:root {
  --bg: #f7f5f1;
  --ink: #1a1a1a;
  --muted: #5c5c5c;
  --accent: #0b5f4b;
  --card: #ffffff;
  --line: #e4dfd6;
  --max: 42rem;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 17px;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(ellipse at top left, #e8f2ee 0%, transparent 45%),
    linear-gradient(180deg, var(--bg), #efebe4);
  min-height: 100vh;
  line-height: 1.6;
}

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

header,
main,
footer {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

header {
  padding: 2.5rem 0 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: inherit;
}

.brand img {
  width: 48px;
  height: 48px;
  border-radius: 12px;
}

.brand strong {
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.tagline {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

nav a {
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

nav a[aria-current="page"] {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

main {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.75rem 1.5rem 2rem;
  margin-bottom: 2rem;
}

h1 {
  margin: 0 0 0.75rem;
  font-size: 1.75rem;
  letter-spacing: -0.03em;
  line-height: 1.25;
}

h2 {
  margin: 1.75rem 0 0.5rem;
  font-size: 1.15rem;
}

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

.lead {
  color: var(--muted);
  font-size: 1.05rem;
}

ul {
  padding-left: 1.2rem;
}

.meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
}

.cta {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.7rem 1.1rem;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  border-radius: 10px;
  font-weight: 600;
}

footer {
  padding: 0 0 2.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}