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

:root {
  --color-primary: #4d7c0f;
  --color-secondary: #365314;
  --color-accent: #d9f99d;
  --color-bg: #fefffe;
  --color-surface: #f7fce8;
  --color-text: #1a2e05;
  --color-text-muted: #6b7f52;
  --color-border: #d1ddc0;
  --font-main: 'Courier New', 'Lucida Console', Monaco, monospace;
  --max-width: 1100px;
  --radius: 50px;
}

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: grid;
  grid-template-rows: auto 1fr auto;
}

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

h1 {
  font-size: 2.5rem;
  border: 6px solid var(--color-secondary);
  padding: 1.5rem 2rem;
  background-color: var(--color-accent);
  border-radius: var(--radius);
  box-shadow: 8px 8px 0 var(--color-primary);
  margin-bottom: 2rem;
}

h2 {
  font-size: 2rem;
  border: 5px solid var(--color-primary);
  padding: 1rem 1.5rem;
  background-color: var(--color-surface);
  border-radius: 40px;
  margin-top: 2.5rem;
  margin-bottom: 1.5rem;
}

h3 {
  font-size: 1.5rem;
  border-left: 8px solid var(--color-accent);
  padding-left: 1rem;
  margin-top: 2rem;
}

h4 {
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-top: 1.5rem;
}

h5 {
  font-size: 1.1rem;
  color: var(--color-primary);
  margin-top: 1.25rem;
}

h6 {
  font-size: 1rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 1rem;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 3px solid var(--color-accent);
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  font-weight: 700;
}

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

a:focus-visible {
  outline: 4px solid var(--color-primary);
  outline-offset: 4px;
  border-radius: 4px;
}

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

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

blockquote {
  border-left: 8px solid var(--color-primary);
  background-color: var(--color-surface);
  padding: 1.5rem 2rem;
  margin: 2rem 0;
  border-radius: 0 30px 30px 0;
  box-shadow: 4px 4px 0 var(--color-border);
}

blockquote p:last-child {
  margin-bottom: 0;
}

::selection {
  background-color: var(--color-accent);
  color: var(--color-secondary);
}

.site-header {
  background-color: var(--color-primary);
  border-bottom: 8px solid var(--color-secondary);
  padding: 2rem 1rem;
  box-shadow: 0 8px 0 var(--color-accent);
}

.site-header h1 {
  color: var(--color-bg);
  border: 6px solid var(--color-accent);
  background-color: var(--color-secondary);
  text-align: center;
  box-shadow: 0 0 0 4px var(--color-primary);
  margin: 0 auto;
  max-width: var(--max-width);
}

.site-nav {
  background-color: var(--color-surface);
  border-bottom: 6px solid var(--color-border);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 6px 0 var(--color-primary);
}

.site-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  padding: 1rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.site-nav a {
  display: block;
  padding: 0.75rem 1.5rem;
  background-color: var(--color-bg);
  border: 4px solid var(--color-secondary);
  border-radius: var(--radius);
  color: var(--color-secondary);
  font-weight: 700;
  transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  box-shadow: 4px 4px 0 var(--color-border);
}

.site-nav a:hover {
  background-color: var(--color-accent);
  color: var(--color-secondary);
  box-shadow: 6px 6px 0 var(--color-primary);
  transform: translate(-2px, -2px);
}

.site-main {
  padding: 2rem 1rem;
}

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

.breadcrumbs {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
  padding: 1rem;
  background-color: var(--color-surface);
  border: 4px solid var(--color-border);
  border-radius: 30px;
}

.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.breadcrumbs li::after {
  content: '→';
  color: var(--color-primary);
  font-weight: 700;
}

.breadcrumbs li:last-child::after {
  content: '';
}

.breadcrumbs a {
  border-bottom: 2px solid var(--color-border);
}

.card {
  background-color: var(--color-surface);
  border: 5px solid var(--color-secondary);
  border-radius: 40px;
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: 8px 8px 0 var(--color-accent);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.card:hover {
  box-shadow: 12px 12px 0 var(--color-primary);
  transform: translate(-2px, -2px);
}

.card h2 {
  margin-top: 0;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 2rem 0;
  border: 5px solid var(--color-secondary);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 6px 6px 0 var(--color-border);
}

