:root{--brand-dark: #000000;--brand-medium: #6b7280;--brand-light: #e5e7eb;--brand-accent: #05b6d4;--brand-teal: #05b6d4;--brand-background: #ffffff;--brand-surface: #ffffff;--brand-subtle-bg: #f9fafb;--success: #10b981;--warning: #f59e0b;--error: #ef4444;--info: #3b82f6;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow: 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 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / .25);--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--radius-sm: .125rem;--radius-md: .375rem;--radius-lg: .5rem;--radius-xl: .75rem;--radius-2xl: 1rem;--radius-3xl: 1.5rem;--radius-full: 9999px;--transition-fast: .15s ease-in-out;--transition-normal: .25s ease-in-out;--transition-slow: .35s ease-in-out;--z-dropdown: 1000;--z-sticky: 1020;--z-fixed: 1030;--z-modal-backdrop: 1040;--z-modal: 1050;--z-popover: 1060;--z-tooltip: 1070;--z-toast: 1080}[data-theme=dark]{--brand-dark: #f8fafc;--brand-medium: #cbd5e1;--brand-light: #334155;--brand-background: #0f172a;--brand-surface: #1e293b;--success: #34d399;--warning: #fbbf24;--error: #f87171;--info: #60a5fa;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .3);--shadow: 0 1px 3px 0 rgb(0 0 0 / .4), 0 1px 2px -1px rgb(0 0 0 / .4);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .4), 0 2px 4px -2px rgb(0 0 0 / .4);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .4), 0 4px 6px -4px rgb(0 0 0 / .4);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .4), 0 8px 10px -6px rgb(0 0 0 / .4);--shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / .6)}.brand-body{font-family:Figtree,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;color:var(--brand-dark);background-color:var(--brand-background);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color var(--transition-normal),color var(--transition-normal);margin:0;padding:0;min-height:100vh}.navbar-enhanced{background:var(--brand-surface);box-shadow:var(--shadow-sm);border-bottom:1px solid var(--brand-light);position:sticky;top:0;z-index:var(--z-sticky)}.navbar-container{max-width:1200px;margin:0 auto;padding:0 1rem}@media(min-width:640px){.navbar-container{padding:0 1.5rem}}@media(min-width:1024px){.navbar-container{padding:0 2rem}}.navbar-content{display:flex;justify-content:space-between;align-items:center;height:4rem}.navbar-brand{display:flex;align-items:center;gap:1rem}.navbar-links{display:none;align-items:center;gap:2rem}@media(min-width:768px){.navbar-links{display:flex}}.hero-section{position:relative;padding:5rem 0 8rem;overflow:hidden}@media(min-width:640px){.hero-section{padding:8rem 0 10rem}}.hero-background{position:absolute;inset:0;background:linear-gradient(135deg,var(--brand-dark) 0%,var(--brand-dark) 50%,var(--brand-teal) 100%);opacity:.95}.hero-content{position:relative;max-width:1200px;margin:0 auto;padding:0 1rem;text-align:center}@media(min-width:640px){.hero-content{padding:0 1.5rem}}@media(min-width:1024px){.hero-content{padding:0 2rem}}.hero-title{font-size:3rem;font-weight:900;line-height:1.1;margin-bottom:2rem;color:#fff}@media(min-width:640px){.hero-title{font-size:3.75rem}}@media(min-width:1024px){.hero-title{font-size:4.5rem}}.hero-description{font-size:1.25rem;line-height:1.6;color:#e5e7eb;margin-bottom:2.5rem;max-width:48rem;margin-left:auto;margin-right:auto}@media(min-width:640px){.hero-description{font-size:1.5rem}}.hero-benefits{display:flex;flex-direction:column;align-items:center;gap:2rem;margin-bottom:3rem}@media(min-width:640px){.hero-benefits{flex-direction:row;justify-content:center}}.hero-icon{width:2.5rem;height:2.5rem;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.hero-cta{display:inline-flex;align-items:center;gap:.75rem;background:linear-gradient(135deg,var(--brand-accent) 0%,var(--brand-teal) 100%);color:#fff;font-weight:700;font-size:1.125rem;padding:1rem 2rem;border-radius:1rem;box-shadow:0 25px 50px -12px #00000080;transition:all .3s ease;text-decoration:none}.hero-cta:hover{transform:translateY(-4px);box-shadow:0 32px 64px -12px #0009}.hero-cta-subtitle{color:#d1d5db;margin-top:.75rem}.analysis-section{padding:5rem 0;background:var(--brand-background)}.models-section,.features-section,.social-proof-section{padding:5rem 