/* GAMATOLDO ULTRA-LUXURY ARCHITECTURAL DESIGN SYSTEM */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg-primary: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-card: #FFFFFF;
  
  --text-primary: #0F172A;
  --text-secondary: #334155;
  --text-muted: #64748B;
  
  /* Palette: Executive Navy + WhatsApp Green Accent + Mediterranean Azure */
  --color-navy: #0B192C;
  --color-navy-hover: #1E3E62;
  --color-blue: #0284C7;
  --color-[#25D366]: #25D366;
  --color-[#25D366]-hover: #20BA5A;
  
  --border-light: #E2E8F0;
  
  --font-serif: 'Cinzel', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  
  --transition-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-luxury: 0 20px 40px -15px rgba(11, 25, 44, 0.07);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
}

/* Typography */
.font-serif {
  font-family: var(--font-serif);
}
.font-sans {
  font-family: var(--font-sans);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #F1F5F9;
}
::-webkit-scrollbar-thumb {
  background: #0284C7;
  border-radius: 4px;
}

/* Top Info Bar */
.top-bar {
  background: #0B192C;
  color: #94A3B8;
  font-size: 11px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

/* Floating WhatsApp Button */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 99;
  background: #25D366;
  color: #FFFFFF;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
  transition: all 0.3s var(--transition-smooth);
}
.whatsapp-float:hover {
  transform: scale(1.1) rotate(6deg);
  background: #20BA5A;
  box-shadow: 0 15px 35px rgba(37, 211, 102, 0.5);
}

/* Ultra Luxury Header */
.header-glass {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  transition: all 0.3s var(--transition-smooth);
}
.header-glass.scrolled {
  box-shadow: 0 10px 30px rgba(11, 25, 44, 0.08);
}

/* Nav Item Hover Animation */
.nav-link-premium {
  position: relative;
  transition: color 0.3s ease;
}
.nav-link-premium::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0%;
  height: 2px;
  background: #0284C7;
  transition: width 0.3s ease;
}
.nav-link-premium:hover::after {
  width: 100%;
}

/* Hero Section Scrim */
.hero-gradient-overlay {
  background: linear-gradient(90deg, 
    rgba(11, 25, 44, 0.94) 0%, 
    rgba(11, 25, 44, 0.78) 50%, 
    rgba(11, 25, 44, 0.45) 100%
  );
}

/* WhatsApp Button styling */
.btn-whatsapp {
  background: linear-gradient(135deg, #25D366 0%, #1EBE5D 100%);
  color: #FFFFFF;
  font-weight: 700;
  letter-spacing: 0.05em;
  transition: all 0.3s var(--transition-smooth);
  box-shadow: 0 4px 18px rgba(37, 211, 102, 0.3);
}
.btn-whatsapp:hover {
  background: linear-gradient(135deg, #20BA5A 0%, #1A9C4C 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.45);
}

/* Executive Navy Button */
.btn-navy {
  background: #0B192C;
  color: #FFFFFF;
  font-weight: 700;
  transition: all 0.3s var(--transition-smooth);
}
.btn-navy:hover {
  background: #0284C7;
  transform: translateY(-2px);
}

/* Calculator Option Card Active */
.calc-option-card {
  border: 2px solid #E2E8F0;
  transition: all 0.3s ease;
  cursor: pointer;
}
.calc-option-card.active, .calc-option-card:hover {
  border-color: #0284C7;
  background: #F0F9FF;
}

/* Service Card Hover */
.service-card {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  box-shadow: var(--shadow-luxury);
  transition: all 0.4s var(--transition-smooth);
}
.service-card:hover {
  border-color: #0284C7;
  transform: translateY(-6px);
  box-shadow: 0 20px 40px -10px rgba(2, 132, 199, 0.15);
}
.service-card-img {
  transition: transform 0.8s var(--transition-smooth);
}
.service-card:hover .service-card-img {
  transform: scale(1.06);
}

/* Modal Overlay */
.modal-overlay {
  background: rgba(11, 25, 44, 0.75);
  backdrop-filter: blur(8px);
}

.form-input-luxury {
  background: #F8FAFC;
  border: 1.5px solid #CBD5E1;
  color: #0F172A;
  transition: all 0.3s ease;
}
.form-input-luxury:focus {
  outline: none;
  border-color: #0284C7;
  background: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}