:root {
  --green: #1b5e20;
  --green-d: #0b3d1e;
  --green-l: #43a047;
  --amber: #ffc107;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: #eaf3ec;
  background: radial-gradient(circle at top, #1b6b3a, #0b3d1e 55%, #06250f);
  min-height: 100vh;
  line-height: 1.65;
}
header {
  text-align: center;
  padding: 48px 20px 24px;
}
.logo {
  width: 84px; height: 84px; border-radius: 20px;
  background: #fff; display: inline-flex; align-items: center; justify-content: center;
  font-size: 48px; box-shadow: 0 6px 20px rgba(0,0,0,.4);
}
h1 { font-size: 2rem; margin: 16px 0 4px; letter-spacing: .5px; }
.sub { color: rgba(255,255,255,.65); }
main {
  max-width: 760px; margin: 0 auto; padding: 24px 20px 64px;
}
.card {
  background: rgba(0,0,0,.28); border: 1px solid rgba(255,255,255,.14);
  border-radius: 18px; padding: 24px; margin: 16px 0;
}
h2 { color: var(--amber); margin: 24px 0 10px; font-size: 1.3rem; }
h3 { margin: 16px 0 6px; font-size: 1.05rem; }
p, li { color: #d7e6da; margin: 8px 0; }
ul { padding-left: 22px; }
a { color: #8fd6a6; }
.btns { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-top: 20px; }
.btn {
  display: inline-block; padding: 14px 22px; border-radius: 14px;
  background: var(--green-l); color: #fff; text-decoration: none; font-weight: 700;
}
.btn.alt { background: rgba(255,255,255,.12); }
nav { text-align: center; padding: 8px 20px 40px; }
nav a { margin: 0 10px; color: rgba(255,255,255,.7); text-decoration: none; }
footer { text-align: center; color: rgba(255,255,255,.45); padding: 24px; font-size: .85rem; }
.muted { color: rgba(255,255,255,.55); font-size: .9rem; }
.back { display: inline-block; margin-bottom: 12px; }