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

:root {
  --color-primary: #2563eb;
  --color-secondary: #1d4ed8;
  --color-accent: #bfdbfe;
  --color-bg: #ffffff;
  --color-surface: #eff6ff;
  --color-text: #172554;
  --color-text-muted: #6080b0;
  --color-border: #c8daf0;
  --font-main: 'Courier New', 'Lucida Console', Monaco, monospace;
  --max-width: 1100px;
  --radius: 2px;
}

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image: radial-gradient(circle, var(--color-border) 1px, transparent 1px);
  background-size: 20px 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: bold;
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
  color: var(--color-text);
}

h1 {
  font-size: 3rem;
  border-bottom: 4px dotted var(--color-primary);
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}

h2 {
  font-size: 2.25rem;
  border-left: 6px solid var(--color-primary);
  padding-left: 1rem;
  margin-top: 2rem;
}

h3 {
  font-size: 1.75rem;
  position: relative;
  padding-bottom: 0.75rem;
  margin-top: 1.5rem;
}

h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background: repeating-linear-gradient(
    to right,
    var(--color-secondary) 0px,
    var(--color-secondary) 5px,
    transparent 5px,
    transparent 10px
  );
}

h4 {
  font-size: 1.5rem;
  color: var(--color-secondary);
  margin-top: 1.25rem;
}

h5 {
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

h6 {
  font-size: 1rem;
  color: var(--color-text-muted);
  font-style: italic;
}

p {
  margin-bottom: 1.25rem;
  text-align: justify;
  hyphens: auto;
}

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

a:hover {
  color: var(--color-secondary);
  background-color: var(--color-accent);
  text-decoration-style: solid;
}

a:focus-visible {
  outline: 3px dashed var(--color-primary);
  outline-offset: 4px;
  background-color: var(--color-accent);
}

strong {
  font-weight: bold;
  color: var(--color-text);
  background-color: var(--color-accent);
  padding: 2px 4px;
}

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

blockquote {
  margin: 2rem 0;
  padding: 1.5rem;
  border-left: 6px solid var(--color-primary);
  background-color: var(--color-surface);
  background-image: radial-gradient(circle, var(--color-accent) 1px, transparent 1px);
  background-size: 15px 15px;
  font-style: italic;
  position: relative;
}

blockquote::before {
  content: '❝';
  font-size: 4rem;
  color: var(--color-accent);
  position: absolute;
  top: -10px;
  left: 10px;
  line-height: 1;
}

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

.site-header {
  background-color: var(--color-bg);
  border-bottom: 3px dashed var(--color-border);
  padding: 2rem 1rem;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 6px rgba(37, 99, 235, 0.1);
}

.site-header .container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.site-header h1 {
  font-size: 2rem;
  margin: 0;
  border: 3px dotted var(--color-primary);
  padding: 0.75rem 1rem;
  background-color: var(--color-surface);
  text-align: center;
}

.site-nav {
  background-color: var(--color-surface);
  border-top: 2px dotted var(--color-border);
  border-bottom: 2px dotted var(--color-border);
}

.site-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  justify-content: center;
}

.site-nav li {
  flex: 1 1 auto;
  min-width: 120px;
  border-right: 2px dashed var(--color-border);
}

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

.site-nav a {
  display: block;
  padding: 1rem 1.5rem;
  text-decoration: none;
  color: var(--color-text);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: bold;
  transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
  border-bottom: 3px solid transparent;
}

.site-nav a:hover {
  background-color: var(--color-accent);
  color: var(--color-secondary);
  border-bottom-color: var(--color-primary);
  box-shadow: inset 0 -3px 0 var(--color-primary);
}

.site-nav a:focus-visible {
  outline: 3px dashed var(--color-primary);
  outline-offset: -6px;
}

.site-main {
  flex: 1;
  padding: 2rem 1rem;
}

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

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 1rem 0;
  margin-bottom: 2rem;
  font-size: 0.9rem;
  border-top: 2px dashed var(--color-border);
  border-bottom: 2px dashed var(--color-border);
  background-color: var(--color-surface);
  padding: 0.75rem 1rem;
}

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

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

.breadcrumbs a::after {
  content: ' / ';
  color: var(--color-border);
  margin-left: 0.5rem;
}

.breadcrumbs a:last-child::after {
  content: '';
}

.card {
  background-color: var(--color-bg);
  border: 3px dotted 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: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: repeating-linear-gradient(
    to right,
    var(--color-primary) 0px,
    var(--color-primary) 10px,
    var(--color-secondary) 10px,
    var(--color-secondary) 20px
  );
}

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

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

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 2rem 0;
  border: 3px dotted var(--color-border);
  background-color: var(--color-bg);
  font-size: 0.95rem;
}

table th {
  background-color: var(--color-secondary);
  color: var(--color-bg);
  padding: 1rem;
  text-align: left;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-bottom: 3px dashed var(--color-primary);
}

