/* ==========================================================================
   KUSMA STONE GALLERY - LUXURY ENTERPRISE CSS DESIGN SYSTEM
   Inspired by Kajaria, Somany, Asian Granito & Royal Italian Showrooms
   ========================================================================== */
/* Google Fonts moved to <head> in header.php for non-blocking async preconnect performance */

:root {
  --ksg-gold: #C89B3C;
  --ksg-gold-light: #dfb867;
  --ksg-gold-dark: #9e7626;
  --ksg-gold-gradient: linear-gradient(135deg, #C89B3C 0%, #dfb867 50%, #9e7626 100%);
  --ksg-black: #111111;
  --ksg-charcoal: #1a1a1a;
  --ksg-dark-card: #222222;
  --ksg-brown: #3e2723;
  --ksg-white: #ffffff;
  --ksg-offwhite: #f8f9fa;
  --ksg-text: #333333;
  --ksg-text-muted: #6c757d;
  --ksg-border: rgba(200, 155, 60, 0.2);
  --ksg-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  --ksg-shadow-gold: 0 10px 25px rgba(200, 155, 60, 0.25);
  --ksg-glass: rgba(255, 255, 255, 0.85);
  --ksg-glass-dark: rgba(17, 17, 17, 0.85);
  --ksg-transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  --ksg-radius: 12px;
}

/* Dark Mode Overrides */
[data-theme="dark"] {
  --ksg-black: #ffffff;
  --ksg-white: #111111;
  --ksg-offwhite: #181818;
  --ksg-text: #e0e0e0;
  --ksg-text-muted: #a0a0a0;
  --ksg-border: rgba(200, 155, 60, 0.3);
  --ksg-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  --ksg-glass: rgba(24, 24, 24, 0.9);
}

/* ==========================================================================
   Base Styles & Typography
   ========================================================================== */
html {
  overflow-x: hidden !important;
  max-width: 100% !important;
  width: 100%;
}

body {
  font-family: 'Poppins', sans-serif;
  color: var(--ksg-text);
  background-color: var(--ksg-offwhite);
  line-height: 1.7;
  overflow-x: hidden !important;
  max-width: 100% !important;
  width: 100%;
  position: relative;
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, .font-heading {
  font-family: 'Playfair Display', serif;
  color: var(--ksg-black);
  font-weight: 700;
}

h4, h5, h6, .font-subheading {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  color: var(--ksg-black);
}

a {
  color: var(--ksg-gold);
  text-decoration: none;
  transition: var(--ksg-transition);
}

a:hover {
  color: var(--ksg-gold-light);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: #1a1a1a;
}
::-webkit-scrollbar-thumb {
  background: var(--ksg-gold);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--ksg-gold-light);
}

/* ==========================================================================
   Luxury Buttons & Inputs
   ========================================================================== */
.btn-luxury {
  background: var(--ksg-gold-gradient);
  color: #111111 !important;
  font-weight: 600;
  font-family: 'Montserrat', sans-serif;
  padding: 12px 28px;
  border-radius: 50px;
  border: none;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.85rem;
  box-shadow: var(--ksg-shadow-gold);
  transition: var(--ksg-transition);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-luxury::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: #111111;
  transition: var(--ksg-transition);
  z-index: -1;
  opacity: 0;
}

.btn-luxury:hover {
  color: #ffffff !important;
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.4);
}

.btn-luxury:hover::before {
  opacity: 1;
}

.btn-outline-luxury {
  background: transparent;
  color: var(--ksg-gold) !important;
  border: 2px solid var(--ksg-gold);
  font-weight: 600;
  padding: 10px 26px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.85rem;
  transition: var(--ksg-transition);
}

.btn-outline-luxury:hover {
  background: var(--ksg-gold);
  color: #111 !important;
  box-shadow: var(--ksg-shadow-gold);
}

.form-control, .form-select {
  border-radius: 8px;
  border: 1px solid rgba(0,0,0,0.15);
  padding: 12px 18px;
  background: var(--ksg-white);
  color: var(--ksg-text);
  transition: var(--ksg-transition);
}

[data-theme="dark"] .form-control, [data-theme="dark"] .form-select {
  border-color: rgba(255,255,255,0.15);
}

