:root {
  --c-bg: #FBF6EE;
  --c-surface: #FFFFFF;
  --c-text: #1B1A17;
  --c-muted: #5D5A54;
  --c-border: #D8CFC2;
  --c-primary: #7A3E2E;
  --c-secondary: #2E5E6A;
  --c-accent: #C07A2A;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(27, 26, 23, 0.10);
  --measure: 68ch;
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: Georgia, "Times New Roman", serif;
}

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

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

body {
  font-family: var(--font-base);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--c-text);
  background-color: var(--c-bg);
  padding: 0;
  margin: 0;
}

header {
  background-color: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  padding: 1.5rem 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-name {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 700;
  color: var(--c-primary);
}

.site-name a {
  color: inherit;
  text-decoration: none;
}

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

header nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

header nav a {
  color: var(--c-text);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

header nav a:hover {
  color: var(--c-primary);
}

header nav a:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 4px;
  box-shadow: 0 0 0 4px rgba(192, 122, 42, 0.2);
  border-radius: 4px;
}

.breadcrumb {
  background-color: var(--c-surface);
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--c-border);
  font-size: 0.875rem;
}

.breadcrumb ul {
  list-style: none;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

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

.breadcrumb a {
  color: var(--c-secondary);
  text-decoration: none;
}

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

main {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 1rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  main {
    margin: 3rem auto;
    padding: 0 2rem;
  }
}

@media (min-width: 1024px) {
  main {
    grid-template-columns: 1fr 300px;
    gap: 3rem;
  }
}

article {
  background-color: var(--c-surface);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

@media (min-width: 768px) {
  article {
    padding: 3rem;
  }
}

h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.2;
  color: var(--c-primary);
  margin-bottom: 1.5rem;
  font-family: var(--font-serif);
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.3;
  color: var(--c-primary);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  font-family: var(--font-serif);
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  line-height: 1.4;
  color: var(--c-secondary);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

p {
  max-width: var(--measure);
  margin-bottom: 1rem;
}

a {
  color: var(--c-secondary);
  text-decoration: underline;
  transition: color 0.2s ease;
}

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

a:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(192, 122, 42, 0.2);
  border-radius: 2px;
}

ul, ol {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
  max-width: var(--measure);
}

li {
  margin-bottom: 0.5rem;
}

blockquote {
  border-left: 4px solid var(--c-primary);
  background-color: var(--c-bg);
  padding: 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  color: var(--c-text);
  max-width: var(--measure);
  border-radius: 0 var(--radius) var(--radius) 0;
}

blockquote p {
  margin-bottom: 0;
}

aside {
  background-color: var(--c-bg);
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--c-border);
  margin: 2rem 0;
}

aside h3 {
  margin-top: 0;
  font-size: 1.125rem;
}

aside ul {
  margin-left: 1.25rem;
  margin-bottom: 0;
}

.table-wrapper {
  overflow-x: auto;
  margin: 2rem 0;
  border-radius: var(--radius);
  border: 1px solid var(--c-border);
}

table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--c-surface);
  font-size: 0.9375rem;
}

caption {
  font-weight: 700;
  text-align: left;
  padding: 1rem;
  background-color: var(--c-bg);
  color: var(--c-primary);
  font-size: 1.125rem;
}

thead {
  background-color: var(--c-primary);
  color: var(--c-surface);
}

@media (min-width: 1024px) {
  thead {
    position: sticky;
    top: 0;
    z-index: 10;
  }
}

th {
  text-align: left;
  padding: 0.875rem 1rem;
  font-weight: 600;
}

td {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--c-border);
}

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

tbody tr:hover {
  background-color: rgba(192, 122, 42, 0.08);
  transition: background-color 0.2s ease;
}

details {
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1rem;
  background-color: var(--c-surface);
  transition: border-color 0.2s ease;
}

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

summary {
  font-weight: 600;
  cursor: pointer;
  color: var(--c-primary);
  padding: 0.5rem 0;
  list-style: none;
  display: flex;
  align-items: center;
  transition: color 0.2s ease;
}

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

summary::before {
  content: "▸";
  margin-right: 0.75rem;
  transition: transform 0.2s ease;
  display: inline-block;
  color: var(--c-accent);
}

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

summary:hover {
  color: var(--c-accent);
}

summary:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 4px;
  box-shadow: 0 0 0 4px rgba(192, 122, 42, 0.2);
  border-radius: 4px;
}

details p {
  margin-top: 1rem;
  padding-left: 1.5rem;
}

section {
  margin-bottom: 3rem;
}

section:last-child {
  margin-bottom: 0;
}

nav[aria-label="Next steps"] ul {
  list-style: none;
  margin-left: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

nav[aria-label="Next steps"] a {
  display: inline-block;
  padding: 0.75rem 1.25rem;
  background-color: var(--c-primary);
  color: var(--c-surface);
  text-decoration: none;
  border-radius: var(--radius);
  font-weight: 600;
  transition: background-color 0.2s ease, transform 0.1s ease;
}

nav[aria-label="Next steps"] a:hover {
  background-color: var(--c-accent);
  transform: translateY(-2px);
}

nav[aria-label="Next steps"] a:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 4px;
  box-shadow: 0 0 0 4px rgba(192, 122, 42, 0.2);
}

footer {
  background-color: var(--c-surface);
  border-top: 1px solid var(--c-border);
  padding: 2rem 1rem;
  text-align: center;
  color: var(--c-muted);
  font-size: 0.875rem;
  margin-top: 4rem;
}

@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 (min-width: 768px) {
  header {
    padding: 2rem;
  }

  .breadcrumb {
    padding: 1rem 2rem;
  }

  footer {
    padding: 2.5rem 2rem;
  }
}