.presentation {
  position: relative;
  width: 100%;
  height: 100dvh;
  min-height: 32rem;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  isolation: isolate;
}

.presentation__header {
  position: absolute;
  z-index: 60;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.25rem, 2.2vw, 2.5rem);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 96%, transparent);
}

.brand-home {
  display: inline-flex;
  align-items: center;
  min-height: 2.6rem;
  text-decoration: none;
}

.brand-logo {
  position: relative;
  display: block;
  width: 8.85rem;
  height: 3rem;
  flex: 0 0 auto;
}

.brand-logo__asset {
  position: absolute;
  inset: 0 auto auto 0;
  width: 236px;
  height: 80px;
  transform: scale(0.6);
  transform-origin: left top;
}

.brand-logo__mark,
.brand-logo__word {
  position: absolute;
  top: 0;
  height: 80px;
}

.brand-logo__mark {
  left: 0;
  width: 80px;
  overflow: hidden;
  background: url("../brand/fujitec-logo-white.png") no-repeat 0 0 / 236px 80px;
}

.brand-logo__word {
  left: 80px;
  width: 156px;
  overflow: hidden;
}

.brand-logo__word::before {
  content: "";
  position: absolute;
  left: -80px;
  top: 0;
  width: 236px;
  height: 80px;
  background: var(--brand-word);
  -webkit-mask: url("../brand/fujitec-logo-white.png") no-repeat 0 0 / 236px 80px;
  mask: url("../brand/fujitec-logo-white.png") no-repeat 0 0 / 236px 80px;
}

.badge-card img {
  filter: brightness(0);
}

[data-theme="dark"] .badge-card img {
  filter: brightness(0) invert(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header-control {
  width: 2.7rem;
  height: 2.7rem;
  display: inline-grid;
  place-items: center;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  text-decoration: none;
  transition: color 180ms ease, background-color 180ms ease;
}

.header-control:hover {
  color: var(--red);
  background: var(--surface-2);
}

.theme-icon--dark,
[data-theme="dark"] .theme-icon--light {
  display: none;
}

[data-theme="dark"] .theme-icon--dark {
  display: block;
}

.presentation__menu {
  position: absolute;
  z-index: 70;
  top: calc(var(--header-height) + 0.75rem);
  right: 1.25rem;
  width: min(26rem, calc(100vw - 2.5rem));
  padding: 0.75rem;
  background: var(--surface);
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}

.presentation__menu nav {
  display: grid;
}

.presentation__menu a {
  display: grid;
  grid-template-columns: 0.8rem 1fr auto;
  align-items: center;
  gap: 0.9rem;
  min-height: 3.9rem;
  padding: 0.75rem;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  font-weight: 500;
}

.presentation__menu a:last-child {
  border-bottom: 0;
}

.presentation__menu a::before {
  content: "";
  width: 0.58rem;
  height: 0.58rem;
  background: var(--red);
}

.presentation__menu a:hover {
  background: var(--surface-2);
}

.presentation__menu .icon {
  width: 1.25rem;
}

.presentation__stage {
  position: absolute;
  z-index: 1;
  top: var(--header-height);
  right: 0;
  bottom: 0;
  left: 0;
  overflow: hidden;
}

.presentation__track,
.screen {
  position: absolute;
  inset: 0;
}

.screen {
  visibility: hidden;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.screen[data-active="true"] {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}

.presentation__progress {
  position: absolute;
  z-index: 64;
  top: calc(var(--header-height) - 2px);
  left: 0;
  width: 100%;
  height: 2px;
  background: transparent;
  pointer-events: none;
}

.presentation__progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--red);
  transform: scaleX(var(--progress, 0));
  transform-origin: left center;
  transition: transform 420ms cubic-bezier(0.16, 1, 0.3, 1);
}

.presentation__footer {
  position: absolute;
  z-index: 50;
  right: 0;
  bottom: 0;
  left: 0;
  height: var(--footer-height);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 var(--gutter);
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 96%, transparent);
}

.presentation__footer[hidden] {
  display: none;
}

.presentation__trail-label,
.presentation__counter {
  font-family: var(--font-mono);
  font-size: var(--small);
  font-variant-numeric: tabular-nums;
}

.presentation__trail-label {
  color: var(--muted);
}

.presentation__counter {
  min-width: 5.8rem;
  text-align: center;
  color: var(--text);
}

