.docuty-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  background-color: rgba(13, 13, 13, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-dark);
  transition: background-color 0.3s, box-shadow 0.3s;
}

.docuty-nav.is-scrolled {
  background-color: rgba(13, 13, 13, 0.98);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.docuty-nav__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--section-padding-x);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

/* Logo */
.docuty-nav__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.docuty-nav__logo img {
  height: 32px;
  width: auto;
  filter: brightness(0) invert(1);
}

.docuty-nav__logo-text {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-text-light);
  letter-spacing: -0.02em;
}

.docuty-nav__logo-text span {
  color: var(--color-accent);
}

/* Menu */
.docuty-nav__menu {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  flex: 1;
  justify-content: center;
}

.docuty-nav__menu a {
  display: block;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: 4px;
  transition: color 0.2s, background-color 0.2s;
}

.docuty-nav__menu a:hover,
.docuty-nav__menu .current-menu-item a {
  color: var(--color-text-light);
  background-color: rgba(255, 255, 255, 0.06);
}

/* CTA */
.docuty-nav__cta {
  flex-shrink: 0;
}

/* Mobile hamburger */
.docuty-nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.docuty-nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-light);
  transition: transform 0.3s, opacity 0.3s;
}

.docuty-nav__toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.docuty-nav__toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 900px) {
  .docuty-nav__menu {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background-color: var(--color-bg-dark);
    border-bottom: 1px solid var(--color-border-dark);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px;
    gap: 4px;
  }

  .docuty-nav__menu.is-open {
    display: flex;
  }

  .docuty-nav__menu a {
    padding: 12px 16px;
    font-size: 16px;
  }

  .docuty-nav__toggle {
    display: flex;
  }
}