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#6366f166;--container-max:1280px;--container-padding:24px}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px;scroll-behavior:smooth;text-rendering:optimizeLegibility}body{background-color:#0a0f1c;background-color:var(--dark-bg);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-weight:400;letter-spacing:-.01em;line-height:1.7;overflow-x:hidden}.loading-screen,body{color:#fff;color:var(--text-primary)}.loading-screen{align-items:center;background:#050810;background:var(--darker-bg);display:flex;font-size:1.25rem;font-weight:500;height:100vh;justify-content:center;letter-spacing:.02em}.navbar{background:#0000;left:0;padding:20px 0;position:fixed;right:0;top:0;transition:all .3s ease;transition:all var(--transition-normal);z-index:1000}.navbar.scrolled{-webkit-backdrop-filter:blur(20px) saturate(180%);backdrop-filter:blur(20px) saturate(180%);background:#0a0f1cfa;border-bottom:1px solid 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var(--transition-fast)}.nav-link:hover{color:#fff;color:var(--text-primary)}.nav-link:after{background:linear-gradient(135deg,#6366f1,#8b5cf6);background:var(--primary-gradient);border-radius:2px;bottom:0;content:"";height:2px;left:0;position:absolute;transition:width .15s ease;transition:width var(--transition-fast);width:0}.nav-link:hover:after{width:100%}.nav-actions{display:flex;gap:16px}.btn,.nav-actions{align-items:center}.btn{border:none;border-radius:12px;border-radius:var(--radius-md);cursor:pointer;display:inline-flex;font-size:1rem;font-weight:600;gap:10px;justify-content:center;letter-spacing:.01em;padding:12px 24px;text-decoration:none;transition:all .15s ease;transition:all var(--transition-fast);white-space:nowrap}.btn-primary{background:linear-gradient(135deg,#6366f1,#8b5cf6);background:var(--primary-gradient);box-shadow:0 4px 16px #6366f180,inset 0 1px 0 #ffffff1a;color:#fff;text-shadow:0 1px 2px #0003}.btn-primary:hover{box-shadow:0 8px 25px #6366f199,inset 0 1px 0 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var(--border-color);border-radius:12px;border-radius:var(--radius-md);color:#fff;color:var(--text-primary);cursor:pointer;display:none;padding:10px;transition:all .15s ease;transition:all var(--transition-fast)}.menu-toggle:hover{background:#ffffff1a;border-color:#94a3b84d}.user-profile{position:relative}.profile-avatar-btn{align-items:center;background:linear-gradient(135deg,#6366f1,#8b5cf6);background:var(--primary-gradient);border:2.5px solid #ffffff26;border-radius:50%;box-shadow:0 4px 12px #6366f14d;color:#fff;cursor:pointer;display:flex;font-size:1.1rem;font-weight:700;height:44px;justify-content:center;text-shadow:0 1px 2px #0003;transition:all .15s ease;transition:all var(--transition-fast);width:44px}.profile-avatar-btn:hover{border-color:#ffffff4d;box-shadow:0 6px 20px #6366f180;transform:scale(1.08)}.profile-dropdown{animation:slideDown .25s ease;-webkit-backdrop-filter:blur(20px) saturate(180%);backdrop-filter:blur(20px) saturate(180%);background:#141928fa;border:1.5px solid #94a3b826;border:1.5px solid var(--border-color);border-radius:16px;border-radius:var(--radius-lg);box-shadow:0 25px 50px -12px #0009;min-width:300px;padding:24px;position:absolute;right:0;top:56px;z-index:1001}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.profile-header{align-items:center;display:flex;gap:16px;margin-bottom:20px}.profile-avatar-large{align-items:center;background:linear-gradient(135deg,#6366f1,#8b5cf6);background:var(--primary-gradient);border:2.5px solid #ffffff26;border-radius:50%;color:#fff;display:flex;flex-shrink:0;font-size:1.5rem;font-weight:700;height:56px;justify-content:center;text-shadow:0 1px 2px #0003;width:56px}.profile-info{flex:1 