/*
 * Header & Navigation
 */

/* ── Site Header ────────────────────────────────────────────────── */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  padding-block: var(--space-4);
  transition:
    background-color var(--transition-slow),
    backdrop-filter var(--transition-slow),
    padding var(--transition-slow),
    box-shadow var(--transition-slow);
}

/* WP admin bar offset — only fires when logged in (body.admin-bar) */
.admin-bar .site-header {
  top: 32px;
}
@media screen and (max-width: 782px) {
  .admin-bar .site-header {
    top: 46px;
  }
}
@media screen and (max-width: 600px) {
  /* WP core switches the admin bar to position:absolute below 600px */
  .admin-bar .site-header {
    top: 0;
  }
}

/* Transparent on hero */
.site-header--transparent {
  background-color: transparent;
}

/* Solid on scroll */
.site-header--solid {
  background-color: var(--color-prussian);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
  padding-block: var(--space-3);
}

/* Inner layout */
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

/* ── Logo ────────────────────────────────────────────────────────── */

.site-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

.site-logo__image {
  height: 44px;
  width: auto;
  transition: opacity var(--transition-base);
}

.site-logo:hover .site-logo__image {
  opacity: 0.85;
}

/* Text fallback logo */
.site-logo__text {
  font-family: var(--font-display);
  /* Fluid so the wordmark never crowds the nav toggle on small screens.
   * Caps at the 36px design size; shrinks toward 24px on narrow phones. */
  font-size: clamp(1.5rem, 6vw, var(--text-4xl));
  letter-spacing: var(--tracking-widest);
  color: var(--color-white);
  text-transform: uppercase;
  line-height: 1;
  white-space: nowrap;
}

.site-logo__text span {
  color: var(--color-verdigris);
}

/* ── Primary Navigation ──────────────────────────────────────────── */

.nav-primary {
  display: flex;
  align-items: center;
  margin-left: auto; /* push nav to the far right, away from the logo */
}

.nav-primary .menu {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-primary .menu-item a {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  padding-block: var(--space-2);
  position: relative;
  transition: color var(--transition-base);
}

.nav-primary .menu-item a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-verdigris);
  transition: width var(--transition-base);
  border-radius: var(--radius-full);
}

.nav-primary .menu-item a:hover {
  color: var(--color-white);
}

.nav-primary .menu-item a:hover::after,
.nav-primary .menu-item.current-menu-item > a::after,
.nav-primary .menu-item.current-page-ancestor > a::after {
  width: 100%;
}

.nav-primary .menu-item.current-menu-item > a {
  color: var(--color-white);
}

/* Book CTA in nav */
.nav-primary .menu-item--cta > a {
  color: var(--color-white);
  background: var(--color-verdigris-ink);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  transition: background var(--transition-base), transform var(--transition-fast);
}

.nav-primary .menu-item--cta > a::after { display: none; }

.nav-primary .menu-item--cta > a:hover {
  background: var(--color-verdigris-hover);
  transform: translateY(-1px);
}

/* ── Mobile Nav Toggle ───────────────────────────────────────────── */

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: var(--z-nav);
}

.nav-toggle__bar {
  width: 26px;
  height: 2px;
  background: var(--color-white);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base);
  transform-origin: center;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ── Mobile Menu ─────────────────────────────────────────────────── */

/* Breakpoint set at 1150px: the full horizontal menu (six items, incl. the
 * wide "Testimonials") plus the wordmark needs ~1154px to fit, so it overflows
 * on small laptops/tablets. Switch to the hamburger below that. */
@media (max-width: 1150px) {
  .nav-toggle {
    display: flex;
  }

  /* Tighten the header row so the wordmark + toggle fit on phones. */
  .site-header__inner {
    gap: var(--space-4);
  }

  .nav-primary {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 90vw);
    background: var(--color-prussian);
    padding: var(--space-20) var(--space-8) var(--space-8);
    flex-direction: column;
    align-items: flex-start;
    transform: translateX(100%);
    transition: transform var(--transition-slower);
    box-shadow: -4px 0 40px rgba(0, 0, 0, 0.3);
    overflow-y: auto;
  }

  .nav-primary.is-open {
    transform: translateX(0);
  }

  .nav-primary .menu {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    width: 100%;
  }

  .nav-primary .menu-item {
    width: 100%;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  .nav-primary .menu-item a {
    display: block;
    padding: var(--space-4) 0;
    font-size: var(--text-sm);
  }

  .nav-primary .menu-item--cta > a {
    display: inline-flex;
    margin-top: var(--space-4);
    padding: var(--space-3) var(--space-6);
  }

  /* Overlay behind mobile menu */
  .nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-nav) - 1);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
  }

  .nav-overlay.is-visible {
    opacity: 1;
    pointer-events: all;
  }
}