:root {
  --color-primary: #2E3A8C;
  --color-secondary: #0F766E;
  --color-accent: #F97316;
  --color-bg: #F6F2E8;
  --color-surface: #FFFFFF;
  --color-text: #111827;
  --color-muted: #4B5563;
  --color-border: #1F2937;
  --radius: 10px;
  --shadow: 4px 4px 0 var(--color-border);
  --space: clamp(14px, 2vw, 20px);
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-base);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select {
  font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

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

a:hover {
  color: var(--color-secondary);
  text-decoration-thickness: 4px;
}

a:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: 2px;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: var(--space);
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  border: 4px solid var(--color-border);
  padding: var(--space);
  background: var(--color-surface);
  box-shadow: var(--shadow);
  margin-bottom: calc(var(--space) * 2);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  border-bottom: 4px solid var(--color-primary);
  padding-bottom: calc(var(--space) / 2);
  margin-top: calc(var(--space) * 2);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  color: var(--color-secondary);
  margin-top: calc(var(--space) * 1.5);
}

h4 {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
}

p {
  margin-bottom: var(--space);
}

header {
  background: var(--color-surface);
  border-bottom: 5px solid var(--color-border);
  box-shadow: 0 6px 0 var(--color-primary);
  position: sticky;
  top: 0;
  z-index: 100;
}

header .header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space);
}

header .site-name {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 900;
  color: var(--color-primary);
  text-decoration: none;
  border: 3px solid var(--color-border);
  padding: 8px 16px;
  background: var(--color-accent);
  color: var(--color-surface);
  box-shadow: 3px 3px 0 var(--color-border);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

header .site-name:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--color-border);
}

header .site-name:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 4px;
}

nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--space) / 2);
}

nav a {
  display: block;
  padding: 10px 16px;
  background: var(--color-bg);
  border: 3px solid var(--color-border);
  text-decoration: none;
  font-weight: 600;
  color: var(--color-text);
  transition: transform 0.2s ease, background 0.2s ease;
}

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

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

main {
  flex: 1;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: calc(var(--space) * 2) var(--space);
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--space) * 2);
}

.breadcrumbs {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: var(--space);
  padding: calc(var(--space) / 2);
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-left: 6px solid var(--color-secondary);
}

.breadcrumbs a {
  color: var(--color-secondary);
  text-decoration-thickness: 1px;
}

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

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

caption {
  font-weight: 700;
  font-size: 1.1rem;
  text-align: left;
  padding: var(--space);
  background: var(--color-primary);
  color: var(--color-surface);
  border: 4px solid var(--color-border);
  border-bottom: none;
}

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

th {
  padding: calc(var(--space) / 1.5);
  text-align: left;
  font-weight: 700;
  border: 2px solid var(--color-border);
}

td {
  padding: calc(var(--space) / 1.5);
  border: 2px solid var(--color-border);
}

tbody tr {
  transition: background 0.2s ease;
}

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

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

tbody tr:hover {
  background: #FEF3C7;
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

details {
  background: var(--color-surface);
  border: 3px solid var(--color-border);
  margin-bottom: var(--space);
  box-shadow: 3px 3px 0 var(--color-border);
  transition: box-shadow 0.2s ease;
}

details[open] {
  border-color: var(--color-primary);
  border-width: 4px;
  box-shadow: 5px 5px 0 var(--color-primary);
}

summary {
  padding: var(--space);
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  background: var(--color-bg);
  border-bottom: 3px solid transparent;
  transition: background 0.2s ease, border-color 0.2s ease;
  display: flex;
  align-items: center;
  gap: calc(var(--space) / 2);
}

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

summary::before {
  content: "▶";
  display: inline-block;
  font-size: 0.8em;
  transition: transform 0.2s ease;
  color: var(--color-accent);
  font-weight: 900;
}

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

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

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

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

details .details-content {
  padding: var(--space);
}

blockquote {
  margin: calc(var(--space) * 1.5) 0;
  padding: var(--space);
  background: var(--color-surface);
  border-left: 8px solid var(--color-accent);
  border: 4px solid var(--color-border);
  border-left-width: 8px;
  border-left-color: var(--color-accent);
  box-shadow: var(--shadow);
  font-style: italic;
  color: var(--color-muted);
}

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

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

li {
  margin-bottom: calc(var(--space) / 2);
}

footer {
  background: var(--color-border);
  color: var(--color-surface);
  border-top: 6px solid var(--color-primary);
  margin-top: auto;
}

footer .footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: calc(var(--space) * 2) var(--space);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space);
}

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

footer a:hover {
  color: var(--color-accent);
}

button, .button {
  display: inline-block;
  padding: 12px 24px;
  background: var(--color-accent);
  color: var(--color-surface);
  border: 3px solid var(--color-border);
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 3px 3px 0 var(--color-border);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

button:hover, .button:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--color-border);
  text-decoration: none;
}

button:active, .button:active {
  transform: translate(1px, 1px);
  box-shadow: 2px 2px 0 var(--color-border);
}

button:focus-visible, .button:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 4px;
}

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

@media (min-width: 768px) {
  main {
    grid-template-columns: 1fr;
    padding: calc(var(--space) * 3) calc(var(--space) * 2);
  }

  h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 2.25rem;
  }

  h3 {
    font-size: 1.75rem;
  }

  table {
    font-size: 1rem;
  }

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

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

  main {
    padding: calc(var(--space) * 4) calc(var(--space) * 3);
  }

  section {
    padding: calc(var(--space) * 2);
  }
}

@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;
  }
}

@media print {
  body {
    background: white;
    color: black;
    font-size: 12pt;
  }

  header, footer, nav, .breadcrumbs {
    display: none;
  }

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

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

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

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

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

  th, td {
    border: 1px solid black;
  }

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

  summary::before {
    content: "";
  }

  details[open] summary {
    border-bottom: 1px solid black;
  }

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