:root{--paper:#f6f3eb;--ink:#173d37;--muted:#606d65;--gold:#bd8641;--line:#d9ddd1}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.6}a{color:inherit}button,input{font:inherit}button,a,input{touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #b47832;outline-offset:4px}.skip{position:absolute;top:-100px}.skip:focus{top:8px;background:white;z-index:10}header,main,footer{max-width:1240px;margin:auto}header{height:106px;display:flex;align-items:center;justify-content:space-between;padding:0 48px;border-bottom:1px solid var(--line)}.brand{text-decoration:none;letter-spacing:3px;font-size:19px;display:flex;align-items:center;gap:7px}.brand strong{font-weight:800}.brand-icon{font-size:38px;margin-right:7px;color:var(--gold)}.nav-link{font-size:13px;text-decoration:none}.nav-link span{margin-left:16px}.hero{padding:75px 48px 85px;display:grid;grid-template-columns:1.2fr 1fr;align-items:center;gap:60px;overflow:hidden}.eyebrow{font-size:11px;font-weight:700;letter-spacing:2.3px;color:#767b5f;margin:0 0 22px}h1,h2,h3{font-family:Georgia,'Times New Roman',serif;font-weight:400;line-height:1.08}h1{font-size:clamp(56px,6.4vw,82px);letter-spacing:-3px;margin:0 0 20px}h1 em{color:#a9793c;font-weight:400}.tagline{font-size:21px;margin:0 0 12px}.intro{color:var(--muted);max-width:430px;font-size:15px;margin-bottom:28px}.primary{display:inline-flex;gap:35px;align-items:center;background:var(--ink);color:white;text-decoration:none;padding:13px 21px;font-size:13px;border-radius:4px}.clock-art{position:relative;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,#e9e8d9 0%,#eeecdf 53%,transparent 71%);display:flex;align-items:center;justify-content:center}.orbit{position:absolute;border-radius:50%;border:1px solid #b5b798}.orbit-one{inset:5%;outline:1px solid #d4d2bb;outline-offset:13px;background:repeating-conic-gradient(from 0deg,transparent 0deg 29.5deg,#c2b897 29.5deg 30deg);mask-image:radial-gradient(circle,transparent 64%,black 65%)}.orbit-two{inset:18%;border-style:dashed;transform:rotate(20deg)}.dial-center{font-family:Georgia,serif;font-size:74px;text-align:center;line-height:1.2}.dial-center span{display:block;font-family:Arial,sans-serif;font-size:8px;letter-spacing:2px}.dial-top,.dial-bottom{position:absolute;font-size:9px;letter-spacing:3px;background:var(--paper);padding:5px 12px}.dial-top{top:7%}.dial-bottom{bottom:7%}.hand{position:absolute;width:1px;height:26%;background:var(--gold);top:17%;transform:rotate(40deg);transform-origin:center 125%;opacity:.65}.star{position:absolute;right:12%;bottom:24%;color:var(--gold);font-size:25px}.explorer{border-top:1px solid var(--line);padding:46px 48px 65px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:20px}.section-heading .eyebrow{margin-bottom:10px}h2{font-size:34px;margin:0 0 28px;letter-spacing:-.7px}.collection{font-size:9px;letter-spacing:1.4px;color:var(--muted);white-space:nowrap}.controls{display:flex;flex-wrap:wrap;gap:22px;padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.search{display:flex;align-items:center;gap:10px;background:white;border:1px solid var(--line);border-radius:5px;padding:8px 14px;flex:1;min-width:240px}.search span{font-size:25px}.search input{border:0;background:transparent;min-width:0;width:100%;font-size:13px;color:var(--ink);padding:4px}.search input:focus{outline-offset:6px}fieldset{border:0;padding:0;margin:0;display:flex;gap:6px;align-items:center;flex-wrap:wrap}fieldset