:root {
  --color-primary: #2F2A7A;
  --color-secondary: #0F8B8D;
  --color-accent: #FF4D6D;
  --color-background: #FFF7E8;
  --color-surface: #FFFFFF;
  --color-text: #14121A;
  --color-text-muted: #4B4656;
  --color-border: #1E1A2A;
  --radius: 14px;
  --shadow: 6px 6px 0 var(--color-border);
  --space: 1rem;
  --font-system: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

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

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

@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;
  }
}

body {
  font-family: var(--font-system);
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  grid-template-columns: 100%;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 900;
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 1.5rem;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--color-primary);
  margin-top: 2.5rem;
  margin-bottom: 1.25rem;
  border-bottom: 6px solid var(--color-border);
  padding-bottom: 0.5rem;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--color-secondary);
  margin-top: 2rem;
  margin-bottom: 1rem;
}

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

a {
  color: var(--color-secondary);
  text-decoration: underline;
  text-decoration-thickness: 3px;
  text-underline-offset: 3px;
  font-weight: 700;
  transition: color 0.2s ease, text-decoration-color 0.2s ease, transform 0.2s ease;
}

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

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

header {
  background-color: var(--color-primary);
  color: var(--color-surface);
  border-bottom: 8px solid var(--color-border);
  padding: var(--space);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 8px 0 var(--color-border);
}

header .header-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

header .site-name {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--color-surface);
  text-decoration: none;
}

header .site-name:hover {
  color: var(--color-accent);
  text-decoration: none;
}

header nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

header nav a {
  color: var(--color-surface);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.125rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  padding: 0.5rem;
  border: 3px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

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

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

@media (min-width: 768px) {
  header .header-container {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.breadcrumbs {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.breadcrumbs a {
  color: var(--color-secondary);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}

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

.breadcrumbs span {
  font-weight: 700;
}

main {
  max-width: 1400px;
  margin: 0 auto;
  padding: calc(var(--space) * 2) var(--space);
  width: 100%;
}

section {
  margin-bottom: calc(var(--space) * 3);
}

.card, blockquote {
  background-color: var(--color-surface);
  border: 6px solid var(--color-border);
  border-radius: var(--radius);
  padding: calc(var(--space) * 1.5);
  margin-bottom: calc(var(--space) * 2);
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--color-border);
}

blockquote {
  border-left: 8px solid var(--color-accent);
  font-style: italic;
  color: var(--color-text-muted);
  position: relative;
}

blockquote::before {
  content: '"';
  font-size: 4rem;
  color: var(--color-accent);
  position: absolute;
  top: -1rem;
  left: 0.5rem;
  font-family: Georgia, serif;
  line-height: 1;
  opacity: 0.3;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: calc(var(--space) * 2) 0;
  background-color: var(--color-surface);
  border: 6px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  font-size: 1rem;
}

caption {
  font-size: 1.5rem;
  font-weight: 900;
  text-align: left;
  padding: 1rem;
  background-color: var(--color-primary);
  color: var(--color-surface);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

thead {
  background-color: var(--color-secondary);
  color: var(--color-surface);
  position: sticky;
  top: 0;
  z-index: 10;
}

@media (min-width: 1024px) {
  thead {
    position: sticky;
    top: 120px;
  }
}

th {
  padding: 1rem;
  text-align: left;
  font-weight: 900;
  text-transform: uppercase;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  border-bottom: 4px solid var(--color-border);
}

td {
  padding: 1rem;
  border-bottom: 3px solid var(--color-border);
}

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

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

tbody tr:hover {
  background-color: rgba(15, 139, 141, 0.1);
  transition: background-color 0.2s ease;
}

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

@media (max-width: 767px) {
  table {
    font-size: 0.9rem;
  }
  
  th, td {
    padding: 0.75rem;
  }
  
  caption {
    font-size: 1.25rem;
  }
}

details {
  background-color: var(--color-surface);
  border: 5px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

details:hover {
  transform: translate(-1px, -1px);
  box-shadow: 7px 7px 0 var(--color-border);
}

