:root {
  --bg: #1d2021;
  --bg-soft: #2a2e2a;
  --fg: #ebdbb2;
  --green: #98971a;
  --aqua: #689d6a;
  --gray: #a89984;
}

html, body {
  height: 100%;
  margin: 0;
  background-color: #191f19;
  color: var(--fg);
  font-family: "JetBrains Mono", "Fira Code", monospace;
  line-height: 1.7;
  font-size: 18px;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

main {
  flex: 1;
  max-width: 720px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem;
}

h1, h2, h3 {
  font-weight: 600;
  color: var(--green);
}

h1 { font-size: 2rem; }
h2 { margin-top: 2rem; }
p { margin: 1rem 0; }

a { color: var(--aqua); text-decoration: none; }
a:hover { text-decoration: underline; }

code { background: var(--bg-soft); padding: 0.2em 0.4em; border-radius: 4px; }
pre { background: var(--bg-soft); padding: 1rem; overflow-x: auto; border-radius: 6px; }
img { max-width: 30%; display: block; margin: auto; }
ul { padding-left: 1.2rem; }

ul li span { color: var(--gray); font-size: 0.85rem; margin-left: 0.5rem; }

.topnav {
  width: 100%;                 /* span full body width */
  max-width: 720px;            /* aligns with main content */
  margin: 0 auto;
  padding: 1rem 1rem;        /* smaller vertical padding */
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--gray);
  box-sizing: border-box;
}

.topnav nav {
  display: flex;
  gap: 1rem;                   /* smaller gap so it’s less squeezed */
  flex-wrap: wrap;
}

.logo {
  color: var(--fg);
  font-weight: 600;
}

.topnav a {
  color: var(--gray);
  text-decoration: none;
  font-size: 0.95rem;
}

.topnav a:hover {
  color: var(--aqua);
}

/* Responsive adjustments */
@media (max-width: 600px) {
  body { font-size: 16px; }
  main { padding: 1.5rem 1rem; }
  .topnav { flex-wrap: wrap; gap: 0.75rem; padding: 0.75rem 0.5rem; }
  .topnav nav { gap: 0.5rem; }
}