/* Shared Navigation & Footer Styles (Namespace: .rc-global-*) */

:root {
  --rc-nav-height: 70px;
  --rc-nav-bg: #ffffff;
  /* Opaque white to hide non-transparent logo box */
  --rc-nav-bg-dark: rgba(10, 14, 26, 0.9);
  --rc-nav-text: #333;
  --rc-nav-text-dark: #f0f0f0;
  --rc-accent-color: #c5a572;
  /* Gold */
  --rc-footer-bg: #f8f9fa;
  --rc-footer-text: #333;
  --rc-footer-text-dark: #ccc;
  --rc-footer-bg-dark: #05060A;
}

/* Reset for our injected containers to avoid external CSS conflicts if possible */
.rc-global-nav *,
.rc-global-footer * {
  box-sizing: border-box;
}

.rc-global-nav ul,
.rc-global-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.rc-global-nav a,
.rc-global-footer a {
  text-decoration: none;
  color: inherit;
}

/* --- Global Navigation --- */
.rc-global-nav {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--rc-nav-height);
  background: var(--rc-nav-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 9999;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5%;
  transition: background 0.3s ease, padding 0.3s ease;
  font-family: "Noto Sans JP", sans-serif;
}

/* Dark Mode Variation (applied via js if needed or based on parent class) */
.rc-global-nav.rc-dark-mode {
  background: var(--rc-nav-bg-dark);
  color: var(--rc-nav-text-dark);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.rc-global-nav .rc-nav-brand {
  display: flex;
  align-items: center;
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.05em;
  color: inherit;
}

.rc-global-nav .rc-nav-brand img {
  height: 40px;
  width: auto;
  margin-right: 10px;
  /* Specific fix for AI Lab logo if it has white corners/bg */
  border: none !important;
  background: transparent !important;
}

/* AI Lab Specific Logo Styling */
img[src*="ai-lab-logo.png"] {
  border-radius: 50%;
  /* Assume round icon per original site */
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  /* Remove any potential glow/shadow causing white appearance */
}

.rc-global-nav .rc-nav-links {
  display: flex;
  gap: 30px;
}

.rc-global-nav .rc-nav-item {
  position: relative;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 5px 0;
  color: var(--rc-nav-text);
  transition: color 0.3s ease;
  cursor: pointer;
}

.rc-global-nav.rc-dark-mode .rc-nav-item {
  color: #ccc;
}

.rc-global-nav.rc-dark-mode .rc-nav-item:hover {
  color: #fff;
}

.rc-global-nav .rc-nav-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--rc-accent-color);
  transition: width 0.3s ease;
}

@media (prefers-reduced-motion: no-preference) {

  .rc-global-nav .rc-nav-item:hover::after,
  .rc-global-nav .rc-nav-item.rc-active::after {
    width: 100%;
  }
}

.rc-global-nav .rc-nav-item.rc-active {
  color: var(--rc-accent-color) !important;
}

/* Hamburger Menu */
.rc-hamburger-menu {
  display: none;
  cursor: pointer;
  flex-direction: column;
  justify-content: space-around;
  width: 30px;
  height: 25px;
  z-index: 10001;
  /* Above overlay */
  background: transparent;
  border: none;
  padding: 0;
}

.rc-hamburger-menu span {
  width: 100%;
  height: 3px;
  background-color: var(--rc-nav-text);
  border-radius: 2px;
  transition: all 0.3s ease;
  pointer-events: none;
}

.rc-global-nav.rc-dark-mode .rc-hamburger-menu span {
  background-color: var(--rc-nav-text-dark);
}

.rc-hamburger-menu.rc-active span:nth-child(1) {
  transform: translateY(11px) rotate(45deg);
}

.rc-hamburger-menu.rc-active span:nth-child(2) {
  opacity: 0;
}

.rc-hamburger-menu.rc-active span:nth-child(3) {
  transform: translateY(-11px) rotate(-45deg);
}

/* Mobile Nav Overlay */
.rc-mobile-nav-overlay {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  height: 100vh;
  background: rgba(255, 255, 255, 0.98);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: right 0.4s cubic-bezier(0.77, 0, 0.175, 1);
}

.rc-global-nav.rc-dark-mode+.rc-mobile-nav-overlay,
.rc-mobile-nav-overlay.rc-dark-mode {
  background: rgba(10, 14, 26, 0.98);
}

.rc-mobile-nav-overlay.rc-active {
  right: 0;
}

.rc-mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 30px;
  text-align: center;
}

.rc-mobile-nav-item {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--rc-nav-text);
}

.rc-mobile-nav-overlay.rc-dark-mode .rc-mobile-nav-item {
  color: var(--rc-nav-text-dark);
}

/* --- Global Footer --- */
.rc-global-footer {
  background-color: var(--rc-footer-bg);
  color: var(--rc-footer-text);
  padding: 60px 0 30px;
  border-top: 1px solid #e0e0e0;
  font-size: 0.9rem;
  font-family: "Noto Sans JP", sans-serif;
}

.rc-global-footer.rc-dark-mode {
  background-color: var(--rc-footer-bg-dark);
  color: var(--rc-footer-text-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.rc-footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
}

.rc-footer-brand {
  display: flex;
  flex-direction: column;
  gap: 15px;
  text-align: center;
}

.rc-footer-logo-row {
  display: flex;
  gap: 20px;
  justify-content: center;
  align-items: center;
  margin-bottom: 20px;
}

.rc-footer-logo-row img {
  height: 36px;
  width: auto;
  opacity: 0.9;
  transition: opacity 0.3s;
}

.rc-footer-logo-row img:hover {
  opacity: 1;
}



/* Full Logo Transparency Fix */
img[src*="logo-full.png"] {
  mix-blend-mode: multiply;
  filter: contrast(1.2) brightness(1.1);
  /* Enhance white levels to ensure better transparency */
}

.rc-footer-links h4 {
  font-size: 1.1rem;
  margin-bottom: 20px;
  font-weight: 600;
  position: relative;
  display: inline-block;
  margin-top: 0;
}

.rc-footer-links h4::after {
  content: '';
  display: block;
  width: 30px;
  height: 2px;
  background: var(--rc-accent-color);
  margin-top: 5px;
}

.rc-footer-links ul li {
  margin-bottom: 12px;
}

.rc-footer-links ul li a:hover {
  color: var(--rc-accent-color);
  padding-left: 5px;
  transition: padding-left 0.2s;
}

.rc-footer-bottom {
  text-align: center;
  margin-top: 50px;
  padding-top: 20px;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.rc-global-footer.rc-dark-mode .rc-footer-bottom {
  border-top-color: rgba(255, 255, 255, 0.1);
}

/* Responsive */
@media (max-width: 768px) {
  .rc-global-nav .rc-nav-links {
    display: none !important;
  }

  .rc-hamburger-menu {
    display: flex;
  }
}