:root {
  color-scheme: light;
  --page: #f5f6f8;
  --panel: #ffffff;
  --soft: #f0f2f5;
  --ink: #0d1726;
  --ink-2: #3b4757;
  --muted: #6a7585;
  --line: #dde2e8;
  --rule: #c9d0d9;
  --navy: #0b1f3a;
  --navy-2: #13294b;
  --on-navy: #e8edf4;
  --on-navy-2: #9fb0c6;
  --accent: #1d4ed8;
  --up: #0b7a43;
  --down: #c0262d;
  --gpt: #4b45d1;
  --claude: #c2572b;
  --quant: #0f7c86;
  --spy: #0d1726;
  --random: #98a2b0;
  --radius: 6px;
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", "Roboto Mono", Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page: #070c15;
    --panel: #0d1420;
    --soft: #121b2a;
    --ink: #e6ebf2;
    --ink-2: #b4bfcd;
    --muted: #8391a4;
    --line: #1d2939;
    --rule: #2a3a50;
    --navy: #050a12;
    --navy-2: #0d1726;
    --accent: #6c9cff;
    --up: #2ec27e;
    --down: #ff6b6b;
    --gpt: #8f8af0;
    --claude: #ee8a5f;
    --quant: #3cc3cc;
    --spy: #e6ebf2;
    --random: #6b778a;
  }
}

* { box-sizing: border-box; }
html { background: var(--page); scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; background: var(--page); color: var(--ink); font: 15px/1.55 var(--font); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
h1, h2, h3, p, ol, ul { margin: 0; }
ol, ul { padding: 0; list-style: none; }
.num { font-variant-numeric: tabular-nums; font-feature-settings: "tnum" 1; }
.up { color: var(--up); }
.down { color: var(--down); }
.muted { color: var(--muted); }
.pad { padding: 18px 20px; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.key { width: 10px; height: 10px; border-radius: 2px; flex: none; display: inline-block; }

/* top bar */
.bar { position: sticky; top: 0; z-index: 5; background: var(--navy); color: var(--on-navy); border-bottom: 1px solid var(--navy-2); }
.bar-row { display: flex; align-items: center; gap: 22px; min-height: 56px; }
.mark { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: 0.01em; font-size: 16px; text-decoration: none; color: #fff; }
.logo { width: 22px; height: 22px; border-radius: 3px; background: linear-gradient(135deg, #34c38f, #1d4ed8); }
.bar-nav { display: flex; gap: 18px; font-size: 13px; }
.bar-nav a { color: var(--on-navy-2); text-decoration: none; }
.bar-nav a:hover { color: #fff; }
.asof { margin-left: auto; font-size: 12px; color: var(--on-navy-2); white-space: nowrap; }
.bar-tools { display: flex; gap: 8px; }
.pill { border: 1px solid #2c3f5e; background: transparent; color: var(--on-navy); border-radius: 4px; padding: 5px 12px; font: inherit; font-size: 13px; font-weight: 600; cursor: pointer; text-decoration: none; }
.pill.solid { background: #fff; color: var(--navy); border-color: #fff; }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 6px; border-radius: 4px; padding: 10px 18px; font: inherit; font-weight: 600; font-size: 14px; text-decoration: none; border: 1px solid var(--rule); background: var(--panel); color: var(--ink); cursor: pointer; }
.btn.primary { background: var(--navy); color: #fff; border-color: var(--navy); }
@media (prefers-color-scheme: dark) { .btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; } }

/* hero */
.hero { padding: 56px 0 8px; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 40px; align-items: start; }
.eyebrow { color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.hero h1 { margin-top: 14px; font-size: clamp(32px, 4.4vw, 50px); line-height: 1.08; letter-spacing: -0.025em; font-weight: 750; }
.lede { margin-top: 18px; font-size: 17px; color: var(--ink-2); max-width: 60ch; }
.cta { margin-top: 26px; display: flex; gap: 10px; flex-wrap: wrap; }

/* KPI panel */
.kpi { background: var(--panel); border: 1px solid var(--line); border-top: 3px solid var(--navy); border-radius: var(--radius); }
@media (prefers-color-scheme: dark) { .kpi { border-top-color: var(--accent); } }
.kpi-head { display: flex; flex-direction: column; gap: 2px; padding: 14px 20px; border-bottom: 1px solid var(--line); }
.kpi-head b { font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; }
.kpi-head span { font-size: 12px; color: var(--muted); }
.kpi-main { padding: 18px 20px 16px; border-bottom: 1px solid var(--line); }
.kpi .k { font-size: 13px; color: var(--ink-2); font-weight: 600; }
.kpi .ks { font-size: 12px; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.kpi-main .big { font-size: 46px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; margin: 4px 0 4px; }
.kpi-row { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 11px 20px; }
.kpi-row + .kpi-row { border-top: 1px solid var(--line); }
.kpi-row .v { font-size: 17px; font-weight: 650; white-space: nowrap; }