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

summary {
  padding: 1.25rem;
  font-weight: 900;
  font-size: 1.25rem;
  cursor: pointer;
  background-color: var(--color-primary);
  color: var(--color-surface);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  transition: background-color 0.2s ease;
}

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

summary::after {
  content: '+';
  font-size: 2rem;
  font-weight: 900;
  line-height: 1;
  transition: transform 0.3s ease;
}

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

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

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

details div {
  padding: 1.5rem;
  border-top: 4px solid var(--color-border);
}

ul, ol {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
  max-width: 70ch;
}

li {
  margin-bottom: 0.5rem;
  padding-left: 0.5rem;
}

ul li::marker {
  color: var(--color-accent);
  font-weight: 900;
}

ol li::marker {
  color: var(--color-secondary);
  font-weight: 900;
}

.cta {
  background-color: var(--color-accent);
  color: var(--color-surface);
  border: 6px solid var(--color-border);
  border-radius: var(--radius);
  padding: calc(var(--space) * 2);
  margin: calc(var(--space) * 3) 0;
  box-shadow: var(--shadow);
  text-align: center;
}

.cta h2, .cta h3 {
  color: var(--color-surface);
  border-bottom: none;
}

.cta a {
  color: var(--color-surface);
  background-color: var(--color-primary);
  text-decoration: none;
  padding: 1rem 2rem;
  display: inline-block;
  margin-top: 1rem;
  border: 4px solid var(--color-border);
  border-radius: calc(var(--radius) / 2);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: 4px 4px 0 var(--color-border);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta a:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--color-border);
  background-color: var(--color-secondary);
}

.cta a:focus-visible {
  outline: 4px solid var(--color-surface);
  outline-offset: 4px;
}

footer {
  background-color: var(--color-border);
  color: var(--color-surface);
  border-top: 8px solid var(--color-text);
  padding: calc(var(--space) * 2) var(--space);
  margin-top: calc(var(--space) * 4);
  text-align: center;
}

footer p {
  margin: 0 auto;
  font-size: 1rem;
  font-weight: 600;
}

footer a {
  color: var(--color-accent);
  font-weight: 900;
}

footer a:hover {
  color: var(--color-surface);
}

@media (min-width: 768px) {
  main {
    padding: calc(var(--space) * 3) calc(var(--space) * 2);
  }
}

@media (min-width: 1024px) {
  main {
    display: grid;
    grid-template-columns: 1fr;
    gap: calc(var(--space) * 2);
  }
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

button {
  cursor: pointer;
  border: 4px solid var(--color-border);
  background-color: var(--color-primary);
  color: var(--color-surface);
  padding: 0.75rem 1.5rem;
  font-weight: 900;
  text-transform: uppercase;
  border-radius: calc(var(--radius) / 2);
  box-shadow: 4px 4px 0 var(--color-border);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

button:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--color-border);
  background-color: var(--color-secondary);
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
  border: 5px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

code, pre {
  font-family: 'Courier New', Courier, monospace;
  background-color: var(--color-border);
  color: var(--color-surface);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-size: 0.95em;
}

pre {
  padding: 1rem;
  overflow-x: auto;
  margin-bottom: 1rem;
  border: 4px solid var(--color-text);
}

hr {
  border: none;
  border-top: 6px solid var(--color-border);
  margin: calc(var(--space) * 2) 0;
}

@media print {
  * {
    background: white !important;
    color: black !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }
  
  a, a:visited {
    text-decoration: underline;
  }
  
  a[href]::after {
    content: " (" attr(href) ")";
  }
  
  header, footer, nav, .breadcrumbs {
    display: none;
  }
  
  main {
    max-width: 100%;
    padding: 0;
  }
  
  h1, h2, h3 {
    page-break-after: avoid;
  }
  
  img {
    max-width: 100% !important;
    page-break-inside: avoid;
  }
  
  table {
    border-collapse: collapse !important;
  }
  
  table, figure {
    page-break-inside: avoid;
  }
}