:root {
  --bg: #fdfdfd;
  --fg: #1a1a1a;
  --muted: #555;
  --accent: #2d6a4f;
  --accent-light: #40916c;
  --border: #ddd;
  --max-width: 42rem;
}

* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.65;
  color: var(--fg);
  background: var(--bg);
  margin: 0;
  padding: 0;
}

header {
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
}

nav {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

nav .brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--accent);
  text-decoration: none;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

nav a {
  color: var(--fg);
  text-decoration: none;
  font-size: 0.95rem;
}

nav a:hover {
  text-decoration: underline;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

h1, h2, h3 {
  line-height: 1.25;
  font-weight: 700;
}

h1 {
  font-size: 1.9rem;
  margin-top: 0;
}

h2 {
  font-size: 1.35rem;
  margin-top: 2.2rem;
  color: var(--accent);
}

h3 {
  font-size: 1.1rem;
  margin-top: 1.8rem;
}

p, li {
  max-width: 65ch;
}

a {
  color: var(--accent);
}

a:hover {
  color: var(--accent-light);
}

ul, ol {
  padding-left: 1.4rem;
}

li {
  margin-bottom: 0.35rem;
}

blockquote {
  margin: 1.2rem 0;
  padding: 0.8rem 1rem;
  border-left: 4px solid var(--accent);
  background: #f6f6f6;
  font-style: italic;
}

blockquote p {
  margin: 0;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.9em;
  background: #f0f0f0;
  padding: 0.15rem 0.35rem;
  border-radius: 3px;
}

pre {
  background: #f0f0f0;
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
}

pre code {
  background: transparent;
  padding: 0;
}

.note {
  background: #f0f7f4;
  border-left: 4px solid var(--accent-light);
  padding: 1rem;
  margin: 1.5rem 0;
}

.note p:first-child {
  margin-top: 0;
}

.note p:last-child {
  margin-bottom: 0;
}

footer {
  border-top: 1px solid var(--border);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.cta {
  margin-top: 2rem;
}

.cta a {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
}

.cta a:hover {
  background: var(--accent-light);
}

.lineamiento {
  margin: 2rem 0;
  padding: 1.2rem;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.lineamiento h3 {
  margin-top: 0;
  color: var(--accent);
}