:root {
  color-scheme: light dark;
  --background: #f7fce9;
  --surface: #fffdf6;
  --surface-border: #c7db84;
  --text: #3f6f2c;
  --muted: #52783f;
  --heading: #ea53bc;
  --title: #f988d7;
  --link: #488fdb;
  --shadow: rgba(63, 111, 44, 0.14);
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #223312;
    --surface: #30461b;
    --surface-border: #8bc34a;
    --text: #f1f7e4;
    --muted: #dce9c4;
    --heading: #cddc39;
    --title: #e4f1ac;
    --link: #dce775;
    --shadow: rgba(5, 11, 3, 0.28);
  }
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  color: var(--text);
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--heading) 18%, transparent), transparent 28rem),
    var(--background);
  font: 1.15rem/1.65 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  min-height: 100%;
  margin: 0;
}

a {
  color: var(--link);
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 0.15em;
}

.skip-link {
  position: absolute;
  inset-block-start: 1rem;
  inset-inline-start: 1rem;
  z-index: 2;
  padding: 0.45rem 0.7rem;
  border-radius: 0.35rem;
  background: var(--surface);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.page-shell {
  width: min(100% - 2rem, 48rem);
  margin-inline: auto;
  padding-block: clamp(2rem, 7vw, 5rem);
}

.hero {
  text-align: center;
  margin-block-end: 2rem;
}

.site-mark {
  width: 4rem;
  height: 4rem;
  margin-inline: auto;
  margin-block-end: 1rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.55rem;
}

nav a {
  padding: 0.35rem 0.65rem;
  border: 1px solid color-mix(in srgb, var(--surface-border) 60%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 58%, transparent);
  color: var(--link);
  font-weight: 700;
  text-decoration: none;
}

h1,
h2,
h3,
h4,
p {
  margin-block-start: 0;
}

h1 {
  color: var(--title);
  font-size: clamp(2.25rem, 8vw, 4.4rem);
  line-height: 0.96;
  letter-spacing: 0;
  margin-block-end: 0.7rem;
}

h2,
h3,
h4 {
  color: var(--heading);
  line-height: 1.15;
}

h2 {
  font-size: clamp(1.45rem, 4vw, 2rem);
  margin-block-end: 1rem;
}

h3 {
  font-size: 1.18rem;
  margin-block-end: 0.35rem;
}

h4 {
  color: var(--muted);
  font-size: 1rem;
  margin-block-end: 1rem;
}

.card {
  padding: clamp(1.25rem, 5vw, 2rem);
  border: 1px solid var(--surface-border);
  border-radius: 0.75rem;
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  box-shadow: 0 1.2rem 3rem var(--shadow);
}

.card + .card {
  margin-block-start: 1rem;
}

section + section {
  margin-block-start: 1.5rem;
}

p {
  color: var(--text);
}

p:last-child {
  margin-block-end: 0;
}

.contact-note {
  padding-block-start: 0.75rem;
}