:root{--primary:#6366f1;--primary-dark:#4f46e5;--secondary:#f59e0b;--accent:#8b5cf6;--success:#10b981;--warning:#f59e0b;--error:#ef4444;--gray-50:#f9fafb;--gray-100:#f3f4f6;--gray-200:#e5e7eb;--gray-300:#d1d5db;--gray-400:#9ca3af;--gray-500:#6b7280;--gray-600:#4b5563;--gray-700:#374151;--gray-800:#1f2937;--gray-900:#111827;--font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-size-xs:.75rem;--font-size-sm:.875rem;--font-size-base:1rem;--font-size-lg:1.125rem;--font-size-xl:1.25rem;--font-size-2xl:1.5rem;--font-size-3xl:1.875rem;--font-size-4xl:2.25rem;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--space-20:5rem;--space-24:6rem;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d;--shadow-xl:0 20px 25px -5px #0000001a, 0 10px 10px -5px #0000000a;--radius-sm:.375rem;--radius-md:.5rem;--radius-lg:.75rem;--radius-xl:1rem;--radius-2xl:1.5rem;--transition-fast:.15s ease-in-out;--transition-normal:.25s ease-in-out;--transition-slow:.35s ease-in-out}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);color:var(--gray-800);background-color:#fff;line-height:1.6}.faq-page{background:radial-gradient(circle at top,#6366f10f,#0000 55%),radial-gradient(circle at bottom,#0f172a0a,#0000 50%)}.faq-hero{padding:var(--space-16) 0 var(--space-10);text-align:left}.faq-eyebrow{font-size:var(--font-size-sm);letter-spacing:.12em;text-transform:uppercase;color:var(--primary);margin-bottom:var(--space-2);font-weight:600}.faq-hero h1{letter-spacing:-.03em;color:var(--gray-900);margin-bottom:var(--space-3);font-size:clamp(2.2rem,3vw,2.7rem);font-weight:800}.faq-hero-subtitle{max-width:640px;font-size:var(--font-size-lg);color:var(--gray-600)}.faq-section{padding-bottom:var(--space-20)}.faq-layout{gap:var(--space-8);grid-template-columns:minmax(0,1.2fr) minmax(0,1.6fr);align-items:flex-start;display:grid}.faq-intro-card{border-radius:var(--radius-2xl);padding:var(--space-8);box-shadow:var(--shadow-xl);background:#fff;border:1px solid #94a3b847}.faq-intro-card h2{font-size:var(--font-size-2xl);margin-bottom:var(--space-3)}.faq-intro-card p{color:var(--gray-600);margin-bottom:var(--space-4)}.faq-intro-card ul{margin-bottom:var(--space-4);padding-left:0;list-style:none}.faq-intro-card li{align-items:center;gap:var(--space-2);color:var(--gray-700);font-size:var(--font-size-sm);display:flex}.faq-intro-card li:before{content:"✔";color:var(--success);font-size:.9rem}.faq-highlight-box{margin-top:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--radius-lg);font-size:var(--font-size-sm);color:var(--gray-700);background:#4f46e50a;border:1px dashed #4f46e566}.faq-highlight-box a{color:var(--primary-dark);font-weight:600;text-decoration:none}.faq-highlight-box a:hover{text-decoration:underline}.faq-list{gap:var(--space-4);flex-direction:column;display:flex}.faq-item{border-radius:var(--radius-2xl);padding:var(--space-5);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);background:#ffffffe6;border:1px solid #94a3b84d;box-shadow:0 16px 40px #0f172a1f}.faq-item:hover{background:#fff;border-color:#6366f1b3;transform:translateY(-3px);box-shadow:0 20px 55px #0f172a2e}.faq-question-row{align-items:baseline;gap:var(--space-3);margin-bottom:var(--space-2);display:flex}.faq-q-label{background:linear-gradient(135deg, var(--primary), var(--accent));color:#fff;width:32px;height:32px;font-size:var(--font-size-sm);border-radius:999px;justify-content:center;align-items:center;font-weight:700;display:inline-flex}.faq-item h2{font-size:var(--font-size-xl);color:var(--gray-900);font-weight:700}.faq-answer{margin-top:var(--space-1);color:var(--gray-600);font-size:var(--font-size-base)}.faq-answer strong{color:var(--gray-800)}@media (max-width:960px){.faq-hero{padding:var(--space-12) 0 var(--space-8);text-align:left}.faq-layout{grid-template-columns:minmax(0,1fr)}.faq-intro-card{padding:var(--space-5)}}@media (max-width:640px){.faq-hero h1{font-size:1.9rem}.faq-intro-card,.faq-item{border-radius:var(--radius-xl);padding:var(--space-4)}}.navbar{z-index:50;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#fff9;border-bottom:1px solid #94a3b840;position:sticky;top:0;box-shadow:0 12px 30px #0f172a2e}.navbar-inner{justify-content:space-between;align-items:center;gap:var(--space-6);padding:calc(var(--space-4) * 1.2) 