:root{--ink:#183139;--muted:#536970;--blue:#123f50;--blue2:#1d6172;--paper:#fffdf8;--sand:#f5efe4;--gold:#f2c178;--terra:#c86c4a;--terra2:#95472f;--line:rgba(24,49,57,.16);--shadow:0 16px 45px rgba(18,63,80,.12);--r:22px;--shell:min(1240px,calc(100vw - 40px));--serif:Georgia,"Times New Roman",serif;--sans:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:94px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 var(--sans);text-rendering:optimizeLegibility}img{max-width:100%;display:block}a{color:inherit}button,input,select,textarea{font:inherit}.shell{width:var(--shell);margin:auto}.skip{position:fixed;top:8px;left:8px;z-index:9999;transform:translateY(-150%);background:white;padding:10px 14px;border-radius:8px}.skip:focus{transform:none}:focus-visible{outline:3px solid #f2c178;outline-offset:3px}.site-header{position:sticky;top:0;z-index:80;background:rgba(18,63,80,.97);color:#fff;border-bottom:1px solid rgba(255,255,255,.15);backdrop-filter:blur(14px)}.header-inner{width:min(1480px,calc(100vw - 28px));min-height:80px;margin:auto;display:flex;align-items:center;gap:20px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;min-width:max-content}.brand img{width:50px;height:44px}.brand strong{font:600 1.08rem/1.08 var(--serif);display:block}.brand small{display:block;color:rgba(255,255,255,.66);font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;margin-top:4px}.nav{margin-left:auto;display:flex;gap:2px;align-items:center}.nav a{padding:9px 10px;border-radius:9px;text-decoration:none;color:rgba(255,255,255,.83);font-size:.83rem;white-space:nowrap}.nav a:hover{background:rgba(255,255,255,.1);color:#fff}.nav .worksheets-link{background:var(--terra);color:#fff;font-weight:800}.feedback-link{border:1px solid rgba(255,255,255,.25);padding:8px 12px;border-radius:999px;text-decoration:none;font-size:.76rem;white-space:nowrap}.crumbs{font-size:.82rem;color:var(--muted);margin:24px 0}.crumbs ol{display:flex;flex-wrap:wrap;gap:7px;list-style:none;padding:0;margin:0}.crumbs li:not(:last-child)::after{content:"/";margin-left:7px;color:#9aa8ac}.hero{min-height:720px;position:relative;color:#fff;display:grid;align-items:center;overflow:hidden;background:#102f3a}.hero-image{position:absolute;inset:0;background:url('/assets/medium/d1-35.webp') center 42%/cover no-repeat;transform:scale(1.01)}.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,27,35,.84),rgba(6,27,35,.58) 48%,rgba(6,27,35,.18)),linear-gradient(0deg,rgba(6,27,35,.65),transparent 55%)}.hero-content{position:relative;z-index:2;padding:90px 0}.kicker{font-weight:800;font-size:.75rem;letter-spacing:.16em;text-transform:uppercase;color:var(--terra);margin:0 0 13px}.hero .kicker{color:var(--gold)}h1,h2{font-family:var(--serif);font-weight:500;line-height:1.06;letter-spacing:-.035em;margin-top:0}h1{font-size:clamp(3rem,7vw,7.2rem);margin-bottom:25px}.hero h1 em{color:var(--gold);font-weight:400}.hero-lead{max-width:790px;font-size:clamp(1.03rem,1.7vw,1.34rem);color:rgba(255,255,255,.87)}.buttons{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:11px 20px;border-radius:999px;border:1px solid transparent;text-decoration:none;font-weight:800;font-size:.88rem}.btn-primary{background:var(--terra);color:white}.btn-primary:hover{background:var(--terra2)}.btn-light{background:var(--gold);color:var(--blue)}.btn-outline{border-color:rgba(255,255,255,.48);color:#fff;background:rgba(255,255,255,.06)}.btn-ink{border-color:var(--line);color:var(--blue);background:white}.stats{display:grid;grid-template-columns:repeat(4,1fr);max-width:900px;margin-top:55px;border:1px solid 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var(--line);border-radius:var(--r);overflow:hidden;box-shadow:0 