*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--primary: #00d4ff;--primary-dark: #00a8cc;--bg-dark: #0a0a1a;--bg-card: #1a1a2e;--bg-alt: #12122a;--text: #e0e0e0;--text-muted: #8888aa;--text-white: #ffffff;--border: #2a2a4a;--radius: 12px;--shadow: 0 4px 20px rgba(0, 0, 0, .3);--transition: .3s ease}html{scroll-behavior:smooth}body{font-family:Inter,sans-serif;background-color:var(--bg-dark);color:var(--text);line-height:1.6;overflow-x:hidden}a{text-decoration:none;color:inherit;transition:color var(--transition)}img{max-width:100%;height:auto;display:block}.container{max-width:1200px;margin:0 auto;padding:0 20px}.header{position:fixed;top:0;left:0;right:0;z-index:1000;background:#0a0a1af2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);padding:16px 0}.header .container{display:flex;align-items:center;justify-content:space-between}.logo{font-size:1.8rem;font-weight:800;color:var(--text-white)}.logo span{color:var(--primary)}.nav{display:flex;gap:28px}.nav-link{font-size:.95rem;font-weight:500;color:var(--text-muted);position:relative}.nav-link:hover,.nav-link.active{color:var(--primary)}.nav-link:after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--primary);transition:width var(--transition)}.nav-link:hover:after,.nav-link.active:after{width:100%}.menu-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:5px}.menu-toggle span{width:25px;height:2px;background:var(--text-white);transition:var(--transition)}.hero{padding:160px 0 100px;text-align:center;background:linear-gradient(135deg,var(--bg-dark) 0%,#0d1b3e 50%,var(--bg-dark) 100%);position:relative}.hero:before{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:600px;height:600px;background:radial-gradient(circle,rgba(0,212,255,.08) 0%,transparent 70%);pointer-events:none}.hero-content h1{font-size:3.5rem;font-weight:800;color:var(--text-white);margin-bottom:20px;line-height:1.2}.highlight{color:var(--primary)}.hero-content p{font-size:1.2rem;color:var(--text-muted);max-width:600px;margin:0 auto 32px}.btn{display:inline-block;padding:14px 32px;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;border:none;transition:all var(--transition)}.btn-primary{background:var(--primary);color:var(--bg-dark)}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 25px #00d4ff4d}.btn-full{width:100%}.section{padding:80px 0}.section-alt{background:var(--bg-alt)}.section-title{font-size:2.2rem;font-weight:700;color:var(--text-white);text-align:center;margin-bottom:48px}.grid{display:grid;gap:24px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}.card{background:var(--bg-card);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:transform var(--transition),box-shadow var(--transition)}.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}.card-image{position:relative;overflow:hidden}.card-image img{width:100%;height:200px;object-fit:cover;transition:transform var(--transition)}.card:hover .card-image img{transform:scale(1.05)}.card-badge{position:absolute;top:12px;right:12px;background:var(--primary);color:var(--bg-dark);padding:4px 12px;border-radius:20px;font-size:.8rem;font-weight:600}.card-content{padding:20px}.card-date{font-size:.85rem;color:var(--text-muted);display:block;margin-bottom:8px}.card-content h3{font-size:1.15rem;font-weight:600;color:var(--text-white);margin-bottom:10px;line-height:1.4}.card-content p{font-size:.9rem;color:var(--text-muted);margin-bottom:14px}.card-link{font-size:.9rem;font-weight:600;color:var(--primary)}.card-link:hover{color:var(--primary-dark)}.rating{display:flex;align-items:center;gap:10px;margin-bottom:14px}.rating-bar{flex:1;height:6px;background:var(--border);border-radius:3px;overflow:hidden}.rating-fill{height:100%;background:var(--primary);border-radius:3px}.rating span{font-size:.85rem;font-weight:600;color:var(--primary)}.tutorial-card{display:flex;gap:20px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:transform var(--transition),box-shadow var(--transition)}.tutorial-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.tutorial-number{font-size:2.5rem;font-weight:800;color:var(--primary);opacity:.5;line-height:1}.tutorial-content h3{font-size:1.1rem;font-weight:600;color:var(--text-white);margin-bottom:8px}.tutorial-content p{font-size:.9rem;color:var(--text-muted);margin-bottom:12px}.tutorial-level{display:inline-block;padding:3px 10px;border-radius:4px;font-size:.75rem;font-weight:600;margin-bottom:10px}.tutorial-level.beginner{background:#4caf5026;color:#4caf50}.tutorial-level.intermediate{background:#ffc10726;color:#ffc107}.tutorial-level.advanced{background:#f4433626;color:#f44336}.newsletter-section{background:linear-gradient(135deg,#0d1b3e 0%,var(--bg-dark) 100%)}.newsletter{text-align:center;max-width:550px;margin:0 auto}.newsletter h2{font-size:2rem;color:var(--text-white);margin-bottom:12px}.newsletter