:root {
  --color-primary: #2F2A8C;
  --color-secondary: #0F8A7B;
  --color-accent: #FF4D6D;
  --color-background: #FFF7E6;
  --color-surface: #FFFFFF;
  --color-text: #14121A;
  --color-text-muted: #4B4656;
  --color-border: #1E1B26;
  --radius: 14px;
  --shadow: 6px 6px 0 var(--color-border);
  --maxw: 1120px;
  --space: clamp(12px, 2vw, 20px);
}

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

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
}

h1 {
  font-size: clamp(2rem, 1.5rem + 2vw, 3rem);
  line-height: 1.1;
  font-weight: 900;
  margin-bottom: var(--space);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.5rem, 1.25rem + 1vw, 2rem);
  line-height: 1.2;
  font-weight: 800;
  margin-top: calc(var(--space) * 2);
  margin-bottom: var(--space);
  color: var(--color-text);
  border-left: 6px solid var(--color-accent);
  padding-left: var(--space);
}

h3 {
  font-size: clamp(1.25rem, 1.1rem + 0.5vw, 1.5rem);
  line-height: 1.3;
  font-weight: 700;
  margin-top: calc(var(--space) * 1.5);
  margin-bottom: calc(var(--space) * 0.75);
  color: var(--color-secondary);
}

p {
  margin-bottom: calc(var(--space) * 0.75);
}

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

a:hover {
  color: var(--color-accent);
  text-decoration-color: var(--color-accent);
  transform: translateY(-1px);
}

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

header {
  background-color: var(--color-surface);
  border-bottom: 5px solid var(--color-border);
  padding: var(--space);
  margin-bottom: calc(var(--space) * 2);
}

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

header .site-name {
  font-size: clamp(1.5rem, 1.25rem + 1vw, 2rem);
  font-weight: 900;
  color: var(--color-primary);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

header .site-name:hover {
  color: var(--color-secondary);
  transform: translateY(-2px);
}

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

header nav a {
  padding: calc(var(--space) * 0.5) calc(var(--space) * 0.75);
  background-color: var(--color-background);
  border: 3px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
  box-shadow: 4px 4px 0 var(--color-border);
}

header nav a:hover {
  background-color: var(--color-accent);
  color: var(--color-surface);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--color-border);
}

main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--space) calc(var(--space) * 2);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--space) * 0.5);
  align-items: center;
  margin-bottom: calc(var(--space) * 1.5);
  padding: calc(var(--space) * 0.75);
  background-color: var(--color-surface);
  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);
  font-weight: 700;
}

section, article, aside {
  margin-bottom: calc(var(--space) * 2);
}

.card, .nav-card {
  background-color: var(--color-surface);
  border: 4px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space);
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card:hover, .nav-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0 var(--color-border);
}

.quick-nav {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space);
  margin: calc(var(--space) * 2) 0;
}

.nav-card {
  display: flex;
  flex-direction: column;
  gap: calc(var(--space) * 0.5);
}

.nav-card a {
  display: block;
  padding: calc(var(--space) * 0.5);
  background-color: var(--color-background);
  border: 2px solid var(--color-border);
  border-radius: calc(var(--radius) * 0.5);
  text-decoration: none;
  font-weight: 700;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.nav-card a:hover {
  background-color: var(--color-secondary);
  color: var(--color-surface);
  transform: translateX(4px);
}

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

.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);
  position: sticky;
  top: 0;
  z-index: 10;
}

th {
  padding: calc(var(--space) * 0.75);
  text-align: left;
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  border-bottom: 3px solid var(--color-border);
}

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

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

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(47, 42, 140, 0.1);
}

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

details {
  background-color: var(--color-surface);
  border: 4px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space);
  margin: calc(var(--space) * 1.5) 0;
  box-shadow: var(--shadow);
  transition: box-shadow 0.25s ease;
}

details[open] {
  border-left-color: var(--color-accent);
  border-left-width: 8px;
  box-shadow: 8px 8px 0 var(--color-border);
}

summary {
  font-weight: 800;
  font-size: 1.15rem;
  cursor: pointer;
  list-style: none;
  padding: calc(var(--space) * 0.5);
  border-radius: calc(var(--radius) * 0.5);
  transition: background-color 0.2s ease, transform 0.2s ease;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: calc(var(--space) * 0.5);
}

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

summary::before {
  content: "▶";
  display: inline-block;
  font-size: 0.8em;
  transition: transform 0.25s ease;
  color: var(--color-accent);
  font-weight: 900;
}

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

summary:hover {
  background-color: var(--color-background);
  transform: translateX(4px);
}

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

details[open] summary {
  margin-bottom: var(--space);
  border-bottom: 3px solid var(--color-accent);
  padding-bottom: var(--space);
}

details > *:not(summary) {
  margin-top: var(--space);
}

blockquote {
  margin: calc(var(--space) * 1.5) 0;
  padding: var(--space);
  background-color: rgba(15, 138, 123, 0.08);
  border-left: 8px solid var(--color-secondary);
  border-radius: var(--radius);
  font-style: italic;
  color: var(--color-text);
  box-shadow: 4px 4px 0 rgba(30, 27, 38, 0.15);
}

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

aside {
  background-color: var(--color-surface);
  border: 4px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space);
  box-shadow: var(--shadow);
  margin-top: calc(var(--space) * 2);
}

aside h2, aside h3 {
  margin-top: 0;
}

footer {
  background-color: var(--color-surface);
  border-top: 5px solid var(--color-border);
  padding: calc(var(--space) * 1.5) var(--space);
  margin-top: calc(var(--space) * 3);
  text-align: center;
}

footer p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 600;
}

button, input[type="submit"] {
  padding: calc(var(--space) * 0.75) calc(var(--space) * 1.25);
  background-color: var(--color-primary);
  color: var(--color-surface);
  border: 3px solid var(--color-border);
  border-radius: var(--radius);
  font-weight: 800;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: 4px 4px 0 var(--color-border);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

button:hover, input[type="submit"]:hover {
  background-color: var(--color-accent);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--color-border);
}

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

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

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

strong {
  font-weight: 800;
  color: var(--color-primary);
}

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

code {
  background-color: var(--color-background);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: "Courier New", Courier, monospace;
  font-size: 0.9em;
  border: 2px solid var(--color-border);
}

@media (min-width: 768px) {
  header .header-inner {
    flex-wrap: nowrap;
  }

  .quick-nav {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }

  table {
    font-size: 1rem;
  }

  thead {
    position: sticky;
  }
}

@media (min-width: 1024px) {
  body {
    font-size: 1.125rem;
  }

  h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 2rem;
  }

  .quick-nav {
    grid-template-columns: repeat(3, 1fr);
  }
}

@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;
  }

  a:hover, button:hover, summary:hover, .card:hover, .nav-card:hover {
    transform: none;
  }

  summary::before {
    transition: none;
  }
}

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

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

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

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

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

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

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

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

  table, figure, img {
    page-break-inside: avoid;
  }
}