.presentation__nav {
  grid-column: 3;
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-button {
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: background-color 180ms ease, color 180ms ease;
}

.nav-button:hover {
  color: var(--red);
  background: var(--surface-2);
}

[data-white-key] {
  transition: opacity 180ms ease;
}

[data-theme="dark"] [data-white-key]:not([data-keyed="true"]) {
  opacity: 0;
}

/* Hub */
.hub {
  background: var(--surface);
}

.hub__field {
  position: absolute;
  z-index: 1;
  display: block;
  overflow: hidden;
  color: var(--text-inverse);
  text-decoration: none;
  background: var(--surface-inverse);
}

.hub__field--nexo,
.hub__field--infra {
  color: #fff;
}

.hub__field::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 4;
  border: 2px solid var(--red);
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
}

.hub__field:hover::after,
.hub__field:focus-visible::after {
  opacity: 1;
}

.hub__field > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 820ms cubic-bezier(0.16, 1, 0.3, 1);
}

.hub__field:hover > img,
.hub__field:focus-visible > img {
  transform: scale(1.035);
}

.hub__field--nexo {
  top: 0;
  left: 0;
  width: 68%;
  height: 52%;
}

.hub__field--nexo img {
  object-position: 46% 69%;
}

.hub__field--infra {
  bottom: 0;
  left: 0;
  width: 46%;
  height: 48%;
}

.hub__field--infra img {
  object-position: 48% 45%;
}

.hub__field--cftv {
  top: 0;
  right: 0;
  width: 32%;
  height: 100%;
  color: var(--text);
  background: var(--surface);
}

.hub__field--cftv .product-cutout {
  position: absolute;
  top: 16%;
  right: 1%;
  bottom: 6%;
  width: 98%;
  height: 78%;
  object-fit: contain;
  object-position: center bottom;
}

[data-theme="dark"] .hub__field--cftv {
  color: var(--text);
  background: var(--surface);
}

.hub__shade {
  position: absolute;
  z-index: 1;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 10, 18, 0.78) 0%, rgba(5, 10, 18, 0.08) 48%, rgba(5, 10, 18, 0.8) 100%);
}

.hub__label {
  position: absolute;
  z-index: 3;
  left: clamp(1.5rem, 3vw, 3.4rem);
  display: grid;
  gap: 0.45rem;
  max-width: min(31rem, 78%);
}

.hub__label::before {
  content: "";
  position: absolute;
  top: 0.45rem;
  left: -1.25rem;
  width: 0.65rem;
  height: 0.65rem;
  background: var(--red);
}

.hub__label--top {
  top: clamp(1.9rem, 4vh, 3.5rem);
}

.hub__field--infra .hub__label--bottom {
  bottom: clamp(5.1rem, 9vh, 6.5rem);
}

.hub__label strong {
  font-size: clamp(1rem, 1.35vw, 1.5rem);
  font-weight: 600;
  line-height: 1.1;
}

.hub__label > span:not(.development-status) {
  color: color-mix(in srgb, currentColor 74%, transparent);
  font-family: var(--font-mono);
  font-size: clamp(0.64rem, 0.65vw, 0.8rem);
  line-height: 1.45;
}

.development-status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: clamp(0.62rem, 0.62vw, 0.76rem);
}

.development-status strong,
.resource-item--development > strong {
  display: inline-flex;
  width: max-content;
  padding: 0.28rem 0.46rem;
  border: 1px solid currentColor;
  color: var(--red-strong);
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  line-height: 1;
  text-transform: none;
  letter-spacing: 0.01em;
}

.hub__field--nexo .development-status strong {
  color: #fff;
  background: var(--red);
  border-color: var(--red);
}

.hub__explore {
  position: absolute;
  z-index: 3;
  left: clamp(1.5rem, 3vw, 3.4rem);
  bottom: clamp(1.35rem, 3vh, 2.2rem);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--font-mono);
  font-size: var(--small);
}

.hub__field--cftv .hub__explore {
  right: clamp(1.5rem, 3vw, 3.4rem);
  left: auto;
}

.hub__explore .icon {
  width: 2.2rem;
  color: var(--red);
  transition: transform 220ms ease;
}

.hub__field:hover .hub__explore .icon,
.hub__field:focus-visible .hub__explore .icon {
  transform: translateX(0.45rem);
}

