:root{--paper:#f6f0e4;--ink:#191816;--muted:#665f55;--line:#c9bda9;--accent:#6c2b2b;--deep:#1e3542;--gold:#8a6b2c;--card:#fffaf1;--focus:#005fcc}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Georgia,'Times New Roman',serif;line-height:1.62}.reading-progress{position:fixed;z-index:20;top:0;left:0;right:0;height:4px;background:var(--accent);transform-origin:left}
a{color:inherit}.shell{width:min(1180px,calc(100% - 36px));margin:auto}.topbar{border-bottom:1px solid var(--line);background:rgba(246,240,228,.96);position:sticky;top:0;z-index:10;backdrop-filter:blur(8px)}.topbar .shell{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:13px 0}.brand{font:700 12px/1.1 Arial,sans-serif;letter-spacing:.14em;text-transform:uppercase;text-decoration:none}.nav{display:flex;gap:12px;flex-wrap:wrap;font:700 11px Arial,sans-serif}.nav a{text-decoration:none;border-bottom:1px solid transparent}.nav a:hover{border-color:currentColor}
.hero{padding:72px 0 52px;border-bottom:1px solid var(--line);background:linear-gradient(135deg,#f8f2e8 0,#eadfcd 60%,#e0d0b6 100%)}.eyebrow{font:700 11px Arial,sans-serif;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}h1{font-size:clamp(42px,7vw,86px);line-height:.95;letter-spacing:-.035em;font-weight:400;max-width:980px;margin:.2em 0}.subtitle{font-size:clamp(18px,2vw,27px);max-width:900px;color:var(--deep)}.stats{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px}.stats span{border:1px solid var(--ink);padding:8px 12px;font:700 11px Arial,sans-serif;letter-spacing:.08em;text-transform:uppercase;background:#fff8}
.intro{padding:52px 0}.intro-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:34px}.intro h2,.explore h2{font-size:clamp(30px,4vw,52px);line-height:1.05;font-weight:400;margin:.1em 0}.method{border-left:4px solid var(--accent);padding:4px 0 4px 20px;color:var(--muted)}
.book-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:34px 0}.book-card,.section-card{background:var(--card);border:1px solid var(--line);padding:22px}.book-card span,.section-card p{font:700 10px Arial,sans-serif;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}.book-card h3,.section-card h3{font-size:26px;line-height:1.1;margin:.4em 0;font-weight:400}.book-card button,.section-card button{border:0;background:none;padding:0;margin-top:12px;color:var(--deep);font:700 12px Arial,sans-serif;cursor:pointer}.section-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.explore{padding:55px 0}.filters{display:grid;grid-template-columns:2fr 1fr 1.5fr auto;gap:10px;margin:24px 0 12px;position:sticky;top:52px;background:var(--paper);padding:12px 0;z-index:5}.filters input,.filters select,.filters button{width:100%;border:1px solid var(--ink);background:#fffaf2;color:var(--ink);padding:11px 12px;font:15px Arial,sans-serif}.filters button{cursor:pointer;font-weight:700}.lang-toggle{display:flex;gap:6px;margin:10px 0 24px}.lang-toggle button{border:1px solid var(--ink);background:transparent;padding:8px 12px;font:700 11px Arial,sans-serif;cursor:pointer}.lang-toggle button.active{background:var(--ink);color:var(--paper)}#status{font:700 11px Arial,sans-serif;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:0 0 22px}
.result-section{margin:45px 0 74px}.result-heading{display:grid;grid-template-columns:1fr auto;gap:4px 20px;align-items:end;border-top:3px solid var(--ink);border-bottom:1px solid var(--line);padding:16px 0 12px}.result-heading p{grid-column:1/-1;margin:0;font:700 10px Arial,sans-serif;letter-spacing:.12em;color:var(--accent)}.result-heading h2{font-size:clamp(26px,3vw,42px);margin:0}.result-heading span{font:700 10px Arial,sans-serif;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.chapter-card{background:var(--card);border-bottom:1px solid var(--line);padding:26px 22px}.chapter-card header{display:flex;justify-content:space-between;gap:14px;align-items:flex-start;margin-bottom:8px}.chapter-card header span{font:700 10px Arial,sans-serif;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}.chapter-card header small{font:700 9px Arial,sans-serif;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);text-align:right}.chapter-card h3{font-size:clamp(23px,2.4vw,34px);line-height:1.08;font-weight:400;margin:.25em 0}.chapter-card p{font-size:17px;margin:.55em 0;color:#28251f}.bilingual{display:grid;grid-template-columns:1fr 1fr;gap:26px}.bilingual section+section{border-left:1px solid var(--line);padding-left:26px}.chapter-card details{margin-top:15px;border-top:1px dashed var(--line);padding-top:10px}.chapter-card summary{cursor:pointer;font:700 11px Arial,sans-serif;letter-spacing:.06em;text-transform:uppercase;color:var(--deep)}.chapter-card details ol{columns:2;gap:30px;padding-left:22px;color:var(--muted);font-size:14px}.footer{border-top:1px solid var(--line);padding:36px 0 70px;color:var(--muted);font-size:14px}.empty{padding:40px;border:1px solid var(--line);background:var(--card)}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
@media(max-width:900px){.intro-grid,.bilingual{grid-template-columns:1fr}.bilingual section+section{border-left:0;border-top:1px solid var(--line);padding:18px 0 0}.section-grid{grid-template-columns:repeat(2,1fr)}.filters{grid-template-columns:1fr 1fr;top:48px}}
@media(max-width:620px){.shell{width:min(100% - 24px,1180px)}.hero{padding:48px 0 36px}.book-grid,.section-grid{grid-template-columns:1fr}.filters{grid-template-columns:1fr;position:static}.topbar .shell{align-items:flex-start}.chapter-card{padding:22px 14px}.chapter-card header{display:block}.chapter-card header small{display:block;text-align:left;margin-top:5px}.chapter-card details ol{columns:1}.result-heading{grid-template-columns:1fr}.result-heading span{margin-top:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{.topbar,.filters,.lang-toggle,.book-grid,.section-grid,.reading-progress{display:none!important}.hero{padding:20px 0;background:none}.shell{width:100%}.chapter-card{break-inside:avoid;background:white}.result-section{margin:20px 0}.bilingual{grid-template-columns:1fr 1fr}}