/* ==========================================================================
   StayVerse 3D Immersive Design System
   Deep Navy + Gold | CSS 3D Transforms | Depth Layers
   ========================================================================== */

:root {
  --clr-primary: #1A2A4A;
  --clr-primary-dark: #0A1628;
  --clr-primary-light: #2A4A6A;
  --clr-primary-50: #E8EDF3;
  --clr-primary-100: #C5D0E0;
  --clr-primary-200: #9EB0CC;
  --clr-primary-300: #7A93B3;
  --clr-primary-400: #5A7A9A;
  --clr-primary-500: #3A5A7A;
  --clr-primary-600: #1A2A4A;
  --clr-primary-700: #0E1A30;
  --clr-primary-800: #0A1628;
  --clr-primary-900: #050E1A;

  --clr-gold: #C9A23D;
  --clr-gold-light: #E8C96A;
  --clr-gold-dark: #A07D2A;
  --clr-gold-50: #FDF7E8;
  --clr-gold-100: #F5E4B8;

  --clr-secondary: #2A5A5A;
  --clr-secondary-light: #4A8A8A;
  --clr-secondary-dark: #1A3A3A;

  --clr-accent: #D4A843;
  --clr-accent-light: #E8C96A;
  --clr-accent-dark: #A07D2A;

  --shadow-3d-sm: 0 2px 8px rgba(10, 22, 40, 0.08), 0 1px 2px rgba(10, 22, 40, 0.06);
  --shadow-3d-md: 0 4px 16px rgba(10, 22, 40, 0.10), 0 2px 4px rgba(10, 22, 40, 0.06), 0 8px 32px rgba(201, 162, 61, 0.04);
  --shadow-3d-lg: 0 8px 32px rgba(10, 22, 40, 0.12), 0 4px 8px rgba(10, 22, 40, 0.08), 0 16px 48px rgba(201, 162, 61, 0.06);
  --shadow-3d-xl: 0 16px 48px rgba(10, 22, 40, 0.15), 0 8px 16px rgba(10, 22, 40, 0.10), 0 24px 64px rgba(201, 162, 61, 0.08);
  --shadow-gold: 0 4px 20px rgba(201, 162, 61, 0.25);
  --shadow-gold-lg: 0 8px 32px rgba(201, 162, 61, 0.30);

  --perspective-3d: 1200px;
  --rotate-3d-max: 8deg;
  --depth-card-lift: -20px;
}

/* ==========================================================================
   3D PERSPECTIVE CONTAINER
   ========================================================================== */

.scene-3d {
  perspective: var(--perspective-3d);
}

.card-3d {
  transform-style: preserve-3d;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.card-3d:hover {
  transform: rotateX(calc(var(--mouse-y, 0.5) * 2deg - 1deg))
             rotateY(calc(var(--mouse-x, 0.5) * -2deg + 1deg))
             translateZ(8px);
}

.card-3d-glow {
  position: relative;
}

.card-3d-glow::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--clr-gold), transparent 50%, var(--clr-primary-light));
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: -1;
  filter: blur(8px);
}

.card-3d-glow:hover::before {
  opacity: 0.4;
}

.card-3d-content {
  transform: translateZ(24px);
  position: relative;
  z-index: 1;
}

.card-3d-content-deep {
  transform: translateZ(48px);
}

/* ==========================================================================
   3D FLOATING ELEMENTS
   ========================================================================== */

.float-3d {
  animation: float-3d 6s ease-in-out infinite;
}

.float-3d-delayed {
  animation: float-3d 8s ease-in-out infinite 1s;
}

.float-3d-slow {
  animation: float-3d 10s ease-in-out infinite 2s;
}

@keyframes float-3d {
  0%, 100% { transform: translateY(0px) rotateX(0deg) rotateY(0deg); }
  25% { transform: translateY(-12px) rotateX(2deg) rotateY(-2deg); }
  50% { transform: translateY(-6px) rotateX(0deg) rotateY(2deg); }
  75% { transform: translateY(-18px) rotateX(-1deg) rotateY(-1deg); }
}

