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

*::before,
*::after {
  box-sizing: border-box;
}

: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: 'Georgia', 'Times New Roman', 'Palatino', serif;
  --max-width: 1100px;
  --radius: 0;
  --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);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  font-size: 1.0625rem;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--color-secondary);
  letter-spacing: -0.02em;
}

h1 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

h2 {
  font-size: 2.25rem;
  position: relative;
  padding-bottom: 0.75rem;
}

h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 80px;
  height: 4px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  clip-path: polygon(0 0, 90% 0, 100% 100%, 0% 100%);
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1.125rem;
}

p {
  margin-bottom: 1.25rem;
}

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

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

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

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

em {
  font-style: italic;
}

blockquote {
  margin: 2rem 0;
  padding: 1.5rem 1.5rem 1.5rem 2rem;
  background: var(--color-surface);
  border-left: 6px solid var(--color-primary);
  font-style: italic;
  position: relative;
  clip-path: polygon(0 0, 100% 0, 98% 100%, 0% 100%);
}

blockquote::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 40px 40px 0;
  border-color: transparent var(--color-accent) transparent transparent;
}

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

.site-header {
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-accent) 100%);
  border-bottom: 4px solid var(--color-primary);
  position: relative;
  padding: 2rem 0;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), 0 100%);
  padding-bottom: calc(2rem + 30px);
}

.site-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-primary);
}

.site-nav {
  background-color: var(--color-secondary);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(58, 47, 24, 0.15);
}

.site-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  justify-content: center;
  align-items: center;
}

.site-nav li {
  position: relative;
}

.site-nav a {
  display: block;
  padding: 1rem 1.5rem;
  color: var(--color-accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.9rem;
  transition: background-color 0.2s ease, color 0.2s ease;
  clip-path: polygon(5% 0%, 100% 0%, 95% 100%, 0% 100%);
  margin: 0 2px;
}

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

.site-nav a:focus-visible {
  outline-color: var(--color-accent);
}

.site-main {
  min-height: 60vh;
  padding: 3rem 0;
}

.site-footer {
  background: linear-gradient(45deg, var(--color-secondary) 0%, var(--color-primary) 100%);
  color: var(--color-accent);
  padding: 3rem 0 2rem;
  margin-top: 4rem;
  position: relative;
  clip-path: polygon(0 30px, 100% 0, 100% 100%, 0 100%);
  padding-top: calc(3rem + 30px);
}

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

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 2rem;
  padding: 0.75rem 1rem;
  background-color: var(--color-surface);
  font-size: 0.9rem;
  clip-path: polygon(0 0, 99% 0, 100% 100%, 0 100%);
}

.breadcrumbs a {
  color: var(--color-text-muted);
  transition: color 0.2s ease;
}

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

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

.card {
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  padding: 2rem;
  margin-bottom: 2rem;
  position: relative;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 15px), calc(100% - 15px) 100%, 0 100%);
}

.card::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 0 20px 20px;
  border-color: transparent transparent var(--color-primary) transparent;
}

.card:hover {
  box-shadow: 0 8px 24px rgba(58, 47, 24, 0.12);
  border-color: var(--color-primary);
}

.card h3 {
  margin-top: 0;
}

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

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

table th {
  padding: 1rem;
  text-align: left;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.9rem;
  border-bottom: 3px solid var(--color-primary);
  position: relative;
}

table th::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

table th:hover::after {
  transform: scaleX(1);
}

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

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

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

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

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

details {
  margin: 1.5rem 0;
  border: 2px solid var(--color-border);
  background-color: var(--color-surface);
  position: relative;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}

details::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 15px 15px 0;
  border-color: transparent var(--color-primary) transparent transparent;
}

summary {
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  font-weight: 700;
  color: var(--color-secondary);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.2s ease, color 0.2s ease;
  user-select: none;
}

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

summary::after {
  content: '▼';
  font-size: 0.8rem;
  transition: transform 0.2s ease;
  color: var(--color-primary);
}

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

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

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

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

details > *:not(summary) {
  padding: 0 1.5rem 1.5rem;
  animation: slideDown 0.2s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.flex {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.diagonal-section {
  position: relative;
  padding: 4rem 0;
  margin: 3rem 0;
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-accent) 100%);
  clip-path: polygon(0 5%, 100% 0, 100% 95%, 0 100%);
}

.angular-divider {
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, transparent 0%, var(--color-primary) 50%, transparent 100%);
  margin: 3rem 0;
  clip-path: polygon(10% 0, 90% 0, 85% 100%, 15% 100%);
}

.geometric-box {
  padding: 2rem;
  background-color: var(--color-surface);
  border: 3px solid var(--color-primary);
  position: relative;
  clip-path: polygon(15px 0, 100% 0, 100% calc(100% - 15px), calc(100% - 15px) 100%, 0 100%, 0 15px);
}

.geometric-box::before {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  width: 20px;
  height: 20px;
  background-color: var(--color-primary);
  clip-path: polygon(0 0, 100% 0, 0 100%);
}

.geometric-box::after {
  content: '';
  position: absolute;
  bottom: -3px;
  right: -3px;
  width: 20px;
  height: 20px;
  background-color: var(--color-primary);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
}

button,
.button {
  display: inline-block;
  padding: 0.875rem 2rem;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-bg);
  border: none;
  cursor: pointer;
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: box-shadow 0.2s ease, background-color 0.2s ease;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  position: relative;
}

button:hover,
.button:hover {
  box-shadow: 0 6px 20px rgba(168, 136, 74, 0.4);
  background: var(--color-secondary);
}

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

@media (min-width: 768px) {
  h1 {
    font-size: 3.5rem;
  }

  h2 {
    font-size: 2.75rem;
  }

  .grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .site-nav ul {
    justify-content: flex-start;
  }

  .container {
    padding: 0 2rem;
  }

  table {
    font-size: 1rem;
  }

  .diagonal-section {
    padding: 5rem 0;
    clip-path: polygon(0 8%, 100% 0, 100% 92%, 0 100%);
  }
}

@media (min-width: 1024px) {
  h1 {
    font-size: 4rem;
  }

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

  .grid.two-col {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid.four-col {
    grid-template-columns: repeat(4, 1fr);
  }

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

  .card {
    padding: 2.5rem;
  }

  .site-header {
    padding: 3rem 0;
    padding-bottom: calc(3rem + 30px);
  }
}

@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;
  }

  summary::after {
    transition: none;
  }

  details[open] summary::after {
    transform: none;
  }

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

@media print {
  .site-nav,
  .breadcrumbs,
  button,
  .button {
    display: none !important;
  }

  .site-header,
  .site-footer {
    clip-path: none;
  }

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

  .site-main {
    padding: 1rem 0;
  }

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

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

  table {
    break-inside: avoid;
    page-break-inside: avoid;
  }

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

  .diagonal-section,
  .geometric-box {
    clip-path: none;
  }
}