/**
 * Shared chrome — primary nav + mobile drawer (index + calculator).
 */
nav {
  background: var(--dark);
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.page-calculator nav {
  z-index: 200;
  margin-bottom: 24px;
}

.nav-logo a {
  display: block;
  line-height: 0;
}

.nav-links {
  display: flex;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  color: var(--sand);
  text-decoration: none;
  font-size: 14px;
  font-weight: 400;
  opacity: 0.85;
  transition: opacity 0.2s, color 0.2s;
  cursor: pointer;
}

.nav-links a:hover {
  opacity: 1;
  color: var(--accent);
}

.nav-links a.nav-active {
  color: var(--accent);
  opacity: 1;
  font-weight: 500;
}

.nav-cta {
  background: var(--accent);
  color: var(--text-on-accent) !important;
  padding: 8px 16px;
  border-radius: 6px;
  font-weight: 500 !important;
  opacity: 1 !important;
  font-size: 13px !important;
}

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

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--sand);
  border-radius: 2px;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--dark);
  padding: 16px 24px 24px;
  gap: 0;
}

.mobile-menu a {
  color: var(--sand);
  text-decoration: none;
  font-size: 16px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(227, 222, 215, 0.08);
}

.mobile-menu a:last-child {
  border-bottom: none;
  margin-top: 8px;
  background: var(--accent);
  color: var(--text-on-accent) !important;
  text-align: center;
  padding: 12px;
  border-radius: 8px;
}

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

@media (max-width: 768px) {
  nav {
    padding: 0 24px;
  }

  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }
}