:root {
  --color-primary: #2F6F6D;
  --color-secondary: #8B6B3E;
  --color-accent: #C24B2E;
  --color-bg: #FBF7F0;
  --color-surface: #FFFFFF;
  --color-text: #1E2326;
  --color-text-muted: #5B646B;
  --color-border: #D9D2C6;
  --font-sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --font-serif: ui-serif, Georgia, Times New Roman, serif;
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-sans);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  margin: 0;
  padding: 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  line-height: 1.2;
  margin-top: 0;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.5rem;
  color: var(--color-primary);
}

h2 {
  font-size: 2rem;
  color: var(--color-primary);
  margin-top: 2rem;
}

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

p {
  margin-bottom: 1rem;
}

strong {
  color: var(--color-primary);
}

/* Links */
a {
  color: var(--color-primary);
  text-decoration: underline;
  transition: color 0.2s ease;
}

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

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

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

/* Header and Navigation */
header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.nav-brand a {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--color-primary);
  text-decoration: none;
}

.nav-links {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 2rem;
}

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

.nav-links a:hover {
  color: var(--color-primary);
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 1rem;
  max-width: 1200px;
  margin: 0 auto;
  gap: 0.5rem;
}

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

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

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

/* Main Content */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

article {
  background-color: var(--color-surface);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Editorial Grid Layout */
.editorial-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .editorial-grid {
    grid-template-columns: 2fr 1fr;
  }
}

/* Aside Styling */
aside {
  background-color: var(--color-bg);
  padding: 1.5rem;
  border-radius: var(--radius);
  border-left: 4px solid var(--color-accent);
}

aside h3 {
  margin-top: 0;
  color: var(--color-secondary);
}

aside ul {
  margin: 0;
  padding-left: 1.5rem;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background-color: var(--color-surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

table caption {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: bold;
  color: var(--color-primary);
  text-align: left;
  padding: 1rem;
  background-color: var(--color-bg);
}

th, td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

th {
  background-color: var(--color-primary);
  color: var(--color-surface);
  font-weight: 600;
}

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

tbody tr:hover {
  background-color: rgba(47, 111, 109, 0.1);
}

@media (min-width: 768px) {
  th {
    position: sticky;
    top: 0;
  }
}

@media (max-width: 767px) {
  table {
    overflow-x: auto;
    display: block;
    white-space: nowrap;
  }
  
  thead, tbody, th, td, tr {
    display: block;
  }
  
  thead tr {
    position: absolute;
    top: -9999px;
    left: -9999px;
  }
  
  tr {
    border: 1px solid var(--color-border);
    margin-bottom: 1rem;
    padding: 1rem;
    border-radius: var(--radius);
    white-space: normal;
  }
  
  td {
    border: none;
    position: relative;
    padding-left: 50%;
  }
  
  td:before {
    content: attr(data-label) ': ';
    position: absolute;
    left: 6px;
    width: 45%;
    padding-right: 10px;
    white-space: nowrap;
    font-weight: bold;
    color: var(--color-primary);
  }
}

/* Blockquotes */
blockquote {
  margin: 2rem 0;
  padding: 1.5rem;
  background-color: var(--color-bg);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  font-size: 1.1rem;
  color: var(--color-secondary);
}

blockquote p {
  margin: 0;
}

/* Details/Summary Accordions */
details {
  margin: 1rem 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

summary {
  padding: 1rem;
  background-color: var(--color-bg);
  cursor: pointer;
  font-weight: 600;
  color: var(--color-primary);
  transition: background-color 0.2s ease;
}

summary:hover {
  background-color: rgba(47, 111, 109, 0.1);
}

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

details[open] summary {
  border-bottom: 1px solid var(--color-border);
}

details p {
  padding: 1rem;
  margin: 0;
  background-color: var(--color-surface);
}

/* Footer */
footer {
  background-color: var(--color-primary);
  color: var(--color-surface);
  text-align: center;
  padding: 2rem 1rem;
  margin-top: auto;
}

footer p {
  margin: 0;
}

/* Responsive Design */
@media (max-width: 767px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .nav-links {
    gap: 1rem;
  }
  
  article {
    padding: 1rem;
  }
  
  main {
    padding: 1rem;
  }
}

@media (min-width: 768px) {
  nav {
    padding: 0 2rem;
  }
  
  .breadcrumbs {
    padding: 1rem 2rem;
  }
  
  main {
    padding: 2rem;
  }
}

/* Accessibility and Motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto !important;
  }
}

/* Focus Management */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Print Styles */
@media print {
  body {
    background: white;
    color: black;
  }
  
  header, footer, nav, .breadcrumbs {
    display: none;
  }
  
  a {
    color: black;
    text-decoration: underline;
  }
  
  blockquote {
    border-left: 4px solid black;
    background: none;
  }
}