button{border:1px solid transparent;border-radius:4px;background:transparent;color:var(--muted);padding:9px 12px;font-size:12px;cursor:pointer}fieldset button[aria-pressed=true]{background:var(--ink);color:white}.timeline-caption{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);align-items:center;margin:18px 0}.events{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:#fffefa;border:1px solid var(--line);border-top:3px solid #a4b29a;border-radius:5px;padding:23px;display:flex;flex-direction:column;min-height:275px;transition:transform .18s,box-shadow .18s}.card:hover{transform:translateY(-3px);box-shadow:0 8px 22px #173d370c}.card.anchor{border-top-color:var(--gold)}.card-top{display:flex;justify-content:space-between;gap:12px;font-size:10px;color:var(--muted);letter-spacing:.7px}.number{color:#a3a99c}.date{color:#8b693f;font-size:12px;margin:22px 0 7px}.card h3{font-size:26px;margin:0 0 12px}.card p.summary{font-size:13px;color:var(--muted);margin:0 0 20px}.card button{background:transparent;border:0;border-top:1px solid #e7e8de;padding:13px 0 0;text-align:left;color:var(--ink);font-size:12px;cursor:pointer;margin-top:auto;display:flex;justify-content:space-between}.about{padding:50px 48px;background:#e9ece2;border-radius:8px;margin:0 48px 50px}.about h2{font-size:32px}.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:35px}.about-grid p{font-size:13px;color:#526457;margin:0}.about-grid strong{display:block;color:var(--ink);margin-bottom:8px}footer{border-top:1px solid var(--line);padding:30px 48px;display:flex;align-items:center;gap:25px}footer .brand{font-size:13px}footer p,footer>span{font-size:11px;color:var(--muted)}footer>span{margin-left:auto}dialog{border:1px solid var(--line);border-radius:9px;background:var(--paper);color:var(--ink);max-width:640px;width:calc(100% - 32px);padding:42px;max-height:85vh;overflow:auto}dialog::backdrop{background:#102e2ad1}dialog h2{font-size:36px;margin:16px 0}dialog h3{font-family:Arial,sans-serif;font-weight:bold;font-size:13px;margin:28px 0 8px}dialog p,dialog li{font-size:14px}dialog a{overflow-wrap:anywhere}dialog .qualification{padding:16px;background:#e7eadd;border-left:3px solid var(--gold)}.close{position:absolute;right:12px;top:7px;font-size:30px;border:0;background:transparent;color:var(--ink);cursor:pointer}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}[hidden]{display:none!important}@media(max-width:1000px){.controls{display:block}fieldset{margin-top:15px}.collection{display:none}.hero{gap:20px}.events{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){header{height:80px;padding:0 22px}.brand{font-size:15px;letter-spacing:2px}.nav-link{font-size:11px}.hero{padding:44px 24px;grid-template-columns:1fr;gap:22px}.hero-copy{position:relative;z-index:1}h1{font-size:61px}.clock-art{width:240px;margin:0 auto}.dial-center{font-size:55px}.intro{font-size:14px}.explorer{padding:34px 22px}h2{font-size:29px}.events{grid-template-columns:1fr}.card{min-height:250px}.about{margin:0 22px 30px;padding:28px 24px}.about-grid{grid-template-columns:1fr;gap:22px}.timeline-caption{font-size:10px;gap:12px}fieldset button{padding:8px 9px}footer{padding:25px 22px;flex-wrap:wrap;gap:12px}footer>span{width:100%;margin:0}dialog{padding:34px 24px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.card{transition:none}}

