*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;color:#333;background-color:#f8fafc}.container{max-width:1200px;margin:0 auto;padding:0 20px}header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:1rem 0;position:sticky;top:0;z-index:100;box-shadow:0 2px 10px #0000001a}nav{display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.5rem;font-weight:700}.nav-links{display:flex;gap:2rem}.nav-links a{color:#fff;text-decoration:none;transition:color .3s}.nav-links a:hover{color:gold}.hero{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;text-align:center;padding:4rem 0;position:relative}.hero:before{content:"";position:absolute;inset:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120" preserveAspectRatio="none"><path d="m0,56l40,8c40,8 120,24 200,32c80,8 160,8 240,0c80,-8 160,-24 240,-24c80,0 160,16 240,24c80,8 160,8 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#0000001a;margin-bottom:2rem}.instructor-content{display:grid;grid-template-columns:200px 1fr;gap:2rem;align-items:center}.instructor-avatar{width:200px;height:200px;border-radius:50%;overflow:hidden;box-shadow:0 4px 15px #0000001a}.instructor-avatar img{width:100%;height:100%;object-fit:cover}.instructor-info h3{font-size:2rem;color:#2d3748;margin-bottom:1rem}.instructor-info p{margin-bottom:1rem;color:#4a5568;line-height:1.8}.social-links{display:flex;gap:1rem;margin-top:1.5rem}.social-link{display:inline-flex;align-items:center;padding:10px 20px;background:#667eea;color:#fff;text-decoration:none;border-radius:25px;transition:all .3s}.social-link:hover{background:#764ba2;transform:translateY(-2px)}.social-link i{margin-right:8px}.courses-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:2rem;margin-bottom:2rem}.course-card{background:#fff;border-radius:15px;overflow:hidden;box-shadow:0 10px 30px #0000001a;transition:transform .3s;display:flex;flex-direction:column;justify-content:space-between}.course-card:hover{transform:translateY(-5px)}.course-image{height:200px;overflow:hidden;position:relative}.bestseller-badge{position:absolute;top:1rem;left:0;background:gold;color:#2d3748;padding:.5rem 1rem;font-weight:700;font-size:.9rem;border-radius:0 25px 25px 0;z-index:1;box-shadow:2px 2px 10px #0000001a;display:flex;align-items:center;gap:.5rem}.bestseller-badge i{color:#e53e3e;font-size:1rem}.course-image img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.course-card:hover .course-image 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2px rgba(0,0,0,.1)}.review-text{color:#4a5568;line-height:1.7;font-style:italic;margin-left:1rem}.course-description{color:#4a5568;margin-bottom:1rem;line-height:1.6}.course-level{display:inline-block;background:#e2e8f0;color:#4a5568;padding:5px 15px;border-radius:20px;font-size:.9rem;margin-bottom:1rem}.course-points{list-style:none;margin-bottom:1.5rem}.course-points li{margin-bottom:.5rem;color:#4a5568}.course-points li:before{content:"✓";color:#48bb78;font-weight:700;margin-right:8px}.price-section{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;padding:15px;background:#f7fafc;border-radius:10px}.original-price{text-decoration:line-through;color:#a0aec0;font-size:1.1rem}.discount-price{font-size:1.5rem;color:#e53e3e;font-weight:700}.discount-badge{background:#e53e3e;color:#fff;padding:5px 15px;border-radius:20px;font-weight:700}.coupon-deadline{font-size:.9rem;color:#e53e3e;font-weight:600;text-align:center;margin-top:10px;padding:8px;background:#fff5f5;border-radius:8px;border:1px solid #fed7d7;display:flex;align-items:center;justify-content:center;gap:6px}.coupon-deadline i{color:#e53e3e;font-size:.8rem}.coupon-section{background:#f0fff4;border:2px dashed #48bb78;border-radius:10px;padding:15px;margin-bottom:1.5rem;text-align:center}.coupon-code{font-family:Courier New,monospace;font-size:1.2rem;font-weight:700;color:#2d3748;background:#fff;padding:10px 20px;border-radius:5px;display:inline-block;margin:0 10px}.copy-button{background:#48bb78;color:#fff;border:none;padding:10px 20px;border-radius:5px;cursor:pointer;font-weight:700;transition:background .3s}.copy-button:hover{background:#38a169}.course-actions{display:flex;flex-direction:column;gap:12px}.review-button{display:block;width:100%;background:linear-gradient(135deg,#f093fb,#f5576c);color:#fff;padding:12px 15px;text-align:center;border:none;border-radius:10px;font-weight:700;font-size:.95rem;cursor:pointer;transition:all .3s;display:flex;align-items:center;justify-content:center;gap:8px}.review-button:hover{transform:translateY(-2px);box-shadow:0 5px 15px #f5576c66;background:linear-gradient(135deg,#f5576c,#f093fb)}.review-button i{font-size:.9rem}.course-button{display:block;width:100%;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:15px;text-align:center;text-decoration:none;border-radius:10px;font-weight:700;transition:all .3s}.course-button:hover{transform:translateY(-2px);box-shadow:0 5px 15px #667eea66}.testimonials-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}.testimonial{background:#fff;padding:2rem;border-radius:15px;box-shadow:0 10px 30px #0000001a;position:relative;display:flex;flex-direction:column;justify-content:space-between}.testimonial:before{content:'"';position:absolute;top:-10px;left:20px;font-size:4rem;color:#667eea;opacity:.3}.testimonial-text{margin-bottom:1rem;font-style:italic;color:#4a5568}.testimonial-rating{display:flex;gap:3px;margin-bottom:1rem;justify-content:center}.testimonial-rating .star{color:gold;font-size:1.2rem}.testimonial-author{font-weight:700;color:#2d3748}.follow-section{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;text-align:center;padding:3rem;border-radius:15px}.follow-section h2{margin-bottom:1rem}.follow-section p{margin-bottom:2rem;opacity:.9}.follow-buttons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.follow-button{background:#fff;color:#667eea;padding:12px 25px;border-radius:25px;text-decoration:none;font-weight:700;transition:all .3s;display:inline-flex;align-items:center}.follow-button:hover{background:#f7fafc;transform:translateY(-2px)}.follow-button i{margin-right:8px}footer{background:#2d3748;color:#fff;padding:3rem 0;margin-top:4rem}.footer-content{text-align:center}.footer-links{display:flex;justify-content:center;gap:2rem;margin-bottom:2rem;flex-wrap:wrap}.footer-links a{color:#a0aec0;text-decoration:none;transition:color .3s}.footer-links a:hover{color:#fff}.copyright{color:#a0aec0}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;display:flex;justify-content:center;align-items:center;z-index:1000;opacity:0;visibility:hidden;transition:all .3s ease;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.modal-overlay.active{opacity:1;visibility:visible}.modal-container{background:#fff;border-radius:20px;width:90%;max-width:900px;max-height:90vh;overflow:hidden;box-shadow:0 20px 60px #0000004d;transform:scale(.9) translateY(20px);transition:all .3s ease;display:flex;flex-direction:column}.modal-overlay.active .modal-container{transform:scale(1) translateY(0)}.modal-header{padding:25px 30px;border-bottom:2px solid #f1f5f9;display:flex;justify-content:space-between;align-items:center;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.modal-title{font-size:1.5rem;font-weight:700;margin:0}.modal-close{background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer;padding:5px;border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;transition:all .3s}.modal-close:hover{background:#fff3;transform:rotate(90deg)}.modal-body{padding:30px;flex:1;overflow-y:auto}.review-slider{display:flex;flex-direction:column;gap:20px}.review-navigation{display:flex;justify-content:space-between;align-items:center;padding:15px 20px;background:#f8fafc;border-radius:15px;margin-bottom:20px}.nav-button{background:#667eea;color:#fff;border:none;border-radius:50%;width:45px;height:45px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s;font-size:1.1rem}.nav-button:hover:not(:disabled){background:#764ba2;transform:scale(1.1)}.nav-button:disabled{background:#e2e8f0;color:#a0aec0;cursor:not-allowed;transform:none}.review-counter{font-size:1.1rem;font-weight:700;color:#4a5568;padding:10px 20px;background:#fff;border-radius:20px;box-shadow:0 2px 8px #0000001a}.review-content{display:flex;justify-content:center;align-items:center}.review-screenshot{width:100%;max-width:800px;border-radius:15px;overflow:hidden;box-shadow:0 10px 30px #0000001a;background:#f8fafc}.review-screenshot img{width:100%;height:auto;display:block;transition:transform .3s ease}.modal-footer{padding:25px 30px;border-top:2px solid #f1f5f9;background:#f8fafc}.modal-coupon-button{display:block;width:100%;background:linear-gradient(135deg,#48bb78,#38a169);color:#fff;padding:15px 20px;text-align:center;text-decoration:none;border-radius:12px;font-weight:700;font-size:1.1rem;transition:all .3s;display:flex;align-items:center;justify-content:center;gap:10px}.modal-coupon-button:hover{transform:translateY(-2px);box-shadow:0 8px 25px #48bb7866;background:linear-gradient(135deg,#38a169,#48bb78)}.modal-coupon-button i{font-size:1rem}.review-screenshot.loading{min-height:300px;display:flex;align-items:center;justify-content:center;background:linear-gradient(45deg,#f0f2f5 25%,transparent 25%),linear-gradient(-45deg,#f0f2f5 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#f0f2f5 75%),linear-gradient(-45deg,transparent 75%,#f0f2f5 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0px;animation:loading-animation 1s linear infinite}@keyframes loading-animation{0%{background-position:0 0,0 10px,10px -10px,-10px 0px}to{background-position:20px 20px,20px 30px,30px 10px,10px 20px}}@media (max-width: 768px){.nav-links{display:none}.hero h1{font-size:2rem}.hero p{font-size:1.1rem}.instructor-content{grid-template-columns:1fr;text-align:center}.instructor-avatar{margin:0 auto}.courses-grid{grid-template-columns:1fr}.price-section{flex-direction:column;gap:10px}.follow-buttons{flex-direction:column;align-items:center}.footer-links{flex-direction:column;gap:1rem}.social-links{display:flex;flex-direction:column;align-items:center}.course-tabs{margin-bottom:1rem}.tab-button{padding:10px 15px;font-size:.9rem}.tab-button i{display:none}.review-item{padding:1rem}.review-item:before{font-size:2rem;top:-2px;left:10px}.review-text{margin-left:.5rem;font-size:.95rem}}@media (max-width: 480px){.container{padding:0 15px}.section{padding:2rem 0}.instructor,.course-card{padding:1.5rem}.coupon-code{font-size:1rem;margin:5px 0}.course-title{font-size:1.1rem;margin-bottom:1rem}.tab-button{padding:8px 12px;font-size:.85rem}.course-content{padding:1.5rem}.review-rating .star{font-size:1rem}.modal-container{width:95%;max-height:95vh}.modal-header{padding:20px 25px}.modal-title{font-size:1.3rem}.modal-body{padding:20px}.review-navigation{padding:12px 15px;margin-bottom:15px}.nav-button{width:40px;height:40px;font-size:1rem}.review-counter{font-size:1rem;padding:8px 15px}.modal-footer{padding:20px 25px}.modal-coupon-button{font-size:1rem;padding:12px 15px}.stars-container{gap:8px}.stars i{font-size:1rem}.rating-number{font-size:.9rem;padding:3px 8px;min-width:35px}}