:root {
  color-scheme: light dark;
  --brand: #ea580c;
  --brand-dark: #c2410c;
  --ink: #1c1917;
  --paper: #fafaf9;
}

html { scroll-behavior: smooth; }

body {
  font-family: "DM Sans", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a, button, input, select, textarea { -webkit-tap-highlight-color: transparent; }

:focus-visible {
  outline: 3px solid #fb923c;
  outline-offset: 3px;
}

.industrial-grid {
  background-image:
    linear-gradient(rgba(234, 88, 12, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(234, 88, 12, .055) 1px, transparent 1px);
  background-size: 44px 44px;
}

.route-line { position: relative; }

.route-line::before {
  content: "";
  position: absolute;
  inset: 18px auto 18px 19px;
  width: 1px;
  background: #d6d3d1;
}

.dark .route-line::before { background: #44403c; }

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .5s ease, transform .5s ease;
}

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

.screen-frame { box-shadow: 0 32px 80px -36px rgba(28, 25, 23, .46); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}