:root{
      /* ===== RED + GOLD THEME (matches site) ===== */
      --bg:#12060a;
      --bg2:#0b0507;
      --text:#fff6e5;
      --muted:#ffdca6;
      --subtle: rgba(255,246,229,.78);

      --gold:#FFD84A;
      --gold2:#f2c94c;
      --red:#b3122a;
      --red2:#7b0b1d;

      --panel: rgba(255, 255, 255, .055);
      --panel2: rgba(255, 255, 255, .032);
      --shadow: 0 14px 40px rgba(0,0,0,.45);
      --radius: 18px;
      --max: 980px;

      --focus: 0 0 0 4px rgba(255,216,74,.40);

      --markerText: rgba(255,216,74,.95);
      --brightYellow: var(--gold);

      
}

    *{box-sizing:border-box}
    html,body{height:100%}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
      background:
        radial-gradient(900px 700px at 0% 50%, rgba(179,18,42,.32), transparent 60%),
        radial-gradient(900px 700px at 100% 50%, rgba(255,216,74,.18), transparent 60%),
        linear-gradient(90deg, var(--bg2) 0%, var(--bg) 50%, var(--bg2) 100%);
      background-attachment: fixed;
      color:var(--text);
      line-height:1.5;
    }
    a{color:inherit}
    code{font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;}

    /* ===== HEADER (non-scrolling) + allow logo overlap ===== */
    header{
      position:fixed;
      top:0; left:0; right:0;
      z-index:10;
      overflow:visible;               /* critical so logo can overlap onto scrolling content */
      backdrop-filter: blur(12px);
      background: rgba(14,6,8,.68);
      border-bottom: 1px solid rgba(255,255,255,.10);
    }

    /* ===== MAIN SITE LOGO patch (same behavior as landing page) ===== */
    .nav-logo{
      position:absolute;
      left:12px;
      top:15px;                      /* pull up so it overlaps the header + page */
      z-index:999;
      display:flex;
      align-items:flex-end;
      gap:10px;
    }
    .nav-logo-img{
      width:auto;
      max-width:none;
      display:block;
      background:transparent;
      padding:0;
      border-radius:0;
      box-shadow:none;
      height:140px;                   /* match landing page logo patch size */
    }

    .nav{
      max-width: var(--max);
      margin:0 auto;
      padding: .8rem 1rem;
      display:flex; align-items:center; justify-content:space-between; gap:.8rem;
    }

    .brand{display:flex; align-items:center; gap:.7rem;}

    /* ===== Brand stack to match landing page style ===== */
    .brandText{
      display:flex;
      flex-direction:column;
      line-height:1.05;
    }
    .brandKicker{
      font-size:.68rem;
      font-weight:900;
      letter-spacing:.08em;
      text-transform:uppercase;
      color: rgba(255,246,229,.70);
    }

    .brandTitle{font-weight:1000}
    .brandSub{
      font-size:.9rem;
      font-weight:500;
      color: rgba(255,246,229,.72);
      margin-top:.08rem;
    }

    .columnIcon{
      width:34px; height:34px;
      display:grid; place-items:center;
      border-radius:12px;
      border:1px solid rgba(255,216,74,.28);
      background: linear-gradient(135deg, rgba(179,18,42,.30), rgba(255,216,74,.16));
      box-shadow: 0 10px 22px rgba(0,0,0,.45);
      flex:0 0 auto;
    }
    .columnIcon svg{width:22px; height:22px; display:block}
    .columnIcon .g{fill: rgba(255,216,74,.95)}
    .columnIcon .r{fill: rgba(179,18,42,.85)}

.columnIcon img{
  width: 70%;
  height: 70%;
  object-fit: contain;
  display: block;
}

    .nav a.btn{
      text-decoration:none;
      display:inline-flex; align-items:center; gap:.5rem;
      padding:.55rem .85rem;
      border-radius: 999px;
      border:1px solid rgba(255,255,255,.16);
      background: rgba(255,255,255,.06);
      transition: transform .12s ease, background .12s ease, border-color .12s ease;
      white-space:nowrap;
    }
    .nav a.btn:hover{transform: translateY(-1px); background: rgba(255,255,255,.09); border-color: rgba(255,216,74,.35)}
    .nav a.btn:focus{outline:none; box-shadow:var(--focus)}

    main{max-width: var(--max); margin:0 auto; padding: 110px 1rem 4rem;}
    .card{
      background: linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.032));
      border:1px solid rgba(255,255,255,.12);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }
    .tiny{font-size:.92rem; color: rgba(255,246,229,.72)}
    h2{margin:.15rem 0 .6rem; font-size:1.25rem; letter-spacing:-.2px}

