/* =====================================================================
   HEADER — sticky nav, logo, primary nav, hamburger, mobile drawer
   ===================================================================== */

header.site {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(244, 241, 232, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--hairline);
}

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.brand-logo { height: 60px; width: auto; display: block; }

nav.primary {
  display: flex;
  gap: 2rem;
  font-size: 0.92rem;
  font-weight: 600;
}
nav.primary a {
  position: relative;
  padding: 0.2rem 0;
  color: var(--charcoal);
  text-decoration: none;
}
nav.primary a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width 0.25s;
}
nav.primary a:hover::after,
nav.primary a.active::after,
nav.primary a[aria-current="page"]::after { width: 100%; }
nav.primary a.active,
nav.primary a[aria-current="page"] { color: var(--navy); }

.header-cta { font-size: 0.9rem; padding: 0.62em 1.2em; }

/* hamburger button */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
  color: var(--charcoal);
  flex-direction: column;
  gap: 5px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  transition: transform 0.25s, opacity 0.2s;
}

/* mobile nav drawer */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 49;
  background: var(--cream);
  padding: 100px 22px 2rem;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.3s var(--ease-out);
}
.mobile-nav.is-open { transform: none; }
.mobile-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.2rem;
}
.mobile-nav ul a {
  display: block;
  font-family: var(--serif);
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--navy);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--hairline);
}
.mobile-nav .mobile-cta {
  margin-top: 2.5rem;
}

@media (max-width: 920px) {
  nav.primary { display: none; }
  .header-cta { display: none; }
  .hamburger { display: flex; }
  .mobile-nav { display: block; }
}

/* hamburger → X when open */
.hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }