/* Extensiones editoriales, juegos y comunidad. */
/* Los campos visibles de newsletter comparten tamaño sin alterar las casillas. */
#newsletter-form > fieldset > label[for]{display:block;font-weight:600}
#newsletter-form > fieldset > input:is([type=text],[type=email]){display:block;width:100%;min-width:0;min-height:3.5rem;font:inherit;padding:14px;border:1px solid #87908d;border-radius:5px;margin:10px 0 20px}
[hidden]{display:none!important}input,button{font:inherit}button{cursor:pointer}button:disabled{cursor:default;opacity:.6}input:focus-visible,legend:focus-visible{outline:3px solid var(--blue);outline-offset:4px}input[type=email]{width:100%;font:inherit;padding:14px;border:1px solid #87908d;border-radius:5px;margin:10px 0 20px}input[type=checkbox],input[type=radio]{accent-color:var(--blue);width:20px;height:20px;flex-shrink:0}input[type=range]{width:100%;accent-color:var(--blue);min-height:44px}.small-note,.muted{font-size:.875rem;color:var(--muted)}.intro{font-size:1.2rem;max-width:720px;color:var(--muted)}.index-page>h1{font-size:clamp(2.7rem,5.7vw,4.6rem)}.index-page>.intro{margin-bottom:44px}.article-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.article-card{padding:28px;border-top:3px solid var(--blue);background:#f3f6ff;display:flex;flex-direction:column;min-width:0}.article-card:nth-child(2){background:#f0f6e6;border-color:#527032}.article-card:nth-child(3){background:#fff0e5;border-color:#a45623}.article-kicker{display:flex;justify-content:space-between;font-size:.875rem;color:#485f73;margin-bottom:30px}.article-card h3{font-size:1.65rem;line-height:1.25;letter-spacing:-.025em}.article-card h3 a:hover{text-decoration:underline;text-underline-offset:4px}.article-card p{line-height:1.7;color:#48535b}.article-meta{font-size:.875rem;margin-top:auto;padding-top:20px}.play-banner{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;border-block:1px solid var(--line)}.play-banner h2{margin-bottom:22px}.play-banner p{max-width:480px}.challenge-preview{display:block;background:var(--blue);padding:38px;color:#fff;border-radius:6px}.challenge-preview strong{display:block;font-size:2rem;line-height:1.3;letter-spacing:-.035em;margin-bottom:35px}.challenge-preview>span:last-child{font-size:.875rem;color:var(--lime)}.book-index-link{color:var(--ink);background:var(--lime);margin-top:22px}.book-detail{display:grid;grid-template-columns:280px 1fr;gap:55px;padding-block:40px;border-top:1px solid var(--line);align-items:center}.book-detail .book-cover{padding:28px;margin:0;border-radius:6px;background:#eef4fc}.book-detail .tech-book{background:var(--lime)}.book-detail .animals-book{background:#f9b88f}.book-detail h2{font-size:2.2rem;margin-bottom:20px}.book-collection{font-size:.875rem;color:var(--muted)}.editorial-note{padding:18px;border-left:3px solid #a1aaa4;background:#f5f7f6;margin-bottom:24px;font-size:.875rem}.editorial-note p{margin:5px 0 0}.games-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:28px}.games-heading h1{font-size:clamp(2.6rem,5vw,4.6rem);margin-bottom:0}.games-heading>p{color:var(--muted);margin:0}.quiz-panel{background:#f3f6ff;padding:36px;max-width:1000px;border:1px solid #d4defa;border-radius:6px}.quiz-top{display:flex;justify-content:space-between;gap:20px;font-size:.875rem;color:#3551a0}.quiz-panel progress{width:100%;height:7px;accent-color:var(--blue);margin:20px 0 25px}.quiz-panel fieldset{border:0;padding:0;margin:0 0 24px;min-width:0}.quiz-panel legend{font-size:1.65rem;font-weight:600;line-height:1.4;margin-bottom:22px}.quiz-options{display:grid;gap:12px}.quiz-option{display:flex;gap:12px;align-items:center;padding:15px;background:white;border:1px solid #aebcdd;border-radius:4px;cursor:pointer}.quiz-option:has(input:focus-visible){outline:3px solid var(--blue);outline-offset:3px}.quiz-option:has(input:checked){border-color:var(--blue);background:#e5ecff}.quiz-option.answer-correct{background:#e6f4cf;border-color:#527032}.quiz-option.answer-wrong{background:#fff0e9;border-color:#a74f29}.quiz-feedback:empty{display:none}.quiz-feedback{margin:22px 