:root{--ink:#061d2f;--gold:#d6a35e;--paper:#f3e4c7;--text:#17202a;font-family:Georgia,'Times New Roman',serif;color:var(--text);background:var(--ink)}*{box-sizing:border-box}body{margin:0}a{color:inherit}button,input,textarea{font:inherit}button,a.button{cursor:pointer;min-height:46px;padding:12px 18px;border:1px solid #927045;border-radius:9px;background:var(--ink);color:var(--paper);display:inline-block;text-decoration:none}button:hover,a.button:hover{background:#16435e}:focus-visible{outline:3px solid #cb6523;outline-offset:4px}[hidden]{display:none!important}.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;z-index:30;background:white;padding:16px}header{position:sticky;top:0;z-index:10;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;background:#061d2ff5;color:var(--paper);padding:12px 24px;border-bottom:1px solid var(--gold)}.brand{text-decoration:none;color:var(--gold);font-size:1.3rem;align-self:center}nav{display:flex;gap:5px;overflow:auto}nav a{padding:12px;white-space:nowrap;text-decoration:none;min-height:46px}nav a:hover{color:var(--gold)}main{max-width:1280px;margin:auto;padding:24px}h1,h2,h3{line-height:1.18}h1{font-size:clamp(2.1rem,5vw,4.5rem);font-weight:500;margin:10px 0 22px}h2{font-size:1.6rem;margin-top:32px}p,li{line-height:1.75}img{max-width:100%;display:block}.hero{position:relative;min-height:480px;display:flex;align-items:center;border:1px solid var(--gold);border-radius:16px;overflow:hidden;background:#bdac8d}.hero img{position:absolute;width:100%;height:100%;object-fit:cover}.hero-copy{position:relative;width:55%;padding:45px;background:linear-gradient(90deg,#f3e4c7e8,#f3e4c799,transparent)}.hero-copy h1{font-size:clamp(2.8rem,6vw,5.5rem)}.eyebrow{text-transform:uppercase;font:700 .8rem system-ui;letter-spacing:.18em;color:#71552f}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0}.card{display:block;padding:24px;background:var(--paper);border:1px solid var(--gold);border-radius:12px;text-decoration:none}.card .number{font-size:2rem;color:#8a5825}.card h2{margin:10px 0}.card:hover{background:#fff6df}.home-note,.panel,.article{background:var(--paper);padding:clamp(20px,4vw,48px);border:1px solid var(--gold);border-radius:12px}.home-note{margin-top:24px}.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px}.article{font-size:1.17rem}.subtitle{font-size:1.2rem;color:#665238}.tabs{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0}.tabs button[aria-pressed=true]{background:#8b4b26}.sidebar{align-self:start;position:sticky;top:110px;color:var(--paper)}.sidebar .panel{padding:18px;color:var(--text);margin-bottom:18px}.map-button{padding:0;background:transparent;border:0;width:100%}.map-button:hover{background:transparent}.map-button img{border-radius:8px}.lesson-nav{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin:25px 0}.essential{background:#fff5dd;padding:18px;border-left:4px solid #947041}.glossary dt{font-weight:bold}.glossary dd{margin-bottom:12px;line-height:1.6}textarea{width:100%;min-height:170px;padding:14px;line-height:1.5;background:#fffaf0;border:1px solid #8a704e;border-radius:8px}fieldset{border:1px solid #af956b;border-radius:10px;padding:18px;margin:20px 0}legend{font-weight:bold;padding:0 8px}label.option{display:flex;gap:12px;align-items:flex-start;padding:12px;margin:8px 0;background:#fff6df;border-radius:8px;cursor:pointer}input[type=radio]{min-width:22px;height:22px}.result{background:#fff5dd;border-left:5px solid #8b4b26;padding:20px;margin-top:20px}.feedback{padding:12px;background:#fff6df}.history{font-size:.9rem}.status{font: .85rem system-ui;color:#4c4234}progress{width:100%;accent-color:#947041}footer{max-width:1280px;margin:20px auto;padding:24px;color:var(--paper);display:flex;gap:16px;flex-wrap:wrap;align-items:center}dialog{width:min(1250px,98vw);max-height:95vh;padding:16px;background:var(--paper);border:1px solid var(--gold);border-radius:12px}dialog img{width:100%;margin-top:15px}dialog::backdrop{background:#000c}.sources a{overflow-wrap:anywhere}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:1rem}td,th{border:1px solid #aa9068;padding:12px;text-align:left}blockquote{border-left:3px solid #9c7441;padding-left:18px;margin-left:0}.map-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.map-grid .panel{padding:20px}.saved{color:#335934}.quiz-note{font-size:.95rem}.recover-question{padding:10px;border:1px solid #a9916f;border-radius:6px} @media(max-width:900px){.lesson-layout{grid-template-columns:1fr}.sidebar{position:static}.hero-copy{width:65%;padding:25px}.cards{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){header{padding:10px 12px}main{padding:12px}.hero{min-height:450px;align-items:flex-end}.hero-copy{width:100%;padding:22px;background:linear-gradient(transparent,#f3e4c7e8 25%)}.hero img{object-position:65% center}.cards,.map-grid{grid-template-columns:1fr}.article{font-size:1.09rem}.tabs button{flex:1}.card{padding:20px}}@media(prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}@media print{header,footer,.tabs,.sidebar,.lesson-nav,button,.quiz-form{display:none!important}body{background:white}main{padding:0;max-width:none}.article,.panel{border:0;padding:0;background:white}.lesson-layout{display:block}h1{font-size:30pt}p,li{line-height:1.4}.hero{min-height:300px}a{text-decoration:none}}