.float-3d-rotate {
  animation: float-3d-rotate 12s linear infinite;
}

@keyframes float-3d-rotate {
  0% { transform: rotateY(0deg) translateZ(30px); }
  100% { transform: rotateY(360deg) translateZ(30px); }
}

/* ==========================================================================
   3D GEOMETRIC SHAPES
   ========================================================================== */

.shape-3d {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  transform-style: preserve-3d;
}

.shape-3d-ring {
  width: 120px;
  height: 120px;
  border: 2px solid rgba(201, 162, 61, 0.15);
  border-radius: 50%;
  animation: float-3d 8s ease-in-out infinite;
}

.shape-3d-diamond {
  width: 60px;
  height: 60px;
  background: rgba(201, 162, 61, 0.08);
  transform: rotate(45deg);
  animation: float-3d 10s ease-in-out infinite 1s;
}

.shape-3d-cube {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(201, 162, 61, 0.12);
  border-radius: 8px;
  animation: float-3d 7s ease-in-out infinite 0.5s;
}

.shape-3d-dot {
  width: 8px;
  height: 8px;
  background: var(--clr-gold);
  border-radius: 50%;
  animation: float-3d 5s ease-in-out infinite;
}

/* ==========================================================================
   DEPTH / PARALLAX HELPERS
   ========================================================================== */

.layer-back {
  z-index: 1;
  transform: translateZ(-40px) scale(0.92);
}

.layer-mid {
  z-index: 2;
  transform: translateZ(0);
}

.layer-front {
  z-index: 3;
  transform: translateZ(40px) scale(1.08);
}

.depth-card {
  position: relative;
  background: var(--clr-white);
  border-radius: 20px;
  box-shadow: var(--shadow-3d-md);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.depth-card:hover {
  box-shadow: var(--shadow-3d-lg);
  transform: translateY(-4px);
}

.depth-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(201, 162, 61, 0.03), transparent 60%);
  pointer-events: none;
}

/* ==========================================================================
   3D BUTTON STYLES
   ========================================================================== */

.btn-3d {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 2rem;
  border: none;
  border-radius: 14px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  transform-style: preserve-3d;
}

.btn-3d-primary {
  background: linear-gradient(135deg, var(--clr-gold), var(--clr-gold-dark));
  color: var(--clr-primary-900);
  box-shadow: 0 4px 16px rgba(201, 162, 61, 0.3), 0 2px 4px rgba(10, 22, 40, 0.1);
}

.btn-3d-primary:hover {
  transform: translateY(-2px) translateZ(4px);
  box-shadow: 0 8px 24px rgba(201, 162, 61, 0.4), 0 4px 8px rgba(10, 22, 40, 0.1);
}

.btn-3d-primary:active {
  transform: translateY(1px) translateZ(-2px);
  box-shadow: 0 2px 8px rgba(201, 162, 61, 0.2);
}

.btn-3d-outline {
  background: transparent;
  color: var(--clr-gold);
  border: 1.5px solid rgba(201, 162, 61, 0.4);
  box-shadow: 0 2px 8px rgba(10, 22, 40, 0.06);
}

.btn-3d-outline:hover {
  background: rgba(201, 162, 61, 0.06);
  border-color: var(--clr-gold);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(201, 162, 61, 0.15);
}

.btn-3d-dark {
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
  color: var(--clr-white);
  box-shadow: 0 4px 16px rgba(10, 22, 40, 0.2);
}

.btn-3d-dark:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(10, 22, 40, 0.3);
}

.btn-3d-gold-outline {
  background: transparent;
  color: var(--clr-gold);
  border: 2px solid var(--clr-gold);
  padding: 0.7rem 1.75rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-3d-gold-outline:hover {
  background: var(--clr-gold);
  color: var(--clr-primary-900);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

/* ==========================================================================
   3D TEXT EFFECTS
   ========================================================================== */

.text-3d-gold {
  background: linear-gradient(135deg, var(--clr-gold-light), var(--clr-gold), var(--clr-gold-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 2px 4px rgba(201, 162, 61, 0.2));
}

.text-3d-shadow {
  text-shadow: 0 1px 2px rgba(10, 22, 40, 0.08), 0 4px 12px rgba(10, 22, 40, 0.04);
}

