@import"https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap";:root{--color-primary: #171717;--color-primary-light: #404040;--color-primary-dark: #000000;--color-secondary: #00B894;--color-secondary-light: #55EFC4;--color-accent: #FDCB6E;--color-accent-dark: #E8B84B;--color-error: #E17055;--color-error-light: #FAB1A0;--bg-primary: #FAFAFA;--bg-gradient: #FAFAFA;--bg-secondary: #F0F0F5;--bg-surface: #FFFFFF;--bg-surface-hover: #F8F7FF;--text-primary: #2D3436;--text-secondary: #636E72;--text-muted: #B2BEC3;--border-color: #E8E8EE;--border-color-hover: #D1D1DB;--shadow-sm: none;--shadow-md: none;--shadow-lg: none;--shadow-xl: none;--shadow-glow: none;--glass-bg: var(--bg-surface);--glass-border: var(--border-color);--font-heading: "Outfit", -apple-system, BlinkMacSystemFont, sans-serif;--font-body: "Outfit", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--text-xs: clamp(.7rem, .65rem + .25vw, .75rem);--text-sm: clamp(.8rem, .75rem + .25vw, .875rem);--text-base: clamp(.9rem, .85rem + .25vw, 1rem);--text-lg: clamp(1rem, .95rem + .25vw, 1.125rem);--text-xl: clamp(1.15rem, 1rem + .5vw, 1.25rem);--text-2xl: clamp(1.3rem, 1.1rem + .8vw, 1.5rem);--text-3xl: clamp(1.6rem, 1.3rem + 1.2vw, 1.875rem);--text-4xl: clamp(1.8rem, 1.4rem + 1.8vw, 2.25rem);--text-5xl: clamp(2.2rem, 1.6rem + 2.5vw, 3rem);--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;--space-24: 6rem;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--radius-xl: 8px;--radius-2xl: 10px;--radius-full: 9999px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .35s cubic-bezier(.4, 0, .2, 1);--transition-bounce: .5s cubic-bezier(.68, -.55, .265, 1.55);--z-dropdown: 100;--z-sticky: 200;--z-header: 300;--z-overlay: 400;--z-modal: 500;--z-toast: 600;--max-width: 1200px;--header-height: 64px}[data-theme=dark]{--bg-primary: #202124;--bg-gradient: #202124;--bg-secondary: #171717;--bg-surface: #303134;--bg-surface-hover: #3C4043;--color-primary: #F8FAFC;--color-primary-light: #FFFFFF;--color-primary-dark: #E2E8F0;--text-primary: #E8EAED;--text-secondary: #9AA0A6;--text-muted: #5F6368;--border-color: #3C4043;--border-color-hover: #5F6368;--shadow-sm: none;--shadow-md: none;--shadow-lg: none;--shadow-xl: none;--shadow-glow: none;--glass-bg: var(--bg-surface);--glass-border: var(--border-color)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-body);font-size:var(--text-base);line-height:1.7;color:var(--text-primary);background:var(--bg-gradient);min-height:100vh;transition:background var(--transition-base),color var(--transition-base);overflow-x:hidden}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-dark)}.seo-intro-card{background:var(--bg-surface);padding:var(--space-6);border:1px solid var(--border-color);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);line-height:1.8;color:var(--text-secondary);text-align:justify}.seo-intro-card p{margin-bottom:var(--space-4)}.info-page-card{max-width:800px;margin:0 auto;background:var(--bg-surface);padding:var(--space-8);border:1px solid var(--border-color);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);line-height:1.8;text-align:justify}.info-page-card h3{color:var(--color-primary);margin-top:1.5rem;margin-bottom:.5rem}.text-justify{text-align:justify}.leading-relaxed{line-height:1.8}img{max-width:100%;height:auto;display:block}ul,ol{list-style:none}button{cursor:pointer;font-family:inherit;border:none;background:none}input,textarea,select{font-family:inherit;font-size:inherit}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.3;color:var(--text-primary)}h1{font-size:var(--text-5xl);font-weight:800;line-height:1.15}h2{font-size:var(--text-4xl)}h3{font-size:var(--text-3xl)}h4{font-size:var(--text-2xl)}h5{font-size:var(--text-xl)}h6{font-size:var(--text-lg)}p{margin-bottom:var(--space-4);color:var(--text-secondary)}.text-gradient{color:var(--text-primary);text-decoration:underline;text-decoration-color:var(--color-primary);text-decoration-thickness:4px;text-underline-offset:4px}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 