@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap";:root{--bg-main:#060913;--bg-card:#10172aa6;--bg-card-hover:#16203bd9;--border-color:#ffffff14;--border-hover:#d977064d;--text-main:#f8fafc;--text-muted:#94a3b8;--text-dark:#475569;--primary:#d97706;--primary-hover:#f59e0b;--primary-glow:#d9770659;--primary-light:#d977061f;--secondary:#2563eb;--secondary-hover:#3b82f6;--success:#10b981;--error:#ef4444;--font-heading:"Outfit", sans-serif;--font-body:"Inter", sans-serif;--header-height:76px;--max-width:1240px;--radius-sm:8px;--radius-md:16px;--radius-lg:28px;--transition:all .35s cubic-bezier(.25, .8, .25, 1);--shadow-sm:0 4px 12px #0000004d;--shadow-md:0 12px 36px #00000073;--shadow-lg:0 24px 64px #0009;--shadow-glow:0 0 30px #d9770626}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body);background-color:var(--bg-main);color:var(--text-main);-webkit-font-smoothing:antialiased;background-image:radial-gradient(circle at 5vw 15vh,#d977060a 0%,#0000 45%),radial-gradient(circle at 85vw 85vh,#2563eb08 0%,#0000 45%);background-attachment:fixed;line-height:1.6;overflow-x:hidden}a{color:inherit;transition:var(--transition);text-decoration:none}button,input,select{font-family:inherit;font-size:inherit;color:inherit;background:0 0;border:none;outline:none}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-main)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-dark)}.container{max-width:var(--max-width);width:100%;margin:0 auto;padding:0 32px}.section-padding{padding:100px 0}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);letter-spacing:-.5px;font-weight:800;line-height:1.15}h1{font-size:3.5rem}h2{margin-bottom:16px;font-size:2.5rem}h3{font-size:1.75rem}.text-gradient{background:linear-gradient(135deg, var(--text-main) 20%, var(--primary) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.text-muted{color:var(--text-muted)}.btn{border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);justify-content:center;align-items:center;gap:10px;padding:14px 28px;font-size:.95rem;font-weight:700;display:inline-flex;position:relative;overflow:hidden}.btn-primary{background-color:var(--primary);color:var(--bg-main);border:1px solid var(--primary)}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-2px);box-shadow:0 8px 24px #d9770666}.btn-secondary{border:1px solid var(--border-color);background-color:#ffffff03}.btn-secondary:hover{border-color:var(--text-muted);background-color:#ffffff0a;transform:translateY(-1px)}.header{height:var(--header-height);border-bottom:1px solid var(--border-color);z-index:100;-webkit-backdrop-filter:blur(24px);background-color:#060913bf;align-items:center;display:flex;position:sticky;top:0}.header-container{justify-content:space-between;align-items:center;display:flex}.logo-container{font-family:var(--font-heading);letter-spacing:-.75px;align-items:center;gap:12px;font-size:1.4rem;font-weight:800;display:flex}.logo-icon{background:linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);width:36px;height:36px;color:var(--bg-main);border-radius:8px;justify-content:center;align-items:center;font-weight:900;display:flex;box-shadow:0 4px 12px #d977064d}.nav-menu-wrapper{align-items:center;gap:40px;display:flex}.dropdown-wrapper{position:relative}.explore-btn{border:1px solid var(--border-color);cursor:pointer;transition:var(--transition);background-color:#ffffff08;border-radius:6px;align-items:center;gap:6px;padding:8px 16px;font-weight:600;display:flex}.explore-btn:hover{border-color:var(--primary);color:var(--primary);background-color:#ffffff0f}.explore-dropdown{border:1px solid var(--border-color);border-radius:var(--radius-md);width:300px;box-shadow:var(--shadow-lg);opacity:0;z-index:1000;background-color:#0b111e;padding:16px;transition:opacity .3s,transform .3s;display:none;position:absolute;top:calc(100% + 12px);left:0;transform:translateY(10px)}.dropdown-wrapper:hover .explore-dropdown{opacity:1;display:block;transform:translateY(0)}.dropdown-item{cursor:pointer;transition:var(--transition);border-radius:6px;align-items:center;gap:12px;padding:12px;display:flex}.dropdown-item:hover{color:var(--primary);background-color:#ffffff08}.dropdown-icon{font-size:1.25rem}.dropdown-item-info