1;min-width:0;overflow:hidden}.profile-name{color:#fff;color:var(--text-primary);font-size:1.1rem;font-weight:600;letter-spacing:.01em;margin-bottom:6px}.profile-email,.profile-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.profile-email{color:#8a9ab0;color:var(--text-muted);font-size:.9rem}.profile-divider{background:#94a3b826;background:var(--border-color);height:1.5px;margin:16px 0}.logout-btn{align-items:center;background:#ef44441a;border:1.5px solid #ef444433;border-radius:12px;border-radius:var(--radius-md);color:#f87171;cursor:pointer;display:flex;font-size:.95rem;font-weight:600;gap:10px;justify-content:center;letter-spacing:.01em;padding:12px;transition:all .15s ease;transition:all var(--transition-fast);width:100%}.logout-btn:hover{background:#ef444433;border-color:#ef444466;color:#ef4444}.hero{align-items:center;display:flex;justify-content:center;min-height:100vh;overflow:hidden;padding:140px 24px 100px;padding:140px var(--container-padding) 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#0003}.course-body{padding:36px}.course-title{color:#fff;font-size:1.75rem;font-weight:700;letter-spacing:-.01em;margin-bottom:14px}.course-duration{align-items:center;color:#8a9ab0;color:var(--text-muted);display:flex;font-size:1rem;font-weight:500;gap:10px;margin-bottom:24px}.course-topics{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}.topic-tag{background:#6366f11f;border:1px solid #6366f133;border-radius:8px;color:#a5b4fc;font-size:.9rem;font-weight:600;letter-spacing:.01em;padding:8px 14px}.course-features{list-style:none;margin-bottom:28px}.course-features li{align-items:center;color:#b8c5d6;color:var(--text-secondary);display:flex;font-size:1.05rem;font-weight:500;gap:14px;letter-spacing:.01em;padding:10px 0}.check-icon{color:#34d399;color:var(--success-color);filter:drop-shadow(0 0 4px rgba(52,211,153,.3));flex-shrink:0}.btn-course{background:#6366f11a;border:1.5px solid #6366f14d;color:#fff;font-size:1.05rem;font-weight:600;letter-spacing:.01em;padding:16px;transition:all .15s ease;transition:all var(--transition-fast);width:100%}.btn-course:hover{background:#6366f133;border-color:#6366f180;box-shadow:0 8px 20px #6366f14d;transform:translateY(-2px)}.steps-section{background:linear-gradient(180deg,#050810,#0a0f1c);background:linear-gradient(180deg,var(--darker-bg) 0,var(--dark-bg) 100%);overflow:hidden;position:relative}.steps-section:before{background:linear-gradient(90deg,#0000,#6366f14d,#0000);content:"";height:1.5px;left:0;position:absolute;right:0;top:0}.steps-grid{grid-gap:28px;display:grid;gap:28px;grid-template-columns:repeat(4,1fr);margin:0 auto;max-width:1280px;max-width:var(--container-max);position:relative}.step-card{background:#141928f2;background:var(--card-bg);border:1.5px solid #94a3b826;border:1.5px solid var(--border-color);border-radius:16px;border-radius:var(--radius-lg);box-shadow:0 4px 6px -1px #0003;padding:36px 28px;position:relative;text-align:center;transition:all .3s ease;transition:all var(--transition-normal)}.step-card:hover{border-color:#6366f166;box-shadow:0 20px 40px #0006;transform:translateY(-6px)}.step-number{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#6366f1,#8b5cf6);background:var(--primary-gradient);-webkit-background-clip:text;background-clip:text;filter:drop-shadow(0 2px 4px rgba(99,102,241,.2));font-size:3rem;font-weight:900;letter-spacing:-.03em;line-height:1;margin-bottom:20px;opacity:.9}.step-title{color:#fff;font-size:1.35rem;font-weight:700;letter-spacing:-.01em;margin-bottom:14px}.step-desc{color:#b8c5d6;color:var(--text-secondary);font-size:1.05rem;font-weight:400;line-height:1.7}.step-arrow{color:#8a9ab0;color:var(--text-muted);font-size:2.5rem;font-weight:300;opacity:.2;position:absolute;right:-24px;top:50%;transform:translateY(-50%)}.about-section{background:#0a0f1c;background:var(--dark-bg)}.about-content{margin:0 