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auto;padding:0 var(--spacing-lg)}.row{display:flex;flex-wrap:wrap;margin:0 -var(--spacing-md)}.col{padding:0 var(--spacing-md);flex:1}.grid{display:grid;gap:var(--spacing-lg)}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.section{padding:var(--spacing-xxl) 0}.section-title{text-align:center;font-size:2rem;font-weight:700;margin-bottom:var(--spacing-xxl);color:var(--color-primary)}.section-light{background-color:var(--color-light)}.navbar{position:sticky;top:0;z-index:100;background-color:var(--color-light);box-shadow:var(--shadow-sm);height:74px}.navbar-container{max-width:var(--container-width);margin:0 auto;display:flex;align-items:center;padding:var(--spacing-md) var(--spacing-lg);height:100%}.navbar-logo{display:flex;align-items:center;gap:var(--spacing-sm);height:100%}.logo-placeholder{width:40px;height:40px;background-color:var(--color-primary);border-radius:var(--border-radius)}.logo-text{font-size:1.25rem;font-weight:700;color:var(--color-primary)}.navbar-links{display:flex;gap:var(--spacing-xl);flex:1;justify-content:center;min-height:var(--spacing-xxl);align-items:center}.navbar-links-hidden{visibility:hidden}.navbar-language{margin-left:auto;margin-right:var(--spacing-md);height:var(--spacing-xxl);display:flex;align-items:center}.navbar-auth{height:var(--spacing-xxl);display:flex;align-items:center}.navbar-auth-hidden{visibility:hidden}.nav-link{text-decoration:none;color:var(--color-text);font-weight:500;padding:var(--spacing-sm) 0;position:relative;transition:color .2s;height:var(--spacing-xl);display:flex;align-items:center}.nav-link.active{color:var(--color-primary)}.nav-link.active:after{content:"";position:absolute;bottom:0;left:0;width:100%;height:2px;background-color:var(--color-primary)}.btn{display:inline-block;padding:var(--spacing-sm) var(--spacing-lg);border-radius:var(--border-radius);font-weight:600;cursor:pointer;transition:all .2s;text-align:center;font-size:1rem;border:none}.btn-primary{background-color:var(--color-primary);color:var(--color-light)}.btn-primary:hover{background-color:var(--color-accent);transform:translateY(-2px);box-shadow:var(--shadow)}.btn-secondary{background-color:var(--color-light);color:var(--color-primary);border:2px solid var(--color-primary)}.btn-secondary:hover{background-color:var(--color-background);transform:translateY(-2px)}.btn-outline{background-color:transparent;color:var(--color-primary);border:2px solid var(--color-primary)}.btn-outline:hover{background-color:var(--color-primary);color:var(--color-light)}.btn-large{padding:var(--spacing-md) var(--spacing-xl);font-size:1.125rem}.login-btn{background-color:var(--color-background);color:var(--color-primary);border:none;padding:var(--spacing-sm) var(--spacing-lg);border-radius:var(--border-radius);font-weight:600;cursor:pointer;transition:all .2s}.login-btn:hover{background-color:var(--color-primary);color:var(--color-light)}.card{background-color:var(--color-light);border-radius:var(--border-radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .3s}.card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}.card-body{padding:var(--spacing-lg)}.card-title{font-size:1.25rem;margin-bottom:var(--spacing-sm)}.card-text{color:var(--color-muted);margin-bottom:var(--spacing-lg)}.card-footer{padding:var(--spacing-md);border-top:1px solid var(--color-border);display:flex;justify-content:space-between;align-items:center}.placeholder{background-color:var(--color-border);border-radius:var(--border-radius)}.image-placeholder{height:200px;background-color:var(--color-border);border-radius:var(--border-radius)}.icon-placeholder{width:64px;height:64px;background-color:var(--color-background);border-radius:50%}.hero{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-xxl);max-width:var(--container-width);margin:0 