/* sections */
section.block { padding-top: 64px; }
.head { display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; padding-bottom: 10px; margin-bottom: 18px; border-bottom: 2px solid var(--ink); }
.head h2 { font-size: 24px; letter-spacing: -0.015em; font-weight: 700; }
.head .aside { color: var(--muted); font-size: 13px; }
.section-lede { color: var(--ink-2); max-width: 70ch; margin: -4px 0 20px; font-size: 16px; }
.note { margin-top: 10px; color: var(--muted); font-size: 12.5px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
.panel + .panel { margin-top: 14px; }
.memos > .panel + .panel, .model-cards > .panel + .panel { margin-top: 0; }

/* tables */
.table { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 11px 16px; border-bottom: 1px solid var(--line); white-space: nowrap; vertical-align: middle; }
thead th { font-size: 11.5px; color: var(--muted); font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; background: var(--soft); }
tbody tr:last-child > * { border-bottom: 0; }
td.n, th.n { text-align: right; }
td.num, td .num { font-family: var(--mono); font-size: 13.5px; }
.strong { font-weight: 700; }
.stats th[scope="row"] { font-weight: 600; }
.stats .name { display: inline-flex; align-items: center; gap: 8px; }
.stats .sub { display: block; color: var(--muted); font-size: 12px; font-weight: 400; margin-left: 18px; }
.stats tr.lead { background: color-mix(in srgb, var(--gpt) 6%, var(--panel)); }

/* chart */
.chart { padding: 16px 16px 8px; position: relative; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 12.5px; color: var(--ink-2); margin: 0 0 6px 4px; }
.legend span { display: inline-flex; align-items: center; gap: 7px; }
.legend i { width: 18px; height: 0; border-top: 2.5px solid var(--c); display: inline-block; }
.legend i.dash { border-top-style: dashed; border-top-width: 2px; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.grid { stroke: var(--line); stroke-width: 1; }
.zero { stroke: var(--rule); stroke-width: 1.2; }
.axis { fill: var(--muted); font-size: 11px; font-family: var(--mono); }
.series { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.series.lead { stroke-width: 2.8; }
.series.thin { stroke-width: 1.5; stroke-dasharray: 5 4; }
.end { font-size: 11.5px; font-weight: 700; font-family: var(--mono); }
.cross { stroke: var(--rule); stroke-width: 1; }
.tip { position: absolute; pointer-events: none; background: var(--panel); border: 1px solid var(--line); border-radius: 4px; padding: 8px 10px; font-size: 12.5px; min-width: 160px; box-shadow: 0 6px 20px rgba(13, 23, 38, 0.1); }
.tip .row { display: flex; justify-content: space-between; gap: 12px; }
.tip .row span:first-child { display: inline-flex; align-items: center; gap: 6px; color: var(--ink-2); }
.tip b { font-family: var(--mono); }

/* pipeline */
.pipe { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 0; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; counter-reset: none; }
.stage { padding: 18px 16px 20px; position: relative; }
.stage + .stage { border-left: 1px solid var(--line); }
.stage::after { content: ""; position: absolute; top: 24px; right: -6px; width: 10px; height: 10px; border-top: 1px solid var(--rule); border-right: 1px solid var(--rule); transform: rotate(45deg); background: var(--panel); z-index: 1; }
.stage:last-child::after { display: none; }
.stage.ai { background: color-mix(in srgb, var(--gpt) 6%, var(--panel)); }
.stage-top { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.idx { font: 700 12px var(--mono); color: var(--accent); }
.when { font: 600 11.5px var(--mono); color: var(--muted); white-space: nowrap; }
.stage h3 { margin-top: 10px; font-size: 16px; letter-spacing: -0.01em; }
.key-fact { margin-top: 4px; font-size: 13px; font-weight: 650; color: var(--ink); }
.stage .body { margin-top: 8px; font-size: 13px; color: var(--ink-2); line-height: 1.5; }

/* comparison */
.versus { table-layout: fixed; min-width: 640px; }
.versus thead th:first-child { width: 20%; }
.versus th, .versus td { white-space: normal; vertical-align: top; padding: 12px 16px; }
.versus thead th { font-size: 12px; }
.versus thead th.us { background: var(--navy); color: #fff; }
@media (prefers-color-scheme: dark) { .versus thead th.us { background: var(--accent); } }
.versus th[scope="row"] { font-weight: 650; color: var(--ink); background: var(--soft); font-size: 13.5px; }
.versus td { font-size: 14px; }
.versus td.us { background: color-mix(in srgb, var(--up) 6%, var(--panel)); color: var(--ink); font-weight: 550; }
.versus td.them { color: var(--muted); }
.vcell { display: flex; gap: 6px; align-items: baseline; }
.tick { flex: none; width: 14px; font-weight: 800; }
.tick.yes { color: var(--up); }
.tick.no { color: var(--down); }

