.knx-page {
  background:
    linear-gradient(180deg, #f8fafc 0%, var(--page) 100%);
}

.demo-header {
  position: sticky;
  z-index: 10;
  top: 0;
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 64px);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 12px 34px rgba(7, 23, 47, 0.08);
  backdrop-filter: blur(14px);
}

.demo-header-title {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 8px 14px;
  border: 1px solid rgba(215, 38, 61, 0.24);
  border-radius: 999px;
  background:
    linear-gradient(135deg, rgba(7, 23, 47, 0.94), rgba(16, 52, 102, 0.9));
  color: var(--white);
  font-size: clamp(0.78rem, 1.3vw, 0.98rem);
  font-weight: 900;
  letter-spacing: 0;
  white-space: nowrap;
  box-shadow: 0 12px 26px rgba(7, 23, 47, 0.14);
}

.demo-nav {
  display: flex;
  justify-content: center;
  gap: 22px;
  color: var(--blue-950);
  font-size: 0.88rem;
  font-weight: 800;
}

.demo-hero {
  display: grid;
  grid-template-columns: minmax(300px, 1fr) minmax(280px, 430px);
  gap: clamp(26px, 6vw, 80px);
  align-items: end;
  padding: clamp(74px, 9vw, 120px) clamp(18px, 5vw, 72px) 42px;
}

.demo-hero h1,
.how-knx h2,
.demo-cta h2 {
  margin: 0;
  color: var(--blue-950);
  font-size: clamp(2.4rem, 5vw, 5.4rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.demo-hero p:not(.eyebrow) {
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  line-height: 1.75;
}

.demo-hero-panel {
  min-height: 220px;
  display: grid;
  align-content: end;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(7, 23, 47, 0.9), rgba(21, 81, 143, 0.86)),
    radial-gradient(circle at 84% 18%, rgba(243, 123, 34, 0.45), transparent 28%);
  color: var(--white);
  box-shadow: var(--shadow);
}

.demo-hero-panel img {
  width: 100%;
  height: 150px;
  margin-bottom: 18px;
  border-radius: 8px;
  object-fit: cover;
  object-position: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.22);
}

.demo-hero-panel span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.demo-hero-panel strong {
  margin-top: 10px;
  font-size: clamp(1.45rem, 2.6vw, 2.1rem);
  line-height: 1.08;
}

.floor-demo {
  display: grid;
  grid-template-columns: minmax(360px, 1fr) minmax(300px, 390px);
  gap: 24px;
  padding: 22px clamp(18px, 5vw, 72px) clamp(74px, 9vw, 118px);
}

.floor-shell,
.device-panel,
.how-grid article,
.scenario-grid article,
.demo-cta {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 18px 46px rgba(7, 23, 47, 0.08);
}

.floor-shell {
  padding: clamp(14px, 2vw, 24px);
}

.section-photo,
.showcase-photo {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(16, 52, 102, 0.14);
  border-radius: 8px;
  background: var(--soft);
  box-shadow: 0 14px 30px rgba(7, 23, 47, 0.08);
}

.section-photo img,
.showcase-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.floor-photo {
  height: clamp(180px, 22vw, 260px);
  margin-bottom: 18px;
}

.floor-photo img {
  object-position: center;
}

.floor-plan {
  position: relative;
  min-height: 780px;
  overflow: hidden;
  border: 2px solid var(--blue-900);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(16, 52, 102, 0.06) 1px, transparent 1px),
    linear-gradient(0deg, rgba(16, 52, 102, 0.06) 1px, transparent 1px),
    #f8fafc;
  background-size: 28px 28px;
}

.room {
  position: absolute;
  display: grid;
  place-items: start;
  padding: 16px;
  border: 2px solid rgba(10, 33, 71, 0.42);
  background: rgba(255, 255, 255, 0.72);
  color: var(--blue-950);
  font-weight: 800;
}

.living {
  inset: 7% 41% 49% 4%;
}

.bedroom {
  inset: 7% 4% 56% 62%;
}

.kitchen {
  inset: 56% 58% 5% 4%;
}

.bathroom {
  inset: 48% 4% 29% 62%;
}

.outdoor {
  inset: 78% 4% 5% 43%;
  background: rgba(234, 241, 251, 0.72);
}

.plan-detail {
  position: absolute;
  z-index: 1;
  pointer-events: none;
}

.window {
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, #8fc7ff, #ffffff, #8fc7ff);
  box-shadow: 0 0 0 3px rgba(21, 81, 143, 0.12);
}