0;min-height:72px;display:flex}.navbar-left{align-items:center;gap:var(--space-6);display:flex}.navbar-logo{align-items:center;gap:var(--space-2);text-decoration:none;display:flex}.navbar-logo-img{width:80px;height:80px;box-shadow:none;background:0 0;border-radius:8px}.navbar-logo-text{font-weight:700;font-size:var(--font-size-base);color:var(--gray-900);letter-spacing:.03em}.desktop-only{display:flex}.mobile-only,.navbar-menu-toggle,.mobile-nav-panel{display:none}.navbar-links{align-items:center;gap:var(--space-4);display:flex}.navbar-links a{color:var(--gray-600);font-size:var(--font-size-sm);font-weight:500;text-decoration:none}.navbar-links a:hover{color:var(--primary)}.navbar-right{justify-content:flex-end;align-items:center;gap:var(--space-4);display:flex}.navbar-btn{font-size:var(--font-size-sm);cursor:pointer;transition:all var(--transition-fast);border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;padding:.45rem 1.15rem;font-weight:600;line-height:1;display:inline-flex}.navbar-btn.ghost{color:var(--gray-700);background:0 0;border-color:#94a3b8cc}.navbar-btn.ghost:hover{background:#94a3b826}.navbar-btn.primary{background:var(--primary);color:#fff;border-color:#0000;box-shadow:0 10px 25px #6366f159}.navbar-btn.primary:hover{background:var(--primary-dark);transform:translateY(-1px)}@media (max-width:768px){.navbar-inner{align-items:stretch;row-gap:var(--space-2);padding:var(--space-3) 0;flex-direction:column}.navbar-left{justify-content:space-between;gap:var(--space-3)}.navbar-right{justify-content:flex-start;gap:var(--space-2);flex-wrap:wrap}.navbar-logo-img{width:56px;height:56px}.navbar-logo-text{font-size:.95rem}}@media (max-width:480px){.container{padding:0 var(--space-3)}.navbar-inner{row-gap:var(--space-2)}.navbar-left{flex-direction:row;align-items:center}.navbar-links{justify-content:center;gap:var(--space-3);font-size:var(--font-size-xs)}.navbar-right{justify-content:center;gap:var(--space-2)}.navbar-btn{font-size:var(--font-size-xs);padding:.4rem .9rem}.navbar-logo-img{width:64px;height:64px}.navbar-logo-text{font-size:.9rem}}@media (max-width:768px){.desktop-only{display:none}.mobile-only{display:inline-flex}.navbar-menu-toggle{cursor:pointer;background:#0f172a0a;border:none;border-radius:999px;flex-direction:column;justify-content:center;align-items:center;gap:.18rem;padding:.4rem .6rem;display:inline-flex}.navbar-menu-toggle span{background:#0f172ad9;border-radius:999px;width:18px;height:2px}.mobile-nav-panel{top:100%;left:var(--space-3);right:var(--space-3);border-radius:var(--radius-2xl);transform-origin:top;transition:transform var(--transition-normal);z-index:60;padding:var(--space-5) var(--space-4);gap:var(--space-6);background:#fff;flex-direction:column;display:flex;position:absolute;transform:scaleY(0);box-shadow:0 16px 35px #0f172a40}.mobile-nav-panel.open{display:flex;transform:scaleY(1)}.mobile-nav-links{gap:var(--space-3);font-size:var(--font-size-base);flex-direction:column;display:flex}.mobile-nav-links a{color:var(--gray-800);text-decoration:none}.mobile-nav-links a:hover{color:var(--primary)}.mobile-nav-actions{gap:var(--space-3);flex-direction:column;display:flex}.mobile-nav-actions .navbar-btn{justify-content:center;width:100%}}h1,h2,h3,h4,h5,h6{color:var(--gray-900);font-weight:600;line-height:1.2}h1{font-size:var(--font-size-4xl)}h2{font-size:var(--font-size-3xl)}h3{font-size:var(--font-size-2xl)}h4{font-size:var(--font-size-xl)}.container{max-width:1280px;padding:0 var(--space-5);margin:0 auto}.hero{text-align:center;padding:var(--space-20) 0 var(--space-16);color:#e5e7eb;background:radial-gradient(circle at top,#0b1120 0%,#020617 40% 100%);position:relative;overflow:hidden}.hero h1{margin-bottom:var(--space-6);color:#fff}.hero p{font-size:var(--font-size-xl);color:var(--gray-300);margin-bottom:var(--space-8)}.hero-actions{gap:var(--space-4);margin-bottom:var(--space-4);flex-wrap:wrap;justify-content:center;display:flex}.hero-actions .btn{min-width:180px}.hero-meta{justify-content:center;gap:var(--space-4);font-size:var(--font-size-sm);color:var(--gray-400);flex-wrap:wrap;display:flex}.hero-with-rays{padding-top:var(--space-24);padding-bottom:var(--space-20)}.hero-content{z-index:2;position:relative}.hero-rays-wrapper{z-index:1;pointer-events:none;position:absolute;inset:0}.light-rays-canvas{width:100%;height:100%;position:absolute;inset:0}@media (max-width:768px){.hero-with-rays{padding-top:var(--space-16);padding-bottom:var(--space-12)}}.stats-band{color:#fff;padding:var(--space-1) 0;background:linear-gradient(90deg,#7c3aed,#ec4899,#f97316)}.logo-loop-root{position:relative;overflow:hidden}.logo-loop-track{align-items:center;gap:var(--logo-loop-gap,64px);animation:logo-loop var(--logo-loop-duration,30s) linear infinite;display:flex}.logo-loop-item{align-items:center;gap:var(--space-3);white-space:nowrap;min-width:260px;padding:0;display:flex}.logo-loop-icon{font-size:1.3rem}.logo-loop-text-title{font-weight:700;font-size:var(--font-size-sm);line-height:1.2}.logo-loop-text-subtitle{font-size:var(--font-size-xs);opacity:.9;line-height:1.2}@keyframes logo-loop{0%{transform:translate(0)}to{transform:translate(-50%)}}.courses-section{padding:var(--space-16) 0}.section-title{text-align:center;margin-bottom:var(--space-12)}.course-grid{gap:var(--space-8);margin-bottom:var(--space-16);grid-template-columns:repeat(auto-fit,minmax(300px,1fr));display:grid}.about-page{background:#f9fafb;min-height:100vh}.about-hero{padding:var(--space-12) 0 var(--space-6);border-bottom:1px solid var(--gray-200);background:#fff}.about-hero-subtitle{max-width:640px;margin:var(--space-2) auto 0;color:var(--gray-600);font-size:var(--font-size-lg)}.about-section{padding:var(--space-8) 0 var(--space-16)}.about-grid{gap:var(--space-8);grid-template-columns:minmax(0,1.3fr) minmax(0,1.3fr);display:grid}.about-block{border-radius:var(--radius-2xl);padding:var(--space-6);box-shadow:var(--shadow-sm);background:#fff}.about-block h2{font-size:var(--font-size-xl);margin-bottom:var(--space-3)}.about-block p{color:var(--gray-700);margin-bottom:var(--space-3);line-height:1.7}.about-block ul{color:var(--gray-700);padding-left:0;list-style:none}.about-block ul li{padding-left:var(--space-4);margin-bottom:var(--space-2);position:relative}.about-block ul li:before{content:"•";color:var(--primary);position:absolute;left:0}.about-disclaimer{grid-column:1/-1}.about-disclaimer h2{color:var(--error)}@media (max-width:768px){.about-hero{padding:var(--space-8) 0 var(--space-4)}.about-grid{grid-template-columns:1fr}}.contact-page{background:#f9fafb;min-height:100vh}.contact-hero{padding:var(--space-12) 0 var(--space-6);border-bottom:1px solid var(--gray-200);background:#fff}.contact-hero-subtitle{max-width:640px;margin:var(--space-2) auto 0;color:var(--gray-600);font-size:var(--font-size-lg)}.contact-section{padding:var(--space-8) 0 var(--space-16)}.contact-grid{gap:var(--space-8);grid-template-columns:minmax(0,1.6fr) repeat(2,minmax(0,1fr));display:grid}.contact-card{border-radius:var(--radius-2xl);padding:var(--space-6);box-shadow:var(--shadow-sm);background:#fff}.contact-card h2{font-size:var(--font-size-xl);margin-bottom:var(--space-3)}.contact-card p{color:var(--gray-700);line-height:1.7}@media (max-width:768px){.contact-hero{padding:var(--space-8) 0 var(--space-4)}.contact-grid{grid-template-columns:1fr}}.policy-page{background:#f9fafb;min-height:100vh}.policy-hero{padding:var(--space-12) 0 var(--space-6);border-bottom:1px solid var(--gray-200);background:#fff}.policy-hero-subtitle{max-width:720px;margin:var(--space-2) auto 0;color:var(--gray-600);font-size:var(--font-size-lg)}.policy-section{padding:var(--space-8) 0 var(--space-16)}.policy-content{max-width:800px}.policy-content h2{font-size:var(--font-size-2xl);margin-bottom:var(--space-2)}.policy-content h3{font-size:var(--font-size-xl);margin-top:var(--space-6);margin-bottom:var(--space-2)}.policy-content h4{font-size:var(--font-size-lg);margin-top:var(--space-4);margin-bottom:var(--space-1)}.policy-meta{color:var(--gray-500);margin-bottom:var(--space-4)}.policy-content p{color:var(--gray-700);margin-bottom:var(--space-3);line-height:1.7}.policy-content ul{padding-left:var(--space-5);margin-bottom:var(--space-3);color:var(--gray-700)}.policy-content li{margin-bottom:var(--space-1)}.policy-content hr{border:none;border-top:1px solid var(--gray-200);margin:var(--space-6) 0}@media (max-width:768px){.policy-hero{padding:var(--space-8) 0 var(--space-4)}}.course-card-wrapper{position:relative}.course-card{border:1px solid var(--gray-200);background:#fff;border-radius:20px;flex-direction:column;height:100%;text-decoration:none;transition:all .3s;display:flex;overflow:hidden;box-shadow:0 4px 20px #00000014}.course-card:hover{border-color:var(--primary);transform:translateY(-8px);box-shadow:0 12px 40px #667eea33}.course-hover-panel{border-radius:var(--radius-2xl);width:320px;max-width:90vw;padding:var(--space-5);opacity:0;pointer-events:none;transition:opacity var(--transition-normal), transform var(--transition-normal);z-index:10;background:#fff;position:absolute;top:8px;left:-12px;transform:translate(-100%);box-shadow:0 24px 55px #0f172a40}.course-card-wrapper:hover .course-hover-panel{opacity:1;transform:translate(-105%)}.course-hover-panel.course-hover-panel-right{left:auto;right:-12px;transform:translate(100%)}.course-card-wrapper:hover 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#0000004d;text-align:center;z-index:1;word-wrap:break-word;overflow-wrap:break-word;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);justify-content:center;align-items:center;width:100%;height:220px;min-height:220px;padding:32px 24px;font-size:20px;font-weight:700;line-height:1.3;display:flex;position:relative;overflow:hidden}.course-thumbnail-icon{z-index:2;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:relative}.course-thumbnail-icon svg{width:120px;max-width:100%;height:120px;max-height:100%}.course-thumbnail-image{object-fit:cover;z-index:1;width:100%;height:100%;position:absolute;top:0;left:0}.course-image:before{content:"";z-index:0;background:radial-gradient(circle,#ffffff26 0%,#0000 70%);border-radius:50%;width:300px;height:300px;position:absolute;top:-50%;right:-20%}.course-image:after{content:"";z-index:0;background:radial-gradient(circle,#ffffff1a 0%,#0000 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var(--gray-200);margin-top:var(--space-2);justify-content:space-between;align-items:center;display:flex}.course-price{font-size:var(--font-size-xl);color:var(--gray-900);letter-spacing:-.5px;font-weight:700}.view-details{color:#fff;cursor:pointer;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border:none;border-radius:10px;padding:12px 24px;font-size:14px;font-weight:600;text-decoration:none;transition:all .2s;display:inline-block;box-shadow:0 4px 12px #667eea4d}.view-details:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}@media (max-width:768px){.hero{padding:var(--space-12) 0 var(--space-8)}.hero h1{font-size:var(--font-size-3xl)}.hero p{font-size:var(--font-size-base)}.course-grid{gap:var(--space-6);grid-template-columns:1fr}}.all-courses-page{background:linear-gradient(#f8fafc 0%,#fff 100%);min-height:100vh}.all-courses-hero{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);padding:48px 0 32px;position:relative;overflow:hidden}.all-courses-hero:before{content:"";background:radial-gradient(circle,#ffffff1a 0%,#0000 70%);border-radius:50%;width:600px;height:600px;position:absolute;top:-50%;right:-10%}.all-courses-hero:after{content:"";background:radial-gradient(circle,#ffffff14 0%,#0000 70%);border-radius:50%;width:500px;height:500px;position:absolute;bottom:-30%;left:-5%}.all-courses-header{z-index:1;margin-bottom:32px;position:relative}.all-courses-header-content{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:32px;display:flex}.all-courses-title{color:#fff;text-shadow:0 2px 20px #0003;align-items:center;gap:16px;margin:0 0 12px;font-size:clamp(2rem,5vw,3rem);font-weight:800;display:flex}.all-courses-subtitle{color:#fffffff2;margin:0;font-size:clamp(1rem,2.5vw,1.25rem);line-height:1.6}.all-courses-stats{flex-wrap:wrap;gap:16px;display:flex}.all-course-stat-card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff26;border:1px solid #fff3;border-radius:16px;align-items:center;gap:12px;min-width:120px;padding:16px 24px;transition:all .3s;display:flex}.all-course-stat-card:hover{background:#ffffff40;transform:translateY(-2px);box-shadow:0 8px 24px #00000026}.all-courses-filters-enhanced{z-index:1;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-top:32px;display:grid;position:relative}.filter-group-enhanced{flex-direction:column;gap:8px;display:flex}.filter-label{color:#fffffff2;text-transform:uppercase;letter-spacing:.5px;align-items:center;gap:8px;font-size:14px;font-weight:600;display:flex}.filter-icon{font-size:16px}.filter-input,.filter-select{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#fff;background:#ffffff26;border:2px