:root, [data-bs-theme="dark"] {
  --bs-body-bg: #000000;
  --bs-body-color: #f7f7f7;
  
  --color-primary: #76B900; /* NVIDIA Green */
  --color-primary-foreground: #000000;
  
  --color-accent: #E31937; /* Red */
  --color-accent-foreground: #ffffff;
  
  --color-card: #111111;
  --color-card-foreground: #f7f7f7;
  
  --color-secondary: #1a1a1a;
  --color-secondary-foreground: #f7f7f7;
  
  --color-muted: #1a1a1a;
  --color-muted-foreground: #a3a3a3;
  
  --color-border: #2a2a2a;
  
  --radius: 0.625rem;
}

[data-bs-theme="light"] {
  --bs-body-bg: #ffffff;
  --bs-body-color: #0f172a;
  
  --color-primary: #76B900;
  --color-primary-foreground: #ffffff;
  
  --color-accent: #E31937;
  --color-accent-foreground: #ffffff;
  
  --color-card: #f8fafc;
  --color-card-foreground: #0f172a;
  
  --color-secondary: #e2e8f0;
  --color-secondary-foreground: #0f172a;
  
  --color-muted: #f1f5f9;
  --color-muted-foreground: #64748b;
  
  --color-border: #e2e8f0;
}



body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bs-body-bg);
  color: var(--bs-body-color);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Typography Utilities */
.text-balance {
  text-wrap: balance;
}
.text-pretty {
  text-wrap: pretty;
}
.text-foreground { color: var(--bs-body-color); }
.text-muted-foreground { color: var(--color-muted-foreground); }
.text-primary-custom { color: var(--color-primary); }
.font-mono { font-family: monospace; }
.tracking-tight { letter-spacing: -0.025em; }

/* Custom Backgrounds & Borders */
.bg-card { background-color: var(--color-card); }
.bg-secondary { background-color: var(--color-secondary); }
.border-border { border-color: var(--color-border) !important; }

/* Buttons */
.btn-primary-custom {
  background-color: var(--color-primary);
  color: var(--color-primary-foreground);
  border: none;
  font-weight: 500;
  border-radius: 0.5rem;
  padding: 0.75rem 1.5rem;
  transition: opacity 0.2s;
}
.btn-primary-custom:hover {
  opacity: 0.9;
  color: var(--color-primary-foreground);
}

.btn-outline-custom {
  background-color: var(--color-card);
  color: var(--bs-body-color);
  border: 1px solid var(--color-border);
  font-weight: 500;
  border-radius: 0.5rem;
  padding: 0.75rem 1.5rem;
  transition: background-color 0.2s, color 0.2s;
}
.btn-outline-custom:hover {
  background-color: var(--color-secondary);
  color: var(--bs-body-color);
  border-color: var(--color-accent);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--color-border);
  background-color: var(--bs-body-bg);
  opacity: 0.95;
  backdrop-filter: blur(16px);
}
.nav-link-custom {
  color: var(--color-muted-foreground);
  font-size: 0.875rem;
  text-decoration: none;
  transition: color 0.2s;
}
.nav-link-custom:hover {
  color: var(--bs-body-color);
}

/* Hero Section */
.hero-section {
  position: relative;
  overflow: hidden;
  padding: 4rem 1rem;
}
@media (min-width: 768px) {
  .hero-section {
    padding: 6rem 1.5rem;
  }
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.04;
  background-image: 
    linear-gradient(to right, currentColor 1px, transparent 1px), 
    linear-gradient(to bottom, currentColor 1px, transparent 1px);
  background-size: 48px 48px;
}

/* Features Section */
.features-section {
  border-top: 1px solid var(--color-border);
  padding: 4rem 1rem;
}
@media (min-width: 768px) {
  .features-section { padding: 5rem 1.5rem; }
}
.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border-radius: 0.75rem;
  border: 1px solid var(--color-border);
  background-color: var(--color-border);
  overflow: hidden;
}

@media (min-width: 576px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .business-block {
    grid-column: 1 / span 2;
  }
}

@media (min-width: 992px) {
  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .business-block {
    grid-column: 3;
    grid-row: 1 / span 3;
  }
}

.business-block {
  background-color: var(--color-secondary);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.feature-card {
  background-color: var(--color-card);
  padding: 1.75rem;
  transition: background-color 0.2s;
  height: 100%;
}
.feature-card:hover {
  background-color: var(--color-secondary);
}
.feature-icon-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.5rem;
  border: 1px solid var(--color-border);
  background-color: var(--bs-body-bg);
  color: var(--color-primary);
  transition: border-color 0.2s;
}
.feature-card:hover .feature-icon-wrapper {
  border-color: rgba(227, 25, 55, 0.4); /* #E31937 with 40% opacity */
}

/* Journey Section */
.journey-section {
  border-top: 1px solid var(--color-border);
  background-color: var(--color-card);
  padding: 4rem 1rem;
}
@media (min-width: 768px) {
  .journey-section { padding: 5rem 1.5rem; }
}
.journey-card {
  position: relative;
  border-radius: 0.75rem;
  border: 1px solid var(--color-border);
  background-color: var(--color-card);
  padding: 1.5rem;
  height: 100%;
}

/* CTA Section */
.cta-section {
  border-top: 1px solid var(--color-border);
  padding: 4rem 1rem;
}
@media (min-width: 768px) {
  .cta-section { padding: 5rem 1.5rem; }
}
@media (min-width: 768px) {
  .cta-section { padding: 7rem 1.5rem; }
}
.cta-card {
  position: relative;
  overflow: hidden;
  border-radius: 1rem;
  border: 1px solid var(--color-border);
  background-color: var(--color-card);
  padding: 3.5rem 1.5rem;
  text-align: center;
}
@media (min-width: 768px) {
  .cta-card { padding: 5rem 4rem; }
}
.cta-glow-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.05;
  background-image: radial-gradient(circle at 50% 0%, var(--color-primary), transparent 60%);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 3rem 1.5rem;
}

/* Utilities */
.gap-3 { gap: 0.75rem; }
.gap-7 { gap: 1.75rem; }