/* Facere — cinematic dark landing
   No nav, no marketing chrome. The 3 attached images are the protagonists. */

:root {
  --bg: #02070d;
  --bg-2: #050b13;
  --cyan: #21eaff;
  --cyan-soft: #65f4ff;
  --cyan-muted: #2b7e8a;
  --cyan-deep: #0a3a44;
  --orange: #ff8a1f;
  --orange-soft: #ffb347;
  --ink: #cfeef5;
  --ink-mid: #6da6b1;
  --ink-low: #2b5560;
}

* { box-sizing: border-box; }
html, body, #root { margin: 0; padding: 0; background: var(--bg); }
body {
  font-family: "IBM Plex Mono", "VT323", ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ───────────────── Stage / scroll ───────────────── */
.scroll-track {
  /* Long total scroll — extra-long product dwell */
  height: 700vh;
  position: relative;
  background: var(--bg);
}
.stage {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  background: var(--bg);
}
.scene-stack { position: absolute; inset: 0; }
.scene-slot {
  position: absolute;
  inset: 0;
  will-change: opacity;
  transform: translateZ(0);
  backface-visibility: hidden;
  contain: layout paint;
}

.scene {
  position: absolute;
  inset: 0;
  overflow: hidden;
  isolation: isolate;
}

/* ───────────────── Background images ─────────────────
   Backgrounds are wrapped in a div we can scale via GSAP for camera push-in. */
.bg-wrap {
  position: absolute;
  inset: 0;
  overflow: hidden;
  transform-origin: 65% 50%;
  will-change: transform;
  transform: translateZ(0);
}
.scene-product .bg-wrap { transform-origin: 50% 60%; }
.scene-install .bg-wrap { transform-origin: 78% 50%; }

/* Image-aspect frame: replicates `background-size: cover` geometry as an
   actual box, so any %-positioned overlay (smoke, sparks, chip pulses…)
   stays locked to the image content regardless of viewport aspect.
   Uses vw/vh because the bg-wrap is always 100vw × 100vh of the stage. */
.image-frame {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) translateZ(0);
  aspect-ratio: 1672 / 941;
  width: max(100vw, calc(100vh * 1672 / 941));
  will-change: transform;
}

.bg-image {
  position: absolute;
  inset: 0;
  background-size: 100% 100%;
  background-position: center center;
  background-repeat: no-repeat;
  /* Crisp pixel-art feel without softening the source */
  image-rendering: -webkit-optimize-contrast;
}

/* WebP-encoded backgrounds for each scene. Default is the full-res
   variant; the mobile media query below swaps in a smaller one so
   phones decode ~50KB instead of ~190KB. */
.scene-hero    .bg-image { background-image: url("assets/exterior-factory.webp"); }
.scene-product .bg-image { background-image: url("assets/factory-interior.webp"); }
.scene-install .bg-image { background-image: url("assets/pcb-chip.webp"); }

.vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 70% 50%, transparent 25%, rgba(2, 7, 13, 0.55) 75%, rgba(2, 7, 13, 0.95) 100%),
    linear-gradient(180deg, rgba(2, 7, 13, 0.45) 0%, transparent 30%, transparent 70%, rgba(2, 7, 13, 0.55) 100%);
}
.product-vignette {
  background:
    radial-gradient(ellipse at 60% 65%, transparent 20%, rgba(2, 7, 13, 0.6) 80%, rgba(2, 7, 13, 0.95) 100%);
}

.haze {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 50% 90%, rgba(255, 138, 31, 0.08), transparent 55%),
    radial-gradient(ellipse at 50% 105%, rgba(33, 234, 255, 0.05), transparent 60%);
  mix-blend-mode: screen;
}
.haze-deep {
  background:
    radial-gradient(circle at 80% 45%, rgba(33, 234, 255, 0.06), transparent 45%),
    radial-gradient(circle at 80% 65%, rgba(255, 138, 31, 0.06), transparent 50%);
  mix-blend-mode: screen;
}

/* ───────────────── Grain overlay ───────────────── */
.grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  opacity: 0.10;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.8 0 0 0 0 0.95 0 0 0 0 1 0 0 0 0.6 0'/></filter><rect width='240' height='240' filter='url(%23n)'/></svg>");
  animation: grain-shift 1.2s steps(6) infinite;
}
@keyframes grain-shift {
  0%   { transform: translate(0, 0); }
  20%  { transform: translate(-3%, 1%); }
  40%  { transform: translate(2%, -2%); }
  60%  { transform: translate(-1%, 2%); }
  80%  { transform: translate(3%, -1%); }
  100% { transform: translate(0, 0); }
}

