:root {
  --color-bg: #F5F2EA;
  --color-surface: #FFFFFF;
  --color-text: #1A1D1F;
  --color-muted: #4E5A60;
  --color-border: #D7D0C4;
  --color-primary: #1F4E5A;
  --color-secondary: #6B4E3D;
  --color-accent: #C77D3A;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(26,29,31,0.10);
  --maxw: 1100px;
}

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

body {
  font-family: Georgia, 'Times New Roman', serif;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  min-height: 100vh;
}

header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow);
}

nav {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand a {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

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

.nav-links a {
  color: var(--color-text);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

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

.breadcrumbs {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1rem;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
  color: var(--color-muted);
}

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

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

main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 2rem 1rem;
  background-color: var(--color-surface);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  margin-top: 2rem;
  margin-bottom: 2rem;
}

h1 {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: 2rem;
  line-height: 1.2;
}

h2 {
  font-size: 1.8rem;
  color: var(--color-secondary);
  margin-top: 3rem;
  margin-bottom: 1.5rem;
  line-height: 1.3;
}

h3 {
  font-size: 1.4rem;
  color: var(--color-secondary);
  margin-top: 2rem;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

a {
  color: var(--color-primary);
  transition: color 0.3s ease;
}

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

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

ul, ol {
  margin-left: 2rem;
  margin-bottom: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

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

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

table caption {
  font-weight: bold;
  margin-bottom: 1rem;
  color: var(--color-secondary);
  font-size: 1.1rem;
}

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: bold;
  position: sticky;
  top: 0;
}

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

tbody tr:hover {
  background-color: rgba(199, 125, 58, 0.1);
}

details {
  margin-bottom: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

summary {
  padding: 1.5rem;
  background-color: var(--color-bg);
  cursor: pointer;
  font-weight: bold;
  color: var(--color-secondary);
  transition: background-color 0.3s ease;
  list-style: none;
}

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

summary::before {
  content: '+';
  float: right;
  font-size: 1.2rem;
  color: var(--color-accent);
  transition: transform 0.3s ease;
}

details[open] summary::before {
  transform: rotate(45deg);
}

summary:hover {
  background-color: rgba(199, 125, 58, 0.1);
}

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

.faq-content {
  padding: 1.5rem;
  background-color: var(--color-surface);
}

.faq-navigation {
  margin-top: 3rem;
  padding: 2rem;
  background-color: var(--color-bg);
  border-radius: var(--radius);
  text-align: center;
}

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

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}

@media (max-width: 768px) {
  nav {
    flex-direction: column;
    gap: 1rem;
  }
  
  .nav-links {
    gap: 1rem;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  main {
    margin-top: 1rem;
    margin-bottom: 1rem;
    padding: 1rem;
  }
  
  table {
    font-size: 0.9rem;
  }
  
  th, td {
    padding: 0.75rem;
  }
}

@media (min-width: 1024px) {
  body {
    font-size: 1.1rem;
  }
  
  h1 {
    font-size: 3rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  main {
    padding: 3rem 2rem;
  }
  
  .nav-links {
    gap: 3rem;
  }
}