.chart-intro{padding:42px 48px 22px;max-width:1000px}.chart-intro h1{font-size:clamp(38px,5vw,64px);letter-spacing:-1px}.chart-intro p{max-width:850px}.chart-section{padding:10px 24px 32px}.chart-section h2{margin:0 0 18px}.chart-shell{background:#192821;color:#fff;border-radius:6px;overflow:hidden}.chart-controls{display:flex;gap:8px;flex-wrap:wrap;padding:12px;align-items:center}.chart-controls button{min-height:44px;min-width:44px;background:#f6f3eb;border:1px solid #bbb;border-radius:4px;color:#173d37;padding:7px 12px;cursor:pointer}.chart-controls button:disabled{opacity:.4;cursor:wait}#zoom-value{font-size:12px}#chart-viewport{height:60vh;min-height:320px;position:relative;overflow:hidden;touch-action:none;cursor:grab;background:#26372f}#chart-viewport:active{cursor:grabbing}#chart-viewport:focus-visible{outline:3px solid #dca253;outline-offset:-3px}#chart-layer{position:absolute;transform-origin:0 0;pointer-events:none}#chart-layer img{position:absolute;max-width:none}#chart-status{margin:0;padding:10px 14px;font-size:13px;min-height:42px}.chart-credit,#chart-help{font-size:13px}.chart-shell:fullscreen{display:flex;flex-direction:column;border-radius:0}.chart-shell:fullscreen #chart-viewport{flex:1;height:auto}.chart-shell:fullscreen #chart-status{flex-shrink:0}@media(max-width:640px){.chart-intro{padding:30px 22px 16px}.chart-section{padding:10px 12px 26px}.chart-controls{gap:6px;padding:8px}.chart-controls button{font-size:12px;padding:6px 9px}#chart-viewport{height:58vh}}

.chart-search{padding:1rem;border:1px solid #b9a477;margin:1rem 0;border-radius:.4rem}.chart-search h3{margin-top:0}.chart-search input{display:block;width:100%;box-sizing:border-box;min-height:48px;font:inherit;padding:.7rem;margin-top:.4rem}.chart-search p{font-size:.95rem}.chart-search ol{max-height:22rem;overflow:auto;padding-left:2rem}.chart-search li{margin:.4rem 0}.chart-search button{font:inherit;min-height:44px;cursor:pointer}.chart-search li button{text-align:left;width:100%;padding:.7rem;overflow-wrap:anywhere;background:#fff9ed;color:#24211a;border:1px solid #a69371;border-radius:.25rem}.chart-search small{display:block;margin-top:.4rem}.chart-search :focus-visible{outline:3px solid #065cab;outline-offset:3px}#chart-match{position:absolute;pointer-events:none;border:4px solid #e92600;background:rgba(255,220,0,.25);box-sizing:border-box;z-index:5}

/* Dual-name archival wordmark; scoped to the masthead. */
.site-header{height:auto;min-height:124px;gap:28px;padding:24px 48px}
.site-wordmark{display:inline-flex;align-items:center;gap:18px;min-width:0;text-decoration:none}
.wordmark-dial{width:58px;height:58px;flex:none;color:var(--gold);stroke:currentColor;stroke-width:1.15}
.wordmark-dial .dial-hands{stroke:var(--ink);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.wordmark-type{display:flex;flex-direction:column;gap:10px}
.wordmark-primary{font-family:Georgia,'Times New Roman',serif;font-size:clamp(26px,3.2vw,40px);font-weight:400;line-height:1.08;letter-spacing:-.9px}
.wordmark-secondary{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:10px;line-height:1.2;font-weight:600;letter-spacing:3px;text-transform:uppercase}
.wordmark-secondary::before{content:"";width:24px;height:1px;background:var(--gold)}
.site-header .nav-link{flex:none;padding:10px 0}
@media(max-width:640px){.site-header{min-height:106px;padding:20px 22px;gap:16px}.site-wordmark{gap:12px}.wordmark-dial{width:42px;height:42px}.wordmark-primary{letter-spacing:-.6px}.wordmark-secondary{font-size:9px;letter-spacing:2.5px}.site-header .nav-link span{margin-left:4px}}
