:root {
  color-scheme: light;
  --background: #f6f8f7;
  --surface: #ffffff;
  --text: #15201d;
  --muted: #5f6e69;
  --primary: #0b6b59;
  --primary-soft: #dcefe9;
  --border: #dce4e1;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a { color: var(--primary); }
a:hover { text-decoration-thickness: 2px; }

header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.nav {
  width: min(1080px, calc(100% - 32px));
  min-height: 72px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  color: var(--text);
  font-size: 1.25rem;
  font-weight: 750;
  text-decoration: none;
}

nav { display: flex; flex-wrap: wrap; gap: 16px; }
nav a { color: var(--muted); font-size: .94rem; text-decoration: none; }

main {
  width: min(820px, calc(100% - 32px));
  margin: 48px auto 72px;
}

.hero {
  padding: 48px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: linear-gradient(145deg, var(--surface), var(--primary-soft));
}

.eyebrow {
  color: var(--primary);
  font-size: .82rem;
  font-weight: 750;
  letter-spacing: .1em;
  text-transform: uppercase;
}

h1, h2, h3 { line-height: 1.25; }
h1 { margin: 12px 0 16px; font-size: clamp(2rem, 6vw, 3.5rem); }
h2 { margin-top: 40px; font-size: 1.45rem; }
h3 { margin-top: 28px; font-size: 1.1rem; }
p, li { color: var(--muted); }

.card {
  margin-top: 24px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
}

.meta {
  margin: 0 0 32px;
  color: var(--muted);
  font-size: .92rem;
}

.button {
  display: inline-block;
  margin-top: 12px;
  padding: 12px 18px;
  border-radius: 12px;
  background: var(--primary);
  color: white;
  font-weight: 700;
  text-decoration: none;
}

footer {
  padding: 28px 16px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  text-align: center;
  font-size: .9rem;
}

@media (max-width: 640px) {
  .nav { align-items: flex-start; flex-direction: column; padding: 16px 0; }
  .hero { padding: 28px 24px; }
  main { margin-top: 32px; }
}