    /* Hero */
    .hero{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap:1.1rem;
      align-items:stretch;
      margin-top:1rem;
    }
    @media (max-width: 860px){ .hero{grid-template-columns:1fr} }
    .hero-left{padding:1.2rem 1.2rem 1.1rem}
    .kicker{
      display:inline-flex; gap:.5rem; align-items:center;
      padding:.25rem .6rem;
      border-radius: 999px;
      background: rgba(179,18,42,.22);
      border: 1px solid rgba(255,216,74,.25);
      color: rgba(255,216,74,.92);
      font-weight:1000;
      font-size:.92rem;
    }
    h1{
      margin:.65rem 0 .35rem;
      font-size: clamp(1.8rem, 3.4vw, 2.6rem);
      line-height:1.1;
      letter-spacing:-.5px;
    }
    .sub{margin:0 0 .9rem; color: var(--subtle); font-size:1.04rem; max-width: 60ch;}

    .callout{
      padding:.75rem .85rem;
      border-radius: 14px;
      background: rgba(255,216,74,.10);
      border: 1px solid rgba(255,216,74,.26);
      color: rgba(255,246,229,.94);
      font-weight:750;
    }
    .callout .label{font-weight:1000}
    .callout .value{font-weight:700}

    /* Big Idea (match Tiberius) */
.bigIdeaWrap{margin-top:.8rem}

.bigIdeaGraphic{
  width:150px;
  height:92px;
  margin: .2rem auto .35rem;
  background: none;
  border: none;
  padding: 0;
  min-height: 0;
  display:block;
}

.bigIdeaGraphic img{
  width:150px;
  height:92px;
  display:block;
  object-fit:contain;
}

.bigIdeaText{
  margin-top:.1rem;
  color: var(--brightYellow);
  font-weight:1000;
  background: none;
  border: none;
  padding: 0;
  border-radius: 0;
}


    /* Right card (match Tiberius) */
.hero-right{
  padding: 1rem;
  display: grid;
  gap: .55rem;
}

.portraitWrap{
  display: grid;
  gap: .55rem;
}


.portrait{
  aspect-ratio: 1 / 1;
  width:100%;
  border-radius: calc(var(--radius) - 4px);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.12);
  background:
    radial-gradient(700px 320px at 18% 0%, rgba(179,18,42,.20), transparent 55%),
    radial-gradient(700px 320px at 86% 20%, rgba(255,216,74,.16), transparent 55%),
    linear-gradient(135deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  display:grid;
  place-items:center;
}

.portrait img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}


    /* Prev/Next (match Tiberius) */
.portraitButtons{
  display:flex;
  justify-content:space-between;
  align-items:stretch;
  gap:.5rem;
  margin-top:.45rem;
}

.pbtn{
  width: calc((100% - 1rem) / 3);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:.22rem;
  padding:.48rem .55rem .52rem;
height: 56px;

  border-radius: 12px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  font-size:.82rem;
  font-weight:1000;
  text-decoration:none;
  line-height:1.15;
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
  min-height: 0;
}

.pbtn:hover{
  background: rgba(255,255,255,.09);
  transform: translateY(-1px);
  border-color: rgba(255,216,74,.28);
}

.pbtn:focus{outline:none; box-shadow: var(--focus)}

.pbtnTop{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:.4rem;
  width:100%;
  text-align:center;
  font-weight:1000;
}

.pbtnTop .label{
  text-decoration: underline;
  text-underline-offset: 3px;
}

.pbtnTop .emoji{ text-decoration:none; }

.pbtnSub{
  font-size:.78rem;
  font-weight:900;
  color: rgba(255,246,229,.55);
  text-align:center;
  margin-top:.05rem;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  max-width:100%;
}

.pbtn.spacer{
  visibility: hidden;
  pointer-events: none;
}

.pbtn.is-hidden{
  visibility: hidden;
  pointer-events: none;
}


    /* Tags row */
    .pillrow{display:flex; flex-wrap:wrap; gap:.5rem; margin-top:.95rem}
    .pill{
      display:inline-flex;
      align-items:center;
      gap:.4rem;
      padding:.33rem .62rem;
      border-radius: 999px;
      background: rgba(255,255,255,.05);
      border: 1px solid rgba(255,255,255,.13);
      font-weight:900;
      font-size:.92rem;
    }

.jumpRow{
  display:flex;
  justify-content:center;
  margin-top:.35rem;
}

    /* Sections */
    .full{margin-top: 1rem}
    .section{padding:1.1rem 1.2rem}
    .section h3{margin: .95rem 0 .4rem}
    .section p{margin:.5rem 0; color: rgba(255,246,229,.86)}
    .grid{
      margin-top:1rem;
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:1rem;
    }
    @media (max-width: 860px){ .grid{grid-template-columns:1fr} }

