.sp-header {
  position: relative;
  z-index: 900;
  border-bottom: var(--border-structural);
  background: var(--color-obsidian);
  color: var(--color-pale-bone);
}

.sp-header__inner {
  display: flex;
  align-items: center;
  min-width: 0;
  min-height: 5.5rem;
  gap: var(--space-5);
}

.sp-header__brand {
  flex: 0 1 auto;
  min-width: 0;
}

.sp-header__logo {
  flex: 0 0 auto;
  width: 3rem;
  height: 3rem;
  object-fit: contain;
  object-position: center;
}

.sp-header__navigation {
  display: flex;
  flex: 1 1 auto;
  align-items: center;
  justify-content: space-between;
  min-width: 0;
  gap: var(--space-5);
}

.sp-header__links,
.sp-header__actions {
  display: flex;
  align-items: center;
  min-width: 0;
  margin: 0;
  padding: 0;
}

.sp-header__links {
  gap: clamp(0.75rem, 1.5vw, 1.5rem);
}

.sp-header__links li,
.sp-header__links li + li {
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0;
}

.sp-header__links a,
.sp-header__contact {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--color-pale-bone);
  font-size: var(--text-caption);
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
}

.sp-header__links a::after,
.sp-header__contact::after {
  position: absolute;
  right: 0;
  bottom: 0.35rem;
  left: 0;
  height: 1px;
  background: var(--color-aged-copper);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.sp-header__links a,
.sp-header__contact {
  position: relative;
}

.sp-header__links a:hover::after,
.sp-header__links a[aria-current="page"]::after,
.sp-header__contact:hover::after {
  transform: scaleX(1);
}

.sp-header__links a[aria-current="page"] {
  color: var(--color-aged-copper);
}

.sp-header__actions {
  flex: 0 0 auto;
  gap: var(--space-3);
}

.sp-header__contact {
  text-transform: lowercase;
}

.sp-header__actions .button {
  flex: 0 0 auto;
  white-space: nowrap;
}

.sp-header__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 2.75rem;
  min-width: 2.75rem;
  height: 2.75rem;
  gap: 0.3125rem;
  padding: 0.625rem;
  border: var(--border-copper);
  border-radius: var(--radius-control);
  background: transparent;
  color: var(--color-aged-copper);
}

.sp-header__toggle span {
  display: block;
  width: 1.25rem;
  height: 1px;
  background: currentColor;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.sp-header__toggle.is-open span:nth-child(1) {
  transform: translateY(0.375rem) rotate(45deg);
}

.sp-header__toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.sp-header__toggle.is-open span:nth-child(3) {
  transform: translateY(-0.375rem) rotate(-45deg);
}

@media (max-width: 1099px) {
  .sp-header__inner {
    min-height: 5rem;
    justify-content: space-between;
  }

  .sp-header__logo {
    width: 2.75rem;
    height: 2.75rem;
  }

  .sp-header__toggle {
    display: inline-flex;
  }

  .sp-header__navigation {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-content: start;
    max-height: calc(100dvh - 5rem);
    overflow-y: auto;
    overflow-x: hidden;
    border-bottom: var(--border-copper);
    background: var(--color-obsidian);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-0.5rem);
    transition: opacity var(--transition-base), transform var(--transition-base);
  }

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

  .sp-header__links {
    display: grid;
    gap: 0;
    padding: var(--space-4) var(--container-gutter);
    border-top: var(--border-structural);
  }

  .sp-header__links li,
  .sp-header__links li + li {
    display: block;
    border-bottom: var(--border-structural);
  }

  .sp-header__links a {
    width: 100%;
    min-height: 3.25rem;
    font-size: var(--text-small);
  }

  .sp-header__links a::after,
  .sp-header__contact::after {
    display: none;
  }

  .sp-header__actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-3);
    padding: 0 var(--container-gutter) var(--space-5);
  }

  .sp-header__contact {
    min-height: 2.75rem;
  }

  .sp-menu-open {
    overflow: hidden;
  }
}

@media (max-width: 759px) {
  .sp-header__inner {
    gap: var(--space-3);
  }

  .sp-header__logo {
    width: 2.5rem;
    height: 2.5rem;
  }

  .sp-header__brand .rt-brand__name {
    font-size: 1.25rem;
  }

  .sp-header__actions {
    grid-template-columns: 1fr;
  }

  .sp-header__contact {
    justify-content: center;
    border: var(--border-copper);
    padding-inline: var(--space-4);
  }
}

@media (prefers-reduced-motion: reduce) {
  .sp-header__navigation,
  .sp-header__toggle span {
    transition: none;
  }
}

ul { list-style: none !important; }
.nav-toggle { flex-direction: column; }