/* ==========================================================================
   LUMIONIS • AI & DIGITAL INNOVATION - CORE DESIGN SYSTEM
   ========================================================================== */

:root {
  --bg-dark: #05050a;
  --bg-darker: #020204;
  --bg-surface: #090c14;
  --bg-surface-elevated: #0f1422;
  --bg-glass: rgba(15, 20, 34, 0.75);
  
  --border-light: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-highlight: rgba(0, 245, 255, 0.4);
  
  --tech-cyan: #00F5FF;
  --tech-cyan-glow: rgba(0, 245, 255, 0.25);
  --tech-blue: #3B82F6;
  --tech-purple: #8B5CF6;
  --tech-purple-glow: rgba(139, 92, 246, 0.25);
  
  --text-primary: #FFFFFF;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* Smooth Scrolling & Base */
html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: rgba(139, 92, 246, 0.35);
  color: #FFFFFF;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-darker);
}
::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #334155;
}

/* Subtle background grid pattern */
.bg-tech-grid {
  background-size: 40px 40px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
}

.bg-tech-dots {
  background-image: radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.08) 1px, transparent 0);
  background-size: 28px 28px;
}

/* Atmospheric Ambient Auras */
.aura-glow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(120px);
  z-index: 0;
}

.aura-purple {
  background: radial-gradient(circle, rgba(139, 92, 246, 0.18) 0%, transparent 70%);
}

.aura-blue {
  background: radial-gradient(circle, rgba(59, 130, 246, 0.16) 0%, transparent 70%);
}

.aura-cyan {
  background: radial-gradient(circle, rgba(0, 245, 255, 0.12) 0%, transparent 70%);
}

/* Glassmorphic Panel */
.glass-panel {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.7);
}

.glass-panel-hover {
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-panel-hover:hover {
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.8), 0 0 25px rgba(139, 92, 246, 0.15);
}

/* Tech Gradient Badges */
.badge-tech {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-light);
  color: #E2E8F0;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--tech-cyan);
  box-shadow: 0 0 8px var(--tech-cyan);
  animation: pulseDot 2.2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* Gradient Text */
.text-gradient-lumionis {
  background: linear-gradient(135deg, #FFFFFF 15%, #C4B5FD 60%, #38BDF8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-cyan {
  background: linear-gradient(135deg, #00F5FF 0%, #3B82F6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-purple {
  background: linear-gradient(135deg, #C084FC 0%, #8B5CF6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Beam Button */
.btn-lumionis-primary {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #FFFFFF;
  border-radius: 9999px;
  background: linear-gradient(135deg, #7C3AED 0%, #2563EB 100%);
  box-shadow: 0 0 25px rgba(124, 58, 237, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  transition: all 0.3s ease;
  overflow: hidden;
  text-decoration: none;
  cursor: pointer;
}

.btn-lumionis-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(124, 58, 237, 0.7), 0 0 20px rgba(59, 130, 246, 0.5);
  filter: brightness(1.1);
  color: #FFFFFF;
}

.btn-lumionis-secondary {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.6rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: #E2E8F0;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-medium);
  backdrop-filter: blur(10px);
  transition: all 0.25s ease;
  text-decoration: none;
  cursor: pointer;
}

.btn-lumionis-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.3);
  color: #FFFFFF;
  transform: translateY(-2px);
}

/* Card Glow Effect */
.card-tech-glow {
  position: relative;
  overflow: hidden;
}

.card-tech-glow::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.04), transparent);
  transition: 0.6s ease;
  pointer-events: none;
}

.card-tech-glow:hover::before {
  left: 100%;
}

/* Language Toggle Button */
.lang-switch {
  display: inline-flex;
  align-items: center;
  padding: 3px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-light);
  border-radius: 9999px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
}

.lang-switch a {
  padding: 4px 10px;
  border-radius: 9999px;
  color: var(--text-muted);
  text-decoration: none;
  transition: all 0.2s ease;
}

.lang-switch a.active {
  background: linear-gradient(135deg, #7C3AED 0%, #2563EB 100%);
  color: #FFFFFF;
  font-weight: 600;
  box-shadow: 0 0 10px rgba(37, 99, 235, 0.4);
}

/* Form Styles */
.form-input {
  width: 100%;
  background: rgba(10, 14, 25, 0.85);
  border: 1px solid var(--border-light);
  border-radius: 0.75rem;
  padding: 0.85rem 1.1rem;
  color: #FFFFFF;
  font-size: 0.9rem;
  outline: none;
  transition: all 0.25s ease;
}

.form-input:focus {
  border-color: var(--tech-cyan);
  box-shadow: 0 0 0 3px rgba(0, 245, 255, 0.15);
  background: rgba(15, 22, 38, 0.95);
}

.form-input::placeholder {
  color: #475569;
}

/* Mobile Nav Drawer */
#mobile-menu {
  transition: opacity 0.3s ease, transform 0.3s ease;
}

#mobile-menu.active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

#mobile-menu:not(.active) {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.25rem !important;
    line-height: 1.15 !important;
  }
}