:root {
  /* Colors */
  --bg-primary: #050505;
  --bg-secondary: #0A0A0A;
  --bg-card: #121212;
  --border: #1E1E1E;
  --border-hover: #2E2E2E;
  --text-primary: #FFFFFF;
  --text-secondary: #A1A1AA;
  --text-muted: #71717A;

  --accent-green: #22C55E;
  --accent-blue: #3B82F6;
  --accent-purple: #8B5CF6;

  --gradient-start: #22C55E;
  --gradient-end: #3B82F6;
  --gradient-glow: rgba(34, 197, 94, 0.15);

  /* Layout & Spacing */
  --container-max: 1120px;
  --section-spacing: 120px;
  --section-spacing-mobile: 80px;

  /* Tokens */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-glow: 0 0 20px rgba(34, 197, 94, 0.2);

  --blur: 12px;
  --ring: 0 0 0 2px var(--bg-primary), 0 0 0 4px var(--accent-blue);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* WebGL Background Canvas */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  pointer-events: none;
}

#particle-canvas {
  z-index: -1;
}


a {
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

/* Typography */
h1,
h2,
h3,
h4 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(40px, 8vw, 72px);
  margin-bottom: 24px;
}

h2 {
  font-size: clamp(32px, 5vw, 48px);
  margin-bottom: 48px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-kicker {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-kicker::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--accent-green);
}

/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(5, 5, 5, 0.8);
  backdrop-filter: blur(var(--blur));
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 22px;
}

.logo-icon {
  width: 28px;
  height: 28px;
  color: var(--accent-green);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a:not(.btn) {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
}

.nav-links a:not(.btn):hover {
  color: var(--text-primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  border: none;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: #000;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(34, 197, 94, 0.4);
  filter: brightness(1.1);
}

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

.btn-secondary:hover {
  background: var(--bg-secondary);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.btn-outline {
  padding: 10px 20px;
  background: transparent;
  border: 1px solid var(--border);
  font-size: 14px;
}

.btn-outline:hover {
  background: var(--bg-card);
  border-color: var(--border-hover);
}

/* Accessibility: Focus Styles */
:focus-visible {
  outline: none;
  box-shadow: var(--ring);
}

/* Section Common */
.section-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--section-spacing) 24px;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 160px 24px 80px;
  gap: 60px;
}

.hero-content {
  flex: 1;
  max-width: 600px;
}

.hero-subtitle {
  font-size: 20px;
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.cta-microcopy {
  font-size: 13px;
  color: var(--text-muted);
}

.hero-visual {
  flex: 1;
  display: flex;
  justify-content: center;
  position: relative;
}

/* Canvas Mock */
.canvas-mock {
  width: 100%;
  max-width: 500px;
  height: 400px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg), inset 0 0 40px rgba(0, 0, 0, 0.5);
}

.canvas-mock::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.1;
}

.mock-tile {
  position: absolute;
  background: #1e1e1e;
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  width: 160px;
  box-shadow: var(--shadow-md);
  z-index: 2;
  transition: transform 0.3s ease;
}

.mock-tile:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: var(--accent-blue);
}

.tile-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.badge {
  font-size: 9px;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--text-muted);
  color: #000;
}

.tile-api .badge {
  background: var(--accent-green);
}

.tile-flow .badge {
  background: var(--accent-blue);
  color: #fff;
}

.tile-store .badge {
  background: var(--accent-purple);
  color: #fff;
}

.tile-ui .badge {
  background: var(--accent-blue);
  color: #fff;
}

.tile-job .badge {
  background: #f59e0b;
  color: #000;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
}

.dot.active {
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
}

.tile-body {
  font-size: 13px;
  font-weight: 500;
  color: #fff;
}

/* SVG Connectors */
.canvas-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

.connector-path {
  stroke-linecap: round;
  filter: drop-shadow(0 0 4px rgba(34, 197, 94, 0.3));
}

@media (prefers-reduced-motion: no-preference) {
  .connector-path {
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
    animation: drawLine 1.5s ease-out forwards;
  }

  @keyframes drawLine {
    to {
      stroke-dashoffset: 0;
    }
  }

  .connector-path:nth-child(2) {
    animation-delay: 0.2s;
  }

  .connector-path:nth-child(3) {
    animation-delay: 0.4s;
  }

  .connector-path:nth-child(4) {
    animation-delay: 0.6s;
  }

  .connector-path:nth-child(5) {
    animation-delay: 0.8s;
  }
}


/* Social Proof */
.social-proof {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.social-proof .container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.social-text {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
}

