/* ========================================================================
   MS POWERTECH – LITHIUM BATTERY SOLUTIONS
   Custom Industrial & Modern Tech Stylesheet
   ======================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Poppins:wght@500;600;700;800&family=Space+Grotesk:wght@500;700&display=swap');

:root {
  --color-primary-dark: #070d1e;
  --color-navy: #0b152d;
  --color-navy-card: #0f1c3d;
  --color-electric-blue: #0ea5e9;
  --color-electric-blue-hover: #0284c7;
  --color-green-accent: #10b981;
  --color-slate-light: #f8fafc;
  --color-border-dark: rgba(255, 255, 255, 0.08);
  --color-border-cyan: rgba(14, 165, 233, 0.25);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: #1e293b;
  background-color: #ffffff;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6, .font-heading {
  font-family: 'Poppins', 'Inter', sans-serif;
}

.font-mono-tech {
  font-family: 'Space Grotesk', monospace;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #070d1e;
}
::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #0ea5e9;
}

/* Glassmorphism & Cyber Gradients */
.glass-nav {
  background: rgba(7, 13, 30, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.glass-card-dark {
  background: rgba(15, 28, 61, 0.7);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.glass-card-dark:hover {
  border-color: rgba(14, 165, 233, 0.4);
}

/* Subtle glow effects */
.glow-blue {
  box-shadow: 0 0 25px -5px rgba(14, 165, 233, 0.35);
}

.glow-green {
  box-shadow: 0 0 25px -5px rgba(16, 185, 129, 0.35);
}

.text-gradient-blue {
  background: linear-gradient(135deg, #ffffff 0%, #38bdf8 50%, #0ea5e9 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-cyan-green {
  background: linear-gradient(135deg, #38bdf8 0%, #10b981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Hero Tech Grid Pattern */
.bg-tech-grid {
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

.bg-circuit-dots {
  background-image: radial-gradient(rgba(14, 165, 233, 0.15) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* Floating WhatsApp Button */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  box-shadow: 0 10px 25px -5px rgba(34, 197, 94, 0.5);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.whatsapp-float:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 15px 30px -5px rgba(34, 197, 94, 0.7);
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 96px;
  right: 26px;
  z-index: 990;
  transition: all 0.3s ease;
  opacity: 0;
  pointer-events: none;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

/* Card Hover Animations */
.product-card {
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

/* Badge styles */
.badge-real {
  background: rgba(16, 185, 129, 0.15);
  color: #059669;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-illustrative {
  background: rgba(14, 165, 233, 0.15);
  color: #0284c7;
  border: 1px solid rgba(14, 165, 233, 0.3);
}

/* Pulse animation for Live Battery Indicator */
@keyframes softPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.75; transform: scale(1.05); }
}

.pulse-indicator {
  animation: softPulse 2s infinite ease-in-out;
}

/* Modal Backdrop & Animation */
.modal-overlay {
  background-color: rgba(7, 13, 30, 0.75);
  backdrop-filter: blur(6px);
}

/* ========================================================================
   FULL RESPONSIVE LAYOUT ENGINE FOR LAPTOPS & DESKTOPS
   Expands containers smoothly to eliminate empty left & right voids
   ======================================================================== */

.max-w-7xl {
  width: 100% !important;
}

@media (min-width: 1280px) {
  /* Standard laptops (1366px - 1440px) */
  .max-w-7xl {
    max-width: 1380px !important;
    padding-left: 2rem !important;
    padding-right: 2rem !important;
  }
}

@media (min-width: 1440px) {
  /* MacBooks & 14-15" Laptops (1440px - 1536px) */
  .max-w-7xl {
    max-width: 1480px !important;
    padding-left: 2.5rem !important;
    padding-right: 2.5rem !important;
  }
}

@media (min-width: 1536px) {
  /* 15.6" Laptops (Full HD 1080p scaled at 125%) */
  .max-w-7xl {
    max-width: 1580px !important;
    padding-left: 3rem !important;
    padding-right: 3rem !important;
  }
}

@media (min-width: 1720px) {
  /* Large monitors & Full HD 1080p unscaled */
  .max-w-7xl {
    max-width: 1680px !important;
    padding-left: 3.5rem !important;
    padding-right: 3.5rem !important;
  }
}

@media (min-width: 1920px) {
  /* Full HD & 2K screens */
  .max-w-7xl {
    max-width: 1780px !important;
    padding-left: 4rem !important;
    padding-right: 4rem !important;
  }
}

/* Custom Table Styles */
.tech-spec-table tr:nth-child(even) {
  background-color: #f8fafc;
}

.tech-spec-table td, .tech-spec-table th {
  padding: 12px 16px;
  border-bottom: 1px solid #e2e8f0;
}

/* Print Friendly */
@media print {
  .whatsapp-float, .back-to-top, nav, footer, #quoteModal {
    display: none !important;
  }
}