* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-primary: #57713b;
  --color-secondary: #3a4d25;
  --color-accent: #c8daa8;
  --color-bg: #fcfdf8;
  --color-surface: #f4f7ee;
  --color-text: #252e18;
  --color-text-muted: #6e7d5a;
  --color-border: #d0d8c2;
  --font-main: 'Trebuchet MS', 'Lucida Sans', 'Lucida Grande', sans-serif;
  --max-width: 1100px;
  --radius: 0px;
  --spacing-unit: 1rem;
  --transition-speed: 0.2s;
}

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-left: 1.5rem;
}

h1::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 6px;
  height: calc(100% - 1rem);
  background-color: var(--color-primary);
}

h2 {
  font-size: 2rem;
  margin-top: 2.5rem;
  transform: translateX(-0.5rem);
}

h3 {
  font-size: 1.5rem;
  margin-top: 2rem;
  color: var(--color-primary);
}

h4 {
  font-size: 1.25rem;
  margin-top: 1.5rem;
}

h5 {
  font-size: 1.1rem;
  margin-top: 1.25rem;
}

h6 {
  font-size: 1rem;
  margin-top: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-speed) ease, border-color var(--transition-speed) ease, background-color var(--transition-speed) ease;
  position: relative;
}

a:hover {
  color: var(--color-secondary);
  border-bottom-color: var(--color-accent);
}

a:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
  background-color: var(--color-accent);
}

strong {
  font-weight: 700;
  color: var(--color-secondary);
}

em {
  font-style: italic;
  color: var(--color-text);
}

blockquote {
  margin: 2rem 0;
  padding: 1.5rem 1.5rem 1.5rem 2rem;
  background-color: var(--color-surface);
  border-left: 6px solid var(--color-primary);
  font-style: italic;
  color: var(--color-text-muted);
  position: relative;
  transform: translateX(1rem);
}

blockquote::before {
  content: '';
  position: absolute;
  top: -0.5rem;
  left: -0.5rem;
  width: calc(100% + 1rem);
  height: calc(100% + 1rem);
  background-color: var(--color-accent);
  opacity: 0.2;
  z-index: -1;
}

::selection {
  background-color: var(--color-primary);
  color: var(--color-bg);
}

.site-header {
  background-color: var(--color-secondary);
  color: var(--color-bg);
  padding: 2rem 1.5rem;
  position: relative;
  box-shadow: 4px 4px 0 var(--color-primary);
}

.site-header::after {
  content: '';
  position: absolute;
  bottom: -8px;
  right: 2rem;
  width: 120px;
  height: 8px;
  background-color: var(--color-accent);
}

.site-nav {
  display: flex;
  gap: 0;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.site-nav a {
  color: var(--color-bg);
  padding: 0.75rem 1.5rem;
  background-color: var(--color-primary);
  border-bottom: none;
  font-weight: 600;
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
  position: relative;
  transition: background-color var(--transition-speed) ease, transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.site-nav a:hover {
  background-color: var(--color-accent);
  color: var(--color-secondary);
  transform: translate(-2px, -2px);
  box-shadow: 2px 2px 0 var(--color-secondary);
}

.site-nav a:nth-child(even) {
  transform: translateY(4px);
}

.site-nav a:nth-child(even):hover {
  transform: translate(-2px, 2px);
}

.site-main {
  flex: 1;
  width: 100%;
  padding: 2rem 1.5rem;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
}

.breadcrumbs {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 2rem;
  padding: 0.75rem 1rem;
  background-color: var(--color-surface);
  font-size: 0.9rem;
  font-family: 'Courier New', monospace;
  border-left: 3px solid var(--color-border);
  transform: translateX(-0.5rem);
}

.breadcrumbs a {
  color: var(--color-text-muted);
  border-bottom: 1px dotted var(--color-border);
}

.breadcrumbs a:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.breadcrumbs::before {
  content: '>';
  color: var(--color-primary);
  font-weight: bold;
  margin-right: 0.25rem;
}

.card {
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  padding: 2rem;
  margin-bottom: 2rem;
  position: relative;
  transition: box-shadow var(--transition-speed) ease, transform var(--transition-speed) ease;
}

.card::before {
  content: '';
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 40px;
  height: 40px;
  background-color: var(--color-accent);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.card:hover {
  box-shadow: 6px 6px 0 var(--color-primary);
  transform: translate(-3px, -3px);
}

.card h3 {
  margin-top: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  font-size: 0.95rem;
}

table thead {
  background-color: var(--color-primary);
  color: var(--color-bg);
}

table th {
  padding: 1rem;
  text-align: left;
  font-weight: 700;
  border: 2px solid var(--color-secondary);
  font-family: 'Courier New', monospace;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

table td {
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-border);
  transition: background-color var(--transition-speed) ease;
}

table tbody tr:nth-child(odd) {
  background-color: var(--color-bg);
}

table tbody tr:nth-child(even) {
  background-color: var(--color-surface);
}

table tbody tr:hover {
  background-color: var(--color-accent);
}

table tbody tr:hover td {
  color: var(--color-secondary);
}

details {
  margin: 1.5rem 0;
  border: 2px solid var(--color-border);
  background-color: var(--color-surface);
  position: relative;
}

