.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: background var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
}

.site-header::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  opacity: 0;
  background: linear-gradient(90deg, transparent, rgba(184, 155, 94, .25), transparent);
  transition: opacity var(--transition-base);
}

.site-header.is-scrolled,
.site-header--solid {
  background: rgba(11, 13, 13, .91);
  backdrop-filter: blur(16px);
}

.site-header.is-scrolled::after,
.site-header--solid::after {
  opacity: 1;
}

.site-header.is-hidden {
  transform: translateY(-100%);
}

.site-header__inner {
  display: flex;
  height: 100%;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand__seal {
  display: grid;
  width: 40px;
  height: 44px;
  place-items: center;
  border: 1px solid rgba(180, 75, 68, .75);
  color: var(--color-paper);
  background: rgba(115, 42, 41, .65);
  font-family: var(--font-serif);
  font-size: 21px;
  line-height: 1;
  box-shadow: inset 0 0 0 3px rgba(180, 75, 68, .12);
  transform: rotate(-2deg);
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.brand__text strong {
  color: var(--color-paper);
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: .16em;
}

.brand__text small {
  color: var(--color-muted);
  font-family: var(--font-serif);
  font-size: 10px;
  letter-spacing: .22em;
}

.global-nav {
  display: flex;
  align-items: center;
  gap: clamp(24px, 3vw, 48px);
}

.global-nav a {
  position: relative;
  padding-block: 10px;
  color: rgba(230, 221, 200, .72);
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: .14em;
  transition: color var(--transition-fast);
}

.global-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 1px;
  background: var(--color-gold-light);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-base);
}

.global-nav a:hover,
.global-nav a.is-current {
  color: var(--color-paper);
}

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

.nav-toggle {
  display: none;
  align-items: center;
  gap: 14px;
  padding: 10px 0 10px 12px;
  color: var(--color-paper);
  background: transparent;
  cursor: pointer;
}

.nav-toggle__label {
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: .15em;
}

.nav-toggle__lines {
  display: grid;
  width: 28px;
  gap: 5px;
}

.nav-toggle__lines i {
  display: block;
  width: 100%;
  height: 1px;
  background: currentColor;
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__lines i:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__lines i:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__lines i:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }

  .global-nav {
    position: fixed;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: grid;
    gap: 0;
    padding: 12px 20px 24px;
    border-bottom: 1px solid rgba(184, 155, 94, .18);
    background: rgba(11, 13, 13, .98);
    transform: translateY(-120%);
    visibility: hidden;
    opacity: 0;
    transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
  }

  .global-nav.is-open {
    transform: translateY(0);
    visibility: visible;
    opacity: 1;
  }

  .global-nav a {
    padding: 17px 12px;
    border-bottom: 1px solid rgba(230, 221, 200, .07);
    font-size: 15px;
  }

  .global-nav a::after {
    display: none;
  }
}

@media (max-width: 480px) {
  .brand__seal {
    width: 34px;
    height: 38px;
    font-size: 18px;
  }

  .brand__text strong {
    font-size: 12px;
  }

  .brand__text small {
    font-size: 9px;
  }

  .nav-toggle__label {
    display: none;
  }
}