:root{--azul-principal:#1a73e8;--azul-oscuro:#0d47a1;--verde:#34a853;--amarillo:#fbbc04;--naranja:#ea4335;--lila:#7c4dff;--fondo:#f0f4ff;--blanco:#fff;--gris-claro:#f8f9fa;--gris-texto:#5f6368;--texto-oscuro:#202124;--sombra:0 4px 20px #0000001a;--radio:16px;--radio-sm:8px;--transicion:all .3s ease}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--fondo);color:var(--texto-oscuro);font-family:Nunito,Segoe UI,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.navbar{background:var(--blanco);box-shadow:var(--sombra);z-index:1000;justify-content:space-between;align-items:center;height:70px;padding:0 2rem;display:flex;position:sticky;top:0}.navbar-brand{color:var(--azul-principal);align-items:center;gap:.6rem;font-size:1.5rem;font-weight:800;display:flex}.logo-icon{background:linear-gradient(135deg, var(--azul-principal), var(--lila));color:#fff;letter-spacing:-.5px;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:.85rem;font-weight:800;display:flex}.navbar-brand .logo-icon{border-radius:12px;width:42px;height:42px;font-size:1rem}.navbar-nav{gap:.5rem;list-style:none;display:flex}.navbar-nav a{transition:var(--transicion);color:var(--gris-texto);border-radius:50px;padding:.5rem 1.1rem;font-size:.95rem;font-weight:600}.navbar-nav a:hover,.navbar-nav a.active{background:var(--fondo);color:var(--azul-principal)}.navbar-nav a.nav-primaria{color:var(--verde);background:#34a8531f}.navbar-nav a.nav-secundaria{color:var(--azul-principal);background:#1a73e81f}.navbar-nav a.nav-bachillerato{color:var(--lila);background:#7c4dff1f}.navbar-nav a.nav-primaria:hover,.navbar-nav a.nav-primaria.active{background:var(--verde);color:#fff}.navbar-nav a.nav-secundaria:hover,.navbar-nav a.nav-secundaria.active{background:var(--azul-principal);color:#fff}.navbar-nav a.nav-bachillerato:hover,.navbar-nav a.nav-bachillerato.active{background:var(--lila);color:#fff}.navbar-nav-movil a.nav-primaria{border-left:4px solid var(--verde)}.navbar-nav-movil a.nav-secundaria{border-left:4px solid var(--azul-principal)}.navbar-nav-movil a.nav-bachillerato{border-left:4px solid var(--lila)}.navbar-actions{align-items:center;gap:.8rem;display:flex}.btn{cursor:pointer;transition:var(--transicion);border:none;border-radius:50px;align-items:center;gap:.5rem;padding:.7rem 1.6rem;font-size:1rem;font-weight:700;text-decoration:none;display:inline-flex}.btn-primary{background:var(--azul-principal);color:#fff;box-shadow:0 4px 15px #1a73e859}.btn-primary:hover{background:var(--azul-oscuro);transform:translateY(-2px);box-shadow:0 6px 20px #1a73e873}.btn-success{background:var(--verde);color:#fff;box-shadow:0 4px 15px #34a85359}.btn-success:hover{background:#2d9248;transform:translateY(-2px)}.btn-warning{background:var(--amarillo);color:var(--texto-oscuro);box-shadow:0 4px 15px #fbbc0459}.btn-warning:hover{background:#f9a825;transform:translateY(-2px)}.btn-outline{border:2px solid var(--azul-principal);color:var(--azul-principal);background:0 0}.btn-outline:hover{background:var(--azul-principal);color:#fff;transform:translateY(-2px)}.btn-lg{padding:1rem 2.2rem;font-size:1.15rem}.btn:active{transform:scale(.96)}.hero{text-align:center;background:radial-gradient(#1a73e838 1.8px,#0000 2.2px) 0 0/22px 22px,linear-gradient(#f8fafd 0%,#f0f3f9 100%);padding:5rem 2rem 4rem;position:relative;overflow:hidden}.hero:before{content:"";background:radial-gradient(circle,#1a73e812,#0000 70%);border-radius:50%;width:350px;height:350px;position:absolute;top:-50px;right:-80px}.hero:after{content:"";background:radial-gradient(circle,#7c4dff0f,#0000 