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

* {
  margin: 0;
  padding: 0;
}

:root {
  --color-primary: #a21caf;
  --color-secondary: #701a75;
  --color-accent: #f0abfc;
  --color-bg: #fefcff;
  --color-surface: #fdf4ff;
  --color-text: #4a044e;
  --color-text-muted: #8b5f90;
  --color-border: #e0c8e4;
  --font-main: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --max-width: 1100px;
  --radius: 50px;
  --radius-sm: 25px;
  --radius-lg: 100px;
}

body {
  font-family: var(--font-main);
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-secondary);
  margin-bottom: 0.75em;
}

h1 {
  font-size: 2.5rem;
  letter-spacing: -0.02em;
  font-weight: 800;
}

h2 {
  font-size: 2rem;
  letter-spacing: -0.015em;
  font-weight: 700;
}

h3 {
  font-size: 1.5rem;
  font-weight: 700;
}

h4 {
  font-size: 1.25rem;
  font-weight: 600;
}

h5 {
  font-size: 1.125rem;
  font-weight: 600;
}

h6 {
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

p {
  margin-bottom: 1.25em;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease, background-color 0.2s ease;
  border-bottom: 2px solid transparent;
}

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

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

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

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

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-sm) var(--radius-sm) 0;
  font-size: 1.25rem;
  font-style: italic;
  color: var(--color-text-muted);
  box-shadow: 0 2px 8px rgba(162, 28, 175, 0.08);
}

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

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.site-header {
  background-color: var(--color-surface);
  border-bottom: 2px solid var(--color-border);
  padding: 1.5rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(74, 4, 78, 0.05);
}

.site-header .container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

.site-header h1 {
  margin: 0;
  font-size: 1.75rem;
  color: var(--color-primary);
  text-align: center;
}

.site-nav {
  width: 100%;
}

.site-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  align-items: center;
}

.site-nav li {
  display: block;
}

.site-nav a {
  display: block;
  padding: 0.625rem 1.5rem;
  background-color: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.9375rem;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
  border-bottom: 2px solid var(--color-border);
}

.site-nav a:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  box-shadow: 0 4px 12px rgba(162, 28, 175, 0.25);
  border-bottom: 2px solid var(--color-primary);
}

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

.breadcrumbs {
  padding: 1rem 0;
  font-size: 0.9375rem;
}

.breadcrumbs ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.breadcrumbs li:not(:last-child)::after {
  content: "→";
  color: var(--color-text-muted);
  font-weight: 600;
}

.breadcrumbs a {
  color: var(--color-text-muted);
  border-bottom: 1px solid transparent;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
}

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

.site-main {
  flex: 1;
  padding: 2.5rem 0;
}

.site-footer {
  background-color: var(--color-secondary);
  color: var(--color-surface);
  padding: 3rem 0 1.5rem;
  margin-top: 4rem;
  border-top: 6px solid var(--color-primary);
}

.site-footer .container {
  display: grid;
  gap: 2rem;
}

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

.site-footer a:hover {
  color: white;
  border-bottom-color: white;
}

.site-footer p {
  color: var(--color-surface);
  opacity: 0.9;
}

.card {
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 8px rgba(74, 4, 78, 0.06);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  box-shadow: 0 8px 24px rgba(162, 28, 175, 0.15);
  border-color: var(--color-primary);
}

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

.card p:last-child {
  margin-bottom: 0;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 2rem 0;
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  font-size: 1rem;
}

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

th {
  padding: 1rem;
  text-align: left;
  font-weight: 700;
  letter-spacing: 0.025em;
  text-transform: uppercase;
  font-size: 0.875rem;
}

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

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

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

tbody tr:hover {
  background-color: rgba(162, 28, 175, 0.08);
}

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

details[open] {
  box-shadow: 0 4px 16px rgba(162, 28, 175, 0.12);
}

summary {
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  font-weight: 700;
  color: var(--color-secondary);
  background-color: var(--color-surface);
  transition: background-color 0.2s ease, color 0.2s ease;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

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

summary::before {
  content: "▶";
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  background-color: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

details[open] summary::before {
  transform: rotate(90deg);
  background-color: var(--color-secondary);
}

summary:hover {
  background-color: rgba(162, 28, 175, 0.05);
  color: var(--color-primary);
}

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

details > *:not(summary) {
  padding: 1.5rem;
  border-top: 2px solid var(--color-border);
  animation: slideDown 0.2s ease;
}

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

@media (min-width: 768px) {
  body {
    font-size: 1.125rem;
  }

  h1 {
    font-size: 3.5rem;
  }

  h2 {
    font-size: 2.5rem;
  }

  h3 {
    font-size: 1.875rem;
  }

  h4 {
    font-size: 1.5rem;
  }

  .site-header .container {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .site-header h1 {
    font-size: 2rem;
  }

  .site-nav {
    width: auto;
  }

  .site-nav ul {
    gap: 0.75rem;
  }

  .site-main {
    padding: 3.5rem 0;
  }

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

  .card {
    padding: 2.5rem;
  }

  table {
    font-size: 1.0625rem;
  }
}

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

  h2 {
    font-size: 3rem;
  }

  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }

  .site-header {
    padding: 2rem 0;
  }

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

  .site-nav a {
    padding: 0.75rem 2rem;
  }

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

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

  .card {
    padding: 3rem;
  }

  blockquote {
    padding: 2rem 3rem;
    margin: 3rem 0;
  }
}

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

  summary::before {
    transition: none;
  }

  details > *:not(summary) {
    animation: none;
  }
}

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

  .site-nav {
    display: none;
  }

  .breadcrumbs {
    display: none;
  }

  .site-footer {
    margin-top: 2rem;
    border-top: 2px solid var(--color-border);
  }

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

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

  a {
    text-decoration: underline;
    border-bottom: none;
  }

  details[open] summary ~ * {
    display: block;
  }

  details summary::before {
    display: none;
  }

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