/* PRECIOCERRAMIENTOS CONCEPT 2: DARK LUXURY SLATE & GOLD (REFINED HEADER & MAPS) */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg-primary: #0A0C10;
  --bg-surface: #11141C;
  --bg-card: #161A24;
  --bg-card-hover: #1E2330;
  
  --text-primary: #FFFFFF;
  --text-secondary: #CBD5E1;
  --text-muted: #94A3B8;
  
  /* Gold Luxury Palette */
  --color-gold: #C5A059;
  --color-gold-hover: #D4AF37;
  --color-gold-light: rgba(197, 160, 89, 0.12);
  --color-wa: #25D366;
  --color-wa-hover: #20BA5A;
  
  --border-gold: rgba(197, 160, 89, 0.35);
  --border-gold-strong: #C5A059;
  --border-hairline: rgba(255, 255, 255, 0.08);
  
  --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-gold-glow: 0 15px 35px -5px rgba(197, 160, 89, 0.25);
}

* {
  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;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #0A0C10;
}
::-webkit-scrollbar-thumb {
  background: #2A303F;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-gold);
}

/* Top Bar */
.top-bar {
  background: #060709;
  color: #94A3B8;
  font-size: 11px;
  border-bottom: 1px solid var(--border-hairline);
}

/* 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 30px 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 40px rgba(37, 211, 102, 0.6);
}

/* Perfectly Balanced Header */
.header-glass {
  background: rgba(10, 12, 16, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-gold);
  transition: all 0.3s var(--transition-smooth);
}
.header-glass.scrolled {
  background: rgba(10, 12, 16, 0.98);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.85);
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

/* Nav Link Hover Underline */
.nav-link-premium {
  position: relative;
  transition: color 0.3s ease;
  letter-spacing: 0.14em;
}
.nav-link-premium::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--color-gold);
  transition: width 0.3s ease;
}
.nav-link-premium:hover::after {
  width: 100%;
}

/* Hero Section Overlay */
.hero-gradient-overlay {
  background: linear-gradient(180deg, 
    rgba(10, 12, 16, 0.7) 0%, 
    rgba(10, 12, 16, 0.45) 50%, 
    rgba(10, 12, 16, 0.95) 100%
  );
}

/* Floating Glass Calculator Widget */
.glass-calculator-card {
  background: rgba(22, 26, 36, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(197, 160, 89, 0.4);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.85), 0 0 30px rgba(197, 160, 89, 0.15);
  transition: all 0.4s var(--transition-smooth);
}

/* Gold Buttons */
.btn-gold {
  background: linear-gradient(135deg, #C5A059 0%, #B38E46 100%);
  color: #0A0C10;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: all 0.3s var(--transition-smooth);
  box-shadow: 0 4px 20px rgba(197, 160, 89, 0.3);
}
.btn-gold:hover {
  background: linear-gradient(135deg, #D4AF37 0%, #C5A059 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold-glow);
}

.btn-outline-gold {
  border: 1px solid var(--color-gold);
  color: var(--color-gold);
  background: rgba(197, 160, 89, 0.05);
  backdrop-filter: blur(8px);
  transition: all 0.3s var(--transition-smooth);
}
.btn-outline-gold:hover {
  border-color: #D4AF37;
  background: var(--color-gold);
  color: #0A0C10;
  transform: translateY(-2px);
}

/* WhatsApp Button */
.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, 0.5);
}

/* Service Card Hover */
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  transition: all 0.4s var(--transition-smooth);
}
.service-card:hover {
  border-color: var(--color-gold);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8), 0 0 25px rgba(197, 160, 89, 0.2);
}
.service-card-img {
  transition: transform 0.8s var(--transition-smooth);
}
.service-card:hover .service-card-img {
  transform: scale(1.06);
}

/* Calculator Option Card Active */
.calc-option-card {
  border: 1px solid var(--border-gold);
  background: rgba(255, 255, 255, 0.03);
  transition: all 0.3s ease;
  cursor: pointer;
}
.calc-option-card.active, .calc-option-card:hover {
  border-color: var(--color-gold);
  background: rgba(197, 160, 89, 0.15);
  box-shadow: 0 0 15px rgba(197, 160, 89, 0.2);
}

/* Form Inputs */
.form-input-luxury {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(197, 160, 89, 0.3);
  color: #FFFFFF;
  transition: all 0.3s ease;
}
.form-input-luxury:focus {
  outline: none;
  border-color: var(--color-gold);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 15px rgba(197, 160, 89, 0.25);
}

/* Map Container Frame */
.map-frame {
  border: 1px solid var(--border-gold);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  border-radius: 12px;
  overflow: hidden;
}

input[type=range] {
  accent-color: var(--color-gold);
}