.epa-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(248, 250, 252, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

.navbar {
  border-bottom: none;
  background: transparent;
}

.navbar__inner {
  height: 4.25rem;
}

.navbar__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: var(--font-size-lg);
  color: var(--color-text);
}

.navbar__logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 0.65rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-strong));
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}

.navbar__brand-text {
  white-space: nowrap;
}

.navbar__nav {
  display: flex;
  align-items: center;
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
  padding: 0;
  margin: 0;
}

.navbar__item--cta {
  margin-left: var(--space-2);
}

.navbar__link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  transition: color var(--transition-normal), background-color var(--transition-normal);
}

.navbar__link:hover,
.navbar__link:focus-visible {
  color: var(--color-primary-strong);
  background-color: rgba(148, 163, 184, 0.12);
}

.navbar__link--active {
  color: var(--color-primary-strong);
  background-color: var(--color-primary-soft);
}

.navbar__toggle {
  display: none;
  position: relative;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--gray-300);
  background-color: #ffffff;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
}

.navbar__toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.navbar__toggle-bar {
  position: relative;
  width: 1.25rem;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-normal), opacity var(--transition-normal), background-color var(--transition-normal);
}

.navbar__toggle-bar + .navbar__toggle-bar {
  margin-top: 0.22rem;
}

.navbar__toggle--open .navbar__toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.navbar__toggle--open .navbar__toggle-bar:nth-child(2) {
  opacity: 0;
}

.navbar__toggle--open .navbar__toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 768px) {
  .navbar__toggle {
    display: inline-flex;
    flex-direction: column;
  }

  .navbar__nav {
    position: fixed;
    inset-inline: 0;
    top: 4.25rem;
    background-color: rgba(248, 250, 252, 0.98);
    border-bottom: 1px solid rgba(148, 163, 184, 0.25);
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
  }

  .navbar__nav--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .navbar__links {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4) var(--space-4) var(--space-5);
    gap: var(--space-3);
  }

  .navbar__item--cta {
    width: 100%;
    margin-left: 0;
    margin-top: var(--space-2);
  }

  .navbar__cta {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .navbar__brand-text {
    font-size: var(--font-size-md);
  }
}