:root {
  --bg: #f7f5f2;
  --fg: #1c1b1a;
  --muted: #5c5955;
  --accent: #b45309;
  --border: #ddd8d0;
  --card: #ffffff;
  --max: 42rem;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light dark;
}

body {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  background: linear-gradient(180deg, #efeae3 0%, var(--bg) 28%, var(--bg) 100%);
  color: var(--fg);
  line-height: 1.6;
  min-height: 100vh;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141312;
    --fg: #f3efe8;
    --muted: #a8a29a;
    --accent: #f59e0b;
    --border: #3f3a34;
    --card: #1c1a18;
  }

  body {
    background: linear-gradient(180deg, #0f0e0d 0%, var(--bg) 40%, var(--bg) 100%);
  }
}

header,
main,
footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.5rem 1.25rem;
}

header {
  padding-top: 2.5rem;
  padding-bottom: 0.5rem;
}

.brand {
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  font-weight: 700;
  font-size: 1.75rem;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--fg);
}

.brand span {
  color: var(--accent);
}

nav {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.95rem;
}

nav a {
  color: var(--accent);
  text-decoration: none;
}

nav a:hover,
nav a:focus-visible {
  text-decoration: underline;
}

h1 {
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  font-size: 1.75rem;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
}

h2 {
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  font-size: 1.15rem;
  margin: 1.75rem 0 0.5rem;
}

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

.lead {
  color: var(--muted);
  font-size: 1.05rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.25rem;
  margin: 1.25rem 0;
}

ul {
  padding-left: 1.25rem;
}

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

form {
  display: grid;
  gap: 0.85rem;
  margin-top: 1rem;
}

label {
  display: grid;
  gap: 0.35rem;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.9rem;
}

input,
textarea {
  font: inherit;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--card);
  color: var(--fg);
}

textarea {
  min-height: 8rem;
  resize: vertical;
}

button {
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  font-weight: 600;
  border: none;
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--accent);
  color: #111;
  cursor: pointer;
  width: fit-content;
}

button:hover,
button:focus-visible {
  filter: brightness(1.05);
}

.note {
  font-size: 0.9rem;
  color: var(--muted);
}

footer {
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}

footer nav {
  margin-top: 0.75rem;
}