.hub__message {
  position: absolute;
  z-index: 8;
  top: 30%;
  left: 40%;
  width: 29%;
  min-width: 21rem;
  min-height: 43%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(1.8rem, 3vw, 3.5rem);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hub__message h1 {
  margin: 0;
  font-size: clamp(1.42rem, 1.65vw, 2rem);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.hub__brand-logo {
  position: relative;
  display: block;
  width: min(232px, 100%);
  max-width: 100%;
  aspect-ratio: 232 / 76;
  height: auto;
  margin-bottom: clamp(1rem, 2.1vh, 1.6rem);
}

.hub__brand-logo > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: left center;
}

.hub__brand-logo--light::after {
  position: absolute;
  inset: 0;
  content: "";
  background: #000;
  clip-path: inset(0 0 0 33.62%);
  -webkit-mask: url("../brand/fujitec-logo.png") no-repeat 0 0 / 100% 100%;
  mask: url("../brand/fujitec-logo.png") no-repeat 0 0 / 100% 100%;
  pointer-events: none;
}

.hub__message p {
  max-width: 29ch;
  margin: clamp(1.1rem, 2vh, 1.8rem) 0 0;
  padding-top: 1.2rem;
  border-top: 1px solid var(--red);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: clamp(0.7rem, 0.75vw, 0.9rem);
  line-height: 1.6;
}

.hub__route,
.hub__junction {
  position: absolute;
  z-index: 9;
  background: var(--red);
  pointer-events: none;
}

.hub__route--horizontal {
  top: 30%;
  left: 40%;
  width: 28%;
  height: 1px;
}

.hub__route--vertical {
  top: 0;
  left: 68%;
  width: 1px;
  height: 100%;
}

.hub__junction {
  width: 0.7rem;
  height: 0.7rem;
}

.hub__junction--top {
  top: -0.35rem;
  left: calc(68% - 0.35rem);
}

.hub__junction--center {
  top: calc(73% - 0.35rem);
  left: calc(68% - 0.35rem);
  width: 1.2rem;
  height: 1.2rem;
}

.hub__junction--left {
  top: calc(52% - 0.32rem);
  left: calc(40% - 0.32rem);
}

/* Shared slide composition */
.slide {
  background: var(--bg);
}

.slide__inner {
  position: absolute;
  inset: 0 0 var(--footer-height);
  display: grid;
  grid-template-columns: minmax(21rem, 37%) 1fr;
  gap: clamp(1.5rem, 3vw, 4rem);
  padding: clamp(1.6rem, 4vh, 3.8rem) var(--gutter);
  overflow: hidden;
}

.slide__copy {
  position: relative;
  z-index: 3;
  align-self: center;
  max-width: 42rem;
}

.slide__copy h2 {
  max-width: 14ch;
  margin: 0;
  color: var(--text);
  font-size: var(--display-lg);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.slide__copy > p {
  max-width: 62ch;
  margin: clamp(1.2rem, 2.2vh, 2rem) 0 0;
  color: var(--muted);
  font-size: var(--body-lg);
  line-height: 1.55;
}

.slide__visual {
  position: relative;
  z-index: 1;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.route-action {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--red);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: var(--small);
  text-decoration: none;
}

.route-action .icon {
  width: 2.4rem;
  color: var(--red);
  transition: transform 200ms ease;
}

.route-action:hover .icon,
.route-action:focus-visible .icon {
  transform: translateX(0.45rem);
}

.visual-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* NEXO overview */
.slide--nexo-overview .slide__inner {
  grid-template-columns: minmax(19rem, 34%) 1fr;
}

.overview-visual {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  background: var(--surface-inverse);
  color: var(--text-inverse);
}

.overview-visual__map {
  position: relative;
  min-height: 0;
  margin: 0;
  overflow: hidden;
}

.overview-visual__map img {
  object-position: center 66%;
}

.map-scan {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 48%;
  width: 1px;
  background: var(--red);
  animation: map-scan 6.5s cubic-bezier(0.65, 0, 0.35, 1) infinite alternate;
}

@keyframes map-scan {
  from { transform: translateX(-22vw); }
  to { transform: translateX(22vw); }
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-strong);
}

