:root{
    --bg:var(--gray-0); --bg-2:var(--gray-20); --panel:var(--gray-0);
    --text:var(--gray-750); --text-2:var(--gray-500); --text-3:var(--gray-300);
    --brand:var(--violet-400);
    --line:color-mix(in srgb, var(--gray-900) 8%, transparent); --line-strong:color-mix(in srgb, var(--gray-900) 12%, transparent);
    --hover:color-mix(in srgb, var(--gray-750) 4.5%, transparent);
    --scrim:color-mix(in srgb, var(--gray-850) 28%, transparent);
    --shadow-panel:0 0 0 1px color-mix(in srgb, var(--gray-900) 6%, transparent), 0 4px 10px color-mix(in srgb, var(--gray-900) 4%, transparent), 0 16px 40px color-mix(in srgb, var(--gray-900) 8%, transparent);
    --shadow-float:0 0 0 1px color-mix(in srgb, var(--gray-900) 5%, transparent), 0 2px 6px color-mix(in srgb, var(--gray-900) 5%, transparent), 0 12px 32px color-mix(in srgb, var(--gray-900) 10%, transparent);
    --ease-out:cubic-bezier(.16,1,.3,1);
    --ease-exit:cubic-bezier(.215,.61,.355,1);
    --ease-spring:cubic-bezier(.34,1.26,.64,1);
  }
  html[data-theme="dark"]{
    --bg:var(--gray-900); --bg-2:var(--gray-880); --panel:var(--gray-870);
    --text:var(--gray-20); --text-2:var(--gray-350); --text-3:var(--gray-550);
    --brand:var(--violet-450);
    --line:color-mix(in srgb, var(--gray-0) 8%, transparent); --line-strong:color-mix(in srgb, var(--gray-0) 14%, transparent);
    --hover:color-mix(in srgb, var(--gray-0) 5.5%, transparent);
    --scrim:color-mix(in srgb, var(--gray-900) 50%, transparent);
    --shadow-panel:0 0 0 1px color-mix(in srgb, var(--gray-0) 7%, transparent), 0 4px 10px color-mix(in srgb, var(--gray-900) 40%, transparent), 0 16px 40px color-mix(in srgb, var(--gray-900) 50%, transparent);
    --shadow-float:0 0 0 1px color-mix(in srgb, var(--gray-0) 8%, transparent), 0 2px 6px color-mix(in srgb, var(--gray-900) 40%, transparent), 0 12px 32px color-mix(in srgb, var(--gray-900) 55%, transparent);
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{color-scheme:light dark}
  body{
    font-family:var(--font);
    font-feature-settings:"cv01","ss03";
    background:var(--bg); color:var(--text);
    -webkit-font-smoothing:antialiased;
    min-height:200vh;
  }
  button{font:inherit;color:inherit;background:none;border:0;cursor:default}
  input{font:inherit;color:inherit}
  a{color:inherit;text-decoration:none}
  ::selection{background:color-mix(in srgb, var(--brand) 25%, transparent)}
  .variant{display:none}
  .variant.on{display:block}

  /* page stub */
  main{padding:180px 24px 0;max-width:1080px;margin:0 auto}
  .kicker{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:550;color:var(--text-2);border:1px solid var(--line);border-radius:99px;padding:5px 12px 5px 6px;margin-bottom:28px}
  .kicker .pill{background:var(--brand);color:var(--gray-0);border-radius:99px;padding:2px 8px;font-size:11px;font-weight:550}
  h1{font-size:64px;font-weight:500;letter-spacing:-1.408px;line-height:1.06;max-width:14ch;text-wrap:balance}
  .sub{margin-top:22px;font-size:15px;line-height:1.55;color:var(--text-2);max-width:52ch;text-wrap:pretty}
  .fold{height:60vh}


  @media (prefers-reduced-motion: reduce){
    *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  }
  /* =================================================================
     A · ISLAND — one floating capsule that morphs into the menu
     ================================================================= */
  #island{
    position:fixed;top:16px;left:50%;z-index:300;
    transform:translateX(-50%);
    width:var(--iw,auto); height:var(--ih,52px);
    background:var(--panel);
    border-radius:var(--ir,12px);
    box-shadow:var(--shadow-float);
    overflow:hidden;
    transition:
      width .42s var(--ease-spring),
      height .42s var(--ease-spring),
      border-radius .42s var(--ease-spring);
  }
  .isl-bar{height:52px;display:flex;align-items:center;gap:2px;padding:0 8px 0 14px;white-space:nowrap}
  .isl-logo{display:flex;align-items:center;gap:9px;font-weight:550;font-size:15px;letter-spacing:-.15px;margin-right:12px}
  .isl-mark{width:20px;height:20px;border-radius:6px;background:linear-gradient(135deg,var(--brand),color-mix(in srgb,var(--brand) 60%, var(--violet-300)))}
  .isl-link{height:34px;padding:0 12px;border-radius:9999px;font-size:13px;font-weight:500;color:var(--text-2);transition:color .15s,background .15s}
  .isl-link:is(:hover, [data-hover]),.isl-link[aria-expanded="true"]{color:var(--text);background:var(--hover)}
  .isl-link:focus-visible{outline:2px solid var(--brand);outline-offset:-1px}
  .isl-cta{height:34px;padding:0 15px;border-radius:9999px;background:var(--text);color:var(--bg);font-size:13px;font-weight:500;margin-left:8px;transition:opacity .15s}
  .isl-cta:is(:hover, [data-hover]){opacity:.88}
  .isl-body{
    position:absolute;top:52px;left:0;right:0;
    padding:4px 8px 8px;
    opacity:0;pointer-events:none;
    transition:opacity .18s var(--ease-exit);
  }
  #island.open .isl-body.active{opacity:1;pointer-events:auto}
  .isl-sep{height:1px;background:var(--line);margin:0 8px 6px}
  .isl-item{
    display:grid;grid-template-columns:30px 1fr auto;align-items:center;column-gap:11px;
    padding:8px 10px;border-radius:12px;
    opacity:0;transform:translateY(6px);
    transition:background .12s;
  }
  #island.open .isl-body.active .isl-item{
    opacity:1;transform:translateY(0);
    transition:opacity .3s var(--ease-exit) var(--d,0s), transform .38s var(--ease-out) var(--d,0s), background .12s;
  }
  .isl-item:is(:hover, [data-hover]){background:var(--hover)}
  .isl-item:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}
  .isl-ic{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;background:var(--bg-2);box-shadow:inset 0 0 0 1px var(--line);color:var(--text-2)}
  .isl-item:is(:hover, [data-hover]) .isl-ic{color:var(--brand)}
  .isl-name{font-size:13px;font-weight:550;letter-spacing:-.1px}
  .isl-desc{font-size:12px;color:var(--text-2);margin-top:1px}
  .isl-num{font-size:11px;font-weight:500;color:var(--text-3);font-variant-numeric:tabular-nums}
  .isl-row{display:flex;flex-wrap:wrap;gap:2px;padding:2px 6px 0}
  .isl-chip{font-size:12px;font-weight:500;color:var(--text-2);padding:6px 10px;border-radius:99px;transition:background .12s,color .12s;opacity:0;transform:translateY(6px)}
  #island.open .isl-body.active .isl-chip{opacity:1;transform:translateY(0);transition:opacity .3s var(--ease-exit) var(--d,0s), transform .38s var(--ease-out) var(--d,0s), background .12s, color .12s}
  .isl-chip:is(:hover, [data-hover]){color:var(--text);background:var(--hover)}