/* The app's own palette: pale sky, deep teal ink. */
:root {
  --paper: #eaf8fc;
  --accent: #16728a;
  --ink: #0a2f3a;
  --muted: #4a6f79;
  --card: #ffffff;
  --line: rgba(22, 114, 138, 0.2);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 20px;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

main { max-width: 680px; margin: 0 auto; padding: 56px 0 72px; }

header.hero { text-align: center; padding-bottom: 8px; }
header.hero img { width: 104px; height: 104px; border-radius: 24px; box-shadow: 0 6px 18px rgba(0,0,0,.12); }
h1 { font-size: 34px; margin: 20px 0 4px; letter-spacing: -0.5px; }
.tagline { color: var(--accent); font-size: 19px; margin: 0; }
.lede { color: var(--muted); margin: 22px auto 0; max-width: 34em; }

a { color: var(--accent); }
a.button {
  display: inline-block; margin-top: 26px; padding: 13px 26px;
  background: var(--accent); color: #fff; text-decoration: none;
  border-radius: 999px; font-weight: 600;
}
.note { font-size: 14px; color: var(--muted); margin-top: 10px; }

h2 { font-size: 22px; margin: 48px 0 14px; }
h3 { font-size: 18px; margin: 30px 0 6px; }

.card { background: var(--card); border-radius: 16px; padding: 18px 20px; margin: 12px 0; }
.card h3 { margin: 0 0 4px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

ul { padding-left: 1.1em; }
li { margin: 6px 0; }

.kicker { font-size: 13px; color: var(--muted); margin: 34px 0 6px; }

footer {
  max-width: 680px; margin: 0 auto; padding: 26px 0 50px;
  border-top: 1px solid var(--line); color: var(--muted); font-size: 14px;
  display: flex; gap: 16px; flex-wrap: wrap; justify-content: center;
}

@media (max-width: 520px) {
  main { padding: 36px 0 48px; }
  h1 { font-size: 28px; }
  body { font-size: 16px; }
}