/* Header navigation (services and service areas). Shared by every page; markup is written by scripts/build-service-areas.mjs. */
.site-nav { margin-left: auto; margin-right: 20px; }
.nav-list { list-style: none; display: flex; align-items: center; gap: 4px; margin: 0; padding: 0; }
.nav-item { position: relative; }
.nav-link {
    display: inline-flex; align-items: center; gap: 7px;
    background: none; border: 0; cursor: pointer;
    font: 600 0.9rem/1 'Inter', system-ui, sans-serif; color: rgba(255,255,255,0.85);
    padding: 12px 12px; border-radius: 8px;
}
.nav-link:hover, .nav-item.open > .nav-link, .nav-link:focus-visible { color: #F5A623; background: rgba(255,255,255,0.06); }
.nav-link i { font-size: 0.7rem; transition: transform 0.2s; }
.nav-item.open > .nav-link i { transform: rotate(180deg); }
.nav-menu {
    display: none; position: absolute; top: calc(100% + 6px); left: 0; min-width: 250px;
    list-style: none; margin: 0; padding: 8px;
    background: #0d1a3a; border: 1px solid rgba(255,255,255,0.1); border-radius: 12px;
    box-shadow: 0 18px 40px rgba(0,0,0,0.35);
}
.nav-menu.cols-2 { min-width: 380px; display: none; grid-template-columns: 1fr 1fr; }
/* Invisible bridge over the gap between the button and the menu, so moving the mouse down doesn't close it. */
.nav-menu::before { content: ''; position: absolute; left: 0; right: 0; top: -10px; height: 10px; }
.nav-item.open > .nav-menu { display: block; }
.nav-item.open > .nav-menu.cols-2 { display: grid; }
.nav-menu a {
    display: block; padding: 9px 12px; border-radius: 8px;
    color: rgba(255,255,255,0.82); font-size: 0.88rem; font-weight: 500; white-space: nowrap;
}
.nav-menu a:hover, .nav-menu a:focus-visible { background: rgba(255,255,255,0.08); color: #fff; }
.nav-menu a[aria-current="page"] { color: #F5A623; font-weight: 700; }
.nav-menu .nav-all { grid-column: 1 / -1; border-top: 1px solid rgba(255,255,255,0.1); margin-top: 4px; padding-top: 4px; }
.nav-menu .nav-all a { color: #F5A623; font-weight: 700; }
.nav-toggle {
    display: none; width: 40px; height: 40px; border-radius: 8px; border: 0; cursor: pointer;
    background: rgba(255,255,255,0.08); color: white; font-size: 1rem;
    align-items: center; justify-content: center; flex-shrink: 0;
}

/* Tablet and phone: one menu button, both lists shown in a panel under the header */
@media (max-width: 960px) {
    .nav-toggle { display: inline-flex; }
    .site-nav {
        display: none; position: absolute; top: 100%; left: 0; right: 0; margin: 0;
        background: #0b1733; border-bottom: 1px solid rgba(255,255,255,0.1);
        max-height: calc(100vh - 70px); overflow-y: auto; padding: 8px 16px 20px;
        box-shadow: 0 18px 40px rgba(0,0,0,0.35);
    }
    #site-header.nav-open .site-nav { display: block; }
    .nav-list { flex-direction: column; align-items: stretch; gap: 0; }
    .nav-link { width: 100%; justify-content: space-between; padding: 16px 4px; font-size: 1rem; border-radius: 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
    .nav-link:hover { background: none; }
    .nav-menu, .nav-menu.cols-2 { position: static; min-width: 0; box-shadow: none; border: 0; background: none; padding: 4px 0 10px; }
    .nav-menu.cols-2 { grid-template-columns: 1fr 1fr; }
    .nav-menu a { padding: 10px 8px; white-space: normal; }
}
@media (max-width: 420px) {
    #header-book-btn i { display: none; }
    #header-book-btn { padding: 11px 13px; }
}
@media (max-width: 350px) {
    .logo-text { display: none; }
}