.resource-item {
  min-height: 8.7rem;
  padding: clamp(0.8rem, 1.3vw, 1.35rem);
  border-right: 1px solid var(--line-strong);
}

.resource-item:last-child {
  border-right: 0;
}

.resource-item h3 {
  margin: 0;
  font-size: clamp(0.88rem, 0.9vw, 1.08rem);
  font-weight: 600;
}

.resource-item p {
  margin: 0.7rem 0 0;
  color: var(--muted-inverse);
  font-size: clamp(0.74rem, 0.72vw, 0.88rem);
  line-height: 1.45;
}

.resource-item--development {
  background: color-mix(in srgb, var(--red) 8%, transparent);
}

.resource-item--development > strong {
  margin-top: 1rem;
}

/* Video Analytics */
.slide--video-pair .slide__inner,
.slide--dual-map .slide__inner,
.slide--camera-family .slide__inner {
  grid-template-columns: 1fr;
  grid-template-rows: auto minmax(0, 1fr);
  gap: clamp(1.2rem, 2vh, 2rem);
}

.slide--video-pair .slide__copy,
.slide--dual-map .slide__copy,
.slide--camera-family .slide__copy {
  display: grid;
  grid-template-columns: minmax(20rem, 0.8fr) minmax(20rem, 1fr);
  align-items: end;
  gap: 2.5rem;
  max-width: none;
}

.slide--video-pair .slide__copy h2,
.slide--dual-map .slide__copy h2,
.slide--camera-family .slide__copy h2 {
  max-width: 18ch;
  font-size: clamp(2.1rem, 3.4vw, 4rem);
}

.slide--video-pair .slide__copy > p,
.slide--dual-map .slide__copy > p,
.slide--camera-family .slide__copy > p {
  margin: 0;
  justify-self: end;
}

.video-pair {
  height: 100%;
  display: grid;
  grid-template-columns: 0.84fr 1.16fr;
  gap: 1px;
  background: var(--line);
}

.video-panel {
  position: relative;
  min-height: 0;
  margin: 0;
  overflow: hidden;
  background: var(--surface-inverse);
}

.video-panel video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-panel figcaption {
  position: absolute;
  z-index: 2;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 1.4rem;
  padding: 1.05rem 1.25rem;
  background: rgba(5, 10, 18, 0.9);
  color: #fff;
}

.video-panel figcaption strong {
  color: var(--red-strong);
  font-family: var(--font-mono);
  font-size: var(--small);
}

.video-panel figcaption span {
  color: #d7dce2;
  font-size: var(--small);
  line-height: 1.4;
}

/* Zone map */
.slide--zone-map .slide__inner {
  display: block;
  padding: 0;
}

.slide--zone-map .slide__copy {
  position: absolute;
  z-index: 4;
  top: clamp(1.8rem, 5vh, 4.5rem);
  left: var(--gutter);
  width: min(38rem, 40vw);
  padding: clamp(1.6rem, 2.8vw, 3rem);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.slide--zone-map .slide__copy h2 {
  font-size: clamp(2rem, 3.5vw, 4.5rem);
}

.slide--zone-map .slide__visual {
  position: absolute;
  inset: 0;
}

.zone-map {
  position: absolute;
  inset: 0;
  margin: 0;
  background: var(--surface-inverse);
}

.zone-map img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.zone-map::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(3, 8, 15, 0.22), transparent 58%);
  pointer-events: none;
}

.zone-map__routes span {
  position: absolute;
  z-index: 2;
  width: clamp(1.1rem, 1.4vw, 1.6rem);
  height: clamp(1.1rem, 1.4vw, 1.6rem);
  border: 2px solid var(--red);
  animation: zone-pulse 2.8s cubic-bezier(0.16, 1, 0.3, 1) infinite;
}

.zone-map__routes span:nth-child(1) { top: 31%; left: 62%; }
.zone-map__routes span:nth-child(2) { top: 51%; left: 72%; animation-delay: 0.7s; }
.zone-map__routes span:nth-child(3) { top: 67%; left: 54%; animation-delay: 1.4s; }

@keyframes zone-pulse {
  0% { opacity: 0.55; transform: scale(0.72); }
  70%, 100% { opacity: 1; transform: scale(1.16); }
}

.zone-map figcaption {
  position: absolute;
  z-index: 3;
  right: var(--gutter);
  bottom: clamp(1.5rem, 4vh, 3.5rem);
  display: grid;
  gap: 1px;
}