var(--space-6)}.section{padding-top:var(--space-16);padding-bottom:var(--space-16)}.section-header{text-align:center;margin-top:var(--space-8);margin-bottom:var(--space-12)}.section-header h2{margin-bottom:var(--space-4)}.section-header p{max-width:600px;margin:0 auto;font-size:var(--text-lg)}.header{position:sticky;top:0;width:100%;z-index:var(--z-header);background:var(--glass-bg);border-bottom:1px solid var(--border-color);height:var(--header-height);transition:all var(--transition-base)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%;max-width:720px;margin:0 auto;padding:0}.logo{display:flex;align-items:center;gap:2px;font-family:var(--font-heading);font-weight:800;font-size:var(--text-xl);color:var(--text-primary);text-decoration:none}.logo-icon{font-size:2.2rem;display:flex;align-items:center}.logo span{color:var(--color-primary)}.nav{display:flex;align-items:center;gap:var(--space-1)}.nav-link{padding:var(--space-2) var(--space-4);border-radius:var(--radius-lg);font-weight:500;font-size:var(--text-sm);color:var(--text-secondary);transition:all var(--transition-fast);text-decoration:none}.nav-link:hover,.nav-link.active{color:var(--color-primary);background:var(--bg-surface-hover)}.nav-actions{display:flex;align-items:center;gap:var(--space-2)}.theme-toggle{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--radius-lg);background:var(--bg-surface);border:1px solid var(--border-color);color:var(--text-secondary);font-size:1.1rem;cursor:pointer;transition:all var(--transition-fast)}.theme-toggle:hover{border-color:var(--color-primary);color:var(--color-primary);background:var(--bg-surface-hover)}.mobile-menu-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;padding:8px;border-radius:var(--radius-lg);cursor:pointer}.mobile-menu-toggle span{display:block;width:100%;height:2px;background:var(--text-primary);border-radius:2px;transition:all var(--transition-fast)}.mobile-menu-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.mobile-menu-toggle.active span:nth-child(2){opacity:0}.mobile-menu-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}.hero{position:relative;padding:var(--space-20) 0 var(--space-16);text-align:center;overflow:hidden}.hero:before{display:none}.hero:after{content:"";position:absolute;bottom:-30%;right:-10%;width:50%;height:100%;display:none;pointer-events:none}.hero-content{position:relative;z-index:1}.hero-badge{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-1) var(--space-4);background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-full);font-size:var(--text-xs);font-weight:500;color:var(--color-primary);margin-bottom:var(--space-4);box-shadow:var(--shadow-sm);animation:fadeInUp .6s ease-out}.hero-badge .pulse-dot{width:6px;height:6px;background:var(--color-secondary);border-radius:50%;animation:pulse 2s infinite}.hero h1{font-size:clamp(2.4rem,6vw + 1rem,4rem);font-weight:800;line-height:1.2;margin-bottom:var(--space-3);animation:fadeInUp .6s ease-out .1s both}.hero-subtitle{font-size:var(--text-base);color:var(--text-secondary);max-width:520px;margin:0 auto var(--space-5);animation:fadeInUp .6s ease-out .2s both}.hero-cta{display:flex;justify-content:center;gap:var(--space-3);flex-wrap:wrap;animation:fadeInUp .6s ease-out .3s both;margin-bottom:var(--space-6)}.hero-stats{display:inline-flex;align-items:center;gap:0;background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-full);padding:var(--space-2) var(--space-2);box-shadow:var(--shadow-sm);animation:fadeInUp .6s ease-out .4s both}.hero-stat{display:flex;align-items:center;gap:var(--space-2);padding:0 var(--space-5);text-align:left}.hero-stat:not(:last-child){border-right:1px solid var(--border-color)}.hero-stat .number{font-family:var(--font-heading);font-size:var(--text-lg);font-weight:800;color:var(--color-primary);line-height:1}.hero-stat .label{font-size:var(--text-xs);color:var(--text-muted);white-space:nowrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);font-family:var(--font-heading);font-weight:600;font-size:var(--text-sm);border-radius:var(--radius-xl);transition:all