/* Tallydown site — colors from TallydownUI's ColorTokens. */

/* Self-hosted fonts (Google Fonts latin subsets, SIL Open Font License). */
@font-face {
  font-family: "Barlow Condensed";
  font-weight: 700;
  font-display: swap;
  src: url("/assets/fonts/barlow-condensed-700.woff2") format("woff2");
}

@font-face {
  font-family: "Inter";
  font-weight: 100 900;
  font-display: swap;
  src: url("/assets/fonts/inter.woff2") format("woff2");
}

@font-face {
  font-family: "JetBrains Mono";
  font-weight: 100 800;
  font-display: swap;
  src: url("/assets/fonts/jetbrains-mono.woff2") format("woff2");
}

:root {
  --board: #0E0F10;
  --board-raised: #17191B;
  --tile: #202326;
  --hairline: #2A2D31;
  --ink: #F3EFE4;
  --ink-muted: #8E9297;
  --signal: #FFC629;
  --on-signal: #0E0F10;

  /* The reading surface: paper in light mode, the board in dark mode. */
  --page: #F4EEDF;
  --page-ink: #16171A;
  --page-muted: #6F6A5E;
  --page-line: #D9D1BD;
  --page-link: #8A4006;
  --page-raised: #E9E1CC;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #0E0F10;
    --page-ink: #F3EFE4;
    --page-muted: #A3A7AC;
    --page-line: #2A2D31;
    --page-link: #FFC629;
    --page-raised: #17191B;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--page);
  color: var(--page-ink);
  font: 400 16px/1.6 "Inter", system-ui, -apple-system, sans-serif;
}

a { color: var(--page-link); text-underline-offset: 2px; }

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Board header */
.board {
  background: var(--board);
  color: var(--ink);
  border-bottom: 1px solid var(--hairline);
}

.board .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 16px;
  padding-bottom: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
}

.tiles { display: inline-flex; gap: 3px; }

.tile {
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 32px;
  border-radius: 5px;
  background: var(--tile);
  color: var(--signal);
  font: 800 17px/1 "JetBrains Mono", ui-monospace, monospace;
  position: relative;
}

/* The split-flap seam */
.tile::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: var(--board);
}

.wordmark {
  font: 700 26px/1 "Barlow Condensed", system-ui, sans-serif;
  letter-spacing: 0.02em;
}

.board nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
}

.board nav a {
  color: var(--ink-muted);
  font: 700 12px/1 "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: 0.12em;
  text-decoration: none;
  padding: 8px 0;
}

.board nav a:hover,
.board nav a[aria-current="page"] { color: var(--signal); }

/* Reading column */
main.wrap { padding-top: 40px; padding-bottom: 56px; }

.eyebrow {
  margin: 0 0 8px;
  color: var(--page-muted);
  font: 700 12px/1.4 "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1, h2, h3 {
  font-family: "Barlow Condensed", system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.01em;
}

h1 { font-size: 48px; margin: 0 0 16px; }
h2 { font-size: 28px; margin: 40px 0 8px; }
h3 { font-size: 21px; margin: 28px 0 4px; }

p, ul, ol { margin: 0 0 14px; }
ul, ol { padding-left: 22px; }
li { margin-bottom: 6px; }

.lead { font-size: 18px; color: var(--page-muted); }

.callout {
  margin: 24px 0;
  padding: 16px 18px;
  border-radius: 14px;
  background: var(--page-raised);
  border: 1px solid var(--page-line);
}

.callout p:last-child { margin-bottom: 0; }

.button {
  display: inline-block;
  padding: 16px 22px;
  border-radius: 10px;
  background: var(--signal);
  color: var(--on-signal);
  font: 800 14px/1 "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: 0.1em;
  text-decoration: none;
}

/* Home hero */
.hero {
  background: var(--board);
  color: var(--ink);
}

.hero .wrap { padding-top: 56px; padding-bottom: 32px; }

.hero .eyebrow { color: var(--signal); }

.hero h1 { font-size: 64px; }

.hero p { color: var(--ink-muted); font-size: 18px; max-width: 34em; }

.flaps { display: flex; gap: 6px; margin: 8px 0 28px; }

.flaps .tile {
  width: 52px;
  height: 70px;
  font-size: 44px;
  border-radius: 6px;
  color: var(--ink);
}

footer {
  border-top: 1px solid var(--page-line);
  color: var(--page-muted);
  font-size: 14px;
}

footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  padding-top: 20px;
  padding-bottom: 32px;
}

footer nav { display: flex; flex-wrap: wrap; gap: 4px 16px; }

.hero .cta { margin-top: 28px; }

/* Screenshot strip */
.screens {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  margin: 0;
  padding: 0 16px 32px;
  list-style: none;
}

.screens li { flex: 0 0 auto; margin: 0; scroll-snap-align: center; }

.screens img {
  display: block;
  width: 220px;
  height: auto;
  border-radius: 18px;
  border: 1px solid var(--hairline);
}

/* Centers the strip when it fits, without clipping its start when it scrolls. */
.screens li:first-child { margin-left: auto; }
.screens li:last-child { margin-right: auto; }

@media (min-width: 752px) {
  .screens img { width: 180px; }
}

/* Tables */
.table-scroll { overflow-x: auto; margin: 0 0 14px; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

th, td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--page-line);
  text-align: left;
  vertical-align: top;
}

th {
  font: 700 12px/1.4 "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--page-muted);
}

th[scope="row"] { white-space: nowrap; }

/* Guide cards */
.cards { list-style: none; padding: 0; display: grid; gap: 12px; }

.cards li { margin: 0; }

.cards a {
  display: block;
  padding: 16px 18px;
  border-radius: 14px;
  background: var(--page-raised);
  border: 1px solid var(--page-line);
  color: var(--page-ink);
  text-decoration: none;
}

.cards a:hover { border-color: var(--page-link); }

.cards strong {
  display: block;
  font: 700 21px/1.2 "Barlow Condensed", system-ui, sans-serif;
  margin-bottom: 4px;
}

.cards span { color: var(--page-muted); font-size: 15px; }

/* App call to action inside a page */
.cta-box {
  margin: 32px 0;
  padding: 20px 22px;
  border-radius: 14px;
  background: var(--board);
  border: 1px solid var(--hairline);
  color: var(--ink);
}

.cta-box p { color: var(--ink-muted); }

.cta-box strong { color: var(--ink); }

.cta-box .button { margin-top: 4px; }

.cta-box p:last-child { margin-bottom: 0; }

@media (max-width: 480px) {
  h1 { font-size: 40px; }
  .hero h1 { font-size: 48px; }
  .flaps .tile { width: 40px; height: 54px; font-size: 34px; }
}