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var(--tw-drop-shadow,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.ease-in-out{--tw-ease:var(--ease-in-out);transition-timing-function:var(--ease-in-out)}}:root{--color-fondo:#f3f4f6;--color-fondo-secundario:#fff;--color-borde:#e5e7eb;--color-texto-principal:#1f2937;--color-texto-secundario:#6b7280;--acento-primario:#4f46e5;--acento-secundario:#10b981;--feedback-correcto:#059669;--feedback-incorrecto:#dc2626;--feedback-pista:#f59e0b;--sombra-card:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--sombra-hover:0 10px 15px -3px #0000001a, 0 4px 6px -2px 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*{transition:none!important}.navbar{background-color:var(--color-fondo-secundario);border-bottom:1px solid var(--color-borde);transition:background-color .3s,border-color .3s}.navbar-brand,.nav-link{color:var(--color-texto-principal)!important}.nav-link:hover{color:var(--acento-primario)!important}.nav-link.active{font-weight:700;color:var(--acento-secundario)!important}.brand-logo-box{background-color:var(--color-fondo-secundario);border:1px solid var(--color-borde);border-radius:8px;justify-content:center;align-items:center;padding:5px;transition:transform .3s,background-color .3s;display:flex}body:not([data-bs-theme=dark]) .brand-logo-box{background-color:var(--color-texto-principal);border-color:#0000}[data-bs-theme=dark] .brand-logo-box{border-color:var(--color-borde);background-color:#ffffff1a}.navbar-brand:hover .brand-logo-box{border-color:var(--acento-primario);transform:scale(1.1)rotate(-5deg)}body:not([data-bs-theme=dark]) .navbar-brand:hover .brand-logo-box{background-color:var(--acento-primario)}.card.shadow-lg{background-color:var(--color-fondo-secundario);border:1px solid var(--color-borde)!important;box-shadow:var(--sombra-card)!important}.form-control{background-color:var(--color-fondo);border:1px solid var(--color-borde);color:var(--color-texto-principal);border-radius:.5rem;padding:.75rem 1rem}.form-control:focus{background-color:var(--color-fondo-secundario);border-color:var(--acento-primario);box-shadow:0 0 0 4px #4f46e51a}.main-title{color:var(--color-texto-principal);font-size:2.8rem;font-weight:700}.text-muted{color:var(--color-texto-secundario)!important}.word-of-the-day-card{color:#fff;border:1px solid var(--color-borde);background-position:50%;background-size:cover;border-radius:1rem;flex-direction:column;justify-content:flex-end;min-height:300px;padding:2rem;display:flex;position:relative;overflow:hidden;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a}.word-of-the-day-card:before{content:"";z-index:1;background:linear-gradient(#11182733 0%,#111827e6 80%);position:absolute;inset:0}.word-of-the-day-card .content{z-index:2;position:relative}.word-of-the-day-card .tag{background-color:var(--acento-primario);color:var(--color-fondo);border-radius:20px;margin-bottom:.5rem;padding:.25rem .75rem;font-size:.8rem;font-weight:700;display:inline-block}.word-of-the-day-card h3{text-shadow:2px 2px 5px #00000080;margin:0;font-size:2.5rem}.word-of-the-day-card p{color:#cbd5e1;margin:0;font-size:1.2rem}.level-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;padding-top:2rem;display:grid}.level-card-link{text-decoration:none}.level-card{background:var(--color-fondo-secundario);border:1px solid var(--color-borde);text-align:center;z-index:1;border-radius:1rem;flex-direction:column;height:100%;padding:2.5rem 2rem;transition:transform .4s cubic-bezier(.175,.885,.32,1.275),box-shadow .4s,background-color .3s,border-color 