solid #fff3;border-radius:12px;outline:none;padding:12px 16px;font-size:14px;transition:all .2s}.filter-input::placeholder{color:#ffffffb3}.filter-input:focus,.filter-select:focus{background:#fff3;border-color:#fff6;box-shadow:0 4px 12px #0000001a}.filter-select option{color:#fff;background:#667eea}.all-courses-list-section{background:linear-gradient(#fff 0%,#f8fafc 100%);padding:48px 0 80px}.course-grid{grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:32px;display:grid}.all-courses-list{gap:var(--space-4);flex-direction:column;display:flex}.all-course-card{justify-content:space-between;gap:var(--space-4);padding:var(--space-4);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);background:#fff;display:flex}.all-course-title{font-size:var(--font-size-xl);margin-bottom:var(--space-1)}.all-course-provider{font-size:var(--font-size-sm);color:var(--gray-500);margin-bottom:var(--space-2)}.all-course-description{font-size:var(--font-size-sm);color:var(--gray-600);margin-bottom:var(--space-3)}.all-course-meta-row{gap:var(--space-4);font-size:var(--font-size-sm);color:var(--gray-500);flex-wrap:wrap;display:flex}.all-course-compare-btn{padding:var(--space-1) var(--space-3);border-radius:var(--radius-lg);border:1px solid var(--gray-300);font-size:var(--font-size-xs);cursor:pointer;background:#fff}.all-course-side{justify-content:space-between;align-items:flex-end;gap:var(--space-2);flex-direction:column;min-width:120px;display:flex}.all-course-price{font-size:var(--font-size-xl);font-weight:700}.all-course-rating{font-size:var(--font-size-sm);color:var(--gray-500)}@media (max-width:768px){.all-course-card{flex-direction:column;align-items:flex-start}.all-course-side{align-items:flex-start}}@media (min-width:769px) and (max-width:1024px){.course-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width:1025px){.course-grid{grid-template-columns:repeat(3,1fr)}}.site-footer{border-top:1px solid var(--gray-200);padding:var(--space-4) 0;background:#fff}.site-footer-inner{justify-content:space-between;align-items:center;gap:var(--space-6);font-size:var(--font-size-sm);color:var(--gray-500);display:flex}.site-footer-brand{align-items:center;gap:var(--space-2);display:flex}.site-footer-logo-img{width:64px;height:64px;box-shadow:none;background:0 0;border-radius:8px}.site-footer-brand-text{color:var(--gray-700);font-weight:600}.site-footer-links{gap:var(--space-4);flex-wrap:wrap;display:flex}.site-footer-links a{color:var(--gray-600);text-decoration:none}.site-footer-links a:hover{color:var(--primary)}.site-footer-lang select{padding:var(--space-1) var(--space-3);border-radius:var(--radius-lg);border:1px solid var(--gray-300);font-size:var(--font-size-sm)}@media (max-width:768px){.site-footer-inner{flex-direction:column;align-items:flex-start}}.cart-page{background:#f9fafb;min-height:100vh}.cart-section{padding:var(--space-8) 0 var(--space-16)}.cart-layout{justify-content:space-between;align-items:flex-start;gap:var(--space-8);display:flex}.cart-main h1{font-size:var(--font-size-3xl);margin-bottom:var(--space-2)}.cart-subtitle{color:var(--gray-600)}.cart-summary{border-radius:var(--radius-2xl);min-width:260px;max-width:320px;box-shadow:var(--shadow-md);padding:var(--space-5);gap:var(--space-3);background:#fff;flex-direction:column;margin-left:auto;display:flex}.cart-summary-label{font-size:var(--font-size-sm);color:var(--gray-600)}.cart-summary-total{font-size:var(--font-size-2xl);font-weight:700}.cart-checkout-btn{margin-top:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);color:#fff;cursor:pointer;background:#f97373;border:none;font-weight:600}@media (max-width:768px){.cart-layout{flex-direction:column}.cart-summary{width:100%;max-width:none}}.checkout-page{background:radial-gradient(circle at top,#e0e7ff 0,#f9fafb 40% 100%);min-height:100vh}.checkout-progress-bar{background:linear-gradient(90deg, var(--primary), var(--accent));width:100%;height:4px}.checkout-section{padding:var(--space-10) 0 