.form-control:focus, .form-select:focus {
  border-color: var(--ksg-gold);
  box-shadow: 0 0 0 0.25rem rgba(200, 155, 60, 0.25);
  background: var(--ksg-white);
  color: var(--ksg-text);
}

/* ==========================================================================
   Sticky Header & Mega Menu
   ========================================================================== */
.top-bar {
  background-color: #111111;
  color: #aaaaaa;
  font-size: 0.8rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(200, 155, 60, 0.3);
}

.top-bar a {
  color: #cccccc;
}

.top-bar a:hover {
  color: var(--ksg-gold);
}

.navbar-luxury {
  background: var(--ksg-glass);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  padding: 15px 0;
  border-bottom: 1px solid var(--ksg-border);
  transition: var(--ksg-transition);
}

.navbar-luxury.sticky-top {
  box-shadow: var(--ksg-shadow);
}

.navbar-brand img {
  height: 50px;
  transition: var(--ksg-transition);
}

.navbar-nav .nav-link {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ksg-black) !important;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 10px 18px !important;
  position: relative;
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  width: 0; height: 2px;
  background: var(--ksg-gold);
  transition: var(--ksg-transition);
  transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after, .navbar-nav .nav-link.active::after {
  width: 70%;
}

/* Mega Menu */
.mega-menu {
  position: static !important;
}

.mega-menu-content {
  position: absolute;
  left: 0; right: 0; width: 100%;
  background: var(--ksg-white);
  border-radius: 0 0 15px 15px;
  border: 1px solid var(--ksg-border);
  border-top: 3px solid var(--ksg-gold);
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
  padding: 35px;
  display: none;
  z-index: 1000;
}

.mega-menu:hover .mega-menu-content {
  display: block;
  animation: fadeInDown 0.3s ease;
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.mega-menu-title {
  font-family: 'Playfair Display', serif;
  color: var(--ksg-gold);
  font-size: 1.1rem;
  font-weight: 700;
  border-bottom: 1px solid var(--ksg-border);
  padding-bottom: 8px;
  margin-bottom: 15px;
}

.mega-menu-list {
  list-style: none;
  padding: 0;
}

.mega-menu-list li {
  margin-bottom: 10px;
}

.mega-menu-list a {
  color: var(--ksg-text);
  font-size: 0.9rem;
  transition: var(--ksg-transition);
  display: flex;
  align-items: center;
}

.mega-menu-list a:hover {
  color: var(--ksg-gold);
  transform: translateX(5px);
}

/* ==========================================================================
   Luxury Card & Grid System
   ========================================================================== */
.card-luxury {
  background: var(--ksg-white);
  border: 1px solid var(--ksg-border);
  border-radius: var(--ksg-radius);
  overflow: hidden;
  box-shadow: var(--ksg-shadow);
  transition: var(--ksg-transition);
  height: 100%;
  position: relative;
}

.card-luxury:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(200, 155, 60, 0.2);
  border-color: var(--ksg-gold);
}

.card-img-wrapper {
  position: relative;
  overflow: hidden;
  padding-top: 75%; /* 4:3 Aspect Ratio */
}

.card-img-wrapper img {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.card-luxury:hover .card-img-wrapper img {
  transform: scale(1.12);
}

.badge-offer {
  position: absolute;
  top: 15px; left: 15px;
  background: var(--ksg-gold-gradient);
  color: #111;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 5px 12px;
  border-radius: 50px;
  z-index: 2;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.badge-new {
  position: absolute;
  top: 15px; right: 15px;
  background: #111;
  color: #fff;
  font-weight: 600;
  font-size: 0.75rem;
  padding: 5px 12px;
  border-radius: 50px;
  z-index: 2;
}

/* ==========================================================================
   Section Styling & Headers
   ========================================================================== */
.section-padding {
  padding: 90px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title .subtitle {
  font-family: 'Montserrat', sans-serif;
  color: var(--ksg-gold);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 0.85rem;
  font-weight: 600;
  display: block;
  margin-bottom: 10px;
}

.section-title h2 {
  font-size: 2.5rem;
  position: relative;
  display: inline-block;
  padding-bottom: 15px;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 80px; height: 3px;
  background: var(--ksg-gold-gradient);
}

