:root{--bg-primary:#06060f;--bg-secondary:#0c0c1e;--bg-tertiary:#12122a;--bg-card:#12122abf;--bg-glass:#12122a8c;--accent-purple:#6c5ce7;--accent-purple-light:#a29bfe;--accent-cyan:#00cec9;--accent-cyan-light:#55efc4;--accent-gold:#fdcb6e;--accent-warm:#ff9f43;--accent-pink:#fd79a8;--text-primary:#f0f0ff;--text-secondary:#9090bb;--text-muted:#5a5a88;--text-hindi:#ff9f43;--success:#00b894;--error:#ff6b6b;--warning:#feca57;--border:#6c5ce733;--border-hover:#6c5ce780;--gradient-primary:linear-gradient(135deg, #6c5ce7, #00cec9);--gradient-warm:linear-gradient(135deg, #fd79a8, #fdcb6e);--gradient-dark:linear-gradient(180deg, #06060f 0%, #0c0c1e 50%, #12122a 100%);--gradient-glass:linear-gradient(135deg, #6c5ce71a, #00cec90d);--gradient-hero:radial-gradient(ellipse at 50% 0%, #6c5ce726 0%, transparent 70%);--font-display:"Space Grotesk", sans-serif;--font-body:"Inter", sans-serif;--font-hindi:"Noto Sans Devanagari", sans-serif;--space-xs:.25rem;--space-sm:.5rem;--space-md:1rem;--space-lg:1.5rem;--space-xl:2rem;--space-2xl:3rem;--space-3xl:4rem;--space-4xl:6rem;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--shadow-sm:0 2px 8px #0000004d;--shadow-md:0 4px 20px #0006;--shadow-lg:0 8px 40px #00000080;--shadow-glow:0 0 30px #6c5ce74d;--shadow-glow-cyan:0 0 30px #00cec94d;--transition-fast:.15s ease;--transition-normal:.3s ease;--transition-slow:.5s ease;--transition-spring:.5s cubic-bezier(.34, 1.56, .64, 1)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{font-family:var(--font-body);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--accent-purple);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--accent-purple-light)}#three-canvas{z-index:0;pointer-events:none;width:100%;height:100%;position:fixed;top:0;left:0}.navbar{z-index:100;padding:0 var(--space-xl);transition:all var(--transition-normal);-webkit-backdrop-filter:blur(20px);background:#06060fb3;border-bottom:1px solid #0000;position:fixed;top:0;left:0;right:0}.navbar.scrolled{border-bottom-color:var(--border);box-shadow:var(--shadow-sm);background:#06060ff2}.nav-inner{justify-content:space-between;align-items:center;max-width:1200px;height:70px;margin:0 auto;display:flex}.nav-logo{align-items:center;gap:var(--space-sm);color:var(--text-primary);text-decoration:none;display:flex}.logo-icon{background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:1.5rem}.logo-text{font-family:var(--font-display);letter-spacing:-.02em;font-size:1.25rem;font-weight:700}.logo-accent{background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.nav-links{align-items:center;gap:var(--space-xl);display:flex}.nav-link{color:var(--text-secondary);transition:color var(--transition-fast);font-size:.9rem;font-weight:500;text-decoration:none;position:relative}.nav-link:after{content:"";background:var(--gradient-primary);width:0;height:2px;transition:width var(--transition-normal);position:absolute;bottom:-4px;left:0}.nav-link:hover{color:var(--text-primary)}.nav-link:hover:after{width:100%}.nav-cta{border-radius:var(--radius-full);background:var(--gradient-primary);color:#fff;font-family:var(--font-body);cursor:pointer;transition:all var(--transition-normal);border:none;padding:10px 24px;font-size:.9rem;font-weight:600;box-shadow:0 4px 15px #6c5ce74d}.nav-cta:hover{transform:translateY(-2px);box-shadow:0 6px 25px #6c5ce780}.mobile-menu-btn{cursor:pointer;background:0 0;border:none;flex-direction:column;gap:5px;padding:8px;display:none}.mobile-menu-btn span{background:var(--text-primary);width:24px;height:2px;transition:all var(--transition-normal);border-radius:2px}.mobile-menu{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);padding:var(--space-xl);gap:var(--space-lg);z-index:99;border-bottom:1px solid var(--border);opacity:0;transition:all var(--transition-normal);background:#06060ffa;flex-direction:column;display:none;position:fixed;top:70px;left:0;right:0;transform:translateY(-20px)}.mobile-menu.open{opacity:1;display:flex;transform:translateY(0)}.mobile-link{color:var(--text-secondary);padding:var(--space-sm) 0;font-size:1.1rem;font-weight:500;text-decoration:none}.mobile-cta{text-align:center;width:100%}.hero-section{text-align:center;min-height:100vh;padding:120px var(--space-xl) var(--space-3xl);z-index:1;flex-direction:column;justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.hero-section:before{content:"";background:var(--gradient-hero);pointer-events:none;position:absolute;inset:0}.hero-section:after{content:"";background:linear-gradient(transparent, var(--bg-primary));pointer-events:none;height:200px;position:absolute;bottom:0;left:0;right:0}.hero-content{max-width:800px;animation:1.2s ease-out heroFadeIn;position:relative}@keyframes heroFadeIn{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.hero-badge{align-items:center;gap:var(--space-sm);border:1px solid var(--border);border-radius:var(--radius-full);color:var(--text-secondary);margin-bottom:var(--space-xl);background:var(--bg-glass);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:8px 20px;font-size:.8rem;animation:1.2s ease-out .2s both heroFadeIn;display:inline-flex}.badge-dot{background:var(--success);border-radius:50%;width:8px;height:8px;animation:2s infinite pulse}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}.hero-title{font-family:var(--font-display);letter-spacing:-.03em;margin-bottom:var(--space-lg);font-weight:800;line-height:1.1}.title-line{display:block}.line-1{color:var(--text-primary);font-size:clamp(3rem,8vw,5.5rem);animation:1.2s ease-out .3s both heroFadeIn}.line-2{background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:clamp(3.5rem,10vw,7rem);animation:1.2s ease-out .5s both heroFadeIn}.hero-tagline{color:var(--text-secondary);margin-bottom:var(--space-lg);font-size:clamp(1rem,2.5vw,1.3rem);font-weight:400;animation:1.2s ease-out .6s both heroFadeIn}.tagline-accent{color:var(--accent-cyan);font-weight:600}.hero-subtitle{color:var(--text-muted);max-width:600px;margin:0 auto var(--space-2xl);font-size:clamp(.9rem,1.5vw,1.05rem);line-height:1.7;animation:1.2s ease-out .7s both heroFadeIn}.lang-hindi{font-family:var(--font-hindi);color:var(--text-hindi);font-weight:600}.hero-actions{gap:var(--space-md);margin-bottom:var(--space-3xl);flex-wrap:wrap;justify-content:center;animation:1.2s ease-out .8s both heroFadeIn;display:flex}.btn-primary{align-items:center;gap:var(--space-sm);border-radius:var(--radius-md);background:var(--gradient-primary);color:#fff;font-family:var(--font-body);cursor:pointer;transition:all var(--transition-normal);border:none;padding:14px 32px;font-size:1rem;font-weight:600;display:inline-flex;position:relative;overflow:hidden}.btn-primary:before{content:"";opacity:0;transition:opacity var(--transition-normal);background:linear-gradient(135deg,#ffffff1a,#0000);position:absolute;inset:0}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 8px 30px #6c5ce766}.btn-primary:hover:before{opacity:1}.btn-primary:active{transform:translateY(-1px)}.btn-glow{animation:3s infinite glowPulse;box-shadow:0 4px 20px #6c5ce74d}@keyframes glowPulse{0%,to{box-shadow:0 4px 20px #6c5ce74d}50%{box-shadow:0 4px 35px #6c5ce780}}.btn-secondary{align-items:center;gap:var(--space-sm);border:1px solid var(--border-hover);border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font-body);cursor:pointer;transition:all var(--transition-normal);background:0 0;padding:14px 32px;font-size:1rem;font-weight:500;text-decoration:none;display:inline-flex}.btn-secondary:hover{border-color:var(--accent-purple);background:#6c5ce71a;transform:translateY(-2px)}.btn-sm{padding:10px 20px;font-size:.9rem}.btn-large{padding:18px 40px;font-size:1.1rem}.btn-full{justify-content:center;width:100%}.btn-icon{font-size:1.1em}.btn-back{align-items:center;gap:var(--space-sm);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);font-family:var(--font-body);cursor:pointer;transition:all var(--transition-fast);margin-bottom:var(--space-xl);background:0 0;padding:8px 16px;font-size:.85rem;display:inline-flex}.btn-back:hover{color:var(--text-primary);border-color:var(--border-hover)}.hero-stats{justify-content:center;align-items:center;gap:var(--space-xl);animation:1.2s ease-out 1s both heroFadeIn;display:flex}.stat{flex-direction:column;align-items:center;gap:4px;display:flex}.stat-value{font-family:var(--font-display);background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:1.5rem;font-weight:700}.stat-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;font-size:.75rem}.stat-divider{background:var(--border);width:1px;height:40px}.scroll-indicator{align-items:center;gap:var(--space-sm);color:var(--text-muted);letter-spacing:.1em;text-transform:uppercase;z-index:2;flex-direction:column;font-size:.75rem;animation:1.2s ease-out 1.5s both fadeInUp;display:flex;position:absolute;bottom:40px;left:50%;transform:translate(-50%)}@keyframes fadeInUp{0%{opacity:0;transform:translate(-50%,20px)}to{opacity:1;transform:translate(-50%)}}.scroll-arrow{background:var(--accent-purple);width:1px;height:30px;animation:2s ease-in-out infinite scrollBounce;position:relative}.scroll-arrow:after{content:"";border-bottom:2px solid var(--accent-purple);border-right:2px solid var(--accent-purple);width:8px;height:8px;position:absolute;bottom:0;left:50%;transform:translate(-50%)rotate(45deg)}@keyframes scrollBounce{0%,to{opacity:1;transform:translateY(0)}50%{opacity:.5;transform:translateY(10px)}}.section{padding:var(--space-4xl) var(--space-xl);z-index:1;position:relative}.container{max-width:1100px;margin:0 auto}.section-header{text-align:center;margin-bottom:var(--space-3xl)}.section-label{text-transform:uppercase;letter-spacing:.15em;color:var(--accent-purple-light);margin-bottom:var(--space-md);border-radius:var(--radius-full);background:#6c5ce714;border:1px solid #6c5ce74d;padding:6px 16px;font-size:.8rem;font-weight:600;display:inline-block}.section-title{font-family:var(--font-display);letter-spacing:-.02em;margin-bottom:var(--space-md);font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;line-height:1.2}.gradient-text{background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.section-desc{color:var(--text-secondary);max-width:600px;margin:0 auto;font-size:1.05rem;line-height:1.7}.problem-grid{gap:var(--space-xl);grid-template-columns:repeat(auto-fit,minmax(280px,1fr));display:grid}.problem-card{padding:var(--space-2xl);border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all var(--transition-normal)}.problem-card:hover{border-color:var(--border-hover);box-shadow:var(--shadow-glow);transform:translateY(-5px)}.problem-icon{margin-bottom:var(--space-md);font-size:2.5rem}.problem-card h3{font-family:var(--font-display);margin-bottom:var(--space-sm);font-size:1.2rem;font-weight:700}.problem-card p{color:var(--text-secondary);font-size:.95rem;line-height:1.6}.features-grid{gap:var(--space-xl);grid-template-columns:repeat(auto-fit,minmax(300px,1fr));display:grid}.feature-card{padding:var(--space-2xl);border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all var(--transition-slow);cursor:default;position:relative;overflow:hidden}.feature-glow{opacity:0;width:200%;height:200%;transition:opacity var(--transition-slow);pointer-events:none;background:radial-gradient(circle,#6c5ce714,#0000 50%);position:absolute;top:-50%;left:-50%}.feature-card:hover .feature-glow{opacity:1}.feature-card:hover{border-color:var(--border-hover);box-shadow:var(--shadow-glow);transform:translateY(-8px)scale(1.02)}.feature-icon{margin-bottom:var(--space-md);font-size:2.5rem}.feature-card h3{font-family:var(--font-display);margin-bottom:var(--space-sm);font-size:1.15rem;font-weight:700}.feature-card p{color:var(--text-secondary);font-size:.92rem;line-height:1.6}.steps-container{max-width:700px;margin:0 auto;position:relative}.step-connector{background:linear-gradient(to bottom, var(--accent-purple), var(--accent-cyan));opacity:.3;width:2px;position:absolute;top:40px;bottom:40px;left:32px}.step{gap:var(--space-xl);padding:var(--space-xl) 0;display:flex;position:relative}.step-number{width:64px;height:64px;font-family:var(--font-display);background:var(--bg-tertiary);border:2px solid var(--accent-purple);color:var(--accent-purple-light);z-index:1;transition:all var(--transition-normal);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:1.2rem;font-weight:700;display:flex;position:relative}.step:hover .step-number{background:var(--accent-purple);color:#fff;box-shadow:var(--shadow-glow)}.step-content h3{font-family:var(--font-display);margin-bottom:var(--space-xs);font-size:1.2rem;font-weight:700}.step-content p{color:var(--text-secondary);font-size:.95rem;line-height:1.6}.comparison-grid{gap:var(--space-xl);grid-template-columns:1fr auto 1fr;align-items:start;display:grid}.comparison-col{padding:var(--space-2xl);border-radius:var(--radius-lg);border:1px solid var(--border);background:var(--bg-card)}.chatgpt-col{border-color:#ff6b6b33}.bridge-col{background:#00cec90d;border-color:#00cec94d}.comparison-heading{font-family:var(--font-display);margin-bottom:var(--space-lg);padding-bottom:var(--space-md);border-bottom:1px solid var(--border);font-size:1.3rem;font-weight:700}.comparison-vs{font-family:var(--font-display);color:var(--text-muted);padding-top:var(--space-3xl);justify-content:center;align-items:center;font-size:1.5rem;font-weight:800;display:flex}.comparison-list{gap:var(--space-md);flex-direction:column;list-style:none;display:flex}.comparison-list li{align-items:flex-start;gap:var(--space-sm);color:var(--text-secondary);font-size:.95rem;line-height:1.5;display:flex}.comparison-list li:before{flex-shrink:0;margin-top:2px;font-size:1rem}.comparison-list li.negative:before{content:"✗";color:var(--error)}.comparison-list li.positive:before{content:"✓";color:var(--success)}.demo-section{background:var(--gradient-hero)}.demo-cta-area{gap:var(--space-lg);flex-wrap:wrap;justify-content:center;display:flex}.app-container{z-index:200;background:var(--bg-primary);transition:opacity var(--transition-normal);position:fixed;inset:0;overflow-y:auto}.app-container.hidden{display:none}.page{min-height:100vh;padding:var(--space-3xl) var(--space-xl)}.page.hidden{display:none}.page-inner{max-width:800px;margin:0 auto}.modal-overlay{z-index:300;padding:var(--space-xl);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#000000b3;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-overlay.hidden{display:none}.modal-card{background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-xl);padding:var(--space-2xl);width:100%;max-width:480px;box-shadow:var(--shadow-lg)}.modal-header h2{font-family:var(--font-display);margin-bottom:var(--space-sm);font-size:1.4rem;font-weight:700}.modal-header p{color:var(--text-secondary);font-size:.9rem;line-height:1.6}.modal-body{margin:var(--space-xl) 0}.input-label{color:var(--text-secondary);margin-bottom:var(--space-sm);text-transform:uppercase;letter-spacing:.05em;font-size:.85rem;font-weight:600;display:block}.input-field{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-secondary);width:100%;color:var(--text-primary);font-family:var(--font-body);transition:border-color var(--transition-fast);outline:none;padding:14px 18px;font-size:1rem}.input-field:focus{border-color:var(--accent-purple);box-shadow:0 0 0 3px #6c5ce726}.help-link{margin-top:var(--space-sm);color:var(--accent-cyan);transition:color var(--transition-fast);font-size:.85rem;text-decoration:none;display:inline-block}.help-link:hover{color:var(--accent-cyan-light)}.modal-footer{gap:var(--space-md);justify-content:flex-end;display:flex}.upload-header{text-align:center;margin-bottom:var(--space-2xl)}.upload-header h1{font-family:var(--font-display);margin-bottom:var(--space-sm);font-size:2rem;font-weight:800}.upload-header p{color:var(--text-secondary);font-size:1rem}.picker-row{gap:var(--space-lg);margin-bottom:var(--space-xl);grid-template-columns:1fr 1fr;display:grid}.picker-label{color:var(--text-secondary);margin-bottom:var(--space-sm);text-transform:uppercase;letter-spacing:.05em;font-size:.85rem;font-weight:600;display:block}.select-field{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-secondary);width:100%;color:var(--text-primary);font-family:var(--font-body);cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239090bb' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");background-position:right 16px center;background-repeat:no-repeat;outline:none;padding:12px 