:root {
  --ink: #15231c;
  --pine: #1f4d3a;
  --moss: #3d7a5a;
  --sand: #e7efe8;
  --mist: #d3e4d9;
  --card: #f4f8f5;
  --border: #b7cfc0;
  --muted: #5a7264;
  --radius: 12px;
  --font: "Source Sans 3", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, #c5dbc9 0%, transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 0%, #dce8df 0%, transparent 50%),
    var(--sand);
  line-height: 1.55;
}

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

a:hover {
  color: var(--moss);
}

.wrap {
  max-width: 42rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

header {
  margin-bottom: 2rem;
}

.brand {
  display: inline-block;
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: 1.35rem;
  color: var(--pine);
  text-decoration: none;
}

.brand:hover {
  color: var(--moss);
}

nav {
  margin-top: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  font-size: 0.95rem;
}

h1 {
  font-size: clamp(1.75rem, 4vw, 2.15rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--pine);
  margin: 0 0 0.35rem;
}

.meta {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0 0 1.75rem;
}

h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--pine);
  margin: 1.75rem 0 0.5rem;
}

p,
li {
  margin: 0 0 0.75rem;
}

ul {
  padding-left: 1.25rem;
  margin: 0 0 0.75rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  margin: 1rem 0;
}

footer {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}