/**
 * Turin Papyrus Platform — style.css
 * Color system: Papyrus #E6D6AC, Ochre #A8501E, Lapis #12428F, Gold #B8903E
 * Fonts: Tajawal (UI/Arabic), JetBrains Mono (data/coordinates/code), Georgia (methodology prose)
 * Supports both LTR (English, default) and RTL (Arabic) via html[dir] + .lang-en/.lang-ar toggling.
 */


  :root{
    --papyrus: #E6D6AC;
    --papyrus-deep: #D3BD87;
    --panel: #FBF4DF;
    --ink: #241C14;
    --ink-soft: #4A3B28;
    --ochre: #A8501E;
    --ochre-deep: #7C3714;
    --lapis: #12428F;
    --lapis-bright: #1E5FC4;
    --gold: #B8903E;
    --line: rgba(36,28,20,0.16);
  }
  *{box-sizing:border-box;}
  html,body{margin:0;padding:0;}
  body{
    background:
      radial-gradient(1200px 600px at 10% -10%, #F1E4C0 0%, transparent 60%),
      var(--papyrus);
    color:var(--ink);
    font-family:'Tajawal',sans-serif;
    min-height:100vh;
    line-height:1.65;
  }
  .mono{font-family:'JetBrains Mono',monospace; direction:ltr; unicode-bidi:isolate;}

  header{
    padding:36px 24px 20px;
    text-align:center;
    border-bottom:1px solid var(--line);
    position:relative;
    overflow:hidden;
  }
  header::before{
    content:"";
    position:absolute; inset:0;
    background: repeating-linear-gradient(90deg, transparent 0 38px, var(--ochre) 38px 39px);
    opacity:.05;
    pointer-events:none;
  }
  .eyebrow{
    font-family:'JetBrains Mono',monospace;
    letter-spacing:.12em;
    font-size:12px;
    color:var(--ochre-deep);
    text-transform:uppercase;
    direction:ltr;
    display:inline-block;
    margin-bottom:10px;
  }
  h1{
    font-size:clamp(24px,4vw,40px);
    font-weight:900;
    margin:0 0 8px;
    color:var(--ink);
    letter-spacing:-0.01em;
  }
  h1 span{color:var(--ochre);}
  .subtitle{
    font-size:14.5px;
    color:var(--ink-soft);
    max-width:680px;
    margin:0 auto;
    font-weight:400;
  }

  /* Tabs */
  .tabs{
    position:sticky; top:0; z-index:50;
    display:flex; gap:4px; overflow-x:auto;
    padding:10px 16px; background:var(--papyrus);
    border-bottom:1px solid var(--line);
    -ms-overflow-style:none; scrollbar-width:none;
  }
  .tabs::-webkit-scrollbar{display:none;}
  .tab-btn{
    flex-shrink:0;
    font-family:'Tajawal',sans-serif; font-weight:700; font-size:13.5px;
    padding:9px 16px; border-radius:20px; border:1px solid var(--line);
    background:var(--panel); color:var(--ink-soft); cursor:pointer;
    transition:all .15s ease; white-space:nowrap;
  }
  .tab-btn.active{background:var(--lapis); color:#fff; border-color:var(--lapis);}
  .tab-btn:hover:not(.active){background:var(--papyrus-deep);}
  .tab-badge{
    display:inline-block; margin-right:6px; padding:1px 7px; border-radius:10px;
    background:var(--ochre); color:#fff; font-size:9.5px; font-weight:700;
    font-family:'JetBrains Mono',monospace; letter-spacing:.04em; vertical-align:middle;
    animation:pulseBadge 2s ease-in-out infinite;
  }
  @keyframes pulseBadge{0%,100%{opacity:1;} 50%{opacity:.55;}}

