/* Layout: an editorial prose column inside a wide grid for evidence and charts.
   Palette: navy ink and one red accent, taken from the founder's DX thesis; blue is kept for data, so "your agency" reads the same in every chart. */
@font-face {
  font-family: "Schibsted Grotesk";
  src: url("/assets/fonts/schibsted-grotesk-latin.woff2") format("woff2");
  font-weight: 400 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Schibsted Grotesk";
  src: url("/assets/fonts/schibsted-grotesk-latin-italic.woff2") format("woff2");
  font-weight: 400 900;
  font-style: italic;
  font-display: swap;
}

:root {
  color-scheme: light;
  --paper: #ffffff;
  --panel: #f3f5f7;
  --panel-2: #e8ecf0;
  --ink: #101f33;
  --ink-2: #2b3a4d;
  --slate: #56616e;
  --rule: #dfe3e8;
  --line: #b9c1ca;
  --red: #c8102e;
  --red-soft: #fbe9ec;
  --blue: #2a78d6;
  --blue-soft: #86b6ef;
  --track: #cde2fb;
  --grey: #a9b2bc;
  --grey-soft: #d9dee4;
  --good: #0ca30c;
  --warning: #fab219;
  --critical: #d03b3b;
  --unknown: #a9b2bc;
  --grid: #e4e7eb;
  --axis: #c3c9d0;
  --h0: #cde2fb; --h1: #b7d3f6; --h2: #9ec5f4; --h3: #86b6ef; --h4: #6da7ec;
  --h5: #5598e7; --h6: #3987e5; --h7: #2a78d6; --h8: #256abf;
  --font: "Schibsted Grotesk", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --wide: 1120px;
  --prose: 700px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; }
a { color: var(--ink); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--red); }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }
h1, h2, h3, h4 { margin: 0; line-height: 1.12; letter-spacing: -0.02em; font-weight: 700; text-wrap: balance; }
h1 { font-size: clamp(2.2rem, 5vw, 3.7rem); letter-spacing: -0.035em; font-weight: 750; }
h2 { font-size: clamp(1.55rem, 2.8vw, 2.15rem); letter-spacing: -0.025em; }
h3 { font-size: 1.2rem; }
p { margin: 0; }
ul, ol { margin: 0; }
.skip { position: absolute; left: -9999px; top: 0; background: var(--ink); color: #fff; padding: 8px 12px; z-index: 50; }
.skip:focus { left: 8px; top: 8px; }

.wrap { max-width: var(--wide); margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.prose { max-width: var(--prose); }
.prose p + p { margin-top: 1em; }
.lede { font-size: 1.22rem; line-height: 1.5; color: var(--ink-2); max-width: 60ch; }
.eyebrow { font-size: 0.82rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--red); }
.muted { color: var(--slate); }
.small { font-size: 0.9rem; }

/* Top bar and header */
.topbar { background: var(--ink); color: #fff; font-size: 0.82rem; }
.topbar .wrap { display: flex; justify-content: space-between; gap: 16px; padding-top: 7px; padding-bottom: 7px; }
.topbar span { opacity: 0.88; }
.site-header { border-bottom: 1px solid var(--rule); background: var(--paper); }
.site-header .wrap { display: flex; align-items: center; gap: 28px; padding-top: 16px; padding-bottom: 16px; flex-wrap: wrap; }
.brand { text-decoration: none; display: flex; flex-direction: column; line-height: 1.1; margin-right: auto; }
.brand b { font-size: 1.12rem; font-weight: 750; letter-spacing: -0.02em; }
.brand span { font-size: 0.8rem; color: var(--slate); }
.site-nav { display: flex; gap: 22px; font-size: 0.95rem; }
.site-nav a { text-decoration: none; color: var(--ink-2); padding: 4px 0; border-bottom: 2px solid transparent; }
.site-nav a:hover { color: var(--red); }
.site-nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--red); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 10px 22px;
  background: var(--ink); color: #fff; border: 0; border-radius: 6px;
  font: inherit; font-weight: 650; font-size: 1rem; text-decoration: none; cursor: pointer;
}
.btn:hover { background: var(--red); color: #fff; }
.btn-sm { min-height: 40px; padding: 8px 16px; font-size: 0.92rem; }
.btn-link { font-weight: 650; text-decoration: none; display: inline-flex; gap: 6px; align-items: center; }
.btn-link::after { content: "→"; }
.btn[disabled] { opacity: 0.6; cursor: progress; }