/* ───────────────── Pixel logo ───────────────── */
.pixel-logo {
  position: relative;
  display: inline-block;
}
.pixel-logo-grid {
  display: flex;
  align-items: flex-start;
}
.pixel-letter {
  display: grid;
}
.px {
  display: block;
  background: transparent;
  width: 100%;
  height: 100%;
}
.px.on {
  background: #2bb7ff;
  box-shadow:
    0 0 2px rgba(33, 200, 255, 0.6),
    0 0 12px rgba(33, 234, 255, 0.25);
  animation: pixel-pulse 4.2s ease-in-out infinite;
}
@keyframes pixel-pulse {
  0%, 100% { filter: brightness(1); }
  50%      { filter: brightness(1.18); }
}

/* Glitch ghosts */
.pixel-logo-ghost {
  position: absolute;
  inset: 0;
  pointer-events: none;
  mix-blend-mode: screen;
  opacity: 0;
}
.ghost-r { animation: glitch-r 12s steps(1) infinite; }
.ghost-c { animation: glitch-c 12s steps(1) infinite; }

/* Many-band signal breakage. Multiple bursts per cycle, each band offset
   independently from the others. Some frames near-fully corrupt. */
@keyframes glitch-r {
  0%, 6%   { opacity: 0; transform: translate(0, 0); clip-path: none; }
  8%       { opacity: 0.9;  transform: translate(8px, 0);   clip-path: inset(5% 0 78% 0); }
  9%       { opacity: 0.7;  transform: translate(-4px, 0);  clip-path: inset(15% 0 70% 0); }
  10%      { opacity: 0; }
  18%      { opacity: 0.85; transform: translate(11px, 0);  clip-path: inset(28% 0 58% 0); }
  19%      { opacity: 0; }
  24%      { opacity: 0.7;  transform: translate(-7px, 0);  clip-path: inset(48% 0 38% 0); }
  25%      { opacity: 0.5;  transform: translate(3px, 0);   clip-path: inset(52% 0 36% 0); }
  26%      { opacity: 0; }
  /* small quiet patch */
  36%      { opacity: 0.65; transform: translate(5px, 0);   clip-path: inset(62% 0 24% 0); }
  37%      { opacity: 0; }
  44%      { opacity: 0.95; transform: translate(-9px, 0);  clip-path: inset(72% 0 14% 0); }
  45%      { opacity: 0.6;  transform: translate(4px, 0);   clip-path: inset(78% 0 8% 0); }
  46%      { opacity: 0; }
  56%      { opacity: 0.55; transform: translate(2px, 0);   clip-path: inset(18% 0 70% 0); }
  57%      { opacity: 0; }
  64%      { opacity: 0.9;  transform: translate(-10px, 0); clip-path: inset(35% 0 50% 0); }
  65%      { opacity: 0; }
  72%      { opacity: 0.7;  transform: translate(6px, 0);   clip-path: inset(58% 0 30% 0); }
  73%      { opacity: 0; }
  /* full corruption flash */
  82%      { opacity: 0.85; transform: translate(7px, 0);   clip-path: none; }
  83%      { opacity: 0; }
  90%      { opacity: 0.6;  transform: translate(-3px, 0);  clip-path: inset(68% 0 22% 0); }
  91%, 100% { opacity: 0; transform: translate(0, 0); clip-path: none; }
}
@keyframes glitch-c {
  0%, 6%   { opacity: 0; transform: translate(0, 0); clip-path: none; }
  8%       { opacity: 0.85; transform: translate(-8px, 0);  clip-path: inset(5% 0 78% 0); }
  9%       { opacity: 0.65; transform: translate(4px, 0);   clip-path: inset(15% 0 70% 0); }
  10%      { opacity: 0; }
  18%      { opacity: 0.8;  transform: translate(-11px, 0); clip-path: inset(28% 0 58% 0); }
  19%      { opacity: 0; }
  24%      { opacity: 0.65; transform: translate(7px, 0);   clip-path: inset(48% 0 38% 0); }
  25%      { opacity: 0.45; transform: translate(-3px, 0);  clip-path: inset(52% 0 36% 0); }
  26%      { opacity: 0; }
  36%      { opacity: 0.6;  transform: translate(-5px, 0);  clip-path: inset(62% 0 24% 0); }
  37%      { opacity: 0; }
  44%      { opacity: 0.9;  transform: translate(9px, 0);   clip-path: inset(72% 0 14% 0); }
  45%      { opacity: 0.55; transform: translate(-4px, 0);  clip-path: inset(78% 0 8% 0); }
  46%      { opacity: 0; }
  56%      { opacity: 0.5;  transform: translate(-2px, 0);  clip-path: inset(18% 0 70% 0); }
  57%      { opacity: 0; }
  64%      { opacity: 0.85; transform: translate(10px, 0);  clip-path: inset(35% 0 50% 0); }
  65%      { opacity: 0; }
  72%      { opacity: 0.65; transform: translate(-6px, 0);  clip-path: inset(58% 0 30% 0); }
  73%      { opacity: 0; }
  82%      { opacity: 0.8;  transform: translate(-7px, 0);  clip-path: none; }
  83%      { opacity: 0; }
  90%      { opacity: 0.55; transform: translate(3px, 0);   clip-path: inset(68% 0 22% 0); }
  91%, 100% { opacity: 0; transform: translate(0, 0); clip-path: none; }
}