.text-3d-deep {
  color: var(--clr-primary-900);
  text-shadow: 0 2px 4px rgba(10, 22, 40, 0.06);
}

/* ==========================================================================
   3D GLASS / DEPTH GLASS
   ========================================================================== */

.glass-3d {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-3d-md);
}

.glass-3d-light {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: var(--shadow-3d-sm);
}

.glass-3d-dark {
  background: rgba(10, 22, 40, 0.6);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow-3d-md);
}

.glass-3d-card {
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-3d-md);
  transition: all 0.3s ease;
}

.glass-3d-card:hover {
  box-shadow: var(--shadow-3d-lg);
  border-color: rgba(201, 162, 61, 0.2);
}

.dark-mode .glass-3d-card {
  background: rgba(10, 22, 40, 0.5);
  border-color: rgba(255, 255, 255, 0.04);
}

/* ==========================================================================
   3D PROPERTY CARDS
   ========================================================================== */

.property-card-3d {
  position: relative;
  background: var(--clr-white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-3d-sm);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  transform-style: preserve-3d;
  cursor: pointer;
}

.property-card-3d:hover {
  box-shadow: var(--shadow-3d-lg);
  transform: translateY(-6px) rotateX(2deg);
}

.property-card-3d .card-3d-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--clr-primary-100);
}

.property-card-3d .card-3d-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.property-card-3d:hover .card-3d-img img {
  transform: scale(1.08);
}

.property-card-3d .card-3d-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 22, 40, 0.4) 0%, transparent 50%);
  z-index: 1;
  pointer-events: none;
}

.property-card-3d .card-3d-body {
  padding: 1.25rem;
  position: relative;
  z-index: 2;
}

.property-card-3d .card-3d-body .prop-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--clr-primary-900);
  margin-bottom: 0.25rem;
  line-height: 1.3;
}

.property-card-3d .card-3d-body .prop-location {
  font-size: 0.8rem;
  color: var(--clr-primary-400);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.5rem;
}

.property-card-3d .card-3d-body .prop-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
}

.property-card-3d .card-3d-body .prop-rating {
  color: var(--clr-gold);
  font-weight: 600;
}

.property-card-3d .card-3d-body .prop-price {
  font-weight: 700;
  color: var(--clr-primary);
  font-size: 1rem;
}

.property-card-3d .card-3d-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 3;
  padding: 0.25rem 0.75rem;
  background: rgba(10, 22, 40, 0.7);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 9999px;
  color: #fff;
  font-size: 0.7rem;
  font-weight: 600;
}

.property-card-3d .card-3d-wishlist {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 3;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border: none;
  border-radius: 50%;
  color: var(--clr-primary-400);
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.85rem;
}

.property-card-3d .card-3d-wishlist:hover {
  background: #fff;
  color: #EF4444;
  transform: scale(1.1);
}

.dark-mode .property-card-3d {
  background: var(--clr-primary-700);
}

.dark-mode .property-card-3d .card-3d-body .prop-title {
  color: var(--clr-gold-50);
}

.dark-mode .property-card-3d .card-3d-body .prop-location {
  color: var(--clr-primary-200);
}

/* ==========================================================================
   3D SECTION HEADERS
   ========================================================================== */

.section-header-3d {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header-3d .section-label-3d {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background: rgba(201, 162, 61, 0.08);
  border: 1px solid rgba(201, 162, 61, 0.15);
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--clr-gold);
  margin-bottom: 1rem;
}

.section-header-3d h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--clr-primary-900);
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.section-header-3d p {
  font-size: 1.05rem;
  color: var(--clr-primary-400);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.6;
}

.dark-mode .section-header-3d h2 {
  color: var(--clr-gold-50);
}

.dark-mode .section-header-3d p {
  color: var(--clr-primary-200);
}

/* ==========================================================================
   3D SCROLL REVEAL
   ========================================================================== */

.reveal-3d {
  opacity: 0;
  transform: translateY(30px) perspective(600px) rotateX(4deg);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-3d.visible {
  opacity: 1;
  transform: translateY(0) perspective(600px) rotateX(0deg);
}

