.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  padding: 0 var(--space-md);
  transition: background var(--transition-normal), box-shadow var(--transition-normal);
}

.nav.scrolled {
  background: rgba(50, 130, 140, 0.5);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(0, 60, 80, 0.06);
}

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

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.nav__logo img {
  height: 32px;
  width: auto;
  border-radius: 6px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav__links a {
  font-size: var(--font-size-small);
  color: var(--text-tertiary);
  font-weight: 400;
  letter-spacing: 0.01em;
  transition: color 0.3s ease;
}

.nav__links a:hover {
  color: var(--text-primary);
}

.nav__cta {
  margin-left: var(--space-md);
}

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

.nav__hamburger span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--text-secondary);
  border-radius: 1px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav__hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.nav__hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile menu */
.nav__mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(50, 130, 140, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  z-index: 999;
}

.nav__mobile-menu.open {
  display: flex;
}

.nav__mobile-menu a {
  font-size: 1.125rem;
  color: var(--text-secondary);
  font-weight: 400;
  transition: color var(--transition-fast);
}

.nav__mobile-menu a:hover {
  color: var(--text-tertiary);
}