/* ============================================================
   MASHINA STUDIO — Motion v3
   Scroll reveal (stagger), system monitor, marquee, counters,
   machine console, status ticker, spec tilt + detail, grid.
   ============================================================ */

/* --- Scroll reveal (single) --- */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.6s var(--ease),
    transform 0.6s var(--ease);
  will-change: opacity, transform;
}

[data-reveal].is-in {
  opacity: 1;
  transform: translateY(0);
}

/* --- Scroll reveal (group / stagger) --- */
[data-reveal-group] > .reveal-child {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.55s var(--ease),
    transform 0.55s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

[data-reveal-group].is-in > .reveal-child,
[data-reveal-group] > .reveal-child.is-in {
  opacity: 1;
  transform: translateY(0);
}

/* --- Animated grid backdrop --- */
.machine-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: 0.4;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, #000 30%, transparent 75%);
  animation: grid-drift 24s linear infinite;
}

@keyframes grid-drift {
  from { background-position: 0 0; }
  to   { background-position: 0 44px; }
}

/* --- Machine console --- */
.machine-console {
  margin-top: var(--sp-8);
  border: 1px solid var(--line);
  border-left: 3px solid var(--signal);
  background: var(--deep);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: var(--size-small);
  line-height: 1.7;
  padding: var(--sp-4) var(--sp-6);
  max-width: 640px;
  box-shadow: 0 12px 32px rgba(20, 19, 18, 0.18);
}

.console__bar {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding-bottom: var(--sp-3);
  margin-bottom: var(--sp-3);
  border-bottom: 1px solid var(--line-dark);
}

.console__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--metal);
}

.console__dot:first-child { background: var(--signal); }

.console__title {
  margin-left: auto;
  color: var(--metal);
  font-size: var(--size-label);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.console__out {
  min-height: 7.5em;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--paper);
  /* The typing script must never change the box height: initConsole()
     locks an exact height in JS (tallest scene), and this hides any
     transient overflow while lines type in. Prevents the page below
     the hero from jumping up/down during the scene cycle. */
  overflow: hidden;
}

.console__cursor {
  display: inline-block;
  width: 0.6em;
  height: 1.1em;
  background: var(--signal);
  vertical-align: text-bottom;
  margin-left: 2px;
  animation: blink 1s steps(1) infinite;
}

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

/* --- Status ticker --- */
.status-ticker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--size-label);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--signal);
  border: 1px solid var(--line);
  padding: var(--sp-2) var(--sp-4);
  margin-top: var(--sp-4);
  background: var(--paper-2);
}

/* --- Marquee ticker --- */
.marquee {
  overflow: hidden;
  border-block: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  padding-block: var(--sp-3);
  white-space: nowrap;
  user-select: none;
}

.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee 75s linear infinite;
  will-change: transform;
}

.marquee__track span {
  display: inline-block;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: var(--size-label);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-right: var(--sp-8);
  color: var(--paper);
}

.marquee__track span em {
  font-style: normal;
  color: var(--signal);
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* --- Spec row tilt + expandable detail --- */
.spec-row {
  transform: perspective(600px) rotateX(var(--tilt, 0deg));
  transform-origin: center;
  transition:
    background var(--dur) var(--ease),
    transform 0.15s var(--ease);
}

.spec-row.has-detail { cursor: pointer; }

.spec-row__detail {
  display: none;
  grid-column: 2 / -1;
  padding-top: var(--sp-3);
  border-top: 1px dashed var(--line);
  font-size: var(--size-small);
  color: var(--ink-2);
}

.spec-row.is-open .spec-row__detail { display: block; }

.spec-row.is-open { background: var(--paper-2); }

/* --- Buttons: snappier press + sheen sweep --- */
.btn { position: relative; overflow: hidden; }

.btn::after {
  content: "";
  position: absolute;
  top: 0;
  left: -120%;
  width: 60%;
  height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transform: skewX(-20deg);
  transition: left 0.5s var(--ease);
}

.btn:hover::after { left: 130%; }

/* --- Reduced motion: kill motion that could be disorienting.
       NOTE: the decorative marquee is deliberately excluded — the owner
       explicitly wants the ticker moving on all devices, including phone. */
@media (prefers-reduced-motion: reduce) {
  .machine-grid { animation: none; }
  .console__cursor { animation: none; }
  .btn::after { display: none; }
  [data-reveal], [data-reveal-group] > .reveal-child {
    opacity: 1;
    transform: none;
  }
}