/* ==========================================================================
   XOR TECHNOLOGY INC. - FUTURISTIC OPTICS & QUANTUM DESIGN SYSTEM
   ========================================================================== */

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

:root {
  /* Color Palette */
  --bg-dark: #06080E;
  --bg-surface: #0B0F19;
  --bg-surface-elevated: #111726;
  --bg-card: rgba(15, 23, 42, 0.65);
  --bg-glass: rgba(15, 23, 42, 0.5);
  
  --accent-cyan: #00F2FE;
  --accent-blue: #4FACFE;
  --accent-purple: #7F00FF;
  --accent-pink: #F72585;
  --accent-emerald: #10B981;
  
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 242, 254, 0.3);
  --border-purple: rgba(127, 0, 255, 0.3);
  
  /* Glow Effects */
  --glow-cyan: 0 0 30px rgba(0, 242, 254, 0.3);
  --glow-cyan-lg: 0 0 60px rgba(0, 242, 254, 0.4);
  --glow-purple: 0 0 30px rgba(127, 0, 255, 0.35);
  --glow-box: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  
  /* Fonts */
  --font-heading: 'Outfit', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Canvas Background */
#quantum-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
}

/* Grid Overlay Background */
.bg-grid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    linear-gradient(rgba(0, 242, 254, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 242, 254, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: -1;
  pointer-events: none;
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.text-gradient {
  background: linear-gradient(135deg, #FFFFFF 0%, var(--accent-cyan) 50%, var(--accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-cyan {
  background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Navigation Header */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 1.25rem 0;
  transition: var(--transition-smooth);
}

.navbar.scrolled {
  background: rgba(6, 8, 14, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.85rem 0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(0, 242, 254, 0.5));
  transition: var(--transition-fast);
}

.brand-logo:hover .brand-logo-img {
  filter: drop-shadow(0 0 14px rgba(0, 242, 254, 0.9));
  transform: scale(1.04);
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.brand-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.15rem 0.4rem;
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid rgba(0, 242, 254, 0.3);
  color: var(--accent-cyan);
  border-radius: 4px;
  margin-left: 0.25rem;
  letter-spacing: 0.05em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition-fast);
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-cyan);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
  transition: var(--transition-fast);
}

.nav-link:hover::after {
  width: 100%;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.6rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-blue) 100%);
  color: #040810;
  box-shadow: var(--glow-cyan);
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-cyan-lg);
  color: #000;
}

.btn-outline {
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border-glow);
  color: var(--text-primary);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  background: rgba(0, 242, 254, 0.1);
  border-color: var(--accent-cyan);
  box-shadow: var(--glow-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 9rem 0 5rem;
  position: relative;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-centered {
  justify-content: center;
}

.hero-text-centered {
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  background: rgba(0, 242, 254, 0.06);
  border: 1px solid rgba(0, 242, 254, 0.25);
  border-radius: 30px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
  backdrop-filter: blur(8px);
}

.badge-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 242, 254, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(0, 242, 254, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 242, 254, 0); }
}

.hero-title {
  font-size: clamp(2.75rem, 5vw, 4.25rem);
  font-weight: 800;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 620px;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* Page Hero Banner (for inner pages) */
.page-hero {
  padding: 10rem 0 4.5rem;
  background: linear-gradient(180deg, rgba(11, 15, 25, 0.5) 0%, rgba(6, 8, 14, 0) 100%);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}

.page-hero-title {
  font-size: clamp(2.25rem, 4.5vw, 3.5rem);
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.page-hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 750px;
  line-height: 1.6;
}

/* Interactive HUD Visualizer Card */
.hud-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: 16px;
  padding: 1.75rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--glow-box), var(--glow-cyan);
  position: relative;
  overflow: hidden;
}

.hud-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1rem;
  margin-bottom: 1.25rem;
}

.hud-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hud-status {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-emerald);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.hud-status-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-emerald);
}

.telemetry-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.telemetry-item {
  background: rgba(6, 8, 14, 0.6);
  border: 1px solid var(--border-subtle);
  padding: 0.85rem;
  border-radius: 8px;
}

.telemetry-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.telemetry-val {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

/* Optics Interactive Canvas Visualizer Box */
.optics-visualizer-box {
  width: 100%;
  height: 180px;
  background: #04060B;
  border: 1px solid rgba(0, 242, 254, 0.2);
  border-radius: 10px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.optics-canvas-preview {
  width: 100%;
  height: 100%;
}

.visualizer-overlay-info {
  position: absolute;
  bottom: 8px;
  right: 12px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.5);
}

/* Sections Base */
.section {
  padding: 6.5rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 4rem;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 3rem);
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

/* Pillars / Capabilities Grid */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 2.25rem 1.75rem;
  backdrop-filter: blur(12px);
  transition: var(--transition-smooth);
  position: relative;
  display: flex;
  flex-direction: column;
}

.pillar-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-6px);
  box-shadow: var(--glow-box), var(--glow-cyan);
}

.pillar-icon {
  width: 56px;
  height: 56px;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--accent-cyan);
  transition: var(--transition-smooth);
}

.pillar-card:hover .pillar-icon {
  background: var(--accent-cyan);
  color: #040810;
  box-shadow: var(--glow-cyan);
}

.pillar-title {
  font-size: 1.35rem;
  margin-bottom: 0.85rem;
}

.pillar-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.pillar-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1rem;
}

.pillar-feature-item {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pillar-feature-item::before {
  content: '▸';
  color: var(--accent-cyan);
}

/* R&D & Prototyping Showcase Section */
.tech-showcase-container {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  padding: 3.5rem;
  box-shadow: var(--glow-box);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.showcase-content h3 {
  font-size: 2.2rem;
  margin-bottom: 1.25rem;
}

.showcase-content p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.feature-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.feature-icon-bullet {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(0, 242, 254, 0.15);
  border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.feature-text h4 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.feature-text p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* Visual Interactive Lab Viewer Box */
.lab-viewer-card {
  background: #04060C;
  border: 1px solid var(--border-purple);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: var(--glow-purple);
  position: relative;
}

.lab-header {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-purple);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.lab-canvas-container {
  width: 100%;
  height: 260px;
  background: #020306;
  border: 1px solid rgba(127, 0, 255, 0.2);
  border-radius: 10px;
  position: relative;
}

/* Contact / Inquiry Section */
.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: 24px;
  padding: 3.5rem;
  backdrop-filter: blur(16px);
  max-width: 850px;
  margin: 0 auto;
  box-shadow: var(--glow-box), var(--glow-cyan);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  background: rgba(6, 8, 14, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: var(--glow-cyan);
}

.form-textarea {
  resize: vertical;
  min-height: 130px;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 4rem 0 2rem;
  background: #040509;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 1rem;
  max-width: 380px;
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.footer-link:hover {
  color: var(--accent-cyan);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Mobile Responsive Adjustments */
@media (max-width: 992px) {
  .hero-content {
    grid-template-columns: 1fr;
  }
  .tech-showcase-container {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none; /* Can be toggled with JS */
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .contact-card {
    padding: 2rem 1.5rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}