:root{
    --primary:#2A68AF;
    --primary-dark:#1B4571;
    --primary-light:#EAF2FB;
    --accent:#E8963C;
    --accent-on-dark:#F5B25E;
    --gold:#B08D57;
    --gold-light:#F3E9D8;
    --text:#20242B;
    --text-muted:#55606E;
    --bg:#FBFCFE;
    --border:#DCE4EE;
    --serif:'Source Serif 4', Georgia, serif;
    --sans:'Inter', system-ui, sans-serif;
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{
    font-family:var(--sans);
    color:var(--text);
    background:var(--bg);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%; display:block;}
  a{color:inherit; text-decoration:none;}
  .container{max-width:1180px; margin:0 auto; padding:0 24px;}
  section{padding:88px 0;}
  section[id]{scroll-margin-top:96px;}
  h1,h2,h3{font-family:var(--serif); font-weight:600; letter-spacing:-0.01em;}

  /* Accessibility: visible keyboard focus */
  a:focus-visible, button:focus-visible, input:focus-visible,
  textarea:focus-visible, select:focus-visible, [tabindex]:focus-visible{
    outline:3px solid var(--accent);
    outline-offset:2px;
    border-radius:2px;
  }

  /* Accessibility: skip link */
  .skip-link{
    position:absolute; left:14px; top:-60px; z-index:200;
    background:var(--accent); color:#20242B;
    padding:10px 18px; border-radius:6px;
    font-weight:700; font-size:14px;
    transition:top .2s ease;
  }
  .skip-link:focus{top:14px;}
  .eyebrow{
    font-family:var(--sans); font-weight:600; font-size:13px;
    letter-spacing:0.12em; text-transform:uppercase; color:var(--primary);
  }
  .btn{
    display:inline-flex; align-items:center; gap:8px;
    padding:14px 28px; border-radius:6px; font-weight:600; font-size:15px;
    border:1px solid transparent; cursor:pointer; transition:all .15s ease;
  }
  .btn-accent{background:var(--accent); color:var(--text);}
  .btn-accent:hover{background:#d6842a;}
  .btn-outline{border-color:rgba(255,255,255,0.55); color:#fff;}
  .btn-outline:hover{background:rgba(255,255,255,0.12);}
  .btn-primary{background:var(--primary); color:#fff;}
  .btn-primary:hover{background:var(--primary-dark);}

  /* ACCESSIBILITY BAR */
  .a11y-bar{background:var(--primary-dark); color:#fff; font-size:12.5px;}
  .a11y-bar-inner{display:flex; justify-content:flex-end; align-items:center; gap:22px; padding:7px 24px; flex-wrap:wrap;}
  .a11y-group{display:flex; align-items:center; gap:6px;}
  .a11y-label{opacity:.8; margin-right:2px; font-size:12px;}
  .a11y-btn{
    display:inline-flex; align-items:center; justify-content:center; gap:6px;
    background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.28); color:#fff;
    border-radius:5px; padding:5px 11px; min-height:26px; min-width:26px;
    font-size:12.5px; font-weight:600;
    cursor:pointer; transition:background .15s, color .15s;
  }
  .a11y-btn:hover{background:rgba(255,255,255,.24);}
  .a11y-btn.active{background:var(--accent); border-color:var(--accent); color:#20242B;}
  .a11y-icon{width:14px; height:14px;}

  /* HIGH CONTRAST MODE */
  body.high-contrast{background:#000 !important;}
  body.high-contrast *{
    background-color:#000 !important; background-image:none !important;
    color:#fff !important; border-color:#ffe600 !important; box-shadow:none !important; text-shadow:none !important;
  }
  body.high-contrast a{color:#ffe600 !important; text-decoration:underline !important;}
  body.high-contrast .btn, body.high-contrast .a11y-btn, body.high-contrast .fact-chip,
  body.high-contrast .topic-icon, body.high-contrast .stat-box, body.high-contrast .topic-card,
  body.high-contrast .t-dot, body.high-contrast .seal-img, body.high-contrast .hero-title-logo,
  body.high-contrast .brand-logo{
    border:2px solid #ffe600 !important;
  }
  body.high-contrast img{filter:grayscale(1) contrast(1.4) !important;}
  body.high-contrast .drop-glow, body.high-contrast .hero::before{display:none !important;}
  body.high-contrast .a11y-btn.active{background:#ffe600 !important; color:#000 !important;}

