.hero { background: var(--bg-dark); }

.scan__back {
  position: absolute;
  inset: 0;
  background: var(--bg-dark);
}

.scan__frame {
  position: absolute;
  z-index: 2;
  inset: 0;
  overflow: hidden;
  transform-origin: center center;
  will-change: transform;
  background: var(--bg-darker);
}

.scan__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform-origin: center center;
  will-change: transform, opacity;
}

.scene--scan {
  z-index: 4;
  background: transparent;
}

.scene--scan::after {
  content: '';
  position: absolute;
  z-index: 8;
  top: 0;
  right: 0;
  left: 0;
  height: 2px;
  pointer-events: none;
  background: linear-gradient(90deg, transparent 4%, var(--brand) 48%, transparent 96%);
  box-shadow: 0 0 30px var(--brand-soft);
  animation: scan-first-sweep 3.1s .2s var(--ease-out) both;
}

@keyframes scan-first-sweep {
  0% { opacity: 0; transform: translateY(0); }
  10% { opacity: .92; }
  88% { opacity: .48; }
  100% { opacity: 0; transform: translateY(calc(100svh - 2px)); }
}

.scan__vignette {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, rgba(6,6,6,.52), transparent 30%, transparent 48%, rgba(6,6,6,.95) 92%),
    linear-gradient(90deg, rgba(6,6,6,.72), transparent 60%);
  pointer-events: none;
}

.scan__mark {
  position: absolute;
  top: clamp(20px, 3.3vw, 42px);
  left: var(--pad-x);
  z-index: 3;
  font-family: var(--font-body);
  font-size: 15px;
  letter-spacing: .035em;
  color: rgba(255,255,255,.82);
  animation: scan-copy-in .8s .04s var(--ease-out) both;
}

.scan__mark strong { color: var(--brand); font-weight: 800; }

.scan__copy {
  position: absolute;
  z-index: 3;
  left: var(--pad-x);
  bottom: clamp(62px, 9svh, 104px);
  width: min(820px, calc(100% - 2 * var(--pad-x)));
  animation: scan-copy-in .9s .08s var(--ease-out) both;
}

@keyframes scan-copy-in {
  from { opacity: .01; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.scan__headline {
  max-width: 820px;
  color: var(--paper);
  font-size: clamp(34px, 4.2vw, 60px);
  font-weight: 500;
  line-height: .94;
  letter-spacing: -.045em;
}

.scan__headline .line { display: block; }
.scan__headline b { color: var(--brand); font-weight: 900; }

.scan__subline {
  max-width: 620px;
  margin-top: clamp(18px, 2.2vw, 28px);
  color: rgba(255,255,255,.74);
  font-size: clamp(15px, 1.3vw, 19px);
  line-height: 1.5;
}

.scan__cta {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-height: 54px;
  margin-top: clamp(20px, 2.4vw, 30px);
  padding: 0 24px;
  border: 1px solid var(--brand);
  border-radius: 999px;
  background: var(--brand);
  color: var(--on-brand);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .035em;
  transition: transform var(--dur-micro) var(--ease-out), background-color var(--dur-micro) var(--ease-out);
}

.scan__cta:hover,
.scan__cta:focus-visible { background: var(--paper); color: var(--ink-deep); transform: translateY(-2px); }
.scan__cta:focus-visible { outline: 3px solid var(--brand); outline-offset: 4px; }
.scan__cta-arrow { font-size: 17px; }

.scan__gesture {
  position: absolute;
  z-index: 3;
  right: var(--pad-x);
  bottom: 34px;
  overflow: hidden;
  color: rgba(255,255,255,.42);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .14em;
}

.scan__gesture span { display: block; animation: scan-gesture 1.8s 1.4s var(--ease-out) infinite; }
@keyframes scan-gesture { 50% { transform: translateY(-4px); color: rgba(255,255,255,.78); } }

.scan__handoff {
  position: absolute;
  z-index: 1;
  inset: 0;
  overflow: hidden;
  background: var(--bg-light-warm);
  opacity: 0;
  visibility: hidden;
}

