/* OpenThomas — instrument panel at a weather station, before dawn.
   frost = what the market believes.  mercury = what the agent believes.
   The gap between them is the whole product, so it is the only loud thing here. */

@font-face { font-family: "Plex Mono"; src: url(fonts/plexmono-400.woff2) format("woff2");
             font-weight: 400; font-display: swap; }
@font-face { font-family: "Plex Mono"; src: url(fonts/plexmono-500.woff2) format("woff2");
             font-weight: 500; font-display: swap; }
@font-face { font-family: "Plex Mono"; src: url(fonts/plexmono-600.woff2) format("woff2");
             font-weight: 600; font-display: swap; }
@font-face { font-family: "Source Serif"; src: url(fonts/sourceserif4-var.woff2) format("woff2");
             font-weight: 300 700; font-display: swap; }

:root {
  --ink:     #0d141a;
  --panel:   #151e26;
  --rule:    #26333d;
  --vapor:   #93a4b0;
  --paper:   #e9eff3;
  --mercury: #e8703a;
  --frost:   #5fb3d9;
  --ember:   #c0554b;

  --mono: "Plex Mono", ui-monospace, "SF Mono", "Cascadia Mono", monospace;
  --serif: "Source Serif", "Iowan Old Style", Palatino, Charter, serif;

  --gut: clamp(20px, 5vw, 64px);
  --wide: 1180px;
  --lab: 10.5px;   /* label size, uppercase, tracked */
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font: 400 16px/1.6 var(--mono);
  font-feature-settings: "ss01";
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration-color: var(--rule); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--mercury); }

:focus-visible { outline: 2px solid var(--mercury); outline-offset: 3px; border-radius: 2px; }

/* --- status strip ------------------------------------------------------------ */
.strip {
  border-bottom: 1px solid var(--rule);
  background: color-mix(in srgb, var(--ink) 86%, transparent);
  backdrop-filter: blur(6px);
  position: sticky; top: 0; z-index: 10;
}
.strip-in {
  max-width: var(--wide); margin: 0 auto; padding: 9px var(--gut);
  display: flex; align-items: center; gap: 10px;
  font-size: var(--lab); letter-spacing: .14em; text-transform: uppercase;
  color: var(--vapor);
}
.strip-sep { color: var(--rule); }
.strip-feed { margin-left: auto; text-decoration: none; color: var(--vapor); }
.strip-feed:hover { color: var(--paper); }

.pulse { width: 6px; height: 6px; border-radius: 50%; background: var(--mercury); flex: none;
         box-shadow: 0 0 0 0 color-mix(in srgb, var(--mercury) 70%, transparent);
         animation: pulse 2.6s ease-out infinite; }
@keyframes pulse { 70%, 100% { box-shadow: 0 0 0 7px transparent; } }

/* --- masthead ---------------------------------------------------------------- */
main { max-width: var(--wide); margin: 0 auto; padding: 0 var(--gut); }

.mast {
  display: flex; flex-wrap: wrap; gap: 32px; justify-content: space-between;
  align-items: flex-end; padding: clamp(48px, 9vw, 104px) 0 clamp(40px, 6vw, 64px);
}
.mast-id { max-width: 34em; }
h1 {
  font: 600 clamp(34px, 5.4vw, 60px)/1 var(--mono);
  letter-spacing: -.045em; margin: 0 0 20px;
}
.mast-sub { font: 400 clamp(16px, 1.5vw, 19px)/1.62 var(--serif); color: var(--vapor);
            margin: 0; max-width: 30em; text-wrap: pretty; }
.mast-sub em { color: var(--paper); font-style: italic; }

.mast-value { text-align: right; }
.mast-num { font: 500 clamp(28px, 3.6vw, 40px)/1 var(--mono); letter-spacing: -.035em;
            font-variant-numeric: tabular-nums; }
.mast-delta { margin-top: 10px; font-size: var(--lab); letter-spacing: .14em;
              text-transform: uppercase; color: var(--vapor); }
.mast-delta .down { color: var(--ember); }

