* {
  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: 'Georgia', 'Times New Roman', 'Palatino', serif;
  --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: 1.125rem;
  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 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  color: var(--color-secondary);
}

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

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%, 0% 100%);
}

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

h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: var(--color-primary);
  clip-path: polygon(0 0, 100% 0, 100% 85%, 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-sm);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  position: relative;
  transition: color 0.2s ease;
}

a:hover {
  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;
}

blockquote {
  margin: var(--spacing-md) 0;
  padding: var(--spacing-md);
  background-color: var(--color-surface);
  border-left: 6px solid var(--color-primary);
  position: relative;
  font-style: italic;
  color: var(--color-text-muted);
}

blockquote::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 40px 40px 0;
  border-color: transparent var(--color-accent) transparent transparent;
}

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

.site-header {
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-bg) 100%);
  border-bottom: 3px solid var(--color-border);
  position: relative;
}

.site-header::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 0;
  right: 0;
  height: 20px;
  background: var(--color-bg);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 0);
}

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

.site-header h1 {
  font-size: 1.75rem;
  margin: 0;
  color: var(--color-primary);
}

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

.site-nav {
  background-color: var(--color-surface);
  position: relative;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 15px));
}

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

.site-nav li {
  position: relative;
}

.site-nav a {
  display: block;
  padding: var(--spacing-xs) var(--spacing-md);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-weight: 600;
  transition: background-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);
  color: var(--color-bg);
  box-shadow: 0 4px 12px rgba(168, 136, 74, 0.3);
}

.site-nav a:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 2px;
}

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

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

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  align-items: center;
}

.breadcrumbs a {
  color: var(--color-text-muted);
  transition: color 0.2s ease;
}

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

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

.card {
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  position: relative;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.card:hover {
  box-shadow: 0 8px 24px rgba(110, 90, 46, 0.15);
  border-color: var(--color-primary);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 20px 20px 0;
  border-color: transparent var(--color-primary) transparent transparent;
}

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

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: var(--spacing-md) 0;
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  overflow: hidden;
}

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

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

th::after {
  content: '';
  position: absolute;
  right: 0;
  top: 25%;
  bottom: 25%;
  width: 2px;
  background-color: rgba(255, 255, 255, 0.2);
}

th:last-child::after {
  display: none;
}

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

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

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

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

details {
  margin: var(--spacing-md) 0;
  border: 2px solid var(--color-border);
  background-color: var(--color-surface);
  position: relative;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 15px), calc(100% - 15px) 100%, 0 100%);
}

summary {
  padding: var(--spacing-sm) var(--spacing-md);
  cursor: pointer;
  font-weight: 700;
  color: var(--color-secondary);
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-bg) 100%);
  transition: background-color 0.2s ease, color 0.2s ease;
  list-style: none;
  position: relative;
}

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

summary::before {
  content: '▶';
  display: inline-block;
  margin-right: var(--spacing-sm);
  transition: transform 0.2s ease;
  color: var(--color-primary);
}

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: var(--spacing-md);
  border-top: 2px solid var(--color-border);
}

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

.site-footer::before {
  content: '';
  position: absolute;
  top: -30px;
  left: 0;
  right: 0;
  height: 30px;
  background: var(--color-bg);
  clip-path: polygon(0 100%, 100% 0, 100% 100%, 0 100%);
}

.site-footer .container {
  padding: var(--spacing-lg) var(--spacing-sm) var(--spacing-md);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

.site-footer a {
  color: var(--color-accent);
  font-weight: 600;
}

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

.site-footer h3 {
  color: var(--color-bg);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.site-footer p {
  margin-bottom: var(--spacing-xs);
  opacity: 0.9;
}

button, .button {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-primary);
  color: var(--color-bg);
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s ease, box-shadow 0.2s ease;
  clip-path: polygon(8% 0, 100% 0, 92% 100%, 0% 100%);
  position: relative;
}

button:hover, .button:hover {
  background-color: var(--color-secondary);
  box-shadow: 0 6px 20px rgba(110, 90, 46, 0.4);
}

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

button:active, .button:active {
  transform: translateY(2px);
}

input, textarea, select {
  width: 100%;
  padding: var(--spacing-sm);
  font-family: var(--font-main);
  font-size: 1rem;
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 2px solid var(--color-border);
  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: 0 0 0 3px rgba(168, 136, 74, 0.2);
}

@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;
    padding: var(--spacing-md) var(--spacing-md);
  }

  .site-header h1 {
    font-size: 2.25rem;
  }

  .site-nav ul {
    justify-content: center;
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
  }

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

  .site-footer .container {
    grid-template-columns: repeat(2, 1fr);
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-md);
  }

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

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

  .site-header .container {
    padding: var(--spacing-lg) var(--spacing-md);
  }

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

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

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

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

  .card {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  blockquote {
    padding: var(--spacing-lg);
    font-size: 1.25rem;
  }
}

@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, .breadcrumbs {
    display: none;
  }

  .site-header, .site-footer {
    background: none;
    color: var(--color-text);
    border: none;
  }

  .site-header::after, .site-footer::before {
    display: none;
  }

  .site-main {
    padding: 0;
  }

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

  .card {
    break-inside: avoid;
    page-break-inside: avoid;
  }

  a {
    color: var(--color-text);
    text-decoration: underline;
  }

  button, .button {
    display: none;
  }
}