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var(--glow-color);transform:scale(1.2)rotate(10deg)}.card-title{color:var(--color-texto-principal);margin-bottom:.5rem;font-size:1.8rem;font-weight:600}.card-description{color:var(--color-texto-secundario);flex-grow:1;font-size:1rem;line-height:1.5}.card-a1{--glow-color:#f59e0b}.card-a2{--glow-color:var(--acento-primario)}.card-b1{--glow-color:#6366f1}.card-b2{--glow-color:#3b82f6}.card-c1{--glow-color:var(--acento-secundario)}.level-header{text-align:center;margin-bottom:4rem;padding:2rem 0;position:relative}.level-header .level-badge{background:var(--glow-color,var(--acento-primario));background:linear-gradient(135deg, var(--glow-color,var(--acento-primario)), #111827);color:#fff;text-transform:uppercase;letter-spacing:3px;border:1px solid #ffffff1a;border-radius:12px;justify-content:center;align-items:center;margin-bottom:1.5rem;padding:.6rem 2rem;font-size:1.1rem;font-weight:700;transition:transform .3s,box-shadow .3s;display:inline-flex;box-shadow:0 4px 15px #0000004d}.level-header .level-badge:hover{transform:translateY(-2px);box-shadow:0 8px 20px #0006}.level-header h1{-webkit-text-fill-color:transparent;text-transform:uppercase;letter-spacing:-2px;filter:drop-shadow(0 4px 6px #00000080);background:linear-gradient(#fff 0%,#a1a1aa 100%);-webkit-background-clip:text;background-clip:text;margin:0;font-size:4.5rem;font-weight:800}body.light-mode .level-header h1{-webkit-text-fill-color:transparent;filter:drop-shadow(0 2px 4px #0000001a);background:linear-gradient(#1f2937 0%,#4b5563 100%);-webkit-background-clip:text;background-clip:text}.accordion-item{background-color:var(--color-fondo-secundario);border:1px solid var(--color-borde);margin-bottom:1rem;border-radius:.75rem!important}.accordion-header .accordion-button{background-color:var(--color-fondo-secundario);color:var(--color-texto-principal);border-radius:.75rem;font-size:1.2rem;font-weight:600}.accordion-button:not(.collapsed){color:var(--acento-primario);box-shadow:none;background-color:var(--color-fondo-secundario)}.accordion-button:focus{box-shadow:none}.accordion-body{color:var(--color-texto-principal);font-size:1.1rem;line-height:1.7}.accordion-body h3,.accordion-body h5{color:var(--color-texto-principal);border-left:4px solid var(--glow-color,var(--acento-primario));margin-top:1.8rem;margin-bottom:1.2rem;padding-left:12px}.practice-game{background-color:var(--color-fondo);border:1px solid var(--color-borde);border-radius:.5rem;padding:1.5rem}.practice-game p,.practice-game h4,.practice-game h5{color:var(--color-texto-principal)}.practice-game .form-control{background-color:var(--color-borde);color:var(--color-texto-principal);border:1px solid var(--color-borde);font-size:1.1rem}.practice-game .btn{background-color:var(--glow-color,var(--acento-primario));color:var(--color-fondo);border:none;font-size:1.1rem;font-weight:700}body.light-mode .practice-game .btn{color:#fff}.feedback{text-align:center;margin-top:1rem;font-size:1.2rem;font-weight:700}.feedback-correct,.practice-game .feedback-correct{color:var(--feedback-correcto)!important}.feedback-incorrect,.practice-game .feedback-incorrect{color:var(--feedback-incorrecto)!important}.feedback-hint{color:var(--feedback-pista);font-size:1rem;font-style:italic}.demonstrative-lab,.animation-container{background-color:var(--color-fondo)}.animation-zone{border:2px dashed var(--color-borde)}.animation-zone:before{color:var(--color-texto-secundario)}.animated-object{background-color:var(--glow-color,var(--acento-secundario))}footer{background-color:var(--color-fondo-secundario);color:var(--color-texto-secundario);border-top:1px solid var(--color-borde)}@media (width<=991px){.main-title{font-size:2.2rem}.level-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem}.word-of-the-day-card{min-height:250px}.navbar-collapse{background-color:var(--color-fondo-secundario);z-index:1050;width:280px;padding:1.5rem;transition:left .3s ease-in-out,visibility .3s ease-in-out;position:fixed;top:0;left:-100%;overflow-y:auto;box-shadow:2px 0 15px #0000004d;height:100vh!important}.navbar-collapse.show{left:0}.navbar-collapse:before{content:"";z-index:-1;opacity:0;visibility:hidden;background-color:#00000080;width:calc(100vw - 280px);height:100vh;transition:opacity .3s ease-in-out;position:fixed;top:0;left:280px}.navbar-collapse.show:before{opacity:1;visibility:visible}.navbar-nav{flex-direction:column;width:100%;align-items:flex-start!important;margin:0!important}.nav-item{width:100%;margin-bottom:.5rem}.nav-link{border-radius:8px;width:100%;transition:background-color .2s,transform .2s;display:block;padding:.8rem 1rem!important}.nav-link:hover{background-color:#2dd4bf1a;transform:translate(5px)}.nav-item:nth-child(7){border-bottom:1px solid var(--color-borde);margin-bottom:1.5rem;padding-bottom:1rem}.nav-item .btn{border-radius:8px;width:100%;margin-bottom:.8rem;padding:.8rem;font-size:1rem;font-weight:600}.nav-item .btn-outline-primary{margin-right:0!important}.nav-item.dropdown .dropdown-menu{width:100%;box-shadow:none;background-color:#0000;border:none;margin-top:.5rem;padding-left:1rem;position:static!important;transform:none!important}.dropdown-item{border-radius:6px;margin-bottom:.3rem;padding:.7rem 1rem}.dropdown-item:hover{background-color:#2dd4bf1a}.nav-item:last-child{border-top:1px solid var(--color-borde);margin-top:auto;padding-top:1rem}#theme-toggle{border-radius:8px;width:100%;padding:.8rem}}@media (width<=768px){.level-header h1{font-size:2rem}.level-header{margin-bottom:2rem}.word-of-the-day-card h3{font-size:1.8rem}.word-of-the-day-card p{font-size:1rem}.level-card{padding:2rem 1.5rem}.card-icon{margin-bottom:1rem;font-size:3rem}.card-title{font-size:1.5rem}.navbar-brand{font-size:1.2rem}}@media (width<=576px){main.container{padding-left:1rem;padding-right:1rem;margin-top:2rem!important}.main-title,.level-header h1{font-size:1.8rem}.accordion-button{padding:.75rem 1rem;font-size:1rem}.accordion-body{padding:1rem;font-size:1rem}.practice-game{padding:1rem}.practice-game .btn{width:100%;margin-top:.5rem}.word-of-the-day-card{min-height:220px;padding:1.5rem}.word-of-the-day-card h3{font-size:1.5rem}.table thead{font-size:.9rem}.table td{padding:.5rem}}body:not([data-bs-theme=dark]) .btn-outline-light{background-color:#0000;color:#495057!important;border-color:#ced4da!important}body:not([data-bs-theme=dark]) .btn-outline-light:hover{color:#fff!important;background-color:#6c757d!important;border-color:#6c757d!important}body:not([data-bs-theme=dark]) .btn-outline-light.active,body:not([data-bs-theme=dark]) .btn-outline-light:active,body:not([data-bs-theme=dark]) .btn-outline-light.btn-success{color:#fff!important;background-color:#28a745!important;border-color:#28a745!important}body:not([data-bs-theme=dark]) .btn-outline-light.btn-danger{color:#fff!important;background-color:#dc3545!important;border-color:#dc3545!important}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}.modern-navbar{z-index:1000;background:0 0;width:100%;padding:1rem 0;transition:all .4s cubic-bezier(.165,.84,.44,1);position:sticky;top:0}.modern-navbar.scrolled{background:rgba(var(--color-fondo-rgb,15, 23, 42), .85);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid #ffffff0d;padding:.5rem 0;box-shadow:0 4px 30px #0000001a}body.light-mode .modern-navbar.scrolled{background:#ffffffd9;border-bottom:1px solid #0000000d}.navbar-container{justify-content:space-between;align-items:center;max-width:1400px;margin:0 auto;padding:0 1.5rem;display:flex}.brand-logo{color:var(--color-texto-principal);align-items:center;gap:.75rem;font-size:1.5rem;font-weight:800;text-decoration:none;transition:transform .3s;display:flex}.brand-logo:hover{transform:translateY(-2px)}.logo-icon-wrapper{background:linear-gradient(135deg, var(--acento-primario), var(--acento-secundario));color:#fff;border-radius:12px;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.2rem;display:flex;box-shadow:0 