  /* HEADER */
  header{
    position:sticky; top:0; z-index:50;
    background:rgba(251,252,254,0.92); backdrop-filter:blur(8px);
    border-bottom:1px solid var(--border);
  }
  .nav-wrap{display:flex; align-items:center; justify-content:space-between; height:76px;}
  .brand{display:flex; align-items:center; gap:12px; font-family:var(--serif); font-weight:600; font-size:16px; color:var(--primary-dark);}
  .brand-logo{
    width:42px; height:42px; object-fit:contain; flex-shrink:0;
  }
  nav ul{display:flex; gap:24px; list-style:none;}
  nav a{font-size:14px; font-weight:500; color:var(--text); transition:color .15s; white-space:nowrap;}
  nav a:hover{color:var(--primary);}
  .nav-cta{display:flex; align-items:center; gap:20px;}
  .nav-cta .btn{padding:10px 20px; font-size:14px;}

  /* Hamburger */
  .menu-toggle{
    display:none; flex-direction:column; justify-content:center; gap:5px;
    width:40px; height:40px; border:none; background:transparent; cursor:pointer;
    padding:0; flex-shrink:0;
  }
  .menu-toggle span{
    display:block; width:22px; height:2px; background:var(--primary-dark);
    border-radius:2px; transition:transform .2s ease, opacity .2s ease;
    margin:0 auto;
  }
  .menu-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .menu-toggle.active span:nth-child(2){opacity:0;}
  .menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

  /* HERO */
  .hero{
    position:relative; overflow:hidden;
    background:linear-gradient(180deg, var(--primary-dark) 0%, var(--primary) 100%);
    color:#fff; padding:104px 0 96px;
  }
  .hero::before{
    content:''; position:absolute; inset:0; opacity:.14;
    background-image:
      linear-gradient(rgba(255,255,255,.6) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,.6) 1px, transparent 1px);
    background-size:44px 44px;
    mask-image:radial-gradient(ellipse at 70% 30%, black 0%, transparent 70%);
  }
  .hero-grid{position:relative; display:grid; grid-template-columns:1.15fr 0.85fr; gap:56px; align-items:center;}
  .hero-eyebrow{
    display:inline-flex; align-items:center; gap:10px;
    font-size:13px; font-weight:600; letter-spacing:.1em; text-transform:uppercase;
    color:#DCE9F8; margin-bottom:22px;
  }
  .hero-eyebrow .dot{width:6px; height:6px; border-radius:50%; background:var(--accent);}
  .hero-title-row{display:flex; align-items:center; gap:14px; margin-bottom:20px;}
  .hero-logo-badge{
    position:relative; width:118px; height:135px; flex-shrink:0;
    display:flex; align-items:flex-end; justify-content:center; padding-bottom:14px;
  }
  .drop-glow{position:absolute; inset:0; width:100%; height:100%; z-index:0; pointer-events:none;}
  .hero-title-logo{position:relative; z-index:1; width:76px; height:76px; object-fit:contain; flex-shrink:0; filter:drop-shadow(0 8px 18px rgba(0,0,0,.25));}
  .hero h1{font-size:clamp(34px, 4.4vw, 54px); line-height:1.08; color:#fff; margin-bottom:0;}
  .hero h1 .num{color:#BFD6EF; font-weight:400;}
  .hero-topic{font-size:19px; color:#DCE9F8; max-width:560px; margin-bottom:34px; font-weight:400;}
  .hero-facts{display:flex; flex-wrap:wrap; gap:14px; margin-bottom:38px;}
  .fact-chip{
    display:flex; align-items:center; gap:9px;
    background:rgba(255,255,255,0.1); border:1px solid rgba(255,255,255,.22);
    padding:10px 16px; border-radius:30px; font-size:14px; font-weight:500;
  }
  .fact-chip svg{width:16px; height:16px; flex-shrink:0;}
  .hero-actions{display:flex; gap:14px; flex-wrap:wrap;}

  /* Jubilee seal */
  .seal-wrap{position:relative; display:flex; justify-content:center; align-items:center;}
  .seal-img{
    width:380px; height:380px; object-fit:contain;
    filter:drop-shadow(0 20px 60px rgba(0,0,0,.35));
  }

