/* ============================================================
   NAV — Mobile-first, sticky, z-index safe
   Z-INDEX MAP:
   200 — mobile nav panel
   190 — nav backdrop
   150 — site-header (sticky)
   100 — dropdowns (within header stacking context)
   ============================================================ */

/* ── Top announcement bar ── */
.announcement-bar {
  background: var(--green-900);
  color: rgba(255,255,255,0.92);
  /* FIX: bumped from xs — announcement must be legible */
  font-size: var(--text-sm);
  font-weight: 600;
  text-align: center;
  padding: 0.55rem 1rem;
  letter-spacing: 0.02em;
}
.announcement-bar a { color: var(--gold-light); text-decoration: underline; }

/* ── Header shell — FIXED so it's always visible regardless of ancestor overflow ── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 150;
  background: var(--white);
  box-shadow: 0 1px 0 var(--line);
  transition: box-shadow var(--duration) var(--ease), background var(--duration) var(--ease);
}
.site-header.is-scrolled {
  box-shadow: 0 4px 20px rgba(0,0,0,0.10);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  /* FIX: taller nav = bigger tap targets on mobile */
  height: 72px;
  padding-inline: clamp(1.125rem, 5vw, 2rem);
  max-width: var(--container);
  margin-inline: auto;
}

/* ── Logo ── */
.header-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.header-logo img {
  /* FIX: fluid logo — not too big on mobile, not too small on desktop */
  height: clamp(36px, 5.5vw, 48px);
  width: auto;
}

/* Desktop nav hidden on mobile */
.primary-nav { display: none; }

/* ── Header actions ── */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}
.header-phone {
  display: none;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--charcoal);
  white-space: nowrap;
}
.header-phone i { color: var(--green-700); }
.header-phone:hover { color: var(--green-700); }
.header-cta { display: none; }

/* ── Hamburger — FIX: larger hit target, bolder bars, visible ── */
.nav-toggle {
  /* Minimum 48×48 touch target */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  flex-shrink: 0;
  /* FIX: visible background so it looks like a button */
  background: var(--green-50);
  border: 1px solid var(--green-100);
  transition: background var(--duration), border-color var(--duration);
}
.nav-toggle:hover  { background: var(--green-100); border-color: var(--green-700); }
.nav-toggle:active { background: var(--green-700); }
.nav-toggle:active span { background: var(--white); }

.nav-toggle span {
  display: block;
  /* FIX: wider, thicker bars = clearly visible hamburger */
  width: 24px;
  height: 2.5px;
  background: var(--green-700);
  border-radius: 2px;
  transition: transform 0.22s var(--ease), opacity 0.22s var(--ease), width 0.22s var(--ease);
}
/* Animate to X */
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; width: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8.5px) rotate(-45deg); }

/* ── Mobile nav slide-in panel ── */
.mobile-nav {
  position: fixed;
  inset: 0 0 0 auto;
  width: min(88vw, 380px);
  height: 100dvh;
  background: var(--white);
  z-index: 200;
  transform: translateX(100%);
  transition: transform 0.3s var(--ease);
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: -8px 0 40px rgba(0,0,0,0.18);
  /* FIX: safe area for notched phones */
  padding-bottom: max(env(safe-area-inset-bottom), 1rem);
}
.mobile-nav.is-open { transform: translateX(0); }

.mobile-nav__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--line);
  flex-shrink: 0;
}
.mobile-nav__header img { height: 36px; width: auto; }
.mobile-nav__close {
  /* FIX: larger close target */
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  color: var(--gray-500);
  font-size: 1.2rem;
  transition: background var(--duration), color var(--duration);
}
.mobile-nav__close:hover { background: var(--gray-100); color: var(--charcoal); }

.mobile-nav__body {
  padding: var(--space-3) var(--space-5);
  flex: 1;
}

/* FIX: taller tap targets in mobile nav */
.mobile-nav__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  /* minimum 52px height for comfortable tap */
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--charcoal);
  width: 100%;
  text-align: left;
  transition: color var(--duration);
}
.mobile-nav__link:hover { color: var(--green-700); }
.mobile-nav__link i.chevron {
  color: var(--gray-300);
  transition: transform 0.2s;
  font-size: 0.75em;
  flex-shrink: 0;
}
.mobile-nav__link.is-open i.chevron { transform: rotate(90deg); color: var(--green-700); }

.mobile-nav__dropdown {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s var(--ease);
  background: var(--gray-50);
  border-radius: var(--radius);
  margin-bottom: var(--space-2);
}
.mobile-nav__dropdown.is-open { max-height: 600px; }
.mobile-nav__dropdown a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  /* FIX: decent tap height */
  padding: 0.75rem var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--gray-700);
  border-bottom: 1px solid var(--line);
  transition: color var(--duration), background var(--duration);
}
.mobile-nav__dropdown a:last-child { border-bottom: none; }
.mobile-nav__dropdown a i {
  color: var(--green-700);
  width: 18px;
  text-align: center;
  flex-shrink: 0;
  font-size: 0.95em;
}
.mobile-nav__dropdown a:hover { color: var(--green-700); background: var(--green-50); }
.mobile-nav__dropdown-all {
  font-weight: 700 !important;
  color: var(--green-700) !important;
}

.mobile-nav__footer {
  padding: var(--space-5);
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex-shrink: 0;
}
.mobile-nav__tel {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-weight: 700;
  color: var(--charcoal);
  font-size: var(--text-base);
}
.mobile-nav__tel i { color: var(--green-700); }

/* ── Backdrop ── */
.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10,10,10,0.55);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  z-index: 190;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s var(--ease), visibility 0.3s var(--ease);
}
.nav-backdrop.is-visible { opacity: 1; visibility: visible; }

body.nav-open { overflow: hidden; }

/* ── Mobile floating CTA bar ── */
.mobile-cta-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 140;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--white);
  border-top: 2px solid var(--green-700);
  box-shadow: 0 -4px 24px rgba(0,0,0,0.14);
  /* FIX: account for home indicator on modern iPhones */
  padding-bottom: max(env(safe-area-inset-bottom), 0px);
}
.mobile-cta-bar a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  /* FIX: minimum 56px height for comfortable tap */
  min-height: 56px;
  padding: var(--space-4) var(--space-3);
  font-weight: 700;
  font-size: var(--text-sm);
  letter-spacing: 0.03em;
  transition: background var(--duration), color var(--duration);
}
.mobile-cta-bar__call  { background: var(--green-700); color: var(--white); }
.mobile-cta-bar__call:hover  { background: var(--green-800); }
.mobile-cta-bar__quote { background: var(--gold); color: var(--charcoal); }
.mobile-cta-bar__quote:hover { background: var(--gold-dark); color: var(--white); }

/* ── TABLET (641–960) partial desktop ── */
@media (min-width: 641px) and (max-width: 960px) {
  /* Show phone number in header even on tablet */
  .header-phone { display: flex; }
}

/* ── DESKTOP (961px+) ── */
@media (min-width: 961px) {
  .nav-toggle    { display: none; }
  .mobile-nav    { display: none; }
  .nav-backdrop  { display: none; }
  .mobile-cta-bar { display: none; }

  .header-phone { display: flex; }
  .header-cta   { display: inline-flex; }

  .primary-nav {
    display: flex;
    align-items: center;
    /* FIX: use smaller gap so nav fits at 961–1100px without crowding */
    gap: 2px;
    flex: 1;
    justify-content: center;
  }

  .nav-item { position: relative; }

  .nav-link,
  .nav-trigger {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 0.55rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    border-radius: var(--radius-sm);
    transition: color var(--duration), background var(--duration);
    white-space: nowrap;
  }
  .nav-link:hover,
  .nav-trigger:hover,
  .nav-trigger[aria-expanded="true"] {
    color: var(--green-700);
    background: var(--green-50);
  }
  .nav-link.is-active  { color: var(--green-700); font-weight: 700; }
  .nav-trigger i.chevron {
    font-size: 0.6em;
    color: var(--gray-300);
    transition: transform 0.18s;
  }
  .nav-trigger[aria-expanded="true"] i.chevron { transform: rotate(180deg); }

  /* Dropdown */
  .nav-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(-6px);
    min-width: 240px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-2);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.18s var(--ease), transform 0.18s var(--ease), visibility 0.18s;
  }
  .nav-item.is-open .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
  }
  .nav-dropdown a {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 0.6rem var(--space-3);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--gray-700);
    border-radius: var(--radius-sm);
    transition: background var(--duration), color var(--duration);
  }
  .nav-dropdown a i { color: var(--green-700); width: 16px; text-align: center; flex-shrink: 0; }
  .nav-dropdown a:hover { background: var(--green-50); color: var(--green-700); }
  .nav-dropdown-all {
    border-top: 1px solid var(--line);
    margin-top: var(--space-1);
    padding-top: 0.6rem !important;
    color: var(--green-700) !important;
    font-weight: 700 !important;
  }
}

/* ── Wide desktop — give nav room to breathe ── */
@media (min-width: 1100px) {
  .primary-nav { gap: var(--space-1); }
  .nav-link, .nav-trigger { padding: 0.6rem 0.9rem; font-size: var(--text-sm); }
}

/* ─── FIX: hide announcement bar on very small screens to reduce nav overhead ─── */
@media (max-width: 241+9px) {
  .announcement-bar { display: none; }
}