/* Sections */
.section { padding-top: 72px; padding-bottom: 72px; }
.section + .section { border-top: 1px solid var(--rule); }
.section-panel { background: var(--panel); }
.section-head { display: flex; flex-direction: column; gap: 14px; margin-bottom: 36px; max-width: 760px; }
.num { color: var(--red); font-weight: 750; margin-right: 10px; font-variant-numeric: tabular-nums; }

/* Hero */
.hero { padding-top: 64px; padding-bottom: 64px; border-bottom: 1px solid var(--ink); }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: 56px; align-items: center; }
.hero-copy { display: flex; flex-direction: column; gap: 22px; }
.hero-copy .lede { font-size: 1.26rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px 24px; align-items: center; }
.hero-note { font-size: 0.9rem; color: var(--slate); }

/* The AI answer mock in the hero */
.answer-mock { border: 1px solid var(--line); border-radius: 14px; background: var(--paper); box-shadow: 0 12px 32px rgba(16, 31, 51, 0.10); overflow: hidden; }
.answer-mock .q { background: var(--panel); padding: 16px 18px; font-size: 0.98rem; color: var(--ink-2); border-bottom: 1px solid var(--rule); }
.answer-mock .q b { display: block; font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--slate); margin-bottom: 4px; }
.answer-mock .a { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 12px; font-size: 0.96rem; }
.answer-mock .a > b { font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--slate); }
.answer-mock .named { display: flex; flex-direction: column; gap: 8px; margin: 0; padding: 0; list-style: none; }
.answer-mock .named li { display: flex; gap: 10px; align-items: baseline; }
.answer-mock .named li span { color: var(--slate); font-size: 0.9rem; }
.answer-mock .cites { display: flex; flex-wrap: wrap; gap: 6px; }
.answer-mock .cites span { font-size: 0.78rem; border: 1px solid var(--rule); border-radius: 999px; padding: 2px 9px; color: var(--slate); }
.answer-mock .slot { border: 1.5px dashed var(--red); border-radius: 10px; padding: 10px 12px; color: var(--ink); background: var(--red-soft); font-size: 0.92rem; }
.answer-mock .slot b { color: var(--red); }
.answer-mock .ill { font-size: 0.76rem; color: var(--slate); padding: 0 18px 14px; }

/* Evidence strip */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--ink); }
.stat { padding: 22px 22px 22px 0; border-right: 1px solid var(--rule); margin-right: 22px; display: flex; flex-direction: column; gap: 10px; }
.stat:last-child { border-right: 0; margin-right: 0; }
.stat b { font-size: 2.4rem; line-height: 1; letter-spacing: -0.03em; font-weight: 750; }
.stat b.red { color: var(--red); }
.stat p { font-size: 0.98rem; color: var(--ink-2); }
.stat cite { font-style: normal; font-size: 0.8rem; color: var(--slate); }
.stat cite a { color: var(--slate); }

/* Then and now */
.shift { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; margin-top: 8px; }
.shift-col { border: 1px solid var(--rule); border-radius: 12px; padding: 20px; display: flex; flex-direction: column; gap: 14px; background: var(--paper); }
.shift-col h3 { font-size: 1rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--slate); }
.flow { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.flow li { border: 1px solid var(--line); border-radius: 8px; padding: 9px 12px; font-size: 0.96rem; background: var(--paper); position: relative; }
.flow li + li { margin-top: 14px; }
.flow li + li::before { content: "↓"; position: absolute; top: -21px; left: 14px; color: var(--slate); font-size: 0.9rem; }
.flow li.hot { border-color: var(--blue); }
.flow li.end { background: var(--panel); }

