/* Hindsight: one stylesheet, no build step. */
:root {
  --ground: #F5F4EF;
  --card: #FFFFFF;
  --line: #E2E0D8;
  --ink: #17181C;
  --muted: #55575E;
  --working: #1E6B45;
  --working-tint: #E8F1EC;
  --hurting: #B4410E;
  --hurting-tint: #FBEEE7;
  --radius: 12px;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--ground); color: var(--ink);
  font: 400 16px/1.5 var(--sans);
}
a { color: var(--working); text-underline-offset: 2px; }
a:hover { color: var(--ink); }
:focus-visible { outline: 3px solid var(--working); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5rem; }
h1 { font-size: 2rem; font-weight: 600; letter-spacing: -0.01em; }
h2 { font-size: 1.125rem; font-weight: 600; }
h3 { font-size: 1rem; font-weight: 600; }
p { margin: 0 0 .75rem; }
.mono { font-family: var(--mono); font-feature-settings: "tnum"; }
.small, .hint, .fine { font-size: .875rem; color: var(--muted); }
.empty { color: var(--muted); }

.skip { position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff; padding: .5rem 1rem; }
.skip:focus { left: 1rem; top: 1rem; z-index: 10; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
main.wrap { padding-top: 1.5rem; padding-bottom: 2rem; }

/* top bar */
.topbar {
  display: flex; align-items: center; flex-wrap: wrap; gap: .75rem 1.5rem;
  max-width: 1080px; margin: 0 auto; padding: 1rem 16px;
  border-bottom: 1px solid var(--line);
}
.wordmark { font-weight: 600; font-size: 1.125rem; color: var(--ink); text-decoration: none; }
.demo-badge {
  font-size: .75rem; border: 1px solid var(--line); background: var(--card);
  border-radius: 999px; padding: .1rem .55rem; color: var(--muted);
}
.nav { display: flex; flex-wrap: wrap; gap: .25rem 1.25rem; margin-left: auto; }
.nav a { color: var(--ink); text-decoration: none; padding: .25rem 0; border-bottom: 2px solid transparent; }
.nav a:hover { border-bottom-color: var(--line); }
.nav a[aria-current="page"] { border-bottom-color: var(--ink); font-weight: 500; }
.signout { margin: 0; }
.link-button {
  background: none; border: 0; padding: .25rem 0; font: inherit; color: var(--working);
  text-decoration: underline; text-underline-offset: 2px; cursor: pointer;
}

/* cards */
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.25rem; margin-bottom: 1rem; min-width: 0;
}
.narrow { max-width: 560px; }
.page-head { margin-bottom: 1rem; }
.page-head .small { margin-bottom: .25rem; }

.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 1rem; }
.kpi { margin: 0; padding: 1rem 1.25rem; }
.kpi-label { font-size: .875rem; color: var(--muted); margin-bottom: .25rem; }
.kpi-value { font: 500 2rem/1.1 var(--mono); margin: 0; }
.kpi-note { font-size: .8125rem; color: var(--muted); margin: .35rem 0 0; }

/* the watch-time line */
.watch h2 .mono { font-weight: 500; }
.claim { font-size: 1.0625rem; }
.strip-wrap { overflow-x: auto; }
.strip { display: block; width: 100%; min-width: 520px; height: auto; margin: .5rem 0 .25rem; }
.strip .baseline, .strip .tick { stroke: var(--muted); stroke-width: 1; }
.strip .axis { font: 400 12px var(--mono); fill: var(--muted); }
.strip .cut { stroke: var(--ink); stroke-width: 2; stroke-dasharray: 5 4; }
.strip .cut-label { font: 500 13px var(--mono); fill: var(--ink); }
.strip .dot { fill: var(--card); stroke: var(--muted); stroke-width: 1.5; }
.strip .dot.hit { fill: var(--working); stroke: var(--working); }
.legend .key {
  display: inline-block; width: .7rem; height: .7rem; border-radius: 50%;
  border: 1.5px solid var(--muted); vertical-align: -1px; margin-left: .35rem;
}
.legend .key.hit { background: var(--working); border-color: var(--working); margin-left: 0; }

/* working / hurting */
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.working { border-top: 4px solid var(--working); }
.hurting { border-top: 4px solid var(--hurting); }
.working h2 { color: var(--working); }
.hurting h2 { color: var(--hurting); }
.verdicts { list-style: none; margin: 0; padding: 0; }
.verdicts li { padding: .75rem 0; border-top: 1px solid var(--line); }
.verdicts li:first-child { border-top: 0; padding-top: .25rem; }
.verdicts .claim { margin-bottom: .25rem; font-weight: 500; }
.verdicts .small { margin: 0; }
.pill {
  display: inline-block; font-size: .75rem; font-weight: 500; border-radius: 999px;
  padding: .05rem .5rem; margin-right: .35rem; border: 1px solid currentColor;
}
.working .firm .pill { background: var(--working); border-color: var(--working); color: #fff; }
.working .likely .pill { color: var(--working); background: var(--working-tint); }
.hurting .firm .pill { background: var(--hurting); border-color: var(--hurting); color: #fff; }
.hurting .likely .pill { color: var(--hurting); background: var(--hurting-tint); }

/* tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .9375rem; }
caption { caption-side: bottom; text-align: left; font-size: .8125rem; color: var(--muted); padding-top: .5rem; }
th, td { text-align: left; padding: .5rem .75rem .5rem 0; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 500; font-size: .8125rem; color: var(--muted); }
td.num, th.num { text-align: right; font-family: var(--mono); font-feature-settings: "tnum"; white-space: nowrap; }
th.num { font-family: var(--sans); }

/* funnel */
.rates { display: flex; flex-wrap: wrap; gap: 1rem 2.5rem; margin: 0 0 .75rem; }
.rates dt { font-size: .875rem; color: var(--muted); }
.rates dd { margin: 0; font-size: 1.5rem; font-weight: 500; }
.warn {
  border-left: 4px solid var(--hurting); background: var(--hurting-tint); color: var(--ink);
  padding: .65rem .85rem; border-radius: 0 8px 8px 0; margin: .5rem 0 0;
}

/* forms */
.test-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 1rem; align-items: start; }
.field { margin-bottom: 1rem; }
label { display: block; font-weight: 500; margin-bottom: .3rem; }
input[type="text"], input[type="number"], input[type="datetime-local"], select, textarea {
  width: 100%; font: inherit; color: var(--ink); background: var(--card);
  border: 1px solid #8C8E94; border-radius: 8px; padding: .55rem .7rem;
}
textarea { resize: vertical; }
.hint { margin: .3rem 0 0; }
.button {
  display: inline-block; font: 500 1rem var(--sans); color: #fff; background: var(--ink);
  border: 1px solid var(--ink); border-radius: 8px; padding: .65rem 1.1rem;
  text-decoration: none; cursor: pointer;
}
.button:hover { background: var(--working); border-color: var(--working); color: #fff; }
.error { border-left: 4px solid var(--hurting); background: var(--hurting-tint); padding: .65rem .85rem; border-radius: 0 8px 8px 0; }
.notice { border-left: 4px solid var(--working); background: var(--working-tint); padding: .65rem .85rem; border-radius: 0 8px 8px 0; }
.inline-form { display: flex; flex-wrap: wrap; gap: .75rem; align-items: end; }
.inline-form .field { flex: 1 1 220px; margin: 0; }
.handles { list-style: none; padding: 0; margin: 0 0 1rem; }
.handles li { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .5rem 0; border-bottom: 1px solid var(--line); }
.handles form { margin: 0; }

/* score */
.score .big { font-size: 3rem; font-weight: 500; line-height: 1; margin: .25rem 0 .35rem; }
.tip { border-left: 4px solid var(--working); background: var(--working-tint); padding: .75rem 1rem; border-radius: 0 8px 8px 0; margin: 1rem 0; }
.tip p { margin: 0; }

/* landing */
.hero { max-width: 44rem; padding: 2rem 0 1rem; }
.hero h1 { font-size: 2.5rem; line-height: 1.1; margin-bottom: 1rem; }
.lede { font-size: 1.125rem; }
.finding { margin: 2rem 0 0; padding: 1.25rem 1.5rem; background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--working); border-radius: var(--radius); }
.finding blockquote { margin: 0; }
.finding blockquote p { font: 500 1.125rem/1.45 var(--mono); margin: 0 0 .5rem; }
.finding figcaption { font-size: .875rem; color: var(--muted); }
.steps ol { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; counter-reset: step; }
.steps li { counter-increment: step; border-top: 2px solid var(--ink); padding-top: .75rem; }
.steps li h2::before { content: counter(step) ". "; font-family: var(--mono); color: var(--muted); }
.steps p { color: var(--muted); font-size: .9375rem; }

/* weekly report */
.report { max-width: 60rem; }
.report h1 { font-size: 1.5rem; }
.report h2 { margin-top: 1.5rem; }
.report ul { padding-left: 1.25rem; }
.report li { margin-bottom: .4rem; }

.foot { padding-bottom: 2rem; }
.foot p { font-size: .8125rem; color: var(--muted); max-width: 44rem; }

@media (max-width: 720px) {
  h1, .hero h1 { font-size: 1.75rem; }
  .kpis { grid-template-columns: 1fr 1fr; }
  .pair, .test-grid { grid-template-columns: 1fr; }
  .steps ol { grid-template-columns: 1fr; }
  .nav { margin-left: 0; width: 100%; }
  .kpi-value { font-size: 1.6rem; }
  .table-wrap table { min-width: 560px; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } }

/* legal pages and footer links */
.prose { max-width: 44rem; }
.prose h1 { margin-bottom: .25rem; }
.prose h2 { font-size: 1.125rem; margin: 1.75rem 0 .5rem; }
.prose p { line-height: 1.6; }
.muted { color: var(--muted); font-size: .875rem; }
.foot-links { display: flex; flex-wrap: wrap; gap: 1rem; }
.foot-links span { color: var(--muted); }