/* latest decision */
.memos { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.memos.one { grid-template-columns: minmax(0, 760px); }
.memo { padding: 0 0 6px; }
.memo-head { display: flex; align-items: center; gap: 8px; padding: 13px 20px; border-bottom: 1px solid var(--line); font-size: 14px; }
.memo-head .model, .memo-head .tag { margin-left: auto; color: var(--muted); font: 12px var(--mono); }
.memo-head .tag { font-family: var(--font); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 700; }
.memo-grid { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--line); }
.memo-grid .field + .field { border-left: 1px solid var(--line); }
.field { padding: 12px 20px; }
.field .label { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.field .content { margin-top: 4px; font-size: 14px; color: var(--ink-2); }
.ticker { font: 700 28px var(--mono); color: var(--ink); letter-spacing: -0.01em; margin-right: 10px; }
.result { font: 700 24px var(--mono); }
.stance { font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 3px; background: var(--soft); color: var(--ink-2); text-transform: uppercase; letter-spacing: 0.06em; vertical-align: 5px; }
.stance.long { background: color-mix(in srgb, var(--up) 14%, var(--panel)); color: var(--up); }
.stance.avoid { background: color-mix(in srgb, var(--down) 12%, var(--panel)); color: var(--down); }
.cash-line { padding: 12px 20px 0; font-size: 14px; color: var(--ink-2); }
.src li + li { margin-top: 4px; }
.src a { color: var(--accent); text-underline-offset: 2px; font-size: 13px; }

/* model choice */
.model-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.model-card .model-id { padding: 14px 20px 0; font: 600 18px var(--mono); }
.model-card p { padding: 2px 20px 16px; font-size: 13px; }
.duel { min-width: 420px; }

/* trade log */
.log td { font-size: 14px; }
.pickcell b { display: inline-block; min-width: 3.6em; font-family: var(--mono); font-size: 13.5px; }
.pickcell .num { margin-left: 6px; }
.more { margin-top: 12px; }

/* get started */
.run { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px; align-items: center; margin-top: 64px; padding: 36px; background: var(--navy); color: var(--on-navy); border-radius: var(--radius); }
.run h2 { font-size: 28px; letter-spacing: -0.02em; color: #fff; }
.run .section-lede { color: var(--on-navy-2); margin: 10px 0 0; }
.run .req { margin: 14px 0 20px; font-size: 13px; color: var(--on-navy-2); }
.run .btn.primary { background: #fff; color: var(--navy); border-color: #fff; }
.cmds { display: flex; flex-direction: column; gap: 10px; }
.cmds li { background: var(--navy-2); border: 1px solid #22385c; border-radius: 4px; padding: 10px 14px; }
@media (prefers-color-scheme: dark) { .cmds li { border-color: var(--line); } }
.cmds .label { display: block; font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--on-navy-2); font-weight: 700; }
.cmds code { font: 14px var(--mono); color: #fff; }
.cmds code::before { content: "$ "; color: #34c38f; }

/* footer */
.foot { margin-top: 56px; border-top: 1px solid var(--line); padding: 28px 0 44px; color: var(--muted); font-size: 12px; line-height: 1.6; }
.foot p + p { margin-top: 6px; }
.foot p { max-width: 110ch; }

@media (max-width: 1000px) {
  .bar-nav { display: none; }
  .hero { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .pipe { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .stage:nth-child(4) { border-left: 0; }
  .stage:nth-child(n + 4) { border-top: 1px solid var(--line); }
  .stage:nth-child(3)::after { display: none; }
}
@media (max-width: 760px) {
  .memos, .model-cards, .run { grid-template-columns: minmax(0, 1fr); }
  .run { padding: 24px; }
}
@media (max-width: 560px) {
  body { font-size: 14px; }
  .wrap { padding: 0 16px; }
  .bar-row { gap: 10px; }
  .asof { display: none; }
  .bar-tools { margin-left: auto; }
  .hero { padding-top: 32px; }
  .lede { font-size: 15.5px; }
  .kpi-main .big { font-size: 38px; }
  th, td { padding: 10px; }
  .hide-s { display: none; }
  .pipe { grid-template-columns: minmax(0, 1fr); }
  .stage + .stage { border-left: 0; border-top: 1px solid var(--line); }
  .stage::after { display: none; }
  .versus { min-width: 0; }
  .versus thead th:first-child { width: 28%; }
  .versus th, .versus td { padding: 10px 8px; font-size: 12.5px; }
  .memo-grid { grid-template-columns: minmax(0, 1fr); }
  .memo-grid .field + .field { border-left: 0; border-top: 1px solid var(--line); }
  .duel { min-width: 0; }
  .stats .sub { display: none; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }