:root{--bg-light: #FFFFFF;--surface-light: #F5F5F7;--text-primary-light: #1D1D1F;--text-secondary-light: #6E6E73;--text-dim-light: #86868B;--border-light: #D2D2D7;--accent-light: #0071E3;--accent-hover-light: #0051BF;--hover-light: #F5F5F7;--bg-dark: #000000;--surface-dark: #1C1C1E;--text-primary-dark: #F5F5F7;--text-secondary-dark: #A1A1A6;--text-dim-dark: #6E6E73;--border-dark: #38383A;--accent-dark: #0A84FF;--accent-hover-dark: #409CFF;--hover-dark: #2C2C2E;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 32px;--spacing-xl: 48px;--spacing-2xl: 64px;--border-radius: 16px;--border-radius-sm: 8px;--shadow-light: 0 4px 20px rgba(0, 0, 0, .08);--shadow-dark: 0 4px 20px rgba(0, 0, 0, .5);--transition: .3s ease;--transition-fast: .15s ease;--bg: var(--bg-light);--surface: var(--surface-light);--text-primary: var(--text-primary-light);--text-secondary: var(--text-secondary-light);--text-dim: var(--text-dim-light);--border: var(--border-light);--accent: var(--accent-light);--accent-hover: var(--accent-hover-light);--hover: var(--hover-light);--shadow: var(--shadow-light);--text: var(--text-primary)}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: var(--bg-dark);--surface: var(--surface-dark);--text-primary: var(--text-primary-dark);--text-secondary: var(--text-secondary-dark);--text-dim: var(--text-dim-dark);--border: var(--border-dark);--accent: var(--accent-dark);--accent-hover: var(--accent-hover-dark);--hover: var(--hover-dark);--shadow: var(--shadow-dark);--text: var(--text-primary)}}[data-theme=light]{--bg: var(--bg-light);--surface: var(--surface-light);--text-primary: var(--text-primary-light);--text-secondary: var(--text-secondary-light);--text-dim: var(--text-dim-light);--border: var(--border-light);--accent: var(--accent-light);--accent-hover: var(--accent-hover-light);--hover: var(--hover-light);--shadow: var(--shadow-light);--text: var(--text-primary)}[data-theme=dark],.dark{--bg: var(--bg-dark);--surface: var(--surface-dark);--text-primary: var(--text-primary-dark);--text-secondary: var(--text-secondary-dark);--text-dim: var(--text-dim-dark);--border: var(--border-dark);--accent: var(--accent-dark);--accent-hover: var(--accent-hover-dark);--hover: var(--hover-dark);--shadow: var(--shadow-dark);--text: var(--text-primary)}.skip-link{position:absolute;top:-100px;left:50%;transform:translate(-50%);background:var(--accent);color:#fff;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--border-radius);font-weight:600;font-size:.875rem;text-decoration:none;z-index:9999;transition:top var(--transition)}.skip-link:focus{top:var(--spacing-sm);outline:2px solid var(--accent);outline-offset:2px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,SF Pro Text,Helvetica Neue,Arial,sans-serif;background-color:var(--bg);color:var(--text-primary);line-height:1.6;transition:background-color var(--transition),color var(--transition);min-height:100vh}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;margin-bottom:var(--spacing-md)}h1{font-size:3rem;font-weight:700}h2{font-size:2.5rem}h3{font-size:2rem}h4{font-size:1.5rem}p{margin-bottom:var(--spacing-md);font-size:1rem}a{color:var(--accent);text-decoration:none;transition:opacity var(--transition)}a:hover{opacity:.8}@media(max-width:768px){h1{font-size:2rem}h2{font-size:1.75rem}h3{font-size:1.5rem}}.card{background-color:var(--surface);border:1px solid var(--border);border-radius:var(--border-radius);padding:var(--spacing-lg);box-shadow:var(--shadow);transition:transform var(--transition),box-shadow var(--transition)}.card:hover{transform:scale(1.02)}.btn{display:inline-block;padding:var(--spacing-md) var(--spacing-lg);background-color:var(--accent);color:var(--bg);border:none;border-radius:calc(var(--border-radius) / 2);font-size:1rem;font-weight:600;cursor:pointer;transition:transform var(--transition),opacity var(--transition);text-align:center}.btn:hover{transform:scale(1.05);opacity:.9}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background-color:transparent;color:var(--text);border:2px solid var(--accent)}.btn-secondary:hover{background-color:var(--accent);color:var(--bg)}.btn-help{background:var(--surface);border:2px solid var(--border);border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition);color:var(--accent);padding:0}.btn-help:hover{background:var(--accent);color:#fff;border-color:var(--accent);transform:scale(1.1)}.btn-help svg{width:20px;height:20px}.modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background-color:#000000d9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1100;justify-content:center;align-items:center;opacity:0;transition:opacity var(--transition)}.modal.active{display:flex;opacity:1}.modal-content{background-color:var(--surface);border:1px solid var(--border);border-radius:var(--border-radius);padding:0;max-width:800px;width:90%;max-height:85vh;overflow:hidden;box-shadow:var(--shadow);animation:modalFadeIn var(--transition) ease-out;position:relative}@media(max-width:768px){.modal-content{width:100%;max-width:100%;max-height:90vh;border-radius:0;margin:0}}@keyframes modalFadeIn{0%{transform:scale(.95) translateY(-20px);opacity:0}to{transform:scale(1) translateY(0);opacity:1}}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-lg);border-bottom:1px solid var(--border);background-color:var(--surface)}.modal-header h3{margin:0;font-size:1.5rem;color:var(--text-primary)}@media(max-width:768px){.modal-header{padding:var(--spacing-md)}.modal-header h3{font-size:1.25rem;padding-right:var(--spacing-sm)}}.modal-body{padding:var(--spacing-lg);overflow-y:auto;max-height:calc(85vh - 80px);color:var(--text-primary);line-height:1.7;font-size:15px}@media(max-width:768px){.modal-body{padding:var(--spacing-md);font-size:14px;line-height:1.6;max-height:calc(90vh - 70px)}}.modal-body strong{color:var(--accent);font-weight:600}.modal-body h4{margin-top:var(--spacing-md);margin-bottom:var(--spacing-sm);color:var(--accent)}.modal-body p{margin-bottom:var(--spacing-md)}.modal-educativo .modal-body{padding:var(--spacing-lg)}.modal-intro{font-size:1.1rem;margin-bottom:var(--spacing-sm)}.modal-example{background:var(--surface);border-left:4px solid var(--accent);padding:var(--spacing-md);margin:var(--spacing-md) 0;border-radius:0 var(--border-radius-sm) var(--border-radius-sm) 0}[data-theme=dark] .modal-example{background:#ffffff0d}.modal-example code{display:block;background:var(--bg);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--border-radius-sm);font-family:SF Mono,Consolas,monospace;font-size:.95rem;color:var(--accent);margin-top:var(--spacing-sm)}.modal-example ul,.modal-example ol{margin:var(--spacing-sm) 0 0 var(--spacing-md);padding-left:var(--spacing-md)}.modal-example li{margin-bottom:var(--spacing-xs);color:var(--text-primary)}.modal-fact{background:linear-gradient(135deg,#0071e31a,#0071e30d);padding:var(--spacing-md);border-radius:var(--border-radius-sm);margin:var(--spacing-md) 0;border:1px solid rgba(0,113,227,.2)}[data-theme=dark] .modal-fact{background:linear-gradient(135deg,#0a84ff26,#0a84ff0d);border-color:#0a84ff4d}.modal-why{font-style:italic;color:var(--text-secondary);padding-top:var(--spacing-sm);border-top:1px solid var(--border);margin-top:var(--spacing-md)}.modal-body ul{margin:var(--spacing-sm) 0;padding-left:var(--spacing-lg);list-style:disc}.modal-body li{margin-bottom:var(--spacing-xs)}.modal-body p{line-height:1.6;color:var(--text-secondary)}.help-list{padding-left:var(--spacing-lg);margin:var(--spacing-sm) 0}.help-list li{margin-bottom:var(--spacing-sm);line-height:1.6;color:var(--text-secondary)}.help-list strong{color:var(--text-primary);font-weight:600}.modal-close{background:none;border:none;font-size:2rem;line-height:1;cursor:pointer;color:var(--text-secondary);transition:color var(--transition);padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center}.modal-close:hover{color:var(--accent)}.modal-myth-image{width:100%;max-width:400px;height:auto;margin:0 auto var(--spacing-lg);display:block;border-radius:var(--border-radius-md);box-shadow:var(--shadow);object-fit:cover}@media(max-width:768px){.modal-myth-image{max-width:100%;margin-bottom:var(--spacing-md);border-radius:var(--border-radius-sm)}}.slider{-webkit-appearance:none;appearance:none;width:100%;height:8px;border-radius:5px;background-color:var(--text);outline:none;transition:background var(--transition)}.slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:var(--accent);cursor:pointer;box-shadow:var(--shadow);transition:transform var(--transition)}.slider::-webkit-slider-thumb:hover{transform:scale(1.2)}.slider::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--accent);cursor:pointer;box-shadow:var(--shadow);border:none;transition:transform var(--transition)}.slider::-moz-range-thumb:hover{transform:scale(1.2)}@media(prefers-color-scheme:dark){.slider::-webkit-slider-thumb{box-shadow:0 0 10px var(--accent-dark)}.slider::-moz-range-thumb{box-shadow:0 0 10px var(--accent-dark)}}.progress-bar{width:100%;height:8px;background-color:var(--text);opacity:.2;border-radius:5px;overflow:hidden;margin:var(--spacing-md) 0}.progress-bar-fill{height:100%;background-color:var(--accent);border-radius:5px;transition:width var(--transition);width:var(--progress-width, 50%)}input[type=text],input[type=email],textarea,select{width:100%;padding:var(--spacing-md);border:2px solid var(--text);opacity:.3;border-radius:calc(var(--border-radius) / 2);font-size:1rem;font-family:inherit;background-color:var(--bg);color:var(--text);transition:border-color var(--transition),opacity var(--transition)}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent);opacity:1}input[type=radio]{margin-right:var(--spacing-sm);cursor:pointer}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-md);width:100%}.container-narrow{max-width:800px;margin:0 auto;padding:0 var(--spacing-md);width:100%}.grid{display:grid;gap:var(--spacing-lg)}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}@media(max-width:768px){.grid-2,.grid-3{grid-template-columns:1fr}}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.fade-in{animation:fadeIn var(--transition) ease-in}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.slide-in{animation:slideIn .5s ease-out}@keyframes slideIn{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.flip-card{perspective:1000px}.flip-card-inner{position:relative;width:100%;height:100%;transition:transform var(--transition);transform-style:preserve-3d}.flex{display:flex}.flex-between{display:flex;justify-content:space-between;align-items:center}.flex-center{display:flex;justify-content:center;align-items:center}.align-center{align-items:center}.text-small,.text-sm{font-size:.875rem}.text-muted{color:var(--text-secondary)}.hidden{display:none}.flip-card.flipped .flip-card-inner{transform:rotateY(180deg)}.flip-card-front,.flip-card-back{position:absolute;width:100%;height:100%;backface-visibility:hidden;border-radius:var(--border-radius)}.flip-card-back{transform:rotateY(180deg)}.text-center{text-align:center}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.mt-xl{margin-top:var(--spacing-xl)}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.mb-xl{margin-bottom:var(--spacing-xl)}.hidden{display:none!important}.visible{display:block!important}.announcement-banner{position:fixed;top:0;left:0;right:0;z-index:1001;background-color:var(--surface);color:var(--text-primary);border-bottom:1px solid var(--border);padding:10px 16px;display:flex;align-items:center;justify-content:center;gap:16px;font-size:14px;transform:translateY(0);transition:transform .3s ease,background-color .3s ease,color .3s ease}.announcement-banner.banner-hidden{transform:translateY(-100%)}.announcement-content{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;text-align:center}.announcement-emoji{font-size:16px}.announcement-message{font-weight:600}.announcement-message .inline-brand-logo{height:1.6em;width:auto;vertical-align:middle;margin:0 2px;display:inline-block}.announcement-link{color:var(--accent);font-weight:700;text-decoration:underline;text-underline-offset:2px;transition:opacity .2s ease}.announcement-link:hover{opacity:.8}.announcement-close{position:absolute;right:16px;background:none;border:none;color:inherit;cursor:pointer;padding:4px;display:flex;align-items:center;justify-content:center;opacity:.8;transition:opacity .2s ease}.announcement-close:hover{opacity:1}body.has-announcement{padding-top:44px}body.has-announcement .navbar{top:44px}body.has-announcement .navbar-mobile{top:124px}@media(max-width:768px){.announcement-banner{padding:8px 48px 8px 16px;font-size:13px}.announcement-content{gap:4px}.announcement-close{right:12px}body.has-announcement{padding-top:40px}body.has-announcement .navbar{top:40px}body.has-announcement .navbar-mobile{top:120px}}@media(max-width:480px){.announcement-banner{font-size:12px;padding:6px 40px 6px 12px}body.has-announcement{padding-top:36px}body.has-announcement .navbar{top:36px}body.has-announcement .navbar-mobile{top:116px}}.navbar{position:sticky;top:0;left:0;right:0;z-index:1000;background-color:#fffc;-webkit-backdrop-filter:blur(20px) saturate(180%);backdrop-filter:blur(20px) saturate(180%);border-bottom:1px solid var(--border);transition:var(--transition)}[data-theme=dark] .navbar{background-color:#000c}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .navbar{background-color:#000c}}.navbar-container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-md);height:80px;display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-md)}.navbar-logo{display:flex;align-items:center;gap:var(--spacing-sm);text-decoration:none;color:var(--text-primary);font-weight:600;font-size:18px;transition:var(--transition-fast);flex-shrink:0}.navbar-logo:hover{opacity:.7}.navbar-logo img{width:80px;height:80px;border-radius:8px}.navbar-brand{display:none}@media(min-width:480px){.navbar-brand{display:inline}}.navbar-menu{display:none;list-style:none;margin:0;padding:0;gap:var(--spacing-md);flex:1;justify-content:center}@media(min-width:768px){.navbar-menu{display:flex}}.navbar-link{display:block;padding:var(--spacing-xs) var(--spacing-sm);color:var(--text-primary);text-decoration:none;font-size:14px;font-weight:500;border-radius:6px;transition:var(--transition-fast)}.navbar-link:hover{background-color:var(--hover);color:var(--accent)}.navbar-actions{display:flex;align-items:center;gap:var(--spacing-sm);flex-shrink:0}.theme-toggle{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:none;border:none;cursor:pointer;border-radius:8px;transition:var(--transition-fast);color:var(--text-primary)}.theme-toggle:hover{background-color:var(--hover)}.theme-icon{width:20px;height:20px;transition:var(--transition-fast)}.moon-icon{display:none}.navbar-toggle{display:flex;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:var(--spacing-xs);transition:var(--transition-fast)}@media(min-width:768px){.navbar-toggle{display:none}}.navbar-toggle-icon{width:20px;height:2px;background-color:var(--text-primary);border-radius:2px;transition:var(--transition-fast)}.navbar-toggle.active .navbar-toggle-icon:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.navbar-toggle.active .navbar-toggle-icon:nth-child(2){opacity:0}.navbar-toggle.active .navbar-toggle-icon:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}.navbar-mobile{position:fixed;top:80px;right:0;width:200px;height:auto;background-color:var(--surface);border-left:1px solid var(--border);border-bottom:1px solid var(--border);border-radius:0 0 0 16px;visibility:hidden;opacity:0;transition:visibility 0s .3s,opacity .3s ease;z-index:999;box-shadow:-4px 4px 20px #00000026}@media(min-width:768px){.navbar-mobile{display:none}}.navbar-mobile.active{visibility:visible;opacity:1;transition:visibility 0s 0s,opacity .3s ease}.navbar-mobile-link{display:block;padding:var(--spacing-md);color:var(--text-primary);text-decoration:none;font-size:16px;font-weight:500;border-bottom:1px solid var(--border);transition:var(--transition-fast)}.navbar-mobile-link:hover{background-color:var(--hover);color:var(--accent)}.navbar-mobile-link:last-child{border-bottom:none}body.nav-open{overflow:hidden}.footer{margin-top:var(--spacing-xl);padding:var(--spacing-lg) 