center;gap:1rem}.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer}.hamburger span{width:25px;height:2px;background:#fff;transition:.3s}.mobile-menu{position:fixed;top:0;left:0;width:100%;height:100vh;background:rgba(5,5,8,.95);backdrop-filter:blur(20px);z-index:99;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:2rem;transform:translateY(-100%);transition:transform .4s ease}.mobile-menu.active{transform:translateY(0)}.mobile-menu a{font-size:1.5rem;color:#fff;text-decoration:none;font-weight:600;font-family:Outfit}section{position:relative;padding:8rem 5%;min-height:100vh;display:flex;align-items:center;z-index:10}.hero{padding-top:12rem;align-items:flex-start}.hero-content{flex:1;max-width:600px}.hero h1{font-size:clamp(3rem,5vw,5rem);line-height:1.1;margin-bottom:1.5rem}.hero p{font-size:1.125rem;color:var(--text-muted);margin-bottom:2.5rem;max-width:500px}.hero-visuals{flex:1;position:relative;height:600px;width:100%;perspective:1000px}.floating-panel{position:absolute;background:rgba(15,15,20,.6);backdrop-filter:blur(20px);border:1px solid hsla(0,0%,100%,.1);border-radius:16px;padding:1rem;box-shadow:0 20px 40px rgba(0,0,0,.4);transform-style:preserve-3d}.panel-header{display:flex;align-items:center;gap:.5rem;font-size:.8rem;color:var(--text-muted);margin-bottom:1rem;padding-bottom:.5rem;border-bottom:1px solid hsla(0,0%,100%,.05)}.dots span{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:4px}.dots span:first-child{background:#ef4444}.dots span:nth-child(2){background:#eab308}.dots span:nth-child(3){background:#22c55e}.video-panel{top:50px;right:50px;width:400px;z-index:3;transform:rotateY(-15deg) rotateX(5deg)}.video-mock{height:200px;background:linear-gradient(45deg,#1e1b4b,#312e81);border-radius:8px;position:relative;overflow:hidden}.play-icon,.video-mock{display:flex;align-items:center;justify-content:center}.play-icon{font-size:3rem;color:hsla(0,0%,100%,.8);background:rgba(0,0,0,.3);width:80px;height:80px;border-radius:50%;backdrop-filter:blur(4px)}.progress-bar{position:absolute;bottom:0;left:0;width:100%;height:4px;background:hsla(0,0%,100%,.2)}.progress-bar div{width:45%;height:100%;background:var(--primary)}.whiteboard-panel{top:200px;right:250px;width:300px;z-index:2;transform:rotateY(10deg) rotateX(-5deg) translateZ(-50px)}.whiteboard-panel .mock-img{width:100%;border-radius:8px;opacity:.8}.quiz-panel{bottom:50px;right:100px;width:250px;z-index:4;transform:rotateY(-20deg) rotate(5deg) translateZ(50px);background:rgba(30,27,75,.7);border:1px solid var(--primary)}.quiz-panel h4{margin-bottom:.5rem;color:var(--accent)}.quiz-panel p{font-size:.85rem;margin-bottom:1rem;color:#cbd5e1}.quiz-btn{width:100%;padding:.5rem;margin-bottom:.5rem;background:hsla(0,0%,100%,.05);border:1px solid hsla(0,0%,100%,.1);border-radius:4px;color:#fff;cursor:pointer;transition:.2s}.quiz-btn:hover{background:var(--primary);border-color:var(--primary)}.features{flex-direction:column;justify-content:center}.section-header{text-align:center;margin-bottom:4rem;max-width:700px;margin-inline:auto}.section-header h2{font-size:clamp(2.5rem,4vw,3.5rem);margin-bottom:1rem}.section-header p{font-size:1.125rem;color:var(--text-muted)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;width:100%}.feature-card{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:20px;padding:2.5rem 2rem;transition:transform .3s,background .3s,border-color .3s;backdrop-filter:blur(10px)}.feature-card:hover{transform:translateY(-10px);background:hsla(0,0%,100%,.05);border-color:hsla(0,0%,100%,.2)}.icon-wrapper{width:60px;height:60px;border-radius:12px;background:rgba(79,70,229,.1);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:1.5rem}.feature-card:nth-child(2) .icon-wrapper{color:var(--secondary);background:rgba(6,182,212,.1)}.feature-card:nth-child(3) .icon-wrapper{color:var(--accent);background:rgba(232,121,249,.1)}.feature-card h3{margin-bottom:1rem;font-size:1.25rem}.feature-card p{color:var(--text-muted);font-size:.95rem}.classroom-container{display:flex;align-items:center;gap:4rem;width:100%}.classroom-info{flex:1}.classroom-info h2{font-size:clamp(2.5rem,4vw,3.5rem);margin-bottom:1.5rem}.classroom-info p{color:var(--text-muted);font-size:1.125rem;margin-bottom:2rem}.feature-list{list-style:none}.feature-list li{margin-bottom:1rem;display:flex;align-items:center;gap:1rem;font-size:1.1rem}.feature-list i{color:var(--secondary);background:rgba(6,182,212,.1);padding:.5rem;border-radius:50%;font-size:.9rem}.classroom-visual{flex:1.5;perspective:1200px}.glass-dashboard{background:rgba(20,20,25,.5);backdrop-filter:blur(25px);border:1px solid hsla(0,0%,100%,.1);border-radius:24px;padding:1.5rem;display:flex;gap:1.5rem;height:500px;box-shadow:0 30px 60px rgba(0,0,0,.5);transform:rotateY(-10deg) rotateX(5deg);transition:transform .5s}.glass-dashboard:hover{transform:rotateY(-5deg) rotateX(2deg)}.dash-sidebar{width:60px;display:flex;flex-direction:column;gap:1rem;align-items:center}.avatar{border-radius:50%;background:linear-gradient(45deg,var(--primary),var(--accent))}.avatar,.nav-item{width:40px;height:40px}.nav-item{border-radius:12px;background:hsla(0,0%,100%,.05)}.nav-item.active{background:var(--primary)}.dash-main{flex:1;display:flex;flex-direction:column;gap:1rem}.dash-video{flex:2;background:linear-gradient(135deg,#1e293b,#0f172a);border-radius:16px;border:1px solid hsla(0,0%,100%,.05)}.dash-widgets{flex:1;display:flex;gap:1rem}.widget{flex:1;background:hsla(0,0%,100%,.03);border-radius:16px;border:1px solid hsla(0,0%,100%,.05)}.cta-section{min-height:60vh;display:flex;justify-content:center;align-items:center;text-align:center}.cta-content{padding:5rem 3rem;max-width:800px}.cta-content h2{font-size:clamp(2rem,3vw,3rem);margin-bottom:1rem}.cta-content p{color:var(--text-muted);font-size:1.125rem;margin-bottom:2.5rem}footer{border-top:1px solid var(--glass-border);padding:4rem 5% 2rem;background:rgba(0,0,0,.5);position:relative;z-index:10}.footer-content{display:flex;justify-content:space-between;flex-wrap:wrap;gap:3rem;margin-bottom:3rem}.footer-brand{max-width:300px}.footer-brand p{color:var(--text-muted);margin-top:1rem;font-size:.95rem}.footer-links{display:flex;gap:4rem;flex-wrap:wrap}.link-group h4{margin-bottom:1.5rem;font-size:1.1rem}.link-group a{display:block;color:var(--text-muted);text-decoration:none;margin-bottom:.8rem;transition:color .3s}.link-group a:hover{color:var(--primary)}.footer-bottom{text-align:center;padding-top:2rem;border-top:1px solid var(--glass-border);color:var(--text-muted);font-size:.9rem}@media (max-width:992px){.hero{flex-direction:column;padding-top:8rem}.hero-visuals{height:500px;margin-top:4rem}.video-panel{right:auto;left:10%;width:80%;top:0}.whiteboard-panel{right:5%;bottom:0;top:auto;width:60%}.quiz-panel{left:5%;bottom:50px}.classroom-container{flex-direction:column}}@media (max-width:768px){.nav-actions .btn,.nav-links{display:none}.hamburger{display:flex}.hero h1{font-size:2.5rem}}