/* Logo sits on top of bg, no nav */
.content-hero {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  padding-left: 8vw;
  z-index: 5;
}
.logo-wrap {
  position: relative;
  animation: logo-jitter 12s steps(1) infinite, logo-flicker 10s ease-in-out infinite, logo-dropout 28s steps(1) infinite;
}
/* Brightness flicker — frequent dips like signal loss */
@keyframes logo-flicker {
  0%, 100% { filter: brightness(1) saturate(1); }
  10%      { filter: brightness(1.2) saturate(1.1); }
  11%      { filter: brightness(0.45); }
  12%      { filter: brightness(1.1); }
  13%      { filter: brightness(1); }
  28%      { filter: brightness(0.6); }
  29%      { filter: brightness(1.25); }
  30%      { filter: brightness(0.85); }
  46%      { filter: brightness(1.15); }
  47%      { filter: brightness(0.5); }
  48%      { filter: brightness(1); }
  68%      { filter: brightness(1.2); }
  69%      { filter: brightness(0.65); }
  70%      { filter: brightness(1.05); }
  82%      { filter: brightness(0.4); }
  83%      { filter: brightness(1.15); }
  84%      { filter: brightness(1); }
}
/* Logo body — many independent band shears, frequent bursts. */
@keyframes logo-jitter {
  0%, 6%, 100% { transform: translate(0, 0); clip-path: none; }
  8%           { transform: translate(5px, 0);   clip-path: inset(5% 0 78% 0); }
  9%           { transform: translate(-3px, 0);  clip-path: inset(15% 0 70% 0); }
  10%          { transform: translate(0, 0);    clip-path: none; }
  18%          { transform: translate(-6px, 0);  clip-path: inset(28% 0 58% 0); }
  19%          { transform: translate(2px, 0);   clip-path: none; }
  24%          { transform: translate(4px, 0);   clip-path: inset(48% 0 38% 0); }
  25%          { transform: translate(-2px, 0);  clip-path: inset(52% 0 36% 0); }
  26%          { transform: translate(0, 0);    clip-path: none; }
  36%          { transform: translate(-3px, 0);  clip-path: inset(62% 0 24% 0); }
  37%          { transform: translate(0, 0);    clip-path: none; }
  44%          { transform: translate(7px, 0);   clip-path: inset(72% 0 14% 0); }
  45%          { transform: translate(-4px, 0);  clip-path: inset(78% 0 8% 0); }
  46%          { transform: translate(0, 0);    clip-path: none; }
  56%          { transform: translate(-2px, 0);  clip-path: inset(18% 0 70% 0); }
  57%          { transform: translate(0, 0);    clip-path: none; }
  64%          { transform: translate(8px, 0);   clip-path: inset(35% 0 50% 0); }
  65%          { transform: translate(-3px, 0);  clip-path: none; }
  72%          { transform: translate(-5px, 0);  clip-path: inset(58% 0 30% 0); }
  73%          { transform: translate(2px, 0);   clip-path: none; }
  82%          { transform: translate(-4px, 0) skewX(-0.2deg); }
  83%          { transform: translate(0, 0); }
  90%          { transform: translate(3px, 0);   clip-path: inset(68% 0 22% 0); }
  91%          { transform: translate(0, 0);    clip-path: none; }
}

/* Independent dropout — small portions disappear briefly (transmission loss) */
@keyframes logo-dropout {
  0%, 14%   { opacity: 1; clip-path: none; }
  15%       { opacity: 1; clip-path: polygon(0 0, 100% 0, 100% 18%, 0 18%, 0 28%, 100% 28%, 100% 100%, 0 100%); }
  16%       { opacity: 1; clip-path: none; }
  /* 18% black-out band lower */
  33%       { clip-path: polygon(0 0, 100% 0, 100% 60%, 0 60%, 0 72%, 100% 72%, 100% 100%, 0 100%); }
  34%       { clip-path: none; }
  /* near-total dropout flash */
  52%       { opacity: 0.15; }
  53%       { opacity: 1; }
  /* upper third missing */
  68%       { clip-path: polygon(0 32%, 100% 32%, 100% 100%, 0 100%); }
  69%       { clip-path: none; }
  /* full split */
  85%       { clip-path: polygon(0 0, 100% 0, 100% 40%, 0 40%, 0 56%, 100% 56%, 100% 100%, 0 100%); }
  86%       { clip-path: none; }
  92%       { opacity: 0.4; }
  93%       { opacity: 1; }
}