0;border-top:1px solid var(--border);background-color:#f5f5f7}[data-theme=dark] .footer{background-color:#1c1c1e}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .footer{background-color:#1c1c1e}}.footer-content{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-md);text-align:center}.footer-brand{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-sm)}.footer-logo{width:80px;height:80px;object-fit:contain;opacity:.9;transition:opacity var(--transition)}.footer-logo:hover{opacity:1}.footer-tagline{font-size:1.1rem;font-weight:600;color:var(--accent);margin:0;letter-spacing:.02em}.footer-copyright,.footer-privacy,.footer-credit{color:var(--text-secondary);margin:0}[data-theme=dark] .footer-copyright,[data-theme=dark] .footer-privacy,[data-theme=dark] .footer-credit{color:#d1d1d6}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .footer-copyright,:root:not([data-theme=light]) .footer-privacy,:root:not([data-theme=light]) .footer-credit{color:#d1d1d6}}.footer-nav{display:flex;flex-wrap:wrap;gap:var(--spacing-md) var(--spacing-lg);justify-content:center}.footer-link{color:var(--accent);font-weight:500;transition:color var(--transition);text-decoration:none}.footer-link:hover{color:var(--accent-hover);text-decoration:underline}[data-theme=dark] .footer-link{color:#0a84ff}[data-theme=dark] .footer-link:hover{color:#409cff}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .footer-link{color:#0a84ff}:root:not([data-theme=light]) .footer-link:hover{color:#409cff}}.apisdom-link{display:inline-flex;align-items:center;gap:4px}.apisdom-icon{width:14px;height:14px;display:inline-block;vertical-align:middle}.apisdom-text{color:#ff8c00;font-weight:500}.apisdom-link:hover .apisdom-text{color:#ff8c00}@media(max-width:768px){.footer{padding:var(--spacing-xl) 0}.footer-logo{width:60px;height:60px}.footer-tagline{font-size:1rem}.footer-nav{gap:var(--spacing-sm) var(--spacing-md)}}.flex-center{display:flex;gap:var(--spacing-md);justify-content:center;flex-wrap:wrap}.width-70{width:70%}.width-33{width:33%}.width-66{width:66%}.width-100{width:100%}.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-visible{outline:2px solid var(--accent);outline-offset:2px}.modal-large{max-width:700px;max-height:90vh;overflow-y:auto;padding:0}.help-content{padding:var(--spacing-lg)}.help-header{display:flex;align-items:center;gap:var(--spacing-md);margin-bottom:var(--spacing-lg);padding-bottom:var(--spacing-md);border-bottom:2px solid var(--border)}.help-icon{flex-shrink:0;width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:#0071e31a;border-radius:12px;color:var(--accent)}[data-theme=dark] .help-icon{background:#0a84ff26}.help-title{font-size:1.75rem;font-weight:700;color:var(--text);margin:0}.help-intro{font-size:1rem;line-height:1.6;color:var(--text-muted);margin-bottom:var(--spacing-lg)}.help-steps{display:flex;flex-direction:column;gap:var(--spacing-lg);margin-bottom:var(--spacing-lg)}.help-step{display:flex;gap:var(--spacing-md);align-items:flex-start}.step-number{flex-shrink:0;width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--accent);color:#fff;border-radius:50%;font-weight:700;font-size:1.125rem}.step-content{flex:1}.step-title{font-size:1.25rem;font-weight:600;color:var(--text);margin:0 0 var(--spacing-sm) 0}.step-text{font-size:.95rem;line-height:1.6;color:var(--text-muted);margin:0}.step-list{margin:var(--spacing-sm) 0 0 var(--spacing-md);padding:0;list-style:none}.step-list li{position:relative;padding-left:var(--spacing-md);margin-bottom:var(--spacing-xs);font-size:.95rem;line-height:1.6;color:var(--text-muted)}.step-list li:before{content:"•";position:absolute;left:0;color:var(--accent);font-weight:700}.step-list li strong{color:var(--text);font-weight:600}.help-tips{display:flex;flex-direction:column;gap:var(--spacing-md);margin-bottom:var(--spacing-lg)}.help-tip{display:flex;gap:var(--spacing-sm);align-items:flex-start;padding:var(--spacing-md);border-radius:12px;border-left:4px solid}.tip-emoji{flex-shrink:0;font-size:1.5rem;line-height:1}.tip-content{flex:1;font-size:.9rem;line-height:1.5}.tip-content strong{color:var(--text);font-weight:600}.tip-primary{background:#0071e30d;border-color:#0071e3;color:var(--text-muted)}[data-theme=dark] .tip-primary{background:#0a84ff1a;border-color:#0a84ff}.tip-info{background:#5856d60d;border-color:#5856d6;color:var(--text-muted)}[data-theme=dark] .tip-info{background:#5e5ce61a;border-color:#5e5ce6}.tip-success{background:#34c7590d;border-color:#34c759;color:var(--text-muted)}[data-theme=dark] .tip-success{background:#30d1581a;border-color:#30d158}@media(max-width:768px){.modal-large{max-width:95%;max-height:95vh}.help-content{padding:var(--spacing-md)}.help-header{flex-direction:column;align-items:flex-start;gap:var(--spacing-sm)}.help-icon{width:40px;height:40px}.help-title{font-size:1.5rem}.help-step{flex-direction:column;gap:var(--spacing-sm)}.step-number{width:32px;height:32px;font-size:1rem}.step-title{font-size:1.125rem}.step-text,.step-list li{font-size:.9rem}.tip-emoji{font-size:1.25rem}.tip-content{font-size:.85rem}.btn-share-discrete{font-size:.8rem;padding:var(--spacing-xs) var(--spacing-sm)}}.phrase-selector{text-align:center;margin-bottom:var(--spacing-lg)}.selector-container{display:flex;gap:var(--spacing-md);justify-content:center;align-items:center;flex-wrap:wrap}.selector-dropdown{padding:12px 