@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-tertiary: #64748b;--color-primary: #6366f1;--color-secondary: #8b5cf6;--border-light: rgba(255, 255, 255, .05);--border-hover: rgba(255, 255, 255, .1);--gradient-text: linear-gradient(135deg, #818cf8 0%, #a78bfa 100%);--gradient-btn: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);--gradient-btn-hover: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);--container-max: 1200px;--header-height: 80px;--section-spacing: 6rem;--card-bg: rgba(30, 41, 59, .3);--card-shadow: none;--input-bg: rgba(30, 41, 59, .5)}[data-theme=light]{--bg-primary: #f0f2f5;--bg-secondary: #e8eaef;--bg-tertiary: #d8dce5;--text-primary: #1a1d26;--text-secondary: #4a5568;--text-tertiary: #64748b;--border-light: rgba(0, 0, 0, .08);--border-hover: rgba(99, 102, 241, .4);--gradient-text: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);--card-bg: #fafbfc;--card-shadow: 0 1px 3px rgba(0, 0, 0, .08), 0 4px 12px rgba(0, 0, 0, .05);--input-bg: #fafbfc}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit;transition:color .2s}ul{list-style:none}img,svg{display:block}button{cursor:pointer;border:none;background:none;font-family:inherit}.container{max-width:var(--container-max);margin:0 auto;padding:0 1.5rem}.text-gradient{background:var(--gradient-text);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border-radius:.5rem;font-weight:500;transition:all .3s ease;font-size:.95rem}.btn-primary{background:var(--gradient-btn);color:#fff;box-shadow:0 4px 14px #6366f163}.btn-primary:hover{background:var(--gradient-btn-hover);transform:translateY(-1px);box-shadow:0 6px 20px #6366f13b}.site-header{position:fixed;top:0;left:0;width:100%;z-index:100;background:#0f172acc;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-light);height:var(--header-height)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%}.logo span{font-size:1.5rem;font-weight:700}.desktop-nav{display:flex;gap:2rem}.desktop-nav a{color:var(--text-secondary);font-weight:500;font-size:.95rem}.desktop-nav a:hover{color:var(--text-primary)}.header-actions{display:flex;align-items:center;gap:1.5rem}.header-actions a.login-link{color:var(--text-secondary);font-weight:500}.header-actions a.login-link:hover{color:var(--text-primary)}.mobile-toggle{display:none;color:var(--text-primary)}.mobile-menu{position:absolute;top:var(--header-height);left:0;width:100%;background:var(--bg-primary);border-bottom:1px solid var(--border-light);padding:1.5rem;display:flex;flex-direction:column;gap:1rem}.mobile-menu a{display:block;padding:.5rem 0}.hero-section{padding-top:calc(var(--header-height) + 4rem);padding-bottom:5rem;position:relative;overflow:hidden;text-align:center}.hero-bg-glow{position:absolute;top:0;left:50%;transform:translate(-50%);width:1000px;height:500px;background:#6365f126;filter:blur(120px);border-radius:50%;z-index:-1}.hero-badge{display:inline-flex;align-items:center;gap:.5rem;padding:.35rem 1rem;background:#6366f11a;border:1px solid rgba(99,102,241,.2);border-radius:2rem;color:#a5b4fc;font-size:.875rem;font-weight:500;margin-bottom:2rem}.pulse-dot{position:relative;width:8px;height:8px;background:#6366f1;border-radius:50%}.pulse-dot:after{content:"";position:absolute;top:0;left:0;width:100%;height:100%;border-radius:50%;background:inherit;animation:ping 1.5s cubic-bezier(0,0,.2,1) infinite;opacity:.75}@keyframes ping{75%,to{transform:scale(2);opacity:0}}.hero-title{font-size:3rem;font-weight:800;line-height:1.1;margin-bottom:1.5rem;color:var(--text-primary)}.hero-subtitle{font-size:1.25rem;color:var(--text-secondary);max-width:600px;margin:0 auto 3rem}.hero-input-group{max-width:500px;margin:0 auto 4rem;display:flex;flex-direction:column;gap:1rem;align-items:center}.input-wrapper{position:relative;width:100%;background:var(--input-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.1);border-radius:.5rem;padding:.5rem;display:flex;align-items:center}[data-theme=light] .input-wrapper{border:1px