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

:root {
  --color-primary: #a8884a;
  --color-secondary: #6e5a2e;
  --color-accent: #f0e0b8;
  --color-bg: #fefdf8;
  --color-surface: #faf6ec;
  --color-text: #3a2f18;
  --color-text-muted: #8a7d62;
  --color-border: #ddd4be;
  --font-main: 'Courier New', 'Lucida Console', Monaco, monospace;
  --max-width: 1100px;
  --radius: 0;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
}

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

h1 {
  font-size: 2.5rem;
  margin-top: var(--spacing-xl);
  position: relative;
  padding-bottom: var(--spacing-md);
}

h1::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 80px;
  height: 4px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  clip-path: polygon(0 0, 90% 0, 100% 100%, 10% 100%);
}

h2 {
  font-size: 2rem;
  margin-top: var(--spacing-lg);
  position: relative;
  padding-left: var(--spacing-md);
}

h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: var(--color-primary);
  clip-path: polygon(0 0, 100% 10%, 100% 90%, 0 100%);
}

h3 {
  font-size: 1.5rem;
  margin-top: var(--spacing-md);
}

h4 {
  font-size: 1.25rem;
  margin-top: var(--spacing-md);
}

h5 {
  font-size: 1.125rem;
  margin-top: var(--spacing-sm);
}

h6 {
  font-size: 1rem;
  margin-top: var(--spacing-sm);
}

p {
  margin-bottom: var(--spacing-md);
  max-width: 70ch;
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  transition: color 0.2s ease, background-color 0.2s ease;
}

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

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

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

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

blockquote {
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-surface);
  border-left: 8px solid var(--color-primary);
  position: relative;
  clip-path: polygon(0 0, 100% 2%, 100% 98%, 0 100%);
}

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

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

.site-header {
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-accent) 100%);
  padding: var(--spacing-md) 0;
  border-bottom: 3px solid var(--color-border);
  position: relative;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), 0 100%);
  margin-bottom: var(--spacing-lg);
}

.site-header .container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.site-header h1 {
  margin: 0;
  padding: 0;
  font-size: 2rem;
  color: var(--color-secondary);
}

.site-header h1::after {
  display: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  list-style: none;
}

.site-nav a {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-bg);
  color: var(--color-text);
  text-decoration: none;
  border: 2px solid var(--color-border);
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  clip-path: polygon(5% 0, 100% 0, 95% 100%, 0 100%);
}

.site-nav a:hover {
  background-color: var(--color-primary);
  border-color: var(--color-secondary);
  color: var(--color-bg);
  box-shadow: 4px 4px 0 var(--color-secondary);
}

.site-nav a:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

.site-main {
  flex: 1;
  padding: var(--spacing-lg) 0;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  list-style: none;
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-sm) 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.breadcrumbs li:not(:last-child)::after {
  content: '▸';
  color: var(--color-primary);
  font-weight: 700;
}

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

.breadcrumbs a:hover {
  color: var(--color-primary);
  background-color: transparent;
  text-decoration: underline;
}

.card {
  background-color: var(--color-surface);
  border: 3px solid var(--color-border);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  position: relative;
  clip-path: polygon(0 10px, 10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  border-color: var(--color-primary);
  box-shadow: 8px 8px 0 var(--color-accent);
}

.card h2, .card h3, .card h4 {
  margin-top: 0;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: var(--spacing-lg) 0;
  border: 3px solid var(--color-border);
  background-color: var(--color-surface);
}

table thead {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-bg);
}

table th {
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 700;
  border-bottom: 3px solid var(--color-secondary);
}

table td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

table tbody tr {
  transition: background-color 0.2s ease;
}

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

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

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

details {
  margin: var(--spacing-md) 0;
  border: 3px solid var(--color-border);
  background-color: var(--color-surface);
  position: relative;
  clip-path: polygon(0 0, calc(100% - 15px) 0, 100% 15px, 100% 100%, 0 100%);
}

summary {
  padding: var(--spacing-md);
  cursor: pointer;
  font-weight: 700;
  color: var(--color-secondary);
  list-style: none;
  user-select: none;
  transition: background-color 0.2s ease, color 0.2s ease;
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

