.landing-container{min-height:100vh;background-color:var(--bg-primary);color:var(--text-primary);font-family:Inter,sans-serif;overflow-x:hidden}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-10px)}to{transform:translateY(0)}}@keyframes glow{0%{text-shadow:0 0 10px rgba(100,108,255,.5)}50%{text-shadow:0 0 20px rgba(100,108,255,.8),0 0 30px rgba(100,108,255,.6)}to{text-shadow:0 0 10px rgba(100,108,255,.5)}}.reveal{opacity:0;transform:translateY(50px);transition:all 1s ease-out}.reveal.active{opacity:1;transform:translateY(0)}.hero-section{position:relative;height:90vh;display:flex;align-items:center;justify-content:center;overflow:hidden;background:#1a1a1a}.hero-background{position:absolute;top:0;left:0;width:100%;height:100%;z-index:0;opacity:.4;transition:transform .5s ease}.hero-content{position:relative;z-index:1;text-align:center;max-width:800px;padding:0 2rem}.hero-title{font-size:4rem;font-weight:800;margin-bottom:1.5rem;line-height:1.1;background:linear-gradient(135deg,#fff,#a5a5a5);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.02em}.brand-highlight{color:var(--accent-color);-webkit-text-fill-color:var(--accent-color);animation:glow 3s infinite}.hero-subtitle{font-size:1.25rem;color:var(--text-secondary);margin-bottom:3rem;line-height:1.6}.cta-button{display:inline-block;padding:1rem 2.5rem;font-size:1.1rem;font-weight:600;color:#fff;background:linear-gradient(135deg,var(--accent-color),var(--accent-hover));border-radius:50px;text-decoration:none;transition:all .3s ease;box-shadow:0 4px 15px #646cff4d;border:1px solid rgba(255,255,255,.1)}.cta-button:hover{transform:translateY(-2px);box-shadow:0 8px 25px #646cff66;background:linear-gradient(135deg,var(--accent-hover),var(--accent-color))}.features-section{padding:6rem 2rem;background-color:var(--bg-primary);position:relative}.section-header{text-align:center;margin-bottom:4rem}.section-title{font-size:2.5rem;font-weight:700;margin-bottom:1rem;color:var(--text-primary)}.section-subtitle{color:var(--text-secondary);font-size:1.1rem}.feature-showcase{display:flex;justify-content:center;margin-bottom:4rem;padding:0 2rem}.dashboard-image{max-width:1000px;width:100%;border-radius:16px;box-shadow:0 20px 50px #00000080;border:1px solid var(--border-color);transition:transform .5s ease}.dashboard-image:hover{transform:scale(1.02)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;max-width:1200px;margin:0 auto}.feature-card{background:#2d2d2d80;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:2rem;border-radius:16px;border:1px solid var(--border-color);transition:all .3s ease;position:relative;overflow:hidden}.feature-card:hover{transform:translateY(-5px);border-color:var(--accent-color);background:#2d2d2dcc}.feature-icon{font-size:2.5rem;margin-bottom:1.5rem;color:var(--accent-color)}.feature-title{font-size:1.5rem;font-weight:600;margin-bottom:1rem;color:var(--text-primary)}.feature-desc{color:var(--text-secondary);line-height:1.6}.audience-section{padding:6rem 2rem;background-color:var(--bg-secondary);text-align:center}.audience-grid{display:flex;justify-content:center;flex-wrap:wrap;gap:3rem;max-width:1000px;margin:0 auto}.audience-item{flex:1;min-width:250px;padding:2rem;background:var(--bg-primary);border-radius:12px;border:1px solid var(--border-color);transition:transform .3s ease}.audience-item:hover{transform:scale(1.05);border-color:var(--success-color)}.audience-title{font-size:1.25rem;font-weight:600;margin-top:1rem;color:var(--text-primary)}.landing-footer{padding:2rem;background-color:#111;border-top:1px solid