/* ============================================
   PNP INTEGRATIONS — NAVIGATION
   ============================================ */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding-block: var(--space-4);
  transition: background var(--transition-slow), box-shadow var(--transition-slow), padding var(--transition-slow);
  background: transparent;
}

.site-nav.nav--scrolled {
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
  padding-block: var(--space-3);
}

/* On interior pages (non-hero), always solid */
.site-nav.nav--solid {
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

/* ---- Logo ---- */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: inherit;
  flex-shrink: 0;
}

.nav-logo svg {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.nav-logo-name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--color-surface);
  transition: color var(--transition-fast);
}

.nav-logo-tag {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.nav--scrolled .nav-logo-name,
.nav--solid .nav-logo-name {
  color: var(--color-text);
}

/* ---- Links ---- */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.75rem;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-link:hover {
  color: #fff;
  background: rgba(255,255,255,0.08);
}

.nav-link--active {
  color: var(--color-accent) !important;
}

/* scrolled → dark text */
.nav--scrolled .nav-link,
.nav--solid .nav-link {
  color: var(--color-text-muted);
}
.nav--scrolled .nav-link:hover,
.nav--solid .nav-link:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

/* ---- Nav CTA button ---- */
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.5rem 1.25rem;
  font-size: var(--text-sm);
  font-weight: 700;
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background var(--transition-base), box-shadow var(--transition-base), transform var(--transition-fast);
  white-space: nowrap;
  box-shadow: 0 2px 8px color-mix(in oklab, var(--color-accent), transparent 55%);
}
.nav-cta:hover {
  background: var(--color-accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px color-mix(in oklab, var(--color-accent), transparent 45%);
}

/* ---- Right cluster ---- */
.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* ---- Theme toggle ---- */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,0.7);
  transition: color var(--transition-fast), background var(--transition-fast);
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}
.theme-toggle:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
}
.nav--scrolled .theme-toggle,
.nav--solid .theme-toggle {
  color: var(--color-text-muted);
}
.nav--scrolled .theme-toggle:hover,
.nav--solid .theme-toggle:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

/* ---- Mobile hamburger ---- */
.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,0.85);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: color var(--transition-fast), background var(--transition-fast);
}
.menu-toggle:hover { background: rgba(255,255,255,0.1); color: #fff; }
.nav--scrolled .menu-toggle,
.nav--solid .menu-toggle {
  color: var(--color-text-muted);
}
.nav--scrolled .menu-toggle:hover,
.nav--solid .menu-toggle:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

/* ---- Mobile menu panel ---- */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 99;
  background: var(--color-surface);
  padding: var(--space-20) var(--space-6) var(--space-8);
  flex-direction: column;
  gap: var(--space-2);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
}

.mobile-menu.is-open {
  display: flex;
  transform: translateX(0);
}

.mobile-menu .nav-link {
  color: var(--color-text);
  font-size: var(--text-lg);
  font-weight: 700;
  padding: var(--space-4) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  width: 100%;
  border-radius: 0;
}
.mobile-menu .nav-link:hover {
  background: var(--color-surface-2);
  color: var(--color-accent);
}

.mobile-menu .nav-cta {
  margin-top: var(--space-4);
  justify-content: center;
  padding: 1rem;
  font-size: var(--text-base);
  width: 100%;
}

/* ---- Responsive ---- */
@media (max-width: 860px) {
  .nav-links { display: none; }
  .menu-toggle { display: flex; }
  .nav-cta { display: none; }
  .mobile-menu { display: none; } /* js toggles is-open class → flex */
  .mobile-menu.is-open { display: flex; }
}