/* Shared navigation and footer on the home, service and information pages. */
.header { z-index: 1200; }
.header-container { gap: 28px; }
.header-container > nav { margin-inline: auto; }
.nav-list { gap: clamp(14px,2vw,28px); }
.nav-link[aria-current="page"] { color: var(--accent-gold); }
.nav-dropdown { position: relative; }
.nav-dropdown > summary { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; list-style: none; }
.nav-dropdown > summary::-webkit-details-marker { display: none; }
.nav-dropdown > summary::marker { content: ''; }
.nav-dropdown > summary i { font-size: .62rem; transition: transform .2s ease; }
.nav-dropdown[open] > summary i { transform: rotate(180deg); }
.mobile-menu-btn svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 2; }
.mobile-menu-btn .menu-line-top,.mobile-menu-btn .menu-line-middle,.mobile-menu-btn .menu-line-bottom { transform-box: fill-box; transform-origin: center; transition: transform .2s ease,opacity .2s ease; }
.mobile-menu-btn[aria-expanded='true'] .menu-line-top { transform: translateY(6px) rotate(45deg); }
.mobile-menu-btn[aria-expanded='true'] .menu-line-middle { opacity: 0; }
.mobile-menu-btn[aria-expanded='true'] .menu-line-bottom { transform: translateY(-6px) rotate(-45deg); }
.nav-submenu { position: absolute; z-index: 5; top: calc(100% + 18px); left: -18px; display: grid; gap: 2px; width: max-content; min-width: 280px; max-width: min(360px,90vw); padding: 9px; background: #111722; border: 1px solid rgba(255,255,255,.12); border-radius: 6px; box-shadow: 0 18px 38px rgba(0,0,0,.28); }
.nav-submenu a { display: block; padding: 10px 12px; color: var(--text-dark-secondary); font-size: .82rem; line-height: 1.45; border-radius: 4px; }
.nav-submenu a:hover,.nav-submenu a[aria-current="page"] { color: var(--accent-gold); background: rgba(255,255,255,.045); }
.nav-dropdown:not([open]) > summary:focus-visible,.nav-submenu a:focus-visible { outline: 2px solid var(--accent-gold); outline-offset: 4px; }
.nav-dropdown[open] > summary:focus-visible { outline: none; text-decoration: underline; text-decoration-color: var(--accent-gold); text-underline-offset: 6px; }
.footer-grid { grid-template-columns: minmax(200px,1.15fr) minmax(120px,.7fr) minmax(300px,1.55fr) minmax(190px,1fr); gap: 34px; }
.footer-nav-list--services { display: grid; grid-template-columns: minmax(0,1fr); row-gap: 10px; }
.footer-nav-list--services .footer-nav-link { overflow-wrap: anywhere; }
@media (max-width: 1100px) {
  .header-container { gap: 18px; }
  .header-btn { display: none; }
  .footer-grid { grid-template-columns: minmax(180px,1fr) minmax(130px,.75fr) minmax(300px,1.5fr); }
  .footer-grid > :last-child { grid-column: 2 / 4; }
}
@media (max-width: 900px) {
  .header-container > nav { margin-inline: 0; }
  .nav-list { position: absolute; top: 100%; left: 0; display: flex; width: 100%; max-height: calc(100dvh - 82px); flex-direction: column; align-items: stretch; gap: 2px; padding: 14px 24px 24px; overflow: auto; background: var(--bg-dark-flat); border-bottom: 1px solid var(--border-dark); box-shadow: 0 18px 35px rgba(0,0,0,.24); visibility: hidden; pointer-events: none; transform: translateY(-12px); opacity: 0; transition: opacity .2s ease,transform .2s ease,visibility .2s; }
  .nav-list.active { visibility: visible; pointer-events: auto; transform: translateY(0); opacity: 1; }
  .nav-list > li { width: 100%; }
  .nav-list .nav-link { display: flex; align-items: center; min-height: 46px; padding: 8px 4px; }
  .nav-dropdown { width: 100%; }
  .nav-dropdown > summary { justify-content: space-between; }
  .nav-submenu { position: static; display: none; width: 100%; max-width: none; min-width: 0; padding: 0 0 10px 12px; border: 0; border-radius: 0; background: transparent; box-shadow: none; }
  .nav-dropdown[open] > .nav-submenu { display: grid; }
  .nav-submenu a { padding: 9px 12px; }
  .mobile-menu-btn { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; }
  .footer-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 32px 40px; }
  .footer-grid > :last-child { grid-column: auto; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 28px 22px; }
  .footer-brand-column,.footer-grid > :last-child { grid-column: 1 / -1; }
}
@media (prefers-reduced-motion: reduce) {
  .nav-dropdown > summary i,.nav-list,.mobile-menu-btn svg path { transition: none; }
}