:root{--primary:#6366f1;--primary-hover:#4f46e5;--bg-color:#0f172a;--surface-color:#1e293b;--surface-color-light:#334155;--text-main:#f8fafc;--text-muted:#94a3b8;--accent:#38bdf8;--accent-secondary:#c084fc;--border-color:#ffffff1a;--nav-height:70px;--transition:all .3s cubic-bezier(.4, 0, .2, 1);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;color:var(--text-main);background-color:var(--bg-color);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;font-weight:400;line-height:1.6}body.light-mode{--bg-color:#f8fafc;--surface-color:#fff;--surface-color-light:#f1f5f9;--primary:#4f46e5;--accent:#0ea5e9;--accent-secondary:#6366f1;--text-main:#0f172a;--text-muted:#475569;--border-color:#0000001a}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);background-image:radial-gradient(at 0 0,#100f15 0,#0000 50%),radial-gradient(at 50% 0,#2f3e6a33 0,#0000 50%),radial-gradient(at 100% 0,#72274133 0,#0000 50%);background-attachment:fixed;min-height:100vh;font-family:Inter,system-ui,sans-serif;line-height:1.6;transition:background-color .3s,color .3s;overflow-x:hidden}a{color:inherit;text-decoration:none}ul{list-style:none}h1,h2,h3,h4,h5,h6{letter-spacing:-.02em;margin-bottom:1rem;font-weight:700;line-height:1.2}h1{font-size:3.5rem}h2{font-size:2.5rem}h3{font-size:1.75rem}.text-gradient{background:linear-gradient(135deg, var(--accent) 0%, var(--accent-secondary) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.container{max-w-width:1200px;width:100%;margin:0 auto;padding:0 2rem}.section{padding:5rem 0}.navbar{height:var(--nav-height);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);z-index:1000;background:#0f172acc;align-items:center;display:flex;position:fixed;top:0;left:0;right:0}.nav-container{justify-content:space-between;align-items:center;width:100%;max-width:1200px;margin:0 auto;padding:0 2rem;display:flex}.logo{color:var(--text-main);align-items:center;gap:.5rem;font-size:1.5rem;font-weight:800;display:flex}.nav-links{flex-wrap:wrap;align-items:center;gap:1rem;display:flex}.nav-links a{color:var(--text-muted);transition:var(--transition);font-weight:500;position:relative}.nav-links a:hover{color:var(--text-main)}.nav-links a:after{content:"";background:var(--accent);width:0;height:2px;transition:var(--transition);position:absolute;bottom:-4px;left:0}.nav-links a:hover:after{width:100%}.btn{transition:var(--transition);cursor:pointer;border:none;border-radius:.5rem;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;display:inline-flex}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px #6366f163}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 6px 20px #6366f163}.btn-outline{color:var(--text-main);border:1px solid var(--border-color);background:0 0}.btn-outline:hover{border-color:var(--text-muted);background:#ffffff0d}.hero{min-height:100vh;padding-top:var(--nav-height);align-items:center;display:flex;position:relative}.hero-content{text-align:center;max-width:800px;margin:0 auto}.hero-subtitle{color:var(--accent);text-transform:uppercase;letter-spacing:2px;margin-bottom:1rem;font-weight:600;display:block}.hero p{color:var(--text-muted);max-width:600px;margin-bottom:2.5rem;margin-left:auto;margin-right:auto;font-size:1.25rem}.hero-cta{justify-content:center;gap:1rem;display:flex}.grid{gap:2rem;display:grid}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.card{background:var(--surface-color);border:1px solid var(--border-color);transition:var(--transition);border-radius:1rem;padding:2rem;position:relative;overflow:hidden}.card:before{content:"";opacity:0;width:100%;height:100%;transition:var(--transition);pointer-events:none;background:linear-gradient(135deg,#ffffff0d 0%,#fff0 100%);position:absolute;top:0;left:0}.card:hover{border-color:var(--accent);transform:translateY(-5px);box-shadow:0 10px 30px -10px #00000080}.card:hover:before{opacity:1}.card-icon{width:48px;height:48px;color:var(--primary);background:#6366f11a;border-radius:12px;justify-content:center;align-items:center;margin-bottom:1.5rem;display:flex}.card-icon svg{width:24px;height:24px}.card-title{margin-bottom:.5rem;font-size:1.25rem}.card-desc{color:var(--text-muted);font-size:.95rem}.course-card{flex-direction:column;display:flex}.course-price{color:var(--text-main);margin-top:1rem;margin-bottom:1.5rem;font-size:2rem;font-weight:800}.course-features{border-top:1px solid var(--border-color);margin-top:auto;margin-bottom:1.5rem;padding-top:1.5rem}.course-features li{color:var(--text-muted);align-items:center;gap:.5rem;margin-bottom:.5rem;display:flex}.course-features