.mobile-services { display: none; }
.nav-links a[aria-current="page"] { color: var(--lime); }

@media (max-width: 720px) {
  .desktop-services { display: none !important; }
  .mobile-services { display: block; width: 100%; }
  .site-header,
  .detail-site-header { position: relative; z-index: 20; }
  .nav { isolation: isolate; }
  .menu { position: relative; z-index: 22; display: grid; place-items: center; width: 44px; height: 44px; padding: 0; border: 1px solid #ffffff35; border-radius: 6px; cursor: pointer; }
  .nav-links.open { z-index: 21; top: calc(100% - 4px); display: flex; gap: 0; max-height: calc(100svh - 82px); padding: 8px; overflow-x: hidden; overflow-y: auto; overscroll-behavior: contain; background: #0b2c42; box-shadow: 0 16px 30px #0005; }
  .nav-links.open > a { display: block; padding: 14px 12px; border-bottom: 1px solid #ffffff18; color: #fff; }
  .mobile-services-toggle { display: flex; width: 100%; align-items: center; justify-content: space-between; padding: 14px 12px; border: 0; border-bottom: 1px solid #ffffff18; background: transparent; color: #fff; font: inherit; text-align: left; cursor: pointer; }
  .mobile-services-toggle span { font-size: 20px; line-height: 1; transition: transform .2s ease; }
  .mobile-services-toggle[aria-expanded="true"] span { transform: rotate(180deg); }
  .mobile-services-submenu { padding: 4px 0 6px 14px; background: #071f30; }
  .mobile-services-submenu[hidden] { display: none; }
  .nav-links.open .mobile-services-submenu a { display: block; padding: 11px 12px; border-bottom: 1px solid #ffffff10; color: #dce7eb; font-size: 13px; }
  .nav-links.open .mobile-services-submenu a:last-child { border-bottom: 0; }
  .mobile-services-toggle:focus-visible,
  .nav-links.open a:focus-visible { outline: 2px solid var(--lime); outline-offset: -3px; }
}

@media (prefers-reduced-motion: reduce) {
  .mobile-services-toggle span { transition: none; }
}

.whatsapp-float { position: fixed; right: 24px; bottom: 24px; z-index: 18; display: grid; place-items: center; width: 58px; height: 58px; border-radius: 50%; background: #25d366; color: #fff; box-shadow: 0 10px 26px rgba(4,34,24,.3); transition: transform .2s ease, box-shadow .2s ease, opacity .2s ease; }
.whatsapp-float svg { width: 31px; height: 31px; fill: currentColor; }
.whatsapp-float:hover { transform: translateY(-2px) scale(1.05); box-shadow: 0 14px 32px rgba(4,34,24,.38); }
.whatsapp-float:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }
body:has(.nav-links.open) .whatsapp-float { opacity: 0; pointer-events: none; }

@media (max-width: 720px) {
  .whatsapp-float { right: 16px; bottom: 16px; width: 54px; height: 54px; }
  .whatsapp-float svg { width: 29px; height: 29px; }
}

@media (prefers-reduced-motion: reduce) {
  .whatsapp-float { transition: none; }
}