auto;max-width:1280px;max-width:var(--container-max)}.about-text{margin:0 auto 70px;max-width:850px;text-align:center}.about-description{color:#b8c5d6;color:var(--text-secondary);font-size:1.2rem;font-weight:400;line-height:1.9;margin-bottom:24px}.about-description strong{color:#fff;font-weight:600}.about-features-grid{grid-gap:28px;display:grid;gap:28px;grid-template-columns:repeat(4,1fr)}.about-feature-card{background:#141928f2;background:var(--card-bg);border:1.5px solid #94a3b826;border:1.5px solid var(--border-color);border-radius:16px;border-radius:var(--radius-lg);box-shadow:0 4px 6px -1px #0003;padding:36px 28px;text-align:center;transition:all .3s ease;transition:all var(--transition-normal)}.about-feature-card:hover{border-color:#6366f166;box-shadow:0 20px 40px #0006;transform:translateY(-6px)}.about-feature-icon{align-items:center;background:#6366f126;border:1.5px solid #6366f133;border-radius:16px;border-radius:var(--radius-lg);box-shadow:0 8px 16px 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#00000080;transform:translateY(-8px)}.feature-icon{align-items:center;background:linear-gradient(135deg,#6366f1,#8b5cf6);background:var(--primary-gradient);border:2px solid #ffffff1a;border-radius:16px;border-radius:var(--radius-lg);box-shadow:0 10px 25px #6366f166;color:#fff;display:flex;height:80px;justify-content:center;margin:0 auto 28px;width:80px}.feature-icon svg{filter:drop-shadow(0 2px 4px rgba(0,0,0,.2))}.feature-title{color:#fff;font-size:1.35rem;font-weight:700;letter-spacing:-.01em;margin-bottom:14px}.feature-desc{color:#b8c5d6;color:var(--text-secondary);font-size:1.05rem;font-weight:400;line-height:1.7}.faq-section{background:#0a0f1c;background:var(--dark-bg)}.faq-list{display:flex;flex-direction:column;gap:16px;margin:0 auto;max-width:850px}.faq-item{background:#141928f2;background:var(--card-bg);border:1.5px solid #94a3b826;border:1.5px solid var(--border-color);border-radius:12px;border-radius:var(--radius-md);box-shadow:0 2px 4px #0000001a;cursor:pointer;overflow:hidden;transition:all .15s ease;transition:all var(--transition-fast)}.faq-item:hover{border-color:#6366f14d;transform:translateX(4px)}.faq-item.active{background:#6366f114;border-color:#6366f180;box-shadow:0 8px 20px #0000004d}.faq-question{align-items:center;color:#fff;display:flex;font-size:1.15rem;font-weight:700;justify-content:space-between;letter-spacing:-.01em;line-height:1.5;padding:28px}.faq-icon{color:#8a9ab0;color:var(--text-muted);flex-shrink:0;height:24px;margin-left:20px;transition:all .15s ease;transition:all var(--transition-fast);width:24px}.faq-icon.rotate{color:#818cf8;transform:rotate(90deg)}.faq-answer{color:#b8c5d6;color:var(--text-secondary);font-size:1.05rem;font-weight:400;line-height:1.8;max-height:0;overflow:hidden;padding:0 28px;transition:all .3s ease;transition:all var(--transition-normal)}.faq-answer.show{max-height:500px;padding:0 28px 28px}.cta-section{background:linear-gradient(135deg,#6366f1,#8b5cf6);background:var(--primary-gradient);overflow:hidden;padding:120px 24px;padding:120px var(--container-padding);position:relative;text-align:center}.cta-section:before{background:url("data:image/svg+xml;charset=utf-8,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z' fill='%23fff' fill-opacity='.08' fill-rule='evenodd'/%3E%3C/svg%3E");content:"";inset:0;opacity:.6;position:absolute}.cta-content{margin:0 auto;max-width:750px;position:relative;z-index:1}.cta-title{color:#fff;font-size:clamp(2.25rem,4vw,3.5rem);font-weight:800;letter-spacing:-.02em;margin-bottom:20px;text-shadow:0 2px 10px #0003}.cta-subtitle{color:#fffffff2;font-size:1.3rem;font-weight:400;line-height:1.7;margin-bottom:48px;text-shadow:0 1px 2px #0000001a}.cta-buttons{display:flex;flex-wrap:wrap;gap:20px;justify-content:center}.footer{background:#050810;background:var(--darker-bg);border-top:1.5px