/* Kinds of answer */
.kinds { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.kind { border-top: 3px solid var(--ink); padding-top: 14px; display: flex; flex-direction: column; gap: 10px; }
.kind .k-num { font-size: 0.85rem; font-weight: 750; color: var(--red); }
.kind h3 { font-size: 1.25rem; }
.kind p { font-size: 0.97rem; color: var(--ink-2); }
.kind dl { margin: 0; display: flex; flex-direction: column; gap: 8px; font-size: 0.92rem; }
.kind dt { font-size: 0.76rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--slate); }
.kind dd { margin: 0; color: var(--ink-2); }
.baseline { margin-top: 26px; font-size: 0.97rem; color: var(--ink-2); max-width: 74ch; }
.test-box { margin-top: 28px; background: var(--panel); border-left: 3px solid var(--red); padding: 18px 22px; display: flex; flex-direction: column; gap: 6px; max-width: 820px; }
.test-box b { font-size: 1rem; }
.test-box p { color: var(--ink-2); }

/* Report parts */
.parts { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 36px 48px; }
.part h3 { padding-bottom: 10px; border-bottom: 1px solid var(--ink); margin-bottom: 14px; display: flex; justify-content: space-between; gap: 12px; align-items: baseline; }
.part h3 span { font-size: 0.82rem; font-weight: 600; color: var(--slate); letter-spacing: 0; }
.part ul { padding-left: 20px; display: flex; flex-direction: column; gap: 8px; color: var(--ink-2); }
.previews { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; margin-top: 40px; }

/* Method teaser */
.method-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.method-grid div { display: flex; flex-direction: column; gap: 8px; }
.method-grid b { font-size: 1.05rem; }
.method-grid p { font-size: 0.95rem; color: var(--ink-2); }

/* Callout */
.callout { border: 1px solid var(--ink); border-radius: 12px; padding: 20px 22px; display: flex; flex-direction: column; gap: 6px; max-width: 760px; }
.callout b { font-size: 1.05rem; }
.callout p { color: var(--ink-2); }

/* Form */
.signup-wrap { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 48px; align-items: start; }
.signup-intro { display: flex; flex-direction: column; gap: 16px; }
.signup-intro ul { padding-left: 20px; display: flex; flex-direction: column; gap: 6px; color: var(--ink-2); }
.signup { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 26px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px 18px; }
.signup .full { grid-column: 1 / -1; }
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field label { font-size: 0.92rem; font-weight: 600; }
.field .opt { font-weight: 400; color: var(--slate); }
.field input, .field select {
  font: inherit; font-size: 1rem; color: var(--ink);
  min-height: 48px; padding: 10px 12px;
  border: 1px solid var(--line); border-radius: 6px; background: var(--paper);
  width: 100%;
}
.field input:focus, .field select:focus { outline: 3px solid var(--blue); outline-offset: 0; border-color: var(--blue); }
.field input[aria-invalid="true"] { border-color: var(--critical); }
.field .err { font-size: 0.86rem; color: var(--critical); min-height: 0; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 0.95rem; color: var(--ink-2); cursor: pointer; }
.check input { width: 20px; height: 20px; margin: 2px 0 0; flex: none; accent-color: var(--ink); }
.check .req { color: var(--slate); font-size: 0.85rem; }
.check-err { font-size: 0.86rem; color: var(--critical); margin-top: -8px; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-actions { display: flex; flex-wrap: wrap; gap: 12px 18px; align-items: center; }
.form-note { font-size: 0.86rem; color: var(--slate); }
.form-status { font-size: 0.95rem; }
.form-status.ok { color: var(--ink); background: var(--panel); border-left: 3px solid var(--good); padding: 12px 14px; }
.form-status.bad { color: var(--critical); }
.signup.done .field, .signup.done .check, .signup.done .form-actions, .signup.done .check-err { display: none; }

/* FAQ */
.faq { display: flex; flex-direction: column; border-top: 1px solid var(--ink); max-width: 860px; }
.faq details { border-bottom: 1px solid var(--rule); padding: 16px 0; }
.faq summary { cursor: pointer; font-weight: 650; font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--red); font-weight: 700; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin-top: 10px; color: var(--ink-2); max-width: 70ch; }