  /* cross-tab papyrus link component */
  .why-box{
    display:flex; gap:16px; align-items:center; background:var(--panel);
    border:1px solid var(--line); border-radius:6px; padding:16px 18px; margin:16px 0 22px;
  }
  @media(max-width:640px){.why-box{flex-direction:column; align-items:stretch;}}
  .why-thumb{
    flex-shrink:0; width:120px; height:108px; border-radius:4px; overflow:hidden;
    position:relative; border:1px solid var(--line); cursor:pointer;
  }
  .why-thumb img{width:100%; height:100%; object-fit:cover;}
  .why-thumb .thumb-pin{
    position:absolute; width:22px; height:22px; border-radius:50%; background:var(--lapis);
    color:#fff; display:flex; align-items:center; justify-content:center; font-family:'JetBrains Mono',monospace;
    font-weight:700; font-size:11px; border:2px solid #fff; transform:translate(-50%,-50%);
    box-shadow:0 0 0 4px rgba(18,66,143,.3); animation:pulseBadge 1.6s ease-in-out infinite;
  }
  .why-text{flex:1;}
  .why-text b{font-size:13.5px; display:block; margin-bottom:4px;}
  .why-text p{font-size:12.5px; color:var(--ink-soft); margin:0 0 8px;}
  .jump-btn{
    font-family:'Tajawal',sans-serif; font-size:12px; font-weight:700; color:var(--lapis);
    background:none; border:1px solid var(--lapis); border-radius:20px; padding:5px 14px; cursor:pointer;
    transition:all .15s ease;
  }
  .jump-btn:hover{background:var(--lapis); color:#fff;}

  .wrap{max-width:1180px; margin:0 auto; padding:24px 20px 60px;}
  .tab-content{display:none;}
  .tab-content.active{display:block; animation:fadeIn .25s ease;}
  @keyframes fadeIn{from{opacity:0; transform:translateY(6px);} to{opacity:1; transform:translateY(0);}}

  h2.section-title{font-size:21px; font-weight:900; margin:0 0 6px;}
  p.section-desc{font-size:13.5px; color:var(--ink-soft); margin:0 0 22px; max-width:760px;}

  /* ===== Map tab (reused) ===== */
  .panels{display:grid; grid-template-columns:1fr 1fr; gap:18px; margin-bottom:20px;}
  @media(max-width:860px){ .panels{grid-template-columns:1fr;} }
  .panel{background:var(--panel); border:1px solid var(--line); border-radius:4px; overflow:hidden; box-shadow: 0 1px 0 rgba(255,255,255,.4) inset, 0 8px 24px rgba(36,28,20,.08);}
  .panel-head{display:flex; align-items:center; justify-content:space-between; padding:12px 16px; border-bottom:1px solid var(--line); background:linear-gradient(180deg, #F5EACB, #EFE0BB);}
  .panel-head b{font-size:14px; font-weight:700;}
  .panel-tag{font-family:'JetBrains Mono',monospace; font-size:10.5px; letter-spacing:.06em; color:var(--ink-soft); direction:ltr; padding:3px 8px; border:1px solid var(--line); border-radius:20px;}
  .stage{position:relative; width:100%; aspect-ratio:1100/994; background:#111; overflow:hidden;}
  .stage img{width:100%; height:100%; object-fit:cover; display:block;}
  #map{width:100%; height:100%;}
  .pin{position:absolute; width:28px; height:28px; transform:translate(-50%,-50%); border-radius:50%; background:var(--ochre); color:#fff; display:flex; align-items:center; justify-content:center; font-family:'JetBrains Mono',monospace; font-weight:600; font-size:13px; border:2px solid #fff; box-shadow:0 2px 8px rgba(0,0,0,.4); cursor:pointer; transition:transform .15s ease, background .15s ease; z-index:5;}
  .pin:hover{transform:translate(-50%,-50%) scale(1.15);}
  .pin.active{background:var(--lapis); transform:translate(-50%,-50%) scale(1.25); box-shadow:0 0 0 5px rgba(18,66,143,.28), 0 2px 8px rgba(0,0,0,.4);}
  .leaflet-pin{width:26px; height:26px; border-radius:50%; background:var(--ochre); color:#fff; display:flex; align-items:center; justify-content:center; font-family:'JetBrains Mono',monospace; font-weight:600; font-size:12px; border:2px solid #fff; box-shadow:0 2px 6px rgba(0,0,0,.5);}
  .leaflet-pin.active{background:var(--lapis); box-shadow:0 0 0 5px rgba(18,66,143,.3);}
  .info-card{background:var(--panel); border:1px solid var(--line); border-radius:4px; padding:20px 22px; box-shadow:0 8px 24px rgba(36,28,20,.08); display:grid; grid-template-columns:44px 1fr auto; gap:16px; align-items:start;}
  @media(max-width:640px){ .info-card{grid-template-columns:36px 1fr; } .info-card .coords{grid-column:1/-1;} }
  .info-num{width:44px; height:44px; border-radius:50%; background:var(--lapis); color:#fff; display:flex; align-items:center; justify-content:center; font-family:'JetBrains Mono',monospace; font-weight:700; font-size:17px;}
  .info-title{font-size:17px; font-weight:700; margin:0 0 4px;}
  .info-body p{margin:0 0 8px; font-size:14px; color:var(--ink-soft);}
  .info-body p:last-child{margin-bottom:0;}
  .coords{font-family:'JetBrains Mono',monospace; font-size:12.5px; color:var(--ink); background:var(--papyrus-deep); border-radius:4px; padding:10px 14px; direction:ltr; text-align:left; white-space:nowrap; align-self:center;}
  .coords div{margin-bottom:3px;} .coords div:last-child{margin-bottom:0;} .coords .k{color:var(--ochre-deep); font-weight:600;}
  .pin-list{display:flex; gap:8px; flex-wrap:wrap; margin:16px 0 20px;}
  .pin-chip{font-family:'JetBrains Mono',monospace; font-size:12px; font-weight:600; padding:7px 12px; border-radius:20px; border:1px solid var(--line); background:var(--panel); cursor:pointer; color:var(--ink-soft); transition:all .15s ease;}
  .pin-chip.active{background:var(--lapis); color:#fff; border-color:var(--lapis);}
  .pin-chip.off-fragment{border-style:dashed;}