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

details[open]::after {
  content: '';
  position: absolute;
  top: 0;
  right: -0.5rem;
  width: 4px;
  height: 100%;
  background-color: var(--color-primary);
}

summary {
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  font-weight: 700;
  color: var(--color-secondary);
  background-color: var(--color-surface);
  list-style: none;
  user-select: none;
  transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
  position: relative;
  font-family: 'Courier New', monospace;
}

summary::-webkit-details-marker {
  display: none;
}

summary::before {
  content: '▸';
  margin-right: 0.75rem;
  color: var(--color-primary);
  font-size: 1.2rem;
  transition: transform var(--transition-speed) ease;
  display: inline-block;
}

details[open] summary::before {
  transform: rotate(90deg);
}

summary:hover {
  background-color: var(--color-accent);
  color: var(--color-primary);
}

summary:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: -3px;
}

details > *:not(summary) {
  padding: 1.5rem;
  animation: slideDown 0.2s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.site-footer {
  background-color: var(--color-secondary);
  color: var(--color-accent);
  padding: 3rem 1.5rem 2rem;
  margin-top: 4rem;
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -12px;
  left: 3rem;
  width: 100px;
  height: 12px;
  background-color: var(--color-primary);
}

.site-footer::after {
  content: '';
  position: absolute;
  top: -12px;
  right: 5rem;
  width: 60px;
  height: 12px;
  background-color: var(--color-accent);
}

.site-footer a {
  color: var(--color-accent);
  border-bottom-color: transparent;
}

.site-footer a:hover {
  color: var(--color-bg);
  border-bottom-color: var(--color-bg);
}

input[type="text"],
input[type="email"],
input[type="search"],
input[type="url"],
textarea,
select {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--color-border);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-main);
  font-size: 1rem;
  transition: border-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
  margin-bottom: 1rem;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 4px 4px 0 var(--color-accent);
}

button,
input[type="submit"],
input[type="button"] {
  padding: 1rem 2rem;
  background-color: var(--color-primary);
  color: var(--color-bg);
  border: none;
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color var(--transition-speed) ease, transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
  position: relative;
}

button:hover,
input[type="submit"]:hover,
input[type="button"]:hover {
  background-color: var(--color-secondary);
  transform: translate(-2px, -2px);
  box-shadow: 2px 2px 0 var(--color-primary);
}

button:focus-visible,
input[type="submit"]:focus-visible,
input[type="button"]:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

button:active,
input[type="submit"]:active,
input[type="button"]:active {
  transform: translate(0, 0);
  box-shadow: none;
}

code {
  background-color: var(--color-surface);
  padding: 0.2rem 0.5rem;
  font-family: 'Courier New', monospace;
  color: var(--color-secondary);
  border: 1px solid var(--color-border);
  font-size: 0.9em;
}

pre {
  background-color: var(--color-secondary);
  color: var(--color-accent);
  padding: 1.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  border-left: 6px solid var(--color-primary);
  position: relative;
  transform: translateX(0.5rem);
}

pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--color-accent);
}

ul, ol {
  margin: 1rem 0 1rem 2rem;
}

li {
  margin-bottom: 0.5rem;
  padding-left: 0.5rem;
}

ul li {
  list-style-type: none;
  position: relative;
}

ul li::before {
  content: '■';
  position: absolute;
  left: -1.5rem;
  color: var(--color-primary);
  font-size: 0.7rem;
}

ol li::marker {
  color: var(--color-primary);
  font-weight: 700;
}

hr {
  border: none;
  height: 3px;
  background-color: var(--color-border);
  margin: 3rem 0;
  position: relative;
}

hr::after {
  content: '';
  position: absolute;
  top: -2px;
  left: 2rem;
  width: 80px;
  height: 7px;
  background-color: var(--color-primary);
}

@media (min-width: 768px) {
  h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 2.25rem;
  }

  .site-header {
    padding: 2.5rem 2rem;
  }

  .site-nav {
    gap: 0.25rem;
  }

  .site-main {
    padding: 3rem 2rem;
  }

  .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .card {
    padding: 2.5rem;
  }

  blockquote {
    padding: 2rem 2rem 2rem 2.5rem;
    margin: 2.5rem 0;
  }

  table {
    font-size: 1rem;
  }

  .breadcrumbs {
    font-size: 1rem;
  }

  .site-footer {
    padding: 4rem 2rem 2.5rem;
  }
}

@media (min-width: 1024px) {
  h1 {
    font-size: 3.5rem;
  }

  .site-header {
    padding: 3rem 2rem;
  }

  .site-nav {
    gap: 0.5rem;
  }

  .site-main {
    padding: 4rem 2rem;
  }

  .container {
    grid-template-columns: repeat(12, 1fr);
  }

  .card {
    grid-column: span 6;
  }

  .card:nth-child(odd) {
    transform: translateY(-1rem);
  }

  .card:nth-child(even) {
    transform: translateY(1rem);
  }

  .card:hover {
    box-shadow: 8px 8px 0 var(--color-primary);
    transform: translate(-4px, -4px);
  }

  blockquote {
    margin: 3rem 0;
    transform: translateX(2rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  details > *:not(summary) {
    animation: none;
  }
}

@media print {
  .site-nav,
  .breadcrumbs {
    display: none;
  }

  .site-header {
    box-shadow: none;
    padding: 1rem;
  }

  .site-main {
    padding: 1rem;
  }

  .container {
    max-width: 100%;
  }

  .card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid var(--color-border);
  }

  a {
    color: var(--color-text);
    border-bottom: 1px solid var(--color-text);
  }

  a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: var(--color-text-muted);
  }

  table {
    font-size: 0.85rem;
  }

  .site-footer {
    margin-top: 2rem;
    padding: 1rem;
  }
}