@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400;1,600&family=Karla:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Montserrat:wght@300;400;500;600;700&display=swap');

:root {
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Karla', ui-sans-serif, system-ui, sans-serif;
  --font-accent: 'Montserrat', sans-serif;

  /* ATS Knightsbridge Color Palette */
  --color-ink: #0e1217;
  --color-ink-light: #151a22;
  --color-ink-card: #12161f;
  --color-ink-card-hover: #1a202c;
  
  --color-gold: #caa056;
  --color-gold-soft: #dfba73;
  --color-gold-muted: rgba(202, 160, 86, 0.35);
  --color-gold-gradient: linear-gradient(135deg, #f0d59b 0%, #caa056 50%, #9e7529 100%);
  --color-gold-gradient-subtle: linear-gradient(135deg, rgba(223, 186, 115, 0.15) 0%, rgba(202, 160, 86, 0.05) 100%);

  --color-ivory: #f7f5f0;
  --color-ivory-80: rgba(247, 245, 240, 0.85);
  --color-ivory-60: rgba(247, 245, 240, 0.6);
  --color-border-ivory: rgba(202, 160, 86, 0.15);
  --color-border-gold: rgba(202, 160, 86, 0.3);

  --shadow-luxe: 0 10px 30px -10px rgba(0, 0, 0, 0.6), 0 0 20px rgba(202, 160, 86, 0.2);
}

/* Base resets & typography */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden !important;
}

body {
  background-color: var(--color-ink);
  color: var(--color-ivory);
  font-family: var(--font-sans);
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden !important;
  position: relative;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  touch-action: manipulation;
}

/* Mobile padding to prevent floating bar overlap */
@media (max-width: 768px) {
  body {
    padding-bottom: calc(4.5rem + env(safe-area-inset-bottom, 0px));
  }
}

/* Prevent iOS input zoom on focus */
@media screen and (max-width: 768px) {
  input, select, textarea {
    font-size: 16px !important;
  }
}

/* Smooth horizontal scrollbar hiding for tabs on mobile */
.no-scrollbar::-webkit-scrollbar {
  display: none;
}
.no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* Touch action optimization */
button, a {
  touch-action: manipulation;
}

img, svg, iframe, video {
  max-width: 100% !important;
  height: auto;
}

/* Offscreen performance optimization */
#amenities, #plans, #specifications, #neighborhood, #location, #faq {
  content-visibility: auto;
  contain-intrinsic-size: 1px 600px;
}

h1, h2, h3, h4, h5, .font-display {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: 0.02em;
}

.font-sans {
  font-family: var(--font-sans);
}

.font-accent {
  font-family: var(--font-accent);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: #090c10;
}
::-webkit-scrollbar-thumb {
  background: #242c3b;
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-gold);
}

/* Eyebrow badge / tags */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-gold-soft);
  font-weight: 600;
}

.eyebrow-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.9rem;
  border-radius: 9999px;
  background: rgba(202, 160, 86, 0.1);
  border: 1px solid rgba(202, 160, 86, 0.3);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold-soft);
  font-weight: 600;
  backdrop-filter: blur(8px);
}

/* Gold Text Shimmer */
.text-gold {
  color: var(--color-gold);
}

.text-gold-soft {
  color: var(--color-gold-soft);
}

.gold-gradient-text {
  background: var(--color-gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Gold Rule / Divider */
.gold-rule {
  background: var(--color-gold-gradient);
  width: 4rem;
  height: 1px;
  display: block;
}

.gold-rule-full {
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
  height: 1px;
  width: 100%;
}

/* Luxury Buttons (ATS Style) */
.btn-luxe {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.85rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  background: var(--color-gold-gradient);
  color: #0e1217;
  border: 1px solid transparent;
  box-shadow: 0 4px 20px rgba(202, 160, 86, 0.25);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, filter 0.3s ease;
  cursor: pointer;
}

.btn-luxe:hover {
  filter: brightness(1.08);
  box-shadow: 0 8px 30px rgba(202, 160, 86, 0.45);
  transform: translateY(-2px);
}