  .method{margin-top:28px; border-top:1px solid var(--line); padding-top:22px;}
  .method h3{font-size:16px; margin:0 0 12px; font-weight:700;}
  .method-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:14px;}
  @media(max-width:760px){.method-grid{grid-template-columns:1fr;}}
  .method-card{background:var(--panel); border:1px solid var(--line); border-radius:4px; padding:16px 18px;}
  .method-card .m-eyebrow{font-family:'JetBrains Mono',monospace; font-size:10.5px; letter-spacing:.08em; color:var(--ochre-deep); text-transform:uppercase; direction:ltr; margin-bottom:6px; display:block;}
  .method-card p{font-size:13.5px; color:var(--ink-soft); margin:0;}
  .disclaimer{margin-top:16px; font-size:12.5px; color:var(--ink-soft); border-right:3px solid var(--ochre); padding:10px 14px; background:rgba(168,80,30,.06); border-radius:0 4px 4px 0;}

  /* ===== Timeline tab ===== */
  .timeline{position:relative; padding-right:28px; margin-top:10px;}
  .timeline::before{content:""; position:absolute; right:8px; top:6px; bottom:6px; width:2px; background:var(--line);}
  .t-item{position:relative; padding-bottom:26px;}
  .t-item::before{content:""; position:absolute; right:-24px; top:3px; width:14px; height:14px; border-radius:50%; background:var(--panel); border:3px solid var(--ochre);}
  .t-item.milestone::before{border-color:var(--lapis); width:18px; height:18px; right:-26px;}
  .t-year{font-family:'JetBrains Mono',monospace; font-weight:700; color:var(--ochre-deep); font-size:13px; direction:ltr; display:inline-block;}
  .t-item.milestone .t-year{color:var(--lapis);}
  .t-card{background:var(--panel); border:1px solid var(--line); border-radius:4px; padding:14px 16px; margin-top:6px;}
  .t-card b{font-size:14.5px;}
  .t-card p{font-size:13px; color:var(--ink-soft); margin:6px 0 0;}

  .compare-grid{display:grid; grid-template-columns:1fr auto 1fr; gap:16px; align-items:center; margin-top:26px;}
  @media(max-width:700px){.compare-grid{grid-template-columns:1fr;}}
  .compare-card{background:var(--panel); border:1px solid var(--line); border-radius:6px; padding:22px; text-align:center;}
  .compare-card .big-year{font-family:'JetBrains Mono',monospace; font-weight:700; font-size:28px; color:var(--ochre);}
  .compare-vs{font-family:'JetBrains Mono',monospace; font-weight:700; color:var(--lapis); text-align:center; font-size:13px;}
  .compare-gap{grid-column:1/-1; text-align:center; font-family:'JetBrains Mono',monospace; font-size:13px; color:var(--ink-soft); margin-top:-6px;}

