:root{--bg-main: #0b0f19;--bg-card: #131a26;--border: #1e293b;--text-main: #f8fafc;--text-muted: #94a3b8;--accent: #00ffaa;--accent-hover: #00cc88;--mp-blue: #009ee3;--mp-blue-hover: #007bb5;--primary-color: var(--mp-blue)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-main);color:var(--text-main);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;line-height:1.6}header{background-color:rgba(11,15,25,.8);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}nav{max-width:1200px;margin:0 auto;padding:1.2rem 2rem;display:flex;align-items:center;gap:2rem}nav .logo{font-weight:800;color:var(--text-main);font-size:1.2rem;text-decoration:none;flex-shrink:0}nav .logo-accent{color:var(--accent)}nav .nav-links{display:flex;gap:1.5rem}nav a{color:var(--text-muted);text-decoration:none;font-size:.95rem;font-weight:500;transition:color .2s ease}nav a:hover{color:var(--accent)}.menu-toggle{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:4px;z-index:110}.menu-toggle span{display:block;width:22px;height:2px;background-color:var(--text-main);border-radius:2px;transition:transform .3s ease,opacity .3s ease}.menu-toggle.active span:nth-child(1){transform:translateY(6px) rotate(45deg)}.menu-toggle.active span:nth-child(2){opacity:0}.menu-toggle.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}.hero{text-align:center;padding:5rem 1rem 4rem 1rem}.hero h1{font-size:3rem;font-weight:800;letter-spacing:-1px;margin-bottom:1rem}.hero .hero-accent{color:var(--accent)}.hero p{color:var(--text-muted);font-size:1.2rem;max-width:650px;margin:0 auto}.grid{display:grid;grid-template-columns:repeat(auto-fit, minmax(320px, 1fr));gap:2rem;padding:0 2rem 5rem 2rem;max-width:1200px;margin:0 auto}.card{background-color:var(--bg-card);border:1px solid var(--border);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;transition:transform .2s ease,border-color .2s ease}.card:hover{transform:translateY(-4px);border-color:var(--accent)}.card-img{width:100%;height:180px;object-fit:cover;border-bottom:1px solid var(--border)}.card-body{padding:1.5rem;display:flex;flex-direction:column;flex-grow:1}.card h2{font-size:1.3rem;font-weight:700;margin-bottom:.8rem}.card p{color:var(--text-muted);font-size:.9rem;line-height:1.5;margin-bottom:1.5rem;flex-grow:1}.card-footer{display:flex;justify-content:space-between;align-items:center;margin-top:auto}.card-price{font-size:1.2rem;font-weight:700;color:var(--accent)}.btn{display:inline-block;background-color:var(--accent);color:#000;text-decoration:none;font-weight:600;font-size:.9rem;padding:.6rem 1.2rem;border-radius:6px;transition:background-color .2s ease,box-shadow .2s ease;border:none}.btn:hover{background-color:var(--accent-hover);box-shadow:0 0 12px rgba(0,255,170,.3)}.btn-mp{display:inline-block;width:100%;text-align:center;padding:.8rem 1.2rem;background-color:var(--mp-blue);color:#fff;border:none;border-radius:6px;font-weight:600;font-size:1rem;text-decoration:none;cursor:pointer;box-shadow:0 4px 12px rgba(0,158,227,.3);transition:background-color .3s ease}.btn-mp:hover{background-color:var(--mp-blue-hover);box-shadow:0 0 12px rgba(0,158,227,.3)}.mp-form{margin:0;padding:0}.course-layout{display:grid;grid-template-columns:2fr 1fr;gap:3rem;max-width:1200px;margin:2rem auto;padding:0 2rem;align-items:start}@media (max-width: 992px){.course-layout{grid-template-columns:1fr}}.course-content{flex:2}.course-hero-img{width:100%;max-height:360px;object-fit:cover;border-radius:12px;margin-bottom:2rem;border:1px solid var(--border)}.sidebar{background-color:var(--bg-card);border:1px solid var(--border);padding:2rem;border-radius:16px;box-shadow:0 10px 25px -5px rgba(0,0,0,.3),0 0 0 1px rgba(255,255,255,.05);position:sticky;top:6rem;height:fit-content;transition:box-shadow .2s ease,border-color .2s ease}.sidebar:hover{box-shadow:0 20px 30px -10px rgba(0,0,0,.5),0 0 15px rgba(0,255,170,.1);border-color:var(--border)}.sidebar .sidebar-label{color:var(--text-muted);font-size:.85rem;text-transform:uppercase;font-weight:600}.sidebar .sidebar-divider{margin:2rem 0;border:0;border-top:1px solid var(--border)}.sidebar ul{padding-left:1.2rem;font-size:.9rem}.price-value{font-size:2rem;font-weight:800;color:var(--text-main);margin:.5rem 0 1.5rem 0}.course-content