/* ==========================================================================
   OBRIX CORPORATE WEBSITE STYLESHEET
   Brand Style: Modern, premium engineering-tech aesthetic (Autodesk / Bentley inspired)
   Palette: Near-black (#0B0B0B), Amber-Yellow (#F5B50A), Crisp White, Muted Slate
   ========================================================================== */

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

:root {
  --bg-primary: #0B0B0B;
  --bg-secondary: #121316;
  --bg-card: #16181D;
  --bg-card-hover: #1D2027;
  
  --amber-primary: #F5B50A;
  --amber-hover: #FDB813;
  --amber-light: rgba(245, 181, 10, 0.12);
  --amber-border: rgba(245, 181, 10, 0.35);
  
  --text-primary: #FFFFFF;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  
  --border-subtle: #242731;
  --border-card: rgba(255, 255, 255, 0.08);
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography Helpers */
.font-mono {
  font-family: 'JetBrains Mono', monospace;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #0B0B0B;
}
::-webkit-scrollbar-thumb {
  background: #262933;
  border-radius: 9999px;
  border: 2px solid #0B0B0B;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--amber-primary);
}

/* Selection Color */
::selection {
  background-color: var(--amber-primary);
  color: #000000;
}

/* Amber Glow Buttons & Badges */
.btn-amber {
  background-color: var(--amber-primary);
  color: #0B0B0B;
  font-weight: 700;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 20px rgba(245, 181, 10, 0.25);
}

.btn-amber:hover {
  background-color: var(--amber-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(245, 181, 10, 0.4);
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: #E2E8F0;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.badge-amber {
  background: var(--amber-light);
  border: 1px solid var(--amber-border);
  color: var(--amber-primary);
}

/* Card Styling */
.obrix-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 1.25rem;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.obrix-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(245, 181, 10, 0.3);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.7);
}

/* Glassmorphism Navigation */
.glass-nav {
  background: rgba(11, 11, 11, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

/* Floating WhatsApp Widget */
.floating-whatsapp {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 9999px;
  background-color: #25D366;
  color: #FFFFFF;
  font-weight: 700;
  font-size: 14px;
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.35);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
}

.floating-whatsapp:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 12px 35px rgba(37, 211, 102, 0.5);
  background-color: #22BF5B;
  color: #FFFFFF;
}

/* Range input customization for ROI calculator */
input[type=range] {
  -webkit-appearance: none;
  background: #20242D;
  border-radius: 9999px;
  height: 8px;
  width: 100%;
}

input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  height: 22px;
  width: 22px;
  border-radius: 50%;
  background: var(--amber-primary);
  cursor: pointer;
  box-shadow: 0 0 14px rgba(245, 181, 10, 0.6);
  border: 2.5px solid #0B0B0B;
  transition: transform 0.1s ease;
}

input[type=range]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Interactive CAD Simulator Row Selection */
.param-row {
  transition: all 0.2s ease;
}

.param-row.active {
  border-color: var(--amber-primary) !important;
  background-color: rgba(245, 181, 10, 0.1) !important;
}

/* Subtle Grid Background Pattern */
.bg-grid-pattern {
  background-size: 36px 36px;
  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);
}

/* Portrait Crop Styling */
.founder-portrait {
  object-fit: cover;
  object-position: top center;
  border-radius: 1.25rem;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.6);
}

/* Page Section Transitions */
.site-section {
  display: block;
}

.site-section.hidden {
  display: none !important;
}