/* ============================================================================
   HEXCODE PLUS R&D ECOSYSTEM - LAB-OS DESIGN SYSTEM
   Bare-Metal CSS Framework | No Dependencies | Precision Engineering
   ============================================================================ */

/* === CSS CUSTOM PROPERTIES: THE MIDNIGHT LAB PALETTE === */
:root {
  /* Core Background Layers */
  --void-blue: #050A14;
  --slate-navy: #0F172A;
  --slate-border: #1E293B;
  
  /* Accent Colors */
  --electric-cyan: #00F2FF;
  --ultraviolet: #7000FF;
  --warning-amber: #FFB800;
  --success-green: #00FF88;
  --error-red: #FF3366;
  
  /* Typography Scale */
  --text-primary: #E2E8F0;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  
  /* Spacing System (8px base) */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  
  /* Typography */
  --font-mono: 'Roboto Mono', 'Courier New', monospace;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Engineering Grid */
  --grid-size: 40px;
  
  /* Glassmorphism */
  --glass-bg: rgba(15, 23, 42, 0.75);
  --glass-blur: 10px;
  
  /* Transitions */
  --transition-fast: 0.2s ease-in-out;
  --transition-smooth: 0.8s ease-in-out;
}

/* === GLOBAL RESET & BASE STYLES === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--void-blue);
  background-image: 
    linear-gradient(rgba(30, 41, 59, 0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 41, 59, 0.3) 1px, transparent 1px);
  background-size: var(--grid-size) var(--grid-size);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* === TYPOGRAPHY SYSTEM === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-mono);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--electric-cyan);
  margin-bottom: var(--space-md);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  border-left: 4px solid var(--electric-cyan);
  padding-left: var(--space-sm);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  color: var(--ultraviolet);
  margin-bottom: var(--space-sm);
}

p {
  margin-bottom: var(--space-sm);
  color: var(--text-secondary);
}

a {
  color: var(--electric-cyan);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--ultraviolet);
}

/* === NAVIGATION BAR: GLASSMORPHISM HUD === */
.lab-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--slate-border);
  padding: var(--space-sm) 0;
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.lab-logo {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--electric-cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.lab-logo span {
  color: var(--ultraviolet);
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--electric-cyan);
  transition: width var(--transition-fast);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-links a:hover {
  color: var(--electric-cyan);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: 2px solid var(--electric-cyan);
  color: var(--electric-cyan);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--space-xs);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

/* === CONTAINER SYSTEM === */
.lab-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
}

.section-header {
  margin-bottom: var(--space-xl);
  text-align: center;
}

.section-subtitle {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--electric-cyan);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-sm);
}

/* === INDUSTRIAL CARD SYSTEM === */
.lab-card {
  background: var(--slate-navy);
  border: 1px solid var(--slate-border);
  border-radius: 2px;
  padding: var(--space-lg);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.lab-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--electric-cyan), var(--ultraviolet));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}

.lab-card:hover::before {
  transform: scaleX(1);
}

.lab-card:hover {
  border-color: var(--electric-cyan);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 242, 255, 0.2);
}

/* === GRID SYSTEMS === */
.lab-grid-container {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.engineering-column {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* === CLIPPED CORNER BUTTON SYSTEM === */
.lab-button {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: var(--electric-cyan);
  color: var(--void-blue);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  position: relative;
}

.lab-button:hover {
  background: var(--ultraviolet);
  color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(112, 0, 255, 0.4);
}

.lab-button-secondary {
  background: transparent;
  color: var(--electric-cyan);
  border: 2px solid var(--electric-cyan);
}

.lab-button-secondary:hover {
  background: var(--electric-cyan);
  color: var(--void-blue);
}

/* === TECHNICAL SPEC TABLE === */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-md) 0;
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.spec-table thead {
  background: var(--void-blue);
  color: var(--electric-cyan);
}

.spec-table th {
  text-align: left;
  padding: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid var(--electric-cyan);
}

.spec-table td {
  padding: var(--space-sm);
  border-bottom: 1px solid var(--slate-border);
  color: var(--text-secondary);
}

.spec-table tr:hover {
  background: rgba(0, 242, 255, 0.05);
}

/* === STATUS BADGES === */
.status-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 2px;
  font-weight: 600;
}

.status-active {
  background: rgba(0, 255, 136, 0.2);
  color: var(--success-green);
  border: 1px solid var(--success-green);
}

.status-research {
  background: rgba(0, 242, 255, 0.2);
  color: var(--electric-cyan);
  border: 1px solid var(--electric-cyan);
}

.status-prototype {
  background: rgba(112, 0, 255, 0.2);
  color: var(--ultraviolet);
  border: 1px solid var(--ultraviolet);
}

/* === HERO SECTION === */
.hero-section {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  position: relative;
}

.hero-content {
  max-width: 900px;
  z-index: 1;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  margin-bottom: var(--space-md);
  background: linear-gradient(135deg, var(--electric-cyan), var(--ultraviolet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* === PRODUCT CARD SYSTEM === */
.product-card {
  background: var(--slate-navy);
  border: 1px solid var(--slate-border);
  border-radius: 2px;
  overflow: hidden;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  border-color: var(--electric-cyan);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 242, 255, 0.2);
}

.product-header {
  background: var(--void-blue);
  padding: var(--space-md);
  border-bottom: 1px solid var(--slate-border);
}

.product-part-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--electric-cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.product-name {
  font-size: 1.125rem;
  color: var(--text-primary);
  margin: 0;
}

.product-body {
  padding: var(--space-md);
  flex-grow: 1;
}

.product-description {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: var(--space-md);
}

.product-specs {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: var(--space-md);
}

.spec-item {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.spec-label {
  color: var(--electric-cyan);
}

.product-footer {
  padding: var(--space-md);
  border-top: 1px solid var(--slate-border);
  display: flex;
  gap: var(--space-sm);
}

/* === SEARCH & FILTER UI === */
.filter-controls {
  background: var(--slate-navy);
  border: 1px solid var(--slate-border);
  border-radius: 2px;
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.search-bar {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  background: var(--void-blue);
  border: 1px solid var(--slate-border);
  border-radius: 2px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  transition: border-color var(--transition-fast);
}

.search-bar:focus {
  outline: none;
  border-color: var(--electric-cyan);
  box-shadow: 0 0 0 2px rgba(0, 242, 255, 0.2);
}

.filter-buttons {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  flex-wrap: wrap;
}

.filter-button {
  padding: 0.5rem 1rem;
  background: var(--void-blue);
  border: 1px solid var(--slate-border);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition-fast);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.filter-button:hover,
.filter-button.active {
  background: var(--electric-cyan);
  color: var(--void-blue);
  border-color: var(--electric-cyan);
}

/* === TECHNICAL HUD === */
.system-hud {
  position: fixed;
  bottom: var(--space-md);
  right: var(--space-md);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--slate-border);
  border-radius: 2px;
  padding: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  z-index: 999;
  min-width: 200px;
}

.hud-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.status-indicator {
  width: 8px;
  height: 8px;
  background: var(--success-green);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hud-time {
  color: var(--electric-cyan);
}

/* === FORM SYSTEM === */
.lab-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

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

.form-label {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--electric-cyan);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input,
.form-textarea,
.form-select {
  padding: var(--space-sm);
  background: var(--void-blue);
  border: 1px solid var(--slate-border);
  border-radius: 2px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.875rem;
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--electric-cyan);
  box-shadow: 0 0 0 2px rgba(0, 242, 255, 0.2);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

/* === FOOTER === */
.lab-footer {
  background: var(--slate-navy);
  border-top: 1px solid var(--slate-border);
  padding: var(--space-xl) 0;
  margin-top: var(--space-xl);
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}

.footer-section h4 {
  color: var(--electric-cyan);
  margin-bottom: var(--space-sm);
  font-size: 0.875rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--electric-cyan);
}

.footer-bottom {
  max-width: 1400px;
  margin: var(--space-lg) auto 0;
  padding: var(--space-md);
  border-top: 1px solid var(--slate-border);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  font-family: var(--font-mono);
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--slate-navy);
    border-left: 1px solid var(--slate-border);
    flex-direction: column;
    padding: var(--space-xl) var(--space-md);
    gap: var(--space-md);
    transition: right var(--transition-smooth);
    z-index: 1001;
  }

  .nav-links.active {
    right: 0;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .system-hud {
    bottom: var(--space-sm);
    right: var(--space-sm);
    font-size: 0.625rem;
    min-width: 150px;
  }
}

/* === UTILITY CLASSES === */
.text-center { text-align: center; }
.text-mono { font-family: var(--font-mono); }
.text-cyan { color: var(--electric-cyan); }
.text-violet { color: var(--ultraviolet); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mt-lg { margin-top: var(--space-lg); }
.hidden { display: none; }

/* === WHATSAPP FLOAT BUTTON === */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 9999;
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: translateY(-5px) scale(1.1);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
  width: 35px;
  height: 35px;
  fill: white;
}

@media (max-width: 768px) {
  .whatsapp-float {
    width: 50px;
    height: 50px;
    bottom: 20px;
    right: 20px;
  }
  
  .whatsapp-float svg {
    width: 28px;
    height: 28px;
  }
}