4px 15px #4f46e54d}.brand-text{letter-spacing:-.5px}.brand-highlight{color:var(--acento-secundario)}.nav-menu{flex-grow:1;justify-content:space-between;align-items:center;margin-left:2rem;display:flex}.nav-links{align-items:center;gap:.5rem;margin:0;padding:0;list-style:none;display:flex}.nav-link{color:var(--color-texto-secundario);border-radius:8px;align-items:center;gap:.5rem;padding:.5rem 1rem;font-size:.95rem;font-weight:600;text-decoration:none;transition:all .3s;display:flex;position:relative}.nav-icon{font-size:1.1rem}.level-dot{border-radius:50%;width:8px;height:8px;display:inline-block}.level-dot.a1{background-color:#f59e0b;box-shadow:0 0 8px #f59e0b}.level-dot.a2{background-color:var(--acento-primario);box-shadow:0 0 8px var(--acento-primario)}.level-dot.b1{background-color:#6366f1;box-shadow:0 0 8px #6366f1}.level-dot.b2{background-color:#3b82f6;box-shadow:0 0 8px #3b82f6}.level-dot.c1{background-color:var(--acento-secundario);box-shadow:0 0 8px var(--acento-secundario)}.nav-link:hover{color:var(--color-texto-principal);background:#818cf81a}.nav-link.active{color:var(--color-texto-principal);background:#818cf826}.nav-link.active:after{content:"";background:var(--acento-primario);border-radius:3px;width:80%;height:3px;position:absolute;bottom:-2px;left:10%}.nav-actions{align-items:center;gap:1.25rem;display:flex}.theme-toggle-btn{cursor:pointer;background:#818cf81a;border:1px solid #818cf833;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.2rem;transition:all .3s;display:flex}.theme-toggle-btn:hover{background:#818cf833;transform:rotate(15deg)scale(1.1)}.auth-buttons{align-items:center;gap:1rem;display:flex}.btn-login{color:var(--color-texto-principal);border-radius:8px;padding:.5rem 1rem;font-size:.95rem;font-weight:600;text-decoration:none;transition:all .2s}.btn-login:hover{background:#818cf81a}.btn-register{background:linear-gradient(135deg, var(--acento-primario), var(--acento-secundario));border-radius:50px;padding:.6rem 1.5rem;font-size:.95rem;font-weight:600;text-decoration:none;transition:all .3s;box-shadow:0 4px 15px #4f46e54d;color:#fff!important}.btn-register:hover{transform:translateY(-2px);box-shadow:0 8px 25px #4f46e566}.user-dropdown-container{position:relative}.user-profile-btn{border:1px solid var(--color-borde);cursor:pointer;color:var(--color-texto-principal);background:0 0;border-radius:50px;align-items:center;gap:.75rem;padding:.3rem 1rem .3rem .3rem;transition:all .3s;display:flex}.user-profile-btn:hover{border-color:var(--acento-primario);background:#818cf80d}.avatar{background:linear-gradient(135deg, var(--acento-primario), var(--acento-secundario));color:#fff;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:1rem;font-weight:800;display:flex}.username{font-size:.95rem;font-weight:600}.user-dropdown-menu{background:var(--color-fondo-secundario);border:1px solid var(--color-borde);opacity:0;visibility:hidden;z-index:1000;border-radius:16px;width:240px;padding:.5rem;transition:all .3s cubic-bezier(.165,.84,.44,1);position:absolute;top:calc(100% + 10px);right:0;transform:translateY(10px);box-shadow:0 10px 40px #0003}.user-dropdown-menu:before{content:"";width:100%;height:15px;position:absolute;top:-15px;left:0}.user-dropdown-container:hover .user-dropdown-menu,.user-profile-btn:focus+.user-dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}.dropdown-header{border-bottom:1px solid var(--color-borde);margin-bottom:.5rem;padding:1rem}.user-email{color:var(--color-texto-secundario);word-break:break-all;margin:0;font-size:.85rem}.dropdown-item{color:var(--color-texto-principal);text-align:left;background:0 0;border:none;border-radius:8px;align-items:center;gap:.75rem;width:100%;padding:.75rem 