.zone-map figcaption span {
  min-width: 13rem;
  padding: 0.8rem 1rem;
  background: rgba(5, 10, 18, 0.9);
  color: #fff;
  font-family: var(--font-mono);
  font-size: var(--small);
  transform: translateX(calc(var(--zone-index) * -1rem));
}

/* People map */
.slide--people-map .slide__inner {
  grid-template-columns: minmax(18rem, 31%) 1fr;
}

.people-map {
  height: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(13rem, 28%);
  background: var(--surface-inverse);
}

.people-map figure {
  position: relative;
  min-width: 0;
  margin: 0;
  overflow: hidden;
}

.people-map figure img {
  object-position: 46% 64%;
}

.location-pulse {
  position: absolute;
  width: 0.7rem;
  height: 0.7rem;
  background: var(--red);
  outline: 1px solid var(--red);
  outline-offset: 0.45rem;
  animation: zone-pulse 2.4s infinite;
}

.location-pulse--one { top: 56%; left: 48%; }
.location-pulse--two { top: 67%; left: 63%; animation-delay: 1.1s; }

.people-map__list {
  display: grid;
  grid-template-rows: repeat(4, 1fr);
  border-left: 1px solid var(--line-strong);
}

.people-map__list article {
  padding: clamp(0.8rem, 1.35vw, 1.4rem);
  border-bottom: 1px solid var(--line-strong);
  color: var(--text-inverse);
}

.people-map__list article:last-child {
  border-bottom: 0;
}

.people-map__list h3,
.people-map__list p {
  margin: 0;
}

.people-map__list h3 {
  color: var(--red-strong);
  font-size: 0.96rem;
}

.people-map__list p {
  margin-top: 0.45rem;
  color: var(--muted-inverse);
  font-size: clamp(0.72rem, 0.7vw, 0.86rem);
  line-height: 1.42;
}

/* Dual maps */
.dual-map {
  height: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
}

.dual-map figure {
  position: relative;
  min-height: 0;
  margin: 0;
  overflow: hidden;
  background: var(--surface-inverse);
}

.dual-map img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 800ms cubic-bezier(0.16, 1, 0.3, 1);
}

.dual-map figure:hover img {
  transform: scale(1.025);
}

.dual-map figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.4rem;
  padding: 1rem 1.25rem;
  background: rgba(5, 10, 18, 0.9);
  color: #fff;
}

.dual-map figcaption strong {
  color: var(--red-strong);
  font-family: var(--font-mono);
}

.dual-map figcaption span {
  color: #c8d0da;
  font-size: var(--small);
}

/* Badge system */
.slide--badge-system .slide__inner {
  grid-template-columns: minmax(18rem, 32%) 1fr;
}

.badge-system {
  position: relative;
  height: 100%;
  background: var(--surface-inverse);
  color: var(--text-inverse);
  overflow: hidden;
}

.badge-system__map {
  position: absolute;
  inset: 0 38% 0 0;
  margin: 0;
}

.badge-system__map img {
  opacity: 0.86;
  object-position: 58% center;
}

.badge-system__map::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 52%, var(--surface-inverse) 100%);
}

.badge-system__device {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 47%;
  transform: translate(-50%, -50%);
}

.badge-card {
  position: relative;
  z-index: 2;
  width: clamp(9rem, 12vw, 13rem);
  aspect-ratio: 0.69;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.15rem;
  background: var(--surface);
  color: var(--text);
  box-shadow: 0.7rem 1rem 2.8rem rgba(0, 0, 0, 0.36);
}

.badge-card img {
  width: 6.2rem;
}

.badge-card span {
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.badge-card i {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  width: 1rem;
  height: 1rem;
  background: var(--red);
}

.badge-signal {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 17rem;
  height: 17rem;
  border: 1px solid var(--red);
  transform: translate(-50%, -50%) rotate(45deg);
  animation: badge-signal 3.6s ease-out infinite;
}

.badge-signal--two {
  animation-delay: 1.8s;
}

@keyframes badge-signal {
  0% { opacity: 0.8; transform: translate(-50%, -50%) rotate(45deg) scale(0.38); }
  100% { opacity: 0; transform: translate(-50%, -50%) rotate(45deg) scale(1); }
}

