/* ═══ Navigation ═══ */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background var(--duration-normal) ease;
}
.site-nav.is-glass {
  background: rgba(245, 237, 227, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(42, 31, 20, 0.06);
}
.nav-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Wordmark — light on home hero (over gradient), dark elsewhere */
.nav-wordmark {
  font-size: 18px;
  font-weight: 900;
  color: var(--text-on-dark);
  z-index: 1;
}
.site-nav.is-glass .nav-wordmark { color: var(--espresso); }

/* Links — dark by default (safe on cream right panel + all other pages) */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.nav-link {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 12px;
  border: none;
  background: none;
  cursor: pointer;
  transition: color var(--duration-fast) ease;
}
.nav-link:hover { color: var(--espresso); }
.nav-search {
  display: flex;
  align-items: center;
  padding: 6px 8px;
}

/* CTA button — round pill, always dark/solid */
.btn--nav {
  font-size: 13px;
  padding: 8px 20px;
  border-radius: 100px;
  margin-left: var(--space-sm);
  border: none;
  background: var(--espresso);
  color: var(--text-on-dark);
}
.btn--nav:hover {
  background: var(--near-black);
  color: var(--text-on-dark);
}

/* Hamburger with animation */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 10px;
  border: none;
  background: transparent;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.hamburger-line {
  width: 22px;
  height: 2px;
  background: var(--text-on-dark);
  border-radius: 1px;
  transition: transform var(--duration-normal) ease, opacity var(--duration-fast) ease;
  transform-origin: center;
}
/* On non-home or glass: dark hamburger lines */
.site-nav.is-glass .hamburger-line,
body:not(.home-template) .hamburger-line { background: var(--espresso); }
/* Animate to X when open */
.nav-hamburger.is-active .hamburger-line:first-child {
  transform: translateY(4px) rotate(45deg);
}
.nav-hamburger.is-active .hamburger-line:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

/* Mobile overlay — light glassmorphism (matches Ghost Portal style) */
.nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  z-index: 200;
  background: var(--cream);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-normal) ease;
}
.nav-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}
.nav-overlay-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--espresso);
}
.nav-overlay-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
}
.nav-overlay-link {
  font-size: 28px;
  font-weight: 700;
  color: var(--espresso);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--duration-normal) ease, transform var(--duration-normal) var(--ease-smooth);
}
.nav-overlay.is-open .nav-overlay-link {
  opacity: 1;
  transform: translateY(0);
}
.nav-overlay.is-open .nav-overlay-link:nth-child(1) { transition-delay: 50ms; }
.nav-overlay.is-open .nav-overlay-link:nth-child(2) { transition-delay: 100ms; }
.nav-overlay.is-open .nav-overlay-link:nth-child(3) { transition-delay: 150ms; }
.nav-overlay.is-open .nav-overlay-link:nth-child(4) { transition-delay: 200ms; }
.nav-overlay.is-open .nav-overlay-link:nth-child(5) { transition-delay: 250ms; }

/* Overlay CTA — round pill button */
.nav-overlay-cta {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-on-dark);
  background: var(--espresso);
  padding: 12px 36px;
  border-radius: 100px;
  margin-top: var(--space-md);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--duration-normal) ease, transform var(--duration-normal) var(--ease-smooth), background var(--duration-fast) ease;
}
.nav-overlay-cta:hover {
  background: var(--near-black);
}
.nav-overlay.is-open .nav-overlay-cta {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 250ms;
}

/* Sentinel */
.nav-sentinel {
  position: absolute;
  top: 50vh;
  width: 1px;
  height: 1px;
  pointer-events: none;
}

/* Non-home pages: always glass-like */
body:not(.home-template) .site-nav {
  background: rgba(245, 237, 227, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(42, 31, 20, 0.06);
}
body:not(.home-template) .nav-wordmark { color: var(--espresso); }

/* ═══ Mobile: light text since hero stacks and nav is over gradient ═══ */
@media (max-width: 768px) {
  .home-template .site-nav:not(.is-glass) .nav-link {
    color: rgba(245, 237, 227, 0.8);
  }
  .home-template .site-nav:not(.is-glass) .nav-link:hover {
    color: var(--text-on-dark);
  }
  .home-template .site-nav:not(.is-glass) .btn--nav {
    background: rgba(245, 237, 227, 0.15);
    border: 1px solid rgba(245, 237, 227, 0.3);
    color: var(--text-on-dark);
  }
  .home-template .site-nav:not(.is-glass) .btn--nav:hover {
    background: rgba(245, 237, 227, 0.25);
  }
}