:root {
  --color-primary: #144A6E;
  --color-secondary: #154B70;
  --color-bg: #F4F7E7;
  --color-white: #ffffff;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-link: #27638C;
  --color-link-hover: #1a4a6e;
  --color-border: #D6DDB9;
  --color-accent: #92ca2c;
  --color-menu-bg: #98D022;
  --color-menu-hover: #92ca2c;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.15);
  --radius: 8px;
  --transition: 0.3s ease;
  --max-width: 1200px;
  --header-height: 120px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  margin: 0;
  padding: 0;
}

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

a {
  color: var(--color-link);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-link-hover);
  text-decoration: underline;
}

a.external::after {
  content: '\2197';
  display: inline-block;
  margin-left: 3px;
  font-size: 0.75em;
  color: var(--color-link);
  vertical-align: middle;
  text-decoration: none;
}

.hero-quote a.external::after {
  content: '\2197';
  color: var(--color-white);
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 8px 16px;
  z-index: 1000;
  transition: top var(--transition);
}

.skip-link:focus {
  top: 0;
}

.site-header {
  background: var(--color-white);
  box-shadow: var(--shadow);
  padding: 1rem 0;
  position: relative;
}

.header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.logo img {
  height: 80px;
  width: auto;
}

.site-info {
  flex: 1;
  min-width: 200px;
}

.site-name {
  margin: 0;
  font-size: 1.75rem;
  color: var(--color-primary);
}

.site-name a {
  color: var(--color-primary);
  text-decoration: none;
}

.site-name a:hover {
  text-decoration: none;
  color: var(--color-secondary);
}

.site-contact {
  margin: 0.5rem 0 0;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.site-contact a {
  color: var(--color-link);
}

.social-links a {
  display: block;
}

.social-links img {
  width: 32px;
  height: 32px;
}

.main-nav {
  background: transparent;
  position: relative;
  padding: 8px 0 0 0;
  border-bottom: 1px solid var(--color-border);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 30px;
  height: 24px;
  background: var(--color-secondary);
  border: none;
  cursor: pointer;
  padding: 0;
  margin: 1rem auto;
  border-radius: 4px;
}

.nav-toggle span {
  width: 100%;
  height: 3px;
  background: var(--color-white);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-menu {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.nav-menu > li {
  position: relative;
}

.nav-menu > li > a {
  display: block;
  padding: 8px 16px;
  background: #cfdeff;
  color: #154b70;
  text-decoration: none;
  font-weight: 500;
  transition: background var(--transition);
  border-radius: 8px 8px 0 0;
  border-left: 1px solid #fff;
  border-top: 1px solid #cfdeff;
}

.nav-menu a:hover,
.nav-menu a.active {
  background: var(--color-menu-hover);
  color: var(--color-white);
  text-decoration: none;
}

.submenu {
  position: absolute;
  top: 100%;
  left: 0;
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--color-menu-bg);
  box-shadow: var(--shadow-hover);
  min-width: 220px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition);
  z-index: 100;
  border-bottom-left-radius: 5px;
  border-bottom-right-radius: 5px;
}

.has-submenu:hover .submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.submenu a {
  color: var(--color-primary);
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--color-menu-hover);
  display: block;
  background: var(--color-menu-bg);
}

.submenu a:last-child {
  border-bottom: none;
  border-bottom-left-radius: 5px;
  border-bottom-right-radius: 5px;
}

.submenu a:hover {
  background: var(--color-menu-hover);
  color: var(--color-white);
}

.main-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem 2rem;
}

.hero-wrapper {
  background: linear-gradient(to bottom, #1a5a7f 0%, #144A6E 100%);
  background-color: #144A6E;
  box-shadow: var(--shadow);
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem;
  color: var(--color-white);
  text-align: center;
}

.hero-text {
  font-size: 1.25rem;
  margin: 0 0 1rem;
}

.hero-quote {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.9);
  font-style: italic;
  margin: 0;
}

.hero-quote a {
  color: var(--color-white);
  text-decoration: underline;
}

.hero-quote a:hover {
  text-decoration: none;
}

.hero-quote em {
  color: var(--color-white);
}

.featured-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.featured-item {
  background: transparent;
  padding: 0;
  border-radius: 0;
  box-shadow: none;
  transition: none;
}

.featured-item:hover {
  transform: none;
  box-shadow: none;
}

.featured-item h2 {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
}

.featured-item h2 a {
  color: var(--color-primary);
}

.featured-item h2 a:hover {
  color: var(--color-secondary);
}

.video-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  margin-top: 1rem;
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.site-footer {
  background: var(--color-bg);
  color: var(--color-text);
  text-align: center;
  padding: 2rem 1.5rem;
  margin-top: 3rem;
  border-top: 1px solid var(--color-border);
}

.site-footer p {
  margin: 0.5rem 0;
}

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

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

.social-links a.external::after {
  display: none;
}

@media (max-width: 768px) {
  .header-container {
    justify-content: center;
    text-align: center;
  }

  .site-info {
    order: 3;
    flex: 100%;
  }

  .logo {
    order: 1;
  }

  .social-links {
    order: 2;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    display: none;
    flex-direction: column;
    padding: 0 1.5rem 1rem;
  }

  .main-nav {
    background: var(--color-secondary);
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-menu > li {
    width: 100%;
  }

  .nav-menu a {
    padding: 0.75rem 1rem;
    color: var(--color-white);
  }

  .submenu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background: var(--color-menu-bg);
  }

  .submenu a {
    color: var(--color-primary);
    padding-left: 2rem;
    border-bottom: 1px solid var(--color-menu-hover);
  }

  .submenu a:last-child {
    border-bottom: none;
  }

  .has-submenu::after {
    content: '';
  }

  .featured-content {
    grid-template-columns: 1fr;
  }
}

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

/* Page content styles */
main > h1,
.main-content > h1,
body > h1 {
  margin-left: 2rem;
  margin-bottom: 0;
}

.page-content {
  padding: 0.5rem 2rem;
}

.page-content h1,
.page-content h2,
.page-content h3,
.page-content h4 {
  color: var(--color-primary);
  margin-top: 1.5rem;
}

.page-content h1:first-child {
  margin-top: 0;
}

.page-content p:first-of-type {
  margin-top: 0.5rem;
}

.page-content p {
  margin: 1rem 0;
}

.page-content img {
  margin: 1.5rem auto;
  border-radius: var(--radius);
}

.page-content ul,
.page-content ol {
  margin: 1rem 0;
  padding-left: 2rem;
}

.page-content li {
  margin: 0.5rem 0;
}

.page-nav {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.page-nav a {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--color-bg);
  border-radius: var(--radius);
  transition: background var(--transition);
}

.page-nav a:hover {
  background: var(--color-border);
  text-decoration: none;
}

.page-nav ul {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.page-nav ul li a {
  background: var(--color-bg);
}

.page-next {
  margin-left: auto;
}

.page-previous {
  margin-right: auto;
}

/* Utility classes */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}