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

summary::before {
  content: '▸';
  display: inline-block;
  transition: transform 0.2s ease;
  color: var(--color-primary);
  font-size: 1.2em;
}

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

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

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

details[open] summary {
  border-bottom: 2px solid var(--color-border);
  background-color: var(--color-accent);
}

details div {
  padding: var(--spacing-md);
}

.site-footer {
  background: linear-gradient(45deg, var(--color-secondary) 0%, var(--color-primary) 100%);
  color: var(--color-bg);
  padding: var(--spacing-xl) 0 var(--spacing-lg);
  margin-top: var(--spacing-xl);
  position: relative;
  clip-path: polygon(0 20px, 100% 0, 100% 100%, 0 100%);
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 20px;
  background: var(--color-bg);
}

.site-footer .container {
  display: grid;
  gap: var(--spacing-lg);
}

.site-footer a {
  color: var(--color-accent);
  text-decoration-color: var(--color-accent);
}

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

.site-footer h2, .site-footer h3, .site-footer h4 {
  color: var(--color-bg);
}

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

  h2 {
    font-size: 2.25rem;
  }

  h3 {
    font-size: 1.75rem;
  }

  .site-header .container {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .site-header h1 {
    font-size: 2.5rem;
  }

  .site-nav {
    gap: var(--spacing-md);
  }

  .site-footer .container {
    grid-template-columns: repeat(2, 1fr);
  }

  .container {
    padding: 0 var(--spacing-lg);
  }

  .card {
    padding: var(--spacing-xl);
  }

  table th,
  table td {
    padding: var(--spacing-md) var(--spacing-lg);
  }
}

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

  .site-main {
    padding: var(--spacing-xl) 0;
  }

  .site-footer .container {
    grid-template-columns: repeat(3, 1fr);
  }

  .site-nav {
    gap: var(--spacing-md);
  }

  .site-nav a {
    padding: var(--spacing-sm) var(--spacing-lg);
  }
}

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

  summary::before {
    transition: none;
  }
}

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

  .site-main {
    padding: 0;
  }

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

  body {
    background: white;
    color: black;
  }

  .card {
    border: 1px solid black;
    clip-path: none;
    break-inside: avoid;
  }

  a {
    text-decoration: underline;
    color: black;
  }

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

  table {
    border: 1px solid black;
  }

  table thead {
    background: #f0f0f0;
    color: black;
  }
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="tel"],
input[type="url"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-main);
  font-size: 1rem;
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 3px solid var(--color-border);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

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: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-bg);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border: 3px solid var(--color-secondary);
  cursor: pointer;
  transition: background-color 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}

button:hover,
input[type="submit"]:hover,
input[type="button"]:hover {
  background: var(--color-secondary);
  box-shadow: 6px 6px 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 {
  box-shadow: 2px 2px 0 var(--color-primary);
  transform: translate(2px, 2px);
}

ul, ol {
  margin: var(--spacing-md) 0;
  padding-left: var(--spacing-lg);
}

li {
  margin-bottom: var(--spacing-xs);
}

hr {
  border: none;
  height: 3px;
  background: linear-gradient(90deg, transparent 0%, var(--color-primary) 50%, transparent 100%);
  margin: var(--spacing-xl) 0;
  position: relative;
}

hr::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
  width: 12px;
  height: 12px;
  background-color: var(--color-primary);
}

code {
  font-family: var(--font-main);
  background-color: var(--color-surface);
  padding: 2px 6px;
  border: 1px solid var(--color-border);
  font-size: 0.9em;
}

pre {
  background-color: var(--color-surface);
  border: 3px solid var(--color-border);
  padding: var(--spacing-md);
  overflow-x: auto;
  margin: var(--spacing-md) 0;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 15px), calc(100% - 15px) 100%, 0 100%);
}

pre code {
  background: none;
  border: none;
  padding: 0;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border: 3px solid var(--color-border);
  clip-path: polygon(15px 0, 100% 0, 100% calc(100% - 15px), calc(100% - 15px) 100%, 0 100%, 0 15px);
}

figure {
  margin: var(--spacing-lg) 0;
}

figcaption {
  padding: var(--spacing-sm);
  background-color: var(--color-surface);
  color: var(--color-text-muted);
  font-size: 0.9rem;
  border: 3px solid var(--color-border);
  border-top: none;
}