:root{--paper:#f4f2e9;--ink:#242b24;--subtle:#62685e;--line:#dcded1;--card:#fffef9;--head:#f4f2e9;--headline:#43553c;--olive:#43553c}
html{scroll-padding-top:110px}body{background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.7}
a{color:#405a37;text-underline-offset:4px}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #b77d35;outline-offset:4px}
.container{width:min(1220px,calc(100% - 64px))}
.site-header{background:rgba(250,249,243,.98);border-bottom:1px solid var(--line);backdrop-filter:blur(12px);box-shadow:none}
.header-inner{min-height:86px;padding:12px 0;gap:28px;align-items:center}
.brand{gap:13px;flex-shrink:0;color:var(--ink);min-width:225px}
.brand img{width:51px;height:51px;object-fit:contain;background:transparent;box-shadow:none;border-radius:0}
.brand strong{font-size:18px;letter-spacing:.02em}.brand span{font-size:10px;letter-spacing:.15em;text-transform:uppercase;color:var(--subtle);margin-top:7px}
.main-nav{gap:5px;align-items:center;flex-wrap:nowrap}
.main-nav>a,.main-nav summary{font-size:13px;color:var(--ink);padding:8px 11px;border-radius:5px;font-weight:600;border:0;white-space:nowrap}
.main-nav>a:hover,.main-nav>a[aria-current=page],.main-nav summary:hover{background:#e5e9dd;color:#33482e;border-color:transparent}
.main-nav details{position:relative}.main-nav summary{cursor:pointer}
.nav-dropdown{position:absolute;right:0;top:44px;width:260px;display:grid;background:#fffef9;padding:10px;box-shadow:0 18px 42px #24302020;border:1px solid var(--line);border-radius:10px;z-index:80}
.nav-dropdown a{display:block;padding:9px 12px;border-radius:5px;text-decoration:none;font-size:13px}.nav-dropdown a:hover{background:#edf0e7}
.menu-toggle{background:#e7ebdf;color:var(--ink);border:1px solid var(--line);border-radius:5px;padding:10px 14px;font:600 13px Arial}
.hero{border:0;border-radius:0;background:#e9ecdf;padding:55px 0;margin:0;color:var(--ink);box-shadow:none}
.hero h1,h1,h2,h3{font-family:Georgia,'Times New Roman',serif;letter-spacing:-.025em;color:var(--ink);border:0}
.hero h1{font-size:clamp(34px,4vw,54px);line-height:1.12;margin:12px 0 20px}.hero .lead{color:#5b6454;font-size:17px;max-width:650px}
.eyebrow{font-family:Arial,sans-serif;font-weight:700;font-size:10px;letter-spacing:.17em;text-transform:uppercase;color:#62744f}
.hero-badges{display:none}.hero-grid{display:block}.page-content{padding:42px 0 70px}
.card,.panel,.book-card,.model-card{border:1px solid var(--line);background:var(--card);border-radius:10px;box-shadow:0 3px 12px #293a2405}
.card.prose{padding:28px 32px}.card h2{margin-top:0;border:0}.card p,.prose p{line-height:1.85}
.button,.button-link,button[type=submit]{display:inline-flex;justify-content:center;align-items:center;gap:8px;border:1px solid var(--olive);background:var(--olive);color:white;padding:11px 19px;border-radius:5px;font:600 13px Arial,sans-serif;text-decoration:none;cursor:pointer}
.button:hover,.button-link:hover{background:#30472c;color:#fff}.button.secondary{background:transparent;color:var(--olive)}
.site-footer{border-top:1px solid var(--line);background:#e9e9dd;color:var(--subtle);padding:42px 0;font-size:13px}.site-footer a{color:var(--ink)}
.footer-grid{grid-template-columns:2fr 1fr 1fr;gap:50px}.site-footer strong{color:var(--ink);display:block;font-size:14px}.footer-note{font-size:11px;margin-top:25px}
.home-hero{padding:52px 0 40px;background:var(--paper)}
.home-hero .home-hero-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:62px;align-items:center}
.home-hero h1{font-size:clamp(45px,5.1vw,72px);line-height:1.05;max-width:540px;font-weight:normal;margin:23px 0}
.home-hero h1 em{color:var(--olive);font-weight:normal}.home-hero .lead{font-size:16px;line-height:1.9;max-width:475px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:27px}.home-hero figure{margin:0}
.home-hero figure img{display:block;width:100%;aspect-ratio:1.06;object-fit:cover;object-position:center;border-radius:9px}
.home-hero figcaption{font-size:10px;letter-spacing:.12em;text-transform:uppercase;margin-top:10px;color:#67705f}
.hero-fact{border-top:1px solid var(--line);margin-top:33px;padding-top:20px;display:flex;gap:32px}
.hero-fact strong{display:block;font-family:Georgia,serif;font-size:21px;font-weight:normal}.hero-fact span{font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:var(--subtle)}
