.pillar-nav-container {
  height: 50px;
  min-height: 50px;
  max-height: 50px;
  margin: 2rem 0 3rem 0;
  position: relative;
  width: 100%;
  overflow: visible;
  flex-shrink: 0;
  display: flex;
  justify-content: center;
}

.pillar-nav {
  justify-content: center;
  width: 100%;
  opacity: 0;
  display: flex;
  position: relative;
  z-index: 100;
  padding-top: 0;
}

.pillar-nav.visible {
  opacity: 1;
}

.pillar-nav.sticky-bottom {
  z-index: 1000;
  justify-content: center;
}

/* Glass background - stays stationary */
.pillar-nav-glass {
  display: inline-flex;
  position: relative;
  width: 40px;
  height: 40px;
  /* Glass Effect */
  --glass-radius: 100px;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(10px) saturate(100%) brightness(0.8);
  -webkit-backdrop-filter: blur(10px) saturate(100%);
  box-shadow:
    0 8px 32px 0 rgba(0, 0, 0, 0.12),
    inset 0 1px 0 0 rgba(255, 255, 255, 0.2),
    inset 0 -1px 0 0 rgba(255, 255, 255, 0.06);
  border: none;
  /* Only transition hover properties - NOT transform/opacity (GSAP controls those) */
  transition:
    background 0.4s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: var(--glass-radius);
  /* Initial state - GSAP will animate from here */
  transform: scale(0);
  opacity: 0;
  box-sizing: border-box !important;
  transform-origin: center !important;
  overflow: hidden;
}

/* Scrollable content wrapper - transparent */
.pillar-nav-wrapper {
  padding: 0 0.75rem;
  display: inline-flex;
  position: relative;
  z-index: 1;
  overflow-x: auto;
  overflow-y: hidden;
  width: 100%;
  height: 100%;
  background: transparent;
  border: none;
  box-sizing: border-box !important;
  /* Hide scrollbar */
  scrollbar-width: none;
  /* Firefox */
  -ms-overflow-style: none;
  /* Internet Explorer 10+ */
}

/* =========================================
   GLASS EFFECT LAYERS
   ========================================= */

/* Gradient Border (Refraction) */
.pillar-nav-glass::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--glass-radius);
  padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.25) 0%,
    rgba(255, 255, 255, 0.08) 25%,
    rgba(255, 255, 255, 0.15) 50%,
    rgba(255, 255, 255, 0.08) 75%,
    rgba(255, 255, 255, 0.25) 100%
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.7;
  transition: opacity 0.3s ease;
  z-index: 1;
}

/* Top Shine (Dome Effect) */
.pillar-nav-glass::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.08) 0%,
    rgba(255, 255, 255, 0) 100%
  );
  opacity: 1;
  pointer-events: none;
  border-radius: var(--glass-radius) var(--glass-radius) 0 0;
  z-index: 1;
}

/* Hover State */
.pillar-nav-glass:hover {
  background: rgba(255, 255, 255, 0.08);
  box-shadow:
    0 12px 40px 0 rgba(0, 0, 0, 0.18),
    0 2px 8px 0 rgba(255, 255, 255, 0.08),
    inset 0 1px 0 0 rgba(255, 255, 255, 0.25),
    inset 0 -1px 0 0 rgba(255, 255, 255, 0.08);
}

.pillar-nav-glass:hover::before {
  opacity: 1;
}

.pillar-nav-wrapper::-webkit-scrollbar {
  display: none;
  /* WebKit */
}

.pillar-nav-wrapper .pillar-nav-buttons {
  width: 100%;
  height: 100%;
  margin: 0 auto;
  display: flex !important;
  align-items: center;
  justify-content: flex-start;
  gap: 0.5rem;
  opacity: 0;
  position: relative;
  z-index: 2;
  visibility: visible;
  flex-wrap: nowrap;
  box-sizing: border-box !important;
  min-height: 100% !important;
  max-height: 100% !important;
}

.pillar-nav-btn {
  font-family: var(--font-primary);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  text-transform: none;
  padding: 0.25rem 1.2rem;
  border-radius: 100px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: transparent;
  cursor: pointer;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  white-space: nowrap;
  min-width: fit-content;
  box-sizing: border-box !important;
  transform: none !important;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

.pillar-nav-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.pillar-nav-btn.active {
  color: var(--color-accent-main) !important;
  background: rgba(126, 228, 179, 0.1);
  border: 1px solid rgba(126, 228, 179, 0.2);
  box-shadow:
    inset 0 0 0 2px rgba(126, 228, 179, 0.4),
    0 4px 12px rgba(0, 0, 0, 0.25) !important;
  transform: none !important;
}

.pillar-nav-btn.active:hover {
  background: rgba(126, 228, 179, 0.2);
  color: var(--color-accent-main) !important;
  box-shadow: 0 0 8px rgba(126, 228, 179, 0.4);
  transform: translateY(-1px);
  border-color: rgba(126, 228, 179, 0.4);
  transition: all 0.3s ease;
}

.pillar-nav-btn.active:active {
  transform: translateY(0);
  box-shadow: 0 0 4px rgba(126, 228, 179, 0.3);
}

.pillar-nav-glass.animating {
  transform: scale(1);
  opacity: 1;
  width: auto;
  height: 50px;
}

.pillar-nav-glass.animation-complete {
  width: fit-content !important;
  height: 50px !important;
  min-height: 50px !important;
  transition: none !important;
  transform: scale(1);
  opacity: 1;
}

/* Force full width on mobile and when content overflows */
@media (max-width: 768px) {
  .pillar-nav-glass.animation-complete {
    width: calc(100vw - 2rem) !important;
  }
}

/* When content overflows, use full width */
.pillar-nav-glass.overflow {
  width: calc(100vw - 2rem) !important;
}

.pillar-nav-glass.animation-complete .pillar-nav-buttons {
  opacity: 1;
}

/* No CSS transitions - let GSAP handle all animations */

@media (max-width: 1024px) {
  .pillar-nav-wrapper .pillar-nav-buttons {
    gap: 0.4rem;
  }

  .pillar-nav-btn {
    font-size: 0.85rem;
    padding: 0.4rem 1rem;
  }

  #nav-spacer {
    min-width: 0px;
    width: 0px;
    max-width: 0px;
    height: 100%;
  }
}

@media (max-width: 768px) {
  .pillar-nav-container {
    margin: 1.5rem 0 2rem 0;
  }

  .pillar-nav-glass {
    max-width: calc(100vw - 2rem);
    margin: 0 0.25rem;
  }

  .pillar-nav.sticky-bottom {
    bottom: 1rem;
    left: 1rem;
    right: 1rem;
    transform: none;
    width: calc(100vw - 2rem);
  }

  .pillar-nav.sticky-bottom .pillar-nav-glass {
    width: calc(100vw - 2rem);
    max-width: none;
  }

  .pillar-nav-wrapper .pillar-nav-buttons {
    gap: 0.3rem;
  }

  .pillar-nav-btn {
    font-size: 0.8rem;
    padding: 0.3rem 0.8rem;
  }
}

@media (max-width: 640px) {
  .pillar-nav-wrapper .pillar-nav-buttons {
    flex-direction: row;
    gap: 0.5rem;
    flex-wrap: nowrap;
  }

  .pillar-nav-btn {
    min-width: fit-content;
    flex-shrink: 0;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .pillar-nav-btn {
    font-size: 0.75rem;
    padding: 0.5rem 1rem;
  }
}