.window-living { left: 10%; top: 7%; width: 24%; }
.window-bedroom { right: 9%; top: 7%; width: 22%; }
.window-kitchen { left: 8%; bottom: 5%; width: 22%; }
.window-bath {
  right: 4%;
  top: 55%;
  width: 8px;
  height: 18%;
}

.door {
  width: 44px;
  height: 44px;
  border: 3px solid rgba(215, 38, 61, 0.72);
  border-left: 0;
  border-bottom: 0;
  border-radius: 0 42px 0 0;
}

.door-entry {
  left: 43%;
  bottom: 5%;
  transform: rotate(-90deg);
}

.door-bedroom {
  right: 36%;
  top: 38%;
  transform: rotate(180deg);
}

.door-bath {
  right: 34%;
  top: 53%;
  transform: rotate(180deg);
}

.furniture {
  border: 2px solid rgba(16, 52, 102, 0.34);
  background: rgba(255, 255, 255, 0.56);
  box-shadow: inset 0 0 0 5px rgba(21, 81, 143, 0.05);
}

.sofa {
  left: 9%;
  top: 28%;
  width: 112px;
  height: 42px;
  border-radius: 14px 14px 8px 8px;
}

.sofa::before,
.sofa::after {
  content: "";
  position: absolute;
  top: -8px;
  width: 38px;
  height: 14px;
  border-radius: 10px;
  background: rgba(21, 81, 143, 0.16);
}

.sofa::before { left: 10px; }
.sofa::after { right: 10px; }

.table {
  left: 29%;
  top: 31%;
  width: 54px;
  height: 54px;
  border-radius: 50%;
}

.bed {
  right: 9%;
  top: 21%;
  width: 108px;
  height: 64px;
  border-radius: 8px;
}

.bed::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 8px;
  width: 34px;
  height: 20px;
  border-radius: 5px;
  background: rgba(215, 38, 61, 0.12);
}

.kitchen-counter {
  left: 7%;
  bottom: 15%;
  width: 150px;
  height: 36px;
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(21, 81, 143, 0.12) 1px, transparent 1px),
    rgba(255, 255, 255, 0.62);
  background-size: 30px 100%;
}

.movement {
  height: 4px;
  border-radius: 999px;
  background: repeating-linear-gradient(90deg, rgba(215, 38, 61, 0.78) 0 12px, transparent 12px 22px);
  opacity: 0.7;
}

.path-entry {
  left: 43%;
  bottom: 17%;
  width: 20%;
  transform: rotate(-28deg);
}

.path-living {
  left: 32%;
  top: 49%;
  width: 18%;
  transform: rotate(-10deg);
}

.path-bedroom {
  left: 52%;
  top: 36%;
  width: 18%;
  transform: rotate(-26deg);
}

.bus-line,
.bus-dot {
  position: absolute;
  z-index: 1;
  pointer-events: none;
}

.bus-line {
  border-radius: 999px;
  background:
    linear-gradient(90deg, rgba(21, 81, 143, 0.1), rgba(21, 81, 143, 0.88), rgba(215, 38, 61, 0.82));
  box-shadow: 0 0 0 4px rgba(21, 81, 143, 0.06);
  opacity: 0.86;
  animation: dataFlow 2.8s linear infinite;
  background-size: 220% 100%;
}

.bus-dot {
  width: 12px;
  height: 12px;
  border: 3px solid var(--white);
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 6px rgba(215, 38, 61, 0.14);
}

.bus-main-vertical {
  left: calc(50% - 2px);
  top: 22%;
  width: 4px;
  height: 58%;
  background:
    linear-gradient(180deg, rgba(21, 81, 143, 0.1), rgba(21, 81, 143, 0.88), rgba(215, 38, 61, 0.82));
}

.bus-main-horizontal {
  left: 13%;
  top: 47%;
  width: 74%;
  height: 4px;
}

.bus-left-top {
  left: 18%;
  top: 25%;
  width: 32%;
  height: 4px;
  transform: rotate(18deg);
}

.bus-left-bottom {
  left: 13%;
  top: 66%;
  width: 38%;
  height: 4px;
  transform: rotate(-16deg);
}

.bus-right-top {
  left: 50%;
  top: 29%;
  width: 34%;
  height: 4px;
  transform: rotate(-17deg);
}

.bus-right-bottom {
  left: 50%;
  top: 60%;
  width: 32%;
  height: 4px;
  transform: rotate(12deg);
}

.bus-outdoor {
  left: 50%;
  top: 79%;
  width: 26%;
  height: 4px;
  transform: rotate(12deg);
}

