:root {
  --color-primary: #1E2A44;
  --color-secondary: #7B2D3A;
  --color-accent: #C9A227;
  --color-bg: #F6F3EE;
  --color-surface: #FFFFFF;
  --color-text: #14161A;
  --color-muted: #4B5563;
  --color-border: #D8D2C7;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(20, 22, 26, 0.10);
  --space: clamp(14px, 1.6vw, 20px);
  --maxw: 1120px;
  --transition: 0.25s ease;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  font-size: 1.0625rem;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 0.75em;
  color: var(--color-primary);
}

h1 {
  font-size: 2.5rem;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  line-height: 1.15;
}

h2 {
  font-size: 2rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  border-bottom: 3px solid var(--color-accent);
  padding-bottom: 0.5rem;
}

h3 {
  font-size: 1.5rem;
  margin-top: 1.75rem;
  color: var(--color-secondary);
}

h4 {
  font-size: 1.25rem;
  margin-top: 1.5rem;
}

p {
  margin-bottom: 1.25rem;
  max-width: 70ch;
}

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

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

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

ul, ol {
  margin-bottom: 1.25rem;
  padding-left: 1.75rem;
  max-width: 70ch;
}

li {
  margin-bottom: 0.5rem;
}

header {
  background-color: var(--color-surface);
  border-bottom: 2px solid var(--color-border);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
}

header .container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: var(--space);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

header .site-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  display: inline-block;
}

header .site-name:hover {
  color: var(--color-secondary);
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

nav a {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  background-color: var(--color-bg);
  color: var(--color-primary);
  text-decoration: none;
  border-radius: calc(var(--radius) / 2);
  border: 2px solid var(--color-border);
  font-weight: 600;
  transition: background-color var(--transition), border-color var(--transition), color var(--transition);
}

nav a:hover {
  background-color: var(--color-primary);
  color: var(--color-surface);
  border-color: var(--color-primary);
}

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

.breadcrumbs {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem var(--space);
  font-size: 0.9375rem;
}

.breadcrumbs .container {
  max-width: var(--maxw);
  margin: 0 auto;
}

.breadcrumbs ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.breadcrumbs li:not(:last-child)::after {
  content: "›";
  margin-left: 0.5rem;
  color: var(--color-muted);
}

.breadcrumbs a {
  color: var(--color-secondary);
  text-decoration: none;
  font-weight: 500;
}

.breadcrumbs a:hover {
  text-decoration: underline;
}

body {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  min-height: 100vh;
}

.page-wrapper {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: calc(var(--space) * 2) var(--space);
  width: 100%;
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--space) * 2);
}

main {
  min-width: 0;
}

aside {
  background-color: var(--color-surface);
  padding: calc(var(--space) * 1.5);
  border-radius: var(--radius);
  border: 2px solid var(--color-border);
  box-shadow: var(--shadow);
}

aside h2, aside h3 {
  font-size: 1.25rem;
  margin-top: 0;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 0.5rem;
}

aside p, aside ul {
  font-size: 0.9375rem;
}

section {
  margin-bottom: calc(var(--space) * 3);
}

article {
  background-color: var(--color-surface);
  padding: calc(var(--space) * 2);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: calc(var(--space) * 2);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background-color: var(--color-surface);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  overflow: hidden;
  font-size: 0.9375rem;
}

.table-wrapper {
  overflow-x: auto;
  margin: 2rem 0;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

table caption {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-primary);
  text-align: left;
  padding: 1rem;
  background-color: var(--color-bg);
  border-bottom: 3px solid var(--color-accent);
}

thead {
  background-color: var(--color-primary);
  color: var(--color-surface);
  position: sticky;
  top: 0;
  z-index: 10;
}

th {
  text-align: left;
  padding: 1rem;
  font-weight: 700;
  border-bottom: 2px solid var(--color-accent);
}

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

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

tbody tr:hover {
  background-color: rgba(201, 162, 39, 0.08);
  transition: background-color var(--transition);
}

details {
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
  transition: border-color var(--transition);
}

details:hover {
  border-color: var(--color-accent);
}

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

summary {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: color var(--transition);
}

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

summary::before {
  content: "▸";
  color: var(--color-accent);
  font-size: 1.25rem;
  transition: transform var(--transition);
}

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

summary:hover {
  color: var(--color-secondary);
}

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

details p {
  margin-top: 1rem;
  padding-left: 2rem;
  color: var(--color-text);
}

blockquote {
  margin: 2rem 0;
  padding: 1.5rem;
  background-color: rgba(201, 162, 39, 0.05);
  border-left: 5px solid var(--color-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--color-text);
  box-shadow: var(--shadow);
}

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

blockquote cite {
  display: block;
  margin-top: 1rem;
  font-style: normal;
  font-weight: 600;
  color: var(--color-secondary);
  font-size: 0.9375rem;
}

blockquote cite::before {
  content: "— ";
}

footer {
  background-color: var(--color-primary);
  color: var(--color-surface);
  margin-top: auto;
  padding: calc(var(--space) * 2) var(--space);
  border-top: 4px solid var(--color-accent);
}

footer .container {
  max-width: var(--maxw);
  margin: 0 auto;
}

footer nav ul {
  list-style: none;
  padding: 0;
  margin-bottom: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

footer a {
  color: var(--color-surface);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition);
}

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

footer p {
  margin: 0;
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.85);
}

@media (min-width: 768px) {
  h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 2.25rem;
  }

  h3 {
    font-size: 1.75rem;
  }

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

  nav ul {
    gap: 1rem;
  }

  .page-wrapper {
    grid-template-columns: 1fr;
  }

  table {
    font-size: 1rem;
  }

  thead {
    position: sticky;
  }
}

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

  aside {
    position: sticky;
    top: calc(var(--space) * 6);
    align-self: start;
  }
}

@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;
  }
}

@media print {
  * {
    background: white !important;
    color: black !important;
    box-shadow: none !important;
  }

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

  body {
    display: block;
  }

  .page-wrapper {
    display: block;
    max-width: 100%;
    padding: 0;
  }

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

  a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 0.875rem;
  }

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

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

  p {
    orphans: 3;
    widows: 3;
  }
}

:focus {
  outline: 2px solid transparent;
}

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

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}