:root{color-scheme:light;--ink:#061b31;--body:#273951;--line:#e5edf5;--paper:#fff}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--body);font:1.0625rem/1.7 system-ui,-apple-system,"Segoe UI",sans-serif}a{color:var(--ink);text-underline-offset:5px}a:hover{text-decoration-thickness:2px}a:focus-visible{outline:3px solid #533afd;outline-offset:6px}.wrap{width:min(1120px,calc(100% - 48px));margin-inline:auto}header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:28px;border-bottom:1px solid var(--line)}.brand{font-size:1.4rem;font-weight:750;text-decoration:none;line-height:1.3}.brand span{display:block;font-size:.875rem;font-weight:400;margin-top:4px}nav{font-size:1rem}.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:64px;align-items:center;padding-block:68px 80px}.eyebrow{font-size:.875rem;letter-spacing:.12em;font-weight:650}h1,h2{color:var(--ink)}h1{font-family:Georgia,"Times New Roman",serif;font-size:clamp(2.8rem,6vw,5rem);font-weight:400;line-height:1.08;letter-spacing:-.04em;margin:24px 0}.intro{font-size:1.25rem;line-height:1.6;max-width:32rem}.button{display:inline-block;background:var(--ink);color:white;border-radius:6px;padding:13px 23px;text-decoration:none;margin-top:16px;font-weight:600}.button:hover{background:#273951}.note,figcaption{font-size:.9375rem}figure{margin:0}figure img{display:block;width:100%;height:auto;border-radius:8px}figcaption{margin-top:15px;text-align:center}footer{display:flex;flex-wrap:wrap;gap:18px 30px;border-top:1px solid var(--line);padding-block:24px;font-size:.9375rem}footer span{margin-right:auto}.legal{max-width:760px;padding-block:44px 64px}.legal h1{font-size:clamp(2.4rem,6vw,3.5rem)}.legal h2{font-size:1.25rem;margin-top:32px}.legal p{margin-block:16px}.legal .date{font-size:.9375rem} @media(max-width:760px){.wrap{width:calc(100% - 36px)}.hero{grid-template-columns:1fr;gap:34px;padding-block:36px 48px}.hero figure{max-width:360px;width:100%;justify-self:center}header{padding-block:22px;align-items:flex-start}.brand{font-size:1.15rem}.brand span{font-size:.875rem}footer{gap:14px 24px}footer span{width:100%}}

/* Estilos propios de la actividad gratuita, antes incluidos en muestra.html. */
.sample-page{background:#fff8ee}.sample{max-width:720px;padding-block:42px 72px}.sample h1{font-size:clamp(2.3rem,6vw,3.6rem)}.grid{border-collapse:separate;border-spacing:4px;margin:28px 0;max-width:100%;background:#e8ecd9;padding:10px;border-radius:12px}.grid td{width:min(2.4rem,9vw);height:min(2.4rem,9vw);text-align:center;background:#fff8ee;color:#2f4b40;border-radius:5px;font:700 clamp(1rem,4vw,1.25rem) Georgia,serif}.words{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0}.words li{background:#e8ecd9;color:#2f4b40;border-radius:20px;padding:4px 14px}details{margin:24px 0;padding:14px 18px;border:1px solid #9db39c;border-radius:8px}summary{cursor:pointer;font-weight:700}

.not-found{max-width:720px;min-height:55vh;padding-block:64px}.not-found h1{font-size:clamp(2.8rem,6vw,4rem)}