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

:root {
  --color-primary: #334155;
  --color-secondary: #0f172a;
  --color-accent: #94a3b8;
  --color-bg: #ffffff;
  --color-surface: #f1f5f9;
  --color-text: #0f172a;
  --color-text-muted: #64748b;
  --color-border: #cbd5e1;
  --font-main: 'Trebuchet MS', 'Lucida Sans', 'Lucida Grande', sans-serif;
  --max-width: 1100px;
  --radius: 0;
  --spacing-unit: 8px;
}

html {
  font-size: 16px;
  line-height: 1.5;
}

body {
  font-family: var(--font-main);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: calc(var(--spacing-unit) * 2);
  color: var(--color-secondary);
}

h1 {
  font-size: 3rem;
  text-transform: uppercase;
  letter-spacing: -0.04em;
  border-bottom: 4px solid var(--color-primary);
  padding-bottom: calc(var(--spacing-unit) * 2);
  margin-bottom: calc(var(--spacing-unit) * 4);
}

h2 {
  font-size: 2.25rem;
  position: relative;
  padding-left: calc(var(--spacing-unit) * 3);
}

h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-accent) 100%);
  clip-path: polygon(0 0, 100% 0, 100% 85%, 0 100%);
}

h3 {
  font-size: 1.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1.125rem;
}

p {
  margin-bottom: calc(var(--spacing-unit) * 2);
  line-height: 1.75;
}

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

a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width 0.2s ease;
}

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

a:hover::after {
  width: 100%;
}

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

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

em {
  font-style: italic;
}

blockquote {
  margin: calc(var(--spacing-unit) * 4) 0;
  padding: calc(var(--spacing-unit) * 3);
  background-color: var(--color-surface);
  border-left: 6px solid var(--color-primary);
  position: relative;
  font-style: italic;
  color: var(--color-text-muted);
}

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-bg) transparent transparent;
}

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

.site-header {
  background-color: var(--color-secondary);
  color: var(--color-bg);
  padding: calc(var(--spacing-unit) * 3) 0;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 40px), 0 100%);
  padding-bottom: calc(var(--spacing-unit) * 6);
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.site-header h1 {
  color: var(--color-bg);
  border-bottom-color: var(--color-accent);
  margin: 0;
  padding: 0;
  border: none;
}

.site-nav {
  background-color: var(--color-primary);
  margin-top: calc(var(--spacing-unit) * 2);
  clip-path: polygon(0 0, 100% 0, calc(100% - 30px) 100%, 0 100%);
}

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

.site-nav li {
  flex: 1 1 auto;
  min-width: 120px;
}

.site-nav a {
  display: block;
  padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 3);
  color: var(--color-bg);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
  font-size: 0.875rem;
  position: relative;
  transition: background-color 0.2s ease;
}

.site-nav a::after {
  display: none;
}

.site-nav a::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 0;
  background-color: var(--color-accent);
  transition: height 0.2s ease;
  clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}

.site-nav a:hover::before {
  height: 100%;
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 calc(var(--spacing-unit) * 3);
}

.site-main {
  min-height: 60vh;
  padding: calc(var(--spacing-unit) * 4) 0;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--spacing-unit) * 2);
  list-style: none;
  margin-bottom: calc(var(--spacing-unit) * 4);
  padding: calc(var(--spacing-unit) * 2);
  background-color: var(--color-surface);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 100%, 0 100%);
}

.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: calc(var(--spacing-unit) * 2);
  font-size: 0.875rem;
}

.breadcrumbs li::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 6px 0 6px 8px;
  border-color: transparent transparent transparent var(--color-text-muted);
}

.breadcrumbs li:last-child::after {
  display: none;
}

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

.breadcrumbs a::after {
  display: none;
}

.card {
  background-color: var(--color-bg);
  border: 2px solid var(--color-border);
  padding: calc(var(--spacing-unit) * 3);
  margin-bottom: calc(var(--spacing-unit) * 3);
  position: relative;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 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-surface) transparent;
  transition: border-color 0.2s ease;
}

.card:hover {
  border-color: var(--color-primary);
  box-shadow: 8px 8px 0 var(--color-surface);
}

.card:hover::after {
  border-color: transparent transparent var(--color-accent) transparent;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: calc(var(--spacing-unit) * 4) 0;
  border: 2px solid var(--color-border);
}

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

th {
  padding: calc(var(--spacing-unit) * 2);
  text-align: left;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.875rem;
  border-bottom: 2px solid var(--color-border);
}

td {
  padding: calc(var(--spacing-unit) * 2);
  border-bottom: 1px solid var(--color-border);
}

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

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

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

details {
  margin: calc(var(--spacing-unit) * 3) 0;
  border: 2px solid var(--color-border);
  background-color: var(--color-bg);
  transition: border-color 0.2s ease;
}

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

summary {
  padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 3);
  background-color: var(--color-surface);
  cursor: pointer;
  font-weight: 700;
  color: var(--color-secondary);
  list-style: none;
  position: relative;
  transition: background-color 0.2s ease;
  clip-path: polygon(0 0, calc(100% - 15px) 0, 100% 100%, 0 100%);
}

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

summary::before {
  content: '▶';
  position: absolute;
  right: calc(var(--spacing-unit) * 3);
  transition: transform 0.2s ease;
  color: var(--color-primary);
}

details[open] summary::before {
  transform: rotate(90deg);
}

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

summary:hover::before {
  color: var(--color-bg);
}

details > *:not(summary) {
  padding: calc(var(--spacing-unit) * 3);
}

.site-footer {
  background-color: var(--color-secondary);
  color: var(--color-bg);
  padding: calc(var(--spacing-unit) * 6) 0 calc(var(--spacing-unit) * 3);
  margin-top: calc(var(--spacing-unit) * 8);
  clip-path: polygon(0 40px, 100% 0, 100% 100%, 0 100%);
}

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

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

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

button,
input[type="submit"],
input[type="button"] {
  font-family: var(--font-main);
  background-color: var(--color-primary);
  color: var(--color-bg);
  border: none;
  padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 4);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: background-color 0.2s ease, box-shadow 0.2s ease;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 100%, 0 100%);
  font-size: 0.875rem;
}

button:hover,
input[type="submit"]:hover,
input[type="button"]:hover {
  background-color: var(--color-secondary);
  box-shadow: 4px 4px 0 var(--color-accent);
}

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

input[type="text"],
input[type="email"],
input[type="search"],
textarea {
  font-family: var(--font-main);
  padding: calc(var(--spacing-unit) * 2);
  border: 2px solid var(--color-border);
  background-color: var(--color-bg);
  color: var(--color-text);
  width: 100%;
  transition: border-color 0.2s ease;
  font-size: 1rem;
}

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

@media (min-width: 768px) {
  h1 {
    font-size: 4rem;
  }

  h2 {
    font-size: 3rem;
  }

  h3 {
    font-size: 2.25rem;
  }

  .site-header {
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 60px), 0 100%);
  }

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

  .site-nav li {
    flex: 0 1 auto;
  }

  .card {
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
  }

  .card::after {
    border-width: 0 0 30px 30px;
  }
}

@media (min-width: 1024px) {
  :root {
    --spacing-unit: 10px;
  }

  .site-main {
    display: grid;
    grid-template-columns: 1fr;
    gap: calc(var(--spacing-unit) * 4);
  }

  .site-header {
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 80px), 0 100%);
  }

  table {
    font-size: 1rem;
  }
}

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

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

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

  .site-main {
    padding: 0;
  }

  a::after {
    display: none;
  }

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

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