/* ==========================================================================
   Interactive Before & After Project Slider
   ========================================================================== */
.before-after-container {
  position: relative;
  overflow: hidden;
  border-radius: var(--ksg-radius);
  box-shadow: var(--ksg-shadow);
  user-select: none;
  aspect-ratio: 16 / 9;
}

.before-after-img {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  object-fit: cover;
}

.before-img-wrapper {
  position: absolute;
  top: 0; left: 0; width: 50%; height: 100%;
  overflow: hidden;
  z-index: 1;
}

.before-img-wrapper img {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  object-fit: cover;
  max-width: none !important;
}

.slider-handle {
  position: absolute;
  top: 0; left: 50%;
  width: 4px; height: 100%;
  background: var(--ksg-gold);
  z-index: 2;
  cursor: ew-resize;
}

.slider-button {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 44px; height: 44px;
  background: var(--ksg-gold);
  color: #111;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px rgba(0,0,0,0.5);
  font-size: 14px;
}

/* ==========================================================================
   Footer & Floating Widgets
   ========================================================================== */
.footer-luxury {
  background-color: #111111;
  color: #aaaaaa;
  padding-top: 80px;
  border-top: 3px solid var(--ksg-gold);
  position: relative;
}

.footer-luxury h5 {
  color: #ffffff;
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  margin-bottom: 25px;
  position: relative;
  padding-bottom: 10px;
}

.footer-luxury h5::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 40px; height: 2px;
  background: var(--ksg-gold);
}

.footer-links {
  list-style: none;
  padding: 0;
}

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

.footer-links a {
  color: #aaaaaa;
  transition: var(--ksg-transition);
}

.footer-links a:hover {
  color: var(--ksg-gold);
  padding-left: 8px;
}

/* Sticky Mobile Quick-Call/Quote Bar */
.sticky-mobile-bar {
  position: fixed;
  bottom: 0; left: 0; width: 100%;
  background: rgba(17, 17, 17, 0.98);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid rgba(200, 155, 60, 0.4);
  display: flex;
  z-index: 1040;
  padding: 10px 0;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.6);
}

.sticky-mobile-bar a {
  flex: 1;
  text-align: center;
  color: #ffffff;
  font-weight: 600;
  font-size: clamp(0.78rem, 3.2vw, 0.88rem);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  white-space: nowrap !important;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 0 4px;
  text-decoration: none;
  transition: all 0.2s ease;
}

.sticky-mobile-bar a:not(:last-child) {
  border-right: 1px solid rgba(255, 255, 255, 0.15);
}

.sticky-mobile-bar a:first-child {
  color: var(--ksg-gold);
}

.sticky-mobile-bar a:nth-child(2) {
  color: #25D366;
}

.sticky-mobile-bar a i {
  font-size: 1.45rem;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.sticky-mobile-bar a:active i,
.sticky-mobile-bar a:hover i {
  transform: scale(1.15);
}

/* ==========================================================================
   Hero Banner Carousel Fixed Height Styling
   ========================================================================== */
.hero-slide-item {
  height: 580px !important;
  min-height: 580px !important;
  max-height: 580px !important;
  overflow: hidden;
  position: relative;
  background-color: #111;
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover;
}

.hero-slide-container {
  height: 100% !important;
  display: flex !important;
  align-items: center !important;
  z-index: 2;
}

.hero-slide-img-card {
  height: 440px !important;
  width: 100%;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(200, 155, 60, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border-radius: 1rem;
  padding: 0.5rem;
  box-shadow: 0 1rem 3rem rgba(0,0,0,0.5);
}

.hero-slide-img-card img {
  height: 410px !important;
  width: 100% !important;
  object-fit: contain !important;
  background: #ffffff;
  border-radius: 0.5rem;
}

/* ==========================================================================
   Comprehensive Responsive Adjustments for All Mobile Devices & Screens
   ========================================================================== */
@media (max-width: 991.98px) {
  .hero-slide-item {
    height: auto !important;
    min-height: 500px !important;
    max-height: none !important;
    padding: 40px 0;
  }
  .section-title h2 { font-size: 2rem; }
  .mega-menu-content { position: static; box-shadow: none; padding: 15px; }
  .navbar-nav .nav-link::after { display: none; }
  body { padding-bottom: 60px; /* Room for sticky mobile bar on tablet & mobile */ }
}

