:root{
    --bg:#F5F7FA;
    --bg-card:#FFFFFF;
    --bg-tint:#E8F0FB;
    --ink:#12233D;
    --ink-soft:#4A5A72;
    --primary:#0967C3;
    --primary-light:#4285F5;
    --warm:#F2A93B;
    --warm-deep:#D98A1F;
    --line:#D7E1EE;
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html,body{height:100%;}
  body{
    background:var(--bg); color:var(--ink); font-family:'Inter', sans-serif;
    -webkit-font-smoothing:antialiased; overflow:hidden;
  }
  body.is-expanded{overflow:auto;}
  h1,h2,h3{font-family:'Fraunces', serif; font-weight:600; letter-spacing:-0.01em;}
  a{color:inherit;}
  .eyebrow{
    font-family:'IBM Plex Mono', monospace; font-size:0.68rem; letter-spacing:0.1em;
    text-transform:uppercase; color:var(--primary); display:inline-flex; align-items:center; gap:7px;
  }
  .eyebrow::before{content:""; width:14px; height:1px; background:var(--primary);}
  .eyebrow::after{content:""; width:14px; height:1px; background:var(--primary);}

  .screen{height:100vh; display:flex; flex-direction:column;}
  body.is-expanded .screen{height:auto; min-height:100vh;}

  header{
    display:flex; align-items:center; justify-content:space-between;
    padding:16px 32px; border-bottom:1px solid var(--line); flex-shrink:0;
    position:sticky; top:0; background:var(--bg); z-index:20;
  }
  .brand{display:flex; align-items:center; gap:10px; text-decoration:none;}
  .brand-mark{
    width:36px; height:36px; border-radius:50%; background:var(--primary);
    display:flex; align-items:center; justify-content:center; color:#fff;
    font-family:'Fraunces', serif; font-weight:600; font-size:0.9rem; overflow:hidden; flex-shrink:0;
  }
  .brand-mark img{width:100%; height:100%; object-fit:cover;}
  .brand-name{font-family:'Fraunces', serif; font-weight:600; font-size:0.92rem;}
  .brand-role{display:block; font-family:'IBM Plex Mono', monospace; font-size:0.62rem; color:var(--ink-soft);}
  .btn{
    display:inline-flex; align-items:center; gap:7px; padding:10px 20px; border-radius:8px;
    font-weight:600; font-size:0.85rem; text-decoration:none; border:1px solid transparent; cursor:pointer;
    transition:transform .15s ease;
  }
  .btn:hover{transform:translateY(-1px);}
  .btn:focus-visible{outline:3px solid var(--warm); outline-offset:2px;}
  .btn-warm{background:var(--warm); color:var(--ink); box-shadow:0 4px 12px rgba(242,169,59,.35);}
  .btn-warm:hover{background:var(--warm-deep);}
  .btn-outline{background:transparent; border-color:var(--primary); color:var(--primary);}
  .btn-outline:hover{background:var(--primary); color:#fff;}

  main{
    flex:1; display:grid; grid-template-columns:0.95fr 1.05fr;
    min-height:0;
  }

  /* ---- left: pitch ---- */
  .pitch{
    padding:0 48px; display:flex; flex-direction:column; justify-content:center; gap:18px;
    position:sticky; top:73px; align-self:start; min-height:calc(100vh - 73px);
  }
  .pitch h1{font-size:clamp(1.7rem, 3vw, 2.5rem); line-height:1.1;}
  .pitch h1 em{font-style:normal; color:var(--primary);}
  .pitch p.lead{color:var(--ink-soft); max-width:44ch; font-size:0.98rem;}
  .audience-row{display:flex; gap:10px; flex-wrap:wrap;}
  .chip{
    font-family:'IBM Plex Mono', monospace; font-size:0.7rem; padding:7px 13px;
    border-radius:999px; background:var(--bg-tint); color:var(--primary); border:1px solid var(--line);
    cursor:pointer; transition:background .15s ease, color .15s ease, transform .15s ease;
  }
  .chip:hover{transform:translateY(-1px); background:#DCE9FA;}
  .chip.active{background:var(--primary); border-color:var(--primary); color:#fff;}
  .chip:focus-visible{outline:3px solid var(--warm); outline-offset:2px;}
  .actions{display:flex; gap:12px; margin-top:6px; flex-wrap:wrap;}
  .cta-note{font-size:0.8rem; color:var(--ink-soft); font-style:italic; margin-top:10px; margin-bottom:-2px;}
  .expectation-note{font-size:0.78rem; color:var(--ink-soft); line-height:1.5; max-width:44ch; margin-top:10px;}
  .promo-banner{
    display:flex; align-items:flex-start; gap:10px; background:var(--bg-tint); border:1px solid var(--line);
    border-radius:10px; padding:12px 16px; margin-top:12px; max-width:46ch;
  }
  .promo-banner .promo-icon{font-size:1.1rem; line-height:1.3; flex-shrink:0;}
  .promo-banner p{font-size:0.84rem; color:var(--ink-soft); line-height:1.5;}
  .promo-banner strong{color:var(--ink);}
  .stats-row{display:flex; gap:26px; margin-top:8px;}
  .stats-row b{display:block; font-family:'Fraunces', serif; font-size:1.4rem; color:var(--primary);}
  .stats-row span{font-size:0.74rem; color:var(--ink-soft);}

