/* Public chrome: sticky header with icon menu, phone menu panel, breadcrumbs, footer and the phone call bar. */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 14px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; margin-right: auto; color: var(--ink); }
.brand:hover { color: var(--ink); }
.brand-mark { flex: none; width: 40px; height: 40px; border-radius: 11px; box-shadow: 0 8px 18px -10px rgba(11, 19, 36, 0.6); }
.brand strong { display: block; font-family: var(--font-display); font-size: 1.08rem; line-height: 1.2; letter-spacing: -0.01em; }
.brand small { display: block; font-size: 0.78rem; color: var(--muted); }
.brand, .main-nav a, .header-call { white-space: nowrap; }

/* Desktop menu: icon + label pills */
.main-nav ul, .mobile-nav ul { list-style: none; margin: 0; padding: 0; }
.main-nav ul { display: flex; gap: 2px; }
.main-nav a { display: flex; align-items: center; gap: 6px; padding: 8px; border-radius: 10px; color: var(--ink-soft); font-size: 0.92rem; font-weight: 500; }
.main-nav .icon { width: 18px; height: 18px; color: var(--muted); transition: color 0.15s; }
.main-nav a:hover, .main-nav a[aria-current='page'] { background: var(--brand-tint); color: var(--brand-strong); }
.main-nav a:hover .icon, .main-nav a[aria-current='page'] .icon { color: var(--brand); }

/* Phone menu: pill button, panel of icon rows */
.mobile-nav { display: none; position: relative; }
.mobile-nav summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 16px 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  font-weight: 600;
  list-style: none;
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s;
}
.mobile-nav summary::-webkit-details-marker { display: none; }
.mobile-nav summary .icon { width: 20px; height: 20px; }
.mobile-nav .icon-close, .mobile-nav[open] .icon-open { display: none; }
.mobile-nav[open] .icon-close { display: block; }
.mobile-nav[open] summary { border-color: var(--ink); background: var(--ink); color: #fff; }
.mobile-nav-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  width: min(320px, calc(100vw - 24px));
  padding: 10px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  max-height: calc(100dvh - 90px);
  overflow-y: auto;
  animation: menu-in 0.18s ease-out;
}
@keyframes menu-in { from { opacity: 0; transform: translateY(-6px); } }
.mobile-nav-title { margin: 4px 8px 8px; color: var(--muted); font-size: 0.74rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.mobile-nav-panel ul { display: grid; gap: 2px; }
.mobile-nav-panel a { display: flex; align-items: center; gap: 12px; padding: 8px; border-radius: 14px; color: var(--ink); font-weight: 600; }
.mobile-nav-panel a > span:nth-child(2) { flex: 1; }
.mobile-nav-panel a:hover, .mobile-nav-panel a[aria-current='page'] { background: var(--brand-tint); color: var(--brand-strong); }
.nav-tile { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 11px; background: var(--brand-tint); color: var(--brand); }
.nav-tile .icon { width: 20px; height: 20px; }
.mobile-nav-panel a[aria-current='page'] .nav-tile { background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%); color: #fff; }
.nav-chevron { width: 18px; height: 18px; color: var(--muted); }
@media (max-width: 1240px) {
  .main-nav { display: none; }
  .mobile-nav { display: block; }
}
@media (max-width: 640px) {
  .header-call, .brand small { display: none; }
  .header-inner { min-height: 62px; }
}

/* Breadcrumbs */
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 14px 0 0; list-style: none; font-size: 0.875rem; color: var(--muted); }
.breadcrumbs li + li::before { content: '›'; margin-right: 6px; }
.breadcrumbs a { color: var(--brand); font-weight: 600; }
.breadcrumbs a:hover { color: var(--brand-strong); }

/* Footer: brand + contact, price links, social buttons */
.site-footer {
  margin-top: 48px;
  padding: 56px 0 24px;
  background: radial-gradient(700px 320px at 100% 0%, rgba(20, 184, 166, 0.14), transparent 70%), var(--ink);
  color: #c3cde0;
  font-size: 0.95rem;
}
.site-footer a { color: #e8eef9; }
.site-footer a:hover { color: #5eead4; }
.site-footer ul { margin: 0; padding: 0; list-style: none; }
.site-footer .muted { color: #8d9ab3; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; }
.footer-brand { display: inline-flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.footer-brand strong { display: block; color: #fff; font-family: var(--font-display); font-size: 1.15rem; }
.footer-brand small { display: block; color: #8d9ab3; font-size: 0.82rem; }
.footer-contact, .footer-links { display: grid; gap: 10px; }
.footer-contact li { display: flex; align-items: flex-start; gap: 10px; }
.footer-contact .icon { width: 18px; height: 18px; margin-top: 3px; color: #5eead4; }
.footer-contact a { font-weight: 600; }
.footer-heading { margin: 8px 0 14px; color: #fff; font-family: var(--font-display); font-size: 1rem; font-weight: 600; }
.footer-social { display: flex; gap: 10px; margin-bottom: 18px !important; }
.social-button {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.07);
  transition: background-color 0.15s, border-color 0.15s, transform 0.15s;
}
.social-button:hover { border-color: var(--brand-2); background: var(--brand); color: #fff; transform: translateY(-2px); }
.social-button .icon { width: 20px; height: 20px; }
.footer-map { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; }
.footer-map .icon { width: 18px; height: 18px; color: #5eead4; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 16px; margin-top: 36px; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, 0.1); color: #8d9ab3; font-size: 0.85rem; }
.footer-bottom a { display: inline-flex; align-items: center; gap: 6px; color: #c3cde0; }
.footer-bottom .icon { width: 16px; height: 16px; }
@media (max-width: 800px) {
  .site-footer { padding-top: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px 20px; }
  .footer-about { grid-column: 1 / -1; }
}

/* Call / Zalo bar pinned to the bottom on phones */
.sticky-cta { display: none; }
@media (max-width: 640px) {
  .sticky-cta {
    position: fixed;
    inset: auto 0 0 0;
    z-index: 60;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
    background: rgba(255, 255, 255, 0.97);
    border-top: 1px solid var(--line);
    box-shadow: 0 -6px 20px rgba(19, 33, 58, 0.08);
  }
  body.site { padding-bottom: 76px; }
}
@media (prefers-reduced-motion: reduce) {
  .mobile-nav-panel { animation: none; }
  .social-button:hover { transform: none; }
}