/* --- eyebrows: a hairline that runs to the end of the line ------------------- */
.eyebrow { display: flex; align-items: center; gap: 14px; margin-bottom: 26px;
           font-size: var(--lab); letter-spacing: .18em; text-transform: uppercase;
           color: var(--vapor); }
.eyebrow-rule { flex: 1; height: 1px; background: var(--rule); }
.eyebrow-n { font-variant-numeric: tabular-nums;
             color: color-mix(in srgb, var(--vapor) 50%, transparent); }

.section { padding: clamp(44px, 6vw, 76px) 0; border-top: 1px solid var(--rule); }
.section-lede { font: 400 16px/1.65 var(--serif); color: var(--vapor);
                max-width: 62ch; margin: -8px 0 34px; text-wrap: pretty; }

/* --- the disagreement scale (signature) -------------------------------------- */
.scale { --market: 50; --model: 50; }

/* The margins are not decoration: each tick label hangs off the rule (market
   above, model below) and would collide with the axis and the edge readout
   without room reserved for it here. */
.scale-rule {
  position: relative; height: 1px; background: var(--rule);
  margin: 46px 0 44px;
}
.scale-span {
  position: absolute; top: -1px; height: 3px;
  left: calc(var(--lo) * 1%); width: calc((var(--hi) - var(--lo)) * 1%);
  background: linear-gradient(90deg, var(--frost), var(--mercury));
  transition: left .8s cubic-bezier(.2,.8,.2,1), width .8s cubic-bezier(.2,.8,.2,1);
}
.scale[data-dir="down"] .scale-span {
  background: linear-gradient(90deg, var(--mercury), var(--frost));
}

.tick { position: absolute; top: 0; width: 1px; height: 22px;
        transition: left .8s cubic-bezier(.2,.8,.2,1); }
.tick-market { background: var(--frost); left: calc(var(--market) * 1%); transform: translateY(-22px); }
.tick-model  { background: var(--mercury); left: calc(var(--model) * 1%); }

.tick-label {
  position: absolute; left: 0; white-space: nowrap;
  font-size: var(--lab); letter-spacing: .1em; text-transform: uppercase;
  font-variant-numeric: tabular-nums;
}
.tick-market .tick-label { bottom: 28px; color: var(--frost); }
.tick-model  .tick-label { top: 28px; color: var(--mercury); }
.tick-label[data-anchor="end"] { left: auto; right: 0; }

.scale-axis { display: flex; justify-content: space-between; margin-top: 4px;
              font-size: var(--lab); font-variant-numeric: tabular-nums;
              color: color-mix(in srgb, var(--vapor) 45%, transparent); }

.scale-read {
  display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap;
  margin-top: 20px;
}
.scale-edge { font: 600 clamp(30px, 4.4vw, 48px)/1 var(--mono); letter-spacing: -.04em;
              color: var(--mercury); font-variant-numeric: tabular-nums; }
.scale-edge small { font-size: .42em; letter-spacing: .1em; margin-left: .38em;
                    text-transform: uppercase; color: var(--vapor); font-weight: 500; }
.scale-side { font-size: var(--lab); letter-spacing: .16em; text-transform: uppercase;
              border: 1px solid var(--rule); padding: 5px 9px; color: var(--paper); }

/* reduced-motion + first paint: ticks start at parity and separate on load */
.scale.pre .tick, .scale.pre .scale-span { left: 50%; }
.scale.pre .scale-span { width: 0; }
@media (prefers-reduced-motion: reduce) {
  .tick, .scale-span { transition: none; }
  .pulse { animation: none; }
}

/* --- hero -------------------------------------------------------------------- */
.hero { padding-bottom: clamp(44px, 6vw, 76px); }
.hero-q { font: 400 clamp(21px, 2.5vw, 31px)/1.35 var(--serif); margin: 0; max-width: 26ch;
          letter-spacing: -.005em; text-wrap: balance; }
.hero-meta { display: flex; gap: 12px; align-items: center; margin: 0 0 22px;
             font-size: var(--lab); letter-spacing: .14em; text-transform: uppercase;
             color: var(--vapor); }
.hero-scale { margin: 30px 0 34px; }
.hero-note { font: 400 15px/1.6 var(--serif); color: var(--vapor); max-width: 56ch;
             margin: 30px 0 0; text-wrap: pretty; }

