@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";.header-wrapper{position:relative;overflow:hidden;background:linear-gradient(180deg,var(--color-surface) 0%,var(--color-bg) 100%);border-bottom:1px solid var(--color-border-light);top:0;z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.header{max-width:1200px;margin:0 auto;padding:var(--space-xl) var(--space-md) var(--space-lg);text-align:center}.header-top{display:flex;justify-content:flex-end;margin-bottom:var(--space-lg)}.header h1{font-size:2.25rem;font-weight:700;margin-bottom:var(--space-sm);background:linear-gradient(135deg,var(--color-text) 0%,var(--color-primary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:fadeIn .5s ease-out;letter-spacing:-.02em}.header h2{font-size:1.125rem;color:var(--color-text-secondary);font-weight:400;animation:fadeIn .5s ease-out .1s both;max-width:600px;margin:0 auto}@media(max-width:768px){.header{padding:var(--space-lg) var(--space-md)}.header h1{font-size:1.75rem}.header h2{font-size:1rem}}.header:after{content:"";position:absolute;top:-50%;right:-10%;width:300px;height:300px;background:radial-gradient(circle,var(--color-primary-light) 0%,transparent 70%);border-radius:50%;opacity:.4;pointer-events:none;animation:float 6s ease-in-out infinite}@media(max-width:768px){.header:after{display:none}}.language-switcher{display:flex;gap:var(--space-xs);background:var(--color-surface);padding:var(--space-xs);border-radius:var(--radius-sm);border:1px solid var(--color-border-light)}.lang-btn{background:transparent;border:none;padding:.375rem .875rem;border-radius:var(--radius-sm);cursor:pointer;font-family:inherit;font-size:.8125rem;font-weight:500;color:var(--color-text-secondary);transition:all var(--transition-fast);letter-spacing:.02em}.lang-btn:hover{color:var(--color-primary);background:var(--color-primary-light)}.lang-btn.active{background:var(--color-primary);color:#fff;box-shadow:0 2px 8px #8b5cf640}.lang-btn:active{transform:scale(.98)}.grid-wrapper{width:100%;padding:0 var(--space-lg);margin-bottom:var(--space-xxl);flex:1}.grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--space-xl)}.grid>*{animation-delay:calc(var(--i, 0) * .1s)}@media(max-width:768px){.grid-wrapper{padding:0 var(--space-md)}.grid{grid-template-columns:1fr;gap:var(--space-lg)}}.card{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-lg);display:flex;flex-direction:column;transition:transform var(--transition-normal),box-shadow var(--transition-normal),border-color var(--transition-fast);cursor:pointer;animation:fadeIn .4s ease-out forwards;position:relative;overflow:hidden}.card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--color-primary),var(--color-primary-hover));opacity:0;transition:opacity var(--transition-fast)}.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-card-hover);border-color:var(--color-primary-light)}.card:hover:before{opacity:1}.card-header{display:flex;gap:var(--space-md);margin-bottom:var(--space-md);flex:1}.card-icon{width:56px;height:56px;background:var(--color-primary-light);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background var(--transition-fast),transform var(--transition-fast)}.card:hover .card-icon{background:var(--color-primary);transform:scale(1.05)}.course-icon{color:var(--color-primary);font-size:1.5rem;transition:color var(--transition-fast)}.card:hover .course-icon{color:#fff}.card-header h3{font-size:.875rem;font-weight:600;margin-bottom:var(--space-xs);color:var(--color-primary);text-transform:uppercase;letter-spacing:.05em}.card-header p{font-size:1.125rem;color:var(--color-text);line-height:1.4;font-weight:500}.card-footer{display:flex;justify-content:space-between;align-items:center;padding-top:var(--space-md);border-top:1px solid var(--color-border-light);margin-top:auto}.card-footer p{font-weight:700;font-size:1.25rem;color:var(--color-primary)}.card-footer button{background:var(--color-primary);color:#fff;border:none;padding:.625rem 