:root {
  --paper: #fbf8f1;
  --ink: #22201c;
  --muted: #5b554b;
  --link: #7a4f0e;
  --window: #edb847;
  --display: "Bookman Old Style", "URW Bookman", "URW Bookman L", Bookman, Georgia, serif;
  --text: Georgia, "Iowan Old Style", "Palatino Linotype", serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #1c1a16;
    --ink: #ece6d8;
    --muted: #b8b0a0;
    --link: #f0c461;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--text);
  font-size: clamp(1.15rem, 1rem + 0.6vw, 1.35rem);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
  width: 100%;
  max-width: 34rem;
  margin: 0 auto;
  padding: clamp(2.5rem, 8vh, 5rem) 1rem 2rem;
}

header { text-align: center; }

h1 { margin: 0; line-height: 0; }

.mark { width: min(15rem, 64vw); height: auto; }

.promise {
  margin: 1.75rem 0 0;
  font-family: var(--display);
  font-size: 1.3em;
  line-height: 1.45;
}

hr {
  width: 3rem;
  margin: 2.25rem auto;
  border: 0;
  border-top: 3px solid var(--window);
}

p { margin: 0 0 1.1rem; }

.contact { margin-top: 2.5rem; text-align: center; }

h2 {
  margin: 0 0 0.25rem;
  font-family: var(--display);
  font-size: 1em;
  font-weight: normal;
  color: var(--muted);
}

a { color: var(--link); text-underline-offset: 0.2em; overflow-wrap: anywhere; }

a:focus-visible { outline: 3px solid var(--window); outline-offset: 3px; }

footer {
  padding: 1.5rem 1rem 2rem;
  text-align: center;
  font-size: 0.85em;
  color: var(--muted);
}