/* ==============================================================================
   KATANGA TECHNIC DRC SARL (KAT TECH) - FEUILLE DE STYLE PRINCIPALE
   Design System Industriel & Minier - RDC & International
   Couleurs : Navy (#0A2148), Orange Sécurité (#FF7A00), Blanc & Gris Acier
   ============================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Oswald:wght@500;600;700&display=swap');

:root {
  --color-primary: #0a2148;
  --color-primary-dark: #06152e;
  --color-primary-light: #14356e;
  --color-accent: #ff7a00;
  --color-accent-hover: #e06900;
  --color-accent-light: #fff3e6;
  --color-success: #10b981;
  --color-dark: #0f172a;
  --color-gray: #64748b;
  --color-light: #f8fafc;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Oswald', 'Plus Jakarta Sans', sans-serif;
}

/* Base */
html {
  font-family: var(--font-sans);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: #f8fafc;
  color: #1e293b;
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Heading Typography */
h1, h2, h3, .font-heading {
  letter-spacing: -0.02em;
}

.heading-industrial {
  font-family: var(--font-heading);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent);
}

/* Page View Visibility */
.page-view {
  display: none;
  opacity: 0;
  transition: opacity 0.25s ease-in-out;
}

.page-view.active {
  display: block;
  opacity: 1;
}

/* Animation utilities */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.3s ease-out forwards;
}

@keyframes pulseSubtle {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.animate-pulse-subtle {
  animation: pulseSubtle 2.5s infinite ease-in-out;
}

/* Brand badges */
.badge-certified {
  background: linear-gradient(135deg, rgba(255, 122, 0, 0.15) 0%, rgba(255, 122, 0, 0.05) 100%);
  border: 1px solid rgba(255, 122, 0, 0.3);
  color: #c25e00;
}

.badge-mining {
  background: linear-gradient(135deg, rgba(10, 33, 72, 0.1) 0%, rgba(10, 33, 72, 0.03) 100%);
  border: 1px solid rgba(10, 33, 72, 0.25);
  color: #0a2148;
}

/* Card hover transitions */
.industrial-card {
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.industrial-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 24px -10px rgba(10, 33, 72, 0.15);
}

/* Image styling */
.img-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Floating WhatsApp pulse */
.whatsapp-pulse {
  box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6);
  animation: whatsappPulse 2s infinite;
}

@keyframes whatsappPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6);
  }
  70% {
    box-shadow: 0 0 0 14px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

/* Toast alert notification */
#toast-notification {
  transform: translateY(120%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
#toast-notification.show {
  transform: translateY(0);
}

/* Print Optimization */
@media print {
  header, footer, #floating-whatsapp-btn, #floating-whatsapp-modal, .no-print {
    display: none !important;
  }
  .page-view {
    display: block !important;
    opacity: 1 !important;
  }
}