/* ==========================================================================
   PURI KABERAZ RESIDENCE - MODERN LUXURY REDESIGN STYLESHEET
   Location: Jagakarsa, Jakarta Selatan
   ========================================================================== */

:root {
  --primary-color: #C5A880; /* Warm Luxury Gold */
  --primary-hover: #b3946a;
  --primary-dark: #8C6D37;
  --secondary-color: #0F172A; /* Slate Deep Charcoal */
  --secondary-light: #1E293B;
  --accent-color: #10B981; /* Emerald available status */
  --bg-cream: #FAF9F6;
  --bg-card: #FFFFFF;
  --text-main: #1E293B;
  --text-muted: #64748B;
  --border-color: #E2E8F0;
  --gold-gradient: linear-gradient(135deg, #DFBA73 0%, #C5A880 50%, #9E7D42 100%);
  --dark-gradient: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-shadow: 0 8px 32px 0 rgba(15, 23, 42, 0.08);
}

html {
  scroll-behavior: smooth;
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  color: var(--text-main);
  background-color: #FFFFFF;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}

/* Selection */
::selection {
  background: #c5a880;
  color: #ffffff;
}

/* Glassmorphism Classes */
.glass-nav {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-nav.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
}

.glass-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(226, 232, 240, 0.9);
  box-shadow: 0 10px 30px -5px rgba(15, 23, 42, 0.05);
}

/* Gold Gradient Text & Elements */
.text-gold-gradient {
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.bg-gold-gradient {
  background: var(--gold-gradient);
}

.badge-gold {
  background: linear-gradient(135deg, rgba(197, 168, 128, 0.15) 0%, rgba(158, 125, 66, 0.2) 100%);
  border: 1px solid rgba(197, 168, 128, 0.4);
  color: #936B2B;
}

/* Hero Carousel */
.hero-swiper {
  width: 100%;
  height: 100vh;
  min-height: 680px;
}

.hero-slide {
  position: relative;
  background-size: cover;
  background-position: center;
}

.hero-overlay {
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.75) 0%, rgba(15, 23, 42, 0.88) 100%);
}

/* Luxury Button Styles */
.btn-gold {
  background: var(--gold-gradient);
  color: #ffffff;
  font-weight: 600;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(197, 168, 128, 0.35);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(197, 168, 128, 0.45);
  filter: brightness(1.05);
}

.btn-outline-gold {
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  font-weight: 600;
  transition: all 0.3s ease;
  background: transparent;
}

.btn-outline-gold:hover {
  background: var(--primary-color);
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-emerald {
  background: #10B981;
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
  transition: all 0.3s ease;
}

.btn-emerald:hover {
  background: #059669;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

/* Feature & Spec Cards */
.spec-card {
  transition: all 0.3s ease;
  border: 1px solid #F1F5F9;
}

.spec-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 30px -10px rgba(15, 23, 42, 0.08);
  border-color: rgba(197, 168, 128, 0.3);
}

/* Unit Cards */
.unit-card {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid #E2E8F0;
}

.unit-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.06), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  border-color: var(--primary-color);
}

.unit-card.sold-out {
  opacity: 0.85;
  background: #F8FAFC;
  border-color: #E2E8F0;
}

/* Floating WhatsApp Pulse */
.wa-floating-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: #25D366;
  color: #ffffff;
  padding: 12px 20px;
  border-radius: 9999px;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.wa-floating-btn:hover {
  background-color: #20BA56;
  transform: scale(1.05) translateY(-2px);
  box-shadow: 0 15px 30px rgba(37, 211, 102, 0.5);
  color: #ffffff;
}

.wa-pulse {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 9999px;
  border: 2px solid #25D366;
  animation: pulse-ring 2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
  pointer-events: none;
}

@keyframes pulse-ring {
  0% {
    transform: scale(0.95);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.15);
    opacity: 0;
  }
  100% {
    transform: scale(1.25);
    opacity: 0;
  }
}

/* Image Zoom on hover */
.img-zoom-container {
  overflow: hidden;
}

.img-zoom-container img {
  transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.img-zoom-container:hover img {
  transform: scale(1.06);
}

/* Lightbox Modal */
.lightbox-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.92);
  z-index: 10000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.lightbox-modal.active {
  display: flex;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: 12px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

/* Accordion Styling */
.faq-item {
  border-bottom: 1px solid #E2E8F0;
  transition: all 0.2s ease;
}

.faq-header {
  cursor: pointer;
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

.faq-icon {
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.active .faq-content {
  max-height: 400px;
  padding-bottom: 20px;
}

/* Swiper Pagination Custom */
.swiper-pagination-bullet {
  width: 10px;
  height: 10px;
  background: rgba(255, 255, 255, 0.5);
  opacity: 1;
  transition: all 0.3s ease;
}

.swiper-pagination-bullet-active {
  width: 32px;
  border-radius: 6px;
  background: var(--primary-color) !important;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .hero-swiper {
    height: 92vh;
    min-height: 580px;
  }
  .wa-floating-btn span {
    display: none;
  }
  .wa-floating-btn {
    padding: 14px;
    bottom: 20px;
    right: 20px;
  }
}