:root{
    --ink:#101c29; --ink-2:#16283a;
    --parchment:#f2e8d2; --parchment-dim:#cabf9f;
    --gold:#c9a24b; --gold-bright:#e4c377;
    --wax:#8c2f2f; --wax-bright:#a83b3b;
    --seine:#4a6b85; --line: rgba(201,162,75,0.28);
  }
  *{box-sizing:border-box;}
  html,body{margin:0;padding:0;}
  body{
    background:
      radial-gradient(1200px 700px at 20% -10%, #1c3247 0%, transparent 60%),
      radial-gradient(1000px 600px at 100% 110%, #1a2c3d 0%, transparent 55%),
      var(--ink);
    color:var(--parchment); font-family:'Jost', sans-serif;
    min-height:100vh; display:flex; align-items:flex-start; justify-content:center;
    padding:32px 16px 64px;
  }
  .app{ width:100%; max-width:640px; position:relative; }
  .crest{ display:flex; flex-direction:column; align-items:center; gap:6px; margin-bottom:22px; text-align:center; }
  .crest-logo{ width:440px; max-width:92%; height:auto; display:block; }
  .crest-mark{
    width:52px;height:52px; border:1px solid var(--gold); border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    font-family:'Playfair Display', serif; font-size:20px; color:var(--gold-bright);
    letter-spacing:1px; position:relative;
  }
  .crest-mark::before{ content:''; position:absolute; inset:5px; border:1px solid rgba(201,162,75,0.35); border-radius:50%; }
  .brand{ font-size:11px; letter-spacing:4px; text-transform:uppercase; color:var(--parchment-dim); }
  .brand b{ color:var(--gold-bright); font-weight:500; }

  .card{
    background:linear-gradient(180deg, rgba(242,232,210,0.04), rgba(242,232,210,0.015));
    border:1px solid var(--line); border-radius:2px; padding:38px 32px; position:relative;
    box-shadow: 0 30px 60px -30px rgba(0,0,0,0.6);
  }
  .card::before,.card::after{ content:''; position:absolute; width:18px;height:18px; border:1px solid var(--gold); opacity:0.55; }
  .card::before{top:10px;left:10px;border-right:none;border-bottom:none;}
  .card::after{bottom:10px;right:10px;border-left:none;border-top:none;}

  h1.title{ font-family:'Playfair Display', serif; font-weight:600; font-size:29px; line-height:1.15; margin:0 0 6px; color:var(--parchment); }
  .subtitle{ font-size:13px; letter-spacing:1.5px; text-transform:uppercase; color:var(--gold-bright); margin:0 0 18px; }
  p.lead{ font-size:15px; line-height:1.75; color:rgba(242,232,210,0.86); margin:0 0 16px; }
  .meta-row{ display:flex; gap:22px; flex-wrap:wrap; margin:18px 0 24px; padding:16px 0; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
  .meta-item{font-size:12px; color:var(--parchment-dim);}
  .meta-item span{display:block; color:var(--gold-bright); font-size:12.5px; margin-bottom:3px; letter-spacing:0.5px; text-transform:uppercase;}

  .btn{
    appearance:none; border:1px solid var(--gold); background:transparent; color:var(--gold-bright);
    font-family:'Jost'; font-size:13px; letter-spacing:2px; text-transform:uppercase;
    padding:14px 28px; cursor:pointer; border-radius:1px; transition:all .25s ease; width:100%;
  }
  .btn:hover{background:var(--gold); color:var(--ink);}
  .btn:active{transform:translateY(1px);}
  .btn.secondary{ border-color:rgba(201,162,75,0.4); color:var(--parchment-dim); background:transparent; margin-top:10px; }
  .btn.secondary:hover{background:rgba(201,162,75,0.1); color:var(--gold-bright);}
  .btn.ghost{ border-color:transparent; color:var(--seine); text-decoration:underline; text-underline-offset:3px; width:auto; padding:6px 0; letter-spacing:0.5px; text-transform:none; font-size:13px; }
  .btn.ghost:hover{ background:transparent; color:var(--gold-bright); }

  .rail-wrap{ margin: 6px 0 26px; }
  .rail-svg{ width:100%; height:auto; display:block; }
  .rail-label{ text-align:center; font-size:10.5px; letter-spacing:2px; text-transform:uppercase; color:var(--parchment-dim); margin-top:6px; }

  .stage-eyebrow{ display:flex; align-items:center; gap:10px; font-size:11.5px; letter-spacing:2px; text-transform:uppercase; color:var(--gold-bright); margin-bottom:10px; }
  .stage-eyebrow .num{ width:22px;height:22px;border:1px solid var(--gold);border-radius:50%; display:flex;align-items:center;justify-content:center; font-family:'Playfair Display'; font-size:12px; color:var(--gold-bright); }
  .q-progress{ font-size:11px; color:var(--parchment-dim); letter-spacing:1px; margin-bottom:4px; }

  blockquote.clue{
    font-family:'Playfair Display', serif; font-style:italic; font-size:16px; line-height:1.7; color:var(--parchment);
    border-left:2px solid var(--gold); padding-left:18px; margin:18px 0;
  }

  .panel{ background:rgba(74,107,133,0.08); border:1px solid rgba(74,107,133,0.25); border-radius:1px; padding:16px 18px; margin:16px 0; }
  .panel .tag{ font-size:10.5px; letter-spacing:2px; text-transform:uppercase; color:var(--seine); margin-bottom:8px; }
  .panel p{ font-size:13.5px; line-height:1.7; color:rgba(242,232,210,0.82); margin:0 0 8px; }
  .panel p:last-child{ margin-bottom:0; }
  .panel ol,.panel ul{ margin:6px 0 0; padding-left:18px; font-size:13.5px; line-height:1.8; color:rgba(242,232,210,0.82); }
  .panel .landmark{ margin-top:10px; font-size:12.5px; color:var(--gold-bright); font-style:italic; }

  details.context{ margin:14px 0 4px; }
  details.context summary{
    cursor:pointer; font-size:12px; letter-spacing:1px; text-transform:uppercase; color:var(--seine);
    list-style:none; display:flex; align-items:center; gap:6px;
  }
  details.context summary::before{ content:'✦'; color:var(--seine); font-size:10px; }
  details.context summary::-webkit-details-marker{ display:none; }
  details.context[open] summary{ color:var(--gold-bright); }
  details.context .context-body{ font-size:13.5px; line-height:1.75; color:rgba(242,232,210,0.78); padding:10px 2px 4px 16px; border-left:1px solid var(--line); margin-top:8px; }

  label.field-label{ display:block; font-size:11px; letter-spacing:1.5px; text-transform:uppercase; color:var(--parchment-dim); margin-bottom:8px; }
  input.answer{
    width:100%; background:rgba(0,0,0,0.18); border:1px solid var(--line); color:var(--parchment);
    font-family:'Jost'; font-size:15px; padding:13px 14px; border-radius:1px; outline:none; transition:border-color .2s ease;
  }
  input.answer:focus{ border-color:var(--gold); }
  input.answer::placeholder{ color:rgba(242,232,210,0.35); }

  .hint-log{ margin-top:14px; display:flex; flex-direction:column; gap:8px; }
  .hint-item{
    font-size:13px; line-height:1.6; color:var(--parchment-dim);
    padding:10px 13px; background:rgba(74,107,133,0.12); border-left:2px solid var(--seine);
    animation: fadein .4s ease;
  }
  .hint-item .hn{ color:var(--seine); font-size:10.5px; letter-spacing:1.5px; text-transform:uppercase; display:block; margin-bottom:3px; }

  .feedback{ margin-top:14px; font-size:14px; line-height:1.6; display:none; }
  .feedback.show{ display:block; animation: fadein .4s ease; }
  .feedback.correct{ color:var(--gold-bright); font-family:'Playfair Display', serif; font-style:italic; font-size:16px; }
  .feedback.retry{ color:#d99a9a; }

  .funfact{ margin-top:12px; font-size:13.5px; line-height:1.7; color:rgba(242,232,210,0.75); display:none; }
  .funfact.show{ display:block; animation:fadein .5s ease; }

  .enrichment{ display:none; margin-top:20px; padding-top:18px; border-top:1px solid var(--line); }
  .enrichment.show{ display:block; animation: fadein .5s ease; }
  .enrichment .tag{ font-size:10.5px; letter-spacing:2px; text-transform:uppercase; color:var(--seine); margin-bottom:8px; }
  .enrichment p{ font-size:14.5px; line-height:1.75; color:rgba(242,232,210,0.82); margin:0 0 10px; }

  @keyframes fadein{ from{opacity:0; transform:translateY(6px);} to{opacity:1; transform:translateY(0);} }
  .actions{ margin-top:22px; display:flex; flex-direction:column; gap:0; }
  .reveal-row{ margin-top:10px; text-align:center; }

  .final-flourish{ text-align:center; margin-top:8px; }
  .final-flourish .motto{ font-family:'Playfair Display', serif; font-style:italic; font-size:19px; color:var(--gold-bright); margin:22px 0 4px; }
  .final-flourish .motto-en{ font-size:12px; color:var(--parchment-dim); letter-spacing:0.5px; }

  .top-note{ text-align:center; font-size:11px; color:var(--parchment-dim); letter-spacing:1px; margin-top:18px; }

  .faq-toggle{
    display:block; margin:22px auto 0; text-align:center; background:none; border:none;
    color:var(--seine); font-size:12px; letter-spacing:1.5px; text-transform:uppercase; cursor:pointer;
  }
  .faq-toggle:hover{ color:var(--gold-bright); }
  .faq-panel{ display:none; margin-top:14px; }
  .faq-panel.show{ display:block; animation:fadein .4s ease; }
  .faq-item{ margin-bottom:14px; }
  .faq-item .q{ font-size:13px; color:var(--gold-bright); margin-bottom:4px; font-weight:500; }
  .faq-item .a{ font-size:13px; line-height:1.7; color:rgba(242,232,210,0.78); }

  @media (max-width:480px){ .card{padding:26px 20px;} h1.title{font-size:24px;} }