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

:root {
  --color-primary: #4d7c0f;
  --color-secondary: #365314;
  --color-accent: #d9f99d;
  --color-bg: #fefffe;
  --color-surface: #f7fce8;
  --color-text: #1a2e05;
  --color-text-muted: #6b7f52;
  --color-border: #d1ddc0;
  --font-main: 'Georgia', 'Times New Roman', 'Palatino', serif;
  --max-width: 1100px;
  --radius: 50px;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  font-size: 18px;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--color-secondary);
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2rem;
  margin-top: 2rem;
}

h3 {
  font-size: 1.6rem;
  margin-top: 1.5rem;
}

h4 {
  font-size: 1.3rem;
}

h5 {
  font-size: 1.1rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: 1.2rem;
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  transition: color 0.2s ease, background-color 0.2s ease;
}

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

a:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

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

em {
  font-style: italic;
  color: var(--color-text);
}

blockquote {
  margin: 2rem 0;
  padding: 1.5rem 2rem;
  background-color: var(--color-surface);
  border-left: 6px solid var(--color-primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--color-text-muted);
}

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

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.site-header {
  background-color: var(--color-surface);
  border-bottom: 3px solid var(--color-border);
  padding: 1.5rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(77, 124, 15, 0.1);
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-header h1 {
  margin: 0;
  font-size: 1.8rem;
  color: var(--color-primary);
}

.site-nav {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.site-nav a {
  padding: 0.6rem 1.5rem;
  background-color: var(--color-bg);
  color: var(--color-primary);
  text-decoration: none;
  border-radius: var(--radius);
  border: 2px solid var(--color-border);
  font-weight: 600;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.site-nav a:hover {
  background-color: var(--color-primary);
  color: var(--color-bg);
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(77, 124, 15, 0.25);
}

.site-nav a:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 2px;
}

.site-main {
  min-height: 70vh;
  padding: 3rem 0;
}

.breadcrumbs {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
  padding: 0.8rem 1.5rem;
  background-color: var(--color-surface);
  border-radius: var(--radius);
  font-size: 0.95rem;
}

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

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

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

.card {
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: 30px;
  padding: 2rem;
  margin-bottom: 2rem;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  box-shadow: 0 8px 24px rgba(77, 124, 15, 0.15);
  border-color: var(--color-primary);
}

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

table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background-color: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: 20px;
  overflow: hidden;
}

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

table th {
  padding: 1rem 1.5rem;
  text-align: left;
  font-weight: 700;
  letter-spacing: 0.02em;
}

table td {
  padding: 1rem 1.5rem;
  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-surface);
}

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

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

details {
  margin: 1.5rem 0;
  border: 2px solid var(--color-border);
  border-radius: 25px;
  overflow: hidden;
  background-color: var(--color-surface);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

details[open] {
  border-color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(77, 124, 15, 0.12);
}

summary {
  padding: 1.2rem 1.8rem;
  cursor: pointer;
  font-weight: 700;
  color: var(--color-primary);
  background-color: var(--color-surface);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background-color 0.2s ease, color 0.2s ease;
}

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

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

summary::after {
  content: '▼';
  font-size: 0.9rem;
  transition: transform 0.2s ease;
  display: inline-block;
  width: 24px;
  height: 24px;
  background-color: var(--color-primary);
  color: var(--color-bg);
  border-radius: 50%;
  text-align: center;
  line-height: 24px;
}

details[open] summary::after {
  transform: rotate(180deg);
}

details[open] summary {
  border-bottom: 2px solid var(--color-border);
}

details div {
  padding: 1.5rem 1.8rem;
}

.site-footer {
  background-color: var(--color-secondary);
  color: var(--color-accent);
  padding: 3rem 0 2rem;
  margin-top: 4rem;
  border-top: 4px solid var(--color-primary);
}

.site-footer a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
}

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

.site-footer .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.site-footer p {
  margin-bottom: 0.5rem;
}

@media (min-width: 768px) {
  body {
    font-size: 19px;
  }

  h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 2.3rem;
  }

  h3 {
    font-size: 1.8rem;
  }

  .site-header h1 {
    font-size: 2.2rem;
  }

  .site-header .container {
    flex-wrap: nowrap;
  }

  .site-nav {
    gap: 1rem;
  }

  .site-nav a {
    padding: 0.7rem 1.8rem;
  }

  .container {
    padding: 0 2rem;
  }

  .site-main {
    padding: 4rem 0;
  }

  .card {
    padding: 2.5rem;
    border-radius: 40px;
  }

  .site-footer .container {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }

  table {
    border-radius: 25px;
  }

  details {
    border-radius: 30px;
  }
}

@media (min-width: 1024px) {
  body {
    font-size: 20px;
  }

  h1 {
    font-size: 3.5rem;
  }

  h2 {
    font-size: 2.6rem;
  }

  h3 {
    font-size: 2rem;
  }

  .site-main {
    padding: 5rem 0;
  }

  .card {
    padding: 3rem;
  }

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

  blockquote {
    padding: 2rem 3rem;
  }

  table th, table td {
    padding: 1.2rem 2rem;
  }

  summary {
    padding: 1.5rem 2.5rem;
  }

  details div {
    padding: 2rem 2.5rem;
  }
}

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

  summary::after {
    transition: none;
  }
}

@media print {
  .site-header {
    position: static;
    box-shadow: none;
  }

  .site-nav {
    display: none;
  }

  .breadcrumbs {
    display: none;
  }

  .site-footer {
    margin-top: 2rem;
    padding: 1rem 0;
  }

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

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

  table {
    page-break-inside: avoid;
  }

  a {
    text-decoration: underline;
  }

  details {
    border: 1px solid var(--color-border);
  }

  summary::after {
    display: none;
  }
}