.site-header {
  position: relative;
  z-index: 1000;
  background-color: var(--color-ink);
  border-bottom: 1px solid var(--color-slate);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  min-height: 72px;
  padding-block: var(--space-3);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
  text-decoration: none;
  color: var(--color-bone);
}

.brand__mark {
  width: 36px;
  height: 36px;
  object-fit: contain;
  display: block;
}

.brand__text {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
}

.nav-toggle__line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-bone);
  border-radius: 1px;
  transition: transform var(--transition-color), opacity var(--transition-color);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-toggle:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

.site-nav {
  display: flex;
  align-items: center;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  list-style: none !important;
  margin: 0;
  padding: 0;
}

.site-nav__item {
  margin: 0;
  padding: 0;
}

.site-nav__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 var(--space-1);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-bone);
  text-decoration: none;
  position: relative;
  transition: color var(--transition-color);
  white-space: nowrap;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: var(--space-1);
  right: var(--space-1);
  bottom: 0;
  height: 2px;
  background-color: var(--color-felt);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-color);
}

.site-nav__link:hover {
  color: var(--color-bone);
}

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

.site-nav__link:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

@media (max-width: 1023px) {
  .site-header__inner {
    min-height: 64px;
  }

  .brand__mark {
    width: 30px;
    height: 30px;
  }

  .brand__text {
    font-size: 13px;
  }

  .nav-toggle {
    display: flex;
    position: relative;
    z-index: 1002;
  }

  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 85vw);
    background-color: var(--color-charcoal);
    border-left: 1px solid var(--color-slate);
    padding: var(--space-7) var(--space-5);
    transform: translateX(100%);
    transition: transform var(--transition-opacity-transform);
    z-index: 1001;
    overflow-y: auto;
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav.is-open {
    transform: translateX(0);
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-2);
  }

  .site-nav__item {
    width: 100%;
  }

  .site-nav__link {
    display: flex;
    width: 100%;
    min-height: 48px;
    padding: var(--space-3) var(--space-2);
    font-size: 16px;
  }

  .site-nav__link::after {
    left: var(--space-2);
    right: var(--space-2);
  }
}

@media (max-width: 479px) {
  .brand__text {
    display: none;
  }
}