  /* QUICK STRIP */
  .strip{background:var(--primary-dark); color:#fff; padding:20px 0;}
  .strip .container{display:flex; justify-content:space-between; flex-wrap:wrap; gap:16px; font-size:14px;}
  .strip strong{font-weight:600; color:var(--accent-on-dark);}

  /* SECTION generic */
  .section-head{max-width:640px; margin-bottom:48px;}
  .section-head h2{font-size:clamp(26px,3vw,36px); margin-top:10px; color:var(--primary-dark);}
  .section-head p{color:var(--text-muted); font-size:16px; margin-top:14px;}

  .about-grid{display:grid; grid-template-columns:1.1fr 0.9fr; gap:64px; align-items:start;}
  .about-grid p{color:var(--text-muted); font-size:16.5px; margin-bottom:16px;}
  .stat-box{
    background:var(--primary-light); border:1px solid var(--border);
    border-radius:12px; padding:28px; margin-bottom:16px;
  }
  .stat-box .n{font-family:var(--serif); font-size:34px; color:var(--primary-dark); font-weight:700;}
  .stat-box .l{font-size:14px; color:var(--text-muted); margin-top:4px;}

  /* TOPICS */
  .topics{background:var(--primary-light);}
  .topic-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:24px;}
  .topic-card{
    background:#fff; border:1px solid var(--border); border-radius:12px;
    padding:32px 28px; transition:transform .15s ease, box-shadow .15s ease;
  }
  .topic-card:hover{transform:translateY(-4px); box-shadow:0 16px 32px rgba(27,69,113,.12);}
  .topic-icon{
    width:48px; height:48px; border-radius:10px; background:var(--primary);
    display:flex; align-items:center; justify-content:center; margin-bottom:20px;
  }
  .topic-icon svg{width:24px; height:24px; stroke:#fff;}
  .topic-card h3{font-size:19px; color:var(--primary-dark); margin-bottom:10px;}
  .topic-card p{color:var(--text-muted); font-size:14.5px;}

  /* TIMELINE */
  .timeline{position:relative; margin-top:8px;}
  .t-item{display:grid; grid-template-columns:160px 28px 1fr; gap:0; align-items:start; padding-bottom:44px; position:relative;}
  .t-item:last-child{padding-bottom:0;}
  .t-date{font-family:var(--serif); font-weight:600; color:var(--primary-dark); font-size:17px; padding-top:2px;}
  .t-line{position:relative; display:flex; justify-content:center;}
  .t-dot{width:14px; height:14px; border-radius:50%; background:var(--accent); margin-top:6px; z-index:2; box-shadow:0 0 0 4px var(--primary-light);}
  .t-line::before{content:''; position:absolute; top:20px; bottom:-44px; width:2px; background:var(--border);}
  .t-item:last-child .t-line::before{display:none;}
  .t-body h3{font-size:16.5px; font-weight:600; margin-bottom:6px;}
  .t-body p{color:var(--text-muted); font-size:14.5px;}

  /* JUBILEE */
  .jubilee{
    background:linear-gradient(135deg, var(--gold-light), #fff 60%);
    border-top:1px solid var(--border); border-bottom:1px solid var(--border);
    position:relative; overflow:hidden;
  }
  .jubilee-grid{display:grid; grid-template-columns:0.8fr 1.2fr; gap:56px; align-items:center;}
  .jubilee .eyebrow{color:var(--gold);}
  .mini-seal-img{
    width:180px; height:180px; object-fit:contain; display:block; margin:0 auto;
    filter:drop-shadow(0 14px 36px rgba(176,141,87,.35));
  }
  .jubilee h2{color:var(--primary-dark); font-size:clamp(24px,2.8vw,32px); margin-bottom:16px;}
  .jubilee p{color:var(--text-muted); font-size:16px; margin-bottom:14px; max-width:600px;}

  /* LOCATION */
  .loc-grid{display:grid; grid-template-columns:1fr 1fr; gap:0; border-radius:14px; overflow:hidden; border:1px solid var(--border);}
  .loc-info{background:var(--primary-dark); color:#fff; padding:48px 44px;}
  .loc-info .eyebrow{color:#9EC2E8;}
  .loc-info h2{color:#fff; font-size:28px; margin:10px 0 18px;}
  .loc-info p{color:#CBDCF0; margin-bottom:22px; font-size:15.5px;}
  .loc-detail{display:flex; gap:12px; margin-bottom:16px; font-size:14.5px;}
  .loc-detail svg{width:18px; height:18px; flex-shrink:0; margin-top:2px; stroke:var(--accent);}
  .loc-map{
    background:var(--primary-light);
    display:flex; align-items:stretch; justify-content:stretch;
    min-height:320px;
  }
  .loc-map iframe{width:100%; height:100%;}

