:root {
  color-scheme: dark;

  --bg: #101319;
  --bg-soft: #171b23;
  --line: #262c38;
  --text: #e9ecf2;
  --muted: #98a1b3;
  --faint: #6c7689;
  --accent: #8fb4ff;

  --radius: 14px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  padding: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(900px 520px at 50% -140px, #1f2634 0%, rgba(31, 38, 52, 0) 70%),
    var(--bg);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px 96px;
}

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

.hero {
  text-align: center;
  padding: 88px 0 56px;
}

.app-icon {
  width: 112px;
  height: 112px;
  border-radius: 25px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
}

h1 {
  margin: 26px 0 0;
  font-size: 46px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 650;
}

.tagline {
  margin: 12px 0 0;
  font-size: 21px;
  color: var(--text);
}

.sub {
  margin: 14px auto 0;
  max-width: 34em;
  color: var(--muted);
}

/* ---------- call to action ---------- */

.cta {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  margin-top: 34px;
  padding: 12px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-soft);
  color: var(--text);
  text-decoration: none;
}

.cta-top {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--faint);
}

.cta-main {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.cta.is-placeholder {
  cursor: default;
  opacity: 0.75;
}

.cta-note {
  margin: 14px 0 0;
  font-size: 14px;
  color: var(--faint);
}

/* ---------- palette mock ---------- */

.demo {
  margin-top: 24px;
}

.palette {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(23, 27, 35, 0.92);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.palette-field {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

.palette-glyph {
  flex: none;
  color: var(--faint);
}

.palette-query {
  font-size: 22px;
  letter-spacing: -0.01em;
}

.caret {
  width: 2px;
  height: 24px;
  background: var(--accent);
  border-radius: 1px;
  animation: blink 1.1s steps(1, end) infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .caret { animation: none; }
}

.palette-results {
  margin: 0;
  padding: 8px;
  list-style: none;
}

.palette-results li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 12px;
  border-radius: 10px;
  font-size: 16px;
}

.palette-results .is-selected {
  background: rgba(143, 180, 255, 0.14);
}

.tile {
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 7px;
  display: grid;
  place-items: center;
  background: #2a3140;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.name { flex: 1; }

.kind {
  font-size: 13px;
  color: var(--faint);
}

.palette-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  padding: 12px 20px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--faint);
}

kbd {
  display: inline-block;
  min-width: 20px;
  padding: 1px 6px;
  margin-right: 3px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #212734;
  color: var(--muted);
  font-family: inherit;
  font-size: 0.92em;
  text-align: center;
}

kbd.big {
  font-size: 15px;
  padding: 4px 10px;
  color: var(--text);
}

.hotkey-line {
  margin: 20px 0 0;
  text-align: center;
  color: var(--muted);
  font-size: 15px;
}

/* ---------- features ---------- */

.features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px 40px;
  margin-top: 72px;
  padding-top: 56px;
  border-top: 1px solid var(--line);
}

.feature h2 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.feature p {
  margin: 0;
  font-size: 15px;
  color: var(--muted);
}

/* ---------- closing note ---------- */

.promise {
  margin-top: 56px;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-soft);
}

.promise p {
  margin: 0;
  font-size: 15px;
  color: var(--muted);
}

footer {
  margin-top: 56px;
  text-align: center;
  font-size: 14px;
  color: var(--faint);
}

footer p { margin: 0; }

/* ---------- narrow screens ---------- */

@media (max-width: 560px) {
  body { font-size: 16px; }

  .hero { padding: 56px 0 40px; }

  h1 { font-size: 38px; }

  .tagline { font-size: 19px; }

  .features {
    grid-template-columns: 1fr;
    margin-top: 56px;
    padding-top: 40px;
  }

  .kind { display: none; }
}