var(--space-16)}.checkout-layout{gap:var(--space-8);grid-template-columns:minmax(0,2fr) minmax(0,1.2fr);align-items:flex-start;display:grid}.checkout-main{gap:var(--space-6);flex-direction:column;display:flex}.checkout-header-row{justify-content:space-between;align-items:center;gap:var(--space-4);display:flex}.checkout-title{font-size:var(--font-size-3xl);margin-bottom:var(--space-2)}.checkout-step-chip{padding:var(--space-1) var(--space-3);color:var(--primary-dark);font-size:var(--font-size-sm);background:#4f46e514;border-radius:999px;font-weight:600}.checkout-subtitle{color:var(--gray-600);margin-bottom:var(--space-2)}.checkout-trust-row{gap:var(--space-4);font-size:var(--font-size-sm);color:var(--gray-500);flex-wrap:wrap;display:flex}.checkout-card{border-radius:var(--radius-2xl);padding:var(--space-6);gap:var(--space-4);background:#fff;flex-direction:column;display:flex;box-shadow:0 18px 45px #0f172a1f}.checkout-card h2{font-size:var(--font-size-lg)}.checkout-field-row{gap:var(--space-4);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.checkout-field{gap:var(--space-2);flex-direction:column;display:flex}.checkout-field label{font-size:var(--font-size-sm);color:var(--gray-700);font-weight:500}.checkout-field input{padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);border:1px solid var(--gray-300);font-size:var(--font-size-base)}.checkout-field input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #6366f126}.checkout-summary{position:sticky;top:100px}.checkout-summary-card{border-radius:var(--radius-2xl);padding:var(--space-6);background:#fff;box-shadow:0 18px 45px #0f172a1f}.checkout-summary-card h2{font-size:var(--font-size-lg);margin-bottom:var(--space-4)}.checkout-course{gap:var(--space-4);margin-bottom:var(--space-4);display:flex}.checkout-course-image{border-radius:var(--radius-lg);background:linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);color:#fff;width:72px;height:72px;font-size:var(--font-size-sm);justify-content:center;align-items:center;font-weight:600;display:flex}.checkout-course-title{color:var(--gray-900);font-weight:600}.checkout-course-meta{font-size:var(--font-size-sm);color:var(--gray-500)}.checkout-price-row{font-size:var(--font-size-base);color:var(--gray-700);margin-bottom:var(--space-2);justify-content:space-between;align-items:center;display:flex}.checkout-total{margin-top:var(--space-3);padding-top:var(--space-3);border-top:1px solid var(--gray-200);font-weight:700}.checkout-discount{color:var(--success)}.checkout-pay-btn{width:100%;margin-top:var(--space-4);padding:var(--space-4) var(--space-6);border-radius:var(--radius-lg);background:var(--primary);color:#fff;font-size:var(--font-size-lg);cursor:pointer;transition:all var(--transition-fast);border:none;font-weight:600}.checkout-pay-btn:hover{background:var(--primary-dark);box-shadow:var(--shadow-lg);transform:translateY(-1px)}.checkout-note{margin-top:var(--space-3);font-size:var(--font-size-sm);color:var(--gray-500);text-align:center}@media (max-width:768px){.checkout-layout{grid-template-columns:1fr}.checkout-summary{position:static}}.auth-page{background:radial-gradient(circle at top,#e0e7ff 0,#f9fafb 45% 100%);min-height:100vh}.auth-hero{padding:var(--space-10) 0 var(--space-4);text-align:center}.auth-hero-subtitle{max-width:640px;margin:var(--space-2) auto 0;color:var(--gray-600)}.auth-section{padding:var(--space-6) 0 var(--space-16)}.auth-layout{gap:var(--space-6);grid-template-columns:repeat(auto-fit,minmax(280px,1fr));display:grid}.auth-single{max-width:640px}.auth-card{border-radius:var(--radius-2xl);box-shadow:var(--shadow-md);padding:var(--space-6);background:#fff}.auth-card-subtitle{color:var(--gray-600);margin-top:var(--space-1);margin-bottom:var(--space-4)}.auth-form{gap:var(--space-4);flex-direction:column;display:flex}.auth-field{gap:var(--space-2);flex-direction:column;display:flex}.auth-field label{font-size:var(--font-size-sm);color:var(--gray-700);font-weight:500}.auth-field input{padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);border:1px solid var(--gray-300);font-size:var(--font-size-base)}.auth-field input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #6366f126}.auth-field-grid{gap:var(--space-4);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.auth-primary-btn{width:100%;padding:var(--space-3) var(--space-4);border-radius:var(--radius-lg);background:var(--primary);color:#fff;font-weight:600;font-size:var(--font-size-base);cursor:pointer;transition:background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);border:none}.auth-primary-btn:hover{background:var(--primary-dark);box-shadow:var(--shadow-md);transform:translateY(-1px)}.auth-secondary-btn{width:100%;margin-top:var(--space-2);padding:var(--space-3) var(--space-4);border-radius:var(--radius-lg);border:1px