  /* ===== Measurement tab ===== */
  .repeat-row{display:flex; gap:10px; margin:14px 0; flex-wrap:wrap;}

  .text-explainer{
    background:var(--panel); border:1px solid var(--line); border-right:4px solid var(--gold);
    border-radius:4px; padding:16px 18px; margin:16px 0;
  }
  .text-explainer b{font-size:14.5px; display:block; margin-bottom:6px;}
  .text-explainer p{font-size:13px; color:var(--ink-soft); margin:0 0 8px;}
  .text-explainer p:last-child{margin-bottom:0;}
  .text-explainer-note{border-top:1px dashed var(--line); padding-top:8px; margin-top:8px; color:var(--ochre-deep) !important; font-size:12.5px !important;}
  .repeat-chip{background:var(--panel); border:1px solid var(--ochre); color:var(--ochre-deep); font-family:'JetBrains Mono',monospace; font-size:12px; font-weight:700; padding:8px 14px; border-radius:4px;}
  .calc-box{background:var(--panel); border:1px solid var(--line); border-radius:6px; padding:20px 24px; margin-top:16px;}
  .calc-row{display:flex; justify-content:space-between; align-items:center; padding:9px 0; border-bottom:1px dashed var(--line); font-size:13.5px;}
  .calc-row:last-child{border-bottom:none;}
  .calc-row .v{font-family:'JetBrains Mono',monospace; font-weight:700; color:var(--lapis); direction:ltr;}

  .ruler-wrap{overflow-x:auto; padding:14px 0 6px; direction:ltr;}
  .ruler{display:flex; height:34px; border:1px solid var(--line); border-radius:3px; overflow:hidden; width:max-content; min-width:100%;}
  .ruler .khet-seg{width:9px; flex-shrink:0; border-left:1px solid rgba(255,255,255,.5); background:var(--ochre);}
  .ruler .khet-seg:nth-child(odd){background:var(--gold);}
  .ruler .khet-seg.partial{background:repeating-linear-gradient(45deg, var(--lapis), var(--lapis) 3px, #fff 3px, #fff 6px);}

  /* ===== Chain of custody tab ===== */
  .flow{display:flex; align-items:stretch; gap:0; margin-top:20px; overflow-x:auto; padding-bottom:8px;}
  .flow-node{flex-shrink:0; width:190px; background:var(--panel); border:1px solid var(--line); border-radius:6px; padding:16px; text-align:center;}
  .flow-node .fn-icon{font-size:26px; margin-bottom:6px;}
  .flow-node b{font-size:13.5px; display:block; margin-bottom:4px;}
  .flow-node span{font-size:11.5px; color:var(--ink-soft);}
  .flow-arrow{flex-shrink:0; width:70px; display:flex; flex-direction:column; align-items:center; justify-content:center; font-family:'JetBrains Mono',monospace; font-size:11px; color:var(--ochre-deep); font-weight:700;}
  .flow-arrow .arrow-line{width:100%; height:2px; background:var(--ochre); position:relative; margin-bottom:4px;}
  .flow-arrow .arrow-line::after{content:"◀"; position:absolute; right:-4px; top:-7px; color:var(--ochre); font-size:12px;}

  /* ===== Remote sensing tab ===== */
  .steps{counter-reset:step; margin-top:16px;}
  .step{position:relative; padding:14px 16px 14px 16px; padding-right:56px; background:var(--panel); border:1px solid var(--line); border-radius:6px; margin-bottom:10px;}
  .step::before{counter-increment:step; content:counter(step); position:absolute; right:14px; top:50%; transform:translateY(-50%); width:28px; height:28px; border-radius:50%; background:var(--lapis); color:#fff; display:flex; align-items:center; justify-content:center; font-family:'JetBrains Mono',monospace; font-weight:700; font-size:13px;}
  .step b{font-size:14px;} .step p{font-size:13px; color:var(--ink-soft); margin:4px 0 0;}
  .step code{background:var(--papyrus-deep); padding:1px 6px; border-radius:3px; font-family:'JetBrains Mono',monospace; font-size:12px; direction:ltr; display:inline-block;}

