:root {
  color-scheme: light;
  --ink: #263238;
  --muted: #63737a;
  --line: #d9e3e3;
  --paper: #fffdf8;
  --surface: #f5fbfb;
  --accent: #1b8a7b;
  --accent-strong: #14695e;
  --warm: #f7b955;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: var(--accent-strong);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.shell {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
}

header {
  border-bottom: 1px solid var(--line);
  background: #ffffffcc;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.badge {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: var(--warm);
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

nav a {
  color: var(--ink);
  font-size: 14px;
  text-decoration: none;
}

main {
  padding: 40px 0 56px;
}

.hero {
  display: grid;
  gap: 18px;
  padding: 18px 0 28px;
}

.eyebrow {
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(34px, 6vw, 58px);
  line-height: 1.05;
  letter-spacing: 0;
}

h2 {
  margin: 36px 0 10px;
  font-size: 24px;
  line-height: 1.2;
}

h3 {
  margin: 24px 0 8px;
  font-size: 18px;
}

p,
li {
  color: var(--muted);
}

.summary {
  max-width: 700px;
  color: #44565d;
  font-size: 18px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.card {
  min-height: 150px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.card h2 {
  margin-top: 0;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 8px 13px;
  border: 2px solid var(--ink);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 3px 3px 0 var(--ink);
}

.notice {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--accent);
  border-radius: 8px;
  background: #fff;
}

.legal {
  max-width: 780px;
}

footer {
  border-top: 1px solid var(--line);
  padding: 22px 0;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 680px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    justify-content: flex-start;
  }
}