:root {
  --color-primary: #2B1B3A;
  --color-secondary: #0F3D3E;
  --color-accent: #D14B2A;
  --color-background: #FBF7F2;
  --color-surface: #FFFFFF;
  --color-text: #14121A;
  --color-text-muted: #5A5566;
  --color-border: #2A2733;
  --radius: 14px;
  --shadow: 6px 6px 0 var(--color-border);
  --space: clamp(14px, 2vw, 22px);
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Courier New", Courier, monospace;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-base);
  background-color: var(--color-background);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  grid-template-columns: 1fr;
}

header {
  background-color: var(--color-primary);
  color: var(--color-surface);
  padding: var(--space);
  border-bottom: 4px solid var(--color-border);
}

header h1 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 900;
  margin-bottom: calc(var(--space) * 0.5);
  letter-spacing: -0.02em;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--space) * 0.75);
  margin-top: calc(var(--space) * 0.5);
}

nav a {
  color: var(--color-surface);
  text-decoration: none;
  font-weight: 700;
  padding: 0.5rem 1rem;
  background-color: var(--color-secondary);
  border: 3px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: 3px 3px 0 var(--color-border);
  transition: transform 0.2s, box-shadow 0.2s;
}

nav a:hover {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--color-border);
  background-color: var(--color-accent);
}

nav a:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 4px;
}

main {
  padding: var(--space);
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--space) * 1.5);
}

article,
section {
  background-color: var(--color-surface);
  padding: calc(var(--space) * 1.5);
  border: 4px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

h1 {
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: calc(var(--space) * 1.25);
  color: var(--color-primary);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 800;
  line-height: 1.3;
  margin-top: calc(var(--space) * 1.5);
  margin-bottom: var(--space);
  color: var(--color-secondary);
  letter-spacing: -0.02em;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  font-weight: 700;
  line-height: 1.4;
  margin-top: var(--space);
  margin-bottom: calc(var(--space) * 0.75);
  color: var(--color-primary);
}

p {
  margin-bottom: var(--space);
  max-width: 75ch;
}

a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  font-weight: 600;
  transition: text-decoration-thickness 0.2s, color 0.2s;
}

a:hover {
  color: var(--color-secondary);
  text-decoration-thickness: 3px;
}

a:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: calc(var(--space) * 1.5);
  padding: calc(var(--space) * 0.75);
  background-color: var(--color-background);
  border: 3px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.9rem;
}

.breadcrumbs a {
  text-decoration: none;
  font-weight: 600;
}

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

.breadcrumbs span::before {
  content: "→";
  margin: 0 0.5rem;
  font-weight: 700;
}

.breadcrumbs span:first-child::before {
  content: "";
  margin: 0;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: calc(var(--space) * 1.5) 0;
  border: 4px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background-color: var(--color-surface);
}

.table-wrapper {
  overflow-x: auto;
  margin: calc(var(--space) * 1.5) 0;
}

caption {
  font-weight: 800;
  font-size: 1.1rem;
  text-align: left;
  padding: var(--space);
  background-color: var(--color-primary);
  color: var(--color-surface);
  border-bottom: 4px solid var(--color-border);
}

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

th {
  padding: calc(var(--space) * 0.75);
  text-align: left;
  font-weight: 700;
  border-bottom: 3px solid var(--color-border);
}

td {
  padding: calc(var(--space) * 0.75);
  border-bottom: 2px solid var(--color-background);
}

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

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

tbody tr:hover {
  background-color: rgba(209, 75, 42, 0.1);
  transition: background-color 0.2s;
}

details {
  margin: calc(var(--space) * 1.25) 0;
  border: 4px solid var(--color-border);
  border-radius: var(--radius);
  background-color: var(--color-surface);
  box-shadow: 4px 4px 0 var(--color-border);
  overflow: hidden;
}

details[open] {
  background-color: var(--color-background);
  box-shadow: var(--shadow);
}

summary {
  padding: var(--space);
  font-weight: 700;
  font-size: 1.1rem;
  cursor: pointer;
  background-color: var(--color-secondary);
  color: var(--color-surface);
  border-bottom: 3px solid var(--color-border);
  list-style: none;
  transition: background-color 0.2s;
  user-select: none;
}

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

summary::before {
  content: "▶";
  display: inline-block;
  margin-right: 0.75rem;
  transition: transform 0.3s;
  font-size: 0.9em;
}

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

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

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

details div {
  padding: calc(var(--space) * 1.25);
}

blockquote {
  margin: calc(var(--space) * 1.5) 0;
  padding: var(--space) calc(var(--space) * 1.5);
  border-left: 6px solid var(--color-accent);
  background-color: var(--color-background);
  border-radius: var(--radius);
  box-shadow: 4px 4px 0 var(--color-border);
  font-style: italic;
  color: var(--color-text-muted);
}

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

aside {
  background-color: var(--color-surface);
  padding: calc(var(--space) * 1.5);
  border: 4px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

aside h2 {
  font-size: 1.25rem;
  margin-top: 0;
}

footer {
  background-color: var(--color-primary);
  color: var(--color-surface);
  padding: calc(var(--space) * 1.5);
  text-align: center;
  border-top: 4px solid var(--color-border);
  font-weight: 600;
  margin-top: calc(var(--space) * 2);
}

ul,
ol {
  margin-left: calc(var(--space) * 1.5);
  margin-bottom: var(--space);
}

li {
  margin-bottom: calc(var(--space) * 0.5);
}

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

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

code {
  font-family: var(--font-mono);
  background-color: var(--color-background);
  padding: 0.2em 0.4em;
  border-radius: 4px;
  border: 2px solid var(--color-border);
  font-size: 0.9em;
}

@media (min-width: 768px) {
  main {
    grid-template-columns: 2fr 1fr;
  }

  article {
    grid-column: 1;
  }

  aside {
    grid-column: 2;
    grid-row: 1 / span 10;
  }

  nav {
    gap: var(--space);
  }

  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  h3 {
    font-size: 1.5rem;
  }
}

@media (min-width: 1024px) {
  main {
    max-width: 1600px;
    grid-template-columns: 3fr 1fr;
    gap: calc(var(--space) * 2);
  }

  aside {
    position: sticky;
    top: var(--space);
    align-self: start;
  }

  thead {
    position: sticky;
    top: 0;
    z-index: 10;
  }

  table {
    font-size: 1rem;
  }

  th,
  td {
    padding: var(--space);
  }
}

@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;
  }

  html {
    scroll-behavior: auto;
  }

  summary::before {
    transition: none;
  }

  nav a {
    transition: none;
  }

  a {
    transition: none;
  }
}

@media print {
  body {
    background-color: white;
    color: black;
  }

  header,
  footer,
  nav,
  aside {
    display: none;
  }

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

  article,
  section {
    box-shadow: none;
    border: 1px solid black;
    page-break-inside: avoid;
  }

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

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

  details {
    border: 1px solid black;
    box-shadow: none;
  }

  details summary {
    background-color: white;
    color: black;
    border-bottom: 1px solid black;
  }

  details[open] {
    background-color: white;
  }

  table {
    box-shadow: none;
    border: 2px solid black;
  }

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

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

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