h4{font-size:.9rem;font-weight:700}.dropdown-item-info p{color:var(--text-muted);font-size:.75rem}.nav-links{align-items:center;gap:32px;list-style:none;display:flex}.nav-link{color:var(--text-muted);cursor:pointer;font-weight:600}.nav-link:hover,.nav-link.active{color:var(--primary)}.page{opacity:0;transition:opacity .4s cubic-bezier(.25,.8,.25,1),transform .4s cubic-bezier(.25,.8,.25,1);display:none;transform:translateY(12px)}.page.active{opacity:1;display:block;transform:translateY(0)}.hero{padding:80px 0}.hero-grid{grid-template-columns:1.2fr .8fr;align-items:center;gap:64px;display:grid}.hero-content h1{margin-bottom:24px;font-size:4rem;line-height:1.1}.hero-content p{color:var(--text-muted);max-width:600px;margin-bottom:40px;font-size:1.25rem}.search-box{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-sm);max-width:520px;box-shadow:var(--shadow-sm);transition:var(--transition);margin-bottom:30px;padding:6px;display:flex}.search-box:focus-within{border-color:var(--primary);box-shadow:var(--shadow-glow)}.search-box input{color:var(--text-main);flex-grow:1;padding:12px 18px;font-size:.95rem}.search-box input::placeholder{color:var(--text-dark)}.search-box button{background-color:var(--primary);color:var(--bg-main);border-radius:var(--radius-sm);cursor:pointer;padding:0 24px;font-weight:700}.search-box button:hover{background-color:var(--primary-hover)}.partners-banner{border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color);text-align:center;background-color:#10172a33;padding:30px 0}.partners-flex{flex-wrap:wrap;justify-content:center;align-items:center;gap:64px;display:flex}.partner-logo{font-family:var(--font-heading);color:var(--text-dark);letter-spacing:2px;font-size:1.15rem;font-weight:800}.categories-grid{grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:24px;margin-top:48px;display:grid}.category-card{border:1px solid var(--border-color);border-radius:var(--radius-md);text-align:center;cursor:pointer;transition:var(--transition);z-index:1;padding:36px 28px;position:relative;overflow:hidden;background-position:50%!important;background-size:cover!important}.category-card-overlay{z-index:-1;background:linear-gradient(135deg,#121622ed 0%,#0a0c14f7 100%);width:100%;height:100%;transition:opacity .3s;position:absolute;top:0;left:0}.category-card:hover .category-card-overlay{opacity:.8}.category-card:before{content:"";width:100%;height:4px;transition:var(--transition);background-color:#0000;position:absolute;top:0;left:0}.category-card:hover{border-color:var(--primary);background-color:var(--bg-card-hover);box-shadow:var(--shadow-md);transform:translateY(-6px)}.category-card:hover:before{background-color:var(--primary)}.category-icon{color:var(--primary);margin-bottom:20px;font-size:2.2rem}.category-card h3{margin-bottom:10px;font-size:1.15rem}.courses-section{background-color:#06091366}.section-header{justify-content:space-between;align-items:flex-end;margin-bottom:48px;display:flex}.section-header-left h2{margin-bottom:12px}.courses-grid{grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:32px;display:grid}.course-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);transition:var(--transition);flex-direction:column;height:100%;display:flex;overflow:hidden}.course-card:hover{border-color:var(--primary);box-shadow:var(--shadow-md);transform:translateY(-8px)}.course-thumb{border-bottom:1px solid var(--border-color);background:linear-gradient(135deg,#1e293b 0%,#0b0f19 100%);justify-content:center;align-items:center;height:190px;display:flex;position:relative}.course-thumb-overlay{background:radial-gradient(circle at 80% 20%,#d977062e 0%,#0000 65%);width:100%;height:100%;position:absolute;top:0;left:0}.course-code-badge{color:var(--primary);border:1px solid var(--border-hover);background-color:#060913d9;border-radius:4px;padding:4px 12px;font-size:.75rem;font-weight:700;position:absolute;top:18px;left:18px}.course-thumb-title{font-family:var(--font-heading);text-align:center;color:var(--text-main);text-shadow:0 