/**
 * Shared nav and footer styles for pages using the reusable component.
 * Use with nav-simple + footer. For full nav (dropdown, intensity panel, mobile menu)
 * the main index has its own CSS.
 */
/* Simple nav */
nav.nav-simple,
#signal-nav-placeholder nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: transparent;
  transition: background 0.3s ease, padding 0.3s ease;
}
#signal-nav-placeholder nav.scrolled,
nav.nav-simple.scrolled {
  background: rgba(29, 38, 42, 0.95);
  backdrop-filter: blur(16px);
}
#signal-nav-placeholder .nav-links,
nav.nav-simple .nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}
#signal-nav-placeholder .nav-links a,
nav.nav-simple .nav-links a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: color 0.3s ease;
}
#signal-nav-placeholder .nav-links a:hover,
nav.nav-simple .nav-links a:hover {
  color: #fff;
}
#signal-nav-placeholder .nav-logo img,
nav.nav-simple .nav-logo img {
  height: 30px;
  width: 160px;
  display: block;
}

#signal-nav-placeholder .theme-toggle,
nav.nav-simple .theme-toggle {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.85);
  color: #fff;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 14px;
  border-radius: 4px;
  margin-left: 1rem;
}
#signal-nav-placeholder .theme-toggle:hover,
nav.nav-simple .theme-toggle:hover {
  opacity: 0.9;
}
#signal-nav-placeholder .theme-toggle:focus-visible,
nav.nav-simple .theme-toggle:focus-visible {
  outline: 2px solid var(--accent-cyan, #60FFF1);
  outline-offset: 3px;
}

/* Footer */
#signal-footer-placeholder footer,
footer[role="contentinfo"] {
  padding: 80px 48px 40px;
  border-top: 1px solid var(--border, #485858);
}
#signal-footer-placeholder .footer-grid,
footer .footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr 1fr;
  gap: 40px 60px;
  max-width: 1200px;
  margin: 0 auto;
}
#signal-footer-placeholder .footer-event-list-copy,
footer .footer-event-list-copy {
  font-size: 12px;
  color: var(--muted, #899182);
  line-height: 1.5;
  margin-top: 8px;
  max-width: 200px;
}
#signal-footer-placeholder .footer-coming,
footer .footer-coming {
  font-size: 11px;
  opacity: 0.8;
}
#signal-footer-placeholder .footer-social a,
footer .footer-social a {
  display: inline-block;
  margin-right: 12px;
}
#signal-footer-placeholder .footer-wave-mark,
footer .footer-wave-mark {
  width: 48px;
  height: auto;
  margin-bottom: 14px;
  opacity: 0.35;
}
#signal-footer-placeholder .footer-wave-mark path,
footer .footer-wave-mark path {
  fill: var(--accent-cyan, #60FFF1);
}
#signal-footer-placeholder .footer-brand,
footer .footer-brand {
  font-family: 'Open Sans', sans-serif;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 16px;
  color: var(--text-heading, #ECE1DF);
}
#signal-footer-placeholder .footer-tagline,
footer .footer-tagline {
  font-family: 'Open Sans', sans-serif;
  font-size: 13px;
  color: var(--muted, #899182);
  line-height: 170%;
  max-width: 300px;
}
#signal-footer-placeholder .footer-col h4,
footer .footer-col h4 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--muted, #899182);
  margin-bottom: 20px;
}
#signal-footer-placeholder .footer-col a,
footer .footer-col a {
  display: block;
  color: var(--text, #E2E9E2);
  text-decoration: none;
  font-size: 14px;
  margin-bottom: 12px;
  transition: color 0.3s ease;
}
#signal-footer-placeholder .footer-col a:hover,
footer .footer-col a:hover {
  color: var(--accent-cyan, #60FFF1);
}
#signal-footer-placeholder .footer-bottom,
footer .footer-bottom {
  max-width: 1200px;
  margin: 60px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--border, #485858);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--muted, #899182);
}
#signal-footer-placeholder .footer-bottom a,
footer .footer-bottom a {
  color: var(--muted, #899182);
  text-decoration: none;
}
#signal-footer-placeholder .footer-bottom a:hover,
footer .footer-bottom a:hover {
  color: var(--text, #E2E9E2);
}

/* Light mode: ensure nav and footer have sufficient contrast (WCAG AA) */
[data-theme="light"] #signal-nav-placeholder .nav-links a,
[data-theme="light"] nav.nav-simple .nav-links a {
  color: #1a1a1a;
}
[data-theme="light"] #signal-nav-placeholder .nav-links a:hover,
[data-theme="light"] nav.nav-simple .nav-links a:hover {
  color: #000;
}
[data-theme="light"] #signal-nav-placeholder .theme-toggle,
[data-theme="light"] nav.nav-simple .theme-toggle {
  border-color: #1a1a1a;
  color: #1a1a1a;
}
[data-theme="light"] #signal-nav-placeholder nav.scrolled,
[data-theme="light"] nav.nav-simple.scrolled {
  background: rgba(244, 242, 239, 0.98);
  backdrop-filter: blur(16px);
}
[data-theme="light"] #signal-footer-placeholder .footer-brand,
[data-theme="light"] footer .footer-brand {
  color: #1a1a1a;
}
[data-theme="light"] #signal-footer-placeholder .footer-tagline,
[data-theme="light"] footer .footer-tagline {
  color: #4a4a4a;
}
[data-theme="light"] #signal-footer-placeholder .footer-col h4,
[data-theme="light"] footer .footer-col h4 {
  color: #4a4a4a;
}
[data-theme="light"] #signal-footer-placeholder .footer-col a,
[data-theme="light"] footer .footer-col a {
  color: #1a1a1a;
}
[data-theme="light"] #signal-footer-placeholder .footer-col a:hover,
[data-theme="light"] footer .footer-col a:hover {
  color: #006b62;
}
[data-theme="light"] #signal-footer-placeholder .footer-bottom,
[data-theme="light"] footer .footer-bottom {
  color: #4a4a4a;
}
[data-theme="light"] #signal-footer-placeholder .footer-bottom a,
[data-theme="light"] footer .footer-bottom a {
  color: #4a4a4a;
}
[data-theme="light"] #signal-footer-placeholder .footer-bottom a:hover,
[data-theme="light"] footer .footer-bottom a:hover {
  color: #1a1a1a;
}
[data-theme="light"] #signal-footer-placeholder .footer-wave-mark path,
[data-theme="light"] footer .footer-wave-mark path {
  fill: #006b62;
}

@media (max-width: 768px) {
  #signal-footer-placeholder .footer-grid,
  footer .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-left: 24px;
    padding-right: 24px;
  }
  #signal-footer-placeholder .footer-bottom,
  footer .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  #signal-nav-placeholder nav,
  nav.nav-simple {
    padding: 16px 24px;
  }
}