.bus-kitchen {
  left: 20%;
  top: 73%;
  width: 31%;
  height: 4px;
  transform: rotate(20deg);
}

.bus-dot-main { left: calc(50% - 6px); top: calc(47% - 6px); }
.bus-dot-left { left: 18%; top: calc(47% - 6px); }
.bus-dot-right { right: 17%; top: calc(47% - 6px); }

.device {
  position: absolute;
  z-index: 3;
  display: flex;
  width: 66px;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  border: 2px solid var(--white);
  border-radius: var(--radius);
  background: var(--blue-900);
  color: var(--white);
  cursor: pointer;
  font-size: 0.62rem;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(7, 23, 47, 0.22);
  transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.device::before {
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  font-size: 1.15rem;
  line-height: 1;
}

.touch::before { content: "▣"; }
.keypad::before { content: "▦"; }
.lighting::before { content: "◉"; color: #ffd166; }
.curtain::before { content: "▤"; }
.ac::before { content: "❄"; }
.motion::before { content: "◌"; }
.dali::before { content: "D"; color: #ffd166; }

.device:hover,
.device:focus,
.device.is-active {
  background: var(--orange);
  outline: none;
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 16px 34px rgba(215, 38, 61, 0.28);
}

.touch { left: 7%; top: 36%; }
.keypad { left: 42%; top: 42%; }
.keypad-bedroom { left: 86%; top: 39%; }
.keypad-entry { left: 56%; top: 73%; }
.touch-kitchen { left: 34%; top: 61%; }
.lighting { left: 27%; top: 23%; }
.curtain { left: 8%; top: 53%; }
.ac { left: 82%; top: 20%; }
.motion { left: 84%; top: 55%; }
.dali { left: 23%; top: 83%; }

.smart-panel {
  left: 50%;
  top: 14%;
  width: 116px;
  min-height: 118px;
  padding: 10px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--blue-950), var(--blue-700));
  transform: translate(-50%, -50%);
  animation: panelPulse 2.8s ease-in-out infinite;
}

.smart-panel::before {
  content: "⚡";
  width: 26px;
  height: 26px;
  color: var(--orange);
}

.smart-panel:hover,
.smart-panel:focus,
.smart-panel.is-active {
  transform: translate(-50%, calc(-50% - 4px)) scale(1.03);
}

.smart-panel strong {
  font-size: 1.04rem;
  letter-spacing: 0;
}

.smart-panel small {
  display: block;
  width: 100%;
  padding: 4px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.12);
  font-size: 0.58rem;
  line-height: 1;
}

.knx-wire {
  position: absolute;
  z-index: 2;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(21, 81, 143, 0.15), var(--blue-700), var(--orange));
  opacity: 0.72;
  transform-origin: left center;
  animation: dataFlow 2.4s linear infinite;
  background-size: 200% 100%;
}

.wire-touch-panel {
  left: 14%;
  top: 40%;
  width: 37%;
  transform: rotate(-5deg);
}

.wire-panel-lighting {
  left: 39%;
  top: 24%;
  width: 13%;
  transform: rotate(-42deg);
}

.wire-panel-dali {
  left: 27%;
  top: 81%;
  width: 28%;
  transform: rotate(-38deg);
}

.wire-panel-outdoor {
  left: 52%;
  top: 79%;
  width: 24%;
  transform: rotate(14deg);
}

.wire-panel-keypad {
  left: 48%;
  top: 45%;
  width: 9%;
  transform: rotate(-82deg);
}

.wire-panel-ac {
  left: 53%;
  top: 25%;
  width: 28%;
  transform: rotate(-10deg);
}

.wire-panel-motion {
  left: 53%;
  top: 53%;
  width: 30%;
  transform: rotate(7deg);
}

.wire-panel-curtain {
  left: 13%;
  top: 55%;
  width: 38%;
  transform: rotate(-8deg);
}

.light-point {
  position: absolute;
  z-index: 3;
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 2px solid var(--white);
  border-radius: 50%;
  background: #ffd166;
  cursor: pointer;
  box-shadow: 0 0 0 7px rgba(255, 209, 102, 0.18), 0 10px 22px rgba(7, 23, 47, 0.16);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.light-point.onoff {
  animation: onOffLight 2.2s steps(2, jump-none) infinite;
}

.light-point.dali-glow {
  animation: daliGlow 2.8s ease-in-out infinite;
}

.light-point span,
.linear-point span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue-950);
}

