/* Museum Planner — shared site navigation (all pages) */
:root {
  --mp-nav-ink: #141210;
  --mp-nav-cream: #f5f0e8;
  --mp-nav-cream-mute: #b8b0a2;
  --mp-nav-copper: #b5763a;
  --mp-nav-rule: rgba(245, 240, 232, 0.12);
  --mp-nav-rule-warm: rgba(181, 118, 58, 0.25);
}

.mp-masthead {
  border-bottom: 1px solid var(--mp-nav-rule);
  padding: 28px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  background: rgba(20, 18, 16, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
}

.mp-masthead-logo {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--mp-nav-cream);
  text-decoration: none;
  flex-shrink: 0;
}

.mp-masthead-logo span {
  color: var(--mp-nav-copper);
}

.mp-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--mp-nav-rule-warm);
  border-radius: 2px;
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
}

.mp-nav-toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto;
  background: var(--mp-nav-cream);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.mp-nav-open .mp-nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mp-nav-open .mp-nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.mp-nav-open .mp-nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mp-masthead-menu {
  display: block;
}

.mp-masthead-nav {
  display: flex;
  gap: 32px;
  list-style: none;
  align-items: center;
  margin: 0;
  padding: 0;
}

.mp-masthead-nav a {
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mp-nav-cream-mute);
  text-decoration: none;
  transition: color 0.2s;
}

.mp-masthead-nav a:hover {
  color: var(--mp-nav-cream);
}

.mp-masthead-nav .mp-nav-cta {
  color: var(--mp-nav-copper);
  border: 1px solid var(--mp-nav-rule-warm);
  padding: 6px 16px;
  border-radius: 2px;
  transition: background 0.2s, color 0.2s;
}

.mp-masthead-nav .mp-nav-cta:hover {
  background: var(--mp-nav-copper);
  color: var(--mp-nav-ink);
}

@media (max-width: 768px) {
  .mp-masthead {
    padding: 16px 20px;
    flex-wrap: wrap;
    align-items: center;
  }

  .mp-nav-toggle {
    display: flex;
  }

  .mp-masthead-menu {
    display: none;
    width: 100%;
    order: 3;
    padding-top: 16px;
    margin-top: 16px;
    border-top: 1px solid var(--mp-nav-rule);
  }

  .mp-nav-open .mp-masthead-menu {
    display: block;
  }

  .mp-masthead-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .mp-masthead-nav li {
    border-bottom: 1px solid var(--mp-nav-rule);
  }

  .mp-masthead-nav li:last-child {
    border-bottom: none;
    padding-top: 8px;
  }

  .mp-masthead-nav a {
    display: block;
    padding: 14px 4px;
    font-size: 12px;
  }

  .mp-masthead-nav .mp-nav-cta {
    text-align: center;
    padding: 12px 16px;
  }
}

@media print {
  .mp-masthead {
    position: static;
  }

  .mp-nav-toggle {
    display: none;
  }
}