h1{font-size:2.5rem;margin-bottom:1.5rem}.course-content h2{font-size:1.8rem;margin-top:2.5rem;margin-bottom:1rem;border-bottom:1px solid var(--border);padding-bottom:.5rem}.course-content h3{font-size:1.3rem;margin-top:2rem;margin-bottom:.8rem;color:var(--accent)}.course-content p{color:var(--text-muted);margin-bottom:1.2rem;text-align:justify}.course-content ul{margin-left:1.5rem;margin-bottom:1.5rem;list-style-type:square;color:var(--text-muted)}.course-content li{margin-bottom:.5rem}.page-content{max-width:800px;margin:4rem auto;padding:0 1.5rem;line-height:1.8}.page-content h1{font-size:2.5rem;font-weight:800;margin-bottom:2rem;color:var(--text-main)}.page-content h2{font-size:1.8rem;margin-top:3rem;margin-bottom:1rem;border-bottom:1px solid var(--border);padding-bottom:.5rem}.page-content h3{font-size:1.3rem;margin-top:2.5rem;margin-bottom:.8rem;color:var(--accent)}.page-content p{color:var(--text-muted);margin-bottom:1.2rem}.page-content ul{margin-left:1.5rem;margin-bottom:1.5rem;list-style-type:square;color:var(--text-muted)}.page-content ul li{margin-bottom:.5rem}.zola-anchor{display:none !important}#backToTop{display:none;position:fixed;bottom:30px;right:30px;z-index:99;border:none;outline:none;background-color:var(--primary-color);color:#fff;cursor:pointer;padding:15px;border-radius:50%;font-size:18px;transition:background-color .3s,transform .2s;box-shadow:0 4px 6px rgba(0,0,0,.3)}#backToTop:hover{background-color:var(--mp-blue-hover);transform:scale(1.1)}.course-toc{background-color:var(--bg-card);border:1px solid var(--border);padding:1.5rem;border-radius:12px;margin-bottom:2rem}.course-toc h3{margin-top:0;font-size:1.1rem;color:var(--text-main);border-bottom:1px solid var(--border);padding-bottom:.8rem;margin-bottom:1rem}.course-toc ul{list-style:none !important;padding-left:0 !important;margin:0}.course-toc ul ul{margin-left:1.5rem !important;border-left:1px solid var(--border);padding-left:1rem !important;margin-top:.4rem}.course-toc li{margin-bottom:.5rem}.course-toc a{text-decoration:none;color:var(--text-muted);font-size:.95rem;transition:color .2s ease}.course-toc a:hover{color:var(--primary-color)}.search-container{position:relative;margin-left:auto}#search-input{background-color:var(--bg-card);border:1px solid var(--border);border-radius:8px;color:var(--text-main);font-size:.9rem;padding:.5rem 1rem;width:200px;transition:border-color .2s ease}#search-input::placeholder{color:var(--text-muted)}#search-input:focus{outline:none;border-color:var(--accent)}.search-results{display:none;position:absolute;top:calc(100% + 8px);right:0;width:360px;max-height:400px;overflow-y:auto;background-color:var(--bg-card);border:1px solid var(--border);border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.4);z-index:200}.search-result-item{display:block;padding:1rem;text-decoration:none;border-bottom:1px solid var(--border);border-left:3px solid rgba(0,0,0,0);transition:background-color .2s ease,border-left-color .2s ease}.search-result-item:last-child{border-bottom:none}.search-result-item:hover{background-color:rgba(255,255,255,.05);border-left-color:var(--accent)}.search-result-title{color:var(--text-main);font-weight:600;font-size:.95rem;margin-bottom:.3rem}.search-result-snippet{color:var(--text-muted);font-size:.8rem;line-height:1.4}@media (max-width: 820px){nav{flex-wrap:wrap;gap:.5rem 0;padding:.8rem 1rem}nav .menu-toggle{display:flex}nav .search-container{margin-left:auto}nav #search-input{width:150px;font-size:.85rem;padding:.4rem .8rem}nav .search-results{width:300px;right:0}nav .nav-links{display:none;flex-direction:column;width:100%;order:4;gap:0;background-color:var(--bg-card);border:1px solid var(--border);border-radius:8px;margin-top:.5rem;overflow:hidden}nav .nav-links.open{display:flex}nav .nav-links a{padding:.8rem 1rem;border-bottom:1px solid var(--border);font-size:.95rem;border-left:3px solid rgba(0,0,0,0);transition:background-color .2s ease,border-left-color .2s ease,color .2s ease}nav .nav-links a:last-child{border-bottom:none}nav .nav-links a:hover{background-color:rgba(255,255,255,.05);border-left-color:var(--accent);color:var(--accent)}}@media (max-width: 480px){nav #search-input{width:120px}nav .search-results{width:260px}}