@font-face{font-family:Manrope;src:url('/assets/manrope-400.ttf')}@font-face{font-family:Manrope;src:url('/assets/manrope-600.ttf');font-weight:600}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f5f3ed;color:#18201c;font:16px/1.8 Manrope,Arial,sans-serif}a{color:inherit;text-underline-offset:4px}img{display:block;max-width:100%;height:auto}.topbar{background:#111714;color:#f5f3ed;padding:22px max(28px,calc((100vw - 1260px)/2));display:flex;justify-content:space-between;align-items:center;gap:25px}.topbar div{display:flex;gap:25px;font-size:12px}.reader-shell{display:grid;grid-template-columns:255px minmax(0,820px);gap:65px;max-width:1200px;padding:48px 28px 70px;margin:auto}.sidebar{align-self:start;position:sticky;top:25px}.sidebar .book-title{font-weight:600;font-size:21px;line-height:1.35;letter-spacing:-.03em;margin-bottom:28px}.eyebrow,.section-label{text-transform:uppercase;font-size:10px;font-weight:600;letter-spacing:.15em;color:#536b3e}.sidebar 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img{width:100%}.real-preview figcaption{padding:14px 20px;font-size:11px;color:#526349}.text-link{font-size:13px}footer{background:#111714;color:#dce4d6;display:flex;justify-content:space-between;padding:24px 30px;font-size:11px}.skip{position:absolute;top:-100px;left:20px}.skip:focus{top:12px;z-index:5;background:#f5f3ed;padding:14px}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #739548;outline-offset:4px}@media(max-width:950px){.reader-shell{gap:30px;grid-template-columns:215px minmax(0,1fr)}}@media(max-width:700px){.topbar{padding:18px 20px;align-items:start}.topbar img{width:170px}.topbar div{flex-direction:column;gap:8px;font-size:10px;text-align:right}.reader-shell{display:flex;flex-direction:column;padding:25px 20px 45px;gap:32px}.sidebar{position:static;width:100%}.sidebar .book-title{margin:8px 0 16px;font-size:19px}.sidebar nav{max-height:160px;overflow:auto;border:1px solid #d2d8ca;border-radius:6px;padding:8px}.sidebar li a{min-height:40px}.chapter-heading h1{font-size:36px}.lead{font-size:16px}.prompt-head{flex-direction:column;gap:5px}.prompt-panel{padding:20px}.prompt-panel pre{font-size:13px}.lesson{padding:22px 0}.chapter-next{flex-direction:column;align-items:stretch}.chapter-next .button{text-align:center}.route-map{grid-template-columns:repeat(2,1fr)}footer{flex-direction:column;gap:12px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media(max-width:700px){.lesson.prompt-panel{padding:20px}}
.intro-section{padding:15px 0 9px}.intro-section h2{font-size:27px;margin-bottom:16px}.intro-section p{font-size:17px;line-height:1.85}

.prompt-panel details{margin:16px 0}.prompt-panel summary{cursor:pointer;font-size:14px;font-weight:600;padding:12px 0}.prompt-panel details pre{max-height:460px;overflow:auto;padding-right:10px}.prompt-panel .text-link{display:inline-block;margin-top:12px}

.prompt-panel mark{background:#cbdcaf;color:#24381b;border-radius:3px;padding:1px 3px;font-weight:600}.prompt-help{font-size:13px;color:#41503d;border-bottom:1px solid #cbd5bd;padding-bottom:14px;margin-top:12px}.lesson-sources{font-size:12px;margin:22px 0}.lesson-sources a{display:block;margin:8px 0;overflow-wrap:anywhere}

/* Contacto oficial de Estate Intelligence. */
footer{flex-wrap:wrap}footer .brand-contact{overflow-wrap:anywhere}