/* Capa visual compartida para las páginas históricas. Mantiene su estructura y unifica acabado. */
:root{--is-blue:#1473e6;--is-ink:#07111f;--is-line:#dfe5ec;--is-shadow:0 24px 70px rgba(7,17,31,.12)}
html{scroll-behavior:smooth}body{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}img{height:auto}header{backdrop-filter:blur(18px)}main img{border-radius:16px}a,button{transition-duration:.2s!important}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(20,115,230,.35)!important;outline-offset:3px}.rounded-3xl,.card{box-shadow:0 1px 2px rgba(7,17,31,.03)}.rounded-3xl:hover,.card:hover{box-shadow:var(--is-shadow)}footer{background:#050b14!important}.is-skip-link{position:fixed;top:-80px;left:16px;z-index:9999;background:#fff;color:#07111f;padding:12px 18px;border-radius:12px;font-weight:700}.is-skip-link:focus{top:16px}.is-whatsapp{position:fixed;right:20px;bottom:20px;z-index:90;width:56px;height:56px;display:grid;place-items:center;border-radius:18px;background:#18a66a;color:#fff!important;text-decoration:none;box-shadow:0 16px 38px rgba(12,105,66,.28);font-size:22px}.is-whatsapp:hover{transform:translateY(-3px)}@media(max-width:640px){.is-whatsapp{right:14px;bottom:14px}h1{overflow-wrap:anywhere}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}