/* Bounded public tools, sharing the site's ivory / ink / burgundy palette. */
.edu-section{--edu-ink:#201e23;--edu-burgundy:#6f233b;--edu-paper:#fffefa;--edu-line:#ded9d1;background:#f5f1e9;color:var(--edu-ink);border-top:1px solid var(--edu-line)}
.edu-section .wrap{min-width:0}
.edu-section h2{max-width:22ch;margin:0 0 16px;font-size:clamp(2rem,4vw,3.25rem);line-height:1.12;letter-spacing:-.035em}
.edu-intro{max-width:66ch;font-size:1.1rem;line-height:1.65}
.edu-meta{color:#615b59;font-size:.875rem;line-height:1.65;overflow-wrap:anywhere}
.edu-progress{padding-block:16px;border-block:1px solid var(--edu-line);margin:24px 0;font-weight:600}
.edu-lesson-grid,.edu-people-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.edu-lesson-card,.edu-org-card{min-width:0;padding:24px;border:1px solid var(--edu-line);border-radius:14px;background:var(--edu-paper);display:flex;flex-direction:column;align-items:flex-start}
.edu-lesson-card h3,.edu-org-card h3{margin:12px 0 18px;font-size:1.2rem;line-height:1.4;overflow-wrap:anywhere}
.edu-number{font-size:.75rem;font-weight:700;letter-spacing:.08em;color:var(--edu-burgundy)}
.edu-lesson-card .button{margin-top:auto}
.edu-section .button{min-height:44px;white-space:normal;text-align:center;overflow-wrap:anywhere;max-width:100%}
.edu-section .button.primary{background:var(--edu-burgundy);border-color:var(--edu-burgundy);color:white}
.edu-section button:disabled{cursor:default;opacity:.58}
.edu-section :focus-visible{outline:3px solid var(--edu-burgundy);outline-offset:4px}
.edu-exercise,.edu-contact{margin-top:24px;padding:clamp(20px,4vw,40px);border:1px solid var(--edu-line);border-radius:16px;background:white;max-width:860px;scroll-margin-top:100px}
.edu-exercise[hidden],.edu-contact[hidden],.edu-note-output[hidden]{display:none}
.edu-exercise h3,.edu-contact h3{font-size:1.65rem;line-height:1.3;margin:0 0 12px}
.edu-exercise h4{font-size:1.2rem}
.edu-exercise>.button{margin-block-start:16px;margin-inline-end:10px}
.edu-answers{border:0;padding:0;margin:24px 0;min-width:0;display:flex;gap:12px;flex-wrap:wrap}
.edu-answers legend{padding:0;margin-bottom:18px;font-size:1.13rem;line-height:1.65;max-width:65ch}
.edu-answer{display:flex;align-items:center;gap:10px;min-height:48px;border:1px solid var(--edu-line);border-radius:8px;padding:10px 20px;cursor:pointer;background:var(--edu-paper)}
.edu-answer input{margin:0;inline-size:20px;block-size:20px;accent-color:var(--edu-burgundy)}
.edu-answer:has(input:checked){border-color:var(--edu-burgundy);box-shadow:inset 0 0 0 1px var(--edu-burgundy)}
.edu-feedback{border-inline-start:3px solid var(--edu-burgundy);background:#f9f4f2;padding:18px 20px;margin-top:24px;line-height:1.6}
.edu-feedback.is-correct{border-color:#36664d;background:#f0f6f0}
.edu-feedback p{margin-bottom:0}
.edu-complete{color:#36664d}
.edu-filters{display:grid;grid-template-columns:2fr 1fr;gap:16px;margin-top:24px}
.edu-section label{font-size:.9rem;font-weight:600;line-height:1.5}
.edu-filters input,.edu-filters select,.edu-note-form input,.edu-note-form textarea,.edu-note-output textarea{display:block;width:100%;min-width:0;box-sizing:border-box;background:white;color:var(--edu-ink);border:1px solid #b9afa9;border-radius:8px;padding:12px;font:inherit;font-weight:400;margin-top:8px;min-height:48px}
.edu-note-form textarea,.edu-note-output textarea{resize:vertical;line-height:1.65}
.edu-org-topic{text-transform:uppercase;letter-spacing:.06em;color:var(--edu-burgundy);font-size:.68rem;font-weight:700;margin:0}
.edu-org-card>p{overflow-wrap:anywhere}
.edu-org-card h3+p{font-size:.92rem;margin-top:0}
.edu-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:auto;padding-top:12px}
.edu-org-card .button{font-size:.8rem;padding-inline:14px}
.edu-empty{grid-column:1/-1;border:1px dashed var(--edu-line);border-radius:12px;padding:24px}
.edu-note-form{display:grid;grid-template-columns:1fr;gap:16px;margin-top:24px}
.edu-note-form>.button{justify-self:start}
.edu-note-output{margin-top:24px;padding-top:20px;border-top:1px solid var(--edu-line)}
.edu-note-output textarea{background:#faf8f3;font-size:.95rem;margin-bottom:16px}
@media(max-width:1000px){.edu-lesson-grid,.edu-people-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.edu-lesson-grid,.edu-people-grid,.edu-filters{grid-template-columns:minmax(0,1fr)}.edu-lesson-card,.edu-org-card{padding:20px}.edu-exercise,.edu-contact{padding:20px}.edu-actions{align-items:stretch;flex-direction:column;width:100%}.edu-actions .button{width:100%}.edu-answers{gap:10px}.edu-answer{flex:1;justify-content:center}.edu-intro{font-size:1rem}}
@media(prefers-reduced-motion:reduce){.edu-section *{scroll-behavior:auto!important}}