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

:root {
  --color-primary: #57713b;
  --color-secondary: #3a4d25;
  --color-accent: #c8daa8;
  --color-bg: #fcfdf8;
  --color-surface: #f4f7ee;
  --color-text: #252e18;
  --color-text-muted: #6e7d5a;
  --color-border: #d0d8c2;
  --font-main: 'Georgia', 'Times New Roman', 'Palatino', serif;
  --max-width: 1100px;
  --radius: 2px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.02em;
}

h1 {
  font-size: 3.5rem;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
  position: relative;
  left: -0.125rem;
}

h2 {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: 1.875rem;
  color: var(--color-primary);
  margin-top: var(--spacing-md);
}

h4 {
  font-size: 1.5rem;
  color: var(--color-secondary);
  margin-top: var(--spacing-md);
}

h5 {
  font-size: 1.25rem;
  color: var(--color-text);
  margin-top: var(--spacing-sm);
}

h6 {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--spacing-sm);
}

p {
  margin-bottom: var(--spacing-sm);
  max-width: 70ch;
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.2s ease, background-color 0.2s ease;
}

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

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

strong {
  font-weight: 700;
  color: var(--color-secondary);
}

em {
  font-style: italic;
}

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

blockquote {
  margin: var(--spacing-md) 0;
  padding: var(--spacing-md);
  padding-left: var(--spacing-lg);
  background-color: var(--color-surface);
  border-left: 6px solid var(--color-primary);
  font-style: italic;
  position: relative;
  left: var(--spacing-sm);
}

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

.site-header {
  background-color: var(--color-surface);
  border-bottom: 2px solid var(--color-border);
  padding: var(--spacing-md) var(--spacing-sm);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(37, 46, 24, 0.05);
}

.site-header .container {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--spacing-md);
  align-items: center;
  position: relative;
}

.site-header h1 {
  font-size: 1.75rem;
  margin: 0;
  color: var(--color-secondary);
  letter-spacing: -0.03em;
}

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

.site-header a:hover {
  color: var(--color-primary);
}

.site-nav {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  justify-self: end;
}

.site-nav a {
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
  position: relative;
}

.site-nav a:hover {
  border-color: var(--color-primary);
  background-color: var(--color-bg);
}

.site-nav a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

.site-main {
  min-height: 70vh;
  padding: var(--spacing-lg) var(--spacing-sm);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

.breadcrumbs {
  display: flex;
  gap: var(--spacing-xs);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.breadcrumbs a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.breadcrumbs span {
  color: var(--color-border);
}

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  box-shadow: 0 1px 3px rgba(37, 46, 24, 0.08);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
  position: relative;
}

.card:hover {
  box-shadow: 0 4px 12px rgba(37, 46, 24, 0.12);
  border-color: var(--color-primary);
}

.card h2,
.card h3,
.card h4 {
  margin-top: 0;
}

.card::before {
  content: '';
  position: absolute;
  top: -4px;
  left: var(--spacing-md);
  width: 60px;
  height: 4px;
  background-color: var(--color-accent);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-md) 0;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  position: relative;
  left: calc(var(--spacing-sm) * -0.5);
}

table thead {
  background-color: var(--color-primary);
  color: var(--color-bg);
}

table th {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  font-weight: 700;
  border-bottom: 2px solid var(--color-secondary);
  letter-spacing: 0.02em;
}

table td {
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

table tbody tr {
  transition: background-color 0.2s ease;
}

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

table tbody tr:hover {
  background-color: var(--color-accent);
}

details {
  margin: var(--spacing-md) 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background-color: var(--color-surface);
  overflow: hidden;
  position: relative;
  left: var(--spacing-xs);
}

summary {
  padding: var(--spacing-sm) var(--spacing-md);
  font-weight: 700;
  cursor: pointer;
  background-color: var(--color-surface);
  border-bottom: 1px solid transparent;
  transition: background-color 0.2s ease, border-color 0.2s ease;
  list-style: none;
  position: relative;
}

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

summary::before {
  content: '▸';
  display: inline-block;
  margin-right: var(--spacing-xs);
  transition: transform 0.2s ease;
  color: var(--color-primary);
  font-size: 1.2em;
}

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

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

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

details[open] summary {
  border-bottom-color: var(--color-border);
  background-color: var(--color-accent);
}

details > *:not(summary) {
  padding: var(--spacing-md);
  animation: slideDown 0.2s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.site-footer {
  background-color: var(--color-secondary);
  color: var(--color-accent);
  padding: var(--spacing-lg) var(--spacing-sm);
  margin-top: var(--spacing-xl);
  border-top: 4px solid var(--color-primary);
}

.site-footer a {
  color: var(--color-accent);
  text-decoration-color: var(--color-accent);
}

.site-footer a:hover {
  color: var(--color-bg);
  text-decoration-color: var(--color-bg);
}

.site-footer .container {
  display: grid;
  gap: var(--spacing-md);
}

.site-footer p {
  color: var(--color-accent);
  font-size: 0.9375rem;
}

button,
input[type="submit"],
input[type="button"] {
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 600;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-primary);
  color: var(--color-bg);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

button:hover,
input[type="submit"]:hover,
input[type="button"]:hover {
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
  box-shadow: 0 2px 8px rgba(37, 46, 24, 0.15);
}

button:focus-visible,
input[type="submit"]:focus-visible,
input[type="button"]:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
input[type="search"],
textarea,
select {
  font-family: var(--font-main);
  font-size: 1rem;
  padding: var(--spacing-sm);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  background-color: var(--color-bg);
  color: var(--color-text);
  width: 100%;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(87, 113, 59, 0.1);
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-secondary);
}

ul, ol {
  margin: var(--spacing-sm) 0;
  padding-left: var(--spacing-md);
}

li {
  margin-bottom: var(--spacing-xs);
  padding-left: var(--spacing-xs);
}

hr {
  border: none;
  border-top: 2px solid var(--color-border);
  margin: var(--spacing-lg) 0;
  position: relative;
  left: calc(var(--spacing-md) * -1);
  width: calc(100% + var(--spacing-lg));
}

@media (min-width: 768px) {
  h1 {
    font-size: 4.5rem;
    left: calc(var(--spacing-sm) * -1);
  }

  h2 {
    font-size: 3rem;
  }

  h3 {
    font-size: 2.25rem;
  }

  .site-header .container {
    grid-template-columns: auto 1fr;
    gap: var(--spacing-lg);
  }

  .site-nav {
    gap: var(--spacing-lg);
  }

  .site-nav a {
    font-size: 1.0625rem;
  }

  .site-main {
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .container {
    padding: 0 var(--spacing-md);
  }

  .site-footer .container {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }

  blockquote {
    margin-left: var(--spacing-md);
    margin-right: calc(var(--spacing-md) * -1);
    padding-left: var(--spacing-xl);
  }

  table {
    left: calc(var(--spacing-md) * -1);
  }

  details {
    left: var(--spacing-sm);
  }
}

@media (min-width: 1024px) {
  h1 {
    font-size: 5.5rem;
    left: calc(var(--spacing-md) * -1);
  }

  .site-header .container {
    gap: var(--spacing-xl);
  }

  .site-nav {
    gap: var(--spacing-xl);
  }

  .site-main {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
  }

  .site-main > * {
    grid-column: 1 / -1;
  }

  .card {
    position: relative;
    top: calc(var(--spacing-sm) * -1);
  }

  .site-footer .container {
    grid-template-columns: repeat(3, 1fr);
  }

  blockquote {
    margin-left: var(--spacing-lg);
    margin-right: calc(var(--spacing-lg) * -1);
  }

  table {
    left: calc(var(--spacing-lg) * -1);
  }
}

@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 {
  .site-header,
  .site-nav,
  .site-footer,
  .breadcrumbs {
    display: none;
  }

  .site-main {
    display: block;
    padding: 0;
  }

  .container {
    max-width: 100%;
    padding: 0;
  }

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

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

  .card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid var(--color-text);
  }

  table {
    break-inside: avoid;
  }

  h1, h2, h3, h4, h5, h6 {
    break-after: avoid;
  }
}