.badge-system__points {
  position: absolute;
  z-index: 3;
  top: 0;
  right: 0;
  bottom: 0;
  width: 38%;
  display: grid;
  grid-template-rows: repeat(4, 1fr);
  border-left: 1px solid var(--line-strong);
}

.badge-system__points article {
  padding: clamp(0.85rem, 1.4vw, 1.5rem);
  border-bottom: 1px solid var(--line-strong);
}

.badge-system__points article:last-child {
  border-bottom: 0;
}

.badge-system__points h3,
.badge-system__points p {
  margin: 0;
}

.badge-system__points h3 {
  font-size: clamp(0.88rem, 0.9vw, 1.08rem);
}

.badge-system__points p {
  margin-top: 0.5rem;
  color: var(--muted-inverse);
  font-size: clamp(0.7rem, 0.68vw, 0.84rem);
  line-height: 1.4;
}

/* RFID */
.rfid-intro {
  height: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(11rem, 23%);
  background: var(--surface-2);
}

.rfid-intro figure {
  min-width: 0;
  margin: 0;
  padding: clamp(1rem, 2vw, 2rem);
}

.rfid-intro figure img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.rfid-intro ol {
  display: grid;
  grid-template-rows: repeat(5, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--surface-inverse);
  color: var(--text-inverse);
}

.rfid-intro li {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  align-items: center;
  padding: 0 1rem;
  border-bottom: 1px solid var(--line-strong);
}

.rfid-intro li:last-child {
  border-bottom: 0;
}

.rfid-intro li span {
  color: var(--red-strong);
  font-family: var(--font-mono);
  font-size: var(--small);
}

.rfid-intro li strong {
  font-size: clamp(0.82rem, 0.85vw, 1rem);
  font-weight: 500;
}

.slide--rfid-tabs .slide__inner {
  grid-template-columns: minmax(18rem, 31%) 1fr;
}

.rfid-demo {
  height: 100%;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  background: var(--surface-2);
}

.rfid-demo__tabs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-bottom: 1px solid var(--line);
}

.rfid-demo__tabs button {
  min-height: 4.5rem;
  padding: 0.65rem;
  border-right: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  font-size: clamp(0.7rem, 0.7vw, 0.84rem);
  text-align: left;
}

.rfid-demo__tabs button:last-child {
  border-right: 0;
}

.rfid-demo__tabs button span {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--red);
  font-family: var(--font-mono);
  font-size: 0.63rem;
}

.rfid-demo__tabs button[aria-selected="true"] {
  background: var(--surface-inverse);
  color: var(--text-inverse);
}

.rfid-demo__panels,
.rfid-demo__panels figure {
  min-height: 0;
  height: 100%;
}

.rfid-demo__panels figure {
  position: relative;
  margin: 0;
  padding: clamp(1rem, 2.3vw, 2.4rem);
}

.rfid-demo__panels img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.rfid-demo__panels figcaption {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  padding: 0.45rem 0.6rem;
  background: var(--red);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.66rem;
}

/* Correlation */
.slide--correlation .slide__inner {
  grid-template-columns: minmax(19rem, 34%) 1fr;
}

.correlation {
  position: relative;
  height: 100%;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 1rem;
  padding: 2.5rem 2rem 8rem;
  background: var(--surface-inverse);
  color: var(--text-inverse);
}

[data-theme="dark"] .correlation {
  color: var(--text);
}

.correlation__flow {
  position: relative;
  min-height: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: center;
}

.correlation__line {
  position: absolute;
  top: 50%;
  right: 8%;
  left: 8%;
  height: 2px;
  background: var(--red);
}

.correlation article {
  position: relative;
  z-index: 2;
  min-height: 10.5rem;
  margin: calc((var(--chain-index) % 2) * 10rem) 0 0;
  padding: 1.1rem;
  border-top: 2px solid var(--red);
  background: #101b29;
}

.correlation article:nth-of-type(even) {
  margin-top: -10rem;
}

.correlation article > span {
  color: var(--red-strong);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.correlation h3,
.correlation p {
  margin: 0;
}

.correlation h3 {
  margin-top: 0.7rem;
  font-size: clamp(0.9rem, 1vw, 1.15rem);
}

