/* ==========================================================================
   Khoraniya Prime Properties - Luxury Design System & Styling
   ========================================================================== */

:root {
  /* Colors */
  --color-sand-50: #FAF8F5;
  --color-sand-100: #F3EFEA;
  --color-sand-200: #E7E0D5;
  --color-sand-300: #D8CEBE;
  --color-sand-400: #C2B39E;

  --color-gold-300: #E5CFA9;
  --color-gold-400: #D5BA8E;
  --color-gold-500: #C5A880;
  --color-gold-600: #A8885B;
  --color-gold-700: #886B40;

  --color-charcoal-700: #33383F;
  --color-charcoal-800: #202328;
  --color-charcoal-900: #141619;
  --color-charcoal-950: #0B0D0F;

  /* Typography */
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Elevation */
  --shadow-subtle: 0 4px 20px -2px rgba(20, 22, 25, 0.05);
  --shadow-card: 0 12px 32px -4px rgba(20, 22, 25, 0.08);
  --shadow-hover: 0 20px 40px -8px rgba(20, 22, 25, 0.14);
  --shadow-gold: 0 10px 30px -5px rgba(197, 168, 128, 0.28);
}

/* Base resets & typography */
html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  color: var(--color-charcoal-800);
  background-color: var(--color-sand-50);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  margin: 0;
  padding: 0;
}

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

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

/* Custom Selection */
::selection {
  background-color: var(--color-gold-500);
  color: #FFFFFF;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--color-sand-100);
}
::-webkit-scrollbar-thumb {
  background: var(--color-sand-300);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-gold-500);
}

/* Glassmorphism & Header */
.glass-header {
  background: rgba(250, 248, 245, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-header.scrolled {
  background: rgba(250, 248, 245, 0.97);
  box-shadow: 0 4px 24px -2px rgba(17, 18, 21, 0.07);
  padding-top: 0.85rem !important;
  padding-bottom: 0.85rem !important;
}

/* Button & Card Micro-Interactions */
.btn-gold {
  background: linear-gradient(135deg, #D5BA8E, #A8885B);
  color: #FFFFFF;
  font-weight: 600;
  letter-spacing: 0.025em;
  transition: all 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
  box-shadow: 0 4px 14px 0 rgba(168, 136, 91, 0.28);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px 0 rgba(168, 136, 91, 0.42);
  filter: brightness(1.05);
}

.btn-gold:active {
  transform: translateY(0);
}

.btn-outline-gold {
  border: 1px solid var(--color-gold-500);
  color: var(--color-gold-600);
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-outline-gold:hover {
  background-color: var(--color-gold-500);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.btn-outline-white {
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #FFFFFF;
  transition: all 0.25s ease;
  backdrop-filter: blur(6px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-outline-white:hover {
  border-color: #FFFFFF;
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

/* Luxury Property Cards */
.property-card {
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.35s ease;
  border: 1px solid var(--color-sand-200);
}

.property-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-gold-400);
}

.property-card:hover .property-img {
  transform: scale(1.05);
}

.property-img {
  transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Trust Pillar Cards */
.trust-card {
  transition: all 0.3s ease;
  border-bottom: 2px solid transparent;
}

.trust-card:hover {
  background: #FFFFFF;
  transform: translateY(-3px);
  box-shadow: var(--shadow-subtle);
  border-bottom-color: var(--color-gold-500);
}

/* Why Choose Us Cards */
.why-card {
  transition: all 0.3s ease;
  border: 1px solid var(--color-sand-200);
}

.why-card:hover {
  border-color: var(--color-gold-400);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

/* Accordion Smooth Height Animation */
.accordion-content {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.32s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
  opacity: 0;
}

.accordion-item.active .accordion-content {
  grid-template-rows: 1fr;
  opacity: 1;
}

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

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
  color: var(--color-gold-600);
}

.accordion-item {
  transition: border-color 0.25s ease;
}

.accordion-item.active {
  border-color: var(--color-gold-400);
  background-color: #FFFFFF;
}

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

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

.modal-panel {
  transform: scale(0.95) translateY(16px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
  opacity: 0;
}

.modal-backdrop.active .modal-panel {
  transform: scale(1) translateY(0);
  opacity: 1;
}

/* Mobile Sticky Action Bar */
.mobile-sticky-bar {
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.mobile-sticky-bar.hidden-by-scroll {
  transform: translateY(100%);
  opacity: 0;
  pointer-events: none;
}

/* Hero Overlay Gradients */
.hero-gradient {
  background: linear-gradient(
    180deg,
    rgba(11, 13, 15, 0.72) 0%,
    rgba(11, 13, 15, 0.85) 60%,
    rgba(11, 13, 15, 0.94) 100%
  );
}

.banner-gradient {
  background: linear-gradient(
    135deg,
    rgba(11, 13, 15, 0.88) 0%,
    rgba(20, 22, 25, 0.82) 50%,
    rgba(32, 35, 40, 0.78) 100%
  );
}

/* Accessibility Focus States */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-gold-500);
  outline-offset: 2px;
}

/* Responsive adjustments */
@media (max-width: 640px) {
  .hero-headline {
    font-size: 2.5rem !important;
    line-height: 1.15 !important;
  }
}