/* Treadline placeholder site.
   One stylesheet for every page. No external fonts, no external anything —
   vercel.json sets a Content-Security-Policy of default-src 'self', so an
   external request would simply be blocked rather than degrade. */

:root {
  --accent: #C5F52A;   /* volt lime — the app's accent, same value */
  --ink: #111111;
  --ink-2: #505050;
  --ink-3: #6B6B6B;
  --rule: #E6E6E6;
  --field: #F5F5F5;
  --bg: #FFFFFF;
  --max: 43rem;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        Helvetica, Arial, sans-serif;
  padding: 0 20px;
}

.skip-link {
  position: absolute;
  left: -9999px;
}
.skip-link:focus {
  left: 20px;
  top: 12px;
  background: var(--accent);
  color: var(--ink);
  padding: 8px 14px;
  border-radius: 8px;
  z-index: 2;
}

header.site {
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px 0 0;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.01em;
  color: var(--ink);
  text-decoration: none;
}

.mark {
  width: 13px;
  height: 13px;
  border-radius: 4px;
  background: var(--accent);
  display: inline-block;
}

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 0 72px;
}

.hero { padding: 56px 0 8px; }

h1 {
  font-size: clamp(30px, 6vw, 42px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
}

.lede {
  font-size: 19px;
  color: var(--ink-2);
  margin: 0 0 28px;
  max-width: 34rem;
}

.invite {
  background: var(--field);
  border-radius: 14px;
  padding: 18px 20px;
  margin: 0 0 28px;
  font-size: 16px;
}
.invite strong { font-weight: 600; }

.badge {
  display: inline-block;
  background: var(--ink);
  color: var(--bg);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 999px;
  margin: 0 0 22px;
}

/* The app's display face is compressed, heavy and italic. No web fonts under
   this CSP, so condensed system faces stand in, with font-stretch as the
   fallback where none is installed. */
h1.display {
  font-family: "Helvetica Neue Condensed", "HelveticaNeue-CondensedBlack",
               "Arial Narrow", "Roboto Condensed", sans-serif;
  font-stretch: condensed;
  font-style: italic;
  font-weight: 900;
  text-transform: uppercase;
  font-size: clamp(44px, 11vw, 84px);
  line-height: 0.95;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
}
.dot { color: var(--accent); }

ul.features {
  list-style: none;
  padding: 0;
  margin: 24px 0 36px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 12px;
}
ul.features li {
  background: var(--field);
  border-radius: 14px;
  padding: 18px 20px;
  font-size: 16px;
  color: var(--ink-2);
}
ul.features strong {
  display: block;
  color: var(--ink);
  font-style: italic;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 0 0 4px;
}

.support { margin: 0 0 28px; }

nav.legal {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  border-top: 1px solid var(--rule);
  padding-top: 22px;
  margin-top: 8px;
  font-size: 16px;
}

a { color: var(--ink); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--accent); }

/* Legal documents ---------------------------------------------------------- */

.doc { padding: 40px 0 0; }
.doc h1 { font-size: clamp(26px, 5vw, 34px); }

.meta {
  color: var(--ink-3);
  font-size: 15px;
  margin: -6px 0 30px;
}

.doc h2 {
  font-size: 20px;
  letter-spacing: -0.01em;
  margin: 38px 0 10px;
  padding-top: 4px;
}

.doc h3 { font-size: 17px; margin: 24px 0 6px; }

.doc p, .doc li { color: #232323; }
.doc li { margin: 0 0 7px; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0 24px;
  font-size: 15.5px;
  display: block;
  overflow-x: auto;
}
th, td {
  text-align: left;
  vertical-align: top;
  padding: 9px 12px 9px 0;
  border-bottom: 1px solid var(--rule);
}
th { font-weight: 600; white-space: nowrap; }

footer.doc-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  border-top: 1px solid var(--rule);
  margin-top: 46px;
  padding-top: 20px;
  font-size: 16px;
  color: var(--ink-3);
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #F2F2F2;
    --ink-2: #B4B4B4;
    --ink-3: #909090;
    --rule: #2A2A2A;
    --field: #161616;
    --bg: #0C0C0C;
  }
  .doc p, .doc li { color: #DCDCDC; }
}