70%);border-radius:50%;width:280px;height:280px;position:absolute;bottom:-60px;left:-60px}.hero-content{z-index:1;max-width:750px;margin:0 auto;position:relative}.hero-badge{color:var(--azul-principal);background:#1a73e81f;border:1px solid #1a73e840;border-radius:50px;align-items:center;gap:.5rem;margin-bottom:1.2rem;padding:.4rem 1.2rem;font-size:.9rem;font-weight:700;display:inline-flex}.hero-badge:before{content:"";background:currentColor;border-radius:50%;flex-shrink:0;width:7px;height:7px;animation:1.6s ease-in-out infinite pulso-badge}@keyframes pulso-badge{0%,to{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(1.6)}}.hero h1{color:var(--texto-oscuro);margin-bottom:1.2rem;font-size:clamp(2rem,5vw,3.2rem);font-weight:900;line-height:1.2}.hero h1 span{background:linear-gradient(135deg, var(--azul-principal), var(--lila));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.hero p{color:var(--gris-texto);max-width:600px;margin-bottom:2rem;margin-left:auto;margin-right:auto;font-size:1.2rem}.hero-buttons{flex-wrap:wrap;justify-content:center;gap:1rem;margin-bottom:3rem;display:flex}.hero-foto{text-align:left;color:#fff;background:linear-gradient(90deg,#0a1224ed 0%,#0a1224db 48%,#0a122459 75%,#0a12240d 100%),url(/images/hero_estudiante.jpg) 100%/cover no-repeat;align-items:center;min-height:560px;display:flex}.hero-foto:before,.hero-foto:after{display:none}.hero-foto .hero-content{max-width:500px;margin:0}.hero-foto .hero-badge{color:#fff;background:#ffffff26;border-color:#ffffff59}.hero-foto h1{color:#fff;text-shadow:0 2px 12px #00000080}.hero-foto p{color:#ffffffeb;text-shadow:0 1px 8px #0006;margin-left:0;margin-right:0}.hero-foto .hero-buttons{justify-content:flex-start}.hero-foto .btn-outline{color:#fff;border-color:#fff}.hero-foto .btn-outline:hover{color:var(--azul-principal);background:#fff}.hero-image-row{flex-wrap:wrap;justify-content:center;gap:1.5rem;margin-top:1rem;display:flex}.hero-img-card{border-radius:var(--radio);box-shadow:var(--sombra);width:200px;transition:var(--transicion);background:#fff;overflow:hidden}.hero-img-card:hover{transform:translateY(-6px);box-shadow:0 8px 30px #00000026}.hero-img-card img{object-fit:cover;width:100%;height:140px}.hero-img-card p{color:var(--texto-oscuro);margin:0;padding:.6rem;font-size:.85rem;font-weight:700}.stats-bar{background:var(--fondo);grid-template-columns:repeat(4,1fr);gap:1.5rem;max-width:1000px;margin:0 auto;padding:3rem 2rem;display:grid}.stat-item{text-align:center;background:var(--blanco);border-radius:var(--radio);box-shadow:var(--sombra);transition:var(--transicion);border-top:5px solid #0000;padding:1.6rem 1rem}.stat-item:hover{transform:translateY(-4px);box-shadow:0 8px 28px #0000001f}.stat-item.azul{border-top-color:var(--azul-principal)}.stat-item.verde{border-top-color:var(--verde)}.stat-item.lila{border-top-color:var(--lila)}.stat-item.amarillo{border-top-color:var(--amarillo)}.stat-item .stat-num{font-size:2rem;font-weight:900;display:block}.stat-item.azul .stat-num{color:var(--azul-principal)}.stat-item.verde .stat-num{color:var(--verde)}.stat-item.lila .stat-num{color:var(--lila)}.stat-item.amarillo .stat-num{color:#c99400}.stat-item .stat-label{color:var(--gris-texto);font-size:.9rem;font-weight:600}.section{max-width:1200px;margin:0 auto;padding:4rem 2rem}.section-title{text-align:center;color:var(--texto-oscuro);margin-bottom:.6rem;font-size:clamp(1.6rem,3vw,2.2rem);font-weight:900}.section-subtitle{text-align:center;color:var(--gris-texto);margin-bottom:2.5rem;font-size:1.05rem}.etapas-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;display:grid}.etapa-card{background:var(--blanco);border-radius:var(--radio);box-shadow:var(--sombra);transition:var(--transicion);text-align:center;border-top:5px