0}.how-it-works-section{padding:5rem 0;background:var(--brand-surface)}.section-container{max-width:1200px;margin:0 auto;padding:0 1rem}@media(min-width:640px){.section-container{padding:0 1.5rem}}@media(min-width:1024px){.section-container{padding:0 2rem}}.section-header{text-align:center;margin-bottom:4rem}.section-header h2{font-size:2.25rem;font-weight:700;color:var(--brand-dark);margin-bottom:1rem}@media(min-width:1024px){.section-header h2{font-size:2.5rem}}.section-header p{font-size:1.25rem;color:var(--brand-medium);max-width:48rem;margin:0 auto}.models-grid,.features-grid{display:grid;grid-template-columns:1fr;gap:2rem}@media(min-width:768px){.models-grid,.features-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:1024px){.models-grid,.features-grid{grid-template-columns:repeat(3,1fr)}}.model-card{text-align:center;transition:all var(--transition-normal);position:relative;overflow:hidden;border-radius:var(--radius-xl);background:var(--brand-surface);border:1px solid var(--brand-light);box-shadow:var(--shadow-sm);padding:var(--space-6)}.model-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-xl);border-color:var(--brand-accent)}.model-card:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(5,182,212,.1),transparent);transition:left .5s ease}.model-card:hover:before{left:100%}.model-logo-container{position:relative;display:flex;align-items:center;justify-content:center;margin:0 auto var(--space-4) auto;transition:all var(--transition-normal)}.model-logo{width:3rem;height:3rem;border-radius:var(--radius-lg);transition:all var(--transition-normal);filter:grayscale(100%) brightness(.7)}.model-card:hover .model-logo{filter:grayscale(0%) brightness(1);transform:scale(1.1)}.model-logo-fallback{width:3rem;height:3rem;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.125rem;color:#fff;transition:all var(--transition-normal)}.model-card:hover .model-logo-fallback{transform:scale(1.1)}.model-icon{width:4rem;height:4rem;border-radius:1rem;display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem;box-shadow:var(--shadow-lg)}.gradient-gpt{background:linear-gradient(135deg,var(--brand-accent) 0%,#16a34a 100%)}.steps-grid{display:grid;grid-template-columns:1fr;gap:3rem}@media(min-width:768px){.steps-grid{grid-template-columns:repeat(3,1fr)}}.step-card{position:relative}.step-number{width:5rem;height:5rem;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem;box-shadow:var(--shadow-lg);font-weight:900;font-size:1.5rem;color:#fff}.step-1{background:linear-gradient(135deg,var(--brand-accent) 0%,var(--brand-teal) 100%)}.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem;margin-bottom:4rem}@media(min-width:768px){.stats-grid{grid-template-columns:repeat(4,1fr)}}.stats-grid>div{text-align:center}.stats-grid .text-4xl{font-size:2.25rem;font-weight:900;margin-bottom:.5rem}.testimonials-grid{display:grid;grid-template-columns:1fr;gap:2rem}@media(min-width:768px){.testimonials-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:1024px){.testimonials-grid{grid-template-columns:repeat(3,1fr)}}.final-cta-section{padding:5rem 0;background:linear-gradient(135deg,var(--brand-dark) 0%,var(--brand-dark) 50%,var(--brand-teal) 100%);position:relative;overflow:hidden}.cta-content{position:relative;max-width:48rem;margin:0 auto;padding:0 1rem;text-align:center}@media(min-width:640px){.cta-content{padding:0 1.5rem}}@media(min-width:1024px){.cta-content{padding:0 2rem}}.cta-buttons{display:flex;flex-direction:column;align-items:center;gap:1.5rem}@media(min-width:640px){.cta-buttons{flex-direction:row;justify-content:center}}.bg-background{background:var(--brand-background)}.bg-white{background:var(--brand-surface)}.text-gray-200{color:#e5e7eb}.text-gray-300{color:#d1d5db}*{box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Figtree,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;color:var(--brand-dark);background-color:var(--brand-background);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color var(--transition-normal),color var(--transition-normal)}[data-high-contrast=true]{--brand-background: #ffffff;--brand-dark: #000000;--brand-medium: #000000;--brand-light: #333333}[data-high-contrast=true] .btn-primary{background:#000;color:#fff;border:2px solid #ffffff}.loading-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#00000080;transition:opacity var(--transition-normal)}.loading-content{background:var(--brand-surface);border:1px solid var(--brand-light);box-shadow:var(--shadow-2xl);max-width:400px;width:90%}.loading-content .brand-mark{animation:pulse 2s cubic-bezier(.4,0,.6,1) infinite}.loading-progress{transition:width .3s ease;background:linear-gradient(90deg,var(--brand-accent),var(--brand-teal));animation:progress-shimmer 2s linear infinite}@keyframes skeleton-loading{0%{background-position:-200px 0}to{background-position:calc(200px + 100%) 0}}@keyframes pulse-skeleton{0%,to{opacity:1}50%{opacity:.5}}.skeleton{position:relative;overflow:hidden;background:var(--brand-light);border-radius:var(--radius-lg)}.skeleton:before{content:"";position:absolute;top:0;left:0;width:200px;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);animation:skeleton-loading 1.5s infinite}.skeleton-card{padding:var(--space-6);border-radius:var(--radius-2xl);background:var(--brand-surface);border:1px solid var(--brand-light)}.skeleton-card .skeleton{margin-bottom:var(--space-3)}.skeleton-card .skeleton:last-child{margin-bottom:0}.skeleton-text{height:1rem;border-radius:var(--radius-md)}.skeleton-text.title{height:1.5rem;width:75%}.skeleton-text.subtitle{height:1.25rem;width:50%}.skeleton-chart{height:200px;background:var(--brand-surface);border:1px solid var(--brand-light);border-radius:var(--radius-xl);position:relative;overflow:hidden}.skeleton-table{background:var(--brand-surface);border:1px solid var(--brand-light);border-radius:var(--radius-xl);overflow:hidden}.skeleton-table .skeleton-row{display:flex;padding:var(--space-4) var(--space-6);border-bottom:1px solid var(--brand-light)}.skeleton-table .skeleton-row:last-child{border-bottom:none}#toast-container{z-index:var(--z-toast)}.toast-enter{transform:translate(0);opacity:1}.toast-exit{transform:translate(100%);opacity:0}.toast-progress{animation:toast-progress 5s linear}@keyframes toast-progress{0%{width:100%}to{width:0%}}.btn-primary{background:linear-gradient(135deg,var(--brand-accent) 0%,var(--brand-teal) 100%);color:#fff;border:none;padding:var(--space-3) var(--space-6);border-radius:var(--radius-xl);font-weight:600;font-size:.875rem;transition:all var(--transition-normal);cursor:pointer;box-shadow:var(--shadow);position:relative;overflow:hidden;min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow)}.btn-primary:focus{outline:none;ring:2px;ring-color:var(--brand-accent);ring-opacity:.5}.btn-secondary{background:var(--brand-surface);color:var(--brand-dark);border:2px solid var(--brand-light);padding:var(--space-3) var(--space-6);border-radius:var(--radius-xl);font-weight:600;font-size:.875rem;transition:all var(--transition-normal);cursor:pointer;box-shadow:var(--shadow-sm);min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2)}.btn-secondary:hover{border-color:var(--brand-accent);color:var(--brand-accent);transform:translateY(-1px);box-shadow:var(--shadow-md)}.touch-friendly{min-height:44px;min-width:44px}.ripple{position:absolute;border-radius:50%;background:#fff9;transform:scale(0);animation:ripple-animation .6s linear;pointer-events:none}@keyframes ripple-animation{to{transform:scale(4);opacity:0}}.modal{position:fixed;top:0;left:0;width:100%;height:100%;z-index:var(--z-modal);display:flex;align-items:center;justify-content:center;padding:var(--space-4)}.modal-backdrop{position:absolute;top:0;left:0;width:100%;height:100%;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-content{background:var(--brand-surface);border-radius:var(--radius-2xl);box-shadow:var(--shadow-2xl);max-width:90vw;max-height:90vh;overflow:auto;position:relative;z-index:1;border:1px solid var(--brand-light)}.focus\:ring-brand-accent:focus{--tw-ring-color: var(--brand-accent)}.focus\:border-brand-accent:focus{border-color:var(--brand-accent)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.focus\:not-sr-only:focus{position:static;width:auto;height:auto;padding:var(--space-2) var(--space-4);margin:0;overflow:visible;clip:auto;white-space:normal}body:not(.keyboard-navigation) *:focus{outline:none}.keyboard-navigation *:focus{outline:2px solid var(--brand-accent);outline-offset:2px}@media(prefers-contrast:high){.btn-primary,.modal-content{border:2px solid currentColor}.skeleton{background:#999}}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeOut{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-20px)}}.fade-in{animation:fadeIn var(--transition-slow) ease-out}.fade-out{animation:fadeOut var(--transition-normal) ease-in}@keyframes slideInRight{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@keyframes slideOutRight{0%{transform:translate(0);opacity:1}to{transform:translate(100%);opacity:0}}.slide-in-right{animation:slideInRight var(--transition-normal) ease-out}.slide-out-right{animation:slideOutRight var(--transition-normal) ease-in}@keyframes scaleIn{0%{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}.scale-in{animation:scaleIn var(--transition-normal) ease-out}@keyframes progress-shimmer{0%{background-position:-200px 0}to{background-position:calc(200px + 100%) 0}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}.loading-content .brand-mark,.toast-progress{animation:none}.ripple{display:none}}@media(hover:none)and (pointer:coarse){.btn-primary:hover,.btn-secondary:hover,.card-enhanced:hover,.hover-lift:hover{transform:none}button,a,input,select,textarea{min-height:44px;min-width:44px}.btn-primary,.btn-secondary{min-height:48px;padding:var(--space-4) var(--space-8)}}@media(max-width:640px){.modal{padding:var(--space-2)}.modal-content{border-radius:var(--radius-xl);max-height:95vh}.loading-content{max-width:95vw;padding:var(--space-6)}#toast-container{top:var(--space-2);right:var(--space-2);left:var(--space-2);max-width:none}.toast{max-width:none;margin-bottom:var(--space-2)}}@media(max-height:500px)and (orientation:landscape){.modal-content{max-height:85vh}.loading-content{padding:var(--space-4)}}.accelerated{transform:translateZ(0);will-change:transform,opacity}.virtual-list{contain:layout style paint}img{max-width:100%;height:auto;loading:lazy}img[loading=lazy]{opacity:0;transition:opacity var(--transition-normal)}img[loading=lazy].loaded{opacity:1}*{transition:background-color var(--transition-normal),border-color var(--transition-normal),color var(--transition-normal),fill var(--transition-normal),stroke var(--transition-normal),opacity var(--transition-normal),box-shadow var(--transition-normal)}@media print{.no-print,.loading-overlay,#toast-container,.modal{display:none!important}body{background:#fff!important;color:#000!important}.card-enhanced{box-shadow:none!important;border:1px solid #ccc!important}}.animate-fade-in{animation:fadeIn var(--transition-slow) ease-out}.animate-scale-in{animation:scaleIn var(--transition-normal) ease-out}.animate-slide-in{animation:slideInRight var(--transition-normal) ease-out}.loading-skeleton{position:relative;overflow:hidden;background:var(--brand-light);border-radius:var(--radius-lg)}.loading-skeleton:before{content:"";position:absolute;top:0;left:0;width:200px;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);animation:skeleton-loading 1.5s infinite}.skeleton-card .loading-skeleton{margin-bottom:var(--space-3)}.skeleton-card .loading-skeleton:last-child{margin-bottom:0}@media(prefers-contrast:high){.loading-skeleton{background:#999}}.loading-pulse{animation:pulse-skeleton 2s cubic-bezier(.4,0,.6,1) infinite}.touch-optimized{min-height:44px;min-width:44px}.no-ripple{position:relative}.focus-ring:focus{outline:2px solid var(--brand-accent);outline-offset:2px}.theme-transition{transition:background-color var(--transition-normal),color var(--transition-normal)}.gpu-accelerated{transform:translateZ(0);backface-visibility:hidden;perspective:1000px}.sr-only-focusable:focus{position:static;width:auto;height:auto;margin:0;overflow:visible;clip:auto}@keyframes bard-dance{0%,to{transform:translateY(0) rotate(0) scale(1)}25%{transform:translateY(-8px) rotate(-5deg) scale(1.05)}50%{transform:translateY(0) rotate(0) scale(1)}75%{transform:translateY(-8px) rotate(5deg) scale(1.05)}}