.course-title-main{font-size:3rem;font-weight:700;line-height:1.2;color:var(--accent-color);margin-bottom:1rem}.course-main-description{font-size:1.1rem;color:silver;line-height:1.6;max-width:75ch;margin-bottom:3rem}.tabs-container{display:flex;gap:1.5rem;border-bottom:1px solid #333;margin-bottom:2.5rem}.tab-button{background:none;border:none;color:#a0a0a0;padding:.8rem 0;font-size:1.1rem;font-weight:600;cursor:pointer;position:relative;transition:color .2s ease}.tab-button:hover{color:#fff}.tab-button.active{color:var(--accent-color)}.tab-button.active:after{content:"";position:absolute;bottom:-1px;left:0;right:0;height:3px;background-color:var(--accent-color)}.overview-syllabus-title{font-size:1.8rem;margin-bottom:1.5rem;color:#fff}.overview-syllabus-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem}.overview-module-card{background-color:#1c1c1f;border:1px solid #333;border-radius:8px;padding:1.5rem}.overview-module-card h4{font-size:1.1rem;margin:0 0 1rem;color:#fff;display:flex;align-items:center;gap:.75rem}.overview-module-card ul{list-style-type:"✓ ";padding-left:1.2rem;margin:0;color:silver}.overview-module-card li{margin-bottom:.5rem}.overview-module-card .module-icon{font-size:1.1rem;color:var(--accent-color)}.syllabus-accordion{display:flex;flex-direction:column;gap:1rem}.module-accordion-item{background-color:#1c1c1f;border:1px solid #333;border-radius:12px;overflow:hidden}.module-header{display:flex;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;cursor:pointer;transition:background-color .2s ease}.module-header:hover{background-color:#2a2a2e}.module-header h3{display:flex;align-items:center;gap:1rem;font-size:1.25rem;font-weight:600;color:#fff;margin:0}.module-icon{font-size:1.2rem;color:var(--accent-color)}.accordion-icon{font-size:1.2rem;transition:transform .3s ease;color:#a0a0a0}.accordion-icon.open{transform:rotate(180deg)}.module-content-detail{padding:0 1.5rem 1.5rem;background-color:#161618}.module-content-detail table{width:100%;border-collapse:collapse}.module-content-detail th,.module-content-detail td{border:none;padding:1rem;text-align:left}.module-content-detail thead{border-bottom:1px solid #333}.module-content-detail th{color:#a0a0a0;font-size:.8rem;text-transform:uppercase}.module-content-detail td{color:#ccc;border-bottom:1px solid #2a2a2e}.module-content-detail tbody tr:last-child td{border-bottom:none}.syllabus-mobile-list .difficulty-group{padding:1rem 0;border-bottom:1px solid #444}.syllabus-mobile-list .difficulty-group:last-child{border-bottom:none;padding-bottom:0}.syllabus-mobile-list .difficulty-title{font-size:.8rem;color:#eecbb0;font-weight:600;text-transform:uppercase;margin:0 0 1rem}.syllabus-mobile-list .topic-item{color:#ccc;margin:0;padding:.75rem 0;border-bottom:1px solid #2a2a2e;line-height:1.5}.syllabus-mobile-list .difficulty-group .topic-item:last-child{border-bottom:none;padding-bottom:0}.syllabus-mobile-list{display:none}.syllabus-desktop-table{display:block}.demo-content{background-color:#1c1c1f;padding:2rem;border-radius:12px;border:1px solid #333}.demo-content h3{margin-top:0;color:#fff}.demo-content p{color:#a0a0a0}.demo-video-placeholder{width:100%;aspect-ratio:16 / 9;background-color:#0d0d0d;border-radius:8px;overflow:hidden;margin-top:1.5rem}.notes-tab-content{padding-top:2rem}.notes-title{font-size:1.875rem;font-weight:700;color:var(--text-color)}.notes-description{margin-top:.5rem;color:var(--text-muted);max-width:65ch;margin-bottom:2.5rem}.notes-module-list{display:flex;flex-direction:column}.module-note-item{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 