/* Long-form pages */
.page-head { padding-top: 56px; padding-bottom: 40px; border-bottom: 1px solid var(--ink); }
.page-head .wrap { display: flex; flex-direction: column; gap: 18px; }
.abstract { border-left: 3px solid var(--red); padding: 4px 0 4px 20px; max-width: 70ch; color: var(--ink-2); font-size: 1.06rem; }
.toc { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px 32px; font-size: 0.94rem; padding-top: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--rule); }
.toc a { text-decoration: none; color: var(--ink-2); display: grid; grid-template-columns: 30px 1fr; }
.toc a span { color: var(--red); font-weight: 700; }
.chapter { padding-top: 56px; padding-bottom: 24px; display: flex; flex-direction: column; gap: 18px; }
.chapter + .chapter { border-top: 1px solid var(--rule); }
.chapter h2 { margin-bottom: 4px; }
.chapter h3 { margin-top: 10px; }
.list { padding-left: 22px; display: flex; flex-direction: column; gap: 10px; max-width: var(--prose); color: var(--ink-2); }
.list b { color: var(--ink); }

table.tbl-plain { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
table.tbl-plain th { text-align: left; padding: 10px 14px 10px 0; border-bottom: 2px solid var(--ink); font-weight: 650; vertical-align: bottom; }
table.tbl-plain td { padding: 10px 14px 10px 0; border-bottom: 1px solid var(--rule); vertical-align: top; color: var(--ink-2); }
table.tbl-plain td:first-child { color: var(--ink); font-weight: 650; }
.scroll-x { overflow-x: auto; }

/* Diagrams */
.fanout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr) minmax(0, 1.2fr) minmax(0, 1.1fr); gap: 14px; align-items: stretch; margin-top: 8px; }
.fanout .col { display: flex; flex-direction: column; gap: 8px; }
.fanout .col > b { font-size: 0.76rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--slate); }
.fanout .box { border: 1px solid var(--line); border-radius: 8px; padding: 9px 11px; font-size: 0.92rem; background: var(--paper); }
.fanout .box.q { border-color: var(--ink); font-weight: 600; }
.fanout .box.ans { border-color: var(--blue); }
.fanout .box.ans span { color: var(--slate); display: block; font-size: 0.85rem; margin-top: 4px; }
.fanout-note { font-size: 0.92rem; color: var(--slate); max-width: 70ch; }

.ladder { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; }
.rung { border: 1px solid var(--rule); border-radius: 10px; padding: 14px; display: flex; flex-direction: column; gap: 8px; background: var(--paper); }
.rung.base { background: var(--panel); }
.rung .r-num { font-size: 0.8rem; font-weight: 750; color: var(--red); }
.rung b { font-size: 1.02rem; }
.rung p { font-size: 0.9rem; color: var(--ink-2); }
.rung .frees { font-size: 0.84rem; color: var(--slate); border-top: 1px solid var(--rule); padding-top: 8px; margin-top: auto; }

.loop { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 8px; }
.loop div { border: 1px solid var(--ink); border-radius: 8px; padding: 12px; font-size: 0.9rem; display: flex; flex-direction: column; gap: 4px; }
.loop div b { font-size: 0.96rem; }
.loop div span { color: var(--ink-2); }
.loop div.gate { border-color: var(--red); }
.loop div em { font-style: normal; font-size: 0.78rem; color: var(--red); }
.loopback { font-size: 0.9rem; color: var(--slate); border: 1px dashed var(--red); border-radius: 8px; padding: 10px 14px; margin-top: 10px; }

/* Answer-format chooser */
.chooser { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 24px; border: 1px solid var(--line); border-radius: 14px; padding: 22px; background: var(--paper); }
.chooser fieldset { border: 0; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.chooser legend { font-weight: 700; margin-bottom: 6px; padding: 0; }
.presets { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 4px; }
.presets button { font: inherit; font-size: 0.85rem; border: 1px solid var(--line); background: var(--panel); color: var(--ink); border-radius: 999px; padding: 6px 12px; cursor: pointer; }
.presets button:hover, .presets button[aria-pressed="true"] { border-color: var(--ink); background: var(--paper); }
.chooser-out { background: var(--panel); border-radius: 10px; padding: 18px; display: flex; flex-direction: column; gap: 8px; }
.chooser-out .k { font-size: 0.76rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--slate); }
.chooser-out strong { font-size: 1.5rem; letter-spacing: -0.02em; }
.chooser-out p { color: var(--ink-2); font-size: 0.97rem; }
.chooser-out .warn { color: var(--ink); border-left: 3px solid var(--red); padding-left: 10px; }

/* Cost ranges */
.ranges { max-width: 720px; }

/* Sources */
.sources { padding-left: 22px; display: flex; flex-direction: column; gap: 10px; font-size: 0.94rem; color: var(--ink-2); max-width: 80ch; }

