/* RCP METAL - Premium British Architectural Metalwork & Engineering CSS */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;600;700&display=swap');

html {
  scroll-behavior: smooth;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
  background-color: #f8fafc;
  color: #0f172a;
  overflow-x: hidden;
}

/* Custom Refined Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #f59e0b;
}

/* Architectural Grid & Spark Patterns */
.bg-light-grid {
  background-image: radial-gradient(rgba(15, 23, 42, 0.06) 1px, transparent 1px);
  background-size: 24px 24px;
}

.bg-dot-pattern {
  background-image: radial-gradient(rgba(245, 158, 11, 0.12) 1.5px, transparent 1.5px);
  background-size: 20px 20px;
}

/* Metallic & Copper Gradients */
.text-amber-gradient {
  background: linear-gradient(135deg, #d97706 0%, #ea580c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.bg-metallic-gradient {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
}

.bg-amber-gradient {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 50%, #ea580c 100%);
}

/* Modal styling */
.modal-backdrop {
  background-color: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* Smooth Accordion */
.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-content.open {
  max-height: 500px;
}

/* Interactive Estimator Live Card Pulse */
@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.15);
  }
  50% {
    box-shadow: 0 0 35px rgba(245, 158, 11, 0.3);
  }
}

.estimate-card-glow {
  animation: pulseGlow 3s ease-in-out infinite;
}

/* Subtle Card Hover Elevation */
.card-elevation {
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.card-elevation:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
}