.proof-items {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
  justify-content: center;
}

.proof-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 500;
}

.proof-item svg {
  width: 20px;
  height: 20px;
  color: var(--accent-green);
}

/* How It Works */
.how-it-works .steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.step {
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
}

.step:hover {
  transform: translateY(-8px);
  border-color: var(--accent-green);
  box-shadow: var(--shadow-glow);
}

.step-icon {
  width: 48px;
  height: 48px;
  color: var(--accent-green);
  margin-bottom: 24px;
}

.step h3 {
  font-size: 20px;
  margin-bottom: 16px;
}

.step p {
  color: var(--text-secondary);
  font-size: 16px;
}

/* Use Cases */
.use-cases {
  background: var(--bg-secondary);
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.use-case-card {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.use-case-card:hover {
  border-color: var(--border-hover);
  background: #161616;
}

.card-icon {
  font-size: 32px;
  margin-bottom: 20px;
}

.card-icon svg {
  width: 32px;
  height: 32px;
  color: var(--accent-green);
}

.card-icon-small {
  margin-bottom: 16px;
  color: var(--accent-blue);
}

.card-icon-small svg {
  width: 24px;
  height: 24px;
}

.use-case-card h3 {
  font-size: 18px;
  margin-bottom: 12px;
}

.use-case-card p {
  color: var(--text-secondary);
  font-size: 15px;
}

/* Why Vyben */
.why-vyben {
  text-align: center;
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
  text-align: left;
}

.why-item {
  padding: 24px;
}

.why-icon {
  font-size: 28px;
  margin-bottom: 16px;
}

.why-item h4 {
  font-size: 18px;
  margin-bottom: 12px;
}

.why-item p {
  color: var(--text-secondary);
  font-size: 15px;
}

/* Trust Section */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.trust-card {
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  border-top: 4px solid var(--accent-blue);
}

.trust-card h3 {
  font-size: 20px;
  margin-bottom: 16px;
}

.trust-card p {
  color: var(--text-secondary);
  font-size: 16px;
}

/* Get Access */
.access-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 32px;
}

.access-card {
  padding: 48px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
}

.access-card.highlighted {
  border-color: var(--accent-green);
  position: relative;
  overflow: hidden;
}

.access-card.highlighted::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle at top right, rgba(34, 197, 94, 0.2), transparent);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
}

.status-badge {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 10px;
  background: rgba(34, 197, 94, 0.1);
  color: var(--accent-green);
  border: 1px solid rgba(34, 197, 94, 0.2);
  border-radius: 20px;
}

.access-card h3 {
  font-size: 28px;
}

.access-card p {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  flex-grow: 1;
}

.card-note {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 24px;
  margin-bottom: 0 !important;
}

/* FAQ */
.faq {
  background: var(--bg-secondary);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

details {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: all 0.2s ease;
}

details[open] {
  border-color: var(--border-hover);
}

summary {
  padding: 24px;
  font-weight: 600;
  font-size: 18px;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

summary::after {
  content: "+";
  font-size: 24px;
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

details[open] summary::after {
  transform: rotate(45deg);
}

.faq-content {
  padding: 0 24px 24px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* CTA Band */
.cta-band {
  text-align: center;
  background: linear-gradient(to bottom, transparent, rgba(34, 197, 94, 0.05));
  border-top: 1px solid var(--border);
}

.cta-band h2 {
  max-width: 700px;
  margin: 0 auto 40px;
}

.cta-band .hero-cta {
  justify-content: center;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 80px 24px 40px;
  background: var(--bg-primary);
}

.footer-container {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}

.footer-links {
  display: flex;
  gap: 32px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 14px;
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-copy {
  width: 100%;
  color: var(--text-muted);
  font-size: 14px;
  margin-top: 60px;
  text-align: center;
}

/* Media Queries */
@media (max-width: 1024px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: 140px;
  }

  .hero-content {
    max-width: 100%;
  }

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

  .how-it-works .steps {
    grid-template-columns: 1fr;
  }

  .access-options {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --section-spacing: 80px;
  }

  .nav-links a:not(.btn) {
    display: none;
  }

  .hero h1 {
    font-size: 48px;
  }

  .access-card {
    padding: 32px;
  }
}

@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
  }

  .nav-cta {
    display: none;
  }
}

/* Prefers Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}