.section-heading{display:flex;justify-content:space-between;align-items:end;gap:22px;margin:30px 0 22px}
.section-heading h2{font-size:32px;font-weight:normal;margin:6px 0 0}.section-heading>a{font-size:12px;white-space:nowrap}
.explore-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:60px}
.explore-card{display:flex;flex-direction:column;position:relative;min-height:222px;padding:28px;background:#fffef9;border:1px solid var(--line);border-radius:9px;text-decoration:none;transition:transform .18s,border-color .18s}
.explore-card:hover{transform:translateY(-4px);border-color:#8c9a7c}
.explore-card .index{font:12px 'Courier New',monospace;letter-spacing:.1em;color:#7c886d}
.explore-card h3{font-size:25px;font-weight:normal;margin:19px 0 9px}.explore-card p{font-size:13px;line-height:1.8;color:var(--subtle);margin:0}
.explore-card .arrow{position:absolute;right:25px;top:20px;font-size:25px;color:#7f8d71}
.story-band{display:grid;grid-template-columns:1fr 1fr;gap:58px;padding:43px 0;border-top:1px solid var(--line)}
.story-band h2{font-size:36px;font-weight:normal;line-height:1.2}.story-band p{font-size:14px;color:var(--subtle);line-height:1.9}
.filter-bar{display:flex;align-items:end;gap:16px;padding:23px;background:#fffef9;border:1px solid var(--line);border-radius:8px;margin:0 0 27px}
.filter-field{display:grid;gap:6px;flex:1}.filter-field label{font-size:11px;font-weight:700;color:var(--subtle)}
.filter-bar input,.filter-bar select{width:100%;font:14px Arial;padding:12px 13px;border:1px solid #cfd5c5;border-radius:5px;background:#fff}
.result-count{font-size:12px;color:var(--subtle);white-space:nowrap;padding-bottom:12px}
.books-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}.book-card{overflow:hidden;text-decoration:none;color:var(--ink);transition:transform .18s}.book-card:hover{transform:translateY(-3px)}
.book-card>img{width:100%;height:280px;object-fit:contain;background:#e9e8df;padding:15px;border-bottom:1px solid var(--line)}
.book-card .pad{padding:19px}.book-card .pad strong{font-size:14px;line-height:1.6}.book-card .pad p{font-size:11px;line-height:1.7;color:var(--subtle)}
.book-category{font-size:9px;letter-spacing:.1em;text-transform:uppercase;display:block;color:#647653;margin-bottom:8px}
.book-cover-placeholder{height:280px;min-height:280px;box-sizing:border-box;background:linear-gradient(105deg,#d6dacb 0 6%,#e6e9dc 6% 100%);padding:32px 24px;display:flex;flex-direction:column;justify-content:space-between;border-bottom:1px solid var(--line)}
.book-cover-placeholder span{font-size:10px;letter-spacing:.15em;color:#60724e}.book-cover-placeholder strong{font-family:Georgia,serif;font-size:21px;line-height:1.3;font-weight:normal}
.diagram-grid{gap:22px}.diagram-card img{background:#fff;height:230px;object-fit:contain;border-radius:0}.diagram-card h2{font-size:23px}.diagram-card p{font-size:12px;color:var(--subtle)}
.diagram-source{font-size:12px;padding:13px 17px;border-left:3px solid #81916c;background:#edf0e5}.diagram-sheet{width:100%;height:auto;background:#fff}
.legacy-content{background:#fffef9;border:1px solid var(--line);padding:30px;border-radius:9px;overflow:auto;margin-top:35px;margin-bottom:35px}
.legacy-content table{max-width:100%!important}.legacy-content>table{width:100%!important}.legacy-content font{font-family:inherit!important}
.hidden,[hidden]{display:none!important}
@media(min-width:1001px){.menu-toggle{display:none}}
@media(max-width:1100px){.header-inner{gap:14px}.brand{min-width:200px}.main-nav>a,.main-nav summary{padding:8px 7px;font-size:12px}}
@media(max-width:1000px){.container{width:calc(100% - 40px)}.header-inner{flex-wrap:wrap;justify-content:space-between}.menu-toggle{display:block}.main-nav{display:none;width:100%;align-items:stretch;flex-direction:column;gap:3px}.main-nav.is-open{display:flex}.main-nav>a,.main-nav summary{padding:12px;font-size:14px}.nav-dropdown{position:static;width:100%;box-shadow:none;margin-bottom:10px}.home-hero .home-hero-grid{gap:30px}.books-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:700px){.container{width:calc(100% - 32px)}.header-inner{min-height:75px}.brand{min-width:0}.brand strong{font-size:16px}.brand span{font-size:9px}.hero{padding:34px 0}.home-hero{padding:30px 0}.home-hero .home-hero-grid{grid-template-columns:1fr;gap:30px}.home-hero h1{font-size:47px}.home-hero figure img{aspect-ratio:1.3}.hero-fact{gap:25px}.explore-grid{grid-template-columns:1fr}.explore-card{min-height:190px}.story-band{grid-template-columns:1fr;gap:15px}.footer-grid{grid-template-columns:1fr;gap:22px}.books-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.book-card>img{height:215px;padding:10px}.book-cover-placeholder{height:215px;min-height:215px;padding:22px 17px}.book-cover-placeholder strong{font-size:17px}.book-card .pad{padding:13px}.book-card .pad strong{font-size:12px}.filter-bar{flex-wrap:wrap;padding:16px}.filter-field:first-child{flex-basis:100%}.result-count{padding-bottom:12px}.card.prose{padding:22px}.section-heading h2{font-size:28px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}
@media print{.site-header,.site-footer,.filter-bar,.hero-actions{display:none}body{background:white}.container{width:100%}.card{box-shadow:none}}
.photo-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.photo-tile{display:block;background:#e5e8dc;border-radius:7px;overflow:hidden}.photo-tile img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .2s}.photo-tile:hover img{transform:scale(1.04)}.album-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:23px}.album-card{text-decoration:none;overflow:hidden}.album-card>img{display:block;width:100%;height:235px;object-fit:cover}.album-card .pad,.diagram-card .pad{padding:22px}.album-card h2{font-size:24px;font-weight:normal}.album-card .eyebrow{margin:0 0 10px}@media(max-width:850px){.photo-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.album-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.photo-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.album-grid{grid-template-columns:1fr}}
.header-inner{flex-direction:row}
@media(max-width:700px){.header-inner{align-items:center}.hero-fact{gap:15px}.hero-fact>div{flex:1;min-width:0}.hero-fact strong{font-size:18px;white-space:nowrap}.hero-fact span{font-size:8.5px;letter-spacing:.07em}}

/* All original destinations remain visible on desktop. */
@media(min-width:1001px){.main-nav{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:2px 5px;flex:1}.main-nav>a{font-size:12px;padding:7px 9px}.header-inner{padding-top:14px;padding-bottom:14px;align-items:center}.brand{flex-shrink:0}}

.diagram-jump{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0}.diagram-jump a{padding:9px 13px;border:1px solid var(--line);border-radius:5px;background:#fffef9;font-size:13px;text-decoration:none}.diagram-jump a:hover{background:#e5e9db}.diagram-sheet{display:block}section[id^="ord9-"]{scroll-margin-top:140px}

/* Centered heritage navigation */
.site-header{box-shadow:0 3px 18px rgba(36,43,36,.035)}
.main-nav>a{position:relative;text-decoration:none;transition:background .18s,color .18s}
.main-nav>a[aria-current=page]{background:#43553c;color:#fff;box-shadow:0 2px 5px #293a2412}
@media(min-width:1001px){
 .header-inner{flex-direction:column;justify-content:center;gap:12px;padding:15px 0 12px}
 .brand{min-width:0;justify-content:center;gap:11px}
 .brand img{width:44px;height:44px}
 .brand strong{font-family:Georgia,'Times New Roman',serif;font-size:21px;letter-spacing:.025em;line-height:1.15}
 .brand span{font-size:9px;letter-spacing:.19em;margin-top:5px}
 .main-nav{display:flex;flex:initial;width:100%;max-width:1090px;justify-content:center;flex-wrap:wrap;gap:4px 7px;padding-top:10px;border-top:1px solid #dcded1}
 .main-nav::before{content:"";flex-basis:100%;height:0;order:1}
 .main-nav>a:nth-child(n+9){order:2}
 .main-nav>a{padding:7px 13px;font-size:12px;line-height:1.5;border-radius:6px}
 html{scroll-padding-top:170px}
 section[id^="ord9-"]{scroll-margin-top:175px}
}
@media(max-width:1000px){
 .header-inner{gap:12px}
 .menu-toggle{border-radius:7px;padding:10px 16px}
 .main-nav.is-open{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px;padding:13px 0 5px;border-top:1px solid var(--line);max-height:calc(100dvh - 100px);overflow-y:auto}
 .main-nav>a{white-space:normal;display:flex;align-items:center;min-height:44px;padding:10px 12px;border-radius:6px;font-size:13px}
 .main-nav>a:last-child{grid-column:1/-1;justify-content:center}
}
@media(prefers-reduced-motion:reduce){.main-nav>a{transition:none}}