/* Chart cards */
.chart-cards { display: flex; flex-direction: column; gap: 24px; }
.chart-card { background: var(--paper); border: 1px solid var(--rule); border-radius: 12px; padding: 22px 24px 18px; display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.card-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.card-head .n { font-weight: 750; font-size: 0.85rem; color: var(--red); font-variant-numeric: tabular-nums; margin-right: 4px; }
.chip { font-size: 0.78rem; font-weight: 600; color: var(--ink-2); border: 1px solid var(--line); border-radius: 999px; padding: 1px 9px; }
.chip-ill { color: var(--slate); border-style: dashed; }
.chart-card h3 { font-size: 1.2rem; }
.chart-card .sub { font-size: 0.94rem; color: var(--slate); max-width: 72ch; }
.chart { width: 100%; min-width: 0; }
.chart svg { display: block; overflow: visible; }
.why { border-left: 2px solid var(--blue); padding-left: 12px; display: flex; flex-direction: column; gap: 2px; max-width: 74ch; }
.why-k { font-size: 0.76rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--slate); }
.why p { font-size: 0.99rem; color: var(--ink); }
.card-foot { display: flex; justify-content: flex-end; }
.tbl-btn { font: inherit; font-size: 0.86rem; font-weight: 650; color: var(--ink); background: var(--paper); border: 1px solid var(--line); border-radius: 6px; padding: 6px 12px; min-height: 34px; cursor: pointer; }
.tbl-btn:hover { border-color: var(--ink); }
.tbl { overflow-x: auto; }
.tbl table { border-collapse: collapse; font-size: 0.88rem; width: 100%; font-variant-numeric: tabular-nums; }
.tbl th, .tbl td { text-align: left; padding: 6px 12px 6px 0; border-bottom: 1px solid var(--grid); vertical-align: top; }
.tbl thead th { color: var(--slate); font-weight: 650; }
.tbl tbody th { font-weight: 500; }

/* Chart internals */
.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 0.86rem; color: var(--ink-2); margin-bottom: 8px; }
.key { display: inline-flex; align-items: center; gap: 6px; }
.sw { width: 12px; height: 12px; border-radius: 2px; display: inline-block; }
.sw-blue { background: var(--blue); }
.sw-grey { background: var(--grey); }
.ic { width: 14px; height: 14px; flex: none; }
.ic-dot { fill: var(--blue); }
.ic-ring { fill: var(--paper); stroke: var(--blue); stroke-width: 2; }
.ic-good { fill: none; stroke: var(--good); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.ic-line { fill: none; stroke: var(--slate); stroke-width: 1.6; stroke-linecap: round; }
.ic-bad { fill: none; stroke: var(--critical); stroke-width: 2; stroke-linecap: round; }
.ic-fill { fill: var(--slate); }
.hero-fig { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 12px; margin-bottom: 8px; }
.hero-fig b { font-size: 3rem; line-height: 1; font-weight: 750; letter-spacing: -0.03em; }
.hero-fig span { color: var(--ink-2); max-width: 42ch; }
.stat-line { display: flex; align-items: baseline; gap: 4px 12px; flex-wrap: wrap; border-top: 1px solid var(--grid); padding-top: 12px; margin-top: 8px; }
.stat-line b { font-size: 2rem; line-height: 1; font-weight: 750; }
.stat-line span { font-size: 0.94rem; color: var(--ink-2); max-width: 50ch; }
.flist-h { font-size: 0.76rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--slate); margin-top: 10px; }
.flist { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 6px; font-size: 0.94rem; margin-top: 6px; }
.flist li { display: flex; gap: 8px; align-items: flex-start; }
.flist .tag { flex: none; font-size: 0.8rem; font-weight: 650; color: var(--ink-2); min-width: 92px; display: inline-flex; gap: 5px; align-items: center; }
.qkey { margin: 8px 0 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px 20px; font-size: 0.9rem; color: var(--ink-2); }
.qkey b { color: var(--ink); display: inline-block; min-width: 1.3em; font-variant-numeric: tabular-nums; }
.heat { display: grid; grid-template-columns: minmax(70px, 1.2fr) repeat(6, minmax(34px, 1fr)); gap: 2px; background: var(--paper); }
.heat.narrow { grid-template-columns: minmax(56px, 1fr) repeat(6, minmax(0, 1fr)); }
.heat-col { font-size: 0.76rem; line-height: 1.25; color: var(--ink-2); padding: 0 2px 6px; align-self: end; }
.heat.narrow .heat-col { font-size: 0.72rem; padding: 0 0 6px; position: relative; text-align: center; white-space: nowrap; }
.heat.narrow .heat-col.up { padding-bottom: 22px; }
.heat.narrow .heat-col.up::after { content: ""; position: absolute; left: 50%; bottom: 5px; height: 12px; border-left: 1px solid var(--line); }
.heat-row { font-size: 0.86rem; align-self: center; padding-right: 6px; }
.heat-cell { height: 38px; border-radius: 2px; display: flex; align-items: center; justify-content: center; font-size: 0.8rem; font-weight: 700; font-variant-numeric: tabular-nums; color: #0b0b0b; }
.heat-cell:hover { filter: brightness(1.06); }
.b0 { background: var(--h0); } .b1 { background: var(--h1); } .b2 { background: var(--h2); }
.b3 { background: var(--h3); } .b4 { background: var(--h4); } .b5 { background: var(--h5); }
.b6 { background: var(--h6); } .b7 { background: var(--h7); color: #ffffff; } .b8 { background: var(--h8); color: #ffffff; }
.scale { display: flex; flex-direction: column; gap: 4px; max-width: 320px; font-size: 0.8rem; color: var(--slate); margin-top: 10px; }
.scale-bar { display: grid; grid-template-columns: repeat(9, 1fr); gap: 2px; }
.scale-bar span { height: 10px; border-radius: 2px; }
.scale-l { display: flex; justify-content: space-between; font-variant-numeric: tabular-nums; }
.heat-key { font-size: 0.8rem; color: var(--slate); margin-top: 8px; }
.callout-line { font-size: 0.96rem; color: var(--ink); border-left: 3px solid var(--blue); padding-left: 10px; margin-top: 10px; max-width: 72ch; }

