:root{--gradient-primary: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #06b6d4 100%);--gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e293b 25%, #334155 100%);--gradient-card: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);--gradient-accent: linear-gradient(90deg, #06b6d4 0%, #0891b2 100%);--gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);--gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, .1) 0%, rgba(255, 255, 255, .05) 100%);--color-reasoning-blue: #1e40af;--color-insight-cyan: #06b6d4;--color-premium-indigo: #4f46e5;--color-success-emerald: #10b981;--color-slate-900: #0f172a;--color-slate-800: #1e293b;--color-slate-700: #334155;--color-slate-600: #475569;--color-slate-500: #64748b;--color-slate-400: #94a3b8;--color-slate-300: #cbd5e1;--color-slate-200: #e2e8f0;--color-slate-100: #f1f5f9;--color-slate-50: #f8fafc;--color-logic-gray: #334155;--color-insight-teal: #06b6d4;--color-truth-white: #ffffff;--color-premise-gray: #f8fafc;--color-evidence-silver: #e2e8f0;--color-warning-amber: #f59e0b;--color-error-red: #ef4444;--color-connection-green: #10b981;--color-dependency-blue: #3b82f6;--color-uncertainty-orange: #f59e0b;--space-base: 24px;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 32px;--space-xl: 48px;--space-2xl: 64px;--space-3xl: 96px;--font-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", "SF Mono", "Monaco", "Inconsolata", monospace;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 1.875rem;--text-4xl: 2.5rem;--text-5xl: 3.5rem;--text-6xl: 4rem;--text-7xl: 5rem;--tracking-tighter: -.05em;--tracking-tight: -.025em;--tracking-normal: 0em;--tracking-wide: .025em;--tracking-wider: .05em;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-base: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 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2rem}.argument-section{margin-bottom:3rem}.section-title{display:flex;align-items:center;gap:.75rem;font-size:var(--text-xl);font-weight:600;color:var(--color-slate-800);margin-bottom:1.5rem;padding-bottom:.75rem;border-bottom:2px solid var(--color-slate-200)}.section-icon{color:var(--color-insight-cyan);font-size:var(--text-lg)}.thesis-card{background:linear-gradient(135deg,#06b6d414,#10b98114);border:1px solid rgba(6,182,212,.3);border-radius:var(--radius-lg);padding:2rem}.thesis-card p{color:var(--color-slate-700);font-size:var(--text-lg);line-height:1.8;font-weight:500;margin:0}.premises-grid{display:flex;flex-direction:column;gap:1.5rem}.premise-card{background:var(--color-truth-white);border:1px solid var(--color-slate-200);border-left:4px solid var(--color-dependency-blue);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-sm);transition:all 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h4{color:var(--color-slate-800);font-size:var(--text-lg);font-weight:600;margin-bottom:.5rem}.objection-card>p{color:var(--color-slate-600);font-size:var(--text-base);line-height:1.6;font-style:italic;margin-bottom:1rem}.response{background:var(--color-slate-50);border-radius:var(--radius-base);padding:1rem}.response-label{display:inline-block;padding:.25rem .75rem;background:#10b9811a;color:var(--color-success-emerald);border-radius:100px;font-size:var(--text-xs);font-weight:600;text-transform:uppercase;letter-spacing:.03em;margin-bottom:.75rem}.response p{color:var(--color-slate-600);font-size:var(--text-sm);line-height:1.7;margin:0}.source-card{background:var(--color-truth-white);border:1px solid var(--color-slate-200);border-left:4px solid var(--color-insight-cyan);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-sm)}.source-description{color:var(--color-slate-600);font-size:var(--text-base);line-height:1.7;margin-bottom:1rem}.source-link{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}.source-label{color:var(--color-slate-500);font-size:var(--text-sm);font-weight:500}.source-link a{color:var(--color-insight-cyan);font-size:var(--text-sm);text-decoration:none;transition:color var(--transition-fast)}.source-link a:hover{color:var(--color-reasoning-blue);text-decoration:underline}.video-embed{margin-top:1.5rem;display:flex;justify-content:center}.video-embed iframe{border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}.original-argument-card{background:var(--color-slate-50);border:1px solid var(--color-slate-200);border-radius:var(--radius-lg);padding:1.5rem}.original-premises p{color:var(--color-slate-600);font-size:var(--text-sm);line-height:1.7;margin-bottom:.75rem;padding-left:1rem;border-left:2px solid var(--color-slate-300)}.original-premises p:last-child{margin-bottom:0;border-left-color:var(--color-slate-500);font-weight:500}.original-premises strong{color:var(--color-slate-700)}.fallacies-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem}.fallacy-card{background:var(--color-truth-white);border:1px solid rgba(239,68,68,.3);border-radius:var(--radius-lg);padding:1.25rem;box-shadow:var(--shadow-sm)}.fallacy-card h4{color:var(--color-error-red);font-size:var(--text-base);font-weight:600;margin-bottom:.5rem}.fallacy-card p{color:var(--color-slate-600);font-size:var(--text-sm);line-height:1.6;margin-bottom:.75rem}.fallacy-fix{display:block;color:var(--color-success-emerald);font-size:var(--text-xs);font-weight:500;padding-top:.5rem;border-top:1px solid var(--color-slate-100)}.argument-cta{margin-top:4rem;text-align:center}.cta-content{background:var(--gradient-hero);border-radius:var(--radius-xl);padding:3rem 2rem;position:relative;overflow:hidden}.cta-content:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 50%,rgba(6,182,212,.2) 0%,transparent 70%);pointer-events:none}.cta-content h3{position:relative;color:var(--color-truth-white);font-size:var(--text-2xl);margin-bottom:1rem}.cta-content p{position:relative;color:var(--color-slate-300);font-size:var(--text-lg);max-width:500px;margin:0 auto 2rem}.cta-content .btn{position:relative}@media(max-width:768px){.argument-header{padding:2rem 0 3rem}.argument-header-content{padding:0 1.5rem}.argument-title{font-size:1.5rem}.argument-summary{font-size:var(--text-base)}.argument-container{padding:0 1.5rem}.meta-divider{display:none}.argument-meta{flex-direction:column;align-items:flex-start;gap:1rem}.logic-step{flex-direction:column}.logic-connector{transform:rotate(90deg)}.conclusion-header{flex-direction:column;align-items:flex-start}.premise-card,.conclusion-card{padding:1.25rem}.cta-content{padding:2rem 1.5rem}}@media(max-width:480px){.section-title{font-size:var(--text-lg)}.thesis-card{padding:1.5rem}.thesis-card p{font-size:var(--text-base)}.premise-header{flex-direction:column;align-items:flex-start}.conclusion-title{font-size:var(--text-lg)}}