@media(max-width:420px){.site-header{flex-wrap:wrap;row-gap:10px}.site-header .nav-link{margin-left:54px;padding:0;font-size:11px}}

/* Primary chart text search sits immediately before the viewer. */
.chart-search{background:#fffefa;border:2px solid var(--gold);padding:20px;margin:0 0 18px}
.chart-search h3{font-size:28px;margin:0 0 16px}
.chart-search label{display:block;font-weight:700;font-size:17px;margin-bottom:8px}
.chart-search-fields{display:flex;gap:12px;align-items:stretch}
.chart-search-fields input{flex:1;min-width:0;margin:0;border:1px solid #7b887e;border-radius:4px;font-size:18px;color:var(--ink);background:white}
#chart-search-submit{flex:none;padding:12px 24px;border:1px solid var(--ink);border-radius:4px;background:var(--ink);color:white;font-size:17px;font-weight:700}
#chart-search-submit:disabled{opacity:.5;cursor:wait}
.chart-search p{margin:12px 0 0}
.chart-search ol:empty{display:none}
@media(max-width:640px){.chart-search{padding:16px}.chart-search h3{font-size:25px}.chart-search-fields{flex-direction:column;gap:10px}#chart-search-submit{width:100%;min-height:48px}}


/* Wide desktop chart workspace; mobile controls retain their existing layout. */
@media(min-width:900px){
 header,main,footer{max-width:none;width:100%}
 .site-header{min-height:94px;padding:18px 32px}
 .wordmark-primary{font-family:Arial,Helvetica,sans-serif;font-weight:750;font-size:32px;letter-spacing:-1.2px}
 .wordmark-dial{width:48px;height:48px}
 .wordmark-type{gap:6px}
 .chart-intro{max-width:none;padding:28px 32px 18px}
 .chart-intro h1{font-family:Arial,Helvetica,sans-serif;font-weight:750;font-size:42px;letter-spacing:-1.5px;margin-bottom:12px}
 .chart-intro .eyebrow{margin-bottom:10px}
 .chart-intro p{max-width:1100px;margin-top:8px;margin-bottom:8px}
 .chart-section{padding:12px 24px 40px}
 .chart-section>h2{font-family:Arial,Helvetica,sans-serif;font-weight:650;font-size:26px}
 .chart-search{border:1px solid var(--line);border-radius:14px;box-shadow:0 5px 22px #173d3708;padding:20px 24px}
 .chart-search h3{font-family:Arial,Helvetica,sans-serif;font-weight:650;font-size:22px;margin-bottom:12px}
 .chart-search-fields input{border-radius:8px}
 #chart-search-submit{border-radius:8px}
 .chart-shell{border-radius:14px;box-shadow:0 12px 36px #173d3718}
 .chart-controls{padding:14px 18px;gap:10px}
 .chart-controls button{border-radius:7px}
 #chart-viewport{height:76vh;min-height:520px;max-height:1100px}
 .explorer{padding:40px 32px}
 .events{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
 .about{margin:0 32px 40px;padding:32px}
 footer{padding:26px 32px}
}


/* Contemporary interface palette; archival image assets remain untouched. */
:root{--paper:#f7f8fc;--ink:#172039;--muted:#5e6780;--gold:#7355e8;--line:#dfe3ef}
body{background:var(--paper);font-family:Arial,Helvetica,sans-serif}
.site-header{background:#fff;border-bottom-color:var(--line)}
.wordmark-primary{font-family:Arial,Helvetica,sans-serif;font-weight:750;letter-spacing:-1px}
.wordmark-secondary{color:#68718b}
.wordmark-dial{color:#7355e8}
h1,h2,h3{font-family:Arial,Helvetica,sans-serif;font-weight:700}
.chart-intro .eyebrow,.eyebrow{color:#6850cc}
.chart-intro h1{color:#172039}
.chart-intro p{color:var(--muted)}
.chart-search{background:#fff;border:1px solid #dcd6fa;border-radius:14px;box-shadow:0 6px 24px #27345b08}
.chart-search h3,.chart-search label{color:var(--ink)}