  .rs-controls{display:flex; align-items:center; gap:14px; flex-wrap:wrap; margin:10px 0;}
  .rs-run-btn{
    font-family:'Tajawal',sans-serif; font-weight:700; font-size:14px;
    padding:11px 22px; border-radius:6px; border:none;
    background:var(--lapis); color:#fff; cursor:pointer;
    box-shadow:0 4px 12px rgba(18,66,143,.25);
    transition:background .15s ease;
  }
  .rs-run-btn:hover{background:var(--lapis-bright);}
  .rs-run-btn:disabled{background:#9a9488; cursor:not-allowed; box-shadow:none;}
  .rs-status{font-size:12.5px; color:var(--ink-soft);}
  .rs-log{
    font-family:'JetBrains Mono',monospace; font-size:11.5px; direction:ltr; text-align:left;
    background:var(--ink); color:#D8CBA8; border-radius:6px; padding:12px 16px;
    max-height:160px; overflow-y:auto; display:none; line-height:1.7;
  }
  .rs-log.show{display:block;}
  .rs-log .ok{color:#7FC97F;} .rs-log .err{color:#E8756A;} .rs-log .info{color:#9AC1E8;}
  .rs-legend{display:flex; align-items:center; gap:10px; margin-top:10px; font-size:12px; color:var(--ink-soft);}
  .rs-legend-bar{flex:1; max-width:240px; height:12px; border-radius:3px; background:linear-gradient(90deg, #123A7A, #7FC9E8, #F2E27A, #E8752A, #7A1A0E);}

  .color-compare{display:flex; align-items:center; justify-content:center; gap:26px; margin:18px 0; flex-wrap:wrap;}
  .cc-side{display:flex; flex-direction:column; align-items:center; gap:8px; max-width:170px;}
  .cc-side canvas{border-radius:6px; border:2px solid var(--line); box-shadow:0 4px 12px rgba(36,28,20,.12); background:#ddd;}
  .cc-side span{font-size:11.5px; color:var(--ink-soft); text-align:center; line-height:1.5;}
  .cc-vs{font-family:'JetBrains Mono',monospace; font-size:22px; font-weight:700; color:var(--gold);}
  .cc-placeholder{font-size:10px;}

  .ptc{
    display:flex; gap:16px; align-items:stretch; margin:16px 0;
    background:linear-gradient(180deg, #F1E4C0, #E9D9AE);
    border-radius:2px; padding:16px;
    box-shadow:0 6px 18px rgba(36,28,20,.15);
    position:relative;
    clip-path:polygon(0% 2%, 3% 0%, 97% 1%, 100% 3%, 99% 97%, 96% 100%, 2% 99%, 1% 96%);
  }
  @media(max-width:640px){.ptc{flex-direction:column;}}
  .ptc-crop{
    flex-shrink:0; width:150px; height:120px; border-radius:2px; overflow:hidden;
    border:1px solid rgba(124,55,20,.3); box-shadow:inset 0 0 12px rgba(0,0,0,.15);
  }
  .ptc-crop canvas{width:100%; height:100%; display:block;}
  .ptc-crop.unavailable{
    display:flex; align-items:center; justify-content:center; text-align:center;
    background:repeating-linear-gradient(135deg, #D3BD87, #D3BD87 8px, #C7AF78 8px, #C7AF78 16px);
    font-size:11px; color:var(--ink-soft); padding:10px;
  }
  .ptc-body{flex:1; display:flex; flex-direction:column; justify-content:center; gap:8px;}
  .ptc-tag{font-family:'JetBrains Mono',monospace; font-size:10.5px; color:var(--ochre-deep); font-weight:700; letter-spacing:.04em;}
  .ptc-en{
    font-family:Georgia,'Times New Roman',serif; font-style:italic; font-size:13.5px;
    color:var(--ink); border-right:2px solid var(--ochre); padding-right:10px; line-height:1.6;
  }
  .ptc-ar{font-size:14.5px; font-weight:700; color:var(--ink); line-height:1.7;}
  .ptc-src{font-size:11px; color:var(--ink-soft); margin-top:2px;}

  /* ===== References tab ===== */
  .refs-list{display:flex; flex-direction:column; gap:10px; margin-top:6px;}

