*{box-sizing:border-box}
  html,body{margin:0;padding:0}
  body{
    background:var(--bg);color:var(--ink);
    font-family:"Nunito Sans",system-ui,sans-serif;font-size:16px;line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  .wrap{max-width:960px;margin:0 auto;padding:40px 24px 80px}

  header.hero{text-align:center;margin-bottom:14px}
  .hero .pup{width:110px;height:110px;margin:0 auto 6px}
  h1{
    font-family:"Fredoka",sans-serif;font-weight:600;font-size:2.4rem;margin:0 0 6px;letter-spacing:.01em;
  }
  h1 .ai{color:var(--acc-ink);font-weight:500}
  .subtitle{color:var(--ink-soft);max-width:56ch;margin:0 auto 8px}
  .vtag{
    font-family:"IBM Plex Mono",monospace;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;
    color:var(--acc-ink);background:var(--acc-soft);border-radius:6px;padding:3px 10px;
  }

  section{margin-top:52px}
  h2{
    font-family:"Fredoka",sans-serif;font-weight:500;font-size:1.45rem;margin:0 0 4px;
    display:flex;align-items:center;gap:10px;
  }
  h2 .n{
    font-family:"IBM Plex Mono",monospace;font-size:.72rem;color:var(--acc-ink);
    background:var(--acc-soft);border-radius:6px;padding:2px 8px;position:relative;top:-1px;
  }
  .sec-lead{color:var(--ink-soft);max-width:70ch;margin:0 0 20px}
  h3{font-size:1rem;font-weight:800;margin:22px 0 6px}
  p{max-width:70ch}

  .card{background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:22px}
  .grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
  @media (max-width:680px){.grid2{grid-template-columns:1fr}}

  /* logo section */
  .logo-stage{display:grid;place-items:center;padding:36px 20px;background:var(--surface-2);border-radius:12px;margin-bottom:14px}
  .wordmark-demo{font-family:"Fredoka",sans-serif;font-weight:600;font-size:3rem;display:flex;align-items:center;gap:14px}
  .wordmark-demo .ai{color:var(--acc-ink);font-weight:500}
  .wordmark-demo svg{width:64px;height:64px}
  .spec{font-family:"IBM Plex Mono",monospace;font-size:.72rem;color:var(--ink-soft)}

  /* swatches */
  .swatches{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin:14px 0}
  .sw{border:1px solid var(--line);border-radius:13px;overflow:hidden;background:var(--surface)}
  .sw .chip{height:64px}
  .sw .meta{padding:9px 12px}
  .sw .nm{font-weight:800;font-size:.82rem}
  .sw .hex{font-family:"IBM Plex Mono",monospace;font-size:.72rem;color:var(--ink-soft)}

  /* type specimens */
  .spec-row{display:flex;align-items:baseline;gap:18px;padding:13px 0;border-bottom:1px dashed var(--line);flex-wrap:wrap}
  .spec-row:last-child{border-bottom:none}
  .spec-label{flex:0 0 150px;font-family:"IBM Plex Mono",monospace;font-size:.7rem;color:var(--ink-soft)}
  .sp-display{font-family:"Fredoka",sans-serif;font-weight:600;font-size:1.9rem}
  .sp-h{font-family:"Fredoka",sans-serif;font-weight:500;font-size:1.3rem}
  .sp-body{font-size:1rem}
  .sp-mono{font-family:"IBM Plex Mono",monospace;font-size:.85rem}

  /* do / don't */
  .dd{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
  @media (max-width:680px){.dd{grid-template-columns:1fr}}
  .do,.dont{border-radius:14px;padding:16px 18px;border:1px solid var(--line)}
  .do{background:var(--dino-soft)}
  .dont{background:var(--starter-soft)}
  .do h4,.dont h4{
    margin:0 0 8px;font-size:.72rem;letter-spacing:.13em;text-transform:uppercase;font-weight:800;
  }
  .do h4{color:var(--dino-ink)} .dont h4{color:var(--starter-ink)}
  .do p,.dont p{margin:0 0 8px;font-size:.88rem}
  .do p:last-child,.dont p:last-child{margin-bottom:0}

  /* voice examples */
  .say-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:10px}
  @media (max-width:680px){.say-pair{grid-template-columns:1fr}}
  .bubble{background:var(--surface-2);border:1px solid var(--line);border-radius:14px;padding:12px 16px;font-size:.9rem}
  .bubble .who{display:block;font-size:.68rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin-bottom:5px}
  .bubble.yes .who{color:var(--dino-ink)} .bubble.no .who{color:var(--starter-ink)}

  /* sound table */
  .soundlist{display:grid;gap:8px;margin-top:12px}
  .snd{display:flex;gap:14px;align-items:baseline;padding:10px 14px;background:var(--surface-2);border-radius:11px}
  .snd .nm{font-weight:800;flex:0 0 130px;font-size:.85rem}
  .snd .desc{color:var(--ink-soft);font-size:.85rem}

  /* light bar demo */
  .bar-demo{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-top:12px}
  .demo-box{
    width:84px;height:84px;border-radius:16px;border:3px solid var(--dino);background:var(--dino-soft);
    display:grid;place-items:center;font-size:2rem;position:relative;
    box-shadow:inset 0 -5px 0 rgba(0,0,0,.12);
  }
  .demo-box .lb{position:absolute;top:6%;left:9%;right:9%;height:7px;border-radius:4px;background:rgba(0,0,0,.2);overflow:hidden}
  .demo-box .lb i{display:block;height:100%;border-radius:4px;background:var(--dino);box-shadow:0 0 8px var(--dino)}
  footer{margin-top:60px;padding-top:20px;border-top:1px solid var(--line);font-size:.78rem;color:var(--ink-soft);text-align:center}
  @media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important}}