:root {
  --ink: #1a1a16;
  --paper: #f7edd6;
  --trim: #7a5830;
  --accent: #2f5935;
  --sky-a: #8aa8b7;
  --sky-b: #d7c08f;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background: linear-gradient(180deg, var(--sky-a), var(--sky-b));
}

body {
  padding: 1rem;
}

.guide-shell {
  width: min(860px, 100%);
  margin: 0 auto;
  border: 3px solid var(--trim);
  border-radius: 14px;
  padding: 1rem;
  background:
    linear-gradient(180deg, rgba(255, 250, 239, 0.92), rgba(243, 227, 188, 0.95)),
    repeating-linear-gradient(
      0deg,
      rgba(122, 88, 48, 0.04),
      rgba(122, 88, 48, 0.04) 2px,
      transparent 2px,
      transparent 4px
    );
  box-shadow: 0 20px 50px rgba(24, 24, 24, 0.28);
}

.eyebrow {
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: #5d4e39;
}

h1 {
  margin: 0.2rem 0 0.6rem;
}

h2 {
  margin-bottom: 0.35rem;
}

section {
  margin-top: 1rem;
  border: 1px solid rgba(122, 88, 48, 0.45);
  border-radius: 8px;
  padding: 0.7rem;
  background: rgba(255, 251, 240, 0.7);
}

p,
li {
  line-height: 1.45;
}

code {
  background: rgba(47, 89, 53, 0.12);
  padding: 0.08rem 0.3rem;
  border-radius: 4px;
}

.links {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

a {
  color: var(--accent);
  font-weight: 700;
}

@media (max-width: 640px) {
  body {
    padding: 0.6rem;
  }

  .guide-shell {
    padding: 0.8rem;
  }
}