solid var(--border-light);box-shadow:var(--card-shadow)}[data-theme=light] .site-header{background:#f0f2f5e6}[data-theme=light] .hero-badge{background:#6366f11f;border-color:#6366f140;color:#4f46e5}[data-theme=light] .hero-visual{background:var(--card-bg);box-shadow:0 4px 24px #0000001a}[data-theme=light] .feature-icon{background:var(--bg-secondary)}[data-theme=light] .step-number{background:#6366f11a;color:#4f46e5}[data-theme=light] .bot .msg-bubble{background:#6366f114;color:#3730a3;border-color:#6366f133}[data-theme=light] .pricing-card.highlight{background:var(--card-bg);box-shadow:0 4px 24px #6366f133}[data-theme=light] .btn-full{background:var(--bg-tertiary);color:var(--text-primary)}[data-theme=light] .btn-full:hover{background:#c8cdd6}[data-theme=light] .highlight .btn-full{background:var(--color-primary);color:#fff}[data-theme=light] .footer{background:#e4e7ec}[data-theme=light] .social-link{background:var(--bg-tertiary)}[data-theme=light] .social-link:hover{background:var(--color-primary);color:#fff}[data-theme=light] .features-list li svg{color:#4f46e5}[data-theme=light] .hero-bg-glow{background:#6366f114}[data-theme=light] .window-controls{background:var(--bg-secondary)}[data-theme=light] .popular-badge{color:#fff}.input-wrapper svg{margin:0 .75rem;color:var(--text-secondary)}.input-wrapper input{flex:1;background:transparent;border:none;color:var(--text-primary);outline:none;font-size:1rem}.input-wrapper .btn{padding:.5rem 1rem;white-space:nowrap}.demo-link{font-size:.875rem;color:var(--text-secondary)}.demo-link a{color:var(--color-secondary);text-decoration:underline}.hero-visual{max-width:900px;margin:0 auto;background:#1e293b66;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-light);border-radius:1rem;overflow:hidden;box-shadow:0 25px 50px -12px #00000080}.window-controls{padding:1rem;display:flex;gap:.5rem;border-bottom:1px solid var(--border-light)}.control{width:12px;height:12px;border-radius:50%}.red{background:#ef4444;opacity:.5}.yellow{background:#eab308;opacity:.5}.green{background:#22c55e;opacity:.5}.visual-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem;padding:2rem;text-align:left}.features-section{padding:var(--section-spacing) 0;background:var(--bg-primary)}.section-header{text-align:center;max-width:700px;margin:0 auto 4rem}.section-title{font-size:2.5rem;font-weight:700;margin-bottom:1rem}.section-desc{font-size:1.125rem;color:var(--text-secondary)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}.feature-card{padding:2rem;background:var(--card-bg);box-shadow:var(--card-shadow);border:1px solid var(--border-light);border-radius:1rem;transition:all .3s ease}.feature-card:hover{transform:translateY(-5px);border-color:#6366f14d}.feature-icon{width:3rem;height:3rem;background:var(--bg-primary);border-radius:.5rem;display:flex;align-items:center;justify-content:center;margin-bottom:1.5rem}.feature-title{font-size:1.25rem;font-weight:600;margin-bottom:.75rem}.feature-desc{color:var(--text-secondary)}.how-it-works-section{padding:var(--section-spacing) 0;position:relative;overflow:hidden}.hiw-container{display:flex;flex-direction:column;gap:4rem}.steps-list{display:flex;flex-direction:column;gap:3rem;flex:1}.step-item{display:flex;gap:1.5rem}.step-number{flex-shrink:0;width:3rem;height:3rem;border-radius:50%;background:#6366f10d;border:1px solid rgba(99,102,241,.2);display:flex;align-items:center;justify-content:center;font-weight:700;color:#818cf8}.step-content h3{font-size:1.25rem;font-weight:600;margin-bottom:.5rem}.step-content p{color:var(--text-secondary)}.hiw-visual{flex:1;background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:1rem;overflow:hidden}.chat-interface{padding:1.5rem;display:flex;flex-direction:column;gap:1.5rem}.chat-msg{display:flex;gap:1rem;max-width:85%}.chat-msg.user{align-self:flex-start}.chat-msg.bot{align-self:flex-end;flex-direction:row-reverse}.msg-bubble{padding:1rem;border-radius:1rem;font-size:.9rem}.user .msg-bubble{background:var(--bg-tertiary);color:var(--text-primary);border-top-left-radius:.25rem}.bot .msg-bubble{background:#6366f11a;color:#c7d2fe;border:1px solid rgba(99,102,241,.2);border-top-right-radius:.25rem}.pricing-section{padding:var(--section-spacing) 0}.