solid;padding:2rem}.etapa-card:hover{transform:translateY(-6px);box-shadow:0 10px 35px #00000021}.etapa-card.primaria{border-color:var(--naranja)}.etapa-card.secundaria{border-color:var(--verde)}.etapa-card.bachillerato{border-color:var(--amarillo)}.etapa-icon{margin-bottom:1rem;font-size:3rem;display:block}.etapa-card h3{margin-bottom:.5rem;font-size:1.4rem;font-weight:800}.etapa-card p{color:var(--gris-texto);margin-bottom:1.5rem;font-size:.95rem}.etapa-card .asignaturas-list{flex-wrap:wrap;justify-content:center;gap:.4rem;margin-bottom:1.5rem;display:flex}.asig-tag{background:var(--fondo);color:var(--gris-texto);border-radius:50px;padding:.3rem .8rem;font-size:.8rem;font-weight:600}.features-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;display:grid}.feature-card{background:var(--blanco);border-radius:var(--radio);box-shadow:var(--sombra);transition:var(--transicion);text-align:center;border-top:5px solid #0000;padding:2rem}.feature-card:hover{transform:translateY(-4px);box-shadow:0 8px 28px #0000001f}.features-grid .feature-card:first-child{border-top-color:var(--verde)}.features-grid .feature-card:nth-child(2){border-top-color:var(--azul-principal)}.features-grid .feature-card:nth-child(3){border-top-color:var(--lila)}.features-grid-2col .feature-card:first-child{border-top-color:var(--azul-principal)}.features-grid-2col .feature-card:nth-child(2){border-top-color:var(--verde)}.features-grid-2col .feature-card:nth-child(3){border-top-color:var(--lila)}.features-grid-2col .feature-card:nth-child(4){border-top-color:var(--amarillo)}.feature-icon{border-radius:20px;justify-content:center;align-items:center;width:70px;height:70px;margin:0 auto 1.2rem;font-size:2rem;display:flex}.features-grid-2col .feature-card:first-child .feature-icon{background:#1a73e81f}.features-grid-2col .feature-card:nth-child(2) .feature-icon{background:#34a8531f}.features-grid-2col .feature-card:nth-child(3) .feature-icon{background:#7c4dff1f}.features-grid-2col .feature-card:nth-child(4) .feature-icon{background:#fbbc0426}.feature-card h3{margin-bottom:.5rem;font-size:1.15rem;font-weight:800}.feature-card p{color:var(--gris-texto);font-size:.93rem}.steps-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem;display:grid;position:relative}.step-card{background:var(--blanco);border-radius:var(--radio);box-shadow:var(--sombra);text-align:center;transition:var(--transicion);padding:2rem 1.5rem}.step-card:hover{transform:translateY(-4px)}.step-number{background:linear-gradient(135deg, var(--azul-principal), var(--lila));color:#fff;border-radius:50%;justify-content:center;align-items:center;width:50px;height:50px;margin:0 auto 1rem;font-size:1.3rem;font-weight:900;display:flex}.step-card h3{margin-bottom:.5rem;font-size:1.05rem;font-weight:800}.step-card p{color:var(--gris-texto);font-size:.9rem}.testimonios-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;display:grid}.testimonio-card{background:var(--blanco);border-radius:var(--radio);box-shadow:var(--sombra);transition:var(--transicion);padding:2rem}.testimonio-card:hover{transform:translateY(-4px)}.testimonio-stars{color:var(--amarillo);margin-bottom:.8rem;font-size:1.2rem}.testimonio-card p{color:var(--gris-texto);margin-bottom:1.2rem;font-size:.97rem;font-style:italic}.testimonio-autor{align-items:center;gap:.8rem;display:flex}.autor-avatar{color:#fff;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;font-size:1.3rem;font-weight:700;display:flex}.autor-info