16px;font-size:.95rem}.select-field:focus{border-color:var(--accent-purple)}.upload-zone{border:2px dashed var(--border);border-radius:var(--radius-xl);padding:var(--space-4xl) var(--space-xl);text-align:center;cursor:pointer;transition:all var(--transition-normal);margin-bottom:var(--space-xl);background:var(--bg-card);position:relative;overflow:hidden}.upload-zone:before{content:"";opacity:0;transition:opacity var(--transition-normal);background:radial-gradient(circle,#6c5ce70d,#0000);position:absolute;inset:0}.upload-zone:hover,.upload-zone.dragover{border-color:var(--accent-purple);background:#6c5ce70d}.upload-zone:hover:before,.upload-zone.dragover:before{opacity:1}.upload-zone.has-file{border-color:var(--success);border-style:solid}.upload-icon{color:var(--text-muted);margin-bottom:var(--space-md);transition:color var(--transition-normal)}.upload-zone:hover .upload-icon{color:var(--accent-purple)}.upload-text{margin-bottom:var(--space-xs);font-size:1.1rem;font-weight:600}.upload-subtext{color:var(--text-muted);font-size:.85rem}.paste-section{margin-bottom:var(--space-xl)}.divider-text{text-align:center;color:var(--text-muted);margin-bottom:var(--space-md);font-size:.85rem;position:relative}.divider-text:before,.divider-text:after{content:"";background:var(--border);width:calc(50% - 80px);height:1px;position:absolute;top:50%}.divider-text:before{left:0}.divider-text:after{right:0}.textarea-field{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-secondary);width:100%;color:var(--text-primary);font-family:var(--font-body);resize:vertical;transition:border-color var(--transition-fast);outline:none;padding:14px 18px;font-size:.95rem;line-height:1.6}.textarea-field:focus{border-color:var(--accent-purple);box-shadow:0 0 0 3px #6c5ce726}.processing{text-align:center;padding:var(--space-2xl)}.processing.hidden{display:none}.processing-spinner{border:3px solid var(--border);border-top-color:var(--accent-purple);width:48px;height:48px;margin:0 auto var(--space-md);border-radius:50%;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.processing-text{color:var(--accent-purple-light);margin-bottom:var(--space-lg);font-size:1rem;font-weight:600}.processing-steps{gap:var(--space-sm);flex-direction:column;max-width:250px;margin:0 auto;display:flex}.p-step{align-items:center;gap:var(--space-sm);color:var(--text-muted);transition:color var(--transition-fast);font-size:.9rem;display:flex}.p-step.active{color:var(--accent-purple-light)}.p-step.done{color:var(--success)}.p-step.done .p-check{content:"✓"}.learn-page{max-width:900px}.learn-progress-bar{z-index:10;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:var(--space-md) 0;margin-bottom:var(--space-xl);background:#06060ff2;position:sticky;top:0}.progress-info{color:var(--text-secondary);margin-bottom:var(--space-sm);justify-content:space-between;font-size:.85rem;display:flex}.progress-track{background:var(--bg-tertiary);border-radius:var(--radius-full);height:6px;overflow:hidden}.progress-fill{background:var(--gradient-primary);border-radius:var(--radius-full);height:100%;transition:width var(--transition-slow)}.concept-map{gap:var(--space-sm);margin-bottom:var(--space-2xl);padding:var(--space-sm) 0;display:flex;overflow-x:auto}.concept-map-item{border:1px solid var(--border);border-radius:var(--radius-full);color:var(--text-muted);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;flex-shrink:0;padding:8px 16px;font-size:.8rem;font-weight:500}.concept-map-item.current{border-color:var(--accent-purple);color:var(--accent-purple-light);background:#6c5ce726}.concept-map-item.completed{border-color:var(--success);color:var(--success);background:#00b8941a}.concept-map-item.locked{opacity:.4;cursor:not-allowed}.concept-display{margin-bottom:var(--space-2xl)}.concept-card{border:1px solid var(--border);border-radius:var(--radius-xl);background:var(--bg-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);animation:.5s ease-out slideUp;overflow:hidden}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.concept-header{padding:var(--space-xl) var(--space-2xl);border-bottom:1px solid 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