.reveal-3d-left {
  opacity: 0;
  transform: translateX(-40px) perspective(600px) rotateY(4deg);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-3d-left.visible {
  opacity: 1;
  transform: translateX(0) perspective(600px) rotateY(0deg);
}

.reveal-3d-right {
  opacity: 0;
  transform: translateX(40px) perspective(600px) rotateY(-4deg);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-3d-right.visible {
  opacity: 1;
  transform: translateX(0) perspective(600px) rotateY(0deg);
}

.reveal-3d-scale {
  opacity: 0;
  transform: scale(0.88) perspective(600px) translateZ(-20px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-3d-scale.visible {
  opacity: 1;
  transform: scale(1) perspective(600px) translateZ(0);
}

/* ==========================================================================
   3D DIVIDERS
   ========================================================================== */

.divider-3d {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201, 162, 61, 0.2), transparent);
  margin: 4rem 0;
  position: relative;
}

.divider-3d::before {
  content: '';
  position: absolute;
  top: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  background: var(--clr-gold);
  border-radius: 50%;
  opacity: 0.5;
}

/* ==========================================================================
   3D SECTIONS (Alternating Backgrounds)
   ========================================================================== */

.section-3d-dark {
  background: linear-gradient(180deg, var(--clr-primary-800), var(--clr-primary-900));
  color: var(--clr-white);
  position: relative;
  overflow: hidden;
}

.section-3d-dark::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(201, 162, 61, 0.03) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(201, 162, 61, 0.02) 0%, transparent 50%);
  pointer-events: none;
}

.section-3d-light {
  background: linear-gradient(180deg, #FAF6F0, #F5F0E8);
  position: relative;
  overflow: hidden;
}

.section-3d-light::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse at 30% 80%, rgba(201, 162, 61, 0.03) 0%, transparent 50%);
  pointer-events: none;
}

.section-3d-white {
  background: var(--clr-white);
  position: relative;
  overflow: hidden;
}

/* ==========================================================================
   3D STAT CARDS
   ========================================================================== */

.stat-3d {
  text-align: center;
  padding: 1.5rem;
  position: relative;
}

.stat-3d .stat-icon-3d {
  width: 56px;
  height: 56px;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(201, 162, 61, 0.1), rgba(201, 162, 61, 0.05));
  border: 1px solid rgba(201, 162, 61, 0.15);
  border-radius: 16px;
  font-size: 1.5rem;
  color: var(--clr-gold);
  transform: rotateX(10deg);
  transition: transform 0.3s ease;
}

.stat-3d:hover .stat-icon-3d {
  transform: rotateX(0deg) scale(1.05);
}

.stat-3d .stat-number-3d {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--clr-gold-light), var(--clr-gold), var(--clr-gold-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat-3d .stat-label-3d {
  font-size: 0.85rem;
  color: var(--clr-primary-400);
  font-weight: 500;
}

.dark-mode .stat-3d .stat-label-3d {
  color: var(--clr-primary-200);
}

/* ==========================================================================
   3D SHIMMER / SKELETON
   ========================================================================== */

.shimmer-3d {
  background: linear-gradient(90deg,
    var(--clr-primary-100) 25%,
    var(--clr-primary-50) 50%,
    var(--clr-primary-100) 75%
  );
  background-size: 200% 100%;
  animation: shimmer-3d-slide 1.5s ease-in-out infinite;
  border-radius: 12px;
}

@keyframes shimmer-3d-slide {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.dark-mode .shimmer-3d {
  background: linear-gradient(90deg,
    var(--clr-primary-600) 25%,
    var(--clr-primary-500) 50%,
    var(--clr-primary-600) 75%
  );
}

/* ==========================================================================
   3D SPINNER
   ========================================================================== */

.spinner-3d {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(201, 162, 61, 0.15);
  border-top-color: var(--clr-gold);
  border-radius: 50%;
  animation: spin-3d 0.8s cubic-bezier(0.5, 0, 0.5, 1) infinite;
  transform-style: preserve-3d;
}

@keyframes spin-3d {
  to { transform: rotateZ(360deg) rotateX(10deg); }
}

/* ==========================================================================
   3D TOAST
   ========================================================================== */