8px 26px rgba(18,63,80,.07)}.card-link{display:block;text-decoration:none;height:100%}.card-media{aspect-ratio:16/10;background:#dcebef;overflow:hidden}.card-media img{width:100%;height:100%;object-fit:cover}.card-body{padding:21px}.card-meta{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:11px}.pill{display:inline-flex;padding:5px 9px;border-radius:999px;background:#e8f0f2;color:var(--blue);font-size:.68rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase}.pill.status{background:#f8e4dc;color:#7e3d29}.card h3{font:600 1.38rem/1.22 var(--serif);margin:0 0 11px}.card p{color:var(--muted);margin:0}.card-footer{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-top:17px;padding-top:14px;border-top:1px solid var(--line);font-size:.78rem;color:var(--blue)}.placeholder{height:100%;display:grid;place-items:center;text-align:center;padding:22px;background:linear-gradient(135deg,#dcebef,#f5efe4);color:var(--blue)}.placeholder img{width:100px;height:auto;object-fit:contain}.epoch-list{display:grid;gap:13px}.epoch{background:white;border:1px solid var(--line);border-radius:18px;overflow:hidden}.epoch summary{cursor:pointer;list-style:none;display:grid;grid-template-columns:160px 1fr auto;align-items:center;gap:22px;padding:14px}.epoch summary::-webkit-details-marker{display:none}.epoch-cover{width:160px;height:94px;object-fit:cover;border-radius:12px}.epoch summary h3{font:600 1.45rem/1.2 var(--serif);margin:0}.epoch summary p{margin:5px 0 0;color:var(--muted);font-size:.85rem}.epoch summary span{font-size:1.6rem;color:var(--terra)}.epoch-content{padding:0 24px 24px 196px}.epoch-content p{color:var(--muted)}.route-card{padding:26px;background:white;border:1px solid var(--line);border-radius:var(--r)}.route-card h3{font:600 1.55rem/1.2 var(--serif);margin:0 0 11px}.route-card ol{padding-left:20px;color:var(--muted)}.route-card a{color:var(--blue);font-weight:800}.filters{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:10px;margin-bottom:25px}.filters input,.filters select{width:100%;min-height:46px;border:1px solid var(--line);border-radius:11px;background:white;padding:9px 12px;color:var(--ink)}.results-note{margin:0 0 18px;color:var(--muted)}.hidden-card{display:none!important}.page-hero{background:linear-gradient(135deg,#123f50,#1d6172);color:white;padding:62px 0 54px}.page-hero h1{font-size:clamp(2.8rem,5.6vw,5.7rem);max-width:1050px}.page-hero p{max-width:800px;color:rgba(255,255,255,.82);font-size:1.12rem}.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:52px;align-items:start}.main-copy p{font:1.13rem/1.78 var(--serif);color:#304b53}.sidebar{position:sticky;top:108px}.info-box{background:var(--sand);border:1px solid var(--line);border-radius:18px;padding:21px;margin-bottom:18px}.info-box h2,.info-box h3{font:600 1.25rem/1.25 var(--serif);margin:0 0 12px}.info-list{list-style:none;padding:0;margin:0}.info-list li{padding:8px 0;border-top:1px solid var(--line);font-size:.87rem}.info-list li:first-child{border-top:0}.notice{border-left:4px solid var(--terra);background:#fbede8;padding:18px 20px;border-radius:0 14px 14px 0;margin:28px 0}.gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px;margin:28px 0}.gallery figure{margin:0}.gallery a{display:block;border-radius:16px;overflow:hidden;background:#e6ecee}.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover}.gallery figcaption{font-size:.8rem;color:var(--muted);margin-top:7px}.related{margin-top:55px}.related h2{font-size:2.2rem}.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:48px}.prev-next a{padding:17px;border:1px solid var(--line);border-radius:14px;text-decoration:none;background:white}.prev-next small{display:block;color:var(--muted);font-size:.72rem;text-transform:uppercase}.prev-next strong{display:block;margin-top:5px}.image-page{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(280px,.6fr);gap:36px;align-items:start}.image-frame{background:#102f3a;border-radius:20px;overflow:hidden;min-height:400px;display:grid;place-items:center}.image-frame img{max-height:78vh;width:auto}.credit{font-size:.85rem;color:var(--muted);margin-top:12px}.worksheet-index{display:grid;gap:44px}.worksheet-era h2{font-size:2.4rem}.worksheet-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.worksheet-card{background:white;border:1px solid var(--line);border-radius:15px;padding:18px}.worksheet-card h3{font:600 1.15rem/1.25 var(--serif);margin:0 0 12px}.worksheet-actions{display:flex;flex-wrap:wrap;gap:8px}.worksheet-actions a{padding:8px 10px;border-radius:9px;text-decoration:none;font-size:.78rem;font-weight:800;background:#e8f0f2;color:var(--blue)}.worksheet-actions a.pdf{background:#f8e4dc;color:#7e3d29}.worksheet-toolbar{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}.worksheet-shell{background:#edf1f2;padding:30px 0 60px}.worksheet-sheet{width:190mm;min-height:277mm;margin:auto;background:white;padding:10mm 11mm;box-shadow:var(--shadow);color:#1b2f36}.ws-head{display:grid;grid-template-columns:55px 1fr;gap:12px;align-items:center;border-bottom:2px solid var(--blue);padding-bottom:7px}.ws-head img{width:52px}.ws-head h1{font-size:23px;margin:0}.ws-meta{display:flex;flex-wrap:wrap;gap:7px;margin:8px 0}.ws-meta span{font-size:9px;padding:4px 7px;border-radius:999px;background:#e8f0f2}.ws-intro{font-size:10px;line-height:1.35;margin:7px 0}.ws-map{display:grid;grid-template-columns:1.3fr .7fr;gap:8px;margin:7px 0}.ws-map svg,.ws-map img{width:100%;height:112mm;object-fit:contain;border:1px solid #b8c6ca;border-radius:8px;background:#f8fbfb}.ws-city-list{font-size:8px;line-height:1.35;columns:2;padding:7px;background:#f5efe4;border-radius:8px}.tasks{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:7px}.task{border:1px solid #c9d2d5;border-radius:7px;padding:6px 7px;min-height:25mm}.task h2{font:700 10px/1.2 var(--sans);letter-spacing:0;margin:0 0 3px;color:var(--blue)}.task p{font-size:8.3px;line-height:1.3;margin:0}.answer-lines{margin-top:5px;height:8mm;background:repeating-linear-gradient(to bottom,transparent 0,transparent 3.6mm,#ccd5d8 3.7mm,#ccd5d8 3.9mm)}.ws-foot{display:flex;justify-content:space-between;gap:10px;border-top:1px solid #b8c6ca;margin-top:7px;padding-top:5px;font-size:7.5px;color:#50666d}.authors-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.author{background:white;border:1px solid var(--line);border-radius:18px;padding:24px}.author h2{font-size:1.7rem}.photo-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:9px;margin-top:30px}.photo-strip img{aspect-ratio:1/1;object-fit:cover;border-radius:13px}.table-wrap{overflow:auto}.credits-table{width:100%;border-collapse:collapse;font-size:.82rem}.credits-table th,.credits-table td{text-align:left;vertical-align:top;padding:10px;border-bottom:1px solid var(--line)}.credits-table th{background:var(--sand)}.site-footer{background:#0d3442;color:#fff;padding:50px 0}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:32px}.site-footer p{color:rgba(255,255,255,.68)}.site-footer a{display:block;color:rgba(255,255,255,.83);margin:6px 0}.empty{padding:30px;border:1px dashed #9fb0b5;border-radius:15px;color:var(--muted);text-align:center}.feedback{display:grid;grid-template-columns:1fr 1fr;gap:45px}.feedback-form{display:grid;gap:12px}.feedback-form label span{display:block;font-size:.8rem;font-weight:700;margin-bottom:4px}.feedback-form input,.feedback-form textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px;background:white}.honeypot{position:absolute!important;left:-9999px!important}.index-links{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.index-links a{padding:18px;border:1px solid var(--line);border-radius:14px;text-decoration:none;background:white}.index-links strong{display:block;font-family:var(--serif);font-size:1.1rem}.index-links span{font-size:.8rem;color:var(--muted)}
