.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  isolation: isolate;
  border-bottom: 1px solid var(--border-bronze);
  background: rgba(16, 36, 31, 0.97);
  color: var(--color-ivory);
}

.site-header__counter {
  position: absolute;
  right: 0;
  bottom: 2.1rem;
  left: 0;
  z-index: -1;
  height: 1px;
  background: var(--border-bronze);
}

.site-header__counter::after {
  position: absolute;
  right: max(3rem, calc((100% - var(--container-max)) / 2));
  bottom: -8px;
  width: 34px;
  height: 16px;
  border: 1px solid var(--border-bronze);
  border-top: 0;
  border-radius: 0 0 22px 22px;
  content: "";
}

.site-header__inner {
  display: grid;
  grid-template-columns: minmax(0, auto) minmax(0, 1fr) auto;
  align-items: center;
  min-height: 5.5rem;
  gap: 1.25rem;
}

.site-header__brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 0.7rem;
  color: var(--color-ivory);
  text-decoration: none;
}

.site-header__logo {
  flex: 0 0 auto;
  width: 2.625rem;
  height: 2.625rem;
  object-fit: contain;
}

.site-header__brand-copy {
  display: grid;
  min-width: 0;
  gap: 0.12rem;
}

.site-header__brand-name {
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  line-height: 1.1;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-header__brand-tagline,
.site-header__mobile-tagline {
  color: var(--color-hazelnut);
  font-size: 0.54rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.25;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-header__nav {
  min-width: 0;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.9rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header__nav-list li,
.site-header__nav-list li + li {
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0;
}

.site-header__nav-list a {
  position: relative;
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  color: var(--color-hazelnut);
  font-size: 0.67rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.15;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-header__nav-list a::after {
  position: absolute;
  right: 0;
  bottom: 0.25rem;
  left: 0;
  height: 1px;
  background: var(--color-bronze);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}

.site-header__nav-list a:hover,
.site-header__nav-list a[aria-current="page"] {
  color: var(--color-ivory);
}

.site-header__nav-list a:hover::before,
.site-header__nav-list a[aria-current="page"]::before {
  width: 0.28rem;
  height: 0.28rem;
  margin-right: 0.35rem;
  border-radius: 50%;
  background: var(--color-bronze);
  content: "";
}

.site-header__nav-list a:hover::after,
.site-header__nav-list a[aria-current="page"]::after {
  transform: scaleX(1);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.site-header__cta {
  min-width: max-content;
  width: auto;
}

.site-header__toggle,
.site-header__mobile-cta,
.site-header__mobile-tagline {
  display: none;
}

.site-header__proof {
  display: flex;
  min-height: 2.05rem;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  overflow: hidden;
  padding-inline: var(--container-gutter);
  border-top: 1px solid rgba(164, 119, 77, 0.25);
  color: var(--color-hazelnut);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  line-height: 1.2;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-header :focus-visible {
  outline: 2px solid var(--color-ivory);
  outline-offset: 3px;
}

@media (max-width: 1199px) {
  .site-header__nav-list {
    gap: 0.65rem;
  }

  .site-header__nav-list a {
    font-size: 0.6rem;
  }
}

@media (max-width: 999px) {
  .site-header__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    min-height: 4.75rem;
  }

  .site-header__counter {
    bottom: 0;
  }

  .site-header__counter::after {
    right: var(--container-gutter);
  }

  .site-header__brand-tagline,
  .site-header__cta {
    display: none;
  }

  .site-header__toggle {
    display: inline-flex;
    width: 2.75rem;
    height: 2.75rem;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 1px solid var(--border-bronze);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--color-ivory);
    z-index: 102;
  }

  .site-header__toggle-lines {
    display: grid;
    width: 1.15rem;
    gap: 0.25rem;
  }

  .site-header__toggle-lines span {
    display: block;
    height: 1px;
    background: currentColor;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
  }

  .site-header__toggle[aria-expanded="true"] .site-header__toggle-lines span:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
  }

  .site-header__toggle[aria-expanded="true"] .site-header__toggle-lines span:nth-child(2) {
    opacity: 0;
  }

  .site-header__toggle[aria-expanded="true"] .site-header__toggle-lines span:nth-child(3) {
    transform: translateY(-5px) rotate(-45deg);
  }

  .site-header__nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 101;
    display: flex;
    width: min(100%, 31rem);
    flex-direction: column;
    overflow-y: auto;
    padding: 7rem var(--container-gutter) max(1.5rem, env(safe-area-inset-bottom));
    border-left: 1px solid var(--border-bronze);
    background: var(--color-tilleul-deep);
    box-shadow: var(--shadow-surface);
    opacity: 0;
    pointer-events: none;
    transform: translateX(100%);
    transition: opacity 160ms ease, transform 220ms ease;
  }

  .site-header__nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0);
  }

  .site-header__nav-list {
    display: grid;
    align-items: stretch;
    justify-content: stretch;
    gap: 0;
    margin: 0;
    padding: 0;
  }

  .site-header__nav-list li,
  .site-header__nav-list li + li {
    display: block;
    border-bottom: 1px solid rgba(104, 113, 109, 0.45);
  }

  .site-header__nav-list a {
    width: 100%;
    min-height: 3rem;
    font-size: 0.75rem;
  }

  .site-header__mobile-tagline {
    display: block;
    margin: 1.5rem 0;
    white-space: normal;
  }

  .site-header__mobile-cta {
    display: inline-flex;
    width: 100%;
    margin-top: auto;
  }

  .site-header__proof {
    justify-content: flex-start;
  }

  body.site-header-menu-open {
    overflow: hidden;
  }
}

@media (max-width: 679px) {
  .site-header__inner {
    min-height: 4.25rem;
  }

  .site-header__logo {
    width: 2.125rem;
    height: 2.125rem;
  }

  .site-header__brand-name {
    font-size: 0.75rem;
    letter-spacing: 0.12em;
  }

  .site-header__proof {
    justify-content: flex-start;
    font-size: 0.54rem;
  }
}