:root {
  --color-primary: #1E3A8A;
  --color-secondary: #0F766E;
  --color-accent: #D97706;
  --color-bg: #F7F3EA;
  --color-surface: #FFFFFF;
  --color-text: #111827;
  --color-muted: #4B5563;
  --color-border: #D1D5DB;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(17,24,39,0.10);
  --maxw: 1120px;
  --transition: 180ms ease;
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --transition: none;
  }
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 100vh;
}

h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--color-primary);
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  line-height: 1.3;
  margin: 2rem 0 1rem 0;
  color: var(--color-primary);
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 600;
  line-height: 1.4;
  margin: 1.5rem 0 0.75rem 0;
  color: var(--color-secondary);
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  transition: color var(--transition);
}

a:hover,
a:focus-visible {
  color: var(--color-accent);
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

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

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

.nav-brand {
  font-size: 1.25rem;
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
  flex-wrap: wrap;
}

.nav-links a {
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  transition: background-color var(--transition), color var(--transition);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  background-color: var(--color-primary);
  color: var(--color-surface);
  outline: none;
}

main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 2rem 1rem;
  display: grid;
  gap: 3rem;
}

.breadcrumb {
  display: flex;
  list-style: none;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

.breadcrumb li:not(:last-child)::after {
  content: ' > ';
  margin-left: 0.5rem;
  color: var(--color-muted);
}

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

section {
  background-color: var(--color-surface);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

article {
  max-width: none;
}

aside {
  background-color: var(--color-bg);
  padding: 1.5rem;
  border-radius: var(--radius);
  border-left: 4px solid var(--color-accent);
  margin: 2rem 0;
}

aside h3,
aside h4 {
  margin-top: 0;
  margin-bottom: 1rem;
}

aside ul {
  margin-left: 1.5rem;
}

blockquote {
  background-color: var(--color-bg);
  border-left: 4px solid var(--color-accent);
  padding: 1.5rem;
  margin: 2rem 0;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  font-size: 1.125rem;
  color: var(--color-secondary);
}

ul, ol {
  margin-left: 2rem;
  margin-bottom: 1rem;
}

li {
  margin-bottom: 0.5rem;
}

details {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 1rem;
  overflow: hidden;
}

summary {
  background-color: var(--color-bg);
  padding: 1rem 1.5rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--color-primary);
  transition: background-color var(--transition);
  position: relative;
}

summary:hover,
summary:focus-visible {
  background-color: var(--color-primary);
  color: var(--color-surface);
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

summary::marker {
  content: '';
}

summary::before {
  content: '▶';
  position: absolute;
  right: 1.5rem;
  transition: transform var(--transition);
}

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

details > *:not(summary) {
  padding: 1.5rem;
  border-top: 1px solid var(--color-border);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  background-color: var(--color-surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.table-wrapper {
  overflow-x: auto;
  margin: 1.5rem 0;
}

caption {
  padding: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  background-color: var(--color-bg);
  text-align: left;
}

th, td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

th {
  background-color: var(--color-primary);
  color: var(--color-surface);
  font-weight: 600;
  position: sticky;
  top: 0;
  z-index: 1;
}

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

tbody tr:hover {
  background-color: rgba(30, 58, 138, 0.05);
}

.quick-facts {
  grid-area: sidebar;
}

footer {
  background-color: var(--color-primary);
  color: var(--color-surface);
  text-align: center;
  padding: 2rem 1rem;
  margin-top: auto;
}

@media (min-width: 768px) {
  nav {
    padding: 1.5rem;
  }
  
  main {
    padding: 3rem 2rem;
  }
  
  section {
    padding: 3rem;
  }
  
  #top-stories {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 3rem;
    align-items: start;
  }
  
  #top-stories article {
    grid-column: 1;
  }
  
  #top-stories aside {
    grid-column: 2;
    margin: 0;
  }
}

@media (min-width: 1024px) {
  .table-wrapper {
    overflow-x: visible;
  }
  
  th {
    position: sticky;
    top: 0;
  }
}

@media (max-width: 767px) {
  .nav-links {
    gap: 1rem;
  }
  
  .nav-links a {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
  }
  
  .table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  table {
    min-width: 600px;
  }
  
  th, td {
    padding: 0.75rem 0.5rem;
    font-size: 0.875rem;
  }
}