.toast-3d {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--clr-white);
  border-radius: 16px;
  box-shadow: var(--shadow-3d-lg);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transform: translateY(120%) perspective(400px) rotateX(10deg);
  opacity: 0;
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-3d.show {
  transform: translateY(0) perspective(400px) rotateX(0deg);
  opacity: 1;
}

.toast-3d .toast-icon-3d {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.toast-3d .toast-icon-3d.success {
  background: rgba(201, 162, 61, 0.12);
  color: var(--clr-gold);
}

.toast-3d .toast-icon-3d.error {
  background: rgba(239, 68, 68, 0.12);
  color: #EF4444;
}

.toast-3d .toast-body-3d .toast-title-3d {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--clr-primary-900);
}

.toast-3d .toast-body-3d .toast-message-3d {
  font-size: 0.75rem;
  color: var(--clr-primary-400);
}

.toast-3d .toast-close-3d {
  background: none;
  border: none;
  color: var(--clr-primary-300);
  cursor: pointer;
  padding: 0.25rem;
  transition: color 0.15s ease;
}

.dark-mode .toast-3d {
  background: var(--clr-primary-700);
  border-color: rgba(255, 255, 255, 0.04);
}

.dark-mode .toast-3d .toast-body-3d .toast-title-3d {
  color: var(--clr-gold-50);
}

/* ==========================================================================
   3D BADGE / TAG
   ========================================================================== */

.tag-3d {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.75rem;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.tag-3d-gold {
  background: rgba(201, 162, 61, 0.1);
  color: var(--clr-gold);
  border: 1px solid rgba(201, 162, 61, 0.15);
}

.tag-3d-success {
  background: rgba(16, 185, 129, 0.1);
  color: #10B981;
  border: 1px solid rgba(16, 185, 129, 0.15);
}

.tag-3d-error {
  background: rgba(239, 68, 68, 0.1);
  color: #EF4444;
  border: 1px solid rgba(239, 68, 68, 0.15);
}

/* ==========================================================================
   NAVBAR 3D
   ========================================================================== */

.navbar-3d {
  background: rgba(255, 255, 255, 0.75) !important;
  backdrop-filter: blur(24px) !important;
  -webkit-backdrop-filter: blur(24px) !important;
  border-bottom: 1px solid rgba(201, 162, 61, 0.08) !important;
  box-shadow: var(--shadow-3d-sm) !important;
}

.dark-mode .navbar-3d {
  background: rgba(10, 22, 40, 0.8) !important;
  border-bottom-color: rgba(255, 255, 255, 0.04) !important;
}

.navbar-3d.scrolled {
  background: rgba(255, 255, 255, 0.85) !important;
}

.dark-mode .navbar-3d.scrolled {
  background: rgba(10, 22, 40, 0.9) !important;
}

/* ==========================================================================
   RESPONSIVE GRID
   ========================================================================== */

.grid-3d {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

/* ==========================================================================
   DARK MODE OVERRIDES
   ========================================================================== */

.dark-mode .depth-card {
  background: var(--clr-primary-700);
  border-color: rgba(255, 255, 255, 0.04);
}

.dark-mode .depth-card:hover {
  background: var(--clr-primary-600);
}

.dark-mode .page-header-3d h1 {
  color: var(--clr-gold-50);
}

.dark-mode .page-header-3d p {
  color: var(--clr-primary-200);
}

.dark-mode .dropdown-menu {
  background: var(--clr-primary-700);
  border-color: rgba(255, 255, 255, 0.06);
}

.dark-mode .dropdown-item {
  color: var(--clr-primary-200);
}

.dark-mode .dropdown-item:hover {
  background: rgba(201, 162, 61, 0.08);
  color: var(--clr-gold-light);
}

/* ==========================================================================
   SELECTION
   ========================================================================== */

::selection {
  background: var(--clr-gold);
  color: var(--clr-primary-900);
}

/* ==========================================================================
   FORM REFINEMENTS
   ========================================================================== */

.form-input-3d:focus {
  border-color: var(--clr-gold);
  box-shadow: 0 0 0 3px rgba(201, 162, 61, 0.12);
}