var(--border-color);text-align:center;color:var(--text-secondary)}.footer-content{display:flex;justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;flex-wrap:wrap;gap:1rem}.footer-brand{font-weight:700;font-size:1.2rem;color:var(--text-primary)}.footer-links a{color:var(--text-secondary);margin-left:2rem;text-decoration:none;transition:color .2s}.footer-links a:hover{color:var(--accent-color)}@media(max-width:768px){.hero-title{font-size:2.5rem}.footer-content{flex-direction:column;text-align:center}.footer-links a{margin:0 1rem}}:root{--bg-primary: #1a1a1a;--bg-secondary: #2d2d2d;--text-primary: #ffffff;--text-secondary: #a0a0a0;--accent-color: #646cff;--accent-hover: #535bf2;--border-color: #404040;--success-color: #4caf50;--error-color: #f44336}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}button{cursor:pointer;border:none;outline:none;font-family:inherit}.app-container{display:flex;height:100vh;width:100vw;overflow:hidden}.sidebar{width:260px;background-color:var(--bg-secondary);border-right:1px solid var(--border-color);display:flex;flex-direction:column;padding:1rem}.main-content{flex:1;display:flex;flex-direction:column;background-color:var(--bg-primary);position:relative}.chat-interface{flex:1;overflow-y:auto;padding:1rem 2rem;display:flex;flex-direction:column;gap:.5rem;margin:0 auto;width:90%}.chat-interface::-webkit-scrollbar{width:8px}.chat-interface::-webkit-scrollbar-track{background:transparent}.chat-interface::-webkit-scrollbar-thumb{background-color:var(--border-color);border-radius:4px}.chat-interface::-webkit-scrollbar-thumb:hover{background-color:var(--text-secondary)}.notebook-cell{display:flex;flex-direction:row;align-items:flex-start;gap:10px;width:100%;font-family:Menlo,Monaco,Courier New,monospace}.cell-gutter{width:80px;text-align:right;padding-top:4px;font-size:.85rem;color:var(--accent-color);-webkit-user-select:none;user-select:none;flex-shrink:0}.cell-gutter.out{color:var(--error-color)}.cell-content{flex:1;padding:4px 8px;background-color:transparent;width:100%;overflow-x:auto}.cell-content.input{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:2px;padding:8px 12px;color:var(--text-primary)}.cell-content.output{padding:8px 12px;color:var(--text-primary)}.action-card{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;padding:1rem;cursor:pointer;transition:all .2s ease}.action-card:hover{border-color:var(--accent-color);transform:translateY(-2px)}.input-area{padding:1.5rem;background-color:var(--bg-primary);border-top:1px solid var(--border-color);display:flex;gap:10px}.login-container{display:flex;justify-content:center;align-items:center;height:100vh;background-color:var(--bg-primary);background-image:radial-gradient(circle at 50% 50%,#2d2d2d,#1a1a1a)}.login-card{padding:2.5rem;background-color:#2d2d2dcc;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border-color);border-radius:16px;width:100%;max-width:420px;box-shadow:0 8px 32px #0003}.login-title{text-align:center;margin-bottom:2rem;color:var(--text-primary);font-size:1.5rem;font-weight:600}.form-group{margin-bottom:1.5rem}.form-label{display:block;margin-bottom:.5rem;color:var(--text-secondary);font-size:.9rem}.form-input{width:100%;padding:.75rem 1rem;border-radius:8px;border:1px solid var(--border-color);background-color:var(--bg-primary);color:var(--text-primary);font-size:1rem;transition:border-color .2s}.form-input:focus{border-color:var(--accent-color);outline:none}.btn-primary{width:100%;padding:.875rem;border-radius:8px;background-color:var(--accent-color);color:#fff;font-weight:600;font-size:1rem;transition:background-color .2s}.btn-primary:hover{background-color:var(--accent-hover)}.error-message{color:var(--error-color);margin-bottom:1rem;text-align:center;font-size:.9rem;background-color:#f443361a;padding:.5rem;border-radius:4px}