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

:root {
  --color-primary: #db2777;
  --color-secondary: #9d174d;
  --color-accent: #fbcfe8;
  --color-bg: #fffbfd;
  --color-surface: #fef1f7;
  --color-text: #500724;
  --color-text-muted: #9b6b80;
  --color-border: #e8c8d8;
  --font-main: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --max-width: 1100px;
  --radius: 0;
  --shadow-small: 4px 4px 0 var(--color-border);
  --shadow-medium: 6px 6px 0 var(--color-secondary);
  --shadow-large: 8px 8px 0 var(--color-text);
  --border-thick: 4px solid var(--color-text);
  --border-medium: 3px solid var(--color-border);
  --border-accent: 3px solid var(--color-primary);
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

h1 {
  font-size: 2.5rem;
  border: var(--border-thick);
  padding: 1.5rem;
  background: var(--color-primary);
  color: var(--color-bg);
  box-shadow: var(--shadow-large);
  margin-bottom: 2rem;
}

h2 {
  font-size: 2rem;
  border-left: 8px solid var(--color-primary);
  padding-left: 1rem;
  margin-top: 2rem;
}

h3 {
  font-size: 1.5rem;
  border-bottom: var(--border-accent);
  padding-bottom: 0.5rem;
  margin-top: 1.5rem;
}

h4 {
  font-size: 1.25rem;
  color: var(--color-secondary);
}

h5 {
  font-size: 1.1rem;
  color: var(--color-secondary);
}

h6 {
  font-size: 1rem;
  color: var(--color-text-muted);
}

p {
  margin-bottom: 1rem;
  max-width: 70ch;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 700;
  border-bottom: 3px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
  padding: 0 2px;
}

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

a:focus-visible {
  outline: 4px solid var(--color-secondary);
  outline-offset: 2px;
  background-color: var(--color-accent);
}

strong {
  font-weight: 900;
  color: var(--color-secondary);
}

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

blockquote {
  border-left: 8px solid var(--color-primary);
  background: var(--color-surface);
  padding: 1.5rem;
  margin: 2rem 0;
  font-size: 1.125rem;
  font-weight: 600;
  border-top: var(--border-medium);
  border-bottom: var(--border-medium);
  box-shadow: var(--shadow-small);
  position: relative;
}

blockquote::before {
  content: '';
  position: absolute;
  right: -4px;
  top: -4px;
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  border: var(--border-thick);
}

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

.site-header {
  background: var(--color-secondary);
  border-bottom: var(--border-thick);
  padding: 1.5rem 0;
  box-shadow: 0 8px 0 var(--color-text);
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.site-header h1 {
  font-size: 2rem;
  margin: 0;
  padding: 1rem 1.5rem;
  background: var(--color-bg);
  border: var(--border-thick);
  box-shadow: var(--shadow-medium);
  transform: rotate(-1deg);
}

.site-nav {
  width: 100%;
  background: var(--color-primary);
  border: var(--border-thick);
  box-shadow: var(--shadow-small);
}

.site-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
}

.site-nav li {
  flex: 1 1 auto;
  border-right: var(--border-medium);
}

.site-nav li:last-child {
  border-right: none;
}

.site-nav a {
  display: block;
  padding: 1rem 1.5rem;
  color: var(--color-bg);
  border: none;
  text-align: center;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--color-primary);
  transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

.site-nav a:hover {
  background: var(--color-secondary);
  box-shadow: inset 0 -4px 0 var(--color-bg);
}

.site-nav a:focus-visible {
  outline: 4px solid var(--color-accent);
  outline-offset: -4px;
}

.site-main {
  flex: 1;
  padding: 3rem 0;
}

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

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin-bottom: 2rem;
  padding: 1rem;
  background: var(--color-surface);
  border: var(--border-medium);
  box-shadow: var(--shadow-small);
}

.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.875rem;
}

.breadcrumbs li:not(:last-child)::after {
  content: '→';
  color: var(--color-primary);
  font-weight: 900;
}

.breadcrumbs a {
  border: none;
  padding: 0.25rem 0.5rem;
}

.card {
  background: var(--color-surface);
  border: var(--border-thick);
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-medium);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  position: relative;
}

