/* Two independent frosted surfaces, with an open center. */
:root { --header-top: 20px; --header-bar-height: 68px; --site-header-height: 104px; }
html { scroll-padding-top: calc(var(--site-header-height) + 12px); }
.site-header { position: sticky; top: var(--header-top); z-index: 30; width: calc(100% - 112px); max-width: 1320px; height: var(--header-bar-height); margin: 28px auto 0; background: transparent; border: 0; box-shadow: none; backdrop-filter: none; -webkit-backdrop-filter: none; }
.site-header.scrolled { box-shadow: none; }
.site-header .nav-inner { display: flex; align-items: stretch; justify-content: space-between; gap: 28px; width: 100%; max-width: none; height: var(--header-bar-height); padding: 0; }
.header-island { position: relative; border: 1px solid #ffffffc9; border-radius: 20px; background: #f2f5ef; box-shadow: inset 0 1px 0 #ffffffd9, 0 4px 18px #193d2905; transition: background .2s, box-shadow .2s; }
.header-main { display: flex; align-items: center; gap: 38px; padding: 0 24px; }
.header-actions { display: flex; align-items: center; padding: 8px; }
.site-header.scrolled .header-island { box-shadow: inset 0 1px 0 #fff, 0 9px 30px #08272b0b; }
@supports ((backdrop-filter: blur(20px)) or (-webkit-backdrop-filter: blur(20px))) {
  .header-island { background: #f8fbf3a6; backdrop-filter: blur(22px) saturate(125%); -webkit-backdrop-filter: blur(22px) saturate(125%); }
  .site-header.scrolled .header-island { background: #f6f9f1c7; }
}
.site-header .brand { display: block; width: max-content; flex-shrink: 0; border-radius: 3px; }
.site-header .brand img { width: 116px; height: auto; }
.site-header .desktop-nav { display: flex; align-items: center; gap: 25px; margin: 0; padding: 0; border: 0; background: transparent; box-shadow: none; }
.site-header .desktop-nav a { position: relative; display: block; padding: 13px 0; border: 0; border-radius: 0; background: transparent; color: #33483c; font-size: 16px; font-weight: 400; line-height: 1.3; white-space: nowrap; transition: color .2s; }
.site-header .desktop-nav a:hover, .site-header .desktop-nav a[aria-current] { color: #0f766e; }
.site-header .desktop-nav a[aria-current]::after { content: ''; position: absolute; left: 0; right: 0; bottom: 5px; height: 2px; border-radius: 2px; background: #0f766e80; }
.site-header .nav-actions { display: flex; align-items: center; gap: 23px; margin: 0; }
.site-header .login { padding: 12px 0 12px 13px; color: #33483c; font-size: 16px; font-weight: 400; white-space: nowrap; }
.site-header .login:hover { color: #0f766e; }
.site-header .nav-cta { display: inline-flex; align-items: center; justify-content: center; gap: 20px; min-height: 48px; padding: 12px 18px; border: 1px solid #ffffff14; border-radius: 14px; background: #082c2b; color: #fff; font-size: 15px; line-height: 1.3; font-weight: 400; box-shadow: 0 2px 4px #08272b0d; }
.nav-cta-arrow { display: inline-flex; align-items: center; }
.site-header .nav-cta .icon { width: 19px; height: 19px; transform: rotate(-45deg); }
.site-header .nav-cta:hover { background: #10483e; transform: none; box-shadow: 0 4px 12px #08272b12; }
.site-header .menu-button { width: 42px; height: 42px; border: 0; border-radius: 12px; background: transparent; box-shadow: none; }
.menu-lines { display: grid; align-content: center; gap: 6px; width: 18px; height: 24px; }
.menu-lines i { display: block; width: 18px; height: 1.5px; border-radius: 3px; background: #234e40; transition: transform .2s; }