  /* ---- right: evidence panel ---- */
  .evidence{
    background:var(--bg-tint); border-left:1px solid var(--line);
    padding:32px 32px 40px; display:flex; flex-direction:column; gap:14px;
  }
  .evidence-head{
    flex-shrink:0; display:flex; align-items:flex-start; justify-content:space-between; gap:16px; flex-wrap:wrap;
  }
  .evidence-head h2{font-size:1.05rem;}
  .evidence-head p{font-size:0.8rem; color:var(--ink-soft); margin-top:4px;}
  .evidence-grid{
    display:grid; grid-template-columns:repeat(2, 1fr); gap:14px; align-content:start;
  }
  .show-more{
    flex-shrink:0; margin-top:2px;
    font-family:'IBM Plex Mono', monospace; font-size:0.78rem; letter-spacing:0.02em;
    padding:11px 22px; border-radius:8px; background:var(--bg-card);
    border:1px solid var(--line); color:var(--primary); cursor:pointer;
    transition:background .15s ease, transform .15s ease;
    white-space:nowrap;
  }
  .show-more:hover{background:#fff; transform:translateY(-1px);}
  .show-more:focus-visible{outline:3px solid var(--warm); outline-offset:2px;}
  .mini-card{
    background:var(--bg-card); border:1px solid var(--line); border-radius:14px;
    overflow:hidden; display:flex; flex-direction:column; text-decoration:none;
    transition:transform .12s ease, box-shadow .12s ease;
  }
  .mini-card:hover{transform:translateY(-3px); box-shadow:0 14px 30px rgba(18,35,61,.08);}
  .mini-bar{
    display:flex; align-items:center; gap:8px; padding:10px 14px;
    background:var(--bg-tint); border-bottom:1px solid var(--line); flex-shrink:0;
  }
  .mini-dot{width:7px; height:7px; border-radius:50%; background:#C7D5E5;}
  .mini-url{
    font-family:'IBM Plex Mono', monospace; font-size:0.68rem; color:var(--ink-soft);
    background:#fff; border-radius:5px; padding:2px 8px; flex:1;
    overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
  }
  .mini-body{padding:18px 18px 20px; display:flex; flex-direction:column; gap:10px; flex:1;}
  .mini-card strong{font-family:'Fraunces', serif; font-size:1.05rem; color:var(--ink);}
  .mini-card p{font-size:0.88rem; color:var(--ink-soft); flex:1;}
  .mini-tags{display:flex; gap:6px; flex-wrap:wrap;}
  .mini-tag{
    font-family:'IBM Plex Mono', monospace; font-size:0.66rem; letter-spacing:0.02em;
    padding:3px 9px; border-radius:999px; background:var(--bg-tint); color:var(--primary);
    text-transform:uppercase;
  }
  .mini-link{font-size:0.85rem; font-weight:600; color:var(--primary); margin-top:4px;}

  footer{
    border-top:1px solid var(--line); padding-top:14px; margin-top:6px;
    display:flex; flex-direction:column; align-items:center; justify-content:center; gap:6px; flex-wrap:wrap;
  }
  .legal-links{
    font-family:'IBM Plex Mono', monospace; font-size:9px; letter-spacing:0.03em; color:var(--ink-soft);
    display:flex; align-items:center; gap:6px;
  }
  .legal-links a{color:var(--ink-soft); text-decoration:none; border-bottom:1px solid transparent;}
  .legal-links a:hover{color:var(--primary); border-bottom-color:var(--primary);}
  .legal-sep{color:var(--line);}
  .brand-sig{
    display:flex; align-items:center; justify-content:center; gap:6px;
    font-family:'IBM Plex Mono', monospace; font-size:9px; letter-spacing:0.03em; color:var(--ink-soft);
  }
  .brand-icon{width:14px; height:14px; border-radius:50%; object-fit:cover; flex-shrink:0;}
  .brand-sig a{color:var(--primary); text-decoration:none; border-bottom:1px solid var(--line);}
  .brand-sig a:hover{color:var(--primary-light); border-bottom-color:var(--primary-light);}
  .claude-star{color:var(--warm-deep); font-size:14px; margin:0 6px; display:inline-block;}

  @media(max-width:860px){
    body{overflow:auto;}
    .screen{height:auto; min-height:100vh;}
    main{grid-template-columns:1fr;}
    .pitch{padding:36px 24px; position:static; min-height:0;}
    .evidence{border-left:none; border-top:1px solid var(--line); padding:24px;}
    .evidence-head{flex-direction:column; align-items:stretch;}
    .evidence-grid{grid-template-columns:1fr;}
    .show-more{width:100%; text-align:center;}
  }