.light-point:hover,
.light-point:focus,
.light-point.is-active,
.linear-point:hover,
.linear-point:focus,
.linear-point.is-active {
  outline: none;
  transform: scale(1.15);
  box-shadow: 0 0 0 10px rgba(215, 38, 61, 0.16), 0 14px 26px rgba(7, 23, 47, 0.2);
}

.lp-living { left: 19%; top: 19%; }
.lp-kitchen { left: 17%; top: 66%; }
.lp-bedroom { left: 72%; top: 17%; }
.lp-dali-living { left: 30%; top: 38%; }
.lp-dali-dining { left: 25%; top: 76%; }
.lp-outdoor { left: 65%; top: 86%; }
.lp-entry { left: 47%; top: 86%; }
.lp-bath { left: 75%; top: 63%; }
.lp-hall { left: 50%; top: 52%; }

.linear-point {
  position: absolute;
  z-index: 3;
  display: grid;
  width: 104px;
  height: 18px;
  place-items: center;
  border: 2px solid var(--white);
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(255, 209, 102, 0.42), #ffd166, rgba(255, 209, 102, 0.42));
  cursor: pointer;
  box-shadow: 0 0 0 6px rgba(255, 209, 102, 0.14), 0 10px 22px rgba(7, 23, 47, 0.16);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.linear-point.onoff {
  animation: onOffLight 2.2s steps(2, jump-none) infinite;
}

.linear-point.dali-glow {
  animation: daliGlow 2.8s ease-in-out infinite;
}

.linear-point span {
  width: 78px;
  height: 4px;
  border-radius: 999px;
  background: rgba(7, 23, 47, 0.52);
}

.linear-living { left: 17%; top: 43%; }
.linear-kitchen { left: 12%; top: 73%; }
.linear-bedroom { right: 13%; top: 35%; }

@keyframes dataFlow {
  from { background-position: 0 0; }
  to { background-position: 200% 0; }
}

@keyframes panelPulse {
  0%, 100% { box-shadow: 0 10px 24px rgba(7, 23, 47, 0.22), 0 0 0 0 rgba(21, 81, 143, 0.18); }
  50% { box-shadow: 0 16px 34px rgba(7, 23, 47, 0.3), 0 0 0 12px rgba(21, 81, 143, 0.08); }
}

@keyframes daliGlow {
  0%, 100% { opacity: 0.6; box-shadow: 0 0 0 5px rgba(255, 209, 102, 0.12), 0 0 18px rgba(255, 209, 102, 0.35); }
  50% { opacity: 1; box-shadow: 0 0 0 12px rgba(255, 209, 102, 0.2), 0 0 34px rgba(255, 209, 102, 0.82); }
}

@keyframes onOffLight {
  0%, 45% { opacity: 0.52; filter: grayscale(0.45); }
  55%, 100% { opacity: 1; filter: grayscale(0); }
}

.device-panel {
  position: sticky;
  top: 98px;
  min-height: 420px;
  align-self: start;
  padding: 30px;
  overflow: hidden;
  border-color: rgba(255, 255, 255, 0.14);
  background:
    radial-gradient(circle at 86% 12%, rgba(215, 38, 61, 0.28), transparent 28%),
    linear-gradient(135deg, #06152c 0%, #0a2147 52%, #103466 100%);
  color: var(--white);
  box-shadow: 0 26px 70px rgba(7, 23, 47, 0.24);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.device-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.82), transparent);
}

.device-panel::after {
  content: "";
  position: absolute;
  right: -44px;
  bottom: -44px;
  width: 150px;
  height: 150px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
}

html[dir="rtl"] .device-panel::after {
  right: auto;
  left: -44px;
}

.device-panel:hover {
  transform: translateY(-4px);
  box-shadow: 0 32px 82px rgba(7, 23, 47, 0.3);
}

.device-panel.is-updating {
  animation: panelSelectFlash 520ms ease;
}

.device-panel > * {
  position: relative;
  z-index: 1;
}

.device-panel .eyebrow {
  color: rgba(255, 255, 255, 0.7);
}

.device-panel h2 {
  margin: 0;
  color: var(--white);
  font-size: clamp(1.8rem, 3vw, 2.65rem);
  line-height: 1;
}

.device-panel h3 {
  margin: 12px 0 18px;
  color: #8fc7ff;
  font-size: 1.3rem;
}

.device-panel p {
  color: rgba(255, 255, 255, 0.74);
  line-height: 1.7;
}

.example-box {
  margin-top: 26px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-left: 4px solid var(--orange);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: background 180ms ease, transform 180ms ease;
}