.claim { display: grid; gap: 8px 26px; margin-top: 26px; }
.claim-row { display: grid; grid-template-columns: 88px 1fr; gap: 18px; align-items: baseline; }
.claim-k { font-size: var(--lab); letter-spacing: .16em; text-transform: uppercase; color: var(--vapor); }
.claim-v { font: 400 16px/1.6 var(--serif); margin: 0; text-wrap: pretty; }
.claim-row[data-k="wrong"] .claim-v { color: var(--vapor); border-left: 2px solid var(--mercury);
                                      padding-left: 14px; margin-left: -16px; }

/* --- equity + stats ---------------------------------------------------------- */
.ledger { display: grid; grid-template-columns: 1.5fr 1fr; gap: clamp(30px, 5vw, 68px);
          padding: clamp(44px, 6vw, 76px) 0; border-top: 1px solid var(--rule); align-items: start; }
.curve { width: 100%; height: 132px; display: block; overflow: visible; }
.curve-base { stroke: var(--rule); stroke-dasharray: 2 4; }
.curve-line { fill: none; stroke: var(--paper); stroke-width: 1.5; vector-effect: non-scaling-stroke; }
.curve-line.down { stroke: var(--ember); }
.curve-caption { display: flex; justify-content: space-between; margin-top: 12px;
                 font-size: var(--lab); letter-spacing: .1em;
                 color: color-mix(in srgb, var(--vapor) 55%, transparent); }

.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin: 0;
         background: var(--rule); border: 1px solid var(--rule); }
.stat { background: var(--ink); padding: 16px 18px; }
.stat dt { font-size: var(--lab); letter-spacing: .14em; text-transform: uppercase; color: var(--vapor); }
.stat dd { margin: 8px 0 0; font: 500 22px/1 var(--mono); letter-spacing: -.02em;
           font-variant-numeric: tabular-nums; }
.stat dd.down { color: var(--ember); }
.stat dd small { font-size: 11px; letter-spacing: .06em; color: var(--vapor); font-weight: 400; }

/* --- thesis cards ------------------------------------------------------------ */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 1px;
         background: var(--rule); border: 1px solid var(--rule); }
.card { background: var(--ink); padding: 26px 26px 30px; display: flex; flex-direction: column; }
.card-head { display: flex; align-items: center; gap: 10px; margin-bottom: 16px;
             font-size: var(--lab); letter-spacing: .13em; text-transform: uppercase; color: var(--vapor); }
.chip { border: 1px solid var(--rule); padding: 3px 7px; }
.chip[data-s="held"] { color: var(--mercury); border-color: color-mix(in srgb, var(--mercury) 45%, transparent); }
.chip[data-s="pending"] { color: var(--frost); border-color: color-mix(in srgb, var(--frost) 45%, transparent); }
.card-ts { margin-left: auto; font-variant-numeric: tabular-nums; }
.card-q { font: 400 18px/1.42 var(--serif); margin: 0; text-wrap: pretty; }
.card-scale { margin: 10px 0 4px; }
.card-scale .scale-rule { margin: 40px 0 40px; }
.card-scale .scale-read { margin-top: 8px; }
.card-scale .scale-edge { font-size: 26px; }
.card-why { font: 400 15px/1.6 var(--serif); color: var(--vapor); margin: 20px 0 0; text-wrap: pretty; }
.card-wrong { font: 400 14px/1.55 var(--serif); color: var(--vapor); margin: 16px 0 0;
              border-left: 2px solid var(--mercury); padding-left: 13px; }
.card-wrong b { color: var(--paper); font-weight: 500; font-family: var(--mono);
                font-size: var(--lab); letter-spacing: .14em; text-transform: uppercase;
                display: block; margin-bottom: 5px; }

/* --- tables ------------------------------------------------------------------ */
.two-up { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 5vw, 68px); }
.rows { display: flex; flex-direction: column; }
.row { display: grid; grid-template-columns: 1fr auto; gap: 8px 20px; align-items: baseline;
       padding: 15px 0; border-bottom: 1px solid var(--rule); }
.row:first-child { border-top: 1px solid var(--rule); }
.row-q { font: 400 15px/1.45 var(--serif); text-wrap: pretty; }
.row-sub { grid-column: 1; font-size: var(--lab); letter-spacing: .12em; text-transform: uppercase;
           color: var(--vapor); margin-top: 6px; }
.row-n { font: 500 16px/1 var(--mono); font-variant-numeric: tabular-nums; letter-spacing: -.02em;
         text-align: right; }
.row-n.down { color: var(--ember); }
.row-side { font-size: var(--lab); letter-spacing: .14em; text-transform: uppercase;
            color: var(--vapor); text-align: right; margin-top: 6px; }

