/* Pharmacore — Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 24px;
  height: var(--nav-height);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.nav--scrolled {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

.nav__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo-img {
  height: 36px;
  width: auto;
}

.nav__links {
  display: flex;
  list-style: none;
  gap: var(--gap-xl);
}

.nav__link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-light-muted);
  transition: color var(--transition-fast);
}

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

.nav__cta {
  padding: 10px 22px;
  font-size: var(--font-size-sm);
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav__hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__hamburger.active span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav__mobile-drawer {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 999;
  display: none;
  padding: var(--gap-xl);
}

.nav__mobile-drawer.open {
  display: block;
}

.nav__mobile-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--gap-lg);
}

.nav__mobile-link {
  font-size: var(--font-size-xl);
  font-weight: 500;
  color: var(--color-text-light-muted);
}

.nav__mobile-link:hover {
  color: var(--color-white);
}

.nav__mobile-cta {
  margin-top: var(--gap-md);
  text-align: center;
  justify-content: center;
}