var(--transition-base);text-decoration:none;border:2px solid transparent;white-space:nowrap}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark);color:#fff}[data-theme=dark] .btn-primary,[data-theme=dark] .filter-btn.active,[data-theme=dark] .footer-category-tags a:hover,[data-theme=dark] .btn-primary:hover{color:#000}.btn-secondary{background:var(--bg-surface);color:var(--text-primary);border-color:var(--border-color)}.btn-secondary:hover{border-color:var(--color-primary);color:var(--color-primary);background:var(--bg-surface-hover)}.btn-success{background:var(--color-secondary);color:#fff}.btn-success:hover{background:#00a388;color:#fff}.btn-lg{padding:var(--space-4) var(--space-8);font-size:var(--text-base);border-radius:var(--radius-xl)}.btn-sm{padding:var(--space-2) var(--space-4);font-size:var(--text-xs)}.btn-icon{width:40px;height:40px;padding:0;border-radius:var(--radius-lg)}.card{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-2xl);padding:var(--space-6);transition:all var(--transition-base);position:relative;overflow:hidden}.card:hover{border-color:var(--color-primary)}.category-card{text-align:center;cursor:pointer;text-decoration:none;display:block;color:inherit}.category-card .card-emoji{font-size:2.5rem;margin-bottom:var(--space-4);display:block;transition:transform var(--transition-bounce)}.category-card:hover .card-emoji{transform:scale(1.2) rotate(-5deg)}.category-card .card-title{font-family:var(--font-heading);font-weight:700;font-size:var(--text-lg);margin-bottom:var(--space-2);color:var(--text-primary)}.category-card .card-count{font-size:var(--text-sm);color:var(--text-muted);margin-bottom:var(--space-3)}.category-card .card-difficulty{display:flex;justify-content:center;gap:var(--space-1)}.difficulty-dot{width:8px;height:8px;border-radius:50%;background:var(--border-color)}.difficulty-dot.active{background:var(--color-accent)}.category-card:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--color-primary);transform:scaleX(0);transition:transform var(--transition-base)}.category-card:hover:after{transform:scaleX(1)}.category-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:var(--space-6)}.category-grid-compact{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:var(--space-4)}.category-card-compact{display:flex;align-items:center;gap:var(--space-4);padding:var(--space-3) var(--space-5);background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-xl);transition:all var(--transition-fast);text-decoration:none;color:var(--text-primary)}.category-card-compact:hover{border-color:var(--color-primary);background:var(--bg-surface-hover)}.category-card-compact .card-emoji{font-size:1.8rem}.category-card-compact .card-info{flex:1;text-align:left}.category-card-compact .card-title{font-family:var(--font-heading);font-weight:700;font-size:var(--text-sm);color:var(--text-primary);margin-bottom:2px}.category-card-compact .card-count{font-size:var(--text-xs);color:var(--text-muted)}.quiz-container{max-width:720px;margin:0 auto}.quiz-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-4)}.quiz-progress{display:flex;align-items:center;gap:var(--space-3);font-size:var(--text-sm);color:var(--text-secondary)}.quiz-progress-bar{width:200px;height:6px;background:var(--bg-secondary);border-radius:var(--radius-full);overflow:hidden}.quiz-progress-fill{height:100%;background:var(--color-primary);border-radius:var(--radius-full);transition:width var(--transition-slow)}.quiz-difficulty-badge{display:inline-flex;align-items:center;gap:var(--space-1);padding:var(--space-1) var(--space-3);border-radius:var(--radius-full);font-size:var(--text-xs);font-weight:600}.quiz-difficulty-badge.easy{background:#00b8941a;color:var(--color-secondary)}.quiz-difficulty-badge.medium{background:#fdcb6e26;color:var(--color-accent-dark)}.quiz-difficulty-badge.hard{background:#e170551a;color:var(--color-error)}.question-card{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-2xl);padding:var(--space-8);margin-bottom:var(--space-6);position:relative}.question-text{font-family:var(--font-heading);font-size:var(--text-2xl);font-weight:600;line-height:1.5;color:var(--text-primary);text-align:center;margin-bottom:var(--space-8);min-height:80px;display:flex;align-items:center;justify-content:center}.answer-form{display:flex;gap:var(--space-3);margin-bottom:var(--space-6)}.answer-input{flex:1;padding:var(--space-4) var(--space-5);border:2px solid var(--border-color);border-radius:var(--radius-xl);background:var(--bg-primary);color:var(--text-primary);font-size:16px;font-weight:500;transition:all var(--transition-fast);outline:none}.answer-input:focus{border-color:var(--color-primary)}.answer-input.correct{border-color:var(--color-secondary)}.answer-input.wrong{border-color:var(--color-error);animation:shake .5s ease-in-out}.hint-section{display:flex;justify-content:center;gap:var(--space-4);flex-wrap:wrap}.hint-btn{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);font-size:var(--text-sm);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast)}.hint-btn:hover{border-color:var(--color-accent);color:var(--color-accent-dark);background:#fdcb6e1a}.hint-btn.used{opacity:.5;cursor:not-allowed}.stat-badge{text-align:center;padding:var(--space-3);font-size:var(--text-sm);color:var(--text-muted)}.feedback-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:var(--z-modal);opacity:0;visibility:hidden;transition:all var(--transition-base)}.feedback-overlay.show{opacity:1;visibility:visible}.feedback-card{background:var(--bg-surface);border-radius:var(--radius-2xl);padding:var(--space-10);text-align:center;max-width:450px;width:90%;transform:scale(.9);transition:transform var(--transition-bounce)}.feedback-overlay.show .feedback-card{transform:scale(1)}.feedback-emoji{font-size:4rem;margin-bottom:var(--space-4);animation:bounceIn .5s ease-out}.feedback-title{font-family:var(--font-heading);font-size:var(--text-3xl);font-weight:800;margin-bottom:var(--space-2)}.feedback-title.correct{color:var(--color-secondary)}.feedback-title.wrong{color:var(--color-error)}.feedback-answer{font-size:var(--text-base);font-weight:700;color:var(--text-primary);background:var(--bg-secondary);border-radius:var(--radius-lg);padding:var(--space-2) var(--space-4);display:inline-block;margin-bottom:var(--space-3)}.feedback-explanation{text-align:left;font-size:var(--text-sm);color:var(--text-secondary);background:#6c5ce70f;border-left:3px solid var(--color-primary);border-radius:0 var(--radius-lg) var(--radius-lg) 0;padding:var(--space-2) var(--space-3);margin-bottom:var(--space-5);line-height:1.6}.feedback-explanation:before{content:"💡 ";font-style:normal}.feedback-actions{display:flex;justify-content:center;gap:var(--space-3);flex-wrap:wrap}.quiz-nav{display:flex;justify-content:space-between;align-items:center;gap:var(--space-4)}.filter-group{display:flex;justify-content:center;gap:var(--space-2);margin-bottom:var(--space-8);flex-wrap:wrap}.filter-btn{padding:var(--space-2) var(--space-5);border-radius:var(--radius-full);font-size:var(--text-sm);font-weight:500;color:var(--text-secondary);background:var(--bg-surface);border:1px solid var(--border-color);cursor:pointer;transition:all var(--transition-fast)}.filter-btn:hover{border-color:var(--color-primary);color:var(--color-primary)}.filter-btn.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.breadcrumb{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.breadcrumb a{color:var(--text-secondary);text-decoration:none;transition:color var(--transition-fast)}.breadcrumb a:hover{color:var(--color-primary)}.breadcrumb .separator{color:var(--text-muted);font-size:.7em}.breadcrumb .current{color:var(--text-primary);font-weight:500}.faq-section{max-width:720px;margin-left:auto;margin-right:auto;margin-top:4rem;margin-bottom:4rem}.faq-item{border:1px solid var(--border-color);border-radius:var(--radius-xl);margin-bottom:var(--space-3);overflow:hidden;transition:all var(--transition-fast)}.faq-item:hover{border-color:var(--border-color-hover)}.faq-question{display:flex;justify-content:space-between;align-items:center;padding:var(--space-5) var(--space-6);cursor:pointer;background:var(--bg-surface);font-weight:600;font-size:var(--text-base);color:var(--text-primary);transition:all var(--transition-fast);width:100%;text-align:left}.faq-question:hover{background:var(--bg-surface-hover)}.faq-icon{font-size:1.2rem;transition:transform var(--transition-base);flex-shrink:0;color:var(--text-muted)}.faq-item.open .faq-icon{transform:rotate(180deg)}.faq-answer{padding:0 var(--space-6);max-height:0;overflow:hidden;transition:all var(--transition-slow);color:var(--text-secondary);line-height:1.8}.faq-item.open .faq-answer{padding:var(--space-2) var(--space-6) var(--space-5);max-height:500px}.footer{background:#fff;border-top:1px solid var(--border-color);padding:var(--space-12) 0 var(--space-6);margin-top:0}[data-theme=dark] .footer{background:var(--bg-primary)}.footer-grid{display:grid;grid-template-columns:300px 1fr;gap:var(--space-8);margin-bottom:var(--space-8)}.footer-brand{max-width:100%}.footer-brand .logo{margin-bottom:var(--space-4)}.footer-brand p{font-size:var(--text-sm);color:var(--text-secondary);line-height:1.6}.footer-column h4{font-family:var(--font-heading);font-size:var(--text-sm);font-weight:700;color:var(--text-primary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--space-4)}.footer-links li{margin-bottom:var(--space-2)}.footer-links a{font-size:var(--text-sm);color:var(--text-secondary);transition:color var(--transition-fast);text-decoration:none}.footer-links a:hover{color:var(--color-primary)}.footer-social{display:flex;gap:var(--space-3)}.footer-social a{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-lg);background:var(--bg-secondary);color:var(--text-muted);font-size:1rem;transition:all var(--transition-fast);text-decoration:none}.footer-social a:hover{background:var(--color-primary);color:#fff}.share-section{display:flex;justify-content:center;gap:var(--space-3);margin-top:var(--space-4)}.share-btn{display:flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);border-radius:var(--radius-lg);font-size:var(--text-sm);font-weight:500;transition:all var(--transition-fast);cursor:pointer;text-decoration:none;border:1px solid var(--border-color);color:var(--text-secondary);background:var(--bg-surface)}.share-btn:hover{opacity:.85}.share-btn.whatsapp:hover{background:#25d366;color:#fff;border-color:#25d366}.share-btn.facebook:hover{background:#1877f2;color:#fff;border-color:#1877f2}.share-btn.twitter:hover{background:#1da1f2;color:#fff;border-color:#1da1f2}.share-btn.copy:hover{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.form-group{margin-bottom:var(--space-5)}.form-label{display:block;font-weight:600;font-size:var(--text-sm);color:var(--text-primary);margin-bottom:var(--space-2)}.form-input,.form-textarea{width:100%;padding:var(--space-2) var(--space-3);border:2px solid var(--border-color);border-radius:var(--radius-lg);background:var(--bg-primary);color:var(--text-primary);font-size:16px;transition:all var(--transition-fast);outline:none}.form-input:focus,.form-textarea:focus{border-color:var(--color-primary)}.form-textarea{resize:vertical;min-height:120px}.page-404{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;text-align:center;padding:var(--space-8)}.page-404 .error-code{font-family:var(--font-heading);font-size:clamp(6rem,15vw,10rem);font-weight:800;color:var(--color-primary);line-height:1;margin-bottom:var(--space-4)}.toast{position:fixed;bottom:var(--space-6);right:var(--space-6);z-index:var(--z-toast);background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:var(--space-4) var(--space-6);display:flex;align-items:center;gap:var(--space-3);font-size:var(--text-sm);font-weight:500;transform:translateY(120%);opacity:0;transition:all var(--transition-base)}.toast.show{transform:translateY(0);opacity:1}.toast.success{border-left:4px solid var(--color-secondary)}.toast.error{border-left:4px 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