/* Tallgrass site. Brand: gold #F2B33D, cream #FFF4D6, prairie green #1F3A2B (ADR 0022). */
:root {
  --gold: #F2B33D;
  --cream: #FFF4D6;
  --green: #1F3A2B;
  --bg: var(--cream);
  --text: var(--green);
  --muted: #4A5E50;
  --link: var(--green);
  --card: #FFFBEF;
  --rule: #E6D7AE;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14261C;
    --text: var(--cream);
    --muted: #C9C2A8;
    --link: var(--gold);
    --card: var(--green);
    --rule: #34503F;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 1.0625rem/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  border-top: 6px solid var(--gold);
}

main, header, footer {
  max-width: 42rem;
  margin: 0 auto;
  padding: 0 1rem;
}

header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-top: 1.25rem;
  padding-bottom: 0.5rem;
}

header a {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.15rem;
}

header img { width: 36px; height: 36px; border-radius: 8px; }

nav { margin-left: auto; display: flex; gap: 1rem; }
nav a { color: var(--link); }

h1 { font-size: 2rem; line-height: 1.2; margin: 1.5rem 0 0.75rem; }
h2 { font-size: 1.3rem; margin: 2rem 0 0.5rem; }
h3 { font-size: 1.1rem; margin: 1.5rem 0 0.25rem; }

a { color: var(--link); text-underline-offset: 0.15em; }
a:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; border-radius: 2px; }

ul { padding-left: 1.25rem; }
li { margin: 0.35rem 0; }
code { font-size: 0.95em; }

.hero { text-align: center; padding: 2rem 0 1rem; }
.hero img { width: 128px; height: 128px; border-radius: 28px; box-shadow: 0 6px 24px rgba(31, 58, 43, 0.25); }
.hero h1 { font-size: 2.5rem; margin-top: 1rem; }
.hero p { color: var(--muted); max-width: 34rem; margin: 0 auto; }

.links { display: flex; justify-content: center; gap: 0.75rem; flex-wrap: wrap; margin: 1.75rem 0; }

.button {
  display: inline-block;
  padding: 0.65rem 1.25rem;
  border-radius: 999px;
  background: var(--green);
  color: var(--cream);
  font-weight: 600;
  text-decoration: none;
}

@media (prefers-color-scheme: dark) {
  .button { background: var(--gold); color: var(--green); }
}

.card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 0.25rem 1.25rem;
  margin: 1rem 0;
}

footer {
  margin-top: 3rem;
  padding-top: 1rem;
  padding-bottom: 2rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.9rem;
}

footer a { color: var(--muted); }