.card::before {
  content: '';
  position: absolute;
  top: -6px;
  left: -6px;
  right: -6px;
  bottom: -6px;
  border: 2px solid var(--color-accent);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.card:hover {
  box-shadow: var(--shadow-large);
  transform: translate(-2px, -2px);
}

.card:hover::before {
  opacity: 1;
}

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

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 2rem 0;
  border: var(--border-thick);
  background: var(--color-bg);
  box-shadow: var(--shadow-medium);
}

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

th {
  padding: 1rem;
  text-align: left;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-right: 3px solid var(--color-primary);
  border-bottom: var(--border-thick);
}

th:last-child {
  border-right: none;
}

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

td:last-child {
  border-right: none;
}

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

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

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

details {
  border: var(--border-thick);
  background: var(--color-surface);
  margin-bottom: 1rem;
  box-shadow: var(--shadow-small);
  transition: box-shadow 0.2s ease;
}

details[open] {
  box-shadow: var(--shadow-medium);
}

summary {
  padding: 1.5rem;
  font-weight: 900;
  font-size: 1.125rem;
  cursor: pointer;
  background: var(--color-primary);
  color: var(--color-bg);
  text-transform: uppercase;
  list-style: none;
  transition: background-color 0.2s ease;
  border-bottom: var(--border-thick);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

summary::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 900;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  color: var(--color-text);
  border: 3px solid var(--color-text);
  transition: transform 0.2s ease;
}

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

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

summary:focus-visible {
  outline: 4px solid var(--color-accent);
  outline-offset: -4px;
}

details div {
  padding: 1.5rem;
}

.site-footer {
  background: var(--color-text);
  color: var(--color-bg);
  border-top: var(--border-thick);
  padding: 3rem 0 2rem;
  margin-top: 4rem;
  box-shadow: 0 -8px 0 var(--color-secondary);
}

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

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

.site-footer p {
  max-width: 100%;
  text-align: center;
  font-weight: 600;
}

button, input[type="submit"], input[type="button"] {
  background: var(--color-primary);
  color: var(--color-bg);
  border: var(--border-thick);
  padding: 1rem 2rem;
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  box-shadow: var(--shadow-small);
  transition: background-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

button:hover, input[type="submit"]:hover, input[type="button"]:hover {
  background: var(--color-secondary);
  box-shadow: var(--shadow-medium);
  transform: translate(-2px, -2px);
}

button:active, input[type="submit"]:active, input[type="button"]:active {
  transform: translate(2px, 2px);
  box-shadow: none;
}

button:focus-visible, input[type="submit"]:focus-visible, input[type="button"]:focus-visible {
  outline: 4px solid var(--color-accent);
  outline-offset: 2px;
}

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

input[type="text"]:focus, input[type="email"]:focus, input[type="search"]:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-medium);
}

ul, ol {
  margin: 1rem 0 1rem 2rem;
}

li {
  margin-bottom: 0.5rem;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border: var(--border-thick);
  box-shadow: var(--shadow-medium);
}

hr {
  border: none;
  border-top: var(--border-thick);
  margin: 3rem 0;
  position: relative;
}

hr::after {
  content: '★';
  position: absolute;
  top: -1rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-bg);
  color: var(--color-primary);
  padding: 0 1rem;
  font-size: 1.5rem;
}

@media (min-width: 768px) {
  h1 {
    font-size: 3.5rem;
    padding: 2rem;
  }

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

  .site-header h1 {
    font-size: 2.5rem;
  }

  .site-nav {
    width: auto;
    min-width: 500px;
  }

  .site-nav ul {
    flex-wrap: nowrap;
  }

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

  .card {
    padding: 2.5rem;
  }

  table {
    font-size: 1rem;
  }

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

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

  h2 {
    font-size: 2.5rem;
  }

  h3 {
    font-size: 1.75rem;
  }

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

  .card {
    padding: 3rem;
  }

  p {
    font-size: 1.125rem;
  }

  .site-nav a {
    font-size: 1.125rem;
  }
}

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

  html {
    scroll-behavior: auto;
  }
}

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

  .site-header {
    position: static;
    border-bottom: 2px solid var(--color-text);
    box-shadow: none;
  }

  .site-footer {
    border-top: 2px solid var(--color-text);
    box-shadow: none;
  }

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

  .card, table, details, blockquote, img {
    box-shadow: none;
    break-inside: avoid;
  }

  a {
    text-decoration: underline;
  }

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