/* ========================================= */
/* NAVBAR SECTION */
/* ========================================= */
.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  background: rgba(243, 240, 232, 0.82); /* Translucent var(--paper) */
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(21, 23, 19, 0.06);
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.site-header.is-scrolled {
  background: rgba(243, 240, 232, 0.95);
  box-shadow: 0 10px 45px rgba(11, 46, 29, 0.04);
  border-bottom-color: rgba(21, 23, 19, 0.1);
}
body.nav-open .site-header {
  background: transparent !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  box-shadow: none !important;
  border-bottom-color: transparent !important;
  z-index: 130;
}
body.nav-open .brand,
body.nav-open .cart-toggle {
  opacity: 0 !important;
  pointer-events: none !important;
}
.navbar {
  position: relative;
  display: grid;
  height: 5.6rem; /* Starting height for spaciousness */
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  transition: height 0.4s var(--ease);
}
.site-header.is-scrolled .navbar {
  height: 4.4rem; /* Shrinks smoothly when scrolled down */
}
.brand {
  display: flex;
  align-items: center;
  width: max-content;
  transition: opacity 0.3s var(--ease);
}
.brand__logo {
  display: block;
  width: auto;
  height: 3.6rem;
  object-fit: contain;
  transition: height 0.4s var(--ease);
}
.site-header.is-scrolled .brand__logo {
  height: 2.9rem; /* Logo scales down on scroll */
}
.brand__seal {
  display: grid;
  width: 2.3rem;
  height: 2.3rem;
  place-items: center;
  border: 1px solid var(--forest);
  border-radius: 50%;
  font-family: var(--serif);
  font-size: 0.75rem;
  font-style: italic;
}
.brand strong {
  display: block;
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1;
}
.brand small {
  display: block;
  margin-top: 0.25rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.47rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.nav-menu {
  display: flex;
  gap: 2.4rem;
  align-items: center;
}
.nav-menu a {
  position: relative;
  font-size: 0.88rem; /* Bumped from 0.72rem for readability */
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.01em;
  transition: color 0.3s var(--ease);
}
.nav-menu a:hover {
  color: var(--forest);
}
/* Active state indicators */
.nav-menu a.is-active {
  color: var(--forest);
  font-weight: 600;
}
/* Animated underline — wipes in from the left on hover / active */
.nav-menu a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.4rem;
  width: 100%;
  height: 1.5px;
  background: var(--forest);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s var(--ease);
}
.nav-menu a.is-active::after {
  transform: scaleX(1);
  background: var(--gold); /* Gold line for active tab */
  transform-origin: left;
}
.nav-menu a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}
/* Drawer-only elements — hidden on desktop */
.nav-menu__label,
.nav-menu__cta,
.nav-menu__meta,
.nav-overlay {
  display: none;
}
.nav-buy {
  justify-self: end;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--forest);
  font-size: 0.72rem;
  font-weight: 600;
}
.nav-toggle {
  display: none;
  justify-self: end;
  position: relative;
  width: 2.9rem;
  height: 2.9rem;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--forest);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.nav-toggle:hover {
  border-color: var(--forest);
}
.nav-toggle.is-open {
  border-color: var(--forest);
}
.nav-toggle__icon {
  grid-area: 1 / 1;
  width: 1.4rem;
  height: 1.4rem;
  transition: opacity 0.25s var(--ease), transform 0.3s var(--ease);
}
.nav-toggle__close {
  opacity: 0;
  transform: rotate(-90deg);
}
.nav-toggle.is-open .nav-toggle__menu {
  opacity: 0;
  transform: rotate(90deg);
}
.nav-toggle.is-open .nav-toggle__close {
  opacity: 1;
  transform: rotate(0);
}
/* END NAVBAR SECTION */