.examples-grid-app{--bg-dark: hsl(210, 20%, 12%);--bg-darker: hsl(210, 20%, 9%);--primary-blue: hsl(200, 50%, 65%);--accent-gold: hsl(35, 60%, 55%);--text-white: hsl(0, 0%, 98%);--text-muted: hsl(210, 10%, 70%);--card-bg: rgba(255, 255, 255, .03);--border-color: rgba(255, 255, 255, .08);--font-sans: "Inter", system-ui, -apple-system, sans-serif;--nav-height: 80px;position:relative;width:100%;min-height:100vh;background:var(--bg-dark);color:var(--text-white)}.examples-grid-app a{text-decoration:none}.examples-grid-app .ambient-background{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.6}@media(max-width:768px){.examples-grid-app .ambient-background{opacity:.3}}.examples-grid-app .examples-navbar{position:fixed;top:0;left:0;right:0;padding-top:env(safe-area-inset-top,0);min-height:var(--nav-height);z-index:100;background:#161b22d9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color)}.examples-grid-app .examples-navbar .nav-container{max-width:1200px;margin:0 auto;min-height:var(--nav-height);display:flex;align-items:center;justify-content:space-between;padding:0 24px}.examples-grid-app .examples-navbar .logo-section{display:flex;align-items:center;gap:12px;cursor:pointer;transition:opacity .2s}.examples-grid-app .examples-navbar .logo-section:hover{opacity:.8}.examples-grid-app .examples-navbar .nav-logo-icon{max-width:75px;font-size:32px;color:var(--primary-blue)}.examples-grid-app .examples-navbar .nav-brand{font-weight:700;font-size:1.25rem;letter-spacing:-.02em;color:var(--text-white)}.examples-grid-app .examples-navbar .nav-actions{display:flex;align-items:center;gap:24px}.btn-primary{background:var(--accent-gold);color:#111;border:none;border-radius:99px;font-weight:600;cursor:pointer;transition:all .2s cubic-bezier(.2,.8,.2,1);box-shadow:0 4px 12px #c99e4b33}.btn-primary.small{padding:10px 20px;font-size:.9rem}.btn-primary.large{padding:16px 36px;font-size:1.1rem}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 20px #c99e4b4d;background:#e0a552}.btn-secondary{background:#ffffff0d;color:var(--text-white);border:1px solid rgba(255,255,255,.1);border-radius:99px;font-weight:600;cursor:pointer;transition:all .2s}.btn-secondary.large{padding:16px 32px;font-size:1.1rem}.btn-secondary:hover{background:#ffffff1a;border-color:#fff3}.btn-text{background:none;border:none;color:var(--text-white);font-weight:600;cursor:pointer;font-size:.95rem;opacity:.8}.btn-text:hover{opacity:1}.btn-text-link{background:none;border:none;color:var(--text-muted);font-weight:500;cursor:pointer;font-size:1rem;padding:0;text-decoration:none;transition:color .2s ease}.btn-text-link:hover{color:var(--text-white)}.grid-header{position:relative;padding:calc(160px + env(safe-area-inset-top,0)) 24px 60px;display:flex;flex-direction:column;align-items:center;text-align:center;z-index:10;max-width:800px;margin:0 auto}.examples-grid-app .breadcrumbs{display:flex;align-items:center;gap:8px;font-size:.9rem;color:var(--text-muted);margin-bottom:32px;animation:fadeUp .8s ease-out}.examples-grid-app .breadcrumbs a{color:var(--primary-blue);text-decoration:none;transition:color .2s;display:flex;align-items:center;gap:6px}.examples-grid-app .breadcrumbs a:hover{color:var(--text-white)}.examples-grid-app .breadcrumb-separator{color:var(--text-muted);opacity:.5}.examples-grid-app .breadcrumb-current{color:var(--text-white);font-weight:500}.header-badge{display:flex;align-items:center;gap:8px;background:#79abc51a;border:1px solid rgba(121,171,197,.2);padding:6px 16px;border-radius:99px;font-size:.85rem;color:var(--primary-blue);font-weight:500;margin-bottom:24px;animation:fadeUp .8s ease-out .1s backwards}.badge-dot{width:6px;height:6px;background:var(--primary-blue);border-radius:50%;box-shadow:0 0 8px var(--primary-blue)}.grid-title{margin:0 0 24px;font-size:4rem;line-height:1.1;font-weight:800;letter-spacing:-.03em;animation:fadeUp .8s ease-out .2s backwards}.text-gradient{background:linear-gradient(135deg,var(--text-white) 30%,var(--primary-blue) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.grid-subtitle{font-size:1.15rem;line-height:1.6;color:var(--text-muted);animation:fadeUp .8s ease-out .3s backwards}@media(max-width:768px){.grid-title{font-size:2.5rem}}.loading-state,.error-state,.