strong{font-size:.95rem;display:block}.autor-info span{color:var(--gris-texto);font-size:.82rem}.precios-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;max-width:900px;margin:0 auto;display:grid}.precio-card{background:var(--blanco);border-radius:var(--radio);box-shadow:var(--sombra);text-align:center;transition:var(--transicion);padding:2.5rem 2rem;position:relative}.precio-card.destacado{background:linear-gradient(135deg, var(--azul-principal), var(--lila));color:#fff;transform:scale(1.05)}.precio-card:hover{transform:translateY(-6px)}.precio-card.destacado:hover{transform:scale(1.05)translateY(-6px)}.precio-badge{background:var(--amarillo);color:var(--texto-oscuro);border-radius:50px;padding:.3rem 1.2rem;font-size:.82rem;font-weight:800;position:absolute;top:-14px;left:50%;transform:translate(-50%)}.precio-card h3{margin-bottom:.5rem;font-size:1.3rem;font-weight:800}.precio-amount{margin:1rem 0;font-size:2.8rem;font-weight:900}.precio-amount span{opacity:.8;font-size:1.1rem;font-weight:600}.precio-features{text-align:left;margin:1.5rem 0;list-style:none}.precio-features li{align-items:center;gap:.5rem;padding:.4rem 0;font-size:.93rem;display:flex}.precio-features li:before{content:"✓";color:var(--verde);font-weight:900}.precio-card.destacado .precio-features li:before{color:var(--amarillo)}.cta-section{background:linear-gradient(135deg, var(--azul-principal), var(--lila));color:#fff;text-align:center;margin:3rem 0 0;padding:5rem 2rem}.cta-section h2{margin-bottom:1rem;font-size:clamp(1.8rem,4vw,2.8rem);font-weight:900}.cta-section p{opacity:.9;max-width:550px;margin-bottom:2rem;margin-left:auto;margin-right:auto;font-size:1.15rem}.cta-section .btn-warning{padding:1rem 2.5rem;font-size:1.2rem}footer{background:var(--texto-oscuro);color:#ffffffbf;padding:3rem 2rem 1.5rem}.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr;gap:2rem;max-width:1200px;margin:0 auto 2rem;display:grid}.footer-brand{color:#fff;align-items:center;gap:.6rem;margin-bottom:.8rem;font-size:1.3rem;font-weight:800;display:flex}footer h4{color:#fff;margin-bottom:1rem;font-size:1rem;font-weight:700}footer ul{list-style:none}footer ul li{margin-bottom:.5rem}footer ul li a{color:#ffffffa6;transition:var(--transicion);font-size:.9rem}footer ul li a:hover{color:#fff}.footer-bottom{text-align:center;border-top:1px solid #ffffff1a;max-width:1200px;margin:0 auto;padding-top:1.5rem;font-size:.85rem}.page-header{text-align:center;background:linear-gradient(135deg,#e8f0fe,#f3e5f5);padding:3rem 2rem 2rem}.page-header h1{margin-bottom:.5rem;font-size:clamp(1.8rem,4vw,2.8rem);font-weight:900}.page-header p{color:var(--gris-texto);font-size:1.1rem}.asignaturas-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1.2rem;display:grid}.asig-card{background:var(--blanco);border-radius:var(--radio);box-shadow:var(--sombra);text-align:center;transition:var(--transicion);cursor:pointer;border:2px solid #0000;padding:1.8rem 1.2rem}.asig-card:hover{border-color:var(--azul-principal);transform:translateY(-5px);box-shadow:0 8px 28px #1a73e82e}.asig-card .asig-icon{margin-bottom:.8rem;font-size:2.5rem;display:block}.asig-card h3{color:var(--texto-oscuro);font-size:.95rem;font-weight:800}.asig-card p{color:var(--gris-texto);margin-top:.3rem;font-size:.8rem}.chatbot-widget{z-index:999;position:fixed;bottom:2rem;right:2rem}.chatbot-btn{background:linear-gradient(135deg, var(--azul-principal), var(--lila));color:#fff;cursor:pointer;width:62px;height:62px;transition:var(--transicion);border:none;border-radius:50%;justify-content:center;align-items:center;font-size:1.6rem;display:flex;box-shadow:0 