: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:80px 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}.reveal{opacity:0;transition:all .8s ease-out;transform:translateY(30px)}.reveal.visible{opacity:1;transform:translateY(0)}.app-hero{background-color:var(--bg-light);margin-top:0;padding-top:140px;padding-bottom:80px}.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(2.2rem,5vw,3.8rem)}.hero-content p{color:var(--text-muted);margin-bottom:20px;font-size:1.1rem}.store-badges{flex-wrap:wrap;gap:15px;margin-top:30px;display:flex}.store-btn{color:#fff;background:#000;border-radius:10px;align-items:center;gap:10px;min-width:160px;padding:10px 20px;text-decoration:none;transition:all .3s;display:flex}.store-btn:hover{transform:translateY(-2px);box-shadow:0 5px 15px #0003}.phone-wrapper{perspective:1000px;justify-content:center;display:flex}.phone-3d{width:280px;height:560px;transform-style:preserve-3d;background:#111;border:8px solid #222;border-radius:40px;animation:6s ease-in-out infinite float-rotate;position:relative;box-shadow:-20px 20px 50px #0000004d}.phone-screen{background:#fff;border-radius:32px;width:100%;height:100%;position:relative;overflow:hidden}.app-header{background:var(--secondary-color);color:#fff;height:160px;padding:30px 20px}.course-card{background:#fff;border-radius:12px;margin:10px 15px;padding:15px;box-shadow:0 2px 8px #0000000d}.skeleton-line{background:#eee;border-radius:4px;height:8px;margin:8px 0}@keyframes float-rotate{0%,to{transform:rotateY(-10deg)rotateX(5deg)translateY(0)}50%{transform:rotateY(10deg)rotateX(-5deg)translateY(-20px)}}#customization{background:#fff;padding:80px 0}.section-title{text-align:center;margin-bottom:60px}.section-title h2{margin-bottom:15px;font-size:clamp(2rem,5vw,2.8rem)}.section-title p{color:var(--text-muted);max-width:700px;margin:0 auto;font-size:1.1rem}.comparison-grid{grid-template-columns:1fr 1fr;gap:30px;max-width:900px;margin:0 auto;display:grid}.comp-card{text-align:center;border-radius:20px;flex-direction:column;align-items:center;padding:40px 30px;transition:all .3s;display:flex}.comp-card h4{margin-bottom:30px;font-size:1.3rem;font-weight:700}.phone-mockup-flat{background:#fff;border:8px solid #e0e0e0;border-radius:30px;flex-direction:column;width:220px;height:420px;transition:all .3s;display:flex;position:relative;overflow:hidden;box-shadow:0 15px 40px #00000014}.phone-mockup-flat.active{border-color:var(--primary-color);box-shadow:0 20px 50px #f2848240}.mockup-banner{color:#fff;border-radius:10px;place-items:center;height:70px;margin:15px;font-size:.8rem;font-weight:600;display:grid}.mockup-banner.fixed{background:#999}.mockup-banner.dynamic{background:var(--primary-color)}.circle-icon{border-radius:50%;width:35px;height:35px}.mockup-block{color:var(--secondary-color);background:#f8f9fa;border:2px dashed #ccc;border-radius:12px;margin:15px;padding:20px 10px;font-size:.8rem;font-weight:700}.mockup-status{text-align:center;width:100%;font-size:.9rem;font-weight:700;position:absolute;bottom:20px}.mockup-status.bad{color:#e76f51}.mockup-status.good{color:#2ecc71}.faq-container{max-width:800px;margin:0 auto}.faq-item-dropdown{background:#fff;border:1px solid #eee;border-radius:15px;margin-bottom:15px;transition:all .3s;overflow:hidden}.faq-header{cursor:pointer;background:#fff;justify-content:space-between;align-items:center;padding:25px;transition:all .2s;display:flex}.faq-header h4{color:var(--secondary-color);margin:0;font-size:1.1rem}.faq-header i{color:var(--primary-color);transition:transform .3s}.faq-body{background:#fffbf5;max-height:0;padding:0 25px;transition:max-height .3s ease-out,padding .3s;overflow:hidden}.faq-body p{color:#666;margin:0;font-size:.95rem;line-height:1.6}.faq-item-dropdown.active .faq-header i{transform:rotate(180deg)}.faq-item-dropdown.active .faq-body{border-top:1px solid #eee;max-height:300px;padding:20px 25px}.feature-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px;margin-top:60px;display:grid}.app-feat-card{background:var(--white);text-align:center;border:1px solid #f0f0f0;border-radius:20px;padding:40px 30px;transition:all .3s}.app-feat-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px #0000000d}.mockup-flat{text-align:center;background:#f8f9fa;border-radius:30px;padding:40px;position:relative}.split-container{grid-template-columns:1fr 1fr;align-items:center;gap:60px;display:grid}.timeline-wrapper{justify-content:space-between;gap:30px;max-width:1000px;margin:0 auto;display:flex;position:relative}.timeline-line{z-index:1;background:#f0f0f0;border-radius:10px;height:4px;position:absolute;top:40px;left:50px;right:50px}.timeline-step{z-index:2;text-align:center;background:#fff;flex:1;padding:0 10px;position:relative}.step-circle{width:80px;height:80px;color:var(--primary-color);background:#fff;border:2px solid #f0f0f0;border-radius:50%;place-items:center;margin:0 auto 25px;font-size:1.8rem;transition:all .3s;display:grid;position:relative;box-shadow:0 10px 25px #0000000d}.step-number-badge{background:var(--secondary-color);color:#fff;border:3px solid #fff;border-radius:50%;place-items:center;width:30px;height:30px;font-size:.9rem;font-weight:700;display:grid;position:absolute;top:-5px;right:-5px}.timeline-step h3{color:var(--secondary-color);margin-bottom:10px;font-size:1.3rem}.timeline-step p{color:#666;font-size:.95rem;line-height:1.5}.timeline-step:hover .step-circle{border-color:var(--primary-color);background:#fff0f0;transform:translateY(-5px)}footer{background:var(--secondary-color);color:#fff;text-align:center;padding:60px 0 30px}@media (width<=992px){.hero-grid,.split-container{grid-template-columns:1fr;gap:40px}.app-hero{padding-top:120px}.phone-3d{width:260px;height:500px;margin:0 auto}.hero-content{text-align:center}.store-badges{justify-content:center}.feature-grid{grid-template-columns:1fr}}@media (width<=768px){section{padding:60px 0}.section-title{margin-bottom:40px}.section-title h2{font-size:1.8rem}.section-title p{font-size:1rem}.comparison-grid{grid-template-columns:1fr 1fr;gap:15px}.comp-card{padding:25px 15px}.comp-card h4{margin-bottom:20px;font-size:1rem}.phone-mockup-flat{border-width:6px;width:160px;height:320px}.mockup-banner{height:50px;margin:10px;font-size:.65rem}.circle-icon{width:25px;height:25px}.mockup-block{margin:10px;padding:15px 8px;font-size:.7rem}.mockup-status{font-size:.75rem;bottom:15px}.timeline-wrapper{flex-direction:column;gap:50px}.timeline-line{width:4px;height:100%;top:0;left:50%;transform:translate(-50%)}}@media (width<=400px){.phone-mockup-flat{width:140px;height:280px}.mockup-banner{height:40px;margin:8px;font-size:.6rem}.circle-icon{width:20px;height:20px}.mockup-block{margin:8px;padding:12px 6px;font-size:.65rem}.mockup-status{font-size:.7rem}.comp-card h4{font-size:.9rem}}