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:2rem}.pricing-card{background:var(--card-bg);box-shadow:var(--card-shadow);border:1px solid var(--border-light);border-radius:1rem;padding:2rem;display:flex;flex-direction:column;position:relative}.pricing-card.highlight{background:#1e293b99;border-color:var(--color-primary);box-shadow:0 10px 30px -10px #6366f14d}.popular-badge{position:absolute;top:-.75rem;left:50%;transform:translate(-50%);background:var(--gradient-btn);padding:.25rem 1rem;border-radius:1rem;font-size:.75rem;font-weight:700;text-transform:uppercase}.price{font-size:2.5rem;font-weight:700;margin:1rem 0 .5rem}.period{font-size:.875rem;color:var(--text-secondary);font-weight:400}.plan-desc{color:var(--text-secondary);font-size:.9rem;margin-bottom:2rem;min-height:2.5rem}.features-list{margin-bottom:2rem;flex:1}.features-list li{display:flex;gap:.75rem;margin-bottom:.75rem;font-size:.9rem;color:var(--text-secondary)}.features-list li svg{color:#818cf8;flex-shrink:0}.btn-full{width:100%;padding:.75rem;border-radius:.5rem;font-weight:500;background:var(--bg-tertiary);color:#fff;transition:all .2s}.btn-full:hover{background:#475569}.highlight .btn-full{background:var(--color-primary)}.highlight .btn-full:hover{background:var(--color-secondary)}.footer{border-top:1px solid var(--border-light);padding:4rem 0 2rem;background:#0b1120}.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:3rem;margin-bottom:3rem}.footer-col h4{color:var(--text-primary);margin-bottom:1.5rem;font-weight:600}.footer-col ul li{margin-bottom:.75rem}.footer-col ul a{color:var(--text-secondary)}.footer-col ul a:hover{color:var(--color-primary)}.social-links{display:flex;gap:1rem;margin-top:1.5rem}.social-link{width:2.5rem;height:2.5rem;border-radius:50%;background:var(--bg-secondary);display:flex;align-items:center;justify-content:center;color:var(--text-secondary);transition:all .2s}.social-link:hover{background:var(--bg-tertiary);color:#fff}.footer-bottom{padding-top:2rem;border-top:1px solid var(--border-light);display:flex;justify-content:space-between;color:var(--text-tertiary);font-size:.875rem;flex-wrap:wrap;gap:1rem}@media(min-width:768px){.hero-title{font-size:4rem}.mobile-toggle{display:none}}@media(max-width:768px){.desktop-nav,.header-actions{display:none}.mobile-toggle{display:block}.hiw-container{flex-direction:column}.hero-title{font-size:2.5rem}}@media(min-width:1024px){.hiw-container{flex-direction:row;align-items:center}.hero-title{font-size:4.5rem}}.reveal-item{opacity:0;transform:translateY(30px);transition:opacity .8s cubic-bezier(.5,0,0,1),transform .8s cubic-bezier(.5,0,0,1);will-change:opacity,transform}.reveal-item.is-visible{opacity:1;transform:translateY(0)}.reveal-full-height{height:100%;display:flex;flex-direction:column}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-15px)}to{transform:translateY(0)}}@keyframes pulse-glow{0%,to{opacity:.5;transform:scale(1)}50%{opacity:.8;transform:scale(1.05)}}.animate-float{animation:float 6s ease-in-out infinite}.animate-pulse-slow{animation:pulse-glow 4s ease-in-out infinite}.hover-lift{transition:transform .3s cubic-bezier(.34,1.56,.64,1)}.hover-lift:hover{transform:translateY(-8px) scale(1.02)}.pricing-card.hover-lift:hover{transform:translateY(-8px)}.hover-glow:hover{box-shadow:0 0 20px #6366f166;border-color:#6366f180}