4px 16px #0009;padding:0 24px;font-size:1.5rem;font-weight:800}.course-info{flex-direction:column;flex-grow:1;padding:28px;display:flex}.course-category{color:var(--primary);text-transform:uppercase;letter-spacing:.75px;margin-bottom:8px;font-size:.8rem;font-weight:700}.course-info h3{margin-bottom:12px;font-size:1.3rem;line-height:1.3}.course-desc{color:var(--text-muted);-webkit-line-clamp:3;-webkit-box-orient:vertical;height:4.2em;margin-bottom:24px;font-size:.9rem;display:-webkit-box;overflow:hidden}.course-meta{color:var(--text-muted);border-bottom:1px solid var(--border-color);align-items:center;gap:20px;margin-bottom:24px;padding-bottom:20px;font-size:.85rem;display:flex}.course-meta-item{align-items:center;gap:8px;display:flex}.course-meta-item svg{width:15px;height:15px;stroke:var(--text-dark)}.course-footer{justify-content:space-between;align-items:center;margin-top:auto;display:flex}.course-rating{align-items:center;gap:4px;font-size:.95rem;font-weight:700;display:flex}.course-rating svg{color:#fbbf24;fill:#fbbf24;width:15px;height:15px}.course-enrollment{color:var(--text-muted);font-size:.85rem}.explorer-layout{grid-template-columns:300px 1fr;gap:48px;margin-top:40px;display:grid}.filter-sidebar{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);height:fit-content;padding:32px 24px;position:sticky;top:110px}.filter-group{margin-bottom:32px}.filter-group h4{border-bottom:1px solid var(--border-color);margin-bottom:16px;padding-bottom:10px;font-size:1.05rem}.filter-option{cursor:pointer;color:var(--text-muted);align-items:center;gap:12px;margin-bottom:12px;font-size:.9rem;display:flex}.filter-option:hover{color:var(--text-main)}.filter-option input[type=checkbox]{width:18px;height:18px;accent-color:var(--primary);cursor:pointer}.course-detail-header{border-bottom:1px solid var(--border-color);background:linear-gradient(135deg,#060913 0%,#151d30 100%);padding:70px 0;position:relative;overflow:hidden}.detail-header-grid{grid-template-columns:1.3fr .7fr;align-items:flex-start;gap:64px;display:grid}.course-breadcrumbs{color:var(--text-dark);margin-bottom:24px;font-size:.85rem}.detail-header-content h1{margin-bottom:20px;font-size:3rem}.instructor-line{align-items:center;gap:16px;margin-bottom:30px;font-size:1rem;display:flex}.instructor-avatar{background-color:var(--primary-light);border:1px solid var(--border-hover);width:40px;height:40px;color:var(--primary);border-radius:50%;justify-content:center;align-items:center;font-size:.9rem;font-weight:700;display:flex}.detail-stats-row{color:var(--text-muted);gap:28px;font-size:.95rem;display:flex}.enroll-card-wrapper{width:100%;position:relative}.enroll-card-box{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);border-top:4px solid var(--primary);z-index:10;padding:36px;position:sticky;top:110px}.enroll-price{font-size:2.2rem;font-weight:900;font-family:var(--font-heading);margin-bottom:12px}.enroll-benefits{color:var(--text-muted);margin:28px 0;font-size:.9rem;list-style:none}.enroll-benefits li{align-items:center;gap:10px;margin-bottom:12px;display:flex}.enroll-benefits li svg{color:var(--success);width:16px;height:16px}.course-detail-layout{grid-template-columns:1.3fr .7fr;gap:64px;margin-top:20px;display:grid}.tabs-nav{border-bottom:1px solid var(--border-color);gap:32px;margin-bottom:36px;display:flex}.tab-btn{color:var(--text-muted);cursor:pointer;transition:var(--transition);border-bottom:3px solid #0000;padding:18px 0;font-weight:700}.tab-btn:hover,.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary)}.tab-pane{display:none}.tab-pane.active{display:block}.syllabus-list{flex-direction:column;gap:18px;display:flex}.syllabus-item{border:1px solid var(--border-color);border-radius:var(--radius-sm);background-color:var(--bg-card);transition:var(--transition);overflow:hidden}.syllabus-header{cursor:pointer;justify-content:space-between;align-items:center;padding:22px 28px;font-weight:700;display:flex}.syllabus-header:hover{background-color:var(--bg-card-hover)}.syllabus-title-left{align-items:center;gap:16px;display:flex}.week-badge{background-color:var(--primary-light);color:var(--primary);border-radius:4px;padding:4px 12px;font-size:.75rem;font-weight:800}.syllabus-content{max-height:0;color:var(--text-muted);background-color:#06091333;padding:0 28px;font-size:.95rem;transition:max-height .35s,padding .35s;overflow:hidden}.syllabus-item.open .syllabus-content{border-top:1px solid var(--border-color);max-height:220px;padding:24px 28px}.syllabus-item.open .chevron-icon{transform:rotate(180deg)}.dashboard-header{background-color:var(--bg-card);border-bottom:1px solid var(--border-color);padding:48px 0}.dashboard-courses{flex-direction:column;gap:28px;margin-top:48px;display:flex}.dashboard-course-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);transition:var(--transition);grid-template-columns:200px 1fr 200px;align-items:center;gap:32px;padding:30px;display:grid}.dashboard-course-card:hover{border-color:var(--primary)}.dashboard-course-thumb{border-radius:var(--radius-sm);border:1px solid var(--border-color);background:linear-gradient(135deg,#1e293b 0%,#060913 100%);justify-content:center;align-items:center;height:120px;display:flex;position:relative}.dashboard-course-code{color:var(--primary);background-color:#060913d9;border-radius:4px;padding:2px 8px;font-size:.65rem;position:absolute;top:10px;left:10px}.dashboard-course-thumb span{text-shadow:0 2px 8px #00000080;font-size:1.15rem;font-weight:800}.progress-container{margin-top:18px}.progress-bar-bg{background-color:var(--border-color);border-radius:4px;height:8px;margin-bottom:10px;overflow:hidden}.progress-bar-fill{background-color:var(--primary);border-radius:4px;width:0%;height:100%;transition:width .7s cubic-bezier(.25,.8,.25,1)}.player-layout{height:calc(100vh - var(--header-height));grid-template-columns:1fr 360px;display:grid;overflow:hidden}.player-main{flex-direction:column;padding:32px;display:flex;overflow-y:auto}.video-container{aspect-ratio:16/9;border-radius:var(--radius-md);width:100%;box-shadow:var(--shadow-lg);background-color:#000;margin-bottom:28px;position:relative;overflow:hidden}.video-mock{background:radial-gradient(circle,#162037 0%,#040712 100%);flex-direction:column;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:relative}.video-play-btn{background-color:var(--primary);cursor:pointer;width:84px;height:84px;color:var(--bg-main);transition:var(--transition);border-radius:50%;justify-content:center;align-items:center;display:flex;box-shadow:0 8px 30px #d9770666}.video-play-btn:hover{background-color:var(--primary-hover);transform:scale(1.1);box-shadow:0 12px 40px #d9770699}.video-play-btn svg{width:32px;height:32px;fill:var(--bg-main);margin-left:4px}.video-controls{background:linear-gradient(#0000,#000000f2);align-items:center;gap:20px;width:100%;padding:20px 28px;font-size:.85rem;display:flex;position:absolute;bottom:0;left:0}.video-btn-icon{cursor:pointer;width:20px;height:20px;color:var(--text-main);transition:var(--transition)}.video-btn-icon:hover{color:var(--primary)}.video-progress-bar{cursor:pointer;height:6px;transition:var(--transition);background-color:#fff3;border-radius:3px;flex-grow:1;position:relative}.video-progress-bar:hover{height:8px}.video-progress-fill{background-color:var(--primary);border-radius:3px;width:0%;height:100%}.speed-selector-wrapper{position:relative}.speed-btn{border:1px solid var(--border-color);cursor:pointer;background-color:#ffffff0d;border-radius:4px;padding:4px 10px;font-weight:600}.speed-dropdown{border:1px solid var(--border-color);z-index:10;background-color:#0b111e;border-radius:6px;min-width:80px;padding:8px 0;display:none;position:absolute;bottom:calc(100% + 8px);right:0}.speed-dropdown.open{display:block}.speed-option{text-align:center;cursor:pointer;padding:8px 12px}.speed-option:hover{color:var(--primary);background-color:#ffffff08}.player-sidebar{border-left:1px solid var(--border-color);background-color:var(--bg-card);flex-direction:column;display:flex;overflow-y:auto}.sidebar-header{border-bottom:1px solid var(--border-color);padding:28px}.sidebar-lecture-list{list-style:none}.sidebar-lecture-item{border-bottom:1px solid var(--border-color);cursor:pointer;transition:var(--transition);gap:16px;padding:20px 28px;font-size:.95rem;display:flex}.sidebar-lecture-item:hover{background-color:var(--bg-card-hover)}.sidebar-lecture-item.active{border-left:4px solid var(--primary);color:var(--primary);background-color:#d977060f}.lecture-checkbox{border:2px solid var(--border-color);width:20px;height:20px;color:var(--success);transition:var(--transition);border-radius:6px;justify-content:center;align-items:center;font-size:.8rem;display:flex}.lecture-checkbox.completed{border-color:var(--success);background-color:#10b9811f}.toast-container{z-index:9999;flex-direction:column;gap:12px;display:flex;position:fixed;bottom:30px;right:30px}.toast{border:1px solid var(--border-color);border-left:5px solid var(--primary);border-radius:var(--radius-sm);color:var(--text-main);box-shadow:var(--shadow-lg);background-color:#0b111e;align-items:center;gap:12px;min-width:320px;padding:16px 24px;font-size:.9rem;font-weight:500;transition:transform .35s cubic-bezier(.25,.8,.25,1);display:flex;transform:translate(120%)}.toast.show{transform:translate(0)}.toast-success{border-left-color:var(--success)}.footer{border-top:1px solid var(--border-color);background-color:#03050a;padding:80px 0 30px;font-size:.9rem}.footer-grid{grid-template-columns:1.5fr repeat(3,1fr);gap:48px;margin-bottom:64px;display:grid}.footer-col h4{color:var(--text-main);margin-bottom:24px;font-size:1.05rem}.footer-links{list-style:none}.footer-links li{margin-bottom:14px}.footer-links a{color:var(--text-muted)}.footer-links a:hover{color:var(--primary)}.footer-bottom{border-top:1px solid var(--border-color);color:var(--text-dark);justify-content:space-between;align-items:center;padding-top:36px;font-size:.85rem;display:flex}.footer-bottom-links{gap:32px;display:flex}.obsidian-vault{border:1px solid var(--border-color);border-radius:var(--radius-md);font-family:var(--font-body);color:#c9d1d9;box-shadow:var(--shadow-lg);background-color:#121622;padding:40px;position:relative}.obsidian-vault:before{content:"";background:linear-gradient(90deg, var(--primary) 0%, #a855f7 100%);width:100%;height:4px;position:absolute;top:0;left:0}.obsidian-title{color:#fff;border-bottom:1px solid var(--border-color);letter-spacing:-.5px;margin-bottom:24px;padding-bottom:16px;font-size:2.2rem;font-weight:800}.obsidian-properties{border:1px solid var(--border-color);background-color:#ffffff05;border-radius:8px;margin-bottom:32px;padding:24px;font-size:.9rem}.properties-title{text-transform:uppercase;color:var(--text-dark);letter-spacing:1px;margin-bottom:14px;font-size:.75rem;font-weight:800}.properties-grid{grid-template-columns:160px 1fr;row-gap:12px;display:grid}.property-label{color:var(--text-muted);align-items:center;gap:8px;font-weight:600;display:flex}.property-value{color:var(--text-main)}.property-tag{color:#c084fc;background-color:#a855f726;border:1px solid #a855f733;border-radius:4px;margin-right:8px;padding:2px 10px;font-size:.75rem;font-weight:700;display:inline-block}.obsidian-callout{border:1px solid var(--border-color);border-left:4px solid var(--text-dark);background-color:#ffffff03;border-radius:8px;margin:28px 0;padding:22px 26px;font-size:.95rem}.callout-title{text-transform:uppercase;letter-spacing:.5px;align-items:center;gap:10px;margin-bottom:10px;font-size:.95rem;font-weight:700;display:flex}.callout-warning{border-left-color:var(--primary);background-color:var(--primary-light)}.callout-warning .callout-title{color:var(--primary-hover)}.callout-important{background-color:#a855f70d;border-left-color:#a855f7}.callout-important .callout-title{color:#c084fc}.callout-note{background-color:#3b82f60d;border-left-color:#3b82f6}.callout-note .callout-title{color:#60a5fa}.wiki-link{color:#a855f7;cursor:pointer;transition:var(--transition);border-bottom:1px dashed #a855f766;border-radius:4px;padding:1px 4px;font-weight:700}.wiki-link:hover{color:#c084fc;background-color:#a855f71a;border-bottom-color:#c084fc}.obsidian-section{margin:48px 