.scan__handoff-grid {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, transparent 0 38px, color-mix(in srgb, var(--ink) 5%, transparent) 39px 40px),
    repeating-linear-gradient(90deg, transparent 0 58px, color-mix(in srgb, var(--ink) 4%, transparent) 59px 60px);
  opacity: .72;
}

.scan__handoff-curtain {
  position: absolute;
  z-index: 1;
  inset: -2px;
  background: var(--bg-dark);
  transform: scaleX(0);
  transform-origin: center center;
  will-change: transform;
}

.scan__handoff-bars { position: absolute; z-index: 2; inset: 0; }
.scan__handoff-bars i {
  position: absolute;
  width: clamp(18px, 5.8vw, 82px);
  background: var(--brand);
  box-shadow: 0 0 28px var(--brand-soft);
  transform-origin: center top;
  will-change: transform, opacity;
}
.scan__handoff-bars i:nth-child(even) { transform-origin: center bottom; }
.scan__handoff-bars i:nth-child(1) { top: 0; left: 2%; height: 38%; }
.scan__handoff-bars i:nth-child(2) { bottom: 0; left: 9%; height: 28%; }
.scan__handoff-bars i:nth-child(3) { top: 0; left: 16%; height: 24%; }
.scan__handoff-bars i:nth-child(4) { bottom: 0; left: 24%; height: 44%; }
.scan__handoff-bars i:nth-child(5) { top: 0; left: 34%; height: 17%; }
.scan__handoff-bars i:nth-child(6) { bottom: 0; left: 43%; height: 25%; }
.scan__handoff-bars i:nth-child(7) { top: 0; left: 51%; height: 34%; }
.scan__handoff-bars i:nth-child(8) { bottom: 0; left: 61%; height: 18%; }
.scan__handoff-bars i:nth-child(9) { top: 0; left: 69%; height: 27%; }
.scan__handoff-bars i:nth-child(10) { bottom: 0; left: 77%; height: 38%; }
.scan__handoff-bars i:nth-child(11) { top: 0; left: 84%; height: 22%; }
.scan__handoff-bars i:nth-child(12) { bottom: 0; left: 91%; height: 30%; }
.scan__handoff-bars i:nth-child(13) { top: 18%; right: -2%; height: 42%; }

.scan__handoff-signature {
  position: absolute;
  z-index: 3;
  top: 50%;
  left: 50%;
  color: transparent;
  font-family: var(--font-display);
  font-size: min(70vw, 680px);
  font-weight: 900;
  line-height: .72;
  background: repeating-linear-gradient(90deg, var(--brand) 0 7%, transparent 7% 11%);
  background-clip: text;
  -webkit-background-clip: text;
  filter: drop-shadow(0 0 22px var(--brand-soft));
  transform: translate(-50%, -50%);
  transform-origin: center center;
  will-change: transform, opacity;
}

@media (max-width: 900px) {
  .scan__vignette {
    background:
      linear-gradient(to bottom, rgba(6,6,6,.38), transparent 36%, rgba(6,6,6,.16) 48%, rgba(6,6,6,.96) 88%),
      radial-gradient(100% 60% at 50% 35%, transparent 35%, rgba(6,6,6,.42));
  }

  .scan__copy { bottom: 76px; }
  .scan__headline { font-size: clamp(34px, 11vw, 54px); line-height: .92; }
  .scan__subline { max-width: 340px; font-size: 15px; }
  .scan__cta { min-height: 50px; margin-top: 20px; padding-inline: 20px; }
  .scan__gesture { display: none; }
  .scan__handoff-bars i { width: clamp(18px, 11vw, 46px); }
  .scan__handoff-signature { font-size: min(118vw, 520px); }
}

@media (max-width: 420px) and (max-height: 740px) {
  .scan__copy { bottom: 54px; }
  .scan__headline { font-size: clamp(30px, 10vw, 42px); }
  .scan__subline { margin-top: 14px; }
  .scan__cta { margin-top: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  .scene--scan::after,
  .scan__mark,
  .scan__copy,
  .scan__gesture span { animation: none; }
}