/* KithMoot marketing page.
 *
 * One stylesheet, no build step - the whole site is `site/`, copied verbatim
 * into the published artefact. Two palettes, both fully specified: nothing
 * here is grey text on a grey field, at either end of the switch. */

:root {
  color-scheme: light dark;

  --bg: #ffffff;
  --surface: #eef2f6;
  --border: #b3bcc7;
  --text: #0e1013;
  /* Secondary text still clears 10:1 on the page background. There is no
   * "muted" grey anywhere: quieter copy is quieter by size, not by fading. */
  --text-2: #333a43;
  --accent: #005b78;
  --accent-ink: #ffffff;
  --yes: #0b5c2c;
  --maybe: #7a4300;
  --no: #99150d;

  --measure: 48rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101114;
    --surface: #1a1c21;
    --border: #3a3f48;
    --text: #f4f6f8;
    --text-2: #ccd3dc;
    --accent: #4ecbff;
    --accent-ink: #06131a;
    --yes: #63d68c;
    --maybe: #ffc14d;
    --no: #ff9a90;
  }
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  padding: 0 1.25rem 4rem;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  /* Sized for reading across a room, not for fitting more in. */
  font-size: clamp(1.125rem, 0.95rem + 0.55vw, 1.375rem);
  line-height: 1.6;
  text-wrap: pretty;
}

a {
  color: var(--accent);
  text-decoration-thickness: 0.09em;
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 0.16em;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.92em;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.06em 0.34em;
  overflow-wrap: anywhere;
}

.skip {
  position: absolute;
  left: -9999px;
}

.skip:focus {
  position: static;
  display: inline-block;
  padding: 0.5rem 1rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* ---- hero ---- */

.hero {
  max-width: var(--measure);
  margin: 0 auto;
  padding: clamp(3rem, 9vw, 6rem) 0 clamp(2rem, 6vw, 4rem);
  text-align: left;
}

.mark {
  display: block;
  width: clamp(3rem, 8vw, 4.5rem);
  height: auto;
  fill: var(--accent);
  margin-bottom: 1.25rem;
}

h1 {
  font-size: clamp(3rem, 12vw, 5.5rem);
  line-height: 1;
  letter-spacing: -0.03em;
  margin: 0;
}

.tagline {
  font-size: clamp(1.5rem, 5vw, 2.25rem);
  line-height: 1.2;
  font-weight: 600;
  color: var(--accent);
  margin: 0.6rem 0 0;
}

.under {
  color: var(--text-2);
  margin: 0;
  font-size: 0.95em;
}

/* ---- buttons ---- */

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin: 2rem 0 1rem;
}

.button {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border: 2px solid var(--accent);
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
  color: var(--accent);
  background: transparent;
}

.button.primary {
  background: var(--accent);
  color: var(--accent-ink);
}

.button:hover {
  text-decoration: underline;
  text-decoration-thickness: 0.12em;
}

/* ---- sections ---- */

main,
footer {
  max-width: var(--measure);
  margin: 0 auto;
}

section,
footer {
  padding-top: clamp(2.5rem, 7vw, 4.5rem);
}

section + section,
footer {
  border-top: 2px solid var(--border);
  margin-top: clamp(2.5rem, 7vw, 4.5rem);
}

h2 {
  font-size: clamp(1.6rem, 4.5vw, 2.4rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  text-wrap: balance;
}

p {
  margin: 0 0 1.1rem;
}

.lead {
  font-size: 1.12em;
}

.claim h2 {
  color: var(--accent);
}

/* ---- definition lists ---- */

dl {
  margin: 1.5rem 0 0;
}

dt {
  font-weight: 700;
  font-size: 1.06em;
  margin-top: 1.75rem;
}

dd {
  margin: 0.4rem 0 0;
  padding-left: 1rem;
  border-left: 3px solid var(--border);
  color: var(--text-2);
}

/* ---- screenshots ---- */

.shots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin-top: 2rem;
}

.shots figure {
  /* A single column on a phone must not render a phone screenshot at the
   * full reading measure - it would be taller than the viewport twice over. */
  max-width: 20rem;
  margin: 0 auto;
}

.shots a {
  display: block;
  border-radius: 12px;
  overflow: hidden;
  border: 2px solid var(--border);
  background: var(--surface);
}

.shots img {
  display: block;
  width: 100%;
  height: auto;
}

/* Three phones side by side need more than the reading measure. Gated on a
 * viewport wide enough that the wider grid still fits inside the body's own
 * padding, so this can never produce a horizontal scrollbar. */
@media (min-width: 64rem) {
  .shots {
    width: 60rem;
    margin-inline: calc((100% - 60rem) / 2);
  }
}

figcaption {
  margin-top: 0.9rem;
  font-size: 0.95em;
  color: var(--text-2);
}

/* ---- platform table ---- */

.scroller {
  overflow-x: auto;
  margin: 1.5rem 0;
  border: 2px solid var(--border);
  border-radius: 10px;
}

table {
  border-collapse: collapse;
  width: 100%;
  min-width: 34rem;
  font-size: 0.95em;
}

th,
td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

tbody tr:last-child th,
tbody tr:last-child td {
  border-bottom: 0;
}

thead th {
  background: var(--surface);
  font-size: 0.85em;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

tbody th {
  font-weight: 700;
}

.qualifier {
  font-weight: 400;
  color: var(--text-2);
  white-space: nowrap;
}

td {
  font-weight: 700;
}

td.yes {
  color: var(--yes);
}

td.maybe {
  color: var(--maybe);
}

td.no {
  color: var(--no);
}

/* ---- lists ---- */

.limits,
.links {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
}

.limits li,
.links li {
  padding-left: 1rem;
  border-left: 3px solid var(--border);
  margin-bottom: 1.25rem;
  color: var(--text-2);
}

.limits strong,
.links a {
  color: var(--text);
}

.links a {
  color: var(--accent);
  font-weight: 700;
}

/* ---- footer ---- */

footer {
  padding-bottom: 2rem;
}

.colophon {
  margin-top: 2rem;
  color: var(--text-2);
}