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#0003}.cta-btn-primary:hover{transform:translateY(-3px);box-shadow:0 15px 40px #0000004d}.cta-btn-secondary{display:inline-flex;align-items:center;padding:1.25rem 2.5rem;background:#ffffff1a;border:2px solid rgba(255,255,255,.3);color:#fff;font-size:1.125rem;font-weight:700;text-decoration:none;border-radius:12px;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.cta-btn-secondary:hover{background:#fff3;border-color:#ffffff80}.cta-note{color:#fffc;font-size:.95rem}@media(max-width:768px){.cta-container{padding:0 1rem}.cta-title{font-size:2.25rem}.cta-description{font-size:1.125rem}.cta-actions{flex-direction:column}.cta-btn-primary,.cta-btn-secondary{width:100%;justify-content:center}}.faq-section{padding:6rem 0;background:#0a0a14;width:100%;margin:0}.faq-container{max-width:1000px;margin:0 auto;padding:0 1rem}.faq-header{text-align:center;margin-bottom:4rem}.faq-grid{display:grid;gap:1.5rem}.faq-item{background:#ffffff05;border:1px solid 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UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;overflow-x:hidden;width:100%;min-height:100vh}.page-root{margin:0 auto;padding:1rem}.hero{padding:2.5rem 1rem;background:linear-gradient(180deg,rgba(100,108,255,.06),transparent);border-radius:12px;margin:1rem 0}.hero-inner{max-width:920px;margin:0 auto;text-align:center}.hero h1{margin:0 0 .5rem;font-size:2.4rem}.tag{color:#ffffffd9;margin:0 0 1rem}.actions{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap}.btn{text-decoration:none;display:inline-flex;align-items:center;gap:.5rem;padding:.6rem .9rem;border-radius:8px;background:transparent;color:inherit;border:1px solid rgba(255,255,255,.06)}.btn.primary{background:linear-gradient(90deg,#646cff,#7c6bff);color:#fff;border:none}.services{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin:1.25rem 0}.card{background:linear-gradient(180deg,#ffffff05,#ffffff03);padding:1rem;border-radius:10px}.card h3{margin:0 0 .5rem}.meta{color:#fff9;font-size:.9rem;margin:.5rem 0}.cta{display:inline-block;margin-top:.5rem;padding:.4rem .6rem;background:#06b6d4;color:#001;border-radius:6px;text-decoration:none;font-weight:600}.site-footer{text-align:center;margin:2rem 0 3rem;color:#fff9}.modern-footer{background:linear-gradient(180deg,#0a0a14,#050509);border-top:1px solid rgba(255,255,255,.05);padding:4rem 0 2rem;width:100%}.footer-content{max-width:1200px;margin:0 auto;padding:0 1rem;display:grid;grid-template-columns:1.5fr 3fr;gap:4rem;margin-bottom:3rem}.footer-brand{padding-right:2rem}.footer-logo{display:flex;align-items:center;gap:.75rem;margin-bottom:1rem}.footer-logo .logo-icon{position:relative;width:32px;height:32px}.footer-logo .logo-dot{position:absolute;width:12px;height:12px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:50%;top:50%;left:50%;transform:translate(-50%,-50%)}.footer-logo .logo-ring{position:absolute;width:28px;height:28px;border:2px solid;border-color:#667eea transparent #764ba2 transparent;border-radius:50%;top:50%;left:50%;transform:translate(-50%,-50%)}.footer-logo .brand-text{font-size:1.25rem;font-weight:700;color:#fff}.footer-logo .accent{background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.footer-tagline{color:#fff9;font-size:.95rem}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem}.footer-column h4{color:#fff;font-size:1rem;font-weight:600;margin-bottom:1rem}.footer-column a{display:block;color:#fff9;text-decoration:none;font-size:.9rem;margin-bottom:.75rem;transition:color .2s ease}.footer-column a:hover{color:#667eea}.footer-bottom{max-width:1400px;margin:0 auto;padding-top:2rem;border-top:1px solid rgba(255,255,255,.05);display:flex;justify-content:space-between;align-items:center}.footer-bottom p{color:#ffffff80;font-size:.875rem}.footer-socials{display:flex;gap:1rem}.footer-socials a{width:36px;height:36px;background:#ffffff0d;border:1px solid