solid #94a3b826;border-top:1.5px solid var(--border-color);padding:100px 24px 50px;padding:100px var(--container-padding) 50px}.footer-content{grid-gap:80px;display:grid;gap:80px;grid-template-columns:2fr 3fr;margin:0 auto 70px;max-width:1280px;max-width:var(--container-max)}.footer-brand{max-width:320px}.footer-brand .logo{margin-bottom:24px}.footer-brand .logo-text{font-size:1.5rem}.footer-desc{color:#b8c5d6;color:var(--text-secondary);font-size:1.05rem;font-weight:400;line-height:1.8;margin-bottom:28px}.footer-social{display:flex;gap:14px}.social-link{align-items:center;background:#ffffff0d;border:1.5px solid #94a3b826;border:1.5px solid var(--border-color);border-radius:50%;color:#b8c5d6;color:var(--text-secondary);display:flex;height:44px;justify-content:center;transition:all .15s ease;transition:all 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#ffffff4d;border-radius:50%;border-top:3px solid var(--text-white);display:inline-block;height:24px;width:24px}.auth-toggle{border-top:1px solid #e2e8f0;margin-top:24px;padding-top:24px;text-align:center}.auth-toggle p{color:#64748b;color:var(--text-secondary);font-size:15px;font-weight:500}.toggle-link{color:#667eea;color:var(--primary-color);font-weight:700;position:relative;text-decoration:none;transition:color .15s ease;transition:color var(--transition-fast)}.toggle-link:after{background:linear-gradient(135deg,#667eea,#764ba2);background:var(--primary-gradient);bottom:-2px;content:"";height:2px;left:0;position:absolute;transition:width .3s ease;transition:width var(--transition-normal);width:0}.toggle-link:hover{color:#764ba2;color:var(--secondary-color)}.toggle-link:hover:after{width:100%}.btn-back{align-items:center;border:2px solid #0000;border-radius:12px;border-radius:var(--radius-md);color:#64748b;color:var(--text-secondary);display:flex;font-size:14px;font-weight:600;gap:8px;justify-content:center;margin-top:20px;padding:12px;text-decoration:none;transition:all .3s ease;transition:all var(--transition-normal)}.btn-back:hover{background:#667eea0d;border-color:#667eea33;color:#667eea;color:var(--primary-color)}.btn-back svg{transition:transform .15s ease;transition:transform var(--transition-fast)}.btn-back:hover svg{transform:translateX(-4px)}@media (max-width:768px){.auth-card{max-width:440px;padding:40px 32px}.auth-header h1{font-size:28px}.logo-text{font-size:24px}.form-group input{font-size:16px;padding:12px 14px}.btn-submit{padding:14px 20px}}@media (max-width:480px){.auth-container{align-items:flex-start;padding:40px 16px 16px}.auth-card{border-radius:16px;border-radius:var(--radius-lg);padding:32px 24px}.auth-header h1{font-size:24px}.auth-header p{font-size:14px}.logo-text{font-size:22px}.form-group label{font-size:12px}.auth-error{font-size:13px;padding:12px 14px}.btn-submit{font-size:15px;padding:14px 20px}.auth-toggle p{font-size:14px}.btn-back{font-size:13px}}@media (max-width:360px){.auth-card{padding:24px 20px}.auth-header h1{font-size:22px}.form-group{gap:6px}}@media (prefers-color-scheme:dark){:root{--bg-card:#1e293bf2;--bg-input:#334155;--bg-hover:#475569;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-light:#64748b}.form-group input{border-color:#475569;color:#1e293b;color:var(--text-primary)}.form-group input:focus{background:#1e293b}.auth-toggle{border-color:#334155}}@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.btn-back:focus-visible,.btn-submit:focus-visible,.form-group input:focus-visible,.toggle-link:focus-visible,.toggle-password:focus-visible{outline:3px solid #667eea;outline:3px solid var(--primary-color);outline-offset:2px}@media print{.auth-container:after,.auth-container:before,.btn-back{display:none}.auth-card{border:1px solid #ccc;box-shadow:none}}
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