/* ==========================================================================
   PREMIUM TABLE
   ========================================================================== */

.table-3d {
  width: 100%;
  border-collapse: collapse;
}

.table-3d th {
  text-align: left;
  padding: 0.75rem 1.25rem;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--clr-gold);
  background: rgba(201, 162, 61, 0.04);
  border-bottom: 1px solid rgba(201, 162, 61, 0.1);
}

.table-3d td {
  padding: 0.75rem 1.25rem;
  font-size: 0.875rem;
  color: var(--clr-primary-700);
  border-bottom: 1px solid var(--clr-primary-100);
  vertical-align: middle;
}

.table-3d tbody tr {
  transition: background 0.15s ease;
}

.table-3d tbody tr:hover {
  background: rgba(201, 162, 61, 0.04);
}

.dark-mode .table-3d th {
  background: rgba(201, 162, 61, 0.06);
}

.dark-mode .table-3d td {
  color: var(--clr-primary-200);
  border-bottom-color: rgba(255, 255, 255, 0.04);
}

.dark-mode .table-3d tbody tr:hover {
  background: rgba(201, 162, 61, 0.06);
}

/* ==========================================================================
   AVATAR 3D
   ========================================================================== */

.avatar-3d {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(201, 162, 61, 0.2);
  transition: border-color 0.2s ease;
}

.avatar-3d:hover {
  border-color: var(--clr-gold);
}

.avatar-3d-initials {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--clr-gold), var(--clr-gold-dark));
  color: var(--clr-primary-900);
  font-weight: 700;
  font-size: 0.875rem;
  flex-shrink: 0;
}

/* ==========================================================================
   MISC HELPERS
   ========================================================================== */

.cursor-pointer {
  cursor: pointer;
}

.floating-gold {
  animation: float-3d 6s ease-in-out infinite;
}

@keyframes pulse-gold {
  0%, 100% { box-shadow: 0 0 0 0 rgba(201, 162, 61, 0.3); }
  50% { box-shadow: 0 0 0 12px rgba(201, 162, 61, 0); }
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */

@keyframes bounce {
  0%, 100%, 20%, 50%, 80% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-8px); }
  60% { transform: translateX(-50%) translateY(-4px); }
}

@keyframes chevron-bounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(6px); opacity: 0.5; }
}

.hero-pill:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.2);
  color: #fff !important;
}

.dark-mode .hero-pill {
  border-color: rgba(255,255,255,0.06);
}

.dark-mode .hero-pill:hover {
  background: rgba(201,162,61,0.08);
  border-color: rgba(201,162,61,0.2);
}

/* ==========================================================================
   CURSOR & INTERACTION
   ========================================================================== */

.property-card-3d,
.depth-card,
.card-3d,
.category-filter-item,
.property-card,
.card-clickable,
[onclick],
a:not(.nav-link):not(.footer-link),
.btn,
.card .card-body {
  cursor: pointer;
}

.card-3d,
.property-card-3d,
.depth-card {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-3d:hover,
.property-card-3d:hover,
.depth-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-3d-lg);
}

/* Focus visible for keyboard nav */
.card-3d:focus-visible,
.property-card-3d:focus-visible,
.depth-card:focus-visible,
.btn-3d-primary:focus-visible,
.btn-3d-outline:focus-visible {
  outline: 2px solid var(--clr-gold);
  outline-offset: 2px;
}

.btn-3d-primary,
.btn-3d-outline {
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Image hover zoom */
.property-card-3d .card-img-top,
.depth-card .card-img-top {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.property-card-3d:hover .card-img-top,
.depth-card:hover .card-img-top {
  transform: scale(1.05);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 768px) {
  .hero-search-mobile-stack form > div {
    flex-direction: column;
    gap: 0.25rem;
  }
  .hero-search-mobile-stack .search-divider {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal-3d,
  .reveal-3d-left,
  .reveal-3d-right,
  .reveal-3d-scale,
  .float-3d,
  .float-3d-delayed,
  .float-3d-slow {
    animation: none !important;
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
  }

  .card-3d:hover,
  .property-card-3d:hover {
    transform: none !important;
  }
}