:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --ink: #1d2430;
  --muted: #5d6673;
  --primary: #123a5a;
  --primary-2: #1d5d8b;
  --accent: #d7e8f9;
  --border: #dfe6ef;
  --shadow: 0 12px 30px rgba(18, 58, 90, 0.08);
  --events-bg: #1d5d8b;
  --events-text: #ffffff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
}

a { color: var(--primary-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  background: var(--primary);
  color: #fff;
  border-bottom: 4px solid var(--accent);
}

.site-header .nav-wrap {
  width: min(1400px, calc(100% - 2rem));
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  color: #fff;
  text-decoration: none;
  display: inline-flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-mark {
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-sub {
  font-size: 0.78rem;
  opacity: 0.9;
}

.mobile-menu {
  display: none;
}

.skip-link {
  position: absolute;
  z-index: 10;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.6rem 0.9rem;
  background: #fff;
  color: var(--primary);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-layout {
  display: grid;
  grid-template-columns: 16rem minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
  width: min(1400px, calc(100% - 2rem));
  margin: 0 auto;
}

.desktop-sidebar {
  position: sticky;
  top: 1rem;
  max-height: calc(100vh - 2rem);
  overflow-y: auto;
  padding: 1.5rem 1rem 1.5rem 0;
  border-right: 1px solid var(--border);
}

.navigation-tree ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.navigation-list > li + li {
  margin-top: 0.25rem;
}

.navigation-tree a {
  display: block;
  padding: 0.45rem 0.65rem;
  border-radius: 4px;
  color: var(--ink);
}

.navigation-tree a:focus-visible,
.mobile-menu-toggle:focus-visible {
  outline: 3px solid var(--primary-2);
  outline-offset: 2px;
}

.navigation-item > a {
  font-weight: 700;
}

.navigation-item.is-active > a {
  color: var(--primary-2);
}

.navigation-item.is-current > a,
.navigation-child.is-current > a {
  background: var(--accent);
  color: var(--ink);
}

.navigation-children {
  margin: 0.15rem 0 0.4rem 0.65rem !important;
  padding-left: 0.5rem !important;
  border-left: 1px solid var(--border);
}

.navigation-children a {
  font-size: 0.94rem;
}

.hero {
  background: linear-gradient(135deg, #eff6ff 0%, #dfeefc 100%);
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
  padding: 4rem 0;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  font-size: 0.7rem;
  color: var(--primary-2);
  margin-bottom: 0.5rem;
}

h1, h2, h3 {
  line-height: 1.2;
  margin-top: 0;
}

h1 {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  margin-bottom: 1rem;
}

.lead {
  font-size: 1.1rem;
  color: var(--muted);
}

.hero-card,
.card,
.content-block {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 1.5rem;
}

.button {
  display: inline-block;
  margin-top: 0.75rem;
  background: var(--primary);
  color: #fff;
  padding: 0.8rem 1rem;
  border-radius: 8px;
  text-decoration: none;
}

.page-shell {
  padding: 2rem 0 4rem;
}

.page-header {
  margin-bottom: 2rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.card {
  padding: 1.25rem;
}

.content-block {
  padding: 2rem;
}

.content-block p,
.content-block ul,
.content-block ol,
.content-block li {
  color: var(--ink);
}

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

.notice {
  margin: 0 0 1.5rem;
  padding: 0.9rem 1.25rem;
  border-radius: 8px;
  font-weight: 700;
}

.notice-warning {
  background: #e35f5f;
  color: #fff;
}

.map-embed {
  margin: 1.5rem 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.map-embed iframe {
  display: block;
  width: 100%;
}

.site-footer {
  background: #edf2f8;
  border-top: 1px solid var(--border);
  padding: 2rem 0;
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

/* Events list styling */
.events-list {
  margin: 2rem 0;
}

.event-row {
  display: flex;
  gap: 2rem;
  padding: 1.5rem;
  background: var(--events-bg);
  color: var(--events-text);
  margin-bottom: 1rem;
  border-radius: 8px;
}

.event-date {
  flex: 0 0 25%;
  font-size: 0.95rem;
  line-height: 1.5;
}

.event-date p {
  margin: 0 0 0.5rem 0;
  color: var(--events-text);
}

.event-description {
  flex: 1 1 45%;
  font-size: 0.95rem;
  line-height: 1.6;
}

.event-description p {
  margin: 0 0 1rem 0;
  color: var(--events-text);
}

.event-description p:first-child {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.event-location {
  flex: 0 0 30%;
  font-size: 0.9rem;
  line-height: 1.6;
}

.event-location p {
  margin: 0 0 0.5rem 0;
  color: var(--events-text);
}

.event-location a {
  color: var(--accent);
  text-decoration: underline;
}

.event-location a:hover {
  opacity: 0.8;
}

@media (max-width: 760px) {
  .hero-inner,
  .footer-wrap {
    display: block;
  }

  .nav-wrap {
    align-items: flex-start;
  }

  .site-layout {
    display: block;
  }

  .desktop-sidebar {
    display: none;
  }

  .mobile-menu {
    position: relative;
    display: block;
  }

  .mobile-menu-toggle {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.45rem 0.7rem;
    border: 1px solid rgba(255, 255, 255, 0.55);
    border-radius: 4px;
    color: #fff;
    cursor: pointer;
    list-style: none;
  }

  .mobile-menu-toggle::-webkit-details-marker {
    display: none;
  }

  .mobile-menu-toggle::after {
    content: "+";
    font-weight: 700;
  }

  .mobile-menu[open] .mobile-menu-toggle::after {
    content: "-";
  }

  .mobile-menu .navigation-tree {
    position: absolute;
    z-index: 5;
    top: calc(100% + 0.5rem);
    right: 0;
    width: min(22rem, calc(100vw - 2rem));
    max-height: calc(100vh - 7rem);
    overflow-y: auto;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--panel);
    box-shadow: var(--shadow);
  }

  .hero-inner {
    padding: 2.5rem 0;
  }

  /* Responsive event layout */
  .event-row {
    display: block;
    padding: 1.25rem;
    gap: 0;
    margin-bottom: 1rem;
  }

  .event-date {
    flex: none;
    margin-bottom: 1rem;
    font-weight: 700;
  }

  .event-description {
    flex: none;
    margin-bottom: 1rem;
  }

  .event-location {
    flex: none;
    font-size: 0.85rem;
  }
}