/* ==========================================================================
   Header, primary nav, and mobile nav drawer
   ========================================================================== */

.site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: var(--z-nav);
  padding-block: var(--space-5);
  background: linear-gradient(to bottom, rgba(10, 8, 6, 0.55), transparent);
  transition: background var(--dur-base) var(--ease), padding var(--dur-base) var(--ease),
    box-shadow var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease);
  border-bottom: 1px solid rgb(255, 255, 255,0.2);
}
/* 
.site-header.is-scrolled {
  padding-block: var(--space-3);
  background: rgba(20, 17, 14, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--border);
}
 */
 .site-header.is-scrolled {
  background: rgba(20, 17, 14, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  
}

.brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  transition: opacity var(--dur-fast) var(--ease);
}

.brand:hover {
  opacity: 0.85;
}

/* ---- Primary nav (desktop) ------------------------------------------- */

.nav {
  display: none;
}

.nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav a {
  position: relative;
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--text);
  padding-block: var(--space-2);
  transition: color var(--dur-fast) var(--ease);
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--gold-light);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur-base) var(--ease);
}

.nav a:hover {
  color: var(--gold-light);
}

.nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* ---- Header actions (phone / CTA / hamburger) ------------------------- */

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-shrink: 0;
}

.header-phone {
  display: none;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  color: var(--text-muted);
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease);
}

.header-phone:hover {
  color: var(--gold-light);
}

.header-cta {
  display: none;
}

/* Hamburger / close toggle — two real icons, only one ever rendered at a
   time. Driven directly off aria-expanded on the button itself (not a
   class elsewhere in the tree), and js/main.js sets that attribute on
   every open/close path: button click, backdrop click, nav-link click,
   and Escape. Self-contained and trivial to verify in devtools. */
.nav-toggle {
  position: relative;
  /* Nested inside .site-header, which already establishes its own
     stacking context (position:fixed + a numeric z-index). A z-index
     here only orders this button against OTHER positioned children of
     the header — it cannot lift it above .mobile-nav/.nav-backdrop,
     which are siblings of .site-header, not descendants. That's what
     --z-nav (above) is for; this is just defensive/self-documenting. */
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

.nav-toggle-open,
.nav-toggle-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  transition: color var(--dur-fast) var(--ease);
}

.nav-toggle:hover .nav-toggle-open,
.nav-toggle:hover .nav-toggle-close {
  color: var(--gold-light);
}

.nav-toggle-close {
  display: none;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-open {
  display: none;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-close {
  display: inline-flex;
}

.nav-toggle[aria-expanded="false"] .nav-toggle-open {
  display: inline-flex;
}

.nav-toggle[aria-expanded="false"] .nav-toggle-close {
  display: none;
}

/* ---- Mobile nav drawer ------------------------------------------------- */

.nav-backdrop {
  position: fixed;
  inset: 0;
  background: var(--overlay-strong);
  opacity: 0;
  pointer-events: none;
  z-index: var(--z-overlay);
  transition: opacity var(--dur-base) var(--ease);
}

html.mobile-nav-open .nav-backdrop {
  opacity: 1;
  pointer-events: auto;
}

html.scroll-locked {
  overflow: hidden;
}

.mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(86vw, 380px);
  background: var(--bg-alt);
  border-left: 1px solid var(--border);
  z-index: calc(var(--z-overlay) + 1);
  /* Top padding is deliberately larger than --space-8 alone: .site-header
     paints above this drawer (see --z-nav), so its content must clear the
     header's own height or the brand wordmark below would double up with
     the header's. 7rem comfortably clears the tallest (non-scrolled)
     header state at every breakpoint. */
  padding: 7rem var(--space-6) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  transform: translateX(100%);
  transition: transform var(--dur-slow) var(--ease);
  overflow-y: auto;
}

html.mobile-nav-open .mobile-nav {
  transform: translateX(0);
}

.mobile-nav-brand {
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--border);
}

.mobile-nav-brand .wordmark-name {
  font-size: 1.625rem;
}

.mobile-nav nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-nav nav a {
  display: block;
  padding-block: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  border-bottom: 1px solid var(--border);
  transition: color var(--dur-fast) var(--ease), padding-left var(--dur-fast) var(--ease);
}

.mobile-nav nav a:hover {
  color: var(--gold-light);
  padding-left: var(--space-2);
}

.mobile-nav-cta {
  width: 100%;
}

.mobile-nav-meta {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
}

.mobile-nav-meta > a {
  font-size: var(--fs-md);
  color: var(--text-muted);
}

.mobile-nav-socials {
  display: flex;
  gap: var(--space-4);
}

.mobile-nav-socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--gold-light);
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.mobile-nav-socials a:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--on-gold);
}

/* ---- Breakpoints -------------------------------------------------------- */

@media (min-width:820px) {
  .header-cta {
    display: none;
  }
}

@media (min-width: 880px) {
  .header-phone {
    display: flex;
  }
}

@media (min-width: 960px) {
  .nav {
    display: block;
  }
  .nav-toggle {
    display: none;
  }
  .mobile-nav,
  .nav-backdrop {
    display: none;
  }
}