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:80px 24px;z-index:10;position:relative}.loading-state i,.error-state i,.empty-state i{font-size:3rem;color:var(--accent-gold);margin-bottom:24px}.spinner{width:48px;height:48px;border:3px solid rgba(121,171,197,.2);border-radius:50%;border-top-color:var(--primary-blue);animation:spin 1s ease-in-out infinite;margin-bottom:24px}@keyframes spin{to{transform:rotate(360deg)}}.loading-state p,.error-state p{color:var(--text-muted);font-size:1rem}.empty-state h2{color:var(--text-white);font-size:1.75rem;font-weight:700;margin:0 0 16px}.empty-state p{color:var(--text-muted);font-size:1rem;line-height:1.6;margin-bottom:8px;max-width:500px}.empty-state button{margin-top:32px}.examples-grid-app .lessons-section{position:relative;z-index:10;max-width:1200px;margin:0 auto;padding:0 24px 100px}.examples-grid-app .lessons-grid{display:grid;gap:24px;margin-bottom:60px}@media(min-width:1025px){.examples-grid-app .lessons-grid{grid-template-columns:repeat(3,1fr)}}@media(min-width:769px)and (max-width:1024px){.examples-grid-app .lessons-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.examples-grid-app .lessons-grid{grid-template-columns:1fr}}.examples-grid-app .lesson-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:20px;padding:24px;cursor:pointer;transition:all .3s ease;display:flex;flex-direction:column;gap:16px}.examples-grid-app .lesson-card:hover{transform:translateY(-5px);border-color:#79abc54d;background:#ffffff0d;box-shadow:0 8px 24px #0003}.examples-grid-app .lesson-card-header{display:flex;justify-content:space-between;align-items:center}.examples-grid-app .lesson-level-badge{background:linear-gradient(135deg,var(--accent-gold),hsl(35,70%,60%));color:#111;padding:6px 14px;border-radius:8px;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em}.examples-grid-app .category-icon{font-size:1.75rem;color:var(--primary-blue);opacity:.7;transition:opacity .3s}.examples-grid-app .lesson-card:hover .category-icon{opacity:1}.examples-grid-app .lesson-card-body{flex:1}.examples-grid-app .lesson-title{font-size:1.25rem;font-weight:700;color:var(--text-white);margin:0 0 16px;line-height:1.4}.examples-grid-app .lesson-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:.875rem;color:var(--text-muted)}.examples-grid-app .lesson-category,.examples-grid-app .lesson-dialogues{display:inline-flex;align-items:center;gap:6px}.examples-grid-app .lesson-category i,.examples-grid-app .lesson-dialogues i{color:var(--accent-gold);font-size:.9rem}.examples-grid-app .lesson-card-footer{padding-top:16px;border-top:1px solid var(--border-color)}.examples-grid-app .view-lesson-link{color:var(--primary-blue);font-size:.95rem;font-weight:600;transition:color .2s;display:flex;align-items:center;gap:8px}.examples-grid-app .lesson-card:hover .view-lesson-link{color:var(--text-white)}.examples-grid-app .view-lesson-link i{font-size:.85rem;transition:transform .3s}.examples-grid-app .lesson-card:hover .view-lesson-link i{transform:translate(4px)}.grid-cta-section{padding:100px 24px;text-align:center;background:linear-gradient(to top,rgba(121,171,197,.05),transparent);z-index:10;position:relative}.grid-cta-section .cta-content h2{font-size:2.5rem;margin-bottom:16px}.grid-cta-section .cta-content p{color:var(--text-muted);margin-bottom:40px;font-size:1.1rem;max-width:600px;margin-left:auto;margin-right:auto}.grid-cta-section .cta-buttons{display:flex;flex-direction:column;align-items:center;gap:16px}.grid-cta-section .cta-buttons button{min-width:250px}.grid-cta-section .cta-buttons i{margin-right:8px}@media(max-width:768px){.examples-grid-app .lessons-section{padding:0 16px 60px}.grid-cta-section{padding:60px 16px}.grid-cta-section .cta-content h2{font-size:2rem}}.footer-cta{padding:120px 24px;text-align:center;background:linear-gradient(to top,rgba(121,171,197,.05),transparent);z-index:10;position:relative}.footer-links{margin-top:80px;padding-top:40px;border-top:1px solid var(--border-color);display:flex;gap:24px;justify-content:center;color:var(--text-muted);font-size:.9rem}.footer-links a{color:var(--text-muted);text-decoration:none;transition:color .2s}.footer-links a:hover{color:var(--text-white)}@media(max-width:768px){.footer-cta{padding:80px 16px}.footer-links{flex-wrap:wrap;gap:16px}}@keyframes fadeUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}