  /* CTA BAND */
  .cta-band{
    background:var(--primary); color:#fff; text-align:center; padding:72px 0;
  }
  .cta-band h2{color:#fff; font-size:clamp(24px,3vw,32px); margin-bottom:14px;}
  .cta-band p{color:#DCE9F8; max-width:520px; margin:0 auto 30px; font-size:16px;}
  .cta-actions{display:flex; gap:14px; justify-content:center; flex-wrap:wrap;}

  /* FOOTER */
  footer{background:var(--primary-dark); color:#C6D8ED; padding:56px 0 28px;}
  .foot-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; padding-bottom:40px; border-bottom:1px solid rgba(255,255,255,.12);}
  .foot-brand{display:flex; align-items:center; gap:12px; margin-bottom:14px;}
  .foot-brand span{font-family:var(--serif); color:#fff; font-weight:600; font-size:15px;}
  footer h3{
    font-family:var(--sans); color:#fff; font-size:13px; letter-spacing:.06em;
    text-transform:uppercase; margin-bottom:16px; font-weight:600;
  }
  footer ul{list-style:none;}
  footer li{margin-bottom:10px; font-size:14px;}
  footer a:hover{color:#fff;}
  .foot-bottom{display:flex; justify-content:space-between; padding-top:24px; font-size:13px; color:#99B7D6; flex-wrap:wrap; gap:10px;}
  .foot-legal{display:flex; align-items:center; gap:8px;}
  .foot-legal-sep{color:#99B7D6;}

  /* COOKIE BANNER */
  .cookie-banner{
    position:fixed; left:0; right:0; bottom:0; z-index:80;
    background:var(--primary-dark); color:#fff;
    padding:20px 24px; box-shadow:0 -10px 28px rgba(0,0,0,.2);
    display:none;
  }
  .cookie-banner.show{display:block;}
  .cookie-inner{
    max-width:1180px; margin:0 auto; display:flex; align-items:center;
    justify-content:space-between; gap:28px; flex-wrap:wrap;
  }
  .cookie-text{font-size:14px; line-height:1.55; color:#DCE9F8; max-width:680px; margin:0;}
  .cookie-text a{color:#fff; text-decoration:underline; font-weight:600;}
  .cookie-actions{display:flex; gap:12px; flex-wrap:wrap; flex-shrink:0;}
  .cookie-actions .btn{padding:11px 20px; font-size:13.5px;}
  .btn-ghost{background:transparent; border:1px solid rgba(255,255,255,.4); color:#fff;}
  .btn-ghost:hover{background:rgba(255,255,255,.12);}

  @media (max-width: 900px){
    .cookie-inner{flex-direction:column; align-items:flex-start;}
    .menu-toggle{display:flex;}
    nav{
      position:fixed; top:76px; left:0; right:0; z-index:49;
      background:#fff; border-bottom:1px solid var(--border);
      max-height:0; overflow:hidden; transition:max-height .28s ease;
      box-shadow:0 12px 24px rgba(27,69,113,.08);
    }
    nav.open{max-height:520px;}
    nav ul{flex-direction:column; gap:0; padding:8px 24px 16px;}
    nav li{width:100%;}
    nav a{display:block; padding:14px 2px; border-bottom:1px solid var(--border); font-size:15.5px;}
    .nav-cta .btn-primary{padding:9px 16px; font-size:13.5px;}
    .hero-grid{grid-template-columns:1fr;}
    .seal-wrap{order:-1;}
    .hero-logo-badge{width:82px; height:94px; padding-bottom:9px;}
    .hero-title-logo{width:52px; height:52px;}
    .seal-img{width:200px; height:200px;}
    .about-grid, .jubilee-grid, .loc-grid{grid-template-columns:1fr;}
    .topic-grid{grid-template-columns:1fr;}
    .foot-grid{grid-template-columns:1fr 1fr; row-gap:32px;}
  }