:root {
  --cp-bg: #F6F2E8;
  --cp-surface: #FFF9EF;
  --cp-text: #1B1E1C;
  --cp-muted: #4B524E;
  --cp-border: #1B1E1C;
  --cp-primary: #2F6B4F;
  --cp-secondary: #B08D57;
  --cp-accent: #E24D2A;
  --cp-radius: 10px;
  --cp-shadow: 6px 6px 0 var(--cp-border);
  --cp-max: 1120px;
}

* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background-color: var(--cp-bg);
  color: var(--cp-text);
  font-size: 16px;
}

@media (min-width: 768px) {
  body {
    font-size: 18px;
  }
}

@media (min-width: 1024px) {
  body {
    font-size: 20px;
  }
}

header {
  background-color: var(--cp-surface);
  border-bottom: 4px solid var(--cp-border);
  padding: 1rem 0;
}

nav {
  max-width: var(--cp-max);
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand a {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--cp-primary);
  text-decoration: none;
  border: 3px solid var(--cp-border);
  padding: 0.5rem 1rem;
  background-color: var(--cp-surface);
  box-shadow: var(--cp-shadow);
  border-radius: var(--cp-radius);
  transition: transform 0.2s ease;
}

@media (prefers-reduced-motion: reduce) {
  .nav-brand a {
    transition: none;
  }
}

.nav-brand a:hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0 var(--cp-border);
}

.nav-links {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 1rem;
}

.nav-links a {
  color: var(--cp-text);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border: 2px solid var(--cp-border);
  background-color: var(--cp-bg);
  border-radius: var(--cp-radius);
  transition: all 0.2s ease;
}

@media (prefers-reduced-motion: reduce) {
  .nav-links a {
    transition: none;
  }
}

.nav-links a:hover {
  background-color: var(--cp-secondary);
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--cp-border);
}

.nav-links a:focus-visible {
  outline: 3px solid var(--cp-accent);
  outline-offset: 2px;
}

main {
  max-width: var(--cp-max);
  margin: 0 auto;
  padding: 2rem 1rem;
  display: grid;
  gap: 2rem;
}

.breadcrumbs {
  font-size: 0.9rem;
  color: var(--cp-muted);
  margin-bottom: 1rem;
}

.breadcrumbs a {
  color: var(--cp-primary);
  text-decoration: none;
}

.breadcrumbs a:hover {
  text-decoration: underline;
}

article {
  background-color: var(--cp-surface);
  border: 4px solid var(--cp-border);
  border-radius: var(--cp-radius);
  padding: 2rem;
  box-shadow: var(--cp-shadow);
}

h1 {
  font-size: 2rem;
  line-height: 1.2;
  margin: 0 0 2rem 0;
  color: var(--cp-primary);
  border-bottom: 3px solid var(--cp-border);
  padding-bottom: 1rem;
}

@media (min-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }
}

@media (min-width: 1024px) {
  h1 {
    font-size: 3rem;
  }
}

h2 {
  font-size: 1.5rem;
  color: var(--cp-primary);
  margin: 2rem 0 1rem 0;
  border-left: 4px solid var(--cp-accent);
  padding-left: 1rem;
}

@media (min-width: 768px) {
  h2 {
    font-size: 1.75rem;
  }
}

h3 {
  font-size: 1.25rem;
  color: var(--cp-text);
  margin: 1.5rem 0 0.5rem 0;
}

p {
  margin: 1rem 0;
  color: var(--cp-text);
}

a {
  color: var(--cp-primary);
  text-decoration: underline;
  transition: color 0.2s ease;
}

@media (prefers-reduced-motion: reduce) {
  a {
    transition: none;
  }
}

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

a:focus-visible {
  outline: 3px solid var(--cp-accent);
  outline-offset: 2px;
}

a[rel="external"]::after {
  content: " ↗";
  font-size: 0.8em;
  color: var(--cp-muted);
}

blockquote {
  border-left: 4px solid var(--cp-secondary);
  background-color: var(--cp-bg);
  margin: 2rem 0;
  padding: 1rem 1.5rem;
  border-radius: 0 var(--cp-radius) var(--cp-radius) 0;
  font-style: italic;
  color: var(--cp-muted);
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 2rem 0;
  background-color: var(--cp-surface);
  border: 3px solid var(--cp-border);
  border-radius: var(--cp-radius);
  overflow: hidden;
  box-shadow: var(--cp-shadow);
}

table caption {
  font-weight: bold;
  padding: 1rem;
  background-color: var(--cp-primary);
  color: var(--cp-surface);
  text-align: left;
  font-size: 1.1rem;
}

thead th {
  background-color: var(--cp-secondary);
  color: var(--cp-text);
  padding: 1rem;
  text-align: left;
  font-weight: bold;
  border-bottom: 2px solid var(--cp-border);
}

@media (min-width: 1024px) {
  thead th {
    position: sticky;
    top: 0;
  }
}

tbody tr:nth-child(even) {
  background-color: var(--cp-bg);
}

tbody tr:nth-child(odd) {
  background-color: var(--cp-surface);
}

td {
  padding: 1rem;
  border-bottom: 1px solid var(--cp-border);
  vertical-align: top;
}

@media (max-width: 767px) {
  table {
    font-size: 0.9rem;
  }
  
  th, td {
    padding: 0.5rem;
  }
}

details {
  margin: 1rem 0;
  border: 2px solid var(--cp-border);
  border-radius: var(--cp-radius);
  background-color: var(--cp-surface);
}

details[open] {
  background-color: var(--cp-bg);
  border-color: var(--cp-primary);
}

summary {
  padding: 1rem;
  cursor: pointer;
  font-weight: bold;
  color: var(--cp-primary);
  border-bottom: 1px solid transparent;
  transition: background-color 0.2s ease;
}

@media (prefers-reduced-motion: reduce) {
  summary {
    transition: none;
  }
}

summary:hover {
  background-color: var(--cp-secondary);
  color: var(--cp-text);
}

summary:focus-visible {
  outline: 3px solid var(--cp-accent);
  outline-offset: 2px;
}

details[open] summary {
  border-bottom-color: var(--cp-border);
}

details p {
  padding: 0 1rem 1rem 1rem;
  margin: 0;
}

section {
  margin: 2rem 0;
}

footer {
  background-color: var(--cp-text);
  color: var(--cp-surface);
  text-align: center;
  padding: 2rem 1rem;
  margin-top: 4rem;
  border-top: 4px solid var(--cp-border);
}

footer p {
  margin: 0;
  max-width: var(--cp-max);
  margin: 0 auto;
}

@media (min-width: 768px) {
  main {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  article {
    padding: 3rem;
  }
}

@media (min-width: 1024px) {
  .nav-links {
    gap: 1.5rem;
  }
  
  main {
    padding: 3rem 2rem;
  }
}