/* ==========================================================================
   NOVA | FLOATING GLASSMORPHIC NAVIGATION BAR
   ========================================================================== */

/* Floating Glassmorphic Header Navigation */
.top-nav-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  z-index: 100;
  padding: 18px 4vw 0;
  opacity: 1;
  transform: translateY(0) translateZ(0);
  transition: padding 0.45s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: padding, transform;
  pointer-events: none;
}

.glass-nav-capsule {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 95vw;
  padding: 14px 36px;
  background: rgba(12, 12, 16, 0.50);
  backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.35), inset 0 1px 1px rgba(255, 255, 255, 0.12);
  transform: translateZ(0);
  pointer-events: auto;
  transition: max-width 0.45s cubic-bezier(0.16, 1, 0.3, 1),
              border-radius 0.45s cubic-bezier(0.16, 1, 0.3, 1),
              padding 0.45s cubic-bezier(0.16, 1, 0.3, 1),
              background 0.45s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.45s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.45s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: max-width, border-radius, padding, background, border-color, box-shadow;
}

/* Scrolled Full-Width Rectangle State (Matte Frosted Translucent Glass) */
.top-nav-container.scrolled-header {
  padding: 0;
}

.top-nav-container.scrolled-header .glass-nav-capsule {
  max-width: 100vw;
  border-radius: 0px;
  border-color: rgba(255, 255, 255, 0.08);
  border-top-color: transparent;
  border-left-color: transparent;
  border-right-color: transparent;
  padding: 16px 4vw;
  background: rgba(8, 8, 12, 0.70);
  backdrop-filter: blur(50px) saturate(180%);
  -webkit-backdrop-filter: blur(50px) saturate(180%);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.nav-header-logo-icon,
.nav-logo-icon {
  width: 32px;
  height: 32px;
  display: block;
  flex-shrink: 0;
}

/* Subtle, slow independent ambient animation for header logo */
.nav-header-orbit-ring {
  transform-origin: 50px 50px;
  animation: navHeaderOrbitSlow 36s linear infinite;
}

@keyframes navHeaderOrbitSlow {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.nav-header-tiles-group {
  transform-origin: 50px 50px;
  transition: transform 0.3s ease;
}

.brand-logo:hover .nav-header-tiles-group {
  transform: scale(1.06);
}

.logo-text {
  font-family: var(--font-brand);
  font-weight: 500;
  font-size: 0.98rem;
  letter-spacing: 4px;
  color: var(--text-primary);
}

.logo-divider {
  color: rgba(255, 255, 255, 0.35);
  margin: 0 3px;
}

.nav-links-right {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link-item {
  font-size: 0.92rem;
  font-weight: 400;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.2s ease;
}

.nav-link-item:hover {
  color: var(--text-primary);
}

.btn-nav-glass {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--bg-pitch);
  background: var(--text-primary);
  padding: 10px 24px;
  border-radius: 999px;
  text-decoration: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-nav-glass:hover {
  transform: translateY(-1px) scale(1.03);
  box-shadow: 0 0 25px rgba(255, 255, 255, 0.4);
}

/* Tablet & Mobile Responsive Navigation */
@media (max-width: 768px) {
  .top-nav-container {
    padding: 12px 16px 0;
  }
  .glass-nav-capsule {
    padding: 10px 18px;
  }
  .top-nav-container.scrolled-header .glass-nav-capsule {
    padding: 12px 16px;
  }
  .logo-text {
    font-size: 0.85rem;
    letter-spacing: 2.5px;
  }
  .nav-header-logo-icon {
    width: 26px;
    height: 26px;
  }
  .nav-links-right {
    gap: 14px;
  }
  .nav-link-item {
    font-size: 0.82rem;
  }
  .btn-nav-glass {
    font-size: 0.82rem;
    padding: 7px 16px;
  }
}

@media (max-width: 600px) {
  .top-nav-container {
    padding: 22px 16px 0;
  }
  .nav-links-right .nav-link-item {
    display: none;
  }
}

@media (max-width: 480px) {
  .top-nav-container {
    padding: 24px 16px 0;
  }
  .glass-nav-capsule {
    padding: 9px 16px;
  }
  .logo-text {
    font-size: 0.78rem;
    letter-spacing: 1.5px;
  }
  .logo-divider {
    margin: 0 1px;
  }
  .nav-header-logo-icon {
    width: 22px;
    height: 22px;
  }
  .nav-links-right {
    gap: 0;
  }
  .nav-links-right .nav-link-item {
    display: none;
  }
  .btn-nav-glass {
    font-size: 0.76rem;
    padding: 7px 16px;
  }
}