:root {
  color-scheme: light dark;
  --ink: #1c1917;
  --muted: #57534e;
  --bg: #f3eee4;
  --card: #fff;
  --accent: #0f766e;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f5f5f4;
    --muted: #a8a29e;
    --bg: #121417;
    --card: #1c2228;
  }
}
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
}
main {
  max-width: 40rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}
h1 {
  font-size: 1.75rem;
  letter-spacing: -0.03em;
  margin: 0 0 0.25rem;
}
h2 {
  font-size: 1.05rem;
  margin: 1.75rem 0 0.5rem;
}
p,
li {
  color: var(--muted);
}
.date {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
}
nav {
  display: flex;
  gap: 1rem;
  margin: 1.25rem 0 0;
}
nav a,
.links a {
  color: var(--accent);
}
.card {
  background: var(--card);
  border-radius: 1rem;
  padding: 1.25rem 1.35rem;
  margin-top: 1.25rem;
}
.email {
  display: inline-block;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent);
  word-break: break-all;
}
label {
  display: block;
  margin: 0.85rem 0 0.35rem;
  color: var(--ink);
  font-size: 0.95rem;
}
input,
textarea,
button {
  font: inherit;
}
input,
textarea {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #d6d3d1;
  border-radius: 0.6rem;
  padding: 0.7rem 0.8rem;
  background: var(--bg);
  color: var(--ink);
}
textarea {
  min-height: 7rem;
  resize: vertical;
}
button {
  margin-top: 1rem;
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 0.6rem;
  padding: 0.75rem 1.1rem;
  font-weight: 700;
  cursor: pointer;
}