.correlation p {
  margin-top: 0.5rem;
  color: #c8d0da;
  font-size: clamp(0.7rem, 0.68vw, 0.82rem);
  line-height: 1.4;
}

.correlation__report {
  position: absolute;
  right: 2rem;
  bottom: 1rem;
  left: 2rem;
  z-index: 3;
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  min-height: 6.5rem;
  padding: 0.7rem 0.9rem;
  border-top: 2px solid var(--red);
  background: #101b29;
}

.correlation__report-preview {
  width: 4rem;
  height: 5.1rem;
  display: block;
  overflow: hidden;
  border: 1px solid #526274;
  background: #fff;
}

.correlation__report-preview img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: top center;
}

.correlation__report-copy {
  min-width: 0;
}

.correlation__report-copy > span {
  color: var(--red-strong);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.correlation__report-copy h3,
.correlation__report-copy p {
  margin: 0;
}

.correlation__report-copy h3 {
  margin-top: 0.35rem;
  font-size: clamp(0.9rem, 1vw, 1.1rem);
}

.correlation__report-copy p {
  margin-top: 0.3rem;
  color: #c8d0da;
  font-size: 0.72rem;
}

.correlation__report-link {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-decoration: none;
  white-space: nowrap;
}

.correlation__report-link:hover,
.correlation__report-link:focus-visible {
  color: var(--red-strong);
}

.correlation__report-link .icon {
  width: 1.7rem;
  color: var(--red);
}

/* CCTV */
.slide--camera-hero {
  background: var(--surface);
}

.slide--camera-hero .slide__inner {
  grid-template-columns: minmax(19rem, 39%) 1fr;
}

.camera-hero {
  position: relative;
  height: 100%;
  background: var(--surface-2);
  overflow: hidden;
}

.camera-hero figure {
  position: absolute;
  inset: 1rem 0 6.5rem 0;
  margin: 0;
}

.camera-hero figure img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center bottom;
}

.camera-hero__spec {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1rem;
  min-height: 6.5rem;
  padding: 1rem 1.4rem;
  background: var(--surface-inverse);
  color: var(--text-inverse);
}

.camera-hero__spec p {
  max-width: 48ch;
  margin: 0;
  color: var(--muted-inverse);
  font-size: var(--small);
  line-height: 1.45;
}

.camera-hero__spec div {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.45rem;
}

.camera-hero__spec span,
.cabling__tags span {
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--red);
  color: var(--text-inverse);
  font-family: var(--font-mono);
  font-size: 0.66rem;
}

.camera-family {
  height: 100%;
  display: grid;
  grid-template-columns: 1.18fr 0.94fr 0.88fr;
  gap: 1px;
  background: var(--line);
}

.camera-family article {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  background: var(--surface);
}

.camera-family figure {
  position: relative;
  min-height: 0;
  margin: 0;
  padding: clamp(0.8rem, 1.8vw, 2rem);
  background: var(--surface-2);
  overflow: hidden;
}

.camera-family figure img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}

.camera-family article:hover figure img {
  transform: scale(1.04);
}

.camera-family article > div {
  min-height: 8.2rem;
  padding: 1rem 1.2rem;
}

.camera-family h3,
.camera-family p {
  margin: 0;
}

.camera-family h3 {
  color: var(--red);
  font-size: clamp(1rem, 1.25vw, 1.45rem);
}

.camera-family p {
  margin-top: 0.55rem;
  color: var(--muted);
  font-size: var(--small);
  line-height: 1.42;
}

.slide--accessories .slide__inner {
  grid-template-columns: minmax(19rem, 32%) 1fr;
}

.accessories {
  height: 100%;
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 1px;
  background: var(--line);
}

.accessories article {
  min-width: 0;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  background: var(--surface-2);
}

.accessories figure {
  min-height: 0;
  margin: 0;
  padding: clamp(1.2rem, 2.5vw, 3rem);
}

.accessories img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.accessories article > div {
  min-height: 10rem;
  padding: 1.1rem 1.25rem;
  background: var(--surface-inverse);
  color: var(--text-inverse);
}

.accessories h3,
.accessories p {
  margin: 0;
}

.accessories h3 {
  color: var(--red-strong);
  font-size: clamp(1.1rem, 1.4vw, 1.7rem);
}

.accessories p {
  margin-top: 0.65rem;
  color: var(--muted-inverse);
  font-size: var(--small);
  line-height: 1.5;
}