.menu-button[aria-expanded=true] .menu-lines i:first-child { transform: translateY(3.75px) rotate(45deg); }
.menu-button[aria-expanded=true] .menu-lines i:last-child { transform: translateY(-3.75px) rotate(-45deg); }
.site-header .mobile-menu { position: absolute; top: calc(100% + 10px); left: 0; right: 0; margin: 0; padding: 10px; max-height: calc(100dvh - var(--header-bar-height) - var(--header-top) - 30px); overflow-y: auto; }
.site-header .mobile-menu a { display: flex; align-items: center; justify-content: space-between; min-height: 49px; padding: 12px 16px; border: 0; border-radius: 12px; font-size: 17px; line-height: 1.4; color: #264d3f; }
.site-header .mobile-menu a + a { margin-top: 2px; }
.site-header .mobile-menu a[aria-current], .site-header .mobile-menu a:hover { background: #ffffff80; color: #0f766e; }
.site-header .mobile-menu a:last-child { margin-top: 8px; border-top: 1px solid #d5e2d4; border-radius: 0; }
.site-header .mobile-menu .icon { width: 18px; height: 18px; }
.site-header .reading-track { left: 22px; right: 22px; bottom: 0; height: 2px; overflow: hidden; border-radius: 2px; }
.site-header .reading-track > span { background: #0f766e; }
@media (max-width: 1199px) and (min-width: 1024px) {
  .site-header { width: calc(100% - 64px); }
  .header-main { padding-inline: 22px; gap: 32px; }
  .site-header .brand img { width: 110px; }
  .site-header .desktop-nav { gap: 20px; }
  .site-header .desktop-nav a, .site-header .login { font-size: 15px; }
  .site-header .nav-actions { gap: 17px; }
  .site-header .nav-cta { gap: 17px; padding-inline: 17px; font-size: 14px; }
}
@media (max-width: 1023px) {
  :root { --header-top: 14px; --header-bar-height: 68px; --site-header-height: 98px; }
  .site-header { width: calc(100% - 40px); margin-top: 20px; }
  .site-header .desktop-nav { display: none; }
  .header-main { padding-inline: 24px; }
  .header-actions { padding: 8px; }
  .site-header .nav-actions { gap: 15px; }
  .site-header .menu-button { display: flex; }
  .site-header .nav-cta { min-height: 48px; }
}
@media (max-width: 767px) {
  :root { --header-top: 10px; --header-bar-height: 58px; --site-header-height: 82px; }
  .site-header { width: calc(100% - 24px); margin-top: 14px; }
  .site-header .nav-inner { gap: 10px; }
  .header-island { border-radius: 17px; }
  .header-main { padding-inline: 18px; }
  .site-header .brand img { width: 104px; }
  .header-actions { padding: 6px; }
  .site-header .nav-actions { gap: 4px; }
  .site-header .login { display: none; }
  .site-header .nav-cta { min-height: 44px; font-size: 13px; padding: 10px 13px; gap: 12px; border-radius: 12px; }
  .site-header .nav-cta .icon { width: 16px; height: 16px; }
  .site-header .menu-button { width: 37px; height: 40px; }
  .site-header .mobile-menu { border-radius: 17px; }
  .site-header .mobile-menu a { font-size: 16px; }
  .site-header .reading-track { left: 15px; right: 15px; }
}
@media (max-width: 374px) {
  .header-main { padding-inline: 12px; }
  .site-header .brand img { width: 96px; }
  .site-header .nav-cta { font-size: 12px; padding-inline: 10px; gap: 8px; }
  .site-header .menu-button { width: 33px; }
}
@media (prefers-reduced-transparency: reduce) {
  .header-island, .site-header.scrolled .header-island { background: #f2f5ef; backdrop-filter: none; -webkit-backdrop-filter: none; }
}
@media (prefers-reduced-motion: reduce) {
  .header-island, .site-header .desktop-nav a, .menu-lines i { transition: none; }
}