6px 25px #1a73e873}.chatbot-btn:hover{transform:scale(1.1);box-shadow:0 8px 30px #1a73e88c}.chatbot-window{border-radius:var(--radio);background:#fff;flex-direction:column;width:340px;display:none;position:absolute;bottom:75px;right:0;overflow:hidden;box-shadow:0 10px 40px #0000002e}.chatbot-window.open{display:flex}.chatbot-header{background:linear-gradient(135deg, var(--azul-principal), var(--lila));color:#fff;align-items:center;gap:.8rem;padding:1rem 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button{background:var(--azul-principal);color:#fff;cursor:pointer;width:36px;height:36px;transition:var(--transicion);border:none;border-radius:50%;justify-content:center;align-items:center;font-size:1rem;display:flex}.chatbot-input button:hover{background:var(--azul-oscuro)}.seccion-clara{background:var(--blanco)}.seccion-tinta{background:var(--fondo)}.features-grid-2col{grid-template-columns:repeat(2,1fr);gap:1.5rem;max-width:900px;margin:0 auto;display:grid}.chat-preview{background:var(--blanco);border:8px solid var(--texto-oscuro);border-radius:24px;max-width:380px;margin:0 auto;overflow:hidden;box-shadow:0 20px 60px #0000002e}.chat-preview-header{background:linear-gradient(135deg, var(--azul-principal), var(--lila));color:#fff;align-items:center;gap:.6rem;padding:1rem 1.2rem;font-weight:800;display:flex}.chat-preview-body{flex-direction:column;gap:.7rem;min-height:280px;padding:1.2rem;display:flex}.chat-burbuja{border-radius:16px;max-width:82%;padding:.7rem 1rem;font-size:.88rem;line-height:1.4}.chat-burbuja.profe{background:var(--gris-claro);color:var(--texto-oscuro);border-bottom-left-radius:4px;align-self:flex-start}.chat-burbuja.alumno{background:var(--azul-principal);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}.pasos-grid{grid-template-columns:repeat(3,1fr);gap:2rem;max-width:1000px;margin:0 auto;display:grid}.paso-item{text-align:center;background:var(--blanco);border-radius:var(--radio);box-shadow:var(--sombra);transition:var(--transicion);border-top:5px solid #0000;padding:2rem 1.5rem}.paso-item:hover{transform:translateY(-6px);box-shadow:0 10px 35px #00000021}.paso-item:first-child{border-top-color:var(--azul-principal)}.paso-item:nth-child(2){border-top-color:var(--verde)}.paso-item:nth-child(3){border-top-color:var(--lila)}.paso-num{background:var(--azul-principal);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;margin:0 auto 1rem;font-size:1.3rem;font-weight:900;display:flex}.paso-item:first-child .paso-num{background:var(--azul-principal)}.paso-item:nth-child(2) .paso-num{background:var(--verde)}.paso-item:nth-child(3) .paso-num{background:var(--lila)}@media (width<=768px){.features-grid-2col{grid-template-columns:1fr}.pasos-grid{grid-template-columns:1fr;gap:2.5rem}}.registro-container{background:var(--fondo);grid-template-columns:1fr 1fr;min-height:calc(100vh - 70px);display:grid}.registro-left{color:#fff;background:linear-gradient(135deg,#1a73e89e,#7c4dff9e),url(/images/nino_casa.jpg) 50%/cover no-repeat;flex-direction:column;justify-content:center;padding:4rem 3rem;display:flex;position:relative}.registro-badge{color:var(--texto-oscuro);box-shadow:var(--sombra);background:#fffffff2;border-radius:50px;align-items:center;gap:.4rem;padding:.5rem .9rem;font-size:.85rem;font-weight:800;display:flex;position:absolute;top:1.5rem;right:1.5rem}.registro-badge span{opacity:.65;font-weight:600}.registro-left 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