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#ffffff59;align-items:center;gap:10px;padding:20px 44px;font-size:18px;font-weight:700;text-decoration:none;display:inline-flex}.btn-hero-teacher:hover{background:#ffffff40;border-color:#fff9;transform:translateY(-3px)scale(1.02)}.scroll-indicator{color:#ffffff80;letter-spacing:.1em;flex-direction:column;align-items:center;gap:8px;font-size:12px;animation:2s ease-in-out infinite bounce;display:flex;position:absolute;bottom:32px;left:50%;transform:translate(-50%)}.stats-banner{background:var(--primary-800);flex-wrap:wrap;justify-content:center;gap:60px;padding:20px 40px;display:flex}.stat-item{text-align:center;color:#fff}.stat-num{font-family:var(--font-display);background:linear-gradient(135deg,#80deea,#ce93d8);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:32px;font-weight:800}.stat-label{color:#fff9;letter-spacing:.05em;text-transform:uppercase;margin-top:2px;font-size:12px}.landing-section{max-width:1100px;margin:0 auto;padding:80px 24px}.section-chip{background:var(--primary-100);color:var(--primary-600);border-radius:var(--radius-full);letter-spacing:.05em;text-transform:uppercase;align-items:center;gap:6px;margin-bottom:12px;padding:6px 14px;font-size:12px;font-weight:700;display:inline-flex}.section-title{font-family:var(--font-display);color:var(--gray-900);margin-bottom:16px;font-size:clamp(28px,4vw,42px);font-weight:800;line-height:1.2}.features-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px;margin-top:48px;display:grid}.feature-card{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow);transition:var(--transition-spring);border:1px solid var(--gray-200);padding:32px;position:relative;overflow:hidden}.feature-card:before{content:"";border-radius:var(--radius-lg) var(--radius-lg) 0 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(width<=600px){.estudiante-header{text-align:center;grid-template-columns:1fr}.header-left{text-align:center}.lecturas-grid{grid-template-columns:1fr}.filter-chips{justify-content:center}}.selector-empty{text-align:center;background:var(--bg);min-height:100vh;font-family:var(--font-ui);flex-direction:column;justify-content:center;align-items:center;padding:40px 24px;display:flex}.selector-empty-icon{filter:grayscale(.3);margin-bottom:20px;font-size:72px}.selector-empty h2{font-family:var(--font-display);color:var(--gray-900);margin-bottom:10px;font-size:24px;font-weight:800}.selector-empty p{color:var(--gray-500);max-width:380px;font-size:16px;line-height:1.6}.selector-root{background:linear-gradient(160deg, var(--primary-900) 0%, var(--primary-700) 50%, #4527a0 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