0}.obsidian-section h2{color:#fff;border-bottom:1px solid var(--border-color);align-items:center;gap:12px;margin-bottom:24px;padding-bottom:10px;font-size:1.5rem;display:flex}.obsidian-pillars-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px;margin-top:24px;display:grid}.obsidian-pillar-card{border:1px solid var(--border-color);border-radius:var(--radius-sm);transition:var(--transition);background-color:#ffffff03;padding:28px}.obsidian-pillar-card:hover{background-color:#ffffff05;border-color:#a855f7;transform:translateY(-2px)}.obsidian-pillar-card h3{color:#fff;border-bottom:1px solid var(--border-color);margin-bottom:16px;padding-bottom:8px;font-size:1.15rem}.obsidian-links-list{flex-direction:column;gap:12px;list-style:none;display:flex}.obsidian-links-list li{align-items:center;gap:10px;font-size:.9rem;display:flex}.obsidian-links-list li:before{content:"📄";font-size:.95rem}.wiki-modal{-webkit-backdrop-filter:blur(12px);z-index:10000;opacity:0;pointer-events:none;background-color:#03050ad9;justify-content:center;align-items:center;width:100vw;height:100vh;transition:opacity .3s cubic-bezier(.25,.8,.25,1);display:flex;position:fixed;top:0;left:0}.wiki-modal.open{opacity:1;pointer-events:auto}.wiki-modal-box{border:1px solid var(--border-color);border-radius:var(--radius-md);width:90%;max-width:600px;box-shadow:var(--shadow-lg);background-color:#0b111e;border-top:4px solid #a855f7;padding:40px;transition:transform .3s cubic-bezier(.25,.8,.25,1);transform:scale(.95)}.wiki-modal.open .wiki-modal-box{transform:scale(1)}.wiki-modal-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;margin-bottom:24px;padding-bottom:18px;display:flex}.wiki-modal-close{cursor:pointer;color:var(--text-muted);transition:var(--transition);font-size:1.8rem;line-height:1}.wiki-modal-close:hover{color:#fff}.mobile-nav-bar,.drag-indicator{display:none}@media (width<=992px){.hero-grid,.detail-header-grid,.course-detail-layout{grid-template-columns:1fr;gap:40px}.explorer-layout{grid-template-columns:1fr}.dashboard-course-card{grid-template-columns:120px 1fr}.dashboard-course-card>:last-child{grid-column:span 2;margin-top:12px}.footer-grid{grid-template-columns:1fr 1fr}.enroll-card-box{position:static}}@media (width<=768px){h1{font-size:2.3rem!important}h2{font-size:1.8rem!important}.nav-menu-wrapper,.header-actions{display:none!important}.page{padding-bottom:96px!important}.mobile-nav-bar{border-top:1px solid var(--border-color);-webkit-backdrop-filter:blur(20px);z-index:9999;width:100%;height:68px;padding-bottom:env(safe-area-inset-bottom);background-color:#060913d9;justify-content:space-around;align-items:center;display:flex;position:fixed;bottom:0;left:0;box-shadow:0 -4px 20px #0006}.mobile-nav-item{color:var(--text-muted);cursor:pointer;transition:var(--transition);flex-direction:column;flex-grow:1;justify-content:center;align-items:center;gap:4px;height:100%;font-size:.65rem;font-weight:600;display:flex}.mobile-nav-item svg{stroke:currentColor;fill:none;width:22px;height:22px;transition:var(--transition)}.mobile-nav-item.active{color:var(--primary)}.mobile-nav-item.active svg{stroke:var(--primary);transform:translateY(-2px)}.categories-grid,#featured-courses-container{scroll-snap-type:x mandatory!important;scrollbar-width:none!important;gap:16px!important;margin-left:-32px!important;margin-right:-32px!important;padding-bottom:16px!important;padding-left:32px!important;padding-right:32px!important;display:flex!important;overflow-x:auto!important}.categories-grid::-webkit-scrollbar{display:none!important}#featured-courses-container::-webkit-scrollbar{display:none!important}.category-card,#featured-courses-container .course-card{scroll-snap-align:start!important;flex:0 0 270px!important}.wiki-modal{align-items:flex-end}.wiki-modal-box{border-top:4px solid var(--primary)!important;border-radius:24px 24px 0 0!important;width:100%!important;max-height:85%!important;padding:24px 24px 50px!important;transition:transform .38s