*{margin:0;padding:0;box-sizing:border-box}:root{--color-primary: #1e3a8a;--color-primary-dark: #1e40af;--color-primary-light: #3b82f6;--color-secondary: #0f172a;--color-accent: #0891b2;--color-success: #059669;--color-text: #1f2937;--color-text-light: #6b7280;--color-bg: #ffffff;--color-bg-light: #f9fafb;--color-bg-dark: #f3f4f6;--color-border: #e5e7eb;--font-primary: "Inter", system-ui, -apple-system, sans-serif;--font-heading: "Inter", system-ui, -apple-system, sans-serif;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--spacing-2xl: 4rem;--spacing-3xl: 6rem;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1);--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 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auto}.advantage-item{background:#fff;padding:var(--spacing-xl);border-radius:var(--radius-xl);border:2px solid transparent;position:relative;transition:all .4s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 6px -1px #0000000d,0 2px 4px -1px #00000008;overflow:hidden}.advantage-item:before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--color-primary) 0%,var(--color-accent) 100%);transform:scaleX(0);transform-origin:left;transition:transform .4s cubic-bezier(.4,0,.2,1)}.advantage-item:hover:before{transform:scaleX(1)}.advantage-item:hover{transform:translateY(-8px);border-color:var(--color-primary-light);box-shadow:0 20px 25px -5px #3b82f626,0 10px 10px -5px #3b82f614,0 0 0 1px #3b82f61a}.advantage-number{position:absolute;top:var(--spacing-md);right:var(--spacing-md);font-size:5rem;font-weight:900;background:linear-gradient(135deg,var(--color-primary-light),var(--color-accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;opacity:.15;font-family:var(--font-heading);line-height:1;transition:all .4s ease}.advantage-item:hover .advantage-number{opacity:.25;transform:scale(1.1) rotate(-5deg)}.advantage-item h3{font-size:1.35rem;margin-bottom:var(--spacing-md);color:var(--color-secondary);padding-right:60px;font-weight:700;transition:color .3s ease}.advantage-item:hover h3{color:var(--color-primary)}.advantage-item p{color:var(--color-text-light);line-height:1.8;font-size:.975rem;position:relative;z-index:1}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.advantage-item{animation:fadeInUp .6s ease-out 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h2{font-size:clamp(2rem,4vw,2.75rem);margin-bottom:var(--spacing-lg);color:#fff}.guarantee-main{font-size:1.5rem;margin-bottom:var(--spacing-lg);line-height:1.6}.guarantee-detail{font-size:1.125rem;opacity:.9;line-height:1.8}.clases{padding:var(--spacing-3xl) 0;background-color:var(--color-bg)}.clases-content{display:grid;grid-template-columns:1.2fr 1fr;gap:var(--spacing-2xl);align-items:start}.clases-features-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-md);margin-top:var(--spacing-lg);margin-bottom:0}.clases-feature-card{padding:var(--spacing-md);background:#fff;border-radius:var(--radius-lg);border:1px solid var(--color-border);transition:all .3s 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h2{font-size:clamp(1.75rem,3vw,2.25rem);margin-bottom:var(--spacing-md);color:var(--color-secondary)}.contact-info>p{font-size:1.125rem;color:var(--color-text-light);margin-bottom:var(--spacing-xl);line-height:1.7}.contact-features{display:flex;flex-direction:column;gap:var(--spacing-md)}.contact-feature{display:flex;align-items:center;gap:var(--spacing-sm);color:var(--color-text);font-weight:500}.contact-feature svg{color:var(--color-success);flex-shrink:0}.contact-student-image{position:absolute;margin-top:200px;height:350px;width:auto;object-fit:contain;pointer-events:none}@media(max-width:1780px){.contact-student-image{height:220px;margin-top:250px}}.contact-form-wrapper{background-color:#fff;padding:var(--spacing-xl);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);scroll-margin-top:120px}.contact-form{display:flex;flex-direction:column;gap:var(--spacing-lg)}.form-group{display:flex;flex-direction:column;gap:var(--spacing-xs)}.form-group 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h3{font-size:1.125rem;color:#fff;margin-bottom:var(--spacing-xs);font-weight:600}.work-feature p{color:#fffc;line-height:1.6}.work-form-wrapper{background-color:#fff;padding:var(--spacing-xl);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg)}.work-form{display:flex;flex-direction:column;gap:var(--spacing-lg)}.work-form h3{font-size:1.5rem;color:var(--color-secondary);margin-bottom:var(--spacing-xs)}.footer{background-color:var(--color-secondary);color:#fff;padding:var(--spacing-2xl) 0 var(--spacing-lg)}.footer-content{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:var(--spacing-xl);margin-bottom:var(--spacing-xl)}.footer-section h3,.footer-section h4{color:#fff;margin-bottom:var(--spacing-md);font-size:1.125rem}.footer-section p{color:#fffc;line-height:1.7}.footer-section ul{list-style:none;padding:0}.footer-section ul li{margin-bottom:var(--spacing-sm)}.footer-section ul li a{color:#fffc;transition:color .3s ease}.footer-section ul li 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