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

:root {
  --color-primary: #a8884a;
  --color-secondary: #6e5a2e;
  --color-accent: #f0e0b8;
  --color-bg: #fefdf8;
  --color-surface: #faf6ec;
  --color-text: #3a2f18;
  --color-text-muted: #8a7d62;
  --color-border: #ddd4be;
  --font-main: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --max-width: 1100px;
  --radius: 12px;
}

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--color-secondary);
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

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

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

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1.1rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease;
  position: relative;
}

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

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

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

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

blockquote {
  margin: 1.5rem 0;
  padding: 1.25rem 1.5rem;
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-accent) 100%);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--color-text);
  box-shadow: 2px 2px 8px rgba(106, 90, 46, 0.1);
  position: relative;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

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

.site-header {
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-accent) 100%);
  padding: 1.5rem 1rem;
  box-shadow: 0 4px 12px rgba(106, 90, 46, 0.12);
  position: relative;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), 0 100%);
  margin-bottom: 20px;
}

.site-header::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 0;
  right: 0;
  height: 20px;
  background: var(--color-bg);
  clip-path: polygon(0 0, 100% 20px, 100% 100%, 0 100%);
}

.site-nav {
  background-color: var(--color-surface);
  padding: 0;
  box-shadow: 0 2px 8px rgba(106, 90, 46, 0.08);
  position: relative;
}

.site-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
}

.site-nav li {
  position: relative;
}

.site-nav a {
  display: block;
  padding: 0.75rem 1.25rem;
  color: var(--color-text);
  font-weight: 500;
  border-radius: var(--radius);
  transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  background-color: transparent;
}

.site-nav a:hover {
  background-color: var(--color-primary);
  color: var(--color-bg);
  box-shadow: 0 3px 8px rgba(168, 136, 74, 0.25);
}

.site-main {
  flex: 1;
  padding: 2rem 1rem;
}

.site-footer {
  background: linear-gradient(45deg, var(--color-secondary) 0%, var(--color-primary) 100%);
  color: var(--color-bg);
  padding: 2rem 1rem;
  margin-top: 3rem;
  position: relative;
  clip-path: polygon(0 20px, 100% 0, 100% 100%, 0 100%);
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -20px;
  left: 0;
  right: 0;
  height: 20px;
  background: var(--color-bg);
  clip-path: polygon(0 0, 100% 20px, 100% 100%, 0 100%);
}

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

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  padding: 0.75rem 1rem;
  background-color: var(--color-surface);
  border-radius: var(--radius);
  font-size: 0.9rem;
  box-shadow: 0 2px 6px rgba(106, 90, 46, 0.08);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}

.breadcrumbs a {
  color: var(--color-primary);
  position: relative;
}

.breadcrumbs a::after {
  content: '→';
  margin-left: 0.5rem;
  color: var(--color-text-muted);
}

.breadcrumbs a:last-child::after {
  content: '';
}

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 3px 10px rgba(106, 90, 46, 0.1);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
  position: relative;
  clip-path: polygon(0 0, calc(100% - 15px) 0, 100% 15px, 100% 100%, 15px 100%, 0 calc(100% - 15px));
}

.card:hover {
  box-shadow: 0 6px 20px rgba(106, 90, 46, 0.18);
  border-color: var(--color-primary);
}

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

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  background-color: var(--color-surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 3px 10px rgba(106, 90, 46, 0.1);
}

table thead {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-bg);
}

table th {
  padding: 1rem;
  text-align: left;
  font-weight: 600;
  border-bottom: 2px solid var(--color-secondary);
}

table td {
  padding: 1rem;
  border-bottom: 1px solid var(--color-border);
  transition: background-color 0.2s ease;
}

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

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

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

table tbody tr:hover td {
  color: var(--color-bg);
}

details {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 1rem;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(106, 90, 46, 0.08);
  transition: box-shadow 0.2s ease;
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
}

details:hover {
  box-shadow: 0 4px 12px rgba(106, 90, 46, 0.15);
}

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

summary {
  padding: 1rem 1.5rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--color-secondary);
  background: linear-gradient(to right, var(--color-surface) 0%, var(--color-accent) 100%);
  transition: background-color 0.2s ease, color 0.2s ease;
  position: relative;
  user-select: none;
}

summary:hover {
  background: linear-gradient(to right, var(--color-accent) 0%, var(--color-primary) 100%);
  color: var(--color-bg);
}

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

summary::marker {
  color: var(--color-primary);
}

details[open] summary {
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(to right, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-bg);
}

details p {
  padding: 1.5rem;
}

@media (min-width: 768px) {
  body {
    font-size: 18px;
  }

  h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 2.25rem;
  }

  h3 {
    font-size: 1.75rem;
  }

  .site-header {
    padding: 2rem 1.5rem;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), 0 100%);
    margin-bottom: 30px;
  }

  .site-header::after {
    bottom: -30px;
    height: 30px;
    clip-path: polygon(0 0, 100% 30px, 100% 100%, 0 100%);
  }

  .site-nav ul {
    gap: 1rem;
    padding: 1rem 1.5rem;
  }

  .site-nav a {
    padding: 0.875rem 1.5rem;
  }

  .site-main {
    padding: 3rem 1.5rem;
  }

  .site-footer {
    padding: 3rem 1.5rem;
    clip-path: polygon(0 30px, 100% 0, 100% 100%, 0 100%);
  }

  .site-footer::before {
    top: -30px;
    height: 30px;
    clip-path: polygon(0 0, 100% 30px, 100% 100%, 0 100%);
  }

  .card {
    padding: 2rem;
  }

  table th, table td {
    padding: 1.25rem;
  }

  .breadcrumbs {
    padding: 1rem 1.5rem;
  }
}

@media (min-width: 1024px) {
  .site-nav ul {
    justify-content: center;
    gap: 1.5rem;
  }

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

  .card {
    padding: 2.5rem;
  }

  blockquote {
    padding: 1.5rem 2rem;
    margin: 2rem 0;
  }
}

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

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

  .site-header {
    box-shadow: none;
    clip-path: none;
  }

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

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

  table {
    box-shadow: none;
    page-break-inside: avoid;
  }

  a {
    text-decoration: underline;
  }

  a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: var(--color-text-muted);
  }

  details {
    border: 1px solid var(--color-border);
    box-shadow: none;
  }

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

input, textarea, select, button {
  font-family: var(--font-main);
  font-size: 1rem;
}

button {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-bg);
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  cursor: pointer;
  transition: box-shadow 0.2s ease, background-color 0.2s ease;
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
  box-shadow: 0 3px 8px rgba(106, 90, 46, 0.2);
}

button:hover {
  box-shadow: 0 6px 16px rgba(106, 90, 46, 0.3);
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
}

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

input, textarea, select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  background-color: var(--color-bg);
  color: var(--color-text);
  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(168, 136, 74, 0.1);
}

hr {
  border: none;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--color-border), transparent);
  margin: 2rem 0;
  position: relative;
}

hr::after {
  content: '';
  position: absolute;
  top: -4px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 10px;
  height: 10px;
  background-color: var(--color-primary);
}