/* ==========================================================================
   RanKnight — Header / primary navigation (shared, defined once)
   ========================================================================== */

.site-header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--ink) 82%, transparent);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--ink-600);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-4); min-height: 4.5rem;
}
.brand { display: inline-flex; align-items: center; gap: var(--space-2); flex-shrink: 0; }
.brand img { height: 34px; width: auto; }
.brand:focus-visible { outline-offset: 4px; }

/* ---- Desktop nav ---- */
.primary-nav { display: flex; align-items: center; gap: var(--space-5); }
.primary-nav__links { display: flex; align-items: center; gap: var(--space-5); }
.primary-nav__links a {
  font-family: var(--font-display); font-weight: 600; font-size: var(--text-base);
  color: var(--color-text); position: relative; padding-block: .4rem;
  transition: color var(--dur) var(--ease-out);
}
.primary-nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 100%;
  background: var(--color-accent); transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur) var(--ease-out);
}
.primary-nav__links a:hover,
.primary-nav__links a[aria-current="page"] { color: var(--color-heading); }
.primary-nav__links a:hover::after,
.primary-nav__links a[aria-current="page"]::after { transform: scaleX(1); }

.nav-flag { /* the AI-check highlighted link */
  display: inline-flex; align-items: center; gap: .4rem;
  color: var(--color-accent) !important; font-weight: 700 !important;
}
.nav-flag .dot { width: .5rem; height: .5rem; border-radius: 50%; background: var(--color-accent);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--gold) 70%, transparent); animation: pulse 2.4s var(--ease-out) infinite; }
@keyframes pulse { 0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--gold) 60%,transparent);} 70%{box-shadow:0 0 0 8px transparent;} 100%{box-shadow:0 0 0 0 transparent;} }
@media (prefers-reduced-motion: reduce){ .nav-flag .dot{ animation: none; } }

/* ---- Mobile toggle ---- */
.nav-toggle {
  display: none; background: transparent; border: 1.5px solid var(--ink-600);
  border-radius: var(--radius-sm); width: 2.9rem; height: 2.9rem; cursor: pointer;
  align-items: center; justify-content: center;
}
.nav-toggle svg { width: 1.4rem; height: 1.4rem; stroke: var(--color-heading); }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-open { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

@media (max-width: 860px) {
  /* No-JS fallback: nav links are a visible stacked list under the header, always reachable. */
  .primary-nav { flex-direction: column; align-items: stretch; gap: 0; padding-bottom: var(--space-3); }
  .primary-nav__links { flex-direction: column; align-items: stretch; gap: 0; }
  .primary-nav__links a { padding-block: var(--space-3); border-bottom: 1px solid var(--ink-600); }
  .primary-nav__links a::after { display: none; }
  .primary-nav .btn { margin-top: var(--space-4); width: 100%; }

  /* With JS (html.has-js): collapse the list into a toggle-able drawer. */
  .has-js .nav-toggle { display: inline-flex; }
  .has-js .primary-nav {
    position: fixed; inset: 4.5rem 0 auto 0;
    background: var(--ink-800); border-bottom: 1px solid var(--ink-600);
    padding: var(--space-3) var(--gutter) var(--space-5);
    transform: translateY(-120%); transition: transform var(--dur-slow) var(--ease-out);
    max-height: calc(100dvh - 4.5rem); overflow-y: auto;
  }
  .has-js .primary-nav[data-open="true"] { transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) { .has-js .primary-nav { transition: none; } }

/* ---- Header phone (desktop) ---- */
.header-phone {
  display: inline-flex; align-items: center; gap: .5rem; flex-shrink: 0;
  font-family: var(--font-display); font-weight: 700; font-size: var(--text-base);
  color: var(--color-heading); white-space: nowrap;
  padding: .5rem .5rem; border-radius: var(--radius-pill);
  transition: color var(--dur) var(--ease-out);
}
.header-phone svg { width: 1.15rem; height: 1.15rem; color: var(--color-accent); }
.header-phone:hover { color: var(--color-accent-text); }
@media (max-width: 860px) { .header-phone { display: none; } }

/* ---- Sticky mobile call button ---- */
.call-fab {
  position: fixed; z-index: 90; right: 1rem; bottom: 1rem;
  display: none; align-items: center; gap: .55rem;
  background: var(--color-accent); color: var(--color-on-accent);
  font-family: var(--font-display); font-weight: 800; font-size: var(--text-base);
  padding: .85rem 1.25rem; border-radius: var(--radius-pill);
  box-shadow: 0 8px 24px rgba(0,0,0,.35), var(--shadow-gold);
}
.call-fab svg { width: 1.25rem; height: 1.25rem; }
.call-fab:active { transform: translateY(1px); }
@media (max-width: 860px) { .call-fab { display: inline-flex; } }
@supports (padding: max(0px)) {
  @media (max-width: 860px) { .call-fab { bottom: max(1rem, env(safe-area-inset-bottom)); } }
}