solid var(--gray-300);color:var(--gray-800);font-weight:500;font-size:var(--font-size-sm);cursor:pointer;transition:background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);background:#f9fafb}.auth-secondary-btn:hover{border-color:var(--primary);box-shadow:var(--shadow-sm);background:#eef2ff;transform:translateY(-1px)}.auth-links-row{margin-top:var(--space-3)}.auth-links-row a{font-size:var(--font-size-sm);color:var(--primary);text-decoration:none}.auth-links-row a:hover{text-decoration:underline}.auth-switch-text{margin-top:var(--space-3);font-size:var(--font-size-sm);color:var(--gray-600)}.auth-switch-text a{color:var(--primary);font-weight:500;text-decoration:none}.auth-switch-text a:hover{text-decoration:underline}@media (max-width:768px){.auth-hero{padding:var(--space-8) 0 var(--space-2)}.auth-layout{grid-template-columns:1fr}}.breadcrumbs{padding:var(--space-4) 0;background:var(--gray-50)}.breadcrumbs-content{align-items:center;gap:var(--space-2);font-size:var(--font-size-sm);color:var(--gray-600);display:flex}.breadcrumbs a{color:var(--gray-600);transition:color var(--transition-fast);text-decoration:none}.breadcrumbs a:hover{color:var(--primary)}.breadcrumb-separator{color:var(--gray-400)}.course-hero{padding:var(--space-6) 0 var(--space-4);background:#0f172a}.course-hero-content{gap:var(--space-12);grid-template-columns:minmax(0,2fr) minmax(0,1.1fr);align-items:start;display:grid}.course-header{margin-bottom:var(--space-8)}.course-title{font-size:var(--font-size-4xl);margin-bottom:var(--space-4);color:#f9fafb;line-height:1.2}.course-subtitle{font-size:var(--font-size-xl);color:var(--gray-300);margin-bottom:var(--space-6);line-height:1.4}.course-stats{align-items:center;gap:var(--space-6);margin-bottom:var(--space-6);color:var(--gray-200);flex-wrap:wrap;display:flex}.stat-item{align-items:center;gap:var(--space-2);font-size:var(--font-size-sm);color:var(--gray-300);display:flex}.rating-large{align-items:center;gap:var(--space-2);display:flex}.stars-large{color:var(--warning);font-size:var(--font-size-lg)}.badge{color:#e5e7eb;padding:var(--space-1) var(--space-3);border-radius:var(--radius-md);font-size:var(--font-size-xs);text-transform:uppercase;letter-spacing:.05em;background:#94a3b833;font-weight:500}.badge-success{background:var(--success);color:#022c22}.buy-box{border-radius:var(--radius-2xl);box-shadow:var(--shadow-xl);background:#fff;position:sticky;top:100px;overflow:hidden}.buy-box-image{background:linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);color:#fff;height:200px;font-size:var(--font-size-2xl);justify-content:center;align-items:center;font-weight:600;display:flex;position:relative}.play-overlay{cursor:pointer;width:60px;height:60px;transition:all var(--transition-normal);background:#ffffffe6;border-radius:50%;justify-content:center;align-items:center;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.play-overlay:hover{background:#fff;transform:translate(-50%,-50%)scale(1.1)}.play-icon{border-left:15px solid var(--primary);border-top:10px solid #0000;border-bottom:10px solid #0000;width:0;height:0;margin-left:3px}.buy-box-content{padding:var(--space-6)}.price-section{margin-bottom:var(--space-6)}.current-price{font-size:var(--font-size-3xl);color:var(--gray-900);margin-bottom:var(--space-2);font-weight:700}.original-price{color:var(--gray-500);font-size:var(--font-size-lg);margin-right:var(--space-2);text-decoration:line-through}.discount-badge{background:var(--error);color:#fff;padding:var(--space-1) var(--space-2);border-radius:var(--radius-sm);font-size:var(--font-size-xs);font-weight:600}.action-buttons{gap:var(--space-3);margin-bottom:var(--space-6);flex-direction:column;display:flex}.btn{padding:var(--space-4) var(--space-6);border-radius:var(--radius-lg);font-size:var(--font-size-base);text-align:center;cursor:pointer;transition:all 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var(--gray-100);justify-content:space-between;align-items:center;display:flex}.lesson-item:last-child{border-bottom:none}.lesson-info{align-items:center;gap:var(--space-2);display:flex}.lesson-duration{color:var(--gray-500);font-size:var(--font-size-sm)}.student-feedback{gap:var(--space-8);grid-template-columns:1fr 