/* Four & Six — the smallest site that satisfies Apple and doesn't embarrass the app. */

:root {
  --ink: #e8e6e1;
  --ink-dim: #9c9892;
  --bg: #0e0f12;
  --rule: #24262b;
  --accent: #7fa9c9;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  padding: 0 1.5rem 6rem;
  background: var(--bg);
  color: var(--ink);
  font: 400 17px/1.65 ui-serif, "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 34rem;
  margin: 0 auto;
}

header {
  padding: 5rem 0 3rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 3rem;
}

header p {
  color: var(--ink-dim);
  margin: 0.4rem 0 0;
}

h1 {
  font-size: 1.9rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  margin: 0;
}

h2 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 2.75rem 0 0.75rem;
  letter-spacing: 0.01em;
}

p, li { color: var(--ink); }

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover { color: var(--ink); }

ul { padding-left: 1.2rem; }
li { margin-bottom: 0.6rem; }

.dim { color: var(--ink-dim); }

.updated {
  color: var(--ink-dim);
  font-size: 0.9rem;
  font-style: italic;
}

/* The one thing on the page that is asking for something. Quiet, but unmissable. */
.cta {
  margin: 2.75rem 0 0;
}

.cta a {
  display: inline-block;
  padding: 0.7rem 1.4rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.cta a:hover {
  background: var(--accent);
  color: var(--bg);
}

.cta-note {
  margin: 0.9rem 0 0;
  color: var(--ink-dim);
  font-size: 0.9rem;
}

nav {
  margin-top: 2rem;
  font-size: 0.95rem;
}

nav a { margin-right: 1.5rem; }

footer {
  margin-top: 4.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--rule);
  color: var(--ink-dim);
  font-size: 0.9rem;
}

footer a { color: var(--ink-dim); }

hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 3rem 0;
}

h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 2.25rem 0 0.6rem;
}