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

th {
  padding: 1rem;
  text-align: left;
  font-weight: 700;
  border-bottom: 4px solid var(--color-secondary);
}

td {
  padding: 1rem;
  border-bottom: 3px solid var(--color-border);
}

tbody tr {
  background-color: var(--color-bg);
  transition: background-color 0.2s ease;
}

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

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

tbody tr:last-child td {
  border-bottom: none;
}

details {
  background-color: var(--color-surface);
  border: 4px solid var(--color-primary);
  border-radius: 30px;
  padding: 1rem;
  margin-bottom: 1.5rem;
  box-shadow: 5px 5px 0 var(--color-border);
}

summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--color-secondary);
  padding: 0.5rem 1rem;
  border-radius: 25px;
  transition: background-color 0.2s ease, color 0.2s ease;
  list-style: none;
}

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

summary::before {
  content: '● ';
  color: var(--color-primary);
  font-size: 1.5rem;
  margin-right: 0.5rem;
  display: inline-block;
  transition: transform 0.2s ease;
}

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

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

summary:focus-visible {
  outline: 4px solid var(--color-primary);
  outline-offset: 4px;
}

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

details > *:not(summary) {
  padding: 1rem 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-surface);
  padding: 3rem 1rem 2rem;
  border-top: 8px solid var(--color-primary);
  margin-top: 4rem;
}

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

.site-footer a:hover {
  background-color: var(--color-primary);
  color: var(--color-bg);
}

.site-footer p {
  text-align: center;
  max-width: var(--max-width);
  margin: 0 auto 1rem;
}

button, input[type="submit"], input[type="button"] {
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 700;
  padding: 1rem 2rem;
  background-color: var(--color-primary);
  color: var(--color-bg);
  border: 4px solid var(--color-secondary);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  box-shadow: 6px 6px 0 var(--color-secondary);
}

button:hover, input[type="submit"]:hover, input[type="button"]:hover {
  background-color: var(--color-secondary);
  box-shadow: 8px 8px 0 var(--color-accent);
  transform: translate(-2px, -2px);
}

button:focus-visible, input[type="submit"]:focus-visible, input[type="button"]:focus-visible {
  outline: 4px solid var(--color-accent);
  outline-offset: 4px;
}

input[type="text"], input[type="email"], input[type="search"], textarea, select {
  font-family: var(--font-main);
  font-size: 1rem;
  padding: 0.75rem 1rem;
  border: 4px solid var(--color-border);
  border-radius: 25px;
  background-color: var(--color-bg);
  color: var(--color-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  width: 100%;
  max-width: 500px;
}

input[type="text"]:focus, input[type="email"]:focus, input[type="search"]:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-accent);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

ul:not(.site-nav ul):not(.breadcrumbs) {
  list-style: none;
  padding-left: 0;
}

ul:not(.site-nav ul):not(.breadcrumbs) li {
  padding-left: 2rem;
  margin-bottom: 0.5rem;
  position: relative;
}

ul:not(.site-nav ul):not(.breadcrumbs) li::before {
  content: '●';
  color: var(--color-primary);
  font-size: 1.5rem;
  position: absolute;
  left: 0;
  top: -0.1rem;
}

ol {
  padding-left: 2rem;
  counter-reset: item;
  list-style: none;
}

ol li {
  margin-bottom: 0.5rem;
  position: relative;
  counter-increment: item;
}

ol li::before {
  content: counter(item);
  background-color: var(--color-primary);
  color: var(--color-bg);
  font-weight: 700;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-right: 0.5rem;
  border: 3px solid var(--color-secondary);
}

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

  h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 2.25rem;
  }

  h3 {
    font-size: 1.75rem;
  }

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

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

  .site-nav ul {
    gap: 1.5rem;
  }

  .card {
    padding: 2.5rem;
  }

  table {
    font-size: 1rem;
  }
}

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

  h2 {
    font-size: 2.5rem;
  }

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

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

  .card {
    padding: 3rem;
  }
}

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

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

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

  .site-main {
    max-width: 100%;
    padding: 0;
  }

  .card {
    border: 2px solid var(--color-text);
    box-shadow: none;
    page-break-inside: avoid;
  }

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

  details[open] {
    border: 2px solid var(--color-text);
  }
}