:root{--bg: #f6f8fb;--card: #ffffff;--accent: #4f46e5;--muted: #6b7280;--glass: rgba(15, 20, 36, .04);--text: #0f1724;--container: 1100px}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial;background:linear-gradient(180deg,#f8fafc,#eef2ff);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;width:100%}.container{max-width:var(--container);margin:0 auto;padding:1px}.landing{min-height:100vh;display:flex;flex-direction:column}.site-header{position:sticky;top:0;z-index:20;background:linear-gradient(180deg,#fffffff2,#ffffffe6);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-bottom:1px solid rgba(16,24,40,.06)}.header-inner{display:flex;align-items:center;justify-content:space-between;padding:.8rem 0}.logo{height:56px}.nav a{color:var(--text);text-decoration:none;margin-left:1rem;padding:.5rem .6rem;border-radius:8px;transition:all .18s;opacity:.88}.nav a:hover{color:var(--accent);background:transparent}.nav a.btn.small{border:1px solid rgba(16,24,40,.06);padding:.4rem .75rem}.hero{padding:3.2rem 0}.hero-inner{display:grid;grid-template-columns:1fr 360px;gap:2rem;align-items:center}.hero h1{font-size:clamp(1.6rem,2.4rem,2.6rem);margin:0 0 .6rem}.hero-sub{color:var(--muted);margin:0 0 1rem}.hero-cta{display:flex;gap:.75rem;flex-wrap:wrap}.btn{display:inline-block;padding:.7rem 1rem;border-radius:10px;background:transparent;color:inherit;border:1px solid rgba(16,24,40,.06);text-decoration:none}.btn.primary{background:linear-gradient(90deg,var(--accent),#7b8bff);color:#fff;border:none;box-shadow:0 6px 20px #4f46e51f}.btn.outline{border:1px solid rgba(16,24,40,.06);background:transparent}.btn.small{padding:.4rem .6rem;font-size:.9rem}.hero-illustration{display:flex;align-items:center;justify-content:center}.section{padding:2.2rem 0}#quienes p{color:var(--muted);line-height:1.6}.courses-container{padding:1.6rem;background:linear-gradient(180deg,transparent,rgba(255,255,255,.01))}.courses{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin-top:1rem}.course-card{background:var(--card);padding:1.2rem;border-radius:12px;text-align:left;box-shadow:0 6px 18px #0f14240f;border:1px solid rgba(15,20,36,.04);color:var(--text)}.course-card h3{margin:0 0 .4rem;font-size:1.05rem}.muted{color:var(--muted);font-size:.95rem}.site-footer{margin-top:auto;padding:1.6rem 0;border-top:1px solid rgba(255,255,255,.03)}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem}.social img{width:28px;height:28px;opacity:.95;margin-right:.5rem}.footer-actions a{margin-left:.5rem}@media(max-width:900px){.hero-inner{grid-template-columns:1fr}.header-inner{padding:.6rem 0}.logo{height:48px}.footer-inner{flex-direction:column;align-items:flex-start}}@media(prefers-reduced-motion:no-preference){.logo{transition:transform .4s,filter .3s}.logo:hover{transform:translateY(-3px)}}.text-center{text-align:center}