* {
  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;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  font-size: 18px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 0.75em;
  color: var(--color-secondary);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 0.5em;
  font-weight: 800;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}

h5 {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
}

h6 {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
}

p {
  margin-bottom: 1.25em;
  max-width: 70ch;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  position: relative;
  font-weight: 500;
}

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

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-text);
}

blockquote {
  margin: 2em 0;
  padding: 1.5em 2em;
  background: var(--color-surface);
  border-left: 6px solid var(--color-primary);
  border-radius: 0 30px 30px 0;
  font-size: 1.125rem;
  font-style: italic;
  color: var(--color-text-muted);
  box-shadow: 0 4px 12px rgba(162, 28, 175, 0.08);
}

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

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

.site-header {
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-bg) 100%);
  border-bottom: 2px solid var(--color-border);
  padding: 1.5rem 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 20px rgba(74, 4, 78, 0.05);
}

.site-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-nav a {
  padding: 0.625rem 1.5rem;
  border-radius: var(--radius);
  transition: color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
  display: inline-block;
}

.site-nav a:hover {
  background-color: var(--color-surface);
  box-shadow: 0 4px 16px rgba(162, 28, 175, 0.15);
  transform: translateY(-2px);
}

.site-nav a:first-child {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.03em;
}

.site-main {
  flex: 1;
  width: 100%;
  padding: 3rem 1rem;
}

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

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 2rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  padding: 0.75rem 1.25rem;
  background: var(--color-surface);
  border-radius: var(--radius);
  width: fit-content;
}

.breadcrumbs a {
  color: var(--color-text-muted);
  font-weight: 400;
}

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

.breadcrumbs::after {
  content: none;
}

.card {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: 40px;
  padding: 2.5rem;
  margin-bottom: 2rem;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
  box-shadow: 0 4px 20px rgba(74, 4, 78, 0.06);
}

.card:hover {
  box-shadow: 0 8px 32px rgba(162, 28, 175, 0.12);
  border-color: var(--color-accent);
}

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

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 2rem 0;
  background: var(--color-surface);
  border-radius: 30px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(74, 4, 78, 0.08);
}

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

table th {
  padding: 1.25rem 1.5rem;
  text-align: left;
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

table td {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--color-border);
}

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

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

table tbody tr:hover {
  background-color: rgba(240, 171, 252, 0.2);
}

details {
  margin: 1.5rem 0;
  border: 2px solid var(--color-border);
  border-radius: 30px;
  padding: 0;
  background: var(--color-surface);
  overflow: hidden;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

details:hover {
  box-shadow: 0 6px 24px rgba(162, 28, 175, 0.1);
  border-color: var(--color-accent);
}

details[open] {
  box-shadow: 0 6px 24px rgba(162, 28, 175, 0.15);
}

summary {
  padding: 1.25rem 1.75rem;
  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;
  font-size: 1.125rem;
}

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

summary::after {
  content: '▼';
  font-size: 0.875rem;
  transition: transform 0.2s ease;
  color: var(--color-primary);
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  border-radius: 50%;
}

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

summary:hover {
  background-color: rgba(240, 171, 252, 0.15);
}

details > *:not(summary) {
  padding: 0 1.75rem 1.5rem;
}

.site-footer {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
  color: white;
  padding: 3rem 1rem 2rem;
  margin-top: auto;
  border-top-left-radius: 60px;
  border-top-right-radius: 60px;
  box-shadow: 0 -4px 30px rgba(74, 4, 78, 0.15);
}

.site-footer a {
  color: var(--color-accent);
  font-weight: 600;
}

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

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

.site-footer p {
  margin-bottom: 0.5rem;
  max-width: none;
}

ul, ol {
  margin: 1.5rem 0;
  padding-left: 2rem;
}

li {
  margin-bottom: 0.75rem;
  padding-left: 0.5rem;
}

ul li::marker {
  color: var(--color-primary);
}

ol li::marker {
  color: var(--color-primary);
  font-weight: 700;
}

code {
  background: var(--color-surface);
  padding: 0.25rem 0.5rem;
  border-radius: 8px;
  font-size: 0.9em;
  border: 1px solid var(--color-border);
  font-family: 'Courier New', monospace;
  color: var(--color-secondary);
}

pre {
  background: var(--color-surface);
  padding: 1.5rem;
  border-radius: 25px;
  overflow-x: auto;
  margin: 2rem 0;
  border: 2px solid var(--color-border);
  box-shadow: 0 4px 16px rgba(74, 4, 78, 0.08);
}

pre code {
  background: none;
  padding: 0;
  border: none;
  border-radius: 0;
}

hr {
  border: none;
  height: 3px;
  background: linear-gradient(to right, transparent, var(--color-border), transparent);
  margin: 3rem 0;
  border-radius: 10px;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 35px;
  box-shadow: 0 6px 24px rgba(74, 4, 78, 0.1);
}

button, input[type="submit"], input[type="button"] {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: white;
  padding: 0.875rem 2rem;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  font-family: var(--font-main);
  box-shadow: 0 4px 16px rgba(162, 28, 175, 0.25);
}

button:hover, input[type="submit"]:hover, input[type="button"]:hover {
  box-shadow: 0 8px 24px rgba(162, 28, 175, 0.35);
  transform: translateY(-2px);
}

button:focus-visible, input[type="submit"]:focus-visible, input[type="button"]:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

input[type="text"], input[type="email"], input[type="search"], input[type="tel"], input[type="url"], textarea, select {
  width: 100%;
  padding: 0.875rem 1.25rem;
  border: 2px solid var(--color-border);
  border-radius: 25px;
  font-size: 1rem;
  font-family: var(--font-main);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  margin-bottom: 1rem;
}

input[type="text"]:focus, input[type="email"]:focus, input[type="search"]:focus, input[type="tel"]:focus, input[type="url"]:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(162, 28, 175, 0.1);
}

textarea {
  min-height: 150px;
  resize: vertical;
}

@media (min-width: 768px) {
  body {
    font-size: 19px;
  }

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

  .site-main {
    padding: 4rem 2rem;
  }

  .site-footer {
    padding: 4rem 2rem 3rem;
  }

  .site-footer .container {
    text-align: left;
    grid-template-columns: repeat(2, 1fr);
  }

  .card {
    padding: 3rem;
  }

  blockquote {
    margin: 2.5em 0;
    padding: 2em 2.5em;
  }

  p {
    margin-bottom: 1.5em;
  }

  table th, table td {
    padding: 1.5rem 2rem;
  }

  summary {
    padding: 1.5rem 2rem;
  }

  details > *:not(summary) {
    padding: 0 2rem 2rem;
  }
}

@media (min-width: 1024px) {
  body {
    font-size: 20px;
  }

  .site-header {
    padding: 2rem 3rem;
  }

  .site-main {
    padding: 5rem 3rem;
  }

  .site-footer {
    padding: 5rem 3rem 4rem;
  }

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

  .card {
    padding: 3.5rem;
  }

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

  blockquote {
    margin: 3em 0;
    padding: 2.5em 3em;
    font-size: 1.25rem;
  }

  ul, ol {
    padding-left: 2.5rem;
  }
}

@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;
  }

  summary::after {
    transition: none;
  }
}

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

  .site-main {
    padding: 0;
  }

  .container {
    max-width: 100%;
  }

  a {
    text-decoration: underline;
  }

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

  blockquote {
    page-break-inside: avoid;
  }

  table {
    page-break-inside: auto;
  }

  tr {
    page-break-inside: avoid;
    page-break-after: auto;
  }

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