/* Pixel-bar breaks — multiple thin dark bands across cycle */
.logo-wrap::after {
  content: "";
  position: absolute;
  left: -80px; right: -80px;
  top: 0;
  height: 100%;
  pointer-events: none;
  z-index: 4;
  background:
    linear-gradient(rgba(2,7,13,0.95), rgba(2,7,13,0.95)) 0 12% / 100% 4% no-repeat,
    linear-gradient(rgba(2,7,13,0.95), rgba(2,7,13,0.95)) 0 32% / 100% 3% no-repeat,
    linear-gradient(rgba(2,7,13,0.95), rgba(2,7,13,0.95)) 0 50% / 100% 4% no-repeat,
    linear-gradient(rgba(2,7,13,0.95), rgba(2,7,13,0.95)) 0 68% / 100% 3% no-repeat,
    linear-gradient(rgba(2,7,13,0.95), rgba(2,7,13,0.95)) 0 84% / 100% 4% no-repeat;
  opacity: 0;
  animation: pixel-break 12s steps(1) infinite;
}
@keyframes pixel-break {
  0%, 7%   { opacity: 0; }
  8%       { opacity: 0.9; }
  9%, 10%  { opacity: 0; }
  18%      { opacity: 0.85; }
  19%      { opacity: 0; }
  24%, 25% { opacity: 0.85; }
  26%      { opacity: 0; }
  36%      { opacity: 0.6; }
  37%      { opacity: 0; }
  44%, 45% { opacity: 0.9; }
  46%      { opacity: 0; }
  56%      { opacity: 0.5; }
  57%      { opacity: 0; }
  64%      { opacity: 0.85; }
  65%      { opacity: 0; }
  72%      { opacity: 0.6; }
  73%      { opacity: 0; }
  82%      { opacity: 0.95; }
  83%      { opacity: 0; }
  90%      { opacity: 0.55; }
  91%, 100% { opacity: 0; }
}

/* Fragmented scanline slices — multiple bands that jump left/right */
.logo-wrap::before {
  content: "";
  position: absolute;
  left: -100px; right: -100px;
  top: -10%;
  height: 8%;
  pointer-events: none;
  z-index: 3;
  mix-blend-mode: screen;
  filter: blur(0.5px);
  background:
    linear-gradient(90deg,
      transparent 0%,
      rgba(33,234,255,0.15) 18%,
      rgba(33,234,255,0.35) 38%,
      transparent 48%,
      transparent 56%,
      rgba(33,234,255,0.30) 72%,
      rgba(33,234,255,0.10) 88%,
      transparent 100%);
  opacity: 0;
  animation: scan-tear 12s steps(1) infinite;
}
@keyframes scan-tear {
  0%, 7%   { opacity: 0; top: -8%; transform: translateX(0); }
  8%       { opacity: 0.9; top: 8%;  transform: translateX(-12px); }
  10%      { opacity: 0; }
  18%      { opacity: 0.85; top: 26%; transform: translateX(14px); }
  20%      { opacity: 0; }
  24%      { opacity: 0.95; top: 44%; transform: translateX(-10px); }
  26%      { opacity: 0; }
  36%      { opacity: 0.7;  top: 60%; transform: translateX(8px); }
  37%      { opacity: 0; }
  44%      { opacity: 0.95; top: 74%; transform: translateX(-14px); }
  46%      { opacity: 0; }
  56%      { opacity: 0.6;  top: 16%; transform: translateX(10px); }
  57%      { opacity: 0; }
  64%      { opacity: 0.9;  top: 38%; transform: translateX(-8px); }
  65%      { opacity: 0; }
  72%      { opacity: 0.7;  top: 56%; transform: translateX(12px); }
  73%      { opacity: 0; }
  82%      { opacity: 0.95; top: 70%; transform: translateX(-10px); }
  83%      { opacity: 0; }
  90%      { opacity: 0.6;  top: 88%; transform: translateX(6px); }
  91%, 100% { opacity: 0; }
}
.logo-scanlines {
  position: absolute;
  inset: -8px -16px;
  pointer-events: none;
  background: repeating-linear-gradient(
    180deg,
    rgba(33, 234, 255, 0.04) 0px,
    rgba(33, 234, 255, 0.04) 1px,
    transparent 2px,
    transparent 5px
  );
  opacity: 0.5;
  mix-blend-mode: screen;
  animation: scan-roll 8s linear infinite;
}
@keyframes scan-roll {
  from { background-position: 0 0; }
  to   { background-position: 0 40px; }
}