.chart-search-fields input{border:1px solid #bcc4d8;border-radius:8px;color:var(--ink);background:#fafbff}
.chart-search-fields input::placeholder{color:#68718b;opacity:1}
#chart-search-submit,.primary{background:#6545d4;color:#fff;border-color:#6545d4;border-radius:8px}
#chart-search-submit:hover,.primary:hover{background:#5334bf}
.chart-search li button{background:#f5f3ff;color:#172039;border:1px solid #dcd6fa;border-radius:8px}
.chart-search li button:hover{background:#ece7ff}
.chart-search a,.chart-credit a,.chart-downloads a{color:#5939bc}
.chart-shell{background:#111a2e;border-radius:14px}
#chart-viewport{background:#202b43}
.chart-controls{background:#151f35}
.chart-controls button{background:#26324c;color:#fff;border:1px solid #53617e;border-radius:7px}
.chart-controls button:hover:not(:disabled){background:#3c356c;border-color:#a89ae5}
#chart-status{color:#e4e9f6}
.card{background:#fff;border-color:var(--line);border-top-color:#9b8ae8;border-radius:12px}
.card.anchor{border-top-color:#6545d4}
.card:hover{box-shadow:0 10px 28px #27345b10}
.card p.summary,.card-top{color:var(--muted)}
.date{color:#6143bb}
.card button{border-top-color:var(--line)}
.about{background:#edf0fa;border-radius:14px}
.about-grid p{color:#566079}
.about-grid strong{color:var(--ink)}
fieldset button[aria-pressed=true]{background:#6545d4;color:#fff}
.search{border-radius:8px}
footer{background:#fff}
dialog{background:#fff;border-radius:16px}
dialog .qualification{background:#f0edff;border-left-color:#7355e8}
button:focus-visible,a:focus-visible,input:focus-visible,.chart-search :focus-visible{outline:3px solid #7355e8;outline-offset:3px}
@media(max-width:640px){.chart-intro h1{font-size:38px;letter-spacing:-1.2px}.wordmark-primary{font-size:26px}.chart-search h3{font-size:23px}}

.header-actions{display:flex;gap:24px;align-items:center}.header-actions .primary{font-size:14px;font-weight:700;gap:10px}
.print-shop{margin:8px 24px 40px;padding:32px;background:#fff;border:1px solid var(--line);border-radius:18px;scroll-margin-top:20px}
.print-shop-intro{max-width:800px}.print-shop h2{font-size:clamp(28px,3vw,40px);margin-bottom:16px}.print-shop .eyebrow{margin-bottom:12px}
.print-shop p{color:var(--muted)}.print-size-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:24px 0}
.print-size{padding:24px;background:#f7f8fc;border:1px solid var(--line);border-radius:12px}
.print-size h3{font-size:20px;margin:0 0 14px}.print-size .print-dimensions{color:#5939bc;font-weight:700;font-size:17px}
.print-size p{font-size:14px}.print-inquiry{display:flex;align-items:center;gap:32px;border-top:1px solid var(--line);padding-top:24px}
.print-inquiry>div{flex:1}.print-inquiry h3{font-size:22px;margin:0}.print-inquiry .primary{flex:none;gap:10px;font-weight:700}
.print-inquiry .print-fine{font-size:12px;max-width:900px}
@media(max-width:1100px){.print-size-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.print-inquiry{align-items:flex-start;flex-direction:column;gap:12px}}
@media(max-width:640px){.header-actions{gap:10px;flex-wrap:wrap}.header-actions .nav-link{margin-left:0}.header-actions .primary{padding:10px 12px;font-size:12px}.site-header{flex-wrap:wrap}.print-shop{margin:0 12px 28px;padding:22px 18px}.print-size-grid{grid-template-columns:1fr}.print-inquiry .primary{font-size:12px;padding:12px;max-width:100%}}

@media(min-width:1101px){.print-size-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}