.site-header {
  position: fixed;
  z-index: 1000;
  top: 0;
  right: 0;
  left: 0;
  transition: background 350ms ease, box-shadow 350ms ease, border-color 350ms ease;
}

.site-header.is-scrolled {
  border-bottom: 0.5px solid var(--glass-border);
  background: rgba(248, 244, 239, 0.76);
  box-shadow: 0 8px 28px rgba(61, 43, 31, 0.09);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
}

.nav-shell {
  display: grid;
  width: min(1320px, calc(100vw - 48px));
  height: 94px;
  margin: 0 auto;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 30px;
  transition: height 350ms var(--ease-organic);
}

.is-scrolled .nav-shell {
  height: 76px;
}

.brand-logo {
  justify-self: start;
}

.brand-logo img {
  width: 198px;
  transition: width 350ms var(--ease-organic);
}

.is-scrolled .brand-logo img {
  width: 174px;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  position: relative;
  padding: 34px 0;
  color: rgba(61, 43, 31, 0.72);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  transition: color 200ms ease, padding 350ms ease;
}

.is-scrolled .nav-link {
  padding: 25px 0;
}

.nav-link::after {
  position: absolute;
  right: 0;
  bottom: 26px;
  left: 0;
  height: 1px;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  background: var(--oak-gold);
  transition: transform 250ms var(--ease-organic), bottom 350ms ease;
}

.is-scrolled .nav-link::after {
  bottom: 18px;
}

.nav-link:hover,
.nav-link.active {
  color: var(--walnut);
}

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

.nav-services {
  position: relative;
}

.nav-services .nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.dropdown-panel {
  position: absolute;
  top: calc(100% - 7px);
  left: 50%;
  width: 540px;
  padding: 18px;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%) translateY(-8px);
  clip-path: inset(0 0 100% 0 round 20px);
  transition: clip-path 420ms cubic-bezier(0.34, 1.56, 0.64, 1), opacity 240ms ease, transform 420ms var(--ease-organic);
}

.nav-services:hover .dropdown-panel,
.nav-services:focus-within .dropdown-panel,
.nav-services.is-open .dropdown-panel {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
  clip-path: inset(0 0 0 0 round 20px);
}

.dropdown-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 5px;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px;
  border-radius: 12px;
  color: rgba(61, 43, 31, 0.78);
  font-size: 0.82rem;
  font-weight: 500;
  transition: color 200ms ease, background 200ms ease, transform 200ms ease;
}

.dropdown-item svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: var(--oak-gold);
  stroke-width: 1.4;
}

.dropdown-item:hover {
  color: var(--walnut);
  transform: translateX(3px);
  background: rgba(197, 160, 89, 0.12);
}

.nav-cta {
  min-height: 44px;
  justify-self: end;
  padding: 0 22px;
  font-size: 0.7rem;
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  place-items: center;
  padding: 0;
  border: 1px solid rgba(61, 43, 31, 0.16);
  border-radius: 50%;
  background: rgba(248, 244, 239, 0.5);
}

.menu-toggle-lines,
.menu-toggle-lines::before,
.menu-toggle-lines::after {
  display: block;
  width: 19px;
  height: 1.5px;
  content: "";
  background: var(--walnut);
  transition: transform 280ms ease, opacity 200ms ease;
}

.menu-toggle-lines {
  position: relative;
}

.menu-toggle-lines::before {
  position: absolute;
  transform: translateY(-6px);
}

.menu-toggle-lines::after {
  position: absolute;
  transform: translateY(6px);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-lines {
  background: transparent;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-lines::before {
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-lines::after {
  transform: rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  z-index: 999;
  inset: 0;
  display: grid;
  align-items: center;
  padding: 112px 24px 40px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-12px);
  color: var(--ivory);
  background: rgba(33, 23, 17, 0.97);
  transition: opacity 300ms ease, transform 350ms var(--ease-organic);
}

.mobile-menu.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.mobile-menu-inner {
  display: grid;
  width: min(100%, 520px);
  margin: 0 auto;
  gap: 12px;
}

.mobile-link,
.mobile-accordion-toggle {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
  border: 0;
  color: var(--ivory);
  background: transparent;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 11vw, 4.5rem);
  line-height: 1;
  text-align: left;
}

.mobile-link.active {
  color: var(--oak-light);
}

.mobile-submenu {
  display: grid;
  max-height: 0;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 16px;
  overflow: hidden;
  transition: max-height 400ms var(--ease-organic), padding 300ms ease;
}

.mobile-submenu.is-open {
  max-height: 290px;
  padding: 10px 0 18px;
}

.mobile-submenu a {
  padding: 8px 0;
  color: var(--oak-light);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

@media (max-width: 1050px) {
  .desktop-nav,
  .nav-cta {
    display: none;
  }

  .nav-shell {
    width: min(100% - 32px, 900px);
    height: 80px;
    grid-template-columns: 1fr auto;
  }

  .brand-logo img,
  .is-scrolled .brand-logo img {
    width: 176px;
  }

  .menu-toggle {
    display: grid;
  }
}

@media (max-width: 600px) {
  .nav-shell {
    width: calc(100% - 24px);
  }

  .brand-logo img,
  .is-scrolled .brand-logo img {
    width: 158px;
  }
}