:root {
  --color-primary: #1F3A5F;
  --color-secondary: #6B4E3D;
  --color-accent: #C7A24B;
  --color-background: #F6F2EA;
  --color-surface: #FFFFFF;
  --color-text: #14171A;
  --color-text-muted: #4B5563;
  --color-border: #D7D0C6;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(31, 58, 95, 0.12);
  --measure: 68ch;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: Georgia, Cambria, "Times New Roman", Times, serif;
  --transition-speed: 0.25s;
}

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

* {
  margin: 0;
  padding: 0;
}

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

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

body {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-background);
  background-image: 
    linear-gradient(135deg, rgba(199, 162, 75, 0.03) 0%, transparent 50%),
    linear-gradient(45deg, rgba(31, 58, 95, 0.02) 0%, transparent 70%);
  background-attachment: fixed;
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  grid-template-columns: 100%;
}

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;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: 0.75em;
}

h1 {
  font-size: clamp(2rem, 5vw + 1rem, 3.5rem);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.75rem, 4vw + 0.5rem, 2.75rem);
  letter-spacing: -0.015em;
  margin-top: 2em;
}

h3 {
  font-size: clamp(1.5rem, 3vw + 0.5rem, 2.25rem);
  color: var(--color-secondary);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw + 0.5rem, 1.75rem);
}

p {
  max-width: var(--measure);
  margin-bottom: 1.5em;
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
  transition: color var(--transition-speed) ease, text-decoration-color var(--transition-speed) ease;
}

a:hover {
  color: var(--color-accent);
  text-decoration-thickness: 2px;
}

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

header {
  background: var(--color-surface);
  border-bottom: 2px solid var(--color-border);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

header .container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem clamp(1rem, 4vw, 3rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

header .site-name {
  font-family: var(--font-sans);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: -0.01em;
}

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

nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1rem, 3vw, 2.5rem);
  align-items: center;
}

nav a {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--color-text);
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-speed) ease, border-color var(--transition-speed) ease;
}

nav a:hover, nav a:focus {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
}

main {
  max-width: 1400px;
  margin: 0 auto;
  padding: clamp(2rem, 6vw, 5rem) clamp(1rem, 4vw, 3rem);
  width: 100%;
}

main > section {
  margin-bottom: clamp(3rem, 8vw, 6rem);
}

.breadcrumbs {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  padding: 0.75rem 1.25rem;
  background: var(--color-surface);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius);
}

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

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

blockquote {
  max-width: var(--measure);
  margin: 2.5rem 0;
  padding: 1.75rem 2rem;
  background: var(--color-surface);
  border-left: 6px solid var(--color-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  box-shadow: var(--shadow);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--color-secondary);
  position: relative;
}

blockquote::before {
  content: '"';
  position: absolute;
  top: -0.25rem;
  left: 0.5rem;
  font-size: 4rem;
  color: var(--color-accent);
  opacity: 0.3;
  font-family: Georgia, serif;
  line-height: 1;
}

aside {
  background: linear-gradient(135deg, var(--color-surface) 0%, rgba(199, 162, 75, 0.05) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem 2rem;
  margin: 2.5rem 0;
  max-width: var(--measure);
}

aside h3, aside h4 {
  font-size: 1.25rem;
  margin-top: 0;
  color: var(--color-secondary);
}

table {
  width: 100%;
  max-width: var(--measure);
  border-collapse: collapse;
  margin: 2.5rem 0;
  background: var(--color-surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  font-family: var(--font-sans);
  font-size: 1rem;
}

caption {
  font-weight: 700;
  font-size: 1.15rem;
  text-align: left;
  padding: 1.25rem 1.5rem;
  background: var(--color-primary);
  color: var(--color-surface);
  border-bottom: 3px solid var(--color-accent);
}

thead {
  background: var(--color-background);
  border-bottom: 2px solid var(--color-border);
}

th {
  font-weight: 700;
  text-align: left;
  padding: 1rem 1.5rem;
  color: var(--color-primary);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

td {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

tbody tr:nth-child(odd) {
  background: rgba(31, 58, 95, 0.02);
}

tbody tr:hover {
  background: rgba(199, 162, 75, 0.08);
  transition: background var(--transition-speed) ease;
}

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

@media (max-width: 767px) {
  table {
    font-size: 0.9rem;
  }
  th, td {
    padding: 0.75rem 1rem;
  }
  caption {
    font-size: 1rem;
    padding: 1rem;
  }
}

details {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 1rem;
  box-shadow: 0 2px 8px rgba(31, 58, 95, 0.06);
  transition: box-shadow var(--transition-speed) ease;
}

details:hover {
  box-shadow: var(--shadow);
}

details[open] {
  border-color: var(--color-accent);
  box-shadow: var(--shadow);
}

summary {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--color-primary);
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: color var(--transition-speed) ease, background var(--transition-speed) ease;
  user-select: none;
}

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

summary::before {
  content: '▶';
  display: inline-block;
  font-size: 0.85em;
  color: var(--color-accent);
  transition: transform var(--transition-speed) ease;
  flex-shrink: 0;
}

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

summary:hover {
  background: rgba(199, 162, 75, 0.05);
  color: var(--color-accent);
}

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

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

details > *:not(summary) {
  padding: 0 1.5rem 1.5rem 3rem;
}

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

footer {
  background: var(--color-primary);
  color: var(--color-surface);
  margin-top: 4rem;
  border-top: 4px solid var(--color-accent);
}

footer .container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem clamp(1rem, 4vw, 3rem);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  text-align: center;
}

footer a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-speed) ease;
}

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

.cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-surface);
  padding: 2.5rem 2rem;
  border-radius: var(--radius);
  margin: 3rem 0;
  box-shadow: var(--shadow);
}

.cta h2, .cta h3 {
  color: var(--color-surface);
}

.cta a {
  color: var(--color-accent);
  font-weight: 600;
  text-decoration-thickness: 2px;
}

.cta a:hover {
  color: var(--color-surface);
}

ul:not(nav ul) {
  max-width: var(--measure);
  margin: 1.5rem 0;
  padding-left: 2rem;
}

ul:not(nav ul) li {
  margin-bottom: 0.75rem;
  padding-left: 0.5rem;
}

ol {
  max-width: var(--measure);
  margin: 1.5rem 0;
  padding-left: 2rem;
}

ol li {
  margin-bottom: 0.75rem;
  padding-left: 0.5rem;
}

@media (min-width: 768px) {
  main {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(2rem, 4vw, 4rem);
  }
  
  table {
    max-width: 100%;
  }
  
  p, blockquote, aside {
    max-width: var(--measure);
  }
}

@media (min-width: 1024px) {
  body {
    font-size: 1.25rem;
  }
  
  header .container {
    flex-wrap: nowrap;
  }
  
  nav ul {
    gap: 2.5rem;
  }
}

@media print {
  * {
    background: white !important;
    color: black !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }
  
  a {
    text-decoration: underline;
    color: black !important;
  }
  
  a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
  }
  
  header, footer, nav, aside, details summary::before {
    display: none;
  }
  
  details[open] summary {
    display: block;
    font-weight: bold;
  }
  
  details > *:not(summary) {
    padding-left: 0;
  }
  
  main {
    padding: 0;
    max-width: 100%;
  }
  
  h1, h2, h3 {
    page-break-after: avoid;
  }
  
  table, blockquote, img {
    page-break-inside: avoid;
  }
  
  p {
    orphans: 3;
    widows: 3;
  }
}

button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

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