:root {
  color-scheme: light;
  --paper: #fbf5e9;
  --paper-2: #dcecf6;
  --blue: #175ca8;
  --ink: #0a1f38;
  --muted: #617084;
  --green: #197a45;
  --amber: #ba6e0a;
  --red: #b7352d;
  --card: #ffffffcc;
  --line: #b7d0e5;
}

* { box-sizing: border-box; }

html { min-height: 100%; }

body {
  min-height: 100%;
  margin: 0;
  background: linear-gradient(var(--paper), var(--paper-2));
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  line-height: 1.6;
}

main {
  max-width: 820px;
  min-height: 100vh;
  margin: auto;
  padding: 48px 20px;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 8vw, 3.5rem);
  line-height: 1;
}

h2 {
  margin-top: 36px;
  color: var(--blue);
}

.hero h2 {
  margin-top: 0;
}

a {
  color: var(--blue);
  font-weight: 700;
}

ul { padding-left: 1.5rem; }

.subtitle {
  color: var(--amber);
  font-weight: 700;
}

.card {
  margin-top: 24px;
  padding: 20px;
  background: var(--card);
  border: 2px solid var(--line);
}

.hero {
  border-color: var(--blue);
  background: #fffffff0;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 10px 0 4px;
  padding: 14px 18px;
  background: var(--blue);
  color: #fff;
  border: 3px solid var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: .03em;
}

.button img {
  display: block;
  border-radius: 7px;
}

.button:focus,
.button:hover {
  background: var(--amber);
  color: #fff;
}

.status {
  color: var(--green);
  font-weight: 700;
}

.warning {
  color: var(--red);
  font-weight: 700;
}

.small {
  font-size: .9rem;
  opacity: .75;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0;
}

.nav a {
  padding: 8px 10px;
  background: #fff8;
  border: 2px solid var(--line);
  text-decoration: none;
}

.meta {
  color: var(--muted);
}

footer {
  margin-top: 48px;
  opacity: .65;
  font-size: .85rem;
}