:root{--primary-color:#f28482;--secondary-color:#3d405b;--bg-light:#fffbf5;--white:#fff;--text-dark:#3d405b;--text-muted:#666;--font-family:"Inter", sans-serif}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-family);background-color:var(--white);color:var(--text-dark);line-height:1.6;overflow-x:hidden}section{padding:100px 0}.container{max-width:1200px;margin:0 auto;padding:0 20px}h1,h2,h3,h4{font-weight:800;line-height:1.2}span{color:var(--primary-color)}.btn{cursor:pointer;text-align:center;border:none;border-radius:50px;padding:16px 36px;font-weight:700;text-decoration:none;transition:all .3s;display:inline-block}.btn-primary{background-color:var(--primary-color);color:#fff;box-shadow:0 4px 15px #f284824d}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 8px 25px #f2848266}.btn-outline{color:var(--secondary-color);background:#fff;border:2px solid #e5e7eb;justify-content:center;align-items:center;gap:10px;display:inline-flex;box-shadow:0 2px 5px #0000000d}.btn-outline:hover{border-color:var(--secondary-color);transform:translateY(-2px);box-shadow:0 5px 15px #0000001a}.reveal{opacity:0;transition:all .8s ease-out;transform:translateY(30px)}.reveal.visible{opacity:1;transform:translateY(0)}.header-spacer{height:80px}.live-hero{background-color:var(--bg-light);padding:120px 0 80px;overflow:hidden}.hero-grid{grid-template-columns:1fr 1fr;align-items:center;gap:60px;display:grid}.hero-content h1{color:var(--secondary-color);margin-bottom:25px;font-size:clamp(2.5rem,5vw,3.8rem)}.hero-content p{color:var(--text-muted);max-width:500px;margin-bottom:35px;font-size:1.15rem}.meeting-mockup{background:#202124;border-radius:16px;max-width:500px;margin:0 auto;padding:15px;position:relative;overflow:hidden;box-shadow:0 20px 50px #0003}.meeting-grid{grid-template-columns:1fr 1fr;gap:10px;margin-bottom:15px;display:grid}.participant{color:#888;background:#3c4043;border-radius:8px;justify-content:center;align-items:center;height:100px;display:flex;position:relative}.participant.active{border:2px solid var(--primary-color);background:url(https://via.placeholder.com/200/3d405b/ffffff?text=Teacher) 50%/cover}.mic-status{color:#fff;background:#00000080;border-radius:50%;padding:4px;font-size:.7rem;position:absolute;bottom:8px;left:8px}.controls-bar{border-top:1px solid #3c4043;justify-content:center;gap:15px;padding-top:10px;display:flex}.control-btn{color:#fff;cursor:pointer;background:#3c4043;border-radius:50%;place-items:center;width:40px;height:40px;display:grid}.control-btn.end{background:#ea4335;border-radius:30px;width:60px}.integration-bubble{z-index:100;background:#fff;border-radius:50px;align-items:center;gap:10px;padding:10px 20px;font-size:.9rem;font-weight:700;animation:6s ease-in-out infinite float;display:flex;position:absolute;box-shadow:0 10px 20px #0000001a}.zoom-bubble{color:#2d8cff;top:30px;right:-12px}.meet-bubble{color:#00897b;bottom:80px;left:-3px}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-15px)}}.comparison-section{background:#fff}.comp-grid{grid-template-columns:1fr 1fr;gap:30px;margin-top:40px;display:grid}.comp-card{border:1px solid #eee;border-radius:12px;padding:30px}.comp-bad{background:#fff5f5;border-color:#fcc}.comp-good{background:#f6ffed;border-color:#b7eb8f}.features-grid{grid-template-columns:repeat(3,1fr);gap:30px;margin-top:60px;display:grid}.feat-card{background:#fff;border:1px solid #eee;border-radius:16px;padding:30px;transition:all .3s}.feat-card:hover{border-color:var(--primary-color);transform:translateY(-5px)}.feat-icon{color:var(--primary-color);margin-bottom:20px;font-size:2rem}.feat-card h3{color:var(--secondary-color);margin-bottom:10px}.feat-card p{color:var(--text-muted);font-size:.95rem}.flow-section{background:var(--bg-light);text-align:center}.flow-container{flex-wrap:wrap;justify-content:center;align-items:center;gap:30px;margin-top:60px;display:flex}.flow-step{background:#fff;border:1px solid #eee;border-radius:15px;width:180px;padding:20px;position:relative}.flow-icon{background:var(--bg-light);width:60px;height:60px;color:var(--secondary-color);border-radius:50%;place-items:center;margin:0 auto 15px;font-size:1.5rem;display:grid}.flow-arrow{color:#ddd;font-size:1.5rem}.student-view-box{background:#fff;border:1px solid #eee;border-radius:20px;max-width:400px;margin:0 auto;padding:20px;box-shadow:0 15px 40px #0000001a}.live-indicator{color:#e74c3c;background:#ffebeb;border-radius:10px;align-items:center;gap:10px;margin-bottom:15px;padding:10px 