.btn-outline-luxe {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.85rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  background: rgba(14, 18, 23, 0.6);
  color: var(--color-ivory);
  border: 1px solid rgba(202, 160, 86, 0.45);
  backdrop-filter: blur(8px);
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
  cursor: pointer;
}

.btn-outline-luxe:hover {
  background-color: var(--color-gold);
  color: #0e1217;
  border-color: var(--color-gold);
  transform: translateY(-2px);
}

/* Header & Navigation Links */
.nav-link {
  position: relative;
  white-space: nowrap;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(247, 245, 240, 0.75);
  transition: color 0.25s ease;
  padding: 0.25rem 0;
  display: inline-block;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-gold-gradient);
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link:hover {
  color: var(--color-gold-soft);
}

.nav-link:hover::after {
  width: 100%;
}

/* Card & Panels (ATS Glass / Dark Ink) */
.luxe-panel {
  background-color: var(--color-ink-card);
  border: 1px solid var(--color-border-ivory);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.luxe-panel-hover {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease, border-color 0.3s ease;
}

.luxe-panel-hover:hover {
  transform: translateY(-4px);
  border-color: var(--color-gold);
  box-shadow: 0 20px 48px -10px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(202, 160, 86, 0.4);
}

/* ATS Knightsbridge Hero 5-Stats Single Row Grid */
.hero-stats-grid {
  display: grid !important;
  grid-template-columns: repeat(5, minmax(0, 1fr)) !important;
}

/* Explicit gold border & divider overrides (prevents white border fallback) */
.border-gold\/10 { border-color: rgba(202, 160, 86, 0.10) !important; }
.border-gold\/15 { border-color: rgba(202, 160, 86, 0.15) !important; }
.border-gold\/20 { border-color: rgba(202, 160, 86, 0.20) !important; }
.border-gold\/25 { border-color: rgba(202, 160, 86, 0.25) !important; }
.border-gold\/30 { border-color: rgba(202, 160, 86, 0.30) !important; }
.border-gold\/40 { border-color: rgba(202, 160, 86, 0.40) !important; }
.border-gold\/60 { border-color: rgba(202, 160, 86, 0.60) !important; }
.divide-gold\/15 > :not([hidden]) ~ :not([hidden]) { border-color: rgba(202, 160, 86, 0.15) !important; }
.divide-gold\/20 > :not([hidden]) ~ :not([hidden]) { border-color: rgba(202, 160, 86, 0.20) !important; }

@media (max-width: 990px) {
  .hero-stats-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
  }
}

@media (max-width: 640px) {
  .hero-stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }
}

/* Lookbook card image zoom */
.lookbook-card {
  position: relative;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease, border-color 0.3s ease;
}

.lookbook-card img {
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.lookbook-card:hover img {
  transform: scale(1.06);
}

.lookbook-shine {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.12) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.lookbook-card:hover .lookbook-shine {
  transform: translateX(100%);
}

/* Tab active state */
.tab-luxe-active {
  background-color: var(--color-gold) !important;
  color: #0e1217 !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 15px rgba(202, 160, 86, 0.35) !important;
  border-color: transparent !important;
}

/* Custom Accordion */
.accordion-content {
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
}

.accordion-item.active .accordion-content {
  max-height: 500px;
  opacity: 1;
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
  color: var(--color-gold);
}

/* Lightbox Modal */
.lightbox-modal {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lightbox-modal.active {
  opacity: 1;
  visibility: visible;
}

/* Toast */
#toast-notification {
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

#toast-notification.show {
  transform: translateY(0);
  opacity: 1;
}

/* Mobile Sticky Bar - strictly hidden on desktop */
@media (min-width: 768px) {
  .mobile-action-bar {
    display: none !important;
  }
}

@media (max-width: 767px) {
  .mobile-action-bar {
    display: grid !important;
  }
  body {
    padding-bottom: 72px;
  }
}