/* Deliberately self-contained: system fonts, no build step, no dependencies.
   Shares the palette with TenUp so the two read as the same hand. */

:root {
  color-scheme: light dark;
  --bg: #eef0f8;
  --surface: #ffffff;
  --line: rgba(30, 34, 56, 0.09);
  --text: #1e2238;
  --muted: #616881;
  --brand: #5a6be0;
  --accent: #ffb673;
  --accent-ink: #35200a;
  --good: #6fe0b8;
  --good-ink: #0b2e23;
  --shadow: 0 1px 2px rgba(30, 34, 56, 0.06), 0 3px 8px rgba(30, 34, 56, 0.05);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1220;
    --surface: #191e33;
    --line: rgba(255, 255, 255, 0.08);
    --text: #eceffa;
    --muted: #949cbc;
    --brand: #8b9cff;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.32), 0 4px 12px rgba(0, 0, 0, 0.24);
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 56px 20px 64px;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
}

main {
  max-width: 620px;
  margin-inline: auto;
}

h1 {
  margin: 0;
  font-size: clamp(30px, 8vw, 40px);
  font-weight: 800;
  letter-spacing: -0.035em;
}

.lede {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 17px;
}

h2 {
  margin: 48px 0 14px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

h3 {
  margin: 0 0 4px;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

p {
  margin: 0 0 10px;
}

a {
  color: var(--brand);
}

.card {
  display: flex;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow);
  color: inherit;
  text-decoration: none;
  transition: transform 0.14s cubic-bezier(0.2, 0.75, 0.3, 1);
}

.card:hover {
  transform: translateY(-2px);
}

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

.card__mark {
  display: flex;
  gap: 5px;
  flex: none;
}

.tile {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  font-size: 18px;
  font-weight: 700;
}

.tile.a {
  background: var(--accent);
  color: var(--accent-ink);
}

.tile.b {
  background: var(--good);
  color: var(--good-ink);
}

.go {
  display: inline-block;
  margin-top: 4px;
  color: var(--brand);
  font-size: 15px;
  font-weight: 600;
}

footer {
  margin-top: 56px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

footer a {
  margin-right: 16px;
  color: var(--muted);
  text-decoration: none;
}

@media (max-width: 420px) {
  .card {
    flex-direction: column;
  }
}