cubic-bezier(.25,.8,.25,1)!important;overflow-y:auto!important;transform:translateY(100%)!important}.wiki-modal.open .wiki-modal-box{transform:translateY(0)!important}.drag-indicator{background-color:var(--text-dark);border-radius:3px;width:44px;height:5px;margin:0 auto 16px;display:block}.toast-container{width:calc(100% - 40px)!important;top:20px!important;bottom:auto!important;right:20px!important}.toast{width:100%!important;min-width:auto!important;transform:translateY(-120%)!important}.toast.show{transform:translateY(0)!important}.player-layout{grid-template-columns:1fr!important;height:auto!important;overflow:visible!important}.player-main{padding:16px!important}.video-container{z-index:500!important;border-radius:0!important;width:calc(100% + 32px)!important;margin-bottom:16px!important;margin-left:-16px!important;margin-right:-16px!important;position:sticky!important;top:0!important}.player-sidebar{border-left:none!important;border-top:1px solid var(--border-color)!important;background-color:var(--bg-main)!important;height:auto!important;overflow:visible!important}.footer-grid{grid-template-columns:1fr;gap:32px}.footer-bottom{text-align:center;flex-direction:column;gap:20px}}.command-center-container{grid-template-columns:340px 1fr;align-items:start;gap:28px;min-height:80vh;margin-top:24px;display:grid}@media (width<=992px){.command-center-container{grid-template-columns:1fr}}.sitemap-sidebar{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);max-height:80vh;padding:24px;position:sticky;top:100px;overflow-y:auto}.sitemap-search-input{background-color:var(--bg-main);border:1px solid var(--border-color);width:100%;color:var(--text-main);border-radius:6px;margin-bottom:20px;padding:10px 12px;font-size:.9rem;transition:border-color .2s}.sitemap-search-input:focus{border-color:var(--primary);outline:none}.sitemap-folder-group{margin-bottom:20px}.sitemap-folder-title{text-transform:uppercase;color:var(--primary);letter-spacing:.5px;align-items:center;gap:8px;margin-bottom:10px;font-size:.8rem;font-weight:700;display:flex}.sitemap-item-list{flex-direction:column;gap:4px;margin:0;padding:0;list-style:none;display:flex}.sitemap-item{cursor:pointer;color:var(--text-muted);-webkit-user-select:none;user-select:none;border-radius:6px;justify-content:space-between;align-items:center;padding:8px 12px;font-size:.9rem;transition:all .2s;display:flex}.sitemap-item:hover{color:var(--text-main);background-color:#ffffff08}.sitemap-item.active{color:var(--primary);border-left:3px solid var(--primary);background-color:#d977061a;border-radius:0 6px 6px 0;font-weight:600}.sitemap-item-check{opacity:.4;font-size:.75rem;transition:opacity .2s}.sitemap-item:hover .sitemap-item-check,.sitemap-item.active .sitemap-item-check{opacity:1}.preview-pane{border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);background-color:#121622;min-height:80vh;padding:40px;position:relative}.preview-pane:before{content:"";background:linear-gradient(90deg, var(--primary) 0%, #a855f7 100%);width:100%;height:4px;position:absolute;top:0;left:0}.preview-pane-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;margin-bottom:24px;padding-bottom:20px;display:flex}.preview-pane-title{color:#fff;letter-spacing:-.5px;margin:0;font-size:2.2rem;font-weight:800}.flow-diagram-container{grid-template-columns:repeat(5,1fr);gap:16px;margin:32px 0;display:grid;position:relative}@media (width<=768px){.flow-diagram-container{grid-template-columns:1fr}}.flow-step-card{border:1px solid var(--border-color);text-align:center;cursor:pointer;background-color:#ffffff05;border-radius:8px;padding:16px;transition:all .3s;position:relative}.flow-step-card:hover{border-color:var(--primary);background-color:#d977060d;transform:translateY(-4px)}.flow-step-num{background-color:var(--primary);width:24px;height:24px;color:var(--bg-main);border-radius:50%;justify-content:center;align-items:center;margin:0 auto 12px;font-size:.8rem;font-weight:700;display:flex}.flow-step-title{color:var(--text-main);margin-bottom:8px;font-size:.95rem;font-weight:700}.flow-step-desc{color:var(--text-muted);font-size:.75rem}