/* CyVine Brand System Variables */
:root {
  /* Brand Colors */
  --cyber-vine: #00FF99;        /* Primary neon green */
  --pulse-mint: #00E5FF;        /* Accent cyan */
  --bg-dark: #0A0F1A;           /* Deep navy-black */
  --charcoal: #1F2937;          /* Text on light bg */
  --mist: #E5E7EB;              /* Text on dark bg */
  --circuit-gray: #334155;      /* Borders, outlines */

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--cyber-vine) 0%, var(--pulse-mint) 100%);
  --gradient-glow: radial-gradient(circle, rgba(0, 255, 153, 0.15) 0%, transparent 70%);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', roboto, sans-serif;

  /* Spacing */
  --container-max: 1200px;
  --section-padding: 6rem 0;
  --grid-gap: 2rem;

  /* Effects */
  --border-radius: 8px;
  --border-radius-lg: 16px;
  --shadow-glow: 0 0 30px rgba(0, 255, 153, 0.15);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-smooth: 0.3s ease;
  --transition-glow: 0.3s ease-out;
}

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

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

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

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 2rem;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(10, 15, 26, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--circuit-gray);
  z-index: 1000;
  transition: var(--transition-smooth);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 4rem;
}

.nav-brand .logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--cyber-vine);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.25rem;
}

.logo-icon {
  width: 2rem;
  height: 2rem;
  color: var(--cyber-vine);
  filter: drop-shadow(0 0 8px rgba(0, 255, 153, 0.3));
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

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

.nav-link:hover {
  color: var(--cyber-vine);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-smooth);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--border-radius);
  font-family: var(--font-primary);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--bg-dark);
  border: 2px solid transparent;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  background: transparent;
  color: var(--mist);
  border: 2px solid var(--circuit-gray);
}

.btn-secondary:hover {
  border-color: var(--cyber-vine);
  color: var(--cyber-vine);
  box-shadow: 0 0 20px rgba(0, 255, 153, 0.1);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8rem 0 4rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(0, 255, 153, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0, 229, 255, 0.1) 0%, transparent 50%),
    var(--bg-dark);
  animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0% { opacity: 0.8; }
  100% { opacity: 1; }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(0, 255, 153, 0.1);
  border: 1px solid var(--cyber-vine);
  border-radius: 2rem;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 2rem;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

.badge-icon {
  font-size: 1rem;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 2rem;
  color: white;
}

.gradient-text {
  background: var(--gradient-primary);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientShift 3s ease-in-out infinite alternate;
}

@keyframes gradientShift {
  0% { filter: hue-rotate(0deg); }
  100% { filter: hue-rotate(10deg); }
}

.hero-description {
  font-size: 1.25rem;
  line-height: 1.7;
  margin-bottom: 3rem;
  color: var(--mist);
  opacity: 0.9;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 4rem;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2rem;
  max-width: 600px;
  margin: 0 auto;
}

.stat {
  text-align: center;
  padding: 1.5rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--circuit-gray);
  border-radius: var(--border-radius);
  backdrop-filter: blur(10px);
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--cyber-vine);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--mist);
  opacity: 0.8;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--cyber-vine);
  border-bottom: 2px solid var(--cyber-vine);
  transform: rotate(45deg);
}

/* Section Styles */
section {
  padding: var(--section-padding);
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: white;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--mist);
  opacity: 0.8;
  max-width: 600px;
  margin: 0 auto;
}

/* Services Section */
.services {
  background:
    linear-gradient(180deg, var(--bg-dark) 0%, rgba(15, 20, 30, 0.95) 100%);
}

.service-categories {
  display: grid;
  gap: 3rem;
  margin-bottom: 4rem;
}

.service-category {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--circuit-gray);
  border-radius: var(--border-radius-lg);
  padding: 2.5rem;
  transition: all var(--transition-smooth);
}

.service-category:hover {
  border-color: var(--cyber-vine);
  box-shadow: 0 0 30px rgba(0, 255, 153, 0.1);
  transform: translateY(-4px);
}

.category-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.service-category h3 {
  font-size: 1.5rem;
  color: white;
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.service-items {
  display: grid;
  gap: 1.5rem;
}

.service-item {
  padding: 1.5rem;
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--border-radius);
  border-left: 3px solid var(--cyber-vine);
  position: relative;
}

.service-item strong {
  color: white;
  font-weight: 600;
  display: block;
  margin-bottom: 0.5rem;
}

.timeline {
  background: var(--gradient-primary);
  color: var(--bg-dark);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  position: absolute;
  top: 1rem;
  right: 1rem;
}

.service-item p {
  color: var(--mist);
  opacity: 0.9;
  line-height: 1.5;
  margin-top: 0.5rem;
}

/* Tech Stack */
.tech-stack {
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--border-radius-lg);
  padding: 2.5rem;
  text-align: center;
  border: 1px solid var(--circuit-gray);
}

.tech-stack h3 {
  color: white;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.tech-items {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.tech-item {
  background: rgba(0, 255, 153, 0.1);
  border: 1px solid var(--cyber-vine);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--cyber-vine);
  transition: all var(--transition-fast);
}

.tech-item:hover {
  background: var(--cyber-vine);
  color: var(--bg-dark);
  transform: scale(1.05);
}

/* Outcomes Section */
.outcomes {
  background: var(--bg-dark);
}

.outcome-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.outcome-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--circuit-gray);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  text-align: center;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.outcome-card:hover {
  border-color: var(--pulse-mint);
  box-shadow: 0 0 30px rgba(0, 229, 255, 0.15);
  transform: translateY(-4px);
}

.outcome-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
}

.outcome-metric {
  font-size: 3rem;
  font-weight: 700;
  color: var(--pulse-mint);
  margin-bottom: 1rem;
}

.outcome-card h3 {
  color: white;
  font-size: 1.25rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.outcome-card p {
  color: var(--mist);
  opacity: 0.9;
  margin-bottom: 1.5rem;
}

.outcome-tags {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.tag {
  background: rgba(0, 255, 153, 0.1);
  color: var(--cyber-vine);
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.8rem;
  font-weight: 500;
}

/* KPI Menu */
.kpi-menu {
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--border-radius-lg);
  padding: 2.5rem;
  border: 1px solid var(--circuit-gray);
}

.kpi-menu h3 {
  color: white;
  font-size: 1.5rem;
  text-align: center;
  margin-bottom: 2rem;
  font-weight: 600;
}

.kpi-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.kpi-category h4 {
  color: var(--cyber-vine);
  font-size: 1.1rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.kpi-category ul {
  list-style: none;
}

.kpi-category li {
  color: var(--mist);
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  opacity: 0.9;
}

.kpi-category li:last-child {
  border-bottom: none;
}

/* Contact Section */
.contact {
  background:
    linear-gradient(135deg, rgba(0, 255, 153, 0.05) 0%, rgba(0, 229, 255, 0.05) 100%),
    var(--bg-dark);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h2 {
  color: white;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.contact-description {
  font-size: 1.2rem;
  color: var(--mist);
  opacity: 0.9;
  margin-bottom: 3rem;
  line-height: 1.7;
}

.contact-benefits {
  margin-bottom: 3rem;
}

.benefit {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  align-items: flex-start;
}

.benefit-icon {
  font-size: 1.5rem;
  min-width: 2rem;
}

.benefit h4 {
  color: white;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.benefit p {
  color: var(--mist);
  opacity: 0.8;
  font-size: 0.9rem;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--mist);
  text-decoration: none;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius);
  border: 1px solid var(--circuit-gray);
  transition: all var(--transition-smooth);
}

.contact-method:hover {
  border-color: var(--cyber-vine);
  color: var(--cyber-vine);
  box-shadow: 0 0 20px rgba(0, 255, 153, 0.1);
}

.method-icon {
  font-size: 1.25rem;
}

/* Contact Form */
.contact-form-container {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--circuit-gray);
  border-radius: var(--border-radius-lg);
  padding: 2.5rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

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

.form-group label {
  color: white;
  font-weight: 600;
  font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--circuit-gray);
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  color: var(--mist);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--cyber-vine);
  box-shadow: 0 0 0 2px rgba(0, 255, 153, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* Footer */
.footer {
  background: rgba(0, 0, 0, 0.5);
  border-top: 1px solid var(--circuit-gray);
  padding: 3rem 0 2rem;
}

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

.footer-brand .logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--cyber-vine);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.footer-tagline {
  color: var(--mist);
  opacity: 0.8;
  font-style: italic;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.footer-section h4 {
  color: white;
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: var(--mist);
  text-decoration: none;
  opacity: 0.8;
  transition: all var(--transition-fast);
}

.footer-section a:hover {
  color: var(--cyber-vine);
  opacity: 1;
}

.footer-bottom {
  border-top: 1px solid var(--circuit-gray);
  padding-top: 2rem;
  text-align: center;
  color: var(--mist);
  opacity: 0.6;
}

.footer-bottom p {
  margin-bottom: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-container {
    padding: 0 1rem;
  }

  .nav-links {
    gap: 1rem;
  }

  .nav-link {
    display: none;
  }

  .container {
    padding: 0 1rem;
  }

  .hero {
    padding: 6rem 0 2rem;
  }

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

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .service-category {
    padding: 1.5rem;
  }

  .service-item {
    padding: 1rem;
  }

  .timeline {
    position: static;
    display: inline-block;
    margin-left: 0.5rem;
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .outcome-grid {
    grid-template-columns: 1fr;
  }

  .kpi-categories {
    grid-template-columns: 1fr;
  }

  .contact-form-container {
    padding: 1.5rem;
  }
}

/* Loading and Animation States */
.fade-in {
  animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --cyber-vine: #00FF00;
    --pulse-mint: #00FFFF;
    --circuit-gray: #666666;
  }
}