1rem;font-size:.95rem;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.dropdown-item:hover{color:var(--acento-primario);background:#818cf81a}.dropdown-item.text-danger:hover{background:#dc26261a;color:#dc2626!important}.dropdown-divider{background:var(--color-borde);height:1px;margin:.5rem 0}.mobile-controls{align-items:center;gap:1rem;display:none}.mobile-controls.left{order:-1}.hamburger-btn{cursor:pointer;z-index:1001;background:0 0;border:none;width:30px;height:24px;position:relative}.hamburger-btn span{background:var(--color-texto-principal);opacity:1;border-radius:3px;width:100%;height:3px;transition:all .25s ease-in-out;display:block;position:absolute;left:0}.hamburger-btn span:first-child{top:0}.hamburger-btn span:nth-child(2){top:10px}.hamburger-btn span:nth-child(3){top:20px}.hamburger-btn.active span:first-child{top:10px;transform:rotate(135deg)}.hamburger-btn.active span:nth-child(2){opacity:0;left:-60px}.hamburger-btn.active span:nth-child(3){top:10px;transform:rotate(-135deg)}.mobile-theme{display:none}@media (width<=1100px){.nav-link{padding:.5rem}}@media (width<=991px){.mobile-controls{flex:1;justify-content:flex-start;display:flex}.brand-logo{flex:2;justify-content:center;padding:0}.nav-placeholder{flex:1}.desktop-theme{display:none}.mobile-theme{display:flex}.nav-menu{background:var(--color-fondo-secundario);border-right:1px solid var(--color-borde);z-index:1000;flex-direction:column;justify-content:flex-start;width:300px;height:100vh;margin:0;padding:5rem 2rem 2rem;transition:left .4s cubic-bezier(.165,.84,.44,1);position:fixed;top:0;left:-100%;overflow-y:auto;box-shadow:10px 0 30px #0003}.nav-menu.open{left:0}.nav-links{flex-direction:column;align-items:flex-start;gap:1rem;width:100%;margin-bottom:2rem}.nav-link{width:100%;padding:.75rem 1rem;font-size:1.1rem}.nav-actions{flex-direction:column;align-items:flex-start;width:100%}.auth-buttons{flex-direction:column;width:100%}.btn-login,.btn-register{text-align:center;width:100%;padding:.8rem}.user-dropdown-container{width:100%}.user-profile-btn{justify-content:space-between;width:100%}.user-dropdown-menu{opacity:1;visibility:visible;width:100%;box-shadow:none;background:0 0;border:none;padding:1rem 0 0;display:none;position:static;transform:none}.user-profile-btn:focus+.user-dropdown-menu,.user-dropdown-container:hover .user-dropdown-menu{display:block}body:after{content:"";opacity:0;visibility:hidden;z-index:999;background:#00000080;width:100vw;height:100vh;transition:all .3s;position:fixed;top:0;left:0}body:has(.nav-menu.open):after{opacity:1;visibility:visible}}.hero-section{background:var(--color-fondo);justify-content:center;align-items:center;min-height:75vh;padding:4rem 0;display:flex;position:relative;overflow:hidden}.hero-section:before{content:"";background:radial-gradient(circle,#2dd4bf14 0%,#0000 70%);border-radius:50%;width:600px;height:600px;animation:6s ease-in-out infinite pulse;position:absolute;top:-200px;right:-200px}.hero-section:after{content:"";background:radial-gradient(circle,#fbbf240d 0%,#0000 70%);border-radius:50%;width:400px;height:400px;animation:8s ease-in-out infinite pulse;position:absolute;bottom:-100px;left:-100px}@keyframes pulse{0%,to{opacity:.3;transform:scale(1)}50%{opacity:.6;transform:scale(1.15)}}.hero-content{z-index:2;text-align:center;max-width:900px;margin:0 auto;position:relative}.hero-badge{border:1px solid var(--acento-primario);color:var(--acento-primario);text-transform:uppercase;letter-spacing:1px;background:linear-gradient(135deg,#2dd4bf1a,#fbbf241a);border-radius:50px;margin-bottom:2rem;padding:.5rem 1.5rem;font-size:.9rem;font-weight:600;display:inline-block}.hero-title{background:linear-gradient(135deg, var(--acento-primario) 