/* G-TLD family navigation; original approved visual system remains above. */
.topbar.liquid-surface, .mobile-menu.liquid-surface {
  --glass-ink: #122b34;
  color: #122b34;
  background: rgba(239, 250, 252, .96);
  border-color: rgba(64, 113, 125, .28);
  -webkit-backdrop-filter: blur(12px) saturate(130%);
  backdrop-filter: blur(12px) saturate(130%);
}
.mobile-menu.liquid-surface {
  background: #effafc;
  box-shadow: 0 18px 40px rgba(7, 28, 35, .24);
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
.topbar .desktop-nav a { color: #17313a; font-weight: 700; }
.topbar .desktop-nav a[aria-current="page"] { color: #075b72; }
.topbar .nav-contact { color: #122b34; background: rgba(255, 255, 255, .78); border-color: rgba(64, 113, 125, .28); }
.desktop-nav { gap: clamp(.7rem, 1.6vw, 1.5rem); }
.desktop-nav a[aria-current="page"], .mobile-menu a[aria-current="page"] { color: var(--accent-strong); font-weight: 820; }
.family-choices, .family-page-heading, .family-note, .family-teaser, .family-cta, .legacy-targets { width: var(--container); margin-inline: auto; }
.family-choices { padding: clamp(5rem, 8vw, 8rem) 0; }
.family-kicker { color: var(--accent-strong); font-size: .75rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.family-choices h2, .family-page-heading h1 { margin-top: .9rem; max-width: 15em; font-size: clamp(2.7rem, 5.2vw, 5.2rem); letter-spacing: -.045em; line-height: 1.08; word-break: keep-all; }
.family-choices > p:last-of-type, .family-page-heading > p:last-of-type { max-width: 40rem; margin-top: 1.25rem; color: var(--muted); font-size: clamp(1rem, 1.3vw, 1.16rem); }
.family-choice-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-top: 2.8rem; }
.family-choice { display: flex; flex-direction: column; min-height: 18rem; padding: clamp(1.4rem, 2.4vw, 2.3rem); border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, var(--surface), color-mix(in oklch, var(--accent) 8%, var(--surface))); transition: transform .25s var(--ease), border-color .25s; }
.family-choice:hover { transform: translateY(-4px); border-color: var(--accent); }
.family-choice:focus-visible, .family-cta a:focus-visible, .legacy-targets a:focus-visible { outline: 3px solid var(--accent-strong); outline-offset: 4px; }
.family-choice small { color: var(--accent-strong); font-size: .72rem; font-weight: 800; letter-spacing: .12em; }
.family-choice strong { margin-top: 2.3rem; font-size: clamp(1.55rem, 2vw, 2.15rem); line-height: 1.14; word-break: keep-all; }
.family-choice span { margin-top: .9rem; color: var(--muted); line-height: 1.5; }
.family-choice em { margin-top: auto; padding-top: 1.3rem; font-size: .88rem; font-style: normal; font-weight: 780; }
.family-page-heading { padding: clamp(10rem, 17vw, 15rem) 0 3rem; }
.family-page-heading h1 { max-width: 12em; }
.family-page-heading--compact { padding-bottom: 1rem; }
.family-note { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(1rem, 5vw, 5rem); padding: 2.5rem 0 5rem; border-top: 1px solid var(--line); }
.family-note h2, .family-teaser h2 { font-size: clamp(2rem, 3.2vw, 3.5rem); line-height: 1.1; letter-spacing: -.035em; }
.family-note p, .family-note li, .family-teaser p { color: var(--muted); line-height: 1.7; }
.family-note ul { margin: 0; padding-left: 1.2rem; }
.family-note li + li { margin-top: .65rem; }
.family-teaser { padding: 2rem 0 5rem; }
.family-teaser .case-grid { margin-top: 2rem; }
.family-teaser .case-grid .installation-case { grid-column: auto; }
.family-teaser > a, .family-note a { display: inline-block; margin-top: 1.2rem; color: var(--accent-strong); font-weight: 800; text-decoration: underline; text-underline-offset: .25em; }
.family-cta { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding: 3rem 0 5rem; border-top: 1px solid var(--line); }
.family-cta strong { max-width: 19em; font-size: clamp(1.8rem, 3vw, 3rem); line-height: 1.15; letter-spacing: -.03em; }
.family-cta a { padding: 1rem 1.3rem; border-radius: 999px; background: var(--ink); color: var(--bg); font-weight: 750; white-space: nowrap; }
.legacy-targets { padding: 1.7rem 0 4rem; border-top: 1px solid var(--line); }
.legacy-targets h2 { font-size: 1rem; }
.legacy-targets p { margin-top: .5rem; color: var(--muted); font-size: .87rem; }
.legacy-targets ul { display: flex; flex-wrap: wrap; gap: .8rem 1.3rem; margin: 1rem 0 0; padding: 0; list-style: none; }
.legacy-targets a { color: var(--accent-strong); font-size: .86rem; text-decoration: underline; text-underline-offset: .2em; }
.family-page-heading + .forms, .family-page-heading + .gtld-explore, .family-page-heading + .technology { padding-top: 1rem; }
.family-page-heading + .product-card, .family-note + .product-card { width: var(--container); margin: 0 auto 5rem; }
.family-page-heading + .product-card .product-card__drawing, .family-note + .product-card .product-card__drawing { min-height: 22rem; }
@media (min-width: 901px) and (max-height: 760px) {
  .hero { min-height: max(100dvh, 650px); padding-top: 9.5rem; padding-bottom: 3rem; }
  .hero h1 { font-size: clamp(4rem, 6vw, 5.9rem); }
  .hero-state, .hero-auto { top: 6.35rem; }
}
@media (max-width: 900px) { .family-choice-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 767px) {
  .family-choice-grid, .family-note { grid-template-columns: 1fr; }
  .family-choice { min-height: 14rem; }
  .family-choice strong { margin-top: 1.4rem; }
  .family-page-heading { padding-top: 9rem; }
  .family-cta { align-items: flex-start; flex-direction: column; }
  .family-teaser .case-grid { display: block; }
}
@media (prefers-reduced-motion: reduce) { .family-choice { transition: none; } .family-choice:hover { transform: none; } }