/* Jay and Sons — scope-line motion layer
   Motion is an enhancement: every marked moment has a readable final state. */

.motion-reveal {
  transition: opacity 520ms var(--ease), transform 520ms var(--ease);
}

.motion-enabled .motion-reveal:not(.is-ready) {
  opacity: 0;
  transform: translateY(0.75rem);
}

.motion-reveal.is-inview,
.motion-reveal.is-ready {
  opacity: 1;
  transform: none;
}

.scope-line {
  display: block;
  width: min(8rem, 36vw);
  height: 2px;
  margin-top: var(--space-5);
  background: var(--primary);
  transform-origin: left center;
  transform: scaleX(1);
  transition: transform 680ms var(--ease);
}

.motion-enabled .scope-line:not(.is-ready) {
  transform: scaleX(0);
}

.scope-line.is-inview,
.scope-line.is-ready {
  transform: scaleX(1);
}

/* Lane cards reveal as a group; the badge is the small scope tick. */
.motion-stagger > * {
  transition: opacity 480ms var(--ease), transform 480ms var(--ease);
}

.motion-enabled .motion-stagger:not(.is-ready) > * {
  opacity: 0;
  transform: translateY(0.75rem);
}

.motion-stagger.is-inview > *,
.motion-stagger.is-ready > * {
  opacity: 1;
  transform: none;
}

.motion-stagger > :nth-child(1) { --motion-delay: 0ms; }
.motion-stagger > :nth-child(2) { --motion-delay: 100ms; }
.motion-stagger > :nth-child(3) { --motion-delay: 200ms; }
.motion-stagger > :nth-child(4) { --motion-delay: 300ms; }
.motion-stagger > :nth-child(5) { --motion-delay: 400ms; }
.motion-stagger > :nth-child(6) { --motion-delay: 500ms; }
.motion-stagger > :nth-child(7) { --motion-delay: 600ms; }

.motion-stagger.is-inview > *,
.motion-stagger.is-ready > * {
  transition-delay: var(--motion-delay);
}

.motion-stagger .card-badge {
  opacity: 1;
  transform: none;
  transition: opacity 360ms var(--ease), transform 360ms var(--ease);
}

.motion-enabled .motion-stagger:not(.is-ready) .card-badge {
  opacity: 0;
  transform: translateX(-0.4rem);
}

.motion-stagger.is-inview .card-badge,
.motion-stagger.is-ready .card-badge {
  opacity: 1;
  transform: none;
  transition-delay: calc(var(--motion-delay) + 120ms);
}

/* A compact line drawing for the Built Smart craft moment. */
.craft-diagram {
  position: relative;
  width: min(100%, 24rem);
  height: 8rem;
  margin-top: var(--space-7);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--muted);
}

.craft-line {
  position: absolute;
  display: block;
  width: 68%;
  height: 2px;
  background: var(--primary);
  transform-origin: left center;
}

.motion-enabled .craft-diagram:not(.is-ready) .craft-line {
  opacity: 0;
}

.craft-line:nth-child(1) { left: 10%; top: 30%; transform: translateX(-1.25rem) rotate(16deg); }
.craft-line:nth-child(2) { left: 22%; top: 66%; transform: translateX(1rem) rotate(-16deg); }
.craft-line:nth-child(3) { left: 37%; top: 48%; width: 44%; transform: translateX(-0.75rem) rotate(90deg); }

.craft-diagram.is-inview .craft-line,
.craft-diagram.is-ready .craft-line {
  animation: scope-settle 720ms var(--ease) both;
}

.craft-diagram.is-inview .craft-line:nth-child(2),
.craft-diagram.is-ready .craft-line:nth-child(2) { animation-delay: 90ms; }

.craft-diagram.is-inview .craft-line:nth-child(3),
.craft-diagram.is-ready .craft-line:nth-child(3) { animation-delay: 180ms; }

@keyframes scope-settle {
  from { opacity: 0; }
  to { opacity: 1; transform: translateX(0) rotate(var(--settled-angle, 0deg)); }
}

.craft-line:nth-child(1) { --settled-angle: 16deg; }
.craft-line:nth-child(2) { --settled-angle: -16deg; }
.craft-line:nth-child(3) { --settled-angle: 90deg; }

/* The header gains a quiet jobsite elevation once the page has moved. */
.site-header {
  transition: box-shadow var(--dur-2) var(--ease), border-color var(--dur-2) var(--ease);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--primary);
}

.btn-primary {
  transition: transform var(--dur-1) var(--ease), box-shadow var(--dur-1) var(--ease),
    background var(--dur-1) var(--ease), opacity var(--dur-1) var(--ease);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn-primary:active {
  transform: translateY(0) scale(0.985);
  box-shadow: var(--shadow-xs);
}

@media (prefers-reduced-motion: reduce) {
  .motion-reveal,
  .motion-stagger > *,
  .motion-stagger .card-badge,
  .scope-line,
  .craft-line,
  .site-header,
  .btn-primary {
    opacity: 1;
    transform: none;
    animation: none !important;
    transition: none !important;
  }
}

.motion-reduced .motion-reveal,
.motion-reduced .motion-stagger > *,
.motion-reduced .motion-stagger .card-badge,
.motion-reduced .scope-line,
.motion-reduced .craft-line {
  opacity: 1;
  transform: none;
  animation: none !important;
  transition: none !important;
}