html, body { margin: 0; min-height: 100%; background: #fff; color: #212529; font-family: system-ui, sans-serif; }
.nav-content { max-width: 1140px; margin: 0 auto; padding: 1rem 1.5rem; display: flex; align-items: center; justify-content: space-between; }
a { color: #39774a; }
.brand { color: #212529; font-size: 1.25rem; text-decoration: none; }
main { display: flex; justify-content: center; padding: clamp(3rem, 12vh, 8rem) 1.5rem; }
main img { display: block; width: 360px; max-width: 100%; height: auto; align-self: flex-start; }