/* ───────────────── Smoke ───────────────── */
.smoke-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 4;
}
.smoke-puff {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(170, 185, 200, 0.42) 0%, rgba(110, 135, 160, 0.22) 45%, transparent 72%);
  clip-path: polygon(
    25% 0%, 50% 0%, 75% 0%,
    100% 25%, 100% 50%, 100% 75%,
    75% 100%, 50% 100%, 25% 100%,
    0% 75%, 0% 50%, 0% 25%
  );
  filter: blur(1.5px);
  transform: translate(-50%, 0%) scale(0.25);
  opacity: 0;
  animation: smoke-rise linear infinite;
  will-change: transform, opacity;
}
/* Smoke rises STRAIGHT UP from the chimney tip (top: ch.y is the tip).
   y=0% at tip → y=-220% at end so it lifts well above. */
@keyframes smoke-rise {
  0%   { transform: translate(-50%, 0%) scale(0.30); opacity: 0; }
  10%  { opacity: 0.55; }
  60%  { opacity: 0.32; }
  100% { transform: translate(calc(-50% + var(--drift, 0rem)), -260%) scale(1.4); opacity: 0; }
}

/* ───────────────── Embers / lights ───────────────── */
.ember-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
}
.ember {
  position: absolute;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: ember-flicker ease-in-out infinite;
}
.ember-warm {
  background: var(--orange);
  box-shadow: 0 0 4px rgba(255, 138, 31, 0.9), 0 0 10px rgba(255, 138, 31, 0.5);
}
.ember-soft {
  background: var(--orange-soft);
  box-shadow: 0 0 3px rgba(255, 179, 71, 0.8), 0 0 8px rgba(255, 179, 71, 0.4);
}
@keyframes ember-flicker {
  0%, 100% { opacity: 0.9; transform: translate(-50%, -50%) scale(1); }
  40%      { opacity: 0.3; transform: translate(-50%, -50%) scale(0.85); }
  55%      { opacity: 1.0; transform: translate(-50%, -50%) scale(1.05); }
  80%      { opacity: 0.5; }
}

/* ───────────────── Sparks (interior) ───────────────── */
.spark-layer {
  position: absolute;
  /* Welding zone in image 2 — center of conveyor */
  left: 49.5%;
  top: 65.5%;
  width: 2px;
  height: 2px;
  pointer-events: none;
  z-index: 4;
}
.spark-core {
  position: absolute;
  left: -6px; top: -6px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 220, 130, 0.95) 0%, rgba(255, 138, 31, 0.6) 40%, transparent 75%);
  filter: blur(1px);
  animation: spark-core-pulse 1.4s ease-in-out infinite;
}
@keyframes spark-core-pulse {
  0%, 100% { opacity: 0.55; transform: scale(0.85); }
  35%      { opacity: 1; transform: scale(1.4); }
  60%      { opacity: 0.7; transform: scale(1); }
}
.spark {
  position: absolute;
  left: 0; top: 0;
  border-radius: 50%;
  background: var(--orange-soft);
  box-shadow: 0 0 4px rgba(255, 200, 100, 0.9), 0 0 8px rgba(255, 138, 31, 0.6);
  animation: spark-fly ease-out infinite;
}
@keyframes spark-fly {
  0%   { transform: translate(0, 0) scale(1); opacity: 1; }
  100% { transform: translate(var(--tx), var(--ty)) scale(0.3); opacity: 0; }
}

/* ───────────────── Robotic arm idle ───────────────── */
.arm-pivot {
  position: absolute;
  width: 1px; height: 1px;
  pointer-events: none;
  z-index: 2;
  /* The arms in image 2 are roughly here — we just nudge a small overlay glow */
  animation: arm-idle 5s ease-in-out infinite;
  transform-origin: center;
}
.arm-left {
  left: 44%; top: 55%;
  background: radial-gradient(circle, rgba(255, 138, 31, 0.5) 0%, transparent 70%);
  width: 60px; height: 60px;
  margin: -30px 0 0 -30px;
  filter: blur(8px);
  animation-delay: -1.5s;
}
.arm-right {
  left: 56%; top: 55%;
  background: radial-gradient(circle, rgba(255, 138, 31, 0.5) 0%, transparent 70%);
  width: 60px; height: 60px;
  margin: -30px 0 0 -30px;
  filter: blur(8px);
}
@keyframes arm-idle {
  0%, 100% { opacity: 0.6; transform: translateY(0); }
  50%      { opacity: 0.95; transform: translateY(-2px); }
}