@media (max-width: 767.98px) {
  .section-padding { padding: 60px 0; }
  .hero-slide-container { padding-top: 1rem !important; padding-bottom: 1rem !important; }
  .display-3, .display-4 { font-size: 1.8rem !important; line-height: 1.3 !important; }
  .hero-slide-item .lead { font-size: 0.95rem !important; margin-bottom: 1.5rem !important; }
  .hero-slide-item .btn { padding: 10px 20px !important; font-size: 0.82rem !important; }
  .navbar-brand img { max-height: 48px !important; }
  
  /* Prevent any Bootstrap row or flex container from overflowing horizontally on mobile */
  .row {
    max-width: 100% !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }
  .row > * {
    padding-left: calc(var(--bs-gutter-x, 1.5rem) * 0.5);
    padding-right: calc(var(--bs-gutter-x, 1.5rem) * 0.5);
  }
  
  /* Ensure images inside cards and sliders never overflow */
  .card, .card-luxury, .before-after-container {
    max-width: 100%;
    overflow: hidden;
  }
  
  /* Optimize luxury cards for 2-column mobile viewports */
  .card-luxury .card-body {
    padding: 0.85rem !important;
  }
  .card-luxury h6.font-heading, .card-luxury h5.font-heading {
    font-size: 0.88rem !important;
    margin-bottom: 0.35rem !important;
  }
  .card-luxury .fs-5 {
    font-size: 0.95rem !important;
  }
  .card-luxury .btn {
    padding: 0.4rem 0.6rem !important;
    font-size: 0.78rem !important;
  }
  .badge-offer, .badge-new {
    top: 8px !important;
    left: 8px !important;
    font-size: 0.65rem !important;
    padding: 3px 8px !important;
  }
}

@media (max-width: 575.98px) {
  .hero-slide-item {
    min-height: 440px !important;
    padding: 25px 0;
  }
  .display-3, .display-4 { font-size: 1.5rem !important; }
  .section-title h2 { font-size: 1.5rem !important; }
  .section-padding { padding: 45px 0 !important; }
  .navbar-brand img { max-height: 42px !important; }
  .top-bar { font-size: 0.75rem; }
  .sticky-mobile-bar a { font-size: 0.78rem; gap: 4px; padding: 0 2px; }
  .sticky-mobile-bar a i { font-size: 1.05rem !important; }
  
  .card-luxury .card-body {
    padding: 0.7rem !important;
  }
  .card-luxury h6.font-heading {
    font-size: 0.82rem !important;
  }
  .card-luxury .btn {
    padding: 0.35rem 0.5rem !important;
    font-size: 0.72rem !important;
  }
}

/* Custom Thin Scrollbar for Sidebar Filter Catalog */
.custom-sidebar-scroll,
.filter-catalog-card {
  scrollbar-width: thin;
  scrollbar-color: rgba(200, 155, 60, 0.4) transparent;
}

.custom-sidebar-scroll::-webkit-scrollbar,
.filter-catalog-card::-webkit-scrollbar {
  width: 5px;
}

.custom-sidebar-scroll::-webkit-scrollbar-track,
.filter-catalog-card::-webkit-scrollbar-track {
  background: transparent;
}

.custom-sidebar-scroll::-webkit-scrollbar-thumb,
.filter-catalog-card::-webkit-scrollbar-thumb {
  background: rgba(200, 155, 60, 0.4);
  border-radius: 10px;
}

.custom-sidebar-scroll::-webkit-scrollbar-thumb:hover,
.filter-catalog-card::-webkit-scrollbar-thumb:hover {
  background: var(--ksg-gold);
}

/* Custom Luxury Sort Dropdown */
.sort-dropdown-menu .dropdown-item {
  transition: all 0.2s ease;
}

.sort-dropdown-menu .dropdown-item:hover:not(.active) {
  background-color: rgba(200, 155, 60, 0.15);
  color: #111;
  transform: translateX(3px);
}