svg text { font-family: var(--font); }
.tx-lab { font-size: 13px; fill: var(--ink); }
.tx-lab-b { font-size: 13px; fill: var(--ink); font-weight: 700; }
.tx-sub { font-size: 12px; fill: var(--slate); }
.tx-val { font-size: 12.5px; fill: var(--ink); font-weight: 650; font-variant-numeric: tabular-nums; }
.tx-tick { font-size: 11.5px; fill: var(--slate); font-variant-numeric: tabular-nums; }
.tx-q { font-size: 12px; fill: var(--slate); font-weight: 650; letter-spacing: 0.02em; }
.tx-num { font-size: 11px; font-weight: 750; fill: var(--ink); font-variant-numeric: tabular-nums; paint-order: stroke; stroke: var(--paper); stroke-width: 3px; stroke-linejoin: round; pointer-events: none; }
.tx-in { font-size: 12px; font-weight: 700; font-variant-numeric: tabular-nums; }
.tx-kind { font-size: 10.5px; font-weight: 700; fill: var(--slate); letter-spacing: 0.04em; text-transform: uppercase; }
.in-light { fill: #ffffff; } .in-dark { fill: #0b0b0b; }
.m-blue { fill: var(--blue); } .m-grey { fill: var(--grey); } .m-track { fill: var(--track); }
.m-good { fill: var(--good); } .m-warning { fill: var(--warning); } .m-critical { fill: var(--critical); } .m-unknown { fill: var(--unknown); }
.grid { stroke: var(--grid); stroke-width: 1; shape-rendering: crispEdges; }
.axis { stroke: var(--axis); stroke-width: 1; shape-rendering: crispEdges; }
.thresh { stroke: var(--axis); stroke-width: 1.5; }
.whisk { stroke: var(--ink-2); stroke-width: 1.5; }
.conn-blue { stroke: var(--blue-soft); stroke-width: 3; } .conn-grey { stroke: var(--grey-soft); stroke-width: 3; }
.dot-blue { fill: var(--blue); stroke: var(--paper); stroke-width: 2; }
.dot-grey { fill: var(--grey); stroke: var(--paper); stroke-width: 2; }
.ring-blue { fill: var(--paper); stroke: var(--blue); stroke-width: 2.5; }
.ring-grey { fill: var(--paper); stroke: var(--grey); stroke-width: 2.5; }
.ln-blue { fill: none; stroke: var(--blue); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.ln-grey { fill: none; stroke: var(--grey); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.cross { stroke: var(--slate); stroke-width: 1; }
.hitbox { fill: transparent; }
.hitbox:focus { outline: none; }
.hitbox:focus-visible { stroke: var(--ink); stroke-width: 1.5; }
.row:hover .m-blue, .row:hover .m-grey, .row:hover .dot-blue, .row:hover .m-good,
.row:hover .m-warning, .row:hover .m-critical, .row:hover .m-unknown { filter: brightness(1.07); }
.chart-tip {
  position: fixed; z-index: 40; pointer-events: none;
  background: var(--paper); color: var(--ink);
  border: 1px solid var(--rule); border-radius: 8px;
  box-shadow: 0 6px 20px rgba(16, 31, 51, 0.16);
  padding: 8px 10px; font-size: 0.82rem; max-width: 280px;
  display: flex; flex-direction: column; gap: 2px;
}
.chart-tip strong { font-size: 0.92rem; font-variant-numeric: tabular-nums; }
.chart-tip span { color: var(--slate); }
.chart-tip .tip-row { display: flex; align-items: center; gap: 6px; color: var(--ink); }
.chart-tip .tip-row i { width: 12px; height: 2px; display: inline-block; }