20px;font-size:1rem;border:2px solid var(--accent);border-radius:8px;background:#fff;color:var(--text);cursor:pointer;transition:all .3s ease;min-width:200px}[data-theme=dark] .selector-dropdown{background:#1a1a1a;color:#fff;border-color:var(--accent-dark)}[data-theme=dark] .selector-dropdown option{background:#1a1a1a;color:#fff}.selector-dropdown:hover:not(:disabled){border-color:var(--accent);box-shadow:0 0 0 3px #0071e31a}.selector-dropdown:disabled{opacity:.5;cursor:not-allowed}@media(max-width:768px){.selector-container{flex-direction:column;align-items:stretch}.selector-dropdown{width:100%}}.educational-result{padding:var(--spacing-lg);background:var(--surface);border-radius:var(--border-radius);margin-top:var(--spacing-lg);color:var(--text-primary);width:100%}@media(max-width:768px){.educational-result{padding:var(--spacing-md);border-radius:var(--border-radius-sm)}.educational-result .step h4{font-size:1.1rem}}[data-theme=dark] .educational-result{background:var(--bg-dark);color:var(--text-primary-dark)}.educational-result .step{margin-bottom:var(--spacing-lg);padding-bottom:var(--spacing-lg);border-bottom:1px solid rgba(0,0,0,.1)}[data-theme=dark] .educational-result .step{border-bottom-color:#ffffff1a}.educational-result .step:last-child{border-bottom:none}.educational-result .step h4{color:var(--text-primary);font-size:1.25rem;margin-bottom:var(--spacing-sm)}.educational-result .step p{color:var(--text-primary);line-height:1.6}.educational-result .step .explanation{color:var(--text-secondary);font-size:.95rem;margin-top:var(--spacing-sm)}.tokens-visual{display:flex;gap:var(--spacing-sm);flex-wrap:wrap;margin:var(--spacing-md) 0}.tokens-visual .token{padding:var(--spacing-sm) var(--spacing-md);background:var(--accent);color:#fff;border-radius:8px;font-family:monospace;font-weight:600}.predictions-table{width:100%;margin:var(--spacing-md) 0;border-collapse:collapse;color:var(--text-primary)}.predictions-table thead th{text-align:left;padding:var(--spacing-sm);border-bottom:2px solid var(--border);font-weight:600;color:var(--text-primary)}.predictions-table tbody td{padding:var(--spacing-sm);border-bottom:1px solid var(--border);color:var(--text-primary)}.predictions-table tbody tr:last-child td{border-bottom:none}.prob-bar{position:relative;display:flex;align-items:center;gap:var(--spacing-sm)}.prob-fill{height:20px;background:var(--accent);border-radius:4px;transition:width .3s ease}.selected-token{font-size:1.5rem;font-weight:700;color:var(--accent);font-family:monospace;margin:var(--spacing-md) 0}.final-text{font-size:1.2rem;padding:var(--spacing-lg);background:var(--surface);border:2px solid var(--accent);border-radius:var(--border-radius);font-weight:600;margin:var(--spacing-md) 0;color:var(--text-primary)}[data-theme=dark] .final-text{background:var(--surface-dark);color:var(--text-primary-dark)}.share-section{margin-top:var(--spacing-xl);padding:var(--spacing-lg);background:var(--surface);border-radius:var(--border-radius);text-align:center;border:1px solid var(--border)}[data-theme=dark] .share-section{background:var(--surface-dark)}.share-message{color:var(--text-secondary);font-size:.95rem;margin-bottom:var(--spacing-md);line-height:1.6}.share-btn-discrete{display:inline-block;margin-top:var(--spacing-md);padding:var(--spacing-sm) var(--spacing-lg);background:var(--accent);border:2px solid var(--accent);border-radius:8px;color:#fff;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .3s ease}.share-btn-discrete:hover{background:var(--accent-hover);border-color:var(--accent-hover);transform:scale(1.03)}@media(max-width:768px){.predictions-table{font-size:.9rem}.predictions-table thead{display:none}.predictions-table tbody td{display:block;text-align:left}.predictions-table tbody td:before{content:attr(data-label);font-weight:600;margin-right:var(--spacing-sm)}.prob-bar{flex-direction:column;align-items:stretch}.prob-fill{width:100%!important;max-width:none}}.diagram-container{max-width:800px;margin:0 auto;box-shadow:0 8px 32px #00000014;border-radius:20px;overflow:hidden;background:linear-gradient(145deg,#fff,#f8f9fa);border:1px solid rgba(0,0,0,.06);transition:all .4s cubic-bezier(.4,0,.2,1)}.diagram-container:hover{box-shadow:0 12px 48px #0000001f;transform:translateY(-2px)}[data-theme=dark] .diagram-container{box-shadow:0 8px 32px #0006;background:linear-gradient(145deg,#1a1a1a,#0d0d0d);border:1px solid rgba(255,255,255,.08)}[data-theme=dark] .diagram-container:hover{box-shadow:0 12px 48px #0009}[data-theme=dark] #diagram-svg image{filter:invert(1) hue-rotate(180deg)}.diagram-area{transition:all .3s cubic-bezier(.4,0,.2,1);cursor:pointer;pointer-events:all;stroke-width:0}.diagram-area:hover{fill:#0071e31f;stroke:var(--accent-light);stroke-width:3px;filter:drop-shadow(0 4px 12px rgba(0,113,227,.2))}[data-theme=dark] .diagram-area:hover{fill:#0a84ff2e;stroke:var(--accent-dark);filter:drop-shadow(0 4px 12px rgba(10,132,255,.3))}@media(max-width:768px){.diagram-container{max-width:100%;box-shadow:0 2px 8px #0000001a}#diagram-svg{width:100%;height:auto}}.diagram-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-lg);max-width:900px;margin:0 auto;padding:var(--spacing-md)}.diagram-card{position:relative;border-radius:var(--border-radius);overflow:hidden;cursor:pointer;transition:all .3s ease;box-shadow:var(--shadow);background:var(--surface);border:2px solid transparent}.diagram-card img{width:100%;height:auto;display:block;transition:transform .3s ease}.diagram-card:hover{transform:scale(1.03);box-shadow:0 12px 40px #0071e333;border-color:var(--accent)}.diagram-card:hover img{transform:scale(1.02)}[data-theme=dark] .diagram-card{background:var(--surface-dark);box-shadow:0 4px 20px #0006}[data-theme=dark] .diagram-card:hover{box-shadow:0 12px 40px #0a84ff4d;border-color:var(--accent-dark)}.diagram-card-number{position:absolute;top:12px;left:12px;width:32px;height:32px;background:var(--accent);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1rem;box-shadow:0 2px 8px #0003}@media(max-width:768px){.diagram-grid{grid-template-columns:1fr;gap:var(--spacing-md);padding:var(--spacing-sm)}.diagram-card-number{width:28px;height:28px;font-size:.9rem}}.guia-metadata,.article-metadata{display:inline-flex;align-items:center;gap:var(--spacing-sm);margin-bottom:var(--spacing-md)}.meta-badge{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;background:var(--surface);border:2px solid var(--border);border-radius:var(--border-radius-sm);font-size:.875rem;color:var(--text-primary);font-weight:500;transition:all var(--transition);white-space:nowrap}.meta-badge svg{flex-shrink:0;opacity:.8;color:var(--text-secondary)}.meta-badge:hover{background:var(--bg);border-color:var(--accent);transform:translateY(-1px);box-shadow:0 2px 8px #0000001a}.meta-badge:hover svg{opacity:1;color:var(--accent)}.meta-author{border-color:#10b981;background:#10b9810d}.meta-date{border-color:#3b82f6;background:#3b82f60d}.meta-reading{border-color:#8b5cf6;background:#8b5cf60d}@media(prefers-color-scheme:dark){.meta-badge{background:#ffffff0d;border-width:2px;color:var(--text-primary)}.meta-author{border-color:#10b981;background:#10b9811a}.meta-date{border-color:#3b82f6;background:#3b82f61a}.meta-reading{border-color:#8b5cf6;background:#8b5cf61a}.meta-badge:hover{background:#ffffff1a;box-shadow:0 2px 12px #0000004d}}@media(max-width:768px){.guia-metadata,.article-metadata{flex-wrap:wrap}.meta-badge{font-size:.8rem;padding:6px 10px}.meta-badge svg{width:12px;height:12px}}.article-layout{display:grid;grid-template-columns:280px 1fr;gap:2rem;max-width:95%;width:100%;margin:0 auto;padding:var(--spacing-lg) var(--spacing-md)}@media(min-width:1400px){.article-layout{max-width:1600px;grid-template-columns:300px 1fr;gap:3rem}}@media(min-width:1025px)and (max-width:1399px){.article-layout{max-width:1200px;grid-template-columns:260px 1fr;gap:2rem}}@media(min-width:769px)and (max-width:1024px){.article-layout{grid-template-columns:220px 1fr;gap:1.5rem;padding:var(--spacing-md)}}@media(max-width:768px){.article-layout{grid-template-columns:1fr;gap:0;padding:var(--spacing-md) var(--spacing-sm)}.article-toc{display:none}}.article-toc{position:relative}.toc-sticky{position:sticky;top:100px;background:var(--surface);border:1px solid var(--border);border-radius:var(--border-radius);padding:var(--spacing-md);max-height:calc(100vh - 120px);overflow-y:auto}.toc-sticky h3{font-size:.95rem;font-weight:600;margin-bottom:var(--spacing-md);color:var(--text-primary);text-transform:uppercase;letter-spacing:.5px}.toc-nav{display:flex;flex-direction:column;gap:var(--spacing-xs)}.toc-link{display:block;padding:var(--spacing-sm) var(--spacing-md);color:var(--text-secondary);text-decoration:none;font-size:.875rem;border-left:3px solid transparent;transition:all var(--transition);border-radius:0 var(--border-radius-sm) var(--border-radius-sm) 0}.toc-link:hover{color:var(--text-primary);background:var(--hover);border-left-color:var(--accent)}.toc-link.active{color:var(--accent);font-weight:600;background:var(--hover);border-left-color:var(--accent)}.toc-level-3{padding-left:calc(var(--spacing-md) + var(--spacing-sm));font-size:.8rem}.article-main{min-width:0}.related-articles{margin-top:var(--spacing-xl);padding-top:var(--spacing-xl);border-top:2px solid var(--border)}.related-title{font-size:2rem;margin-bottom:var(--spacing-lg);text-align:center;color:var(--text-primary)}.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--spacing-lg)}.related-card{background:var(--surface);border:2px solid var(--border);border-radius:var(--border-radius);overflow:hidden;transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column}.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--accent)}.related-image{width:100%;height:200px;object-fit:cover}.related-content{padding:var(--spacing-md);flex:1;display:flex;flex-direction:column}.related-card-title{margin:0 0 var(--spacing-sm) 0}.related-card-title a{color:var(--text-primary);text-decoration:none;font-size:1.25rem;font-weight:600;transition:color .3s}.related-card-title a:hover{color:var(--accent)}.related-description{color:var(--text-secondary);margin:var(--spacing-sm) 0;font-size:.95rem;line-height:1.6;flex:1}.related-meta{display:flex;gap:var(--spacing-md);font-size:.85rem;color:var(--text-dim);margin-top:auto;padding-top:var(--spacing-sm)}.related-meta-item{display:flex;align-items:center;gap:4px}.related-button{display:inline-flex;align-items:center;gap:8px;margin-top:var(--spacing-md);padding:10px 20px;background:var(--accent);color:#fff;text-decoration:none;border-radius:8px;font-size:.9rem;font-weight:500;transition:all var(--transition);align-self:flex-start}.related-button:hover{transform:translate(4px);opacity:.9}.related-button svg{transition:transform