.vsf-header {
  --vsf-header-height: 72px;
  position: sticky;
  z-index: 50;
  top: 0;
  min-height: var(--vsf-header-height);
  border-bottom: 1px solid var(--vsf-line);
  background: color-mix(in srgb, var(--vsf-paper) 96%, transparent);
  color: var(--vsf-ink);
  backdrop-filter: blur(14px);
}

.vsf-header__inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  min-height: var(--vsf-header-height);
  gap: clamp(16px, 2vw, 36px);
}

.vsf-header__wordmark {
  font-family: var(--vsf-display);
  font-size: 1.875rem;
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  letter-spacing: -0.04em;
}

.vsf-nav--desktop {
  min-width: 0;
}

.vsf-nav__list,
.vsf-footer__links {
  padding: 0;
  margin: 0;
  list-style: none;
}

.vsf-nav--desktop .vsf-nav__list {
  display: flex;
  justify-content: center;
  min-width: 0;
  gap: clamp(16px, 2vw, 34px);
}

.vsf-nav a,
.vsf-header__action,
.vsf-header__menu-trigger,
.vsf-mobile-menu__close {
  font-family: var(--vsf-body);
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.04em;
}

.vsf-header__actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.vsf-header__action,
.vsf-nav--desktop a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.vsf-header__menu-trigger {
  display: none;
  align-items: center;
  justify-content: center;
  min-width: 52px;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.vsf-mobile-menu[hidden] {
  display: none;
}

.vsf-mobile-menu {
  position: fixed;
  z-index: 60;
  inset: var(--vsf-header-height) 0 0;
  overflow-y: auto;
  background: var(--vsf-paper);
  color: var(--vsf-ink);
}

.vsf-mobile-menu__panel {
  width: var(--vsf-shell);
  min-height: 100%;
  margin-inline: auto;
  padding-block: var(--vsf-space-3) var(--vsf-space-5);
}

.vsf-mobile-menu__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--vsf-space-3);
  border-bottom: 1px solid var(--vsf-line);
}

.vsf-mobile-menu__label {
  font-family: var(--vsf-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.vsf-mobile-menu__close {
  padding-inline: 12px;
  border: 1px solid var(--vsf-ink);
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.vsf-nav--mobile .vsf-nav__list {
  display: grid;
  padding-block: var(--vsf-space-3);
}

.vsf-nav--mobile li {
  border-bottom: 1px solid var(--vsf-line);
}

.vsf-nav--mobile a {
  display: flex;
  align-items: center;
  min-height: 58px;
  font-family: var(--vsf-display);
  font-size: clamp(1.65rem, 8vw, 2.4rem);
  letter-spacing: -0.025em;
}

.vsf-mobile-menu__utilities {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  padding-top: var(--vsf-space-3);
}

.vsf-mobile-menu__utilities a {
  min-height: 44px;
  font-size: 0.875rem;
}

@media (max-width: 899px) {
  .vsf-header {
    --vsf-header-height: 60px;
  }

  .vsf-header__inner {
    grid-template-columns: auto minmax(0, 1fr) auto auto;
    gap: 12px;
  }

  .vsf-nav--desktop {
    display: none;
  }

  .vsf-header__actions {
    justify-self: end;
  }

  .vsf-header__menu-trigger {
    display: inline-flex;
  }
}

@media (max-width: 599px) {
  .vsf-header__action--desktop {
    display: none;
  }

  .vsf-header__wordmark {
    font-size: 1.65rem;
  }
}

@media (min-width: 900px) {
  .vsf-mobile-menu {
    display: none !important;
  }
}