  .methodology{direction:ltr; text-align:left; font-family:Georgia,'Times New Roman',serif; max-width:100%;}
  .methodology h3{
    font-family:'Tajawal',Georgia,serif; font-size:16.5px; font-weight:700; color:var(--ink);
    margin:32px 0 10px; padding-bottom:6px; border-bottom:2px solid var(--ochre);
  }
  .methodology h3:first-child{margin-top:0;}
  .methodology p{font-size:14px; line-height:1.75; color:var(--ink); margin:0 0 14px;}
  .methodology p.lead{font-size:15px; font-style:italic; color:var(--ink-soft);}
  .methodology strong{color:var(--ochre-deep);}
  .methodology .eval-list{margin:0 0 14px; padding-right:0; padding-left:20px;}
  .methodology .eval-list li{font-size:14px; line-height:1.7; margin-bottom:8px; color:var(--ink);}

  .project-info{margin-top:28px; padding-top:2px;}
  .project-info hr{border:none; border-top:1px solid var(--line); margin:0 0 20px;}
  .project-info dl{display:grid; grid-template-columns:150px 1fr; gap:8px 16px; margin:0;}
  .project-info dt{font-size:11.5px; font-weight:700; color:var(--ink-soft); text-transform:uppercase; letter-spacing:.03em;}
  .project-info dd{font-size:12.5px; color:var(--ink); margin:0; line-height:1.6;}
  @media(max-width:600px){.project-info dl{grid-template-columns:1fr;} .project-info dd{margin-bottom:6px;}}

  .accordion-item{border:1px solid var(--line); border-radius:6px; margin-bottom:10px; background:var(--panel); overflow:hidden;}
  .accordion-header{
    width:100%; display:flex; align-items:center; justify-content:space-between;
    padding:14px 18px; background:none; border:none; cursor:pointer; text-align:inherit;
    font-family:inherit; font-size:15.5px; font-weight:700; color:var(--ink);
  }
  .accordion-header:hover{background:rgba(168,80,30,.05);}
  .accordion-icon{font-family:'JetBrains Mono',monospace; font-size:16px; color:var(--ochre); flex-shrink:0; width:20px; text-align:center;}
  .accordion-body{padding:0 18px 18px;}
  .accordion-item.open .accordion-header{border-bottom:1px solid var(--line);}

  .hires-wrap{
    position:relative; width:100%; height:480px; overflow:hidden;
    background:#1a1712; cursor:grab; touch-action:none;
  }
  .hires-wrap.grabbing{cursor:grabbing;}
  .hires-wrap img{
    position:absolute; top:0; left:0; max-width:none;
    transform-origin:0 0; user-select:none; -webkit-user-drag:none;
  }
  .hires-controls{
    display:flex; align-items:center; gap:8px; padding:10px 16px;
    border-top:1px solid var(--line); background:var(--panel);
  }
  .hires-controls button{
    width:32px; height:32px; border-radius:6px; border:1px solid var(--line);
    background:#fff; font-size:16px; font-weight:700; color:var(--ink); cursor:pointer;
  }
  .hires-controls button:hover{background:var(--papyrus-deep);}
  .hires-hint{font-size:11.5px; color:var(--ink-soft); margin-inline-start:auto;}

  /* ---- i18n: language toggle mechanism ---- */
  [hidden]{display:none !important;}
  .lang-switch{
    position:fixed; top:10px; inset-inline-end:14px; z-index:100;
    display:flex; gap:2px; background:var(--panel); border:1px solid var(--line);
    border-radius:20px; padding:3px; box-shadow:0 2px 8px rgba(36,28,20,.15);
  }
  .lang-switch button{
    font-family:'JetBrains Mono',monospace; font-size:11px; font-weight:700;
    border:none; background:none; padding:5px 12px; border-radius:16px; cursor:pointer;
    color:var(--ink-soft); transition:all .15s ease;
  }
  .lang-switch button.active{background:var(--lapis); color:#fff;}
  /* logical properties so accent borders flip correctly between LTR/RTL */
  .disclaimer{border-inline-start:3px solid var(--ochre); border-right:none;}
  .text-explainer{border-inline-start:4px solid var(--gold); border-right:none;}
  .ptc-en{border-inline-start:2px solid var(--ochre); border-right:none; padding-inline-start:10px; padding-right:0;}
  .ref-item{display:flex; gap:10px; font-size:13px; color:var(--ink-soft); padding:12px 16px; background:var(--panel); border:1px solid var(--line); border-radius:4px;}
  .ref-num{font-family:'JetBrains Mono',monospace; font-weight:700; color:var(--ochre-deep); flex-shrink:0;}

  footer{text-align:center; padding:24px; font-size:12px; color:var(--ink-soft); border-top:1px solid var(--line);}
  footer span{direction:ltr; display:inline-block; font-family:'JetBrains Mono',monospace;}