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

table tr:nth-child(even) {
  background-color: var(--color-surface);
  background-image: radial-gradient(circle, var(--color-accent) 0.5px, transparent 0.5px);
  background-size: 10px 10px;
}

table tr:hover {
  background-color: var(--color-accent);
  transition: background-color 0.2s ease;
}

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

details {
  margin: 1.5rem 0;
  border: 3px dotted var(--color-border);
  background-color: var(--color-bg);
  overflow: hidden;
}

summary {
  padding: 1.25rem;
  background-color: var(--color-surface);
  cursor: pointer;
  font-weight: bold;
  list-style: none;
  user-select: none;
  position: relative;
  transition: background-color 0.2s ease, color 0.2s ease;
  border-bottom: 2px dashed var(--color-border);
}

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

summary::before {
  content: '▶';
  display: inline-block;
  margin-right: 0.75rem;
  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-secondary);
}

summary:focus-visible {
  outline: 3px dashed var(--color-primary);
  outline-offset: -6px;
}

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

details > *:not(summary) {
  padding: 1.5rem;
  animation: slideDown 0.2s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.site-footer {
  background-color: var(--color-text);
  color: var(--color-bg);
  padding: 3rem 1rem 2rem;
  margin-top: 4rem;
  border-top: 6px solid var(--color-primary);
  background-image: radial-gradient(circle, rgba(191, 219, 254, 0.1) 1px, transparent 1px);
  background-size: 25px 25px;
}

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

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

.site-footer p {
  text-align: center;
  margin-bottom: 0.5rem;
}

.site-footer .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

input[type="text"],
input[type="email"],
input[type="search"],
input[type="tel"],
input[type="url"],
textarea,
select {
  width: 100%;
  padding: 0.75rem;
  border: 3px dotted 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;
  margin-bottom: 1rem;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-accent);
}

button,
input[type="submit"],
input[type="button"] {
  background-color: var(--color-primary);
  color: var(--color-bg);
  padding: 0.875rem 2rem;
  border: 3px solid var(--color-primary);
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

button:hover,
input[type="submit"]:hover,
input[type="button"]:hover {
  background-color: var(--color-secondary);
  box-shadow: 4px 4px 0 var(--color-accent);
  transform: translate(-2px, -2px);
}

button:focus-visible,
input[type="submit"]:focus-visible,
input[type="button"]:focus-visible {
  outline: 3px dashed var(--color-text);
  outline-offset: 4px;
}

button:active,
input[type="submit"]:active,
input[type="button"]:active {
  transform: translate(0, 0);
  box-shadow: none;
}

ul:not(.site-nav ul) {
  list-style: none;
  padding-left: 0;
}

ul:not(.site-nav ul) li {
  padding-left: 2rem;
  margin-bottom: 0.75rem;
  position: relative;
}

ul:not(.site-nav ul) li::before {
  content: '◆';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

ol {
  padding-left: 2rem;
  counter-reset: item;
  list-style: none;
}

ol li {
  margin-bottom: 0.75rem;
  counter-increment: item;
  position: relative;
}

ol li::before {
  content: counter(item) '.';
  position: absolute;
  left: -2rem;
  color: var(--color-primary);
  font-weight: bold;
  width: 1.5rem;
  text-align: right;
}

hr {
  border: none;
  border-top: 3px dashed var(--color-border);
  margin: 3rem 0;
  position: relative;
}

hr::after {
  content: '❋';
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-bg);
  padding: 0 1rem;
  color: var(--color-primary);
  font-size: 1.5rem;
}

code {
  background-color: var(--color-surface);
  border: 2px dotted var(--color-border);
  padding: 0.25rem 0.5rem;
  font-family: var(--font-main);
  color: var(--color-secondary);
  font-size: 0.9em;
}

pre {
  background-color: var(--color-surface);
  border: 3px dotted var(--color-border);
  padding: 1.5rem;
  overflow-x: auto;
  margin: 2rem 0;
  border-left: 6px solid var(--color-primary);
}

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

@media (min-width: 768px) {
  body {
    font-size: 17px;
  }

  h1 {
    font-size: 4rem;
  }

  h2 {
    font-size: 2.75rem;
  }

  h3 {
    font-size: 2rem;
  }

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

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

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

  .site-main {
    padding: 3rem 2rem;
  }

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

  .card {
    padding: 2.5rem;
  }
}

@media (min-width: 1024px) {
  body {
    font-size: 18px;
  }

  h1 {
    font-size: 5rem;
  }

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

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

  .card {
    padding: 3rem;
  }

  table {
    font-size: 1rem;
  }
}

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

  details > *:not(summary) {
    animation: none;
  }
}

@media print {
  body {
    background: white;
    background-image: none;
    color: black;
  }

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

  .site-main {
    padding: 0;
  }

  .container {
    max-width: 100%;
  }

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

  .card {
    border: 2px solid black;
    page-break-inside: avoid;
  }

  table {
    border: 2px solid black;
  }

  table th {
    background-color: #eee;
    color: black;
  }
}