/* Footer */
.site-footer { background: var(--ink); color: #dfe5ec; margin-top: 0; }
.site-footer .wrap { padding-top: 40px; padding-bottom: 48px; display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr)); gap: 28px; }
.site-footer b { color: #fff; font-size: 1.05rem; }
.site-footer p { font-size: 0.9rem; color: #c3ccd6; max-width: 46ch; margin-top: 8px; }
.site-footer nav { display: flex; flex-direction: column; gap: 6px; font-size: 0.92rem; }
.site-footer a { color: #fff; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; color: #fff; }
.site-footer .fine { grid-column: 1 / -1; font-size: 0.82rem; color: #aab6c3; border-top: 1px solid rgba(255, 255, 255, 0.14); padding-top: 16px; }

/* Simple pages */
.simple { padding-top: 64px; padding-bottom: 80px; }
.simple .wrap { display: flex; flex-direction: column; gap: 18px; }

@media (max-width: 960px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 40px; }
  .kinds, .method-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat:nth-child(2) { border-right: 0; margin-right: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--rule); }
  .signup-wrap { grid-template-columns: 1fr; gap: 28px; }
  .fanout { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ladder { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .loop { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .chooser { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .wrap { padding-left: 16px; padding-right: 16px; }
  .section { padding-top: 52px; padding-bottom: 52px; }
  .site-header .wrap { gap: 12px 16px; }
  .site-nav { order: 3; width: 100%; gap: 18px; overflow-x: auto; }
  .topbar .wrap { flex-direction: column; gap: 0; }
  .shift, .parts, .previews { grid-template-columns: 1fr; }
  .signup { grid-template-columns: 1fr; padding: 18px; }
  .toc { grid-template-columns: 1fr; }
  .site-footer .wrap { grid-template-columns: 1fr; }
  .qkey { grid-template-columns: 1fr; }
  .chart-card { padding: 16px 16px 14px; }
}
@media (max-width: 520px) {
  .kinds, .method-grid, .stats, .ladder { grid-template-columns: 1fr; }
  .stat { border-right: 0; margin-right: 0; border-top: 1px solid var(--rule); }
  .stat:first-child { border-top: 0; }
  .fanout { grid-template-columns: 1fr; }
  .loop { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-fig b { font-size: 2.5rem; }
}

/* Fixes after the first visual review */
.err:empty { display: none; }
.previews { align-items: start; }
.site-footer .fine { max-width: none; }
.answer-mock { margin: 0; }
.answer-mock .named strong { white-space: nowrap; }
ol.list { list-style: none; counter-reset: item; padding-left: 0; }
ol.list > li { counter-increment: item; position: relative; padding-left: 30px; }
ol.list > li::before { content: counter(item); position: absolute; left: 0; top: 0; font-weight: 750; color: var(--red); font-variant-numeric: tabular-nums; }