0%, var(--acento-secundario) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:1.5rem;font-size:4rem;font-weight:800;line-height:1.2}.hero-subtitle{color:var(--color-texto-secundario);margin-bottom:3rem;font-size:1.4rem;font-weight:400;line-height:1.6}.cta-buttons{flex-wrap:wrap;justify-content:center;gap:1rem;display:flex}.cta-button-primary{background:linear-gradient(135deg, var(--acento-primario) 0%, var(--acento-secundario) 100%);color:var(--color-fondo);border:none;border-radius:50px;align-items:center;gap:.5rem;padding:1.2rem 2.5rem;font-size:1.2rem;font-weight:700;text-decoration:none;transition:all .3s;display:inline-flex;box-shadow:0 10px 30px -10px #2dd4bf66}.cta-button-primary:hover{color:var(--color-fondo);transform:translateY(-3px);box-shadow:0 15px 40px -10px #2dd4bf99}.cta-button-secondary{border:2px solid var(--color-borde);color:var(--color-texto-principal);background:0 0;border-radius:50px;align-items:center;gap:.5rem;padding:1.2rem 2.5rem;font-size:1.2rem;font-weight:700;text-decoration:none;transition:all .3s;display:inline-flex}.cta-button-secondary:hover{border-color:var(--acento-primario);color:var(--acento-primario);transform:translateY(-2px)}.section-padding{padding:3.5rem 0}.section-title{color:var(--color-texto-principal);text-align:center;margin-bottom:1rem;font-size:2.8rem;font-weight:700}.section-subtitle{color:var(--color-texto-secundario);text-align:center;max-width:700px;margin-bottom:3rem;margin-left:auto;margin-right:auto;font-size:1.2rem}.feature-card{background:var(--color-fondo-secundario);border:1px solid var(--color-borde);text-align:center;border-radius:1.5rem;height:100%;padding:2.5rem;transition:all .4s;position:relative;overflow:hidden}.feature-card:before{content:"";opacity:0;background:radial-gradient(circle,#2dd4bf0d 0%,#0000 70%);width:200%;height:200%;transition:opacity .4s;position:absolute;top:-50%;left:-50%}.feature-card:hover:before{opacity:1}.feature-card:hover{border-color:var(--acento-primario);transform:translateY(-10px);box-shadow:0 20px 60px -10px #0000004d}.feature-icon{color:var(--acento-primario);margin-bottom:1.5rem;font-size:3.5rem;transition:transform .4s}.feature-card:hover .feature-icon{transform:scale(1.1)rotate(5deg)}.feature-title{color:var(--color-texto-principal);margin-bottom:1rem;font-size:1.5rem;font-weight:600}.feature-description{color:var(--color-texto-secundario);font-size:1.05rem;line-height:1.6}.levels-section{background:var(--color-fondo-secundario)}.level-card-landing{background:var(--color-fondo);border:2px solid var(--color-borde);text-align:center;color:inherit;border-radius:1.5rem;flex-direction:column;align-items:center;gap:1.5rem;padding:2rem;text-decoration:none;transition:all .3s;display:flex}.level-card-landing:hover{border-color:var(--glow-color);box-shadow:0 0 30px -5px var(--glow-color);transform:translate(10px)}.level-badge-landing{color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;min-width:100px;height:100px;font-size:2rem;font-weight:800;display:flex;box-shadow:0 10px 30px -10px #00000080}.level-info-landing{flex-grow:1}.level-info-landing h4{color:var(--color-texto-principal);margin-bottom:.5rem;font-size:1.8rem;font-weight:700}.level-info-landing p{color:var(--color-texto-secundario);margin:0;font-size:1.05rem}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem;margin-top:3rem;display:grid}.stat-item{text-align:center;background:var(--color-fondo-secundario);border:1px solid var(--color-borde);border-radius:1rem;padding:2rem}.stat-number{background:linear-gradient(135deg, var(--acento-primario), var(--acento-secundario));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:.5rem;font-size:3.5rem;font-weight:800}.stat-label{color:var(--color-texto-secundario);text-transform:uppercase;letter-spacing:1px;font-size:1.1rem;font-weight:600}.cta-final-section{border-top:1px solid var(--color-borde);border-bottom:1px solid var(--color-borde);background:linear-gradient(135deg,#2dd4bf0d 0%,#fbbf240d 100%)}@media (width<=768px){.