:root {
  --blue: #0b63ce;
  --blue-deep: #083a78;
  --gold: #ffd43b;
  --bg: #ffffff;
  --bg-raised: #f5f7fa;
  --text: #1a2333;
  --text-soft: #55627a;
  --border: #e3e8f0;
  --link: #0b63ce;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1420;
    --bg-raised: #171f2e;
    --text: #e8edf5;
    --text-soft: #9aa7bd;
    --border: #263145;
    --link: #6db1ff;
  }
}

* {
  box-sizing: border-box;
  margin: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

header.site {
  border-bottom: 1px solid var(--border);
}

header.site .inner {
  max-width: 44rem;
  margin: 0 auto;
  padding: 0.9rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

header.site img {
  width: 30px;
  height: 30px;
  border-radius: 7px;
}

header.site .name {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  text-decoration: none;
}

header.site nav {
  margin-left: auto;
  display: flex;
  gap: 1.1rem;
}

header.site nav a {
  color: var(--text-soft);
  text-decoration: none;
  font-size: 0.92rem;
}

header.site nav a:hover {
  color: var(--link);
}

main {
  max-width: 44rem;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

h1 {
  font-size: 1.9rem;
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin-bottom: 0.4rem;
}

.effective {
  color: var(--text-soft);
  font-size: 0.92rem;
  margin-bottom: 2rem;
}

h2 {
  font-size: 1.2rem;
  margin: 2.1rem 0 0.6rem;
  letter-spacing: -0.01em;
}

p,
ul,
ol {
  margin-bottom: 1rem;
}

ul,
ol {
  padding-left: 1.4rem;
}

li {
  margin-bottom: 0.35rem;
}

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

strong {
  font-weight: 650;
}

.callout {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-left: 4px solid var(--gold);
  border-radius: 10px;
  padding: 0.9rem 1.1rem;
  margin: 1.4rem 0;
}

/* Landing page */

.hero {
  text-align: center;
  padding: 1.5rem 0 0.5rem;
}

.hero img.mark {
  width: 84px;
  height: 84px;
  border-radius: 20px;
}

.hero h1 {
  margin-top: 1rem;
  font-size: 2.2rem;
}

.hero .tagline {
  color: var(--text-soft);
  font-size: 1.1rem;
  max-width: 34rem;
  margin: 0.4rem auto 1.6rem;
}

.buttons {
  display: flex;
  gap: 0.8rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.btn {
  display: inline-block;
  padding: 0.72rem 1.35rem;
  border-radius: 10px;
  font-weight: 650;
  font-size: 0.98rem;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn.primary {
  background: var(--blue);
  color: #fff;
}

.btn.primary:hover {
  background: var(--blue-deep);
}

.btn.secondary {
  background: var(--bg-raised);
  color: var(--text);
  border-color: var(--border);
}

.btn.secondary:hover {
  border-color: var(--blue);
}

.store-note {
  color: var(--text-soft);
  font-size: 0.88rem;
  text-align: center;
  margin-bottom: 2.5rem;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 0.9rem;
  padding: 0;
  margin: 1.2rem 0 0;
  list-style: none;
}

.features li {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.95rem 1.05rem;
  margin: 0;
  font-size: 0.95rem;
}

.features b {
  display: block;
  margin-bottom: 0.15rem;
}

footer.site {
  border-top: 1px solid var(--border);
  color: var(--text-soft);
  font-size: 0.88rem;
}

footer.site .inner {
  max-width: 44rem;
  margin: 0 auto;
  padding: 1.4rem 1.25rem 2rem;
}

footer.site nav {
  display: flex;
  gap: 1.1rem;
  flex-wrap: wrap;
  margin-bottom: 0.7rem;
}

footer.site a {
  color: var(--text-soft);
}

footer.site a:hover {
  color: var(--link);
}