:root {
  --bg: #f7f4ec;
  --ink: #202321;
  --muted: #626864;
  --teal: #006b5b;
  --surface: #faf9f5;
  --line: #c4c8c3;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(0, 107, 91, 0.12), transparent 55%),
    linear-gradient(180deg, #e8f5f1 0%, var(--bg) 38%, var(--surface) 100%);
  line-height: 1.65;
}

.hero, main, footer {
  width: min(760px, calc(100% - 2rem));
  margin-inline: auto;
}

.hero {
  padding: 3.5rem 0 1.5rem;
}

.brand {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
  font-weight: 700;
}

h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.15;
}

h2 {
  margin: 0 0 0.75rem;
  font-size: 1.25rem;
  color: var(--teal);
}

.meta {
  color: var(--muted);
  margin: 0;
}

code {
  background: rgba(0, 107, 91, 0.08);
  padding: 0.1rem 0.35rem;
  border-radius: 6px;
  font-size: 0.92em;
}

main section {
  background: rgba(250, 249, 245, 0.92);
  border: 1px solid rgba(196, 200, 195, 0.7);
  border-radius: 16px;
  padding: 1.25rem 1.35rem;
  margin-bottom: 1rem;
}

ul { padding-left: 1.2rem; margin: 0.4rem 0 0; }
li { margin: 0.45rem 0; }

a { color: var(--teal); }

footer {
  padding: 1.5rem 0 3rem;
  color: var(--muted);
  font-size: 0.95rem;
}