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

:root {
  --color-primary: #881337;
  --color-secondary: #4c0519;
  --color-accent: #fda4af;
  --color-bg: #fffbfb;
  --color-surface: #fef2f4;
  --color-text: #3b0712;
  --color-text-muted: #8b6b73;
  --color-border: #e8cdd2;
  --font-main: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --max-width: 1100px;
  --radius: 0;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 4rem;
  --border-width: 2px;
  --grid-gap: 1.5rem;
}

html {
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

h1 {
  font-size: 2.5rem;
  text-transform: uppercase;
  letter-spacing: -0.04em;
  border-bottom: 4px solid var(--color-primary);
  padding-bottom: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

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

h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background-color: var(--color-primary);
}

h3 {
  font-size: 1.5rem;
  text-transform: uppercase;
  font-weight: 600;
}

h4 {
  font-size: 1.25rem;
  font-weight: 600;
}

h5 {
  font-size: 1.125rem;
  font-weight: 600;
}

h6 {
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

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;
  font-weight: 500;
}

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

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
  background-color: var(--color-accent);
}

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

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

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: 6px solid var(--color-primary);
  font-style: italic;
  color: var(--color-text-muted);
  position: relative;
}

blockquote::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-accent) 50%, transparent 50%);
}

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

.site-header {
  background-color: var(--color-surface);
  border-bottom: var(--border-width) solid var(--color-border);
  padding: var(--spacing-lg) 0;
  position: relative;
}

.site-header::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: repeating-linear-gradient(
    90deg,
    var(--color-primary),
    var(--color-primary) 10px,
    transparent 10px,
    transparent 20px
  );
}

.site-nav {
  display: flex;
  gap: 0;
  flex-wrap: wrap;
  border: var(--border-width) solid var(--color-border);
  background-color: var(--color-bg);
}

.site-nav a {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: none;
  border-right: var(--border-width) solid var(--color-border);
  display: block;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.05em;
  font-size: 0.875rem;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.site-nav a:last-child {
  border-right: none;
}

.site-nav a:hover {
  background-color: var(--color-primary);
  color: var(--color-bg);
  border-bottom: none;
}

.site-nav a:focus-visible {
  outline: none;
  background-color: var(--color-accent);
  color: var(--color-secondary);
}

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

.site-footer {
  background-color: var(--color-secondary);
  color: var(--color-bg);
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-xl);
  border-top: 4px solid var(--color-primary);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 0;
  right: 0;
  height: 4px;
  background: repeating-linear-gradient(
    90deg,
    var(--color-accent),
    var(--color-accent) 20px,
    transparent 20px,
    transparent 40px
  );
}

.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;
  padding: 0 var(--spacing-md);
  width: 100%;
}

.breadcrumbs {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-sm) 0;
  font-size: 0.875rem;
  border-bottom: 1px solid var(--color-border);
}

.breadcrumbs::before {
  content: '';
  width: 8px;
  height: 8px;
  background-color: var(--color-primary);
  display: block;
  margin-right: var(--spacing-xs);
}

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

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

.breadcrumbs span {
  color: var(--color-text-muted);
}

.card {
  background-color: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  position: relative;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: var(--color-primary);
}

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

.card h3 {
  margin-top: var(--spacing-sm);
}

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

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

table th {
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.875rem;
  border-right: var(--border-width) solid var(--color-primary);
}

table th:last-child {
  border-right: none;
}

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

table td:last-child {
  border-right: none;
}

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

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

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

details {
  border: var(--border-width) solid var(--color-border);
  margin-bottom: var(--spacing-md);
  background-color: var(--color-surface);
}

summary {
  padding: var(--spacing-md) var(--spacing-lg);
  cursor: pointer;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: var(--color-bg);
  border-bottom: var(--border-width) solid var(--color-border);
  position: relative;
  transition: background-color 0.2s ease, color 0.2s ease;
  list-style: none;
}

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

summary::before {
  content: '▶';
  position: absolute;
  left: var(--spacing-md);
  transition: transform 0.2s ease;
  color: var(--color-primary);
  font-size: 0.75rem;
}

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

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

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

summary:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

details[open] summary {
  border-bottom: var(--border-width) solid var(--color-primary);
}

details div {
  padding: var(--spacing-lg);
  transition: opacity 0.2s ease;
}

@media (min-width: 768px) {
  h1 {
    font-size: 3.5rem;
  }

  h2 {
    font-size: 2.5rem;
  }

  h3 {
    font-size: 1.75rem;
  }

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

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

  .site-nav {
    justify-content: flex-start;
  }

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

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

  .card::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 0 30px 30px;
    border-color: transparent transparent var(--color-primary) transparent;
  }

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

@media (min-width: 1024px) {
  :root {
    --grid-gap: 2rem;
  }

  h1 {
    font-size: 4rem;
  }

  .site-header .container {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: var(--grid-gap);
  }

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

  .card:hover {
    box-shadow: 12px 12px 0 var(--color-accent);
  }
}

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

  summary::before {
    transition: none;
  }

  details div {
    transition: none;
  }
}

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

  .site-header {
    border-bottom: 2px solid black;
    padding: 1rem 0;
  }

  .site-footer {
    border-top: 2px solid black;
    background-color: white;
    color: black;
    margin-top: 2rem;
    padding: 1rem 0;
  }

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

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

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

  table {
    page-break-inside: avoid;
  }

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