/* Conveyor light pulse: subtle bright row beneath */
.conveyor-pulse {
  position: absolute;
  left: 6%; right: 6%;
  top: 78%;
  height: 3px;
  pointer-events: none;
  z-index: 2;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(255, 200, 100, 0) 10%,
    rgba(255, 200, 100, 0.45) 50%,
    rgba(255, 200, 100, 0) 90%,
    transparent 100%);
  filter: blur(2px);
  animation: conveyor-pulse 4s ease-in-out infinite;
}
@keyframes conveyor-pulse {
  0%, 100% { opacity: 0.25; transform: translateX(-10%); }
  50%      { opacity: 0.7;  transform: translateX(10%); }
}

/* ───────────────── Chip pulses (install) ───────────────── */
.chip-pulses {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
}
.chip-pulse {
  position: absolute;
  width: 4px; height: 4px;
  margin: -2px 0 0 -2px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 6px rgba(255, 138, 31, 0.9), 0 0 14px rgba(255, 138, 31, 0.45);
  animation: chip-blink ease-in-out infinite;
}
@keyframes chip-blink {
  0%, 100% { opacity: 0.95; transform: scale(1); }
  50%      { opacity: 0.25; transform: scale(0.7); }
}
.chip-glow {
  position: absolute;
  /* main chip is ~upper-right of image */
  left: 78%; top: 38%;
  width: 280px; height: 280px;
  margin: -140px 0 0 -140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(33, 234, 255, 0.10) 0%, transparent 65%);
  filter: blur(10px);
  animation: chip-breath 6s ease-in-out infinite;
}
@keyframes chip-breath {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.15); }
}

/* ───────────────── Content blocks ───────────────── */
.content {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 10;
}
.content > * { pointer-events: auto; }

.content-product {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 6vw;
  max-width: none;
  width: min(1680px, 92vw);
}
.content-install {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 8vw;
  max-width: 780px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: 0.28em;
  color: var(--cyan);
  margin-bottom: 32px;
  padding: 8px 16px;
  border: 1px solid rgba(33, 234, 255, 0.25);
  background: rgba(33, 234, 255, 0.03);
  width: fit-content;
  text-shadow: 0 0 8px rgba(33, 234, 255, 0.4);
}
.tag-dot {
  width: 6px; height: 6px;
  background: var(--cyan);
  box-shadow: 0 0 6px var(--cyan);
  animation: tag-blink 1.6s steps(2) infinite;
}
@keyframes tag-blink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.3; }
}

.headline {
  font-family: "VT323", "IBM Plex Mono", monospace;
  font-size: clamp(36px, 4vw, 64px);
  white-space: nowrap;
  line-height: 1.05;
  letter-spacing: 0.01em;
  color: var(--cyan-soft);
  text-shadow:
    0 0 12px rgba(33, 234, 255, 0.6),
    0 0 32px rgba(33, 234, 255, 0.3);
  margin: 0 0 28px;
  font-weight: 400;
}
.headline .bracket {
  color: var(--cyan-muted);
  text-shadow: 0 0 6px rgba(43, 126, 138, 0.5);
  font-size: 0.85em;
  margin: 0 0.2em;
}
.headline .hl {
  color: #fff;
  text-shadow:
    0 0 12px rgba(33, 234, 255, 0.85),
    0 0 30px rgba(33, 234, 255, 0.45);
}

.body, .subheadline {
  color: var(--ink-mid);
  font-size: clamp(17px, 1.4vw, 22px);
  line-height: 1.55;
  letter-spacing: 0.04em;
  max-width: none;
  white-space: nowrap;
  margin: 0;
}
.subheadline {
  margin-bottom: 32px;
  letter-spacing: 0.18em;
  font-size: 16px;
  text-transform: uppercase;
}