0;border-bottom:1px solid var(--border-color)}.module-note-item:first-child{border-top:1px solid var(--border-color)}.module-note-info{display:flex;align-items:center;gap:1rem}.module-icon{font-size:1.125rem}.module-title{font-size:1.125rem;font-weight:600;color:var(--text-color)}.btn-view-notes{display:inline-flex;align-items:center;gap:.5rem;background-color:#f97316;color:#fff;padding:.6rem 1.2rem;border-radius:8px;font-weight:600;font-size:.875rem;transition:background-color .2s;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a}.btn-view-notes:hover{background-color:#fb923c}.notes-locked-badge{background-color:var(--border-color);color:var(--text-muted);padding:.6rem 1.2rem;border-radius:8px;font-weight:600;font-size:.875rem;line-height:1.25rem}@media (max-width: 768px){.overview-syllabus-grid{grid-template-columns:1fr}.syllabus-mobile-list{display:block}.syllabus-desktop-table{display:none}}@media (max-width: 600px){.course-title-main{font-size:2.2rem}.tabs-container{gap:1rem}.tab-button{font-size:1rem;padding:.8rem 0}}.course-sidebar{position:sticky;top:6rem}.sidebar-card{background-color:#1c1c1f;border:1px solid #333;border-radius:12px;overflow:hidden}.sidebar-content{padding:1.5rem;display:flex;flex-direction:column;gap:1.5rem}.sidebar-title{font-size:1.25rem;line-height:1.4;margin:0}.sidebar-price-section{margin:0}.sidebar-free-badge{font-size:2.5rem;font-weight:700;color:#fff}.sidebar-current-price{font-size:2.2rem;font-weight:700;color:#fff}.sidebar-original-price{color:#a0a0a0;text-decoration:line-through;font-size:1rem}.sidebar-discount-badge{background-color:#22c55e;color:#fff;font-size:.85rem;padding:.2rem .35rem;border-radius:6px;margin-top:12px;display:inline-block;text-align:left}.enroll-button{width:100%;padding:1rem;border:none;border-radius:8px;background-color:var(--accent-color);color:#fff;font-size:1.1rem;font-weight:700;text-align:center;cursor:pointer;transition:all .2s ease;margin:0;text-decoration:none}.enroll-button:hover{background-color:var(--accent-color-hover);transform:translateY(-2px)}.course-features{margin:0}.course-features h4{font-size:1rem;margin:0 0 1rem}.course-features ul{list-style:none;padding:0;margin:0;color:silver}.course-features li{margin-bottom:.6rem}.prerequisites-section{border-top:1px solid rgba(255,255,255,.1);padding-top:1.25rem;margin-top:1.5rem}.prerequisites-section h4{font-size:1.1rem;color:#fff;margin-bottom:.75rem;font-weight:600}.prerequisites-section ul{list-style-type:"✓ ";padding-left:1.2rem;margin:0;color:#d1d1d1}.prerequisites-section li{padding-bottom:.5rem;font-size:.9rem;color:#d7d6d6}.enroll-button.enrolled{background-color:#059669;cursor:pointer}.enroll-button.enrolled:hover{background-color:#047857}@media (max-width: 992px){.course-sidebar{position:static;margin-top:0rem}}.course-detail-page-container[data-astro-cid-ysoztqn5]{padding-top:3rem;padding-bottom:4rem}.course-detail-layout[data-astro-cid-ysoztqn5]{display:grid;grid-template-columns:2.5fr 1fr;gap:4rem;align-items:flex-start}.chat-section[data-astro-cid-ysoztqn5]{margin-top:4rem;border-top:1px solid #333;padding-top:2rem}@media (max-width: 992px){.course-detail-layout[data-astro-cid-ysoztqn5]{grid-template-columns:1fr;gap:2rem}}