rgba(255,255,255,.05);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#ffffffb3;text-decoration:none;transition:all .2s ease}.footer-socials a:hover{background:#667eea1a;border-color:#667eea4d;color:#667eea;transform:translateY(-2px)}@media(max-width:900px){.hero h1{font-size:1.9rem}.services{grid-template-columns:1fr}}@media(max-width:480px){.actions{flex-direction:column}.btn{width:100%;justify-content:center}}@media(max-width:1024px){.footer-content{grid-template-columns:1fr;gap:3rem;padding:0 1rem}.footer-links{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.modern-footer{padding:3rem 0 1.5rem}.footer-content{padding:0 1rem}.footer-links{grid-template-columns:1fr;gap:2rem}.footer-bottom{flex-direction:column;gap:1.5rem;text-align:center;padding:0 1rem}}.course-header{padding:6rem 0 4rem;background:linear-gradient(135deg,#0a0a14,#1a1a2e);width:100%;margin:0}.header-container{max-width:1200px;margin:0 auto;padding:0 1rem;display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}.course-badge{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:#8b5cf61a;border:1px solid rgba(139,92,246,.2);border-radius:50px;color:#a78bfa;font-size:.875rem;font-weight:500;margin-bottom:1.5rem}.badge-dot{width:8px;height:8px;background:#8b5cf6;border-radius:50%;animation:pulse 2s ease-in-out infinite}.course-title{font-size:3.5rem;font-weight:800;line-height:1.1;color:#fff;margin-bottom:1.5rem;letter-spacing:-.02em}.course-description{font-size:1.25rem;line-height:1.6;color:#ffffffb3;margin-bottom:2.5rem;max-width:480px}.course-stats{display:flex;gap:2rem}.stat{text-align:center}.stat-number{display:block;font-size:2rem;font-weight:700;background:linear-gradient(135deg,#8b5cf6,#06b6d4);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:.25rem}.stat-label{font-size:.875rem;color:#fff9;text-transform:uppercase;letter-spacing:.05em}.header-visual{display:flex;justify-content:center;align-items:center}.visual-card{position:relative;background:#ffffff05;border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:3rem 2rem;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:0 20px 60px #0006;width:100%}.waveform{display:flex;align-items:end;gap:4px;height:120px;margin-bottom:2rem}.wave-bar{width:6px;background:linear-gradient(180deg,#8b5cf6,#06b6d4);border-radius:3px;animation:wave 1.5s ease-in-out infinite}.wave-bar:nth-child(1){animation-delay:0s}.wave-bar:nth-child(2){animation-delay:.1s}.wave-bar:nth-child(3){animation-delay:.2s}.wave-bar:nth-child(4){animation-delay:.3s}.wave-bar:nth-child(5){animation-delay:.4s}.wave-bar:nth-child(6){animation-delay:.5s}.wave-bar:nth-child(7){animation-delay:.6s}.wave-bar:nth-child(8){animation-delay:.7s}.wave-bar:nth-child(9){animation-delay:.8s}.wave-bar:nth-child(10){animation-delay:.9s}@keyframes wave{0%{height:20%}50%{height:100%}to{height:20%}}.play-overlay{display:flex;justify-content:center}.big-play-btn{width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,#8b5cf6,#06b6d4);border:none;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.5rem;transition:all .3s ease;box-shadow:0 10px 30px #8b5cf64d}.big-play-btn:hover{transform:scale(1.05);box-shadow:0 15px 40px #8b5cf666}@keyframes wave{0%,to{transform:scaleY(1)}50%{transform:scaleY(.3)}}@media(max-width:1024px){.header-container{grid-template-columns:1fr;gap:3rem}.course-title{font-size:2.75rem}}@media(max-width:640px){.course-header{padding:4rem 0 3rem}.header-container{padding:0 1rem}.course-title{font-size:2.25rem}.course-description{font-size:1rem}.course-stats{gap:1.5rem}.stat-number{font-size:1.5rem}}.filter-bar{padding:3rem 0;background:#0a0a14;border-bottom:1px solid rgba(255,255,255,.05);width:100%;margin:0}.filter-container{max-width:1200px;margin:0 auto;padding:0 1rem}.search-section{margin-bottom:2rem}.search-box{position:relative;max-width:400px;margin:0 auto}.search-box svg{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:#ffffff80}.search-box input{width:100%;padding:1rem 1rem 1rem 3rem;background:#ffffff0d;border:1px solid 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.5rem;border-radius:12px;font-size:.75rem;font-weight:600}.filter-tag.active .count{background:#ffffff40}.sort-section{display:flex;align-items:center;justify-content:center;gap:1rem}.sort-label{font-size:1rem;font-weight:500;color:#fffc}.sort-select{padding:.75rem 1rem;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:8px;color:#fff;font-size:.95rem;font-weight:500;cursor:pointer;transition:all .3s ease;min-width:160px}.sort-select:focus{outline:none;border-color:#8b5cf6;background:#ffffff14;box-shadow:0 0 0 3px #8b5cf61a}.sort-select option{background:#1a1a2e;color:#fff;padding:.5rem}@media(max-width:768px){.filter-container{padding:0 1rem}.search-box{max-width:100%}.filter-tags{justify-content:flex-start;overflow-x:auto;padding-bottom:.5rem}.filter-tag{flex-shrink:0}.sort-section{flex-direction:column;align-items:stretch;gap:.5rem}.sort-select{width:100%}}@media(max-width:640px){.filter-bar{padding:2rem 0}.topic-filters{margin-bottom:1.5rem}.filter-title{text-align:left;margin-bottom:.75rem}}.audio-grid-section{padding:4rem 0 6rem;background:#0a0a14;width:100%;margin:0}.grid-container{max-width:1200px;margin:0 auto;padding:0 1rem}.section-header{text-align:center;margin-bottom:3rem}.section-header h2{font-size:2.5rem;font-weight:800;color:#fff;margin-bottom:.5rem;letter-spacing:-.02em}.section-header p{font-size:1.125rem;color:#fff9}.audio-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:2rem;margin-bottom:3rem}.audio-card{background:#ffffff05;border:1px solid rgba(255,255,255,.05);border-radius:16px;overflow:hidden;transition:all .4s cubic-bezier(.4,0,.2,1);cursor:pointer}.audio-card:hover{transform:translateY(-8px);background:#ffffff0a;border-color:#8b5cf64d;box-shadow:0 20px 40px #8b5cf633}.card-thumbnail{position:relative;aspect-ratio:16/9;overflow:hidden}.card-thumbnail img{width:100%;height:100%;object-fit:cover;transition:transform .4s 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.75rem;border-radius:12px;font-size:.875rem;font-weight:500;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.card-content{padding:1.5rem}.card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;margin-bottom:1rem}.lesson-title{font-size:1.25rem;font-weight:700;color:#fff;line-height:1.3;margin:0;flex:1;text-align:left}.audio-grid-section .card-header .level-badge{padding:.12rem .25rem;border-radius:12px;font-size:10px;font-weight:300;color:#000;text-transform:uppercase;letter-spacing:.05em;flex-shrink:0}.lesson-description{color:#ffffffb3;font-size:.95rem;line-height:1.5;margin-bottom:1.5rem;text-align:left}.card-footer{display:flex;align-items:center;justify-content:space-between}.topic-tag{padding:.5rem 1rem;background:#8b5cf61a;border:1px solid rgba(139,92,246,.2);border-radius:20px;color:#a78bfa;font-size:.875rem;font-weight:500;text-transform:capitalize}.lesson-actions{display:flex;gap:.5rem}.action-btn{width:30px;height:30px;border-radius:8px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);color:#fff9;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s ease}.action-btn svg{width:28px!important;height:28px!important}.action-btn:hover{background:#ffffff1a;border-color:#8b5cf64d;color:#a78bfa;transform:translateY(-2px)}.load-more{text-align:center;margin-top:2rem}.load-more-btn{display:inline-flex;align-items:center;gap:.5rem;padding:1rem 2rem;background:linear-gradient(135deg,#8b5cf6,#06b6d4);border:none;border-radius:12px;color:#fff;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 8px 25px #8b5cf64d}.load-more-btn:hover{transform:translateY(-3px);box-shadow:0 12px 35px #8b5cf666}@media(max-width:768px){.audio-grid{grid-template-columns:1fr;gap:1.5rem}.section-header h2{font-size:2rem}.card-content{padding:1.25rem}.card-header{flex-direction:column;align-items:flex-start;gap:.75rem}.lesson-title{font-size:1.125rem}.card-footer{flex-direction:column;align-items:flex-start;gap:1rem}}@media(max-width:640px){.audio-grid-section{padding:3rem 0 4rem}.grid-container{padding:0 1rem}.section-header{margin-bottom:2rem}.section-header h2{font-size:1.75rem}.play-btn{width:50px;height:50px}.load-more-btn{width:100%;justify-content:center}}.audio-card.loading{pointer-events:none}.audio-card.loading .card-thumbnail img{filter:blur(2px)}.audio-card.loading .play-btn{animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.audio-player{position:fixed;bottom:0;left:0;right:0;height:90px;background:#0f0f1ef2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-top:1px solid 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span:nth-child(1){animation-delay:0s}.play-indicator.playing span:nth-child(2){animation-delay:.2s}.play-indicator.playing span:nth-child(3){animation-delay:.4s}@keyframes wave{0%,to{height:8px}50%{height:16px}}.track-info{min-width:0;flex:1}.track-title{color:#fff;font-size:.95rem;font-weight:600;margin:0 0 .25rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.track-meta{color:#fff9;font-size:.8rem;margin:0}.player-center{display:flex;flex-direction:column;align-items:center;gap:.75rem}.player-controls{display:flex;align-items:center;gap:1rem}.control-btn{width:60px;height:60px;border-radius:50%;background:transparent;border:none;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s ease}.play-btn-main{width:60px;height:60px;border-radius:50%;background:#fff;border:none;color:#8b5cf6;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s ease;box-shadow:0 4px 15px #ffffff4d}.play-btn-main:hover{transform:scale(1.1)}.progress-section{display:flex;align-items:center;gap:1rem;width:100%;max-width:500px}.time-current,.time-duration{color:#fff;font-size:.8rem;font-weight:500;min-width:35px}.progress-bar{flex:1;height:20px;cursor:pointer;display:flex;align-items:center}.progress-track{position:relative;width:100%;height:4px;background:#ffffff4d;border-radius:2px}.progress-fill{height:100%;background:#fff;border-radius:2px;transition:width .1s ease}.progress-thumb{position:absolute;top:50%;transform:translate(-50%,-50%);width:12px;height:12px;background:#fff;border-radius:50%;opacity:0;transition:opacity .3s ease;box-shadow:0 2px 6px #0000004d}.progress-bar:hover .progress-thumb{opacity:1}.player-right{display:flex;align-items:center;justify-content:flex-end;gap:.5rem}.player-right .control-btn{color:#fff}.volume-control{position:relative;display:flex;align-items:center}.volume-slider{position:absolute;bottom:100%;left:50%;transform:translate(-50%);background:#0f0f1ef2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:1rem .5rem;margin-bottom:.5rem;opacity:0;visibility:hidden;transition:all .3s ease}.volume-slider.show{opacity:1;visibility:visible}.volume-input{width:80px;height:4px;background:#ffffff4d;border-radius:2px;outline:none;transform:rotate(-90deg);cursor:pointer}.volume-input::-webkit-slider-thumb{appearance:none;width:12px;height:12px;background:#fff;border-radius:50%;cursor:pointer}.close-btn{color:#fff}.close-btn:hover{color:#ef4444}.audio-fullscreen-overlay{position:fixed;inset:0;background:#000000f2;z-index:1000;display:flex;align-items:center;justify-content:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);animation:fadeIn .4s ease}.fullscreen-content{width:100%;max-width:1200px;padding:2rem;display:flex;flex-direction:column;align-items:center;gap:3rem}.fullscreen-close{position:absolute;top:2rem;right:2rem;width:50px;height:50px;border-radius:50%;background:#ffffff1a;border:none;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s ease}.fullscreen-close:hover{background:#fff3;transform:scale(1.1)}.fullscreen-visual{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;width:100%}.fullscreen-thumbnail{position:relative;aspect-ratio:16/9;border-radius:20px;overflow:hidden;box-shadow:0 20px 60px #00000080}.fullscreen-thumbnail 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