/* ───────────────── Command box ───────────────── */
.cmd-box {
  position: relative;
  margin: 4px 0 28px;
  border: 1px solid rgba(33, 234, 255, 0.22);
  background: rgba(2, 7, 13, 0.72);
  backdrop-filter: blur(2px);
  cursor: pointer;
  font-family: "IBM Plex Mono", monospace;
  font-size: 17px;
  max-width: 720px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  box-shadow:
    0 0 0 1px rgba(33, 234, 255, 0.05),
    0 0 24px rgba(33, 234, 255, 0.08),
    inset 0 0 40px rgba(33, 234, 255, 0.03);
}
.cmd-box:hover {
  border-color: rgba(33, 234, 255, 0.5);
  box-shadow:
    0 0 0 1px rgba(33, 234, 255, 0.15),
    0 0 36px rgba(33, 234, 255, 0.18);
}
.cmd-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid rgba(33, 234, 255, 0.15);
  background: rgba(10, 58, 68, 0.25);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan-muted);
}
.cmd-led {
  width: 8px; height: 8px;
  background: var(--cyan-deep);
  border: 1px solid rgba(33, 234, 255, 0.3);
}
.cmd-led.led-amber { background: rgba(255, 138, 31, 0.4); border-color: rgba(255, 138, 31, 0.5); }
.cmd-led.led-cyan  { background: rgba(33, 234, 255, 0.4); border-color: rgba(33, 234, 255, 0.5); }
.cmd-title { font-size: 11px; margin-left: 4px; opacity: 0.8; }
.cmd-bar-hint {
  margin-left: auto;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--cyan-muted);
  transition: color 0.2s ease;
}
.cmd-box.copied .cmd-bar-hint { color: var(--cyan); }

.cmd-body {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 18px 20px;
  white-space: nowrap;
  overflow-x: auto;
  color: var(--cyan-soft);
  text-shadow: 0 0 8px rgba(33, 234, 255, 0.4);
}
.cmd-prompt { color: var(--orange-soft); }
.cmd-cursor {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(33, 234, 255, 0.7);
  animation: cursor-blink 1.05s steps(1) infinite;
}
@keyframes cursor-blink {
  0%, 50%   { opacity: 1; }
  51%, 100% { opacity: 0; }
}
.cmd-box.copied { border-color: rgba(33, 234, 255, 0.55); }

.docs-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--cyan);
  font-size: 15px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(33, 234, 255, 0.25);
  padding-bottom: 4px;
  width: fit-content;
  text-shadow: 0 0 8px rgba(33, 234, 255, 0.35);
  transition: color 0.2s ease, border-color 0.2s ease;
}
.docs-link:hover {
  color: var(--cyan-soft);
  border-color: var(--cyan);
}
.docs-link .arrow {
  transition: transform 0.25s ease;
}
.docs-link:hover .arrow { transform: translateX(4px); }

/* ───────────────── HUD ───────────────── */
.hud {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
}
.hud-brand {
  position: absolute;
  top: 24px;
  left: 28px;
  font-size: 11px;
  letter-spacing: 0.4em;
  color: var(--cyan);
  text-shadow: 0 0 8px rgba(33, 234, 255, 0.5);
}
.hud-meta {
  position: absolute;
  top: 24px;
  right: 28px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--cyan-muted);
}
.hud-meta-line {
  width: 36px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-muted));
}
.hud-nav {
  position: absolute;
  right: 28px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.hud-step {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--ink-low);
  transition: color 0.4s ease;
}
.hud-step-dot {
  width: 6px; height: 6px;
  background: transparent;
  border: 1px solid currentColor;
  border-radius: 50%;
}
.hud-step.is-past { color: var(--cyan-muted); }
.hud-step.is-active { color: var(--cyan); text-shadow: 0 0 8px rgba(33, 234, 255, 0.5); }
.hud-step.is-active .hud-step-dot {
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}

/* Scroll cue */
.scroll-cue {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 11;
  opacity: 0.7;
}
.scroll-cue-line {
  width: 1px;
  height: 36px;
  background: linear-gradient(180deg, transparent, var(--cyan));
  animation: cue-drop 2.4s ease-in-out infinite;
}
@keyframes cue-drop {
  0%, 100% { transform: translateY(0); opacity: 0.4; }
  50%      { transform: translateY(8px); opacity: 1; }
}
.scroll-cue-label {
  font-size: 9px;
  letter-spacing: 0.4em;
  color: var(--cyan-muted);
}

/* ───────────────── Mobile recompose ───────────────── */
@media (max-width: 760px) {
  /* Shorter scroll on phones — 700vh of swiping is exhausting.
     The GSAP timeline scrubs by progress (0..1) so the choreography
     still plays out, just over a shorter total scroll distance. */
  .scroll-track { height: 480vh; }

  /* Perf: kill the heaviest paint work on mobile GPUs.
     - SVG feTurbulence in .grain is the single most expensive thing
       on the page; dropping it gives the biggest scroll-jank win.
     - mix-blend-mode and backdrop-filter both force off-screen
       compositing passes per frame. */
  .grain { display: none; }
  .haze, .haze-deep, .smoke-puff { mix-blend-mode: normal; }
  .cmd-box { backdrop-filter: none; }
  /* The blurred arm-glow and chip-glow are decorative — drop the
     blurs that force a re-rasterization on every scrub frame. */
  .arm-pivot { display: none; }
  .conveyor-pulse { filter: none; }
  .chip-glow { filter: none; }
  .logo-wrap::before { filter: none; }