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.2rem}.cta-buttons{flex-direction:column}.section-title{font-size:2rem}.level-card-landing{text-align:center;flex-direction:column}.level-badge-landing{min-width:80px;height:80px;font-size:1.5rem}}.topics-grid-header{text-align:center;margin-bottom:3rem;padding:2rem 0}.topics-grid-header h1{color:var(--color-texto-principal);margin-bottom:1rem;font-size:2.5rem;font-weight:700}.progress-summary{color:var(--color-texto-secundario);font-size:1.2rem;font-weight:500}.topics-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;max-width:1400px;margin:0 auto;padding:2rem 0;display:grid}.topic-card{background:var(--color-fondo-secundario);border:1px solid var(--color-borde);text-align:center;color:var(--color-texto-principal);min-height:260px;box-shadow:var(--sombra-card);border-radius:1rem;flex-direction:column;gap:1rem;padding:2rem 1.5rem;text-decoration:none;transition:all .2s;display:flex;position:relative;overflow:hidden}.topic-card:before{content:"";background:var(--acento-primario);transform-origin:0;height:6px;transition:transform .3s;position:absolute;top:0;left:0;right:0;transform:scaleX(0)}.topic-card:hover{border-color:var(--acento-primario);box-shadow:var(--sombra-hover);transform:translateY(-4px)}.topic-card:hover:before{transform:scaleX(1)}.topic-number{color:var(--acento-primario);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.5rem;font-size:.85rem;font-weight:600;display:block}.topic-icon{color:var(--acento-primario);font-size:2.5rem;transition:all .3s}.topic-card:hover .topic-icon{color:var(--acento-primario);transform:scale(1.1)}.topic-title{color:var(--color-texto-principal);flex-grow:1;margin:0;font-size:1.15rem;font-weight:700;line-height:1.4}.topic-card p{color:var(--color-texto-secundario);margin:0;font-size:.9rem;line-height:1.5}.topic-status{border-radius:.5rem;align-self:center;align-items:center;gap:.4rem;padding:.4rem .8rem;font-size:.8rem;font-weight:600;display:inline-flex}.topic-card.completed{border-color:#10b981}.topic-status.completed{color:var(--acento-secundario);background:#ecfdf5;border:1px solid #a7f3d0}.topic-status.in_progress{color:#d97706;background:#fffbeb;border:1px solid #fde68a}.topic-status.locked,.topic-status.not_started{color:var(--color-texto-secundario);border:1px solid var(--color-borde);background:#f3f4f6}.topic-card.locked{opacity:.7;pointer-events:none;background:#f9fafb}.completion-badge{color:#10b981;font-size:1.5rem;position:absolute;top:10px;right:15px}@media (width<=1200px){.topics-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.5rem}}@media (width<=768px){.topics-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem;padding:1rem 0}.topics-grid-header h1{font-size:2rem}.topic-card{min-height:250px;padding:1.5rem 1rem}}@media (width<=480px){.topics-grid{grid-template-columns:1fr}.topic-card{min-height:auto}}.topic-page-container{background:var(--color-fondo);gap:0;min-height:calc(100vh - 120px);display:flex}.topics-sidebar{background:var(--color-fondo-secundario);border-right:1px solid var(--color-borde);flex-shrink:0;width:300px;height:calc(100vh - 70px);padding:2rem 0;position:sticky;top:70px;overflow-y:auto;box-shadow:2px 0 5px #00000005}.sidebar-header{border-bottom:1px solid var(--color-borde);margin-bottom:1rem;padding:0 1.5rem 1.5rem}.sidebar-header h3{color:var(--color-texto-principal);margin-bottom:1rem;font-size:1.25rem;font-weight:700}.sidebar-progress-bar{background:#e5e7eb;border-radius:1rem;width:100%;height:6px;margin-bottom:.5rem;overflow:hidden}.sidebar-progress-fill{background:var(--acento-secundario);height:100%;transition:width 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