:root { --sky: #8fd3ff; --grass: #9bd86a; --ink: #3b2a12; --wood: #8a552a; --cream: #fff8ea; --green: #2f8a3b; }
* { box-sizing: border-box; }
body { margin: 0; font: 18px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; color: var(--ink); background: linear-gradient(var(--sky), var(--grass)) fixed; }
main { max-width: 760px; margin: 0 auto; padding: 32px 16px 64px; }
.card { background: var(--cream); border: 4px solid var(--wood); border-radius: 22px; padding: 24px 22px; margin: 18px 0; }
h1 { font-size: 2.2rem; line-height: 1.15; margin: 0 0 8px; color: #fff; text-shadow: 0 2px 0 var(--wood), 0 0 6px rgba(0,0,0,.25); text-align: center; }
h2 { font-size: 1.35rem; margin: 1.4em 0 .4em; color: var(--wood); }
h2:first-child { margin-top: 0; }
a { color: var(--green); font-weight: 600; }
nav { text-align: center; margin: 8px 0 0; }
nav a { margin: 0 10px; color: #fff; text-shadow: 0 1px 2px rgba(0,0,0,.35); }
.small { font-size: .9rem; opacity: .8; }
ul { padding-left: 1.2em; }