:root {
  color-scheme: light;
  --ink: #16211d;
  --muted: #52605a;
  --line: #d9e1dc;
  --surface: #f7faf8;
  --accent: #167a58;
  --accent-soft: #e5f4ed;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  line-height: 1.6;
}

a {
  color: var(--accent);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

.shell {
  width: min(860px, calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0 56px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  text-decoration: none;
}

.mark {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: linear-gradient(135deg, #167a58, #7bbb47);
  flex: 0 0 auto;
}

.brand strong {
  display: block;
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.2;
}

.brand span span {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: flex-end;
}

nav a {
  color: var(--muted);
  font-size: 0.95rem;
  text-decoration: none;
}

main {
  padding-top: 48px;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0;
  margin: 0 0 10px;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(2rem, 7vw, 4.25rem);
  line-height: 1;
  margin: 0 0 18px;
}

h2 {
  font-size: 1.25rem;
  line-height: 1.25;
  margin: 34px 0 8px;
}

p,
li {
  color: var(--muted);
  font-size: 1rem;
}

.lead {
  color: #2f3e37;
  font-size: 1.18rem;
  max-width: 660px;
}

.notice {
  background: var(--accent-soft);
  border: 1px solid #c5e5d6;
  border-radius: 8px;
  margin: 28px 0;
  padding: 16px 18px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-top: 30px;
}

.tile {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  display: block;
  padding: 16px;
  text-decoration: none;
}

.tile span {
  color: var(--muted);
  display: block;
  font-size: 0.92rem;
  margin-top: 5px;
}

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 54px;
  padding-top: 22px;
}

@media (max-width: 640px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    justify-content: flex-start;
  }

  main {
    padding-top: 36px;
  }
}