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1.25rem;font-size:.9rem}.achievement-item{padding:.875rem;font-size:.9rem}.courses-taught-card,.reviews-summary-card{padding:1.5rem}.sidebar-heading-teacher{font-size:1.125rem}.rating-large{font-size:2.5rem}.course-taught-item{padding:1rem}.course-taught-title{font-size:.95rem}}:root{--primary: #2563eb;--primary-dark: #1e40af;--primary-light: #3b82f6;--accent: #2563eb;--accent-dark: #1e40af;--accent-light: #3b82f6;--success: #2563eb;--info: #3b82f6;--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;--white: #ffffff;--black: #000000;--gradient-primary: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);--gradient-accent: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);--gradient-success: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1);--shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, .25);--transition-fast: .15s ease-in-out;--transition-base: .3s ease-in-out;--transition-slow: .5s ease-in-out}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:16px;line-height:1.6;color:var(--gray-900);background:var(--white);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}.container{width:100%;max-width:1280px;margin:0 auto;padding:0 2rem}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;color:var(--gray-900)}h1{font-size:clamp(2.5rem,5vw,4rem)}h2{font-size:clamp(2rem,4vw,3rem)}h3{font-size:clamp(1.5rem,3vw,2rem)}h4{font-size:clamp(1.25rem,2vw,1.5rem)}p{line-height:1.7;color:var(--gray-600)}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:1rem 2rem;font-size:1rem;font-weight:600;text-decoration:none;border-radius:.75rem;cursor:pointer;border:none;transition:all var(--transition-base);white-space:nowrap}.btn-primary{background:var(--primary);color:var(--white);box-shadow:0 4px 14px #2563eb4d}.btn-primary:hover{background:var(--primary-dark);box-shadow:0 6px 20px #2563eb66;transform:translateY(-2px)}.btn-secondary{background:var(--accent);color:var(--white);box-shadow:0 4px 14px #f59e0b4d}.btn-secondary:hover{background:var(--accent-dark);box-shadow:0 6px 20px #f59e0b66;transform:translateY(-2px)}.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}.btn-outline:hover{background:var(--primary);color:var(--white)}.card{background:var(--white);border-radius:1rem;padding:2rem;box-shadow:var(--shadow-lg);transition:all var(--transition-base)}.card:hover{box-shadow:var(--shadow-2xl);transform:translateY(-5px)}.gradient-text{background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.section{padding:6rem 0}.section-header{text-align:center;margin-bottom:4rem}.section-title{font-size:clamp(2rem,4vw,3rem);font-weight:800;margin-bottom:1rem}.section-subtitle{font-size:1.125rem;color:var(--gray-600);max-width:600px;margin:0 auto}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@media (max-width: 768px){.container{padding:0 1.5rem}.section{padding:4rem 0}.btn{padding:.875rem 1.5rem;font-size:.9rem}}@media (max-width: 480px){.container{padding:0 1rem}.section{padding:3rem 0}.section-header{margin-bottom:3rem}.section-title{font-size:1.75rem}.section-subtitle{font-size:1rem}.btn{min-height:44px;padding:.875rem 1.5rem}.card{padding:1.5rem}body{font-size:15px}h1{line-height:1.15}h2{line-height:1.2}h3{line-height:1.25}p{font-size:.95rem}}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:var(--gray-100)}::-webkit-scrollbar-thumb{background:var(--gray-400);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--gray-500)}html[dir=rtl],html[dir=rtl] body{font-family:Cairo,Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}html[dir=rtl] .btn,html[dir=rtl] .header-wrapper,html[dir=rtl] .nav-desktop,html[dir=rtl] .header-actions{flex-direction:row-reverse}html[dir=rtl] .hero-wrapper{direction:rtl}html[dir=rtl] .hero-content,html[dir=rtl] .card-info{text-align:right}html[dir=rtl] .chatbot-window,html[dir=rtl] .chatbot-toggle{left:24px;right:auto}html[dir=rtl] .chatbot-header-info,html[dir=rtl] .chatbot-input-form,html[dir=rtl] .message{flex-direction:row-reverse}html[dir=rtl] .message.user{flex-direction:row}html[dir=rtl] .message-content{text-align:right}html[dir=rtl] .search-form,html[dir=rtl] .lang-switcher,html[dir=rtl] .stat-item{flex-direction:row-reverse}html[dir=rtl] .stat-content{text-align:right}html[dir=rtl] .nav-link-mobile:hover{padding-left:0;padding-right:1rem}html[dir=rtl] .feature-card,html[dir=rtl] .course-card,html[dir=rtl] .testimonial-card,html[dir=rtl] .footer-section{text-align:right}html[dir=rtl] .footer-links{align-items:flex-start}@media (max-width: 480px){html[dir=rtl] .chatbot-window,html[dir=rtl] .chatbot-toggle{left:16px;right:auto}}