  /* Re-aim the camera so the meaningful part of each landscape image
     stays roughly in frame on a portrait viewport. */
  .bg-wrap { transform-origin: 70% 60% !important; }
  .scene-product .bg-wrap { transform-origin: 55% 70% !important; }
  .scene-install .bg-wrap { transform-origin: 70% 55% !important; }

  /* Use the smaller WebP variants — ~52KB total instead of ~190KB. */
  .scene-hero    .bg-image { background-image: url("assets/exterior-factory-mobile.webp"); }
  .scene-product .bg-image { background-image: url("assets/factory-interior-mobile.webp"); }
  .scene-install .bg-image { background-image: url("assets/pcb-chip-mobile.webp"); }

  /* Hero: center the (now responsively sized) logo. */
  .content-hero {
    align-items: center;
    justify-content: center;
    padding: 0 6vw;
  }

  .content-product, .content-install {
    padding: 14vh 7vw 14vh;
    width: 100%;
    max-width: 100%;
    justify-content: flex-start;
  }

  .tag {
    font-size: 11px;
    letter-spacing: 0.22em;
    margin-bottom: 22px;
    padding: 7px 12px;
    gap: 8px;
  }

  .headline {
    font-size: clamp(30px, 8.5vw, 52px);
    white-space: normal;
    line-height: 1.1;
    margin-bottom: 22px;
  }
  .body, .subheadline {
    white-space: normal;
    max-width: 100%;
  }
  .body { font-size: clamp(15px, 4vw, 18px); line-height: 1.5; }
  .subheadline { font-size: 13px; letter-spacing: 0.16em; margin-bottom: 22px; }

  .cmd-box { font-size: 14px; max-width: 100%; }
  .cmd-bar { padding: 7px 10px; font-size: 10px; letter-spacing: 0.14em; }
  .cmd-title { display: none; }
  .cmd-bar-hint { font-size: 9px; letter-spacing: 0.18em; }
  .cmd-body {
    font-size: 13px;
    padding: 14px 12px 16px;
    /* Allow long install command to wrap on tiny screens instead of scrolling. */
    white-space: normal;
    word-break: break-all;
    overflow-x: visible;
  }

  .docs-link { font-size: 13px; letter-spacing: 0.14em; }

  /* HUD: compact, less metadata, no labels. */
  .hud-brand { top: 16px; left: 14px; font-size: 10px; letter-spacing: 0.32em; }
  .hud-meta {
    top: 16px; right: 14px;
    gap: 8px;
    font-size: 10px;
    letter-spacing: 0.22em;
  }
  .hud-meta-line { width: 16px; }
  .hud-nav { right: 10px; gap: 14px; }
  .hud-step-label { display: none; }

  .scroll-cue { bottom: 18px; }
  .scroll-cue-line { height: 28px; }

  .chip-glow { width: 180px; height: 180px; margin: -90px 0 0 -90px; }
  .arm-left, .arm-right { width: 40px; height: 40px; margin: -20px 0 0 -20px; }
}

/* Narrow phones — tighten further */
@media (max-width: 480px) {
  .content-product, .content-install { padding: 12vh 6vw 12vh; }
  .headline { font-size: clamp(26px, 9vw, 40px); margin-bottom: 18px; }
  .body { font-size: 14px; }
  .tag { font-size: 10px; padding: 6px 10px; margin-bottom: 18px; }
  .cmd-body { font-size: 12px; padding: 12px 10px 14px; }
  .docs-link { font-size: 12px; }
  .hud-meta span:not(.hud-meta-line) { /* keep depth readout but shrink */ font-size: 9px; }
  .scroll-cue-label { font-size: 8px; }
}

/* Short / landscape phones — pull content tighter so HUD doesn't collide. */
@media (max-height: 520px) and (max-width: 900px) {
  .content-product, .content-install { padding: 9vh 6vw; }
  .headline { font-size: clamp(24px, 5vw, 36px); margin-bottom: 14px; }
  .scroll-cue { display: none; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .px.on,
  .ember,
  .spark,
  .spark-core,
  .smoke-puff,
  .conveyor-pulse,
  .chip-pulse,
  .chip-glow,
  .ghost-r, .ghost-c,
  .logo-wrap,
  .logo-scanlines,
  .grain,
  .arm-pivot,
  .scroll-cue-line {
    animation: none !important;
  }
  .smoke-puff { opacity: 0.3; }
}