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

:root {
  --color-primary: #a0522d;
  --color-secondary: #6b3410;
  --color-accent: #f4c89a;
  --color-bg: #fffdf8;
  --color-surface: #fdf5eb;
  --color-text: #3e1d08;
  --color-text-muted: #8d7560;
  --color-border: #ddd0be;
  --font-main: 'Trebuchet MS', 'Lucida Sans', 'Lucida Grande', sans-serif;
  --max-width: 1100px;
  --radius: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-main);
  font-size: 1.125rem;
  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: 1.5rem;
}

h1 {
  font-size: 2.5rem;
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 4px solid var(--color-primary);
}

h2 {
  font-size: 2rem;
  margin-top: 3rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-left: 1.25rem;
}

h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background-color: var(--color-primary);
}

h3 {
  font-size: 1.5rem;
  margin-top: 2.5rem;
  color: var(--color-primary);
}

h4 {
  font-size: 1.25rem;
  margin-top: 2rem;
}

h5 {
  font-size: 1.125rem;
  margin-top: 1.5rem;
}

h6 {
  font-size: 1rem;
  margin-top: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

p {
  margin-bottom: 1.5rem;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

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

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);
}

blockquote {
  margin: 2.5rem 0;
  padding: 2rem 2rem 2rem 2.5rem;
  background-color: var(--color-surface);
  border-left: 8px solid var(--color-primary);
  font-size: 1.25rem;
  line-height: 1.7;
  color: var(--color-text);
  position: relative;
}

blockquote::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 60px;
  height: 60px;
  background-color: var(--color-accent);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
}

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

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

.site-header {
  background-color: var(--color-surface);
  border-bottom: 3px solid var(--color-border);
  padding: 2rem 1.5rem;
  position: relative;
}

.site-header::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 200px;
  height: 3px;
  background-color: var(--color-primary);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
}

.site-nav a {
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  border-bottom: 3px solid transparent;
  padding-bottom: 0.25rem;
}

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

.site-main {
  flex: 1;
  padding: 4rem 1.5rem;
}

.site-footer {
  background-color: var(--color-secondary);
  color: var(--color-accent);
  padding: 3rem 1.5rem 2rem;
  margin-top: 4rem;
  border-top: 6px solid var(--color-primary);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -6px;
  right: 0;
  width: 150px;
  height: 6px;
  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);
}

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

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 2.5rem;
  padding: 1rem 1.5rem;
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  font-size: 0.95rem;
}

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

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

.breadcrumbs::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 20px;
  background-color: var(--color-primary);
  margin-right: 0.5rem;
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 2.5rem 0;
  background-color: var(--color-bg);
  border: 3px solid var(--color-border);
}

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

table th {
  padding: 1.25rem 1rem;
  text-align: left;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.95rem;
  border: 2px solid var(--color-secondary);
}

table td {
  padding: 1.25rem 1rem;
  border: 2px solid var(--color-border);
}

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

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

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

details {
  margin: 2rem 0;
  border: 3px solid var(--color-border);
  background-color: var(--color-surface);
}

summary {
  padding: 1.5rem;
  font-weight: 700;
  color: var(--color-secondary);
  cursor: pointer;
  user-select: none;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background-color 0.2s ease, color 0.2s ease;
  position: relative;
}

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

summary::after {
  content: '';
  width: 20px;
  height: 20px;
  background-color: var(--color-primary);
  clip-path: polygon(50% 70%, 0 30%, 100% 30%);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

details[open] summary::after {
  transform: rotate(180deg);
}

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

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

details[open] summary {
  border-bottom: 3px solid var(--color-border);
  background-color: var(--color-primary);
  color: var(--color-bg);
}

details[open] summary::after {
  background-color: var(--color-bg);
}

details > *:not(summary) {
  padding: 1.5rem;
}

.card {
  background-color: var(--color-surface);
  border: 3px solid var(--color-border);
  padding: 2rem;
  margin-bottom: 2rem;
  position: relative;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.card::before {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  width: 80px;
  height: 80px;
  background-color: var(--color-primary);
  clip-path: polygon(0 0, 100% 0, 0 100%);
  transition: width 0.2s ease, height 0.2s ease;
}

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

.card:hover::before {
  width: 100px;
  height: 100px;
}

.card h3 {
  margin-top: 0;
}

ul, ol {
  margin: 1.5rem 0;
  padding-left: 2rem;
}

li {
  margin-bottom: 0.75rem;
  line-height: 1.7;
}

ul li::marker {
  color: var(--color-primary);
}

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;
  left: 0;
  top: 0;
  width: 100px;
  height: 3px;
  background-color: var(--color-primary);
}

code {
  font-family: 'Courier New', monospace;
  background-color: var(--color-surface);
  color: var(--color-secondary);
  padding: 0.2rem 0.5rem;
  border: 2px solid var(--color-border);
  font-size: 0.9em;
}

pre {
  background-color: var(--color-surface);
  border: 3px solid var(--color-border);
  border-left: 8px solid var(--color-primary);
  padding: 1.5rem;
  overflow-x: auto;
  margin: 2rem 0;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
  border: 4px solid var(--color-border);
}

button, .button {
  display: inline-block;
  padding: 1rem 2rem;
  background-color: var(--color-primary);
  color: var(--color-bg);
  border: 3px solid var(--color-primary);
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

button:hover, .button:hover {
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
  box-shadow: 6px 6px 0 var(--color-accent);
}

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

input, textarea, select {
  width: 100%;
  padding: 1rem;
  border: 3px solid var(--color-border);
  background-color: var(--color-bg);
  font-family: var(--font-main);
  font-size: 1rem;
  color: var(--color-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

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

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 700;
  color: var(--color-secondary);
}

@media (min-width: 768px) {
  body {
    font-size: 1.125rem;
  }

  h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 2.25rem;
  }

  h3 {
    font-size: 1.75rem;
  }

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

  .site-main {
    padding: 5rem 2rem;
  }

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

  .card {
    padding: 2.5rem;
  }

  blockquote {
    padding: 2.5rem 3rem;
    font-size: 1.375rem;
  }

  table th, table td {
    padding: 1.5rem;
  }

  .breadcrumbs {
    padding: 1.25rem 2rem;
  }
}

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

  h2 {
    font-size: 2.5rem;
  }

  .site-nav {
    gap: 3rem;
  }

  .site-main {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .card {
    padding: 3rem;
  }
}

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

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

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

  body {
    background: white;
    color: black;
  }

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

  .card {
    border: 2px solid black;
    box-shadow: none;
    page-break-inside: avoid;
  }

  h1, h2, h3, h4, h5, h6 {
    page-break-after: avoid;
  }
}