:root {
  --bg-base: #0A0A10;
  --bg-surface: rgba(25, 25, 35, 0.7);
  --text-primary: #f5f6f8;
  --text-secondary: #a0a4b8;
  --accent-1: #3b82f6; /* Modern B2B Blue */
  --accent-2: #8b5cf6; /* Violet accent */
  --border-light: rgba(255, 255, 255, 0.08);
  --glass-blur: 16px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

h1, h2, h3, h4, h5, h6, .badge, .logo-text, .btn {
  font-family: 'Outfit', sans-serif;
}

/* Atmospheric Background Glows */
.glow-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  z-index: -1;
  opacity: 0.25;
}
.blob-1 {
  top: -10%;
  left: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, var(--accent-1), transparent 70%);
}
.blob-2 {
  top: 30%;
  right: -10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, var(--accent-2), transparent 70%);
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(5, 5, 10, 0.7);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--border-light);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
}

.logo-img {
  height: 32px;
  width: auto;
  border-radius: 6px;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: var(--text-primary);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.6rem 1.25rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent-1);
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  background: #2563eb;
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

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

/* Typography Utilities */
.text-gradient {
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Glass Panel */
.glass-panel {
  background: var(--bg-surface);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 2rem;
}

/* Hero Section */
.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10rem 2rem 6rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  min-height: 100vh;
}

.badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--accent-1);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-title {
  font-size: 4rem;
  line-height: 1.1;
  font-weight: 800;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 90%;
}

.hero-actions {
  display: flex;
  gap: 1rem;
}

/* Graphic Panel (Hero Right) */
.graph-panel {
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.graph-header {
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 1rem;
  margin-bottom: 2rem;
}

.dots {
  display: flex;
  gap: 6px;
}
.dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #333;
}
.dots span:nth-child(1) { background: #ff5f56; }
.dots span:nth-child(2) { background: #ffbd2e; }
.dots span:nth-child(3) { background: #27c93f; }

.graph-title {
  margin-left: 1rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-family: 'Outfit', sans-serif;
}

/* SVG Network Graph Graphic */
.graph-body {
  width: 100%;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
}

.network-graph svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

/* Node Animations */
.node-pulse {
  animation: nodePulse 3s ease-in-out infinite alternate;
}

@keyframes nodePulse {
  0% { r: 10; filter: drop-shadow(0 0 5px var(--accent-1)); }
  100% { r: 14; filter: drop-shadow(0 0 15px var(--accent-1)); }
}

.node-hover {
  transition: all 0.3s ease;
  cursor: crosshair;
}

.node-hover:hover {
  fill: #fff;
  filter: drop-shadow(0 0 12px var(--accent-2));
}

/* Edge Animations */
.edges line {
  transition: stroke-width 0.3s ease, stroke 0.3s ease;
}

.pulse-edge {
  stroke-dasharray: 5, 5;
  animation: strokePulse 1.5s linear infinite;
}

@keyframes strokePulse {
  to {
    stroke-dashoffset: -10;
  }
}

.labels text {
  pointer-events: none;
  opacity: 0.9;
  text-shadow: 0 2px 4px rgba(0,0,0,0.8);
}

/* Sections */
.mission-section {
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.02), transparent 80%);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  position: relative;
}

.section-container {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: 8rem 2rem;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.section-text {
  font-size: 1.25rem;
  color: var(--text-secondary);
}

/* Features */
.features-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem 8rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  border-color: rgba(255,255,255,0.2);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Footer */
footer {
  border-top: 1px solid var(--border-light);
  background: #030305;
  padding: 4rem 2rem 2rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  margin-bottom: 3rem;
}

.footer-brand {
  max-width: 300px;
}

.footer-logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer-logo {
  height: 32px;
}

.footer-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 4rem;
}

.link-column h4 {
  margin-bottom: 1rem;
  font-size: 1rem;
}

.link-column a {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.link-column a:hover {
  color: var(--accent-2);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.05);
  color: var(--text-secondary);
  font-size: 0.8rem;
}

/* Animations */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.delay-1 {
  animation-delay: 0.2s;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.scroll-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.scroll-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 8rem;
    padding-bottom: 4rem;
    text-align: center;
    gap: 2rem;
  }
  .hero-title {
    font-size: 2.5rem;
  }
  .hero-subtitle {
    font-size: 1rem;
    margin: 0 auto 2rem;
  }
  .hero-actions {
    justify-content: center;
  }
  .btn-large {
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
  }
  .footer-container {
    flex-direction: column;
    gap: 2rem;
  }
  .footer-links {
    flex-direction: column;
    gap: 2rem;
  }
}

@media (max-width: 480px) {
  .hero {
    padding-top: 6rem;
  }
  .hero-title {
    font-size: 2rem;
    line-height: 1.2;
  }
  .nav-container {
    padding: 1rem;
  }
  .section-title {
    font-size: 2rem;
  }
  .graph-body {
    height: 250px;
  }
}