2.5fr;align-items:center;display:grid}.feedback-summary{align-items:center;gap:var(--space-2);flex-direction:column;display:flex}.feedback-score{color:var(--gray-900);font-size:4rem;font-weight:700;line-height:1}.feedback-stars{align-items:center;gap:var(--space-1);flex-direction:column;display:flex}.feedback-average-label{font-size:var(--font-size-sm);color:var(--gray-600)}.feedback-bars{gap:var(--space-2);flex-direction:column;display:flex}.feedback-row{align-items:center;gap:var(--space-2);font-size:var(--font-size-sm);grid-template-columns:auto 1fr 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8px;font-size:clamp(1.75rem,5vw,2.5rem);font-weight:700}.course-videos-subtitle{opacity:.95;color:#ffffffe6;margin:0;font-size:clamp(.875rem,2.5vw,1.125rem)}.course-videos-stats{gap:24px;display:flex}.stat-item{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff26;border:1px solid #fff3;border-radius:12px;flex-direction:column;align-items:center;gap:4px;padding:12px 20px;display:flex}.stat-value{color:#fff;font-size:24px;font-weight:700}.stat-label{opacity:.9;text-transform:uppercase;letter-spacing:.5px;font-size:12px}.course-videos-layout{grid-template-columns:1fr 380px;gap:32px;display:grid}.course-videos-player{min-width:0}.video-player-container{background:#000;border-radius:16px;margin-bottom:24px;position:relative;overflow:hidden;box-shadow:0 20px 60px #0000004d}.enhanced-video-player{border-radius:16px;overflow:hidden}.video-placeholder{aspect-ratio:16/9;color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 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24px;font-size:16px}.error-retry-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border:none;border-radius:10px;padding:12px 24px;font-size:14px;font-weight:600;transition:all .2s;box-shadow:0 4px 12px #667eea4d}.error-retry-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}@media (max-width:768px){.my-courses-hero{padding:32px 0}.my-courses-header-content{flex-direction:column;gap:24px}.my-courses-stats{justify-content:space-between;width:100%}.my-course-stat-card{flex:1;min-width:0;padding:12px 16px}.stat-icon-wrapper{width:40px;height:40px}.stat-icon{font-size:20px}.stat-value{font-size:24px}.my-courses-grid{grid-template-columns:1fr;gap:24px}.my-courses-list-section{padding:32px 0}.course-header-gradient{flex-direction:column;align-items:flex-start;gap:12px;padding:24px 20px}.my-course-card-body{padding:20px}.my-course-actions{flex-direction:column}.my-course-btn{width:100%}.course-hero{padding:32px 0 24px}.course-hero-content{grid-template-columns:1fr;gap:24px}.buy-box{margin-top:24px;position:static}.course-title{font-size:2rem}.student-feedback{grid-template-columns:1fr;gap:24px}.feedback-summary{padding:24px}.feedback-score{font-size:48px}.content-section{margin-bottom:24px;padding:20px}.section-title{font-size:22px}.learning-grid{grid-template-columns:1fr}.accordion-header{padding:16px}.accordion-content{padding:16px!important}}@media (max-width:480px){.course-hero{padding:24px 0 20px}.course-title{font-size:1.75rem}.course-subtitle{font-size:1rem}.content-section{padding:16px}.section-title{margin-bottom:16px;font-size:20px}.feedback-summary{padding:20px}.feedback-score{font-size:40px}.my-courses-hero{padding:24px 0}.my-courses-title,.title-icon{font-size:1.75rem}.my-courses-stats{flex-direction:column;gap:12px}.my-course-stat-card{width:100%}.my-courses-grid{gap:20px}.course-header-gradient{padding:20px 16px}.my-course-card-body{gap:16px;padding:16px}}@media (max-width:768px){.all-courses-hero{padding:32px 0 24px}.all-courses-header-content{flex-direction:column;gap:24px}.all-courses-stats{justify-content:space-between;width:100%}.all-course-stat-card{flex:1;min-width:0;padding:12px 16px}.all-courses-filters-enhanced{grid-template-columns:1fr;gap:16px}.course-grid{grid-template-columns:1fr;gap:24px}.all-courses-list-section{padding:32px 0}}@media (max-width:480px){.all-courses-hero{padding:24px 0 20px}.all-courses-title,.title-icon{font-size:1.75rem}.all-courses-stats{flex-direction:column;gap:12px}.all-course-stat-card{width:100%}.course-grid{gap:20px}}