auto;padding:var(--spacing-xxl) var(--spacing-lg)}.hero-content{display:flex;flex-direction:column;justify-content:center}.hero-title{font-size:3rem;font-weight:800;margin-bottom:var(--spacing-lg);color:var(--color-primary);line-height:1.2}.hero-subtitle{font-size:1.125rem;line-height:1.6;color:var(--color-hover);margin-bottom:var(--spacing-xl)}.hero-buttons{display:flex;gap:var(--spacing-md)}.hero-image-placeholder{background-color:var(--color-border);border-radius:var(--border-radius);height:400px}.benefits-container{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-lg);max-width:var(--container-width);margin:0 auto}.benefit-card{background-color:var(--color-light);padding:var(--spacing-xl);border-radius:var(--border-radius);box-shadow:var(--shadow);transition:transform .3s}.benefit-card:hover{transform:translateY(-8px)}.benefit-icon-placeholder{width:64px;height:64px;background-color:var(--color-background);border-radius:50%;margin-bottom:var(--spacing-lg)}.benefit-title{font-size:1.25rem;font-weight:700;margin-bottom:var(--spacing-md);color:var(--color-primary)}.benefit-description{color:var(--color-muted);line-height:1.6}.courses-container{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-lg)}.course-card{background-color:var(--color-light);border-radius:var(--border-radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .3s}.course-card:hover{transform:translateY(-8px)}.course-image-placeholder{height:200px;background-color:var(--color-border)}.course-content{padding:var(--spacing-lg)}.course-title{font-size:1.25rem;font-weight:700;margin-bottom:var(--spacing-sm);color:var(--color-primary)}.course-description{color:var(--color-muted);margin-bottom:var(--spacing-lg);line-height:1.5}.cta{background-color:var(--color-background);padding:var(--spacing-xxl) var(--spacing-lg);text-align:center;color:var(--color-light)}.cta-content{max-width:800px;margin:0 auto}.cta-title{font-size:2.25rem;font-weight:700;margin-bottom:var(--spacing-xl)}.cta-description{font-size:1.125rem;margin-bottom:var(--spacing-xxl);opacity:.9}.footer{background-color:var(--color-primary);padding:var(--spacing-xxl) var(--spacing-lg) var(--spacing-lg);color:var(--color-light)}.footer-content{max-width:var(--container-width);margin:0 auto;display:grid;grid-template-columns:1fr 2fr;gap:var(--spacing-xxl);margin-bottom:var(--spacing-xl)}.footer-logo{display:flex;flex-direction:column;gap:var(--spacing-sm)}.footer-tagline{color:#ffffffb3;color:color-mix(in srgb,var(--color-light) 70%,transparent)}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-lg)}.footer-links-column h4{font-size:1.125rem;margin-bottom:var(--spacing-lg);font-weight:600}.footer-links-column a{display:block;color:#ffffffb3;color:color-mix(in srgb,var(--color-light) 70%,transparent);text-decoration:none;margin-bottom:var(--spacing-sm);transition:color .2s}.footer-links-column a:hover{color:var(--color-light)}.footer-bottom{max-width:var(--container-width);margin:0 auto;padding-top:var(--spacing-lg);border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between}.copyright{color:#ffffff80}.social-links{display:flex;gap:var(--spacing-lg)}.social-link{color:#ffffffb3;color:color-mix(in srgb,var(--color-light) 70%,transparent);text-decoration:none;transition:color .2s}.social-link:hover{color:var(--color-light)}@media(max-width:1200px){.container{max-width:100%;padding:0 var(--spacing-lg)}}@media(max-width:1024px){:root{--font-size-base: 15px}.hero{grid-template-columns:1fr;padding:var(--spacing-xl) var(--spacing-lg);gap:var(--spacing-xl)}.benefits-container,.courses-container{grid-template-columns:repeat(2,1fr)}.footer-content{grid-template-columns:.5fr;gap:var(--spacing-xl)}}@media(max-width:768px){:root{--font-size-base: 14px}.grid-2,.grid-3,.grid-4,.benefits-container,.courses-container{grid-template-columns:1fr}.navbar-links{display:none}.hero-title{font-size:2.25rem}.hero-buttons{flex-direction:column;gap:var(--spacing-sm)}.footer-links{grid-template-columns:.5fr}.footer-bottom{flex-direction:column;gap:var(--spacing-lg);align-items:center}}