0;padding:20px;background:#fff;border-left:3px solid var(--blue)}.quiz-feedback strong{font-size:1.2rem}.quiz-feedback p{margin:10px 0}.quiz-finish h2{font-size:3rem;margin-bottom:24px}.quiz-finish .text-link{margin:20px;display:inline-block}.lab-panel{display:grid;grid-template-columns:1.3fr 1fr;gap:55px;margin-top:60px;border-top:1px solid var(--line);padding-top:50px}.lab-panel h2{margin-bottom:22px}.lab-panel label{display:block;font-weight:600;margin-top:25px}.lab-result{padding:30px;background:var(--lime);display:flex;flex-direction:column;justify-content:center;border-radius:6px}.lab-result output{font-size:5rem;font-weight:650;line-height:1.2;display:block;margin:20px 0}.lab-result meter{width:100%;height:25px;margin-bottom:20px}.lab-result p{font-size:.875rem}.community-page{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:start}.community-copy h1{font-size:clamp(2.6rem,4.7vw,4rem)}.signup-panel{background:#f3f6ff;border:1px solid #d4defa;padding:32px;border-radius:6px}.signup-panel h2{margin-bottom:25px}.signup-panel>form>label:first-child{font-weight:600}.consent{display:flex;gap:12px;align-items:flex-start;font-size:.9375rem;margin:14px 0}.consent a{text-decoration:underline;text-underline-offset:3px}.consent input{margin:3px 0 0}.signup-panel [role=status]{margin:18px 0 0}.form-trap{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}.footer-links{display:flex;gap:15px;flex-wrap:wrap;font-size:.875rem}.footer-links a{text-decoration:underline;text-underline-offset:4px}.main-nav{gap:24px}.book-top,.eyebrow,.section-label,.book-cover figcaption,.books-note,.social-card small,.hero-note{font-size:.875rem}.hero h1{font-size:clamp(3.5rem,5.5vw,5rem)}
@media(max-width:1000px){.header-cta{display:none}.article-card{padding:22px}.article-card h3{font-size:1.4rem}.play-banner,.community-page{gap:35px}.book-detail{gap:32px;grid-template-columns:240px 1fr}.challenge-preview{padding:28px}.challenge-preview strong{font-size:1.7rem}.community-page{grid-template-columns:1fr}.community-copy{max-width:700px}.signup-panel{max-width:700px}.games-heading{display:block}.games-heading>p{margin-top:20px}.main-nav{gap:18px}}
@media(max-width:700px){.article-grid{grid-template-columns:1fr}.play-banner,.lab-panel,.book-detail{grid-template-columns:1fr;gap:28px}.book-detail .book-cover{max-width:350px;width:100%;justify-self:center}.games-heading h1{font-size:2.9rem}.quiz-panel{padding:22px}.quiz-panel legend{font-size:1.3rem}.quiz-option{padding:14px 12px}.challenge-preview strong{font-size:1.7rem}.signup-panel{padding:23px}.lab-panel{margin-top:40px;padding-top:35px}.index-page>h1{font-size:2.8rem}.footer-links{grid-column:1/-1}.book-top{font-size:.875rem}.hero h1{font-size:3.5rem}}
@media(min-width:601px) and (max-width:700px){.header-inner{height:auto;min-height:100px;padding-block:12px}.main-nav{gap:12px}.main-nav>a{font-size:.875rem}}
.cosmos-game-card{display:flex;justify-content:space-between;gap:24px;align-items:center;background:#101e32;color:#f3f6ff;padding:36px;border:1px solid #314157;border-radius:8px;max-width:1000px;margin-bottom:24px}.cosmos-game-card h2{font-size:clamp(2rem,4vw,3rem);line-height:1.12;margin-bottom:18px}.cosmos-game-card h2 em{font-family:var(--serif);font-weight:400}.cosmos-game-card .eyebrow{color:#e2fc77}.cosmos-game-card p{max-width:540px;line-height:1.7}.cosmos-game-card .cosmos-card-meta{font-size:.875rem;color:#bdcce0}.cosmos-game-card .button{background:#e2fc77;color:#172022;margin-top:10px}.cosmos-card-number{font-family:var(--serif);font-size:11rem;color:#e2fc77;line-height:1;padding-right:25px}.cosmos-game-card a:focus-visible{outline:3px solid white;outline-offset:5px}@media(max-width:600px){.cosmos-game-card{padding:26px 22px}.cosmos-card-number{display:none}.cosmos-game-card .button{width:100%;text-align:center}}