p{color:var(--text-muted);margin-bottom:24px}.newsletter-form{display:flex;gap:12px}.newsletter-form input{flex:1;padding:14px 18px;border-radius:8px;border:1px solid var(--border);background:var(--bg-card);color:var(--text-white);font-size:1rem;outline:none;transition:border-color var(--transition)}.newsletter-form input:focus{border-color:var(--primary)}.newsletter-note{font-size:.85rem;color:var(--text-muted);margin-top:12px}.about-content{max-width:700px;margin:0 auto;text-align:center}.about-text p{font-size:1.05rem;color:var(--text-muted);margin-bottom:16px}.about-stats{display:flex;justify-content:center;gap:48px;margin-top:32px}.stat{text-align:center}.stat-number{display:block;font-size:2rem;font-weight:800;color:var(--primary)}.stat-label{font-size:.9rem;color:var(--text-muted)}.contact-wrapper{max-width:600px;margin:0 auto}.contact-form{display:flex;flex-direction:column;gap:18px}.form-group label{display:block;font-size:.9rem;font-weight:500;color:var(--text);margin-bottom:6px}.form-group input,.form-group textarea{width:100%;padding:14px 18px;border-radius:8px;border:1px solid var(--border);background:var(--bg-card);color:var(--text-white);font-size:1rem;font-family:inherit;outline:none;transition:border-color var(--transition);resize:vertical}.form-group input:focus,.form-group textarea:focus{border-color:var(--primary)}.footer{background:var(--bg-alt);padding:60px 0 24px;border-top:1px solid var(--border)}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:40px}.footer-brand p{color:var(--text-muted);margin-top:12px;font-size:.9rem}.social-links{display:flex;gap:16px;margin-top:20px}.social-links a{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--bg-card);border:1px solid var(--border);color:var(--text-muted);transition:all var(--transition)}.social-links a:hover{color:var(--primary);border-color:var(--primary)}.footer-links h4{font-size:1rem;font-weight:600;color:var(--text-white);margin-bottom:16px}.footer-links a{display:block;font-size:.9rem;color:var(--text-muted);margin-bottom:10px}.footer-links a:hover{color:var(--primary)}.footer-bottom{text-align:center;padding-top:24px;border-top:1px solid var(--border)}.footer-bottom p{font-size:.85rem;color:var(--text-muted)}@media (max-width: 992px){.grid-3{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}}@media (max-width: 768px){.nav{display:none;position:absolute;top:100%;left:0;right:0;background:#0a0a1afa;flex-direction:column;padding:20px;gap:16px;border-bottom:1px solid var(--border)}.nav.active,.menu-toggle{display:flex}.hero-content h1{font-size:2.5rem}.grid-3,.grid-2,.footer-grid{grid-template-columns:1fr}.newsletter-form{flex-direction:column}.about-stats{gap:24px}.tutorial-card{flex-direction:column;gap:12px}}@media (max-width: 480px){.hero-content h1{font-size:2rem}.section-title{font-size:1.7rem}.about-stats{flex-direction:column;gap:16px}}.notification{position:fixed;bottom:24px;right:24px;background:var(--bg-card);border:1px solid var(--primary);border-radius:var(--radius);padding:16px 20px;display:flex;align-items:center;gap:12px;z-index:9999;transform:translateY(100px);opacity:0;transition:all .3s ease;max-width:400px}.notification.show{transform:translateY(0);opacity:1}.notification p{color:var(--text-white);font-size:.9rem}.notification-close{background:none;border:none;color:var(--text-muted);font-size:1.3rem;cursor:pointer;padding:0 4px}.notification-close:hover{color:var(--text-white)}.search-modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;display:flex;align-items:flex-start;justify-content:center;padding-top:120px;z-index:9999;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.search-modal-content{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);width:100%;max-width:560px;padding:20px;box-shadow:0 20px 60px #00000080}.search-input{width:100%;padding:14px 18px;border-radius:8px;border:1px solid var(--border);background:var(--bg-dark);color:var(--text-white);font-size:1.05rem;outline:none}.search-input:focus{border-color:var(--primary)}.search-results{margin-top:12px;max-height:300px;overflow-y:auto}.search-result-item{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:8px;transition:background var(--transition)}.search-result-item:hover{background:var(--bg-dark)}.search-result-category{font-size:.75rem;font-weight:600;color:var(--primary);background:#00d4ff1a;padding:3px 8px;border-radius:4px;white-space:nowrap}.search-result-title{font-size:.9rem;color:var(--text)}.search-no-results{text-align:center;color:var(--text-muted);padding:20px}.search-hint{text-align:center;font-size:.8rem;color:var(--text-muted);margin-top:12px}.reveal-element{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}.reveal-element.revealed{opacity:1;transform:translateY(0)}