:root {
  --color-primary: #1b3a5c;
  --color-primary-dark: #12283f;
  --color-accent: #c9973d;
  --color-bg: #ffffff;
  --color-bg-alt: #f5f7fa;
  --color-text: #26313d;
  --color-border: #e1e5ea;
  --max-width: 1100px;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

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

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

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

/* Header / Nav */
.site-header {
  background: var(--color-primary);
  position: relative;
  z-index: 100;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: #fff;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.brand:hover { color: var(--color-accent); text-decoration: none; }
.brand-mark {
  height: 40px;
  width: auto;
  display: block;
}
.brand-text { line-height: 1.1; }

.hero-logo {
  max-width: 380px;
  width: 100%;
  height: auto;
  margin: 0 auto 1rem;
  display: block;
}

.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;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: #fff;
  display: block;
}

.site-nav { width: auto; }

.nav-menu {
  list-style: none;
  display: flex;
  margin: 0;
  padding: 0;
  gap: 0.25rem;
}

.nav-item {
  position: relative;
}

.nav-item > a {
  display: block;
  color: #fff;
  padding: 0.9rem 1rem;
  font-weight: 500;
}
.nav-item > a:hover { color: var(--color-accent); text-decoration: none; }

.dropdown-toggle {
  display: none;
}

.dropdown-menu {
  list-style: none;
  margin: 0;
  padding: 0.4rem 0;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s;
}

.nav-item.has-dropdown:hover .dropdown-menu,
.nav-item.has-dropdown:focus-within .dropdown-menu,
.nav-item.has-dropdown.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li a {
  display: block;
  padding: 0.55rem 1rem;
  color: var(--color-text);
  white-space: nowrap;
}
.dropdown-menu li a:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
  text-decoration: none;
}

/* Footer */
.site-footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  text-align: center;
  padding: 1.5rem;
  font-size: 0.9rem;
  color: #6b7684;
}
.site-footer a { color: #6b7684; text-decoration: underline; }

/* Generic content elements */
h1, h2, h3 { color: var(--color-primary-dark); }
.hero {
  background: var(--color-bg-alt);
  padding: 3rem 1.5rem;
  text-align: center;
}
.hero h1 { font-size: 2.2rem; margin-bottom: 0.5rem; }
.hero p { font-size: 1.15rem; color: #4a5563; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}
.card {
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 1.25rem;
  background: #fff;
}
.card h3 { margin-top: 0; }

.btn {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  padding: 0.65rem 1.3rem;
  border-radius: 4px;
  font-weight: 600;
}
.btn:hover { background: var(--color-accent); color: #fff; text-decoration: none; }

/* Mobile */
@media (max-width: 780px) {
  .nav-toggle { display: flex; }

  .site-nav {
    display: none;
    width: 100%;
  }
  .site-nav.open { display: block; }

  .nav-menu {
    flex-direction: column;
    width: 100%;
  }

  .nav-item > a { padding: 0.85rem 0.25rem; }

  .dropdown-toggle {
    display: block;
    position: absolute;
    right: 0;
    top: 0;
    background: none;
    border: none;
    color: #fff;
    font-size: 1rem;
    padding: 0.9rem 0.75rem;
    cursor: pointer;
  }

  .dropdown-menu {
    position: static;
    display: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background: var(--color-primary-dark);
    border-radius: 0;
  }
  .nav-item.open .dropdown-menu { display: block; }
  .dropdown-menu li a { color: #fff; padding-left: 1.5rem; }
  .dropdown-menu li a:hover { background: rgba(255,255,255,0.08); color: var(--color-accent); }
}