.header {
  position: sticky;
  top: 0;
  z-index: 200;
  width: 100%;
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(33, 107, 47, 0.08);
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.header.header--scrolled,
.header.is-scrolled {
  box-shadow: var(--shadow-sm);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: var(--navbar-height);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
  font-weight: 600;
}

.brand__mark {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-lg);
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(33, 107, 47, 0.16), rgba(195, 155, 46, 0.16));
  color: var(--color-primary);
  font-weight: 700;
}

.brand__text strong {
  display: block;
  font-size: 0.98rem;
  letter-spacing: -0.02em;
}

.brand__text small {
  display: block;
  color: var(--color-text-secondary);
  font-size: 0.8rem;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-primary);
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  font-weight: 700;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav__list a {
  color: var(--color-text);
  font-weight: 500;
  transition: color var(--transition);
}

.nav__list a:hover,
.nav__list a:focus-visible {
  color: var(--color-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}