:root {
  color-scheme: light;
  --color-bg: #f7f7f5;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-muted: #5c5c5c;
  --color-border: #d8d8d4;
  --color-accent: #1e4d6b;
  --color-accent-soft: #e8f0f5;
  --color-warning-bg: #fff8e6;
  --color-warning-border: #e6c200;
  --color-opinion: #5a3d6e;
  --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-serif: Georgia, 'Times New Roman', serif;
  --max-width: 72rem;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --radius: 6px;
  --focus-ring: 0 0 0 3px #1e4d6b55;
}

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-accent);
}

a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: var(--space-md);
  background: var(--color-surface);
  padding: var(--space-sm) var(--space-md);
  z-index: 100;
  border-radius: var(--radius);
}

.skip-link:focus {
  left: var(--space-md);
}

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) 0;
}

.brand {
  font-weight: 700;
  font-size: 1.35rem;
  text-decoration: none;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.brand span {
  color: var(--color-accent);
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list a {
  text-decoration: none;
  color: var(--color-text);
  font-weight: 500;
}

.nav-list a[aria-current='page'] {
  color: var(--color-accent);
  text-decoration: underline;
}

.site-footer {
  margin-top: var(--space-xl);
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-muted);
  font-size: 0.95rem;
}

.footer-grid {
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-grid a {
  color: var(--color-muted);
}

main {
  padding: var(--space-xl) 0 var(--space-xl);
}

h1,
h2,
h3 {
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.lead {
  font-size: 1.125rem;
  color: var(--color-muted);
  max-width: 42rem;
}

.card-grid {
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 640px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .card-grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.card h2,
.card h3 {
  margin: 0;
  font-size: 1.125rem;
}

.card a.card-link {
  text-decoration: none;
  color: inherit;
}

.card a.card-link:hover h2,
.card a.card-link:hover h3 {
  color: var(--color-accent);
}

.meta {
  font-size: 0.875rem;
  color: var(--color-muted);
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}

.badge--sample {
  background: var(--color-warning-bg);
  border-color: var(--color-warning-border);
}

.badge--opinion {
  background: #f3edf7;
  border-color: #c9b8d9;
  color: var(--color-opinion);
}

.badge--updates {
  background: var(--color-accent-soft);
  border-color: #b8d0e0;
}

.prose {
  max-width: 42rem;
}

.prose h2 {
  margin-top: 2rem;
}

.prose blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  border-left: 4px solid var(--color-accent);
  background: var(--color-accent-soft);
}

.table-wrap {
  overflow-x: auto;
  margin: var(--space-lg) 0;
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  background: var(--color-surface);
}

table.data-table th,
table.data-table td {
  border: 1px solid var(--color-border);
  padding: 0.5rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

table.data-table th {
  background: var(--color-bg);
  font-weight: 600;
}

table.data-table caption {
  caption-side: top;
  text-align: left;
  font-weight: 600;
  padding-bottom: var(--space-sm);
}

.notice {
  padding: var(--space-md);
  border-radius: var(--radius);
  border: 1px solid var(--color-warning-border);
  background: var(--color-warning-bg);
  margin-bottom: var(--space-lg);
}

.notice p {
  margin: 0;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: flex-end;
  margin-bottom: var(--space-lg);
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.filters label {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  font-size: 0.875rem;
  font-weight: 500;
}

.filters select {
  min-width: 10rem;
  padding: 0.4rem 0.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  font: inherit;
}

.ad-slot {
  min-height: 250px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  background: #fafafa;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  font-size: 0.875rem;
  text-align: center;
  padding: var(--space-md);
}

.ad-slot[data-loaded='true'] {
  border-style: solid;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-md);
  box-shadow: 0 -4px 20px rgb(0 0 0 / 8%);
  z-index: 50;
}

.cookie-banner[hidden] {
  display: none;
}

.cookie-banner__inner {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
  justify-content: space-between;
}

.cookie-banner p {
  margin: 0;
  flex: 1 1 16rem;
  font-size: 0.9375rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.btn {
  font: inherit;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  cursor: pointer;
}

.btn--primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.btn:hover {
  filter: brightness(0.97);
}

.newsletter {
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.newsletter form {
  display: grid;
  gap: var(--space-md);
  max-width: 28rem;
}

.newsletter input[type='email'] {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font: inherit;
}

.checkbox-label {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
  font-size: 0.9375rem;
}

.layout-with-aside {
  display: grid;
  gap: var(--space-xl);
}

@media (min-width: 960px) {
  .layout-with-aside {
    grid-template-columns: 1fr 300px;
    align-items: start;
  }
}

.search-box {
  max-width: 28rem;
}

.search-box input {
  width: 100%;
  padding: 0.6rem 0.75rem;
  font: inherit;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  list-style: none;
  padding: 0;
  margin: var(--space-sm) 0 0;
}

.tag-list a {
  font-size: 0.8125rem;
  text-decoration: none;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}