.header.site-header {
  position: sticky;
  inset: 0 0 auto;
  z-index: var(--z-header);
  top: 0;
  border-bottom: var(--border-medium) solid var(--line);
  background: var(--color-paper-deep);
  backdrop-filter: blur(16px);
}

.header.site-header .wrap {
  width: min(calc(100% - (var(--gutter) * 2)), var(--max-w));
}

.header-inner {
  display: flex;
  min-height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-xl);
  padding-block: var(--sp-sm);
}

.logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-sm);
  color: var(--ink);
  text-decoration: none;
}

.header.site-header .logo {
  width: auto;
  height: clamp(3rem, 4.8vw, 4.25rem);
  object-fit: contain;
}

.logo-text {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
}

.nav.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-width: 0;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(var(--sp-md), 3vw, var(--sp-xl));
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list a {
  display: inline-flex;
  align-items: center;
  min-height: 2.5rem;
  border-bottom: var(--border-medium) solid transparent;
  color: var(--muted-strong);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  transition: color var(--ease-fast), border-color var(--ease-fast);
}

.nav-list a:hover,
.nav-list a:focus,
.nav-list .current-menu-item > a,
.nav-list .current_page_item > a,
.nav-list .current-menu-parent > a {
  border-color: var(--rose);
  color: var(--rose);
}

.nav-list .nav-cta,
.nav-list li:last-child > a[href*="#contact"] {
  border: var(--border-ink);
  border-radius: var(--radius-pill);
  background: var(--rose);
  box-shadow: 3px 3px 0 var(--ink);
  color: var(--white);
  padding: 0.5rem 1.2rem;
  transition: box-shadow var(--ease-base), transform var(--ease-slow);
}

.nav-list .nav-cta:hover,
.nav-list .nav-cta:focus,
.nav-list li:last-child > a[href*="#contact"]:hover,
.nav-list li:last-child > a[href*="#contact"]:focus {
  border-color: var(--ink);
  box-shadow: 5px 5px 0 var(--ink);
  color: var(--white);
  transform: translateY(-2px);
}

.burger.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--sp-xs);
}

.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  transition: transform var(--ease-base), opacity var(--ease-base);
}

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

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

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

@media (max-width: 768px) {
  .header.site-header .logo {
    height: clamp(2.65rem, 12vw, 3.5rem);
  }

  .burger.mobile-menu-toggle {
    display: flex;
  }

  .nav.site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    width: 100%;
    border-bottom: var(--border-medium) solid var(--line);
    background: var(--paper-warm);
    box-shadow: 0 8px 24px var(--shadow-ink);
  }

  .nav.site-nav.open,
  .nav.site-nav.is-open,
  .nav.site-nav.active {
    display: block;
  }

  .nav-list {
    align-items: flex-start;
    flex-direction: column;
    justify-content: flex-start;
    gap: var(--sp-md);
    padding: var(--sp-xl) var(--gutter);
  }
}