/* --- self-improvement -------------------------------------------------------- */
.gen { border: 1px solid var(--rule); padding: 24px 26px; margin-bottom: 26px; }
.gen-head { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap;
            font-size: var(--lab); letter-spacing: .14em; text-transform: uppercase; color: var(--vapor); }
.gen-id { font: 600 22px/1 var(--mono); color: var(--paper); letter-spacing: -.02em;
          text-transform: none; }
.gen-why { font: 400 16px/1.6 var(--serif); margin: 16px 0 0; max-width: 68ch; text-wrap: pretty; }
.params { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.param { border: 1px solid var(--rule); padding: 5px 9px; font-size: 12px; color: var(--vapor);
         font-variant-numeric: tabular-nums; }
.param b { color: var(--paper); font-weight: 500; }

.cycle { display: grid; grid-template-columns: 150px 1fr; gap: 20px; padding: 18px 0;
         border-top: 1px solid var(--rule); }
.cycle-ts { font-size: var(--lab); letter-spacing: .12em; text-transform: uppercase; color: var(--vapor);
            font-variant-numeric: tabular-nums; }
.cycle-body { font: 400 15px/1.6 var(--serif); color: var(--vapor); text-wrap: pretty; }
.cycle-body b { color: var(--paper); font-weight: 600; }
.verdict-pass { color: var(--mercury); }

/* --- compute ----------------------------------------------------------------- */
.tokens { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1px;
          background: var(--rule); border: 1px solid var(--rule); margin-bottom: 30px; }
.bars { display: flex; flex-direction: column; gap: 12px; max-width: 620px; }
.bar-row { display: grid; grid-template-columns: 92px 1fr max-content; gap: 16px; align-items: center; }
.bar-k { font-size: var(--lab); letter-spacing: .14em; text-transform: uppercase; color: var(--vapor); }
.bar-track { height: 3px; background: var(--rule); }
.bar-fill { height: 3px; background: var(--mercury); }
.bar-v { font-size: 13px; text-align: right; color: var(--vapor); white-space: nowrap;
         font-variant-numeric: tabular-nums; }

.empty { font: 400 16px/1.6 var(--serif); color: var(--vapor); margin: 0; padding: 22px 0;
         border-top: 1px solid var(--rule); text-wrap: pretty; }

/* --- footer ------------------------------------------------------------------ */
.foot { border-top: 1px solid var(--rule); margin-top: clamp(44px, 6vw, 76px); }
.foot-in { max-width: var(--wide); margin: 0 auto; padding: 48px var(--gut) 64px; }
.foot-lede { font: 400 15px/1.65 var(--serif); color: var(--vapor); max-width: 60ch; margin: 0; }
.foot-links { display: flex; gap: 26px; flex-wrap: wrap; margin: 28px 0 22px;
              font-size: var(--lab); letter-spacing: .16em; text-transform: uppercase; }
.foot-stamp { font-size: var(--lab); letter-spacing: .12em; text-transform: uppercase;
              color: var(--rule); margin: 0; font-variant-numeric: tabular-nums; }
.foot-stamp a { color: var(--vapor); }

/* --- narrow ------------------------------------------------------------------ */
@media (max-width: 620px) {
  /* The strip must stay one line: wrapped, it reads as a broken headline
     rather than a status readout. The model name is the least load-bearing. */
  .strip-opt { display: none; }
  .strip-in { gap: 8px; }
  .curve-caption { flex-wrap: wrap; }
  .curve-caption span:nth-child(2) { order: 3; flex-basis: 100%; margin-top: 8px; }
}

@media (max-width: 860px) {
  .ledger, .two-up { grid-template-columns: 1fr; }
  .mast { align-items: flex-start; }
  .mast-value { text-align: left; }
  .cards { grid-template-columns: 1fr; }
  .cycle { grid-template-columns: 1fr; gap: 8px; }
  .claim-row { grid-template-columns: 1fr; gap: 4px; }
  .claim-row[data-k="wrong"] .claim-v { margin-left: 0; }
}