    /* Did you know feature (match Tiberius) */
.didYouKnow{
  margin-top: 1rem;
  padding: 1.1rem 1.1rem 1.15rem;
  border-radius: var(--radius);
  border: 1px solid rgba(255,216,74,.22);
  background: linear-gradient(135deg, rgba(123,11,29,.55), rgba(179,18,42,.26));
  box-shadow: 0 16px 44px rgba(0,0,0,.48);
  text-align:center;
  display:block;
}

.didYouKnow .dykImg{
  width: 200px;
  height: 78px;
  margin: 0 auto .45rem;
  background:none;
  border:none;
  padding:0;
  min-height:0;
  display:block;
}

.didYouKnow .dykImg img{
  width:200px;
  height:78px;
  display:block;
  object-fit:contain;
}

.didYouKnow .fact{
  color: rgba(255,216,74,.98);
  font-weight:1000;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height:1.25;
  text-shadow: 0 2px 16px rgba(0,0,0,.55);
  padding: 0;
  border: 0;
  background: none;
}


    /* Quick facts */
    .factsList{display:grid; gap:.55rem}
    .factItem{
      background: rgba(255,255,255,.03);
      border: 1px solid rgba(255,255,255,.10);
      border-radius: 14px;
      padding:.55rem .7rem;
      color: rgba(255,246,229,.90);
    }

    /* Vocabulary */
    .vocab{display:grid; gap:.55rem}
    .term{
      background: rgba(179,18,42,.10);
      border: 1px solid rgba(179,18,42,.22);
      border-radius: 14px;
      padding:.55rem .7rem;
      color: rgba(255,246,229,.90);
    }

    /* Hover definitions */
    .vocabWord{
      position:relative;
      font-weight:900;
      color: var(--brightYellow);
      cursor: help;
      text-decoration: underline;
      text-underline-offset: 3px;
      text-decoration-thickness: 2px;
    }
    .vocabWord::after{
      content: attr(data-def);
      position:absolute;
      left: 0;
      bottom: calc(100% + 10px);
      width: min(320px, 70vw);
      background: rgba(0,0,0,.88);
      border: 1px solid rgba(255,216,74,.35);
      border-radius: 12px;
      padding: .65rem .75rem;
      color: rgba(255,246,229,.95);
      font-weight: 700;
      line-height: 1.35;
      box-shadow: 0 14px 30px rgba(0,0,0,.55);
      opacity:0;
      transform: translateY(4px);
      pointer-events:none;
      transition: opacity .12s ease, transform .12s ease;
      z-index: 5;
    }
    .vocabWord:hover::after{opacity:1; transform: translateY(0)}
    .vocabWord::before{
      content:"";
      position:absolute;
      left: 18px;
      bottom: calc(100% + 3px);
      border-width: 7px 7px 0 7px;
      border-style: solid;
      border-color: rgba(0,0,0,.88) transparent transparent transparent;
      opacity:0;
      transition: opacity .12s ease;
      z-index: 6;
    }
    .vocabWord:hover::before{opacity:1}

    /* Timeline iframe embed */
    .timeline-embed{margin-top:1rem}
    .timeline-frame{
      width:100%;
      border:0;
      border-radius: 18px;
      box-shadow: var(--shadow);
      background: rgba(255,255,255,.03);
      height: 820px;        /* ← THIS fixes the cutoff */
      display:block;
    }

    /* Footer */
    .site-footer{
      margin-top:0;
      padding:18px 1rem 40px;
      color: rgba(255,246,229,.78);
    }


    .footer-rule{
      border:none;
      height:1px;
      margin: 0 auto 16px;
      max-width: var(--max);
      background: linear-gradient(90deg, transparent, rgba(255,255,255,.35), transparent);
    }
    .footer-inner{
      max-width: var(--max);
      margin:0 auto;
      display:flex;
      align-items:center;
      gap: 16px;
      flex-wrap:wrap;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap: 10px;
    }
    .footer-logo-icon{height:40px; width:auto; display:block}
    .footer-logo-text{height:22px; width:auto; display:block; opacity:.9}
    .footer-copy{font-size:13px; line-height:1.4}
    .footer-site{font-weight: 900}

    @media (max-width: 640px){
      .footer-inner{flex-direction:column; align-items:flex-start; gap:12px}
      .footer-logo-icon{height:36px}
      .footer-logo-text{height:20px}
    }

#timeline{
  scroll-margin-top: 140px;
}