var(--transition)}.related-button:hover svg{transform:translate(3px)}@media(max-width:768px){.related-grid{grid-template-columns:1fr}.related-title{font-size:1.5rem}.related-button{width:100%;justify-content:center}}.share-section{max-width:800px;margin:var(--spacing-lg) auto;padding:var(--spacing-md)}.share-container{background:var(--surface);border:1px solid var(--border);border-radius:var(--border-radius-sm);padding:var(--spacing-md);display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-md)}.share-content{flex:1}.share-text{font-size:.875rem;line-height:1.5;color:var(--text-secondary);margin:0}.share-text strong{color:var(--text-primary);font-weight:500}.share-button{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;background:transparent;color:var(--accent);border:1px solid var(--border);border-radius:8px;font-size:.875rem;font-weight:500;cursor:pointer;transition:all var(--transition);white-space:nowrap;flex-shrink:0}.share-button:hover{background:var(--hover);border-color:var(--accent)}.share-button svg{width:16px;height:16px}@media(max-width:768px){.share-container{flex-direction:column;text-align:center}.share-button{width:100%;justify-content:center}}.mensaje-amigable{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--accent);color:#fff;padding:16px 24px;border-radius:12px;font-size:16px;font-weight:500;box-shadow:0 4px 20px #0000004d;z-index:10000;animation:fadeInOut 2.5s ease-in-out}@keyframes fadeInOut{0%{opacity:0;transform:translate(-50%,-60%)}10%,90%{opacity:1;transform:translate(-50%,-50%)}to{opacity:0;transform:translate(-50%,-40%)}}.pdf-download-highlight{display:inline-block;padding:12px 16px;border-left:4px solid var(--accent);background:var(--accent-light);border-radius:4px;margin:16px 0}.pdf-download-highlight em{font-style:italic;color:var(--text)}.hero{text-align:center;padding:var(--spacing-xl) 0;min-height:70vh;display:flex;flex-direction:column;justify-content:center;align-items:center}.hero-title{font-size:4rem;margin-bottom:var(--spacing-md);background:linear-gradient(135deg,var(--accent) 0%,var(--text) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:1.5rem;color:var(--text);opacity:.8;margin-bottom:var(--spacing-lg)}.hero-image-container{max-width:900px;margin:0 auto;border-radius:var(--border-radius);overflow:hidden;box-shadow:var(--shadow)}.hero-image{width:100%;height:auto;display:block}@media(max-width:1024px){.hero{min-height:unset;padding:var(--spacing-lg) 0}.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.25rem;margin-bottom:var(--spacing-md)}.tools-grid{margin:var(--spacing-md) 0;gap:var(--spacing-md)}}@media(max-width:768px){.hero{padding:var(--spacing-md) 0}}.tool-header{text-align:center;max-width:1200px;margin:0 auto var(--spacing-lg)}.tool-image{width:100%;height:auto;border-radius:var(--border-radius);box-shadow:0 4px 12px #00000014;display:block;object-fit:contain;transition:box-shadow var(--transition)}.tool-image:hover{box-shadow:0 6px 16px #0000001f}.tools-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--spacing-lg);margin:var(--spacing-xl) 0}.tool-card{background-color:var(--bg);border-radius:var(--border-radius);padding:var(--spacing-lg);box-shadow:var(--shadow);cursor:pointer;transition:transform var(--transition),box-shadow var(--transition);border:2px solid transparent}.tool-card:hover{transform:translateY(-8px) scale(1.02);border-color:var(--accent)}.tool-icon{font-size:3rem;margin-bottom:var(--spacing-md);display:block;text-align:center}.tool-title{font-size:1.5rem;margin-bottom:var(--spacing-sm)}.tool-description{color:var(--text);opacity:.7;font-size:.95rem}.quiz-container{max-width:80%;margin:0 auto;width:100%}@media(max-width:768px){.quiz-container{max-width:100%}}.quiz-question-accordion{border:2px solid var(--border);border-radius:var(--border-radius-sm);background-color:var(--surface);transition:all var(--transition)}.quiz-question-accordion:hover{border-color:var(--accent)}.quiz-question-header{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-md) var(--spacing-lg);cursor:pointer;-webkit-user-select:none;user-select:none;transition:background-color var(--transition)}.quiz-question-header:hover{background-color:var(--hover)}.quiz-question-header.active{background-color:var(--hover);border-bottom:1px solid var(--border)}.quiz-question-title{display:flex;align-items:center;gap:var(--spacing-md);flex:1}.quiz-question-number{font-weight:600;color:var(--text-primary);font-size:1.1rem}.quiz-question-status{font-size:.9rem;color:var(--text-dim);min-width:20px}.quiz-question-status.answered{color:var(--accent);font-weight:600}.quiz-chevron{transition:transform var(--transition);color:var(--text-secondary)}.quiz-question-header.active .quiz-chevron{transform:rotate(180deg)}.quiz-question-body{max-height:0;overflow:hidden;opacity:0;transition:max-height .4s ease,opacity .3s ease,padding .3s ease}.quiz-question-body.active{max-height:1000px;opacity:1;padding:var(--spacing-lg);padding-top:var(--spacing-md)}.quiz-question-text{font-size:1.1rem;font-weight:500;color:var(--text-primary);line-height:1.6}.options-list{list-style:none;display:flex;flex-direction:column;gap:var(--spacing-md)}.option-item{background-color:transparent;border:2px solid var(--border);border-radius:calc(var(--border-radius) / 2);padding:var(--spacing-md);cursor:pointer;transition:all var(--transition);display:flex;align-items:center}.option-item:hover{border-color:var(--accent);opacity:1;transform:translate(8px)}.option-item.selected,.option-item.correct{background-color:var(--accent);color:var(--bg);border-color:var(--accent)}.option-item.incorrect{background-color:var(--text);color:var(--bg);border-color:var(--text);opacity:.7}.explanation-box{background-color:var(--surface);border:2px solid var(--accent);border-radius:var(--border-radius);padding:var(--spacing-md);margin-top:var(--spacing-md);animation:slideIn .5s ease-out}.quiz-score{text-align:center;font-size:3rem;font-weight:700;color:var(--accent);margin:var(--spacing-lg) 0}.quiz-question{background-color:var(--surface);border:2px solid var(--border);border-radius:var(--border-radius);padding:var(--spacing-lg);margin-bottom:var(--spacing-lg);transition:all var(--transition)}.quiz-question.quiz-correct{border-color:var(--accent);background-color:var(--accent);opacity:.1}.quiz-question.quiz-incorrect{border-color:var(--text);background-color:var(--text);opacity:.15}.quiz-options{display:flex;flex-direction:column;gap:var(--spacing-md)}.quiz-option{display:flex;align-items:center;padding:var(--spacing-md);border:2px solid var(--text);opacity:.3;border-radius:calc(var(--border-radius) / 2);cursor:pointer;transition:all var(--transition)}.quiz-option:hover{border-color:var(--accent);opacity:1;transform:translate(4px)}.quiz-option input[type=radio]{margin-right:var(--spacing-sm);cursor:pointer}.quiz-option-text{flex:1}.quiz-explanation{margin-top:var(--spacing-md)}.quiz-explanation-content{padding:var(--spacing-md);border-radius:calc(var(--border-radius) / 2);background-color:var(--surface);border:2px solid var(--border);color:var(--text-primary)}.quiz-explanation-content.correct{border-left:4px solid var(--accent)}.quiz-explanation-content.incorrect{border-left:4px solid var(--text)}.quiz-result{background-color:var(--bg);border-radius:var(--border-radius);padding:var(--spacing-xl);box-shadow:var(--shadow);text-align:center;width:100%}@media(max-width:768px){.quiz-result{padding:var(--spacing-md)}}.form-group{margin-bottom:var(--spacing-lg)}.form-label{display:block;font-weight:600;margin-bottom:var(--spacing-sm);color:var(--text)}.form-help{font-size:.875rem;color:var(--text);opacity:.7;margin-top:var(--spacing-sm)}.radio-group{display:flex;flex-direction:column;gap:var(--spacing-sm)}.radio-item{display:flex;align-items:center;padding:var(--spacing-sm);cursor:pointer;transition:background-color var(--transition);border-radius:calc(var(--border-radius) / 2)}.radio-item:hover{background-color:var(--accent);opacity:.1}.radio-item 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h3{font-size:24px;font-weight:700;text-align:center;line-height:1.4;color:var(--text-primary)}.myth-card-hint{display:block;font-size:.8rem;color:var(--text-secondary);text-align:center;margin-top:var(--spacing-sm);opacity:.7;transition:opacity .3s ease}.myth-card:hover .myth-card-hint{opacity:1}[data-theme=dark] .myth-card-hint{color:var(--text-dim)}.myth-card-back{transform:rotateY(180deg);justify-content:flex-start;align-items:stretch;text-align:left;overflow-y:auto}.myth-card-back h4{font-size:18px;font-weight:600;margin-bottom:var(--spacing-sm);color:var(--accent)}.myth-card-back p{font-size:14px;line-height:1.6;margin-bottom:var(--spacing-md);color:var(--text-primary)}.myth-slider-container{margin-bottom:var(--spacing-md)}.myth-slider-label{font-size:12px;font-weight:500;margin-bottom:var(--spacing-sm);color:var(--text);display:block}.myth-slider{width:100%;height:6px;border-radius:3px;background:var(--text);opacity:.2;outline:none;transition:opacity 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var(--accent)}.myth-slider-value{font-size:14px;font-weight:600;color:var(--accent);margin-bottom:var(--spacing-sm);display:block}.myth-buttons{display:flex;gap:var(--spacing-sm);margin-top:auto}.myth-btn{flex:1;padding:var(--spacing-sm) var(--spacing-md);background-color:var(--accent);color:var(--bg);border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:transform var(--transition),opacity var(--transition)}.myth-btn:hover{transform:scale(1.05);opacity:.9}.myth-btn-secondary{background-color:var(--text);opacity:.8}.myth-btn-secondary:hover{opacity:1}.library-controls{display:flex;flex-direction:column;gap:var(--spacing-md);background:var(--surface);padding:var(--spacing-lg);border-radius:var(--border-radius);border:1px solid var(--border);margin-bottom:var(--spacing-lg)}.search-container{width:100%}.search-input{width:100%;padding:var(--spacing-md);font-size:1rem;font-family:Inter,system-ui,sans-serif;background:var(--bg);border:2px solid 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var(--transition)}.category-select:focus{outline:none;border-color:var(--accent)}.counter{text-align:center;color:var(--text-secondary);font-size:.9rem}.counter strong{color:var(--accent)}.prompts-disclaimer{margin-top:var(--spacing-md);margin-bottom:var(--spacing-lg);padding:var(--spacing-sm) var(--spacing-md);background:var(--surface);border-left:3px solid var(--accent);border-radius:var(--border-radius-sm)}.prompts-disclaimer p{margin:0;font-size:.85rem;color:var(--text-secondary);line-height:1.5}.prompts-disclaimer a{color:var(--accent);text-decoration:none;font-weight:500;transition:opacity var(--transition)}.prompts-disclaimer 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