/* Shared website navigation */
.site-header { position: relative; z-index: 100; width: 100%; background: #f7fafc; border-bottom: 1px solid #dce8f0; box-shadow: 0 8px 28px rgba(18, 52, 79, .045); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; width: min(100% - 48px, 1360px); min-height: 96px; margin: 0 auto; }
.site-header__brand { display: inline-flex; align-items: center; flex: 0 0 auto; width: 248px; padding: 4px 0; }
.site-header__brand img { display: block; width: 100%; height: auto; max-height: 80px; object-fit: contain; }
.site-header__nav { display: flex; align-items: center; gap: clamp(28px, 3.5vw, 58px); margin-left: auto; }
.site-header__nav ul { display: flex; align-items: center; gap: clamp(16px, 2.15vw, 32px); margin: 0; padding: 0; list-style: none; }
.site-header__nav li { margin: 0; padding: 0; }
.site-header__nav ul a { position: relative; display: inline-block; padding: 11px 0; color: #294e6a; font-family: Arial, Helvetica, sans-serif; font-size: 12px; font-weight: 700; letter-spacing: .11em; line-height: 1.2; text-decoration: none; text-transform: uppercase; transition: color .22s; }
.site-header__nav ul a::after { content: ''; position: absolute; bottom: 4px; left: 0; width: 100%; height: 1px; background: #5b9bc9; transform: scaleX(0); transform-origin: left; transition: transform .25s; }
.site-header__nav ul a:hover, .site-header__nav ul a[aria-current="page"] { color: #4e94c7; }
.site-header__nav ul a:hover::after, .site-header__nav ul a[aria-current="page"]::after { transform: scaleX(1); }
.site-header__book { display: inline-flex; align-items: center; justify-content: center; gap: 22px; min-width: 139px; min-height: 45px; padding: 12px 17px; background: #214d70; color: #fff !important; font-family: Arial, Helvetica, sans-serif; font-size: 11px; font-weight: 700; letter-spacing: .11em; line-height: 1; text-decoration: none; text-transform: uppercase; white-space: nowrap; transition: background .25s, transform .25s; }
.site-header__book:hover { background: #3e84b4; color: #fff; transform: translateY(-2px); }
.site-header__book:active { transform: translateY(1px); }
.site-header__toggle { display: none; align-items: center; justify-content: center; flex-direction: column; gap: 5px; width: 43px; height: 43px; padding: 0; border: 1px solid #a7bfd1; border-radius: 0; background: transparent; color: #214d70; cursor: pointer; }
.site-header__toggle span { display: block; width: 19px; height: 1.5px; background: currentColor; transition: transform .25s, opacity .25s; }
.site-header__toggle[aria-expanded="true"] span:first-child { transform: translateY(6.5px) rotate(45deg); }
.site-header__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.site-header__toggle[aria-expanded="true"] span:last-child { transform: translateY(-6.5px) rotate(-45deg); }
.site-header a:focus-visible, .site-header button:focus-visible { outline: 2px solid #3e84b4; outline-offset: 4px; }
@media (max-width: 991px) {
  .site-header__inner { width: min(100% - 40px, 1360px); min-height: 78px; }
  .site-header__brand { width: 200px; }
  .site-header__brand img { max-height: 66px; }
  .site-header__toggle { display: inline-flex; flex: 0 0 auto; }
  .site-header__nav { display: none; position: absolute; top: 100%; left: 0; right: 0; z-index: 101; flex-direction: column; align-items: stretch; gap: 18px; margin: 0; padding: 24px max(20px, calc((100vw - 1360px) / 2)) 30px; background: #f7fafc; border-top: 1px solid #e0eaf1; box-shadow: 0 24px 38px rgba(18,52,79,.15); }
  .site-header__nav[data-open] { display: flex; }
  .site-header__nav ul { display: flex; flex-direction: column; align-items: stretch; gap: 0; }
  .site-header__nav li { border-bottom: 1px solid #e3edf3; }
  .site-header__nav ul a { display: block; padding: 15px 2px; font-size: 13px; }
  .site-header__nav ul a::after { bottom: 9px; width: 35px; }
  .site-header__book { align-self: flex-start; margin-top: 8px; }
}
@media (max-width: 440px) {
  .site-header__inner { width: min(100% - 32px, 1360px); min-height: 72px; }
  .site-header__brand { width: 177px; }
  .site-header__brand img { max-height: 60px; }
}
@media (prefers-reduced-motion: reduce) {
  .site-header__nav a, .site-header__nav a::after, .site-header__toggle span { transition: none; }
}