@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@500;600;700;800;900&family=Inter:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,600&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

/* ==========================================================================
   PROPERTIES-DEV.COM — HYDE PARK PORTFOLIO
   ULTRA-CHIC EDITORIAL REAL ESTATE DESIGN SYSTEM
   Strict Zero Gold Policy: Absolutely NO gold, bronze, or yellow tones.
   Calm Luxury Palette:
     • Crisp Pure White: #FFFFFF
     • Subtle Alabaster: #FAFAF9 / #F8F9FA
     • Slate & Architectural Charcoal: #1A202C / #2D3748 / #0F172A
     • Architectural Cool Borders: #E2E8F0 / #CBD5E1
     • Signature WhatsApp Emerald: #25D366 (Hover: #20BD5A)
   Typography:
     • Monumental Classical: 'Cinzel', serif
     • High-Fashion Editorial: 'Playfair Display', Georgia, serif
     • Modern Precision Sans: 'Plus Jakarta Sans', 'Inter', sans-serif
   ========================================================================== */

:root {
  --bg-pure: #FFFFFF;
  --bg-alabaster: #FAFAF9;
  --bg-stone: #F8F9FA;
  --bg-subtle: #F1F3F5;
  
  --charcoal: #1A202C;
  --charcoal-light: #2D3748;
  --charcoal-dark: #0F172A;
  --slate-muted: #64748B;
  --slate-subtle: #94A3B8;

  --border-cool: #E2E8F0;
  --border-hover: #CBD5E1;
  --border-subtle: #F1F3F5;

  --frosted-bg: rgba(255, 255, 255, 0.92);
  --frosted-card: rgba(255, 255, 255, 0.96);
  --frosted-pill: rgba(255, 255, 255, 0.90);
  
  --whatsapp-green: #25D366;
  --whatsapp-hover: #20BD5A;
  --whatsapp-glow: rgba(37, 211, 102, 0.30);

  --font-serif: 'Playfair Display', Georgia, serif;
  --font-cinzel: 'Cinzel', serif;
  --font-sans: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --shadow-editorial: 0 20px 40px -15px rgba(26, 32, 44, 0.06), 0 0 1px 1px rgba(226, 232, 240, 0.8);
  --shadow-hover: 0 30px 60px -15px rgba(26, 32, 44, 0.12), 0 0 1px 1px rgba(203, 213, 225, 0.9);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-pure);
  color: var(--charcoal-light);
  line-height: 1.6;
  overflow-x: hidden;
  margin: 0;
}

/* Typography classes */
h1, h2, h3, h4, .font-editorial {
  font-family: var(--font-serif);
  color: var(--charcoal);
  letter-spacing: -0.02em;
}

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

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

/* Editorial Numerals */
.editorial-numeral {
  font-family: var(--font-serif);
  font-size: 3.25rem;
  line-height: 1;
  font-weight: 700;
  color: var(--charcoal);
  letter-spacing: -0.04em;
}

@media (min-width: 640px) {
  .editorial-numeral {
    font-size: 4rem;
  }
}

/* Architectural Grid & Ambient Atmosphere */
.bg-architectural-grid {
  background-color: #FFFFFF;
  background-image: 
    linear-gradient(to right, rgba(226, 232, 240, 0.45) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(226, 232, 240, 0.45) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* Containers */
.container-chic {
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

@media (min-width: 640px) {
  .container-chic {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

@media (min-width: 1024px) {
  .container-chic {
    padding-left: 3rem;
    padding-right: 3rem;
  }
}

/* ==========================================================================
   BUTTONS (CALM LUXURY)
   ========================================================================== */

/* Solid Green WhatsApp Button reading 'CONTACT US' */
.btn-whatsapp {
  background-color: var(--whatsapp-green);
  color: #FFFFFF !important;
  font-weight: 700;
  font-family: var(--font-sans);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  border-radius: 9999px;
  box-shadow: 0 10px 25px -4px var(--whatsapp-glow);
  text-decoration: none;
  cursor: pointer;
  border: none;
}

.btn-whatsapp:hover {
  background-color: var(--whatsapp-hover);
  transform: translateY(-2px);
  box-shadow: 0 16px 32px -4px rgba(37, 211, 102, 0.45);
  color: #FFFFFF !important;
}

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

/* Solid Charcoal Button reading 'SUBMIT' */
.btn-charcoal {
  background-color: var(--charcoal);
  color: #FFFFFF !important;
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: all 0.26s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  border: 1px solid var(--charcoal);
  border-radius: 0.875rem;
  box-shadow: 0 10px 20px -5px rgba(26, 32, 44, 0.22);
  cursor: pointer;
  text-decoration: none;
}

.btn-charcoal:hover {
  background-color: var(--charcoal-light);
  border-color: var(--charcoal-light);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px -5px rgba(26, 32, 44, 0.32);
}

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

/* ==========================================================================
   FROSTED GLASS & EDITORIAL CARDS
   ========================================================================== */
.frosted-glass {
  background: var(--frosted-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-cool);
  box-shadow: var(--shadow-editorial);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.frosted-glass:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-hover);
}

.frosted-pill {
  background: var(--frosted-pill);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(226, 232, 240, 0.95);
}

/* Form inputs (Clean blank, no placeholder examples) */
.form-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--slate-muted);
  margin-bottom: 0.375rem;
}

.form-input {
  width: 100%;
  padding: 0.875rem 1.125rem;
  background-color: #FFFFFF;
  border: 1.5px solid var(--border-cool);
  border-radius: 0.75rem;
  color: var(--charcoal);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: all 0.22s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--charcoal);
  box-shadow: 0 0 0 3px rgba(26, 32, 44, 0.08);
}

.country-select-wrapper select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1rem;
  padding-right: 2.25rem;
}

/* Sticky Project Quick-Jump Navigator */
.sticky-subnav {
  position: sticky;
  top: 1rem;
  z-index: 40;
  transition: all 0.3s ease;
}

/* Floating WhatsApp Pulse */
@keyframes pulse-ring {
  0% {
    transform: scale(0.96);
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 16px rgba(37, 211, 102, 0);
  }
  100% {
    transform: scale(0.96);
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

.pulse-whatsapp {
  animation: pulse-ring 2.6s infinite;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #F1F3F5;
}

::-webkit-scrollbar-thumb {
  background: #CBD5E1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #94A3B8;
}

/* Responsive Image Hover */
.editorial-image-frame {
  position: relative;
  overflow: hidden;
  border-radius: 1.5rem;
}

.editorial-image-frame img {
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.editorial-image-frame:hover img {
  transform: scale(1.04);
}