:root {
  --primary: #005A9C;
  --primary-dark: #003B6F;
  --primary-light: #1E88E5;
  --background: #FFFFFF;
  --surface: #F5F5F5;
  --text-primary: #333333;
  --text-secondary: #666666;
  --border: #D9D9D9;
  --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.08);
  --radius-btn: 8px;
  --radius-card: 12px;
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Montserrat", system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--background);
}

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

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

a:focus-visible {
  outline: 2px solid var(--primary-light);
  outline-offset: 2px;
  border-radius: 2px;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--background);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  line-height: 0;
  flex-shrink: 0;
}

.logo img {
  height: 56px;
  width: auto;
  display: block;
}

.nav-link {
  display: inline-block;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  white-space: nowrap;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.nav-link:hover {
  background-color: var(--primary);
  color: var(--background);
  border-color: var(--primary);
}

/* Hero */
.hero {
  background-color: var(--surface);
  padding: 3rem 0;
}

.hero .container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.last-updated {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.2;
}

.intro-card {
  background-color: var(--background);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 1.75rem 2rem;
}

.intro-card p {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.intro-card p:last-child {
  margin-bottom: 0;
}

.intro-card ul {
  margin: 0.75rem 0 1rem 1.5rem;
  color: var(--text-secondary);
}

.intro-card li {
  margin-bottom: 0.35rem;
}

/* Main content */
.main-content {
  padding: 3rem 0 4rem;
}

.policy-section {
  margin-bottom: 2.5rem;
}

.policy-section:last-child {
  margin-bottom: 0;
}

.policy-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--primary);
}

.policy-section h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--primary);
  margin: 1.5rem 0 0.75rem;
}

.policy-section p {
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.policy-section ul,
.policy-section ol {
  margin: 0.75rem 0 1rem 1.5rem;
  color: var(--text-primary);
}

.policy-section li {
  margin-bottom: 0.5rem;
}

.policy-section li::marker {
  color: var(--primary);
}

/* Tables */
.table-wrapper {
  overflow-x: auto;
  margin: 1.25rem 0;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
}

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

thead {
  background-color: var(--primary-dark);
  color: var(--background);
}

th,
td {
  padding: 0.875rem 1rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}

th {
  font-weight: 600;
  white-space: nowrap;
}

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

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

/* Contact card */
.contact-card {
  background-color: var(--surface);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-card);
  padding: 1.5rem 1.75rem;
  margin-top: 1rem;
}

.contact-card p {
  margin-bottom: 0.5rem;
}

.contact-card p:last-child {
  margin-bottom: 0;
}

.contact-card strong {
  color: var(--primary-dark);
}

/* Footer */
.site-footer {
  background-color: var(--primary-dark);
  color: var(--background);
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-logo {
  display: inline-block;
  background-color: var(--background);
  border-radius: var(--radius-btn);
  padding: 0.5rem 0.75rem;
  margin-bottom: 1rem;
  line-height: 0;
}

.footer-logo img {
  height: 48px;
  width: auto;
  display: block;
}

.footer-col h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--background);
}

.footer-col p {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 0.35rem;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.9);
}

.site-footer a:hover {
  color: var(--background);
  text-decoration: underline;
}

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  text-align: center;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.7);
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  .intro-card {
    padding: 1.25rem 1.5rem;
  }

  .policy-section h2 {
    font-size: 1.25rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  th,
  td {
    padding: 0.75rem;
    font-size: 0.875rem;
  }
}

@media (max-width: 480px) {
  .site-header .container {
    flex-direction: column;
    align-items: flex-start;
  }

  .logo img {
    height: 44px;
  }

  .footer-logo img {
    height: 40px;
  }

  .hero {
    padding: 2rem 0;
  }

  .hero h1 {
    font-size: 1.625rem;
  }

  .main-content {
    padding: 2rem 0 3rem;
  }

  .container {
    padding: 0 1rem;
  }
}