:root {
  color-scheme: light;
  --ink: #142a38;
  --muted: #4a626f;
  --accent: #09634c;
  --surface: #fff;
  --background: #f3f7f6;
  --border: #d1dfdb;
  --focus: #1748a6;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--background);
  color: var(--ink);
  font-family: Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}
main {
  max-width: 800px;
  margin: 0 auto;
  padding: 48px 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 52px;
}
.brand span {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  background: var(--ink);
  color: white;
  border-radius: 12px;
  font-weight: 700;
}
.eyebrow,
.step {
  font-size: 12px;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--accent);
}
h1 {
  font-size: clamp(28px, 5vw, 40px);
  line-height: 1.2;
  margin: 12px 0;
  letter-spacing: -0.03em;
}
h2 {
  font-size: 21px;
  line-height: 1.35;
  margin: 12px 0;
}
p {
  margin: 12px 0;
}
.intro {
  color: var(--muted);
  margin-bottom: 32px;
}
section {
  padding: 28px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 16px;
  box-shadow: 0 6px 24px #142a3808;
}
.status {
  padding: 16px;
  background: var(--background);
  border-radius: 8px;
  margin: 20px 0;
  overflow-wrap: anywhere;
}
button {
  display: inline-block;
  min-height: 48px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 12px 20px;
  font: inherit;
  font-weight: 700;
  color: white;
  background: var(--accent);
  cursor: pointer;
  margin: 0 8px 8px 0;
  transition: background-color 0.15s;
}
button:hover {
  background: #084c3c;
}
button.secondary {
  color: var(--accent);
  background: white;
}
button.secondary:hover {
  background: var(--background);
}
button:disabled {
  color: #526b62;
  background: #dce7e2;
  border-color: #aebfb7;
  cursor: default;
}
button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}
button[hidden] {
  display: none;
}
.hint,
footer {
  color: var(--muted);
  font-size: 14px;
}
aside {
  border-left: 3px solid var(--accent);
  padding-left: 20px;
  margin: 32px 0;
}
footer {
  border-top: 1px solid var(--border);
  padding-top: 20px;
}
.skip {
  position: absolute;
  top: -100px;
  background: white;
  padding: 12px;
  color: var(--ink);
}
.skip:focus {
  top: 8px;
}
@media (max-width: 480px) {
  main {
    padding: 28px 16px;
  }
  .brand {
    margin-bottom: 32px;
  }
  section {
    padding: 20px;
  }
  button {
    width: 100%;
    margin-right: 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  button {
    transition: none;
  }
}