.acc-sub{font-size:13px;margin:16px 0 6px;color:var(--ink-soft);font-weight:700;letter-spacing:.02em}
.acc-sub:first-child{margin-top:0}

/* one language at a time: parallel quotes follow the page language */
html[lang="en"] .ptc-ar{display:none}
html[lang="ar"] .ptc-en{display:none}

.fine{font-size:10.5px;opacity:.55;margin-bottom:6px;line-height:1.5}
.leaflet-control-attribution{font-size:9px!important;opacity:.6;background:rgba(255,255,255,.55)!important}
.leaflet-control-attribution a[href*="leafletjs"]{display:none}

/* ===== GEOTA identity layer (light, papyrus-toned) ===== */
:root{--lapis:#00737d; --lapis-bright:#00a8a3; --g-deep:#10506a; --g-teal:#00808c; --g-gold:#d5a341;}
.gbar{position:sticky; top:0; z-index:100; display:flex; align-items:center; gap:18px; padding:6px 20px; background:var(--panel); border-bottom:1px solid var(--line);}
.gbar-logo{display:flex; align-items:center; margin-inline-end:auto;}
.gbar-logo img{height:32px; width:auto; display:block;}
.gbar-links{display:flex; gap:18px;}
.gbar-links a{color:var(--ink-soft); text-decoration:none; font-size:13px; font-weight:500; font-family:'Space Grotesk','Tajawal',sans-serif;}
.gbar-links a:hover{color:var(--g-teal);}
.gbar .lang-switch{position:static; inset:auto; box-shadow:none;}
.gbar .lang-switch button.active{background:var(--g-teal); color:#fff;}
header .eyebrow{color:var(--g-teal);}
header h1{font-family:'Space Grotesk','Tajawal',sans-serif;}
header h1 span{color:var(--g-gold);}
h2.section-title{font-family:'Space Grotesk','Tajawal',sans-serif;}
footer{background:transparent;}
footer .gfoot-logo{display:inline-block; margin-bottom:10px;}
footer .gfoot-logo img{height:28px; width:auto; display:block; margin:0 auto;}
@media (max-width:560px){.gbar{gap:10px; padding:6px 12px;} .gbar-links{display:none;}}

/* symmetric bar: logo | centred nav | language switch */
.gbar{display:grid; grid-template-columns:1fr auto 1fr; padding:8px 24px;}
.gbar-logo{margin:0; justify-self:start;}
.gbar-logo img{height:40px;}
.gbar-links{justify-self:center;}
.gbar .lang-switch{justify-self:end;}
footer .gfoot-logo img{height:36px;}
@media (max-width:560px){.gbar{grid-template-columns:1fr auto; padding:6px 12px;}}

/* tidy, centred footer: logo / links / sources / licence */
footer{display:flex; flex-direction:column; align-items:center; gap:14px; padding:34px 24px 28px; text-align:center;}
footer .gfoot-logo{margin:0;}
footer .gfoot-logo img{height:40px; margin:0;}
.gfoot-links{display:flex; gap:22px; flex-wrap:wrap; justify-content:center;}
.gfoot-links a{color:var(--ink-soft); text-decoration:none; font-size:13px; font-weight:500; font-family:'Space Grotesk','Tajawal',sans-serif;}
.gfoot-links a:hover{color:var(--g-teal);}
.gfoot-src{font-family:'Space Grotesk','Tajawal',sans-serif; font-size:12px; color:var(--ink-soft); max-width:760px; line-height:1.6; padding-top:14px; border-top:1px solid var(--line); width:100%; max-width:760px;}
footer .fine{max-width:760px; margin:0; font-size:10.5px; opacity:.6;}
.gfoot-src{font-weight:400!important;opacity:.85}

.cite-note{font-size:12.5px;color:var(--ink-soft);margin:14px 0 0;line-height:1.6}