/* Infrastructure */
.slide--infra-overview .slide__inner {
  grid-template-columns: minmax(18rem, 34%) 1fr;
}

.infra-overview {
  position: relative;
  height: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(15rem, 34%);
  background: var(--surface-inverse);
  overflow: hidden;
}

.infra-overview figure {
  min-width: 0;
  margin: 0;
}

.infra-overview figure img {
  object-position: 45% center;
}

.infra-overview > div {
  display: grid;
  grid-template-rows: repeat(3, 1fr);
  border-left: 1px solid var(--line-strong);
}

.infra-overview article {
  padding: clamp(1rem, 1.7vw, 1.8rem);
  border-bottom: 1px solid var(--line-strong);
  color: var(--text-inverse);
}

.infra-overview article:last-child {
  border-bottom: 0;
}

.infra-overview h3,
.infra-overview p {
  margin: 0;
}

.infra-overview h3 {
  color: var(--red-strong);
  font-size: clamp(0.94rem, 1.05vw, 1.3rem);
}

.infra-overview p {
  margin-top: 0.6rem;
  color: var(--muted-inverse);
  font-size: var(--small);
  line-height: 1.45;
}

.slide--cabling .slide__inner {
  grid-template-columns: minmax(19rem, 35%) 1fr;
}

.cabling {
  height: 100%;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  background: var(--surface-inverse);
}

.cabling figure {
  min-height: 0;
  margin: 0;
  overflow: hidden;
}

.cabling figure img {
  object-position: center 45%;
}

.cabling__content {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  color: var(--text-inverse);
}

.cabling__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.cabling__content ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.65rem 1.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted-inverse);
  font-size: var(--small);
}

.cabling__content li::before {
  content: "";
  display: inline-block;
  width: 0.45rem;
  height: 0.45rem;
  margin-right: 0.5rem;
  background: var(--red);
}

.slide--certification .slide__inner {
  grid-template-columns: minmax(18rem, 31%) 1fr;
}

.certification {
  height: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(16rem, 0.8fr);
  background: var(--surface-2);
}

.certification figure {
  min-width: 0;
  margin: 0;
  overflow: hidden;
}

.certification figure img {
  object-position: center;
}

.certification ol {
  display: grid;
  grid-template-rows: repeat(4, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--surface);
}

.certification li {
  display: grid;
  grid-template-columns: 2.6rem 1fr;
  align-items: center;
  gap: 0.7rem;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--line);
}

.certification li:last-child {
  border-bottom: 0;
}

.certification li > span {
  color: var(--red);
  font-family: var(--font-mono);
  font-size: var(--small);
}

.certification h3,
.certification p {
  margin: 0;
}

.certification h3 {
  font-size: clamp(0.9rem, 1vw, 1.15rem);
}

.certification p {
  margin-top: 0.4rem;
  color: var(--muted);
  font-size: clamp(0.7rem, 0.68vw, 0.82rem);
  line-height: 1.4;
}

.slide--fiber .slide__inner {
  grid-template-columns: minmax(20rem, 38%) 1fr;
}

.fiber {
  position: relative;
  height: 100%;
  overflow: hidden;
  background: var(--surface-inverse);
}

.fiber figure {
  position: absolute;
  inset: 0;
  margin: 0;
}

.fiber figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5, 10, 18, 0.12), rgba(5, 10, 18, 0.78));
}

.fiber figure img {
  object-position: 35% center;
}

.fiber__route {
  position: absolute;
  z-index: 2;
  top: 13%;
  right: 23%;
  bottom: 13%;
  width: 1px;
  background: var(--red);
}

.fiber ol {
  position: absolute;
  z-index: 3;
  top: 10%;
  right: 4%;
  bottom: 10%;
  width: 42%;
  display: grid;
  grid-template-rows: repeat(5, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
}

.fiber li {
  position: relative;
  display: grid;
  grid-template-columns: 2.7rem 1fr;
  align-items: center;
  color: #fff;
  font-weight: 500;
}

.fiber li::before {
  content: "";
  position: absolute;
  left: -1.55rem;
  width: 0.72rem;
  height: 0.72rem;
  background: var(--red);
}

.fiber li span {
  color: var(--red-strong);
  font-family: var(--font-mono);
  font-size: var(--small);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}