15px;font-weight:700;display:flex}.pulse-dot{background:#e74c3c;border-radius:50%;width:10px;height:10px;animation:1.5s infinite pulse}@keyframes pulse{0%{box-shadow:0 0 #e74c3c66}70%{box-shadow:0 0 0 10px #e74c3c00}to{box-shadow:0 0 #e74c3c00}}.attendance-mockup{background:#fff;border:1px solid #eee;border-radius:12px;margin-top:40px;overflow:hidden;box-shadow:0 10px 30px #0000000d}.att-row{border-bottom:1px solid #f9f9f9;grid-template-columns:2fr 1fr 1fr;align-items:center;padding:15px 20px;display:grid}.att-head{color:#888;text-transform:uppercase;background:#f8f9fa;font-size:.85rem;font-weight:700}.status-p{color:#27ae60;background:#e8f8f5;border-radius:20px;padding:4px 10px;font-size:.8rem;font-weight:700;display:inline-block}.status-a{color:#c0392b;background:#fdedec;border-radius:20px;padding:4px 10px;font-size:.8rem;font-weight:700;display:inline-block}.faq-grid{grid-template-columns:1fr 1fr;gap:30px;margin-top:40px;display:grid}.faq-item{background:#f8f9fa;border-radius:15px;padding:25px}.faq-item h4{color:var(--secondary-color);margin-bottom:10px}@media (width<=992px){section{padding:60px 0}.hero-grid,.comp-grid,.faq-grid{text-align:center;grid-template-columns:1fr;gap:40px}.features-grid{grid-template-columns:1fr}.flow-container{flex-direction:column}.flow-arrow{margin:10px 0;transform:rotate(90deg)}.integration-bubble{display:none}.student-view-box{margin-top:30px}.btn{width:100%;margin-bottom:10px}}.platform-section{text-align:center;background:#fff}.platform-grid{flex-wrap:wrap;justify-content:center;gap:30px;margin-top:50px;display:flex}.plat-card{background:#fff;border:1px solid #eee;border-radius:16px;flex-direction:column;align-items:center;gap:15px;width:160px;padding:25px 15px;transition:all .3s;display:flex;box-shadow:0 5px 15px #00000008}.plat-card:hover{border-color:var(--primary-color);transform:translateY(-5px);box-shadow:0 10px 25px #00000014}.plat-icon{font-size:2.5rem}.custom-link-box{background:var(--bg-light);border:2px dashed #ccc}.mode-section{border-bottom:1px solid #f0f0f0;padding:100px 0}.mode-grid{grid-template-columns:1fr 1fr;align-items:center;gap:80px;display:grid}.sub-label{color:var(--primary-color);letter-spacing:1.5px;text-transform:uppercase;margin-bottom:15px;font-size:.8rem;font-weight:800;display:block}.mode-content h3{color:var(--secondary-color);margin-bottom:20px;font-size:2.5rem;line-height:1.1}.mode-list{flex-direction:column;gap:20px;margin-top:30px;display:flex}.mode-list li{background:#fff;border:1px solid #0000;border-radius:12px;align-items:center;gap:15px;padding:15px;transition:all .3s;display:flex;box-shadow:0 5px 20px #00000008}.mode-list li:hover{border-color:#eee;transform:translate(10px)}.check-icon{color:#047857;background:#e6fffa;border-radius:50%;flex-shrink:0;place-items:center;width:35px;height:35px;font-size:.9rem;display:grid}.group-mockup{background:#202124;border-radius:20px;padding:15px;position:relative;box-shadow:0 30px 60px #0003}.live-badge-small{color:#fff;background:#ea4335;border-radius:4px;align-items:center;gap:5px;padding:2px 8px;font-size:.7rem;font-weight:700;display:inline-flex}.teacher-screen{background:#3c4043;border-radius:8px;justify-content:center;align-items:center;height:140px;margin-bottom:10px;display:flex;position:relative;overflow:hidden}.student-grid{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.student-tile{background:#3c4043;border-radius:6px;height:60px;position:relative}.student-tile.hand-raised{border:2px solid #fbbc04}.hand-icon{color:#202124;background:#fbbc04;border-radius:50%;place-items:center;width:20px;height:20px;font-size:.7rem;display:grid;position:absolute;top:-5px;right:-5px}.private-card{text-align:center;background:#fff;border:1px solid #f0f0f0;border-radius:24px;padding:40px;position:relative;box-shadow:0 20px 50px #00000014}.avatar-stack{justify-content:center;margin-bottom:25px;display:flex}.avatar-circle{border:4px solid #fff;border-radius:50%;width:80px;height:80px;box-shadow:0 10px 20px #0000001a}.avatar-1{z-index:1;background:#ddd url(https://i.pravatar.cc/150?img=3) 50%/cover}.avatar-2{z-index:2;background:#3d405b url(https://i.pravatar.cc/150?img=5) 50%/cover;margin-left:-20px}.secure-badge{color:#4b5563;background:#f3f4f6;border-radius:50px;align-items:center;gap:8px;margin-bottom:20px;padding:6px 16px;font-size:.85rem;font-weight:600;display:inline-flex}.time-slot{color:#be185d;background:#fdf2f8;border:1px dashed #fbcfe8;border-radius:8px;margin:15px 0;padding:10px;font-weight:700}@media (width<=992px){.mode-grid{grid-template-columns:1fr;gap:40px}.mode-visual{order:-1}}