li svg{color:#10b981;width:18px;height:18px}.badge{color:var(--accent);background:#6366f11a;border:1px solid #38bdf833;border-radius:9999px;align-items:center;padding:.25rem .75rem;font-size:.75rem;font-weight:600;display:inline-flex}.project-card{flex-direction:column;display:flex}.project-card .tech-stack{flex-wrap:wrap;gap:.5rem;margin-top:auto;padding-top:1.5rem;display:flex}.footer{border-top:1px solid var(--border-color);text-align:center;color:var(--text-muted);background:#0f172ae6;margin-top:4rem;padding:3rem 0}.modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:2000;background:#0f172ae6;justify-content:center;align-items:center;padding:1rem;display:flex;position:fixed;inset:0}.demo-container{background:var(--surface-color);border:1px solid var(--border-color);border-radius:1rem;width:100%;max-width:600px;max-height:90vh;overflow-y:auto;box-shadow:0 25px 50px -12px #00000080}.demo-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:1.5rem;display:flex}.demo-content{padding:1.5rem}.demo-input{border:1px solid var(--border-color);width:100%;color:var(--text-main);background:#0003;border-radius:.5rem;padding:.75rem 1rem;font-family:inherit;font-size:1rem}.demo-input:focus{border-color:var(--primary);outline:none}.floating-widget-container{z-index:9999;position:fixed;bottom:2rem;right:2rem}.floating-widget-btn{background:linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:60px;height:60px;transition:transform .3s cubic-bezier(.175,.885,.32,1.275);display:flex;position:relative;box-shadow:0 10px 25px -5px #6366f180}.floating-widget-btn:hover{transform:scale(1.1)}.floating-badge{color:#fff;border:2px solid var(--bg-color);background:#ef4444;border-radius:10px;padding:.2rem .4rem;font-size:.65rem;font-weight:700;position:absolute;top:-5px;right:-5px}.floating-chat-window{background:var(--surface-color);border:1px solid var(--border-color);border-radius:1rem;flex-direction:column;width:350px;height:500px;max-height:80vh;animation:.3s slideUp;display:flex;overflow:hidden;box-shadow:0 25px 50px -12px #00000080}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)scale(.95)}to{opacity:1;transform:translateY(0)scale(1)}}.floating-chat-header{background:linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);color:#fff;justify-content:space-between;align-items:center;padding:1rem;display:flex}.close-btn{color:#fff;cursor:pointer;opacity:.8;background:0 0;border:none;display:flex}.close-btn:hover{opacity:1}.floating-chat-body{background:var(--bg-color);flex-direction:column;flex:1;gap:1rem;padding:1rem;display:flex;overflow-y:auto}.chat-message{align-items:flex-start;gap:.75rem;display:flex}.chat-message.user{flex-direction:row-reverse}.chat-avatar{background:var(--surface-color-light);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;display:flex}.chat-message.ai .chat-avatar{background:var(--primary);color:#fff}.chat-bubble{border-radius:1rem;max-width:80%;padding:.75rem 1rem;font-size:.9rem;line-height:1.4}.chat-message.user .chat-bubble{background:var(--surface-color-light);border-bottom-right-radius:.25rem}.chat-message.ai .chat-bubble{background:#6366f11a;border:1px solid #6366f133;border-bottom-left-radius:.25rem}.typing-indicator span{font-size:1.2rem;line-height:1;animation:1.4s infinite both typing;display:inline-block}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes typing{0%{opacity:.2;transform:translateY(0)}20%{opacity:1;transform:translateY(-3px)}to{opacity:.2;transform:translateY(0)}}.floating-chat-input-area{background:var(--surface-color);border-top:1px solid var(--border-color);gap:.5rem;padding:1rem;display:flex}.floating-chat-input-area input{background:var(--bg-color);border:1px solid var(--border-color);color:var(--text-main);border-radius:2rem;outline:none;flex:1;padding:.75rem}.floating-chat-input-area input:focus{border-color:var(--primary)}.floating-chat-input-area button{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;transition:transform .2s;display:flex}.floating-chat-input-area button:hover:not(:disabled){transform:scale(1.05)}.floating-chat-input-area button:disabled{opacity:.5;cursor:not-allowed}@media (width<=768px){h1{font-size:2.5rem}h2{font-size:2rem}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.nav-links{display:none}.hero-cta{flex-direction:column}}@keyframes spin-animation{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spin-animation{animation:1s linear infinite spin-animation}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}