/* Shared site header — loaded via <link rel="stylesheet" href="/shared/header.css"> */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #FFFFFF;
  border-bottom: 1px solid #E5EAF2;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
}
.site-header .header-container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}

/* Logo */
.site-header .header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.site-header .header-mark {
  width: 32px;
  height: 32px;
}
.site-header .header-wordmark {
  font-size: 20px;
  font-weight: 700;
  color: #0B1F3A;
  letter-spacing: -0.01em;
  line-height: 1;
}

/* Nav (desktop) */
.site-header .header-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-grow: 1;
  justify-content: center;
}
.site-header .header-nav a {
  font-size: 15px;
  font-weight: 500;
  color: #4A5A75;
  text-decoration: none;
  transition: color 0.15s ease;
}
.site-header .header-nav a:hover {
  color: #0B1F3A;
}
.site-header .header-nav a:focus-visible {
  outline: 2px solid #0E7C7B;
  outline-offset: 3px;
  border-radius: 4px;
}

/* CTA */
.site-header .header-cta {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  background: #0E7C7B;
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 10px;
  flex-shrink: 0;
  transition: background-color 0.15s ease, transform 0.15s ease;
}
.site-header .header-cta:hover {
  background: #0A5E5D;
  transform: translateY(-1px);
}
.site-header .header-cta:focus-visible {
  outline: 2px solid #0E7C7B;
  outline-offset: 3px;
}

/* Burger button (mobile only) */
.site-header .header-burger {
  display: none;
  background: transparent;
  border: 0;
  padding: 8px;
  margin: 0;
  color: #0B1F3A;
  cursor: pointer;
  border-radius: 8px;
}
.site-header .header-burger:hover {
  background: #F7F9FC;
}
.site-header .header-burger:focus-visible {
  outline: 2px solid #0E7C7B;
  outline-offset: 2px;
}

/* Mobile layout */
@media (max-width: 900px) {
  .site-header .header-container {
    height: 64px;
  }
  .site-header .header-nav {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #FFFFFF;
    border-bottom: 1px solid #E5EAF2;
    box-shadow: 0 12px 24px rgba(11, 31, 58, 0.08);
    padding: 8px 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
    pointer-events: none;
  }
  .site-header.is-open .header-nav {
    max-height: 400px;
    pointer-events: auto;
  }
  .site-header .header-nav a {
    padding: 14px 24px;
    font-size: 16px;
    border-top: 1px solid #F0F3F8;
  }
  .site-header .header-nav a:first-child {
    border-top: 0;
  }
  .site-header .header-cta {
    padding: 8px 16px;
    font-size: 14px;
  }
  .site-header .header-burger {
    display: inline-flex;
  }
}

@media (max-width: 480px) {
  .site-header .header-wordmark {
    font-size: 18px;
  }
  .site-header .header-cta {
    padding: 8px 14px;
    font-size: 13px;
  }
}