1.5rem;border-radius:var(--radius-sm);font-weight:500;font-size:.875rem;cursor:pointer;transition:background var(--transition-fast),transform var(--transition-fast),box-shadow var(--transition-fast);box-shadow:0 2px 8px #8b5cf633}.card-footer button:hover{background:var(--color-primary-hover);transform:translateY(-2px);box-shadow:0 4px 16px #8b5cf64d}.card-footer button:active{transform:translateY(0)}@media(max-width:768px){.card{padding:var(--space-md)}.card-header{gap:var(--space-sm)}.card-icon{width:48px;height:48px}.course-icon{font-size:1.25rem}.card-footer p{font-size:1.125rem}}.link-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-md) var(--space-lg);display:flex;align-items:center;justify-content:center;transition:transform var(--transition-normal),box-shadow var(--transition-normal),border-color var(--transition-fast);animation:fadeIn .4s ease-out forwards;min-height:64px;width:100%}.link-card:not(.disabled){cursor:pointer}.link-card:not(.disabled):hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover);border-color:var(--color-primary-light)}.link-card.disabled{opacity:.6;cursor:not-allowed;background:var(--color-border-light)}.link-card-inner{display:flex;align-items:center;gap:var(--space-sm);width:100%;max-width:100%}.link-icon{width:40px;height:40px;background:var(--color-primary-light);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background var(--transition-fast)}.link-card:not(.disabled):hover .link-icon{background:var(--color-primary)}.link-icon-svg{color:var(--color-primary);font-size:1.125rem;transition:color var(--transition-fast)}.link-card:not(.disabled):hover .link-icon-svg{color:#fff}.link-label{font-weight:500;color:var(--color-text);font-size:.9375rem;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.link-external{color:var(--color-text-secondary);font-size:.75rem;opacity:.7;transition:opacity var(--transition-fast),transform var(--transition-fast);flex-shrink:0}.link-card:not(.disabled):hover .link-external{opacity:1;transform:translate(2px,-2px)}.link-badge{background:var(--color-border);color:var(--color-text-secondary);font-size:.75rem;font-weight:500;padding:.25rem .625rem;border-radius:var(--radius-sm);margin-left:auto;flex-shrink:0}@media(max-width:768px){.link-card{padding:var(--space-sm) var(--space-md)}.link-icon{width:36px;height:36px}.link-label{font-size:.875rem}}.links-section{background:var(--color-surface);border-top:1px solid var(--color-border-light);padding:var(--space-xxl) 0;margin-top:var(--space-xxl)}.links-wrapper{width:100%;padding:0 var(--space-lg)}.links-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-lg)}.links-grid .link-card{width:100%}@media(max-width:768px){.links-section{padding:var(--space-xl) 0;margin-top:var(--space-xl)}.links-wrapper{padding:0 var(--space-md)}.links-grid{grid-template-columns:1fr;gap:var(--space-md)}.links-grid .link-card{width:100%}}:root{--color-bg: #ffffff;--color-surface: #fafafa;--color-primary: #8b5cf6;--color-primary-hover: #7c3aed;--color-primary-light: #ede9fe;--color-text: #1f2937;--color-text-secondary: #6b7280;--color-border: #e5e7eb;--color-border-light: #f3f4f6;--shadow-card: 0 2px 12px rgba(0, 0, 0, .04);--shadow-card-hover: 0 8px 24px rgba(139, 92, 246, .12);--shadow-soft: 0 4px 20px rgba(0, 0, 0, .06);--radius-sm: 12px;--radius-md: 16px;--radius-lg: 24px;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-xxl: 3rem;--transition-fast: .2s ease;--transition-normal: .3s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--color-bg);color:var(--color-text);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}main{flex:1}#root{min-height:100vh;display:flex;flex-direction:column}a{text-decoration:none;color:inherit;transition:color var(--transition-fast)}a:hover{color:var(--color-primary)}button{font-family:inherit}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-4px)}}.animate-fade-in{animation:fadeIn .4s var(--transition-normal) forwards}.animate-float{animation:float 3s ease-in-out infinite}