@media(max-width:1080px){.nav{overflow-x:auto;max-width:60vw}.feedback-link{display:none}.grid-3,.worksheet-cards{grid-template-columns:repeat(2,1fr)}.content-grid{grid-template-columns:1fr}.sidebar{position:static}.image-page{grid-template-columns:1fr}.index-links{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){:root{--shell:min(100% - 26px,1240px)}.header-inner{min-height:72px;align-items:center}.brand img{width:44px}.brand small{display:block}.nav{margin-left:0;order:3;width:100%;max-width:none;padding-bottom:8px}.header-inner{flex-wrap:wrap;padding-top:7px}.site-header{position:relative}.section{padding:66px 0}.section-head{grid-template-columns:1fr;gap:15px}.stats{grid-template-columns:repeat(2,1fr)}.grid-3,.grid-2,.worksheet-cards,.authors-grid,.feedback{grid-template-columns:1fr}.epoch summary{grid-template-columns:92px 1fr auto;gap:12px}.epoch-cover{width:92px;height:75px}.epoch-content{padding:0 16px 18px}.filters{grid-template-columns:1fr}.gallery{grid-template-columns:1fr}.prev-next{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.photo-strip{grid-template-columns:repeat(3,1fr)}.index-links{grid-template-columns:1fr}.worksheet-sheet{width:100%;min-height:0;padding:18px}.worksheet-shell{padding-top:12px}.ws-map{grid-template-columns:1fr}.tasks{grid-template-columns:1fr}.task{min-height:0}.page-hero{padding-top:42px}.page-hero h1{font-size:2.7rem}}
@media print{.site-header,.site-footer,.worksheet-toolbar,.crumbs,.no-print{display:none!important}body{background:white}.worksheet-shell{padding:0;background:white}.worksheet-sheet{width:210mm;height:297mm;min-height:297mm;padding:8mm 10mm;box-shadow:none;margin:0;overflow:hidden}.ws-head h1{font-size:19px}.ws-intro{font-size:8px}.ws-map svg,.ws-map img{height:91mm}.task{min-height:22mm}.task p{font-size:7.7px}.ws-foot{font-size:7px}@page{size:A4;margin:0}}

/* Final multilingual navigation and localisation */
.lang-switch{display:flex;align-items:center;flex:0 0 auto;margin-left:4px;padding:7px 10px;border:1px solid rgba(255,255,255,.22);border-radius:999px;white-space:nowrap}.lang-option{color:rgba(255,255,255,.82);text-decoration:none;font-size:.78rem;font-weight:800;line-height:1}.lang-option.active,.lang-option:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}.lang-space{display:inline-block;min-width:8px}.localized-filters{grid-template-columns:2fr 1fr 1fr}.gallery figcaption a{font-weight:800;color:var(--blue)}.card-media>a{display:block;height:100%}.card-media>a img{width:100%;height:100%;object-fit:cover}.page-hero .buttons{margin-top:25px}.main-copy .kicker{margin-bottom:18px}.image-frame img{max-width:100%;height:auto}.notice p{margin:.4rem 0 0}.lang-switch+.feedback-link{margin-left:0}@media(max-width:1250px){.header-inner{gap:12px}.nav a{padding:8px 7px}.lang-switch{order:2}.feedback-link{display:none}}@media(max-width:900px){.nav{order:3;width:100%;max-width:none;margin-left:0;padding-bottom:8px}.header-inner{flex-wrap:wrap}.lang-switch{margin-left:auto}}@media(max-width:760px){.localized-filters{grid-template-columns:1fr}.lang-switch{margin-left:auto}.page-hero h1{overflow-wrap:anywhere}}