.device-panel:hover .example-box {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

html[dir="rtl"] .example-box {
  border-right: 4px solid var(--orange);
  border-left: none;
}

.example-box span,
.example-box strong {
  display: block;
}

.example-box span {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.82rem;
  font-weight: 800;
}

.example-box strong {
  margin-top: 8px;
  color: var(--white);
  line-height: 1.5;
}

@keyframes panelSelectFlash {
  0% { box-shadow: 0 26px 70px rgba(7, 23, 47, 0.24), 0 0 0 0 rgba(215, 38, 61, 0); }
  45% { box-shadow: 0 32px 82px rgba(7, 23, 47, 0.34), 0 0 0 10px rgba(215, 38, 61, 0.16); }
  100% { box-shadow: 0 26px 70px rgba(7, 23, 47, 0.24), 0 0 0 0 rgba(215, 38, 61, 0); }
}

.how-knx {
  display: grid;
  grid-template-columns: minmax(280px, 0.7fr) minmax(300px, 1fr);
  gap: clamp(28px, 6vw, 80px);
  padding: 0 clamp(18px, 5vw, 72px) clamp(72px, 9vw, 118px);
}

.room-showcases {
  display: grid;
  grid-template-columns: repeat(2, minmax(320px, 1fr));
  gap: 24px;
  padding: 0 clamp(18px, 5vw, 72px) clamp(72px, 9vw, 118px);
}

.showcase-card {
  display: grid;
  gap: 22px;
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(234, 241, 251, 0.68));
  box-shadow: 0 18px 46px rgba(7, 23, 47, 0.08);
}

.showcase-photo {
  height: 220px;
}

.room-suite .showcase-photo img {
  object-position: 42% 50%;
}

.kitchen-suite .showcase-photo img {
  object-position: 58% 50%;
}

.showcase-copy h2 {
  margin: 0;
  color: var(--blue-950);
  font-size: clamp(1.8rem, 3vw, 3.1rem);
  line-height: 1.02;
}

.showcase-copy p:not(.eyebrow),
.showcase-points p {
  color: var(--muted);
  line-height: 1.7;
}

.room-mini-plan,
.kitchen-mini-plan {
  position: relative;
  min-height: 330px;
  overflow: hidden;
  border: 2px solid rgba(10, 33, 71, 0.34);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(16, 52, 102, 0.06) 1px, transparent 1px),
    linear-gradient(0deg, rgba(16, 52, 102, 0.06) 1px, transparent 1px),
    rgba(248, 250, 252, 0.96);
  background-size: 24px 24px;
}

.room-mini-plan > *,
.kitchen-mini-plan > * {
  position: absolute;
}

.mini-window {
  left: 12%;
  top: 8%;
  width: 46%;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, #8fc7ff, #ffffff, #8fc7ff);
}

.mini-curtain {
  left: 11%;
  top: 12%;
  width: 48%;
  height: 18px;
  border-radius: 0 0 12px 12px;
  background: repeating-linear-gradient(90deg, rgba(215, 38, 61, 0.18) 0 9px, rgba(21, 81, 143, 0.13) 9px 18px);
}

.mini-screen,
.mini-counter {
  display: grid;
  place-items: center;
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--blue-950), var(--blue-700));
}

.mini-screen {
  left: 12%;
  top: 22%;
  width: 130px;
  height: 58px;
  border-radius: 6px;
}

.mini-sofa {
  left: 18%;
  bottom: 18%;
  width: 170px;
  height: 52px;
  border: 2px solid rgba(16, 52, 102, 0.28);
  border-radius: 18px 18px 8px 8px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: inset 0 0 0 8px rgba(21, 81, 143, 0.06);
}

.mini-ac,
.mini-keypad,
.mini-phone,
.gas-sensor,
.gas-valve,
.extractor,
.alert-phone {
  display: grid;
  place-items: center;
  min-width: 66px;
  min-height: 42px;
  padding: 6px;
  border: 2px solid var(--white);
  border-radius: 8px;
  color: var(--white);
  font-size: 0.68rem;
  font-weight: 800;
  text-align: center;
  background: var(--blue-900);
  box-shadow: 0 12px 24px rgba(7, 23, 47, 0.18);
}

.mini-ac { right: 10%; top: 15%; }
.mini-keypad { right: 13%; top: 46%; background: var(--blue-700); }
.mini-phone,
.alert-phone { right: 10%; bottom: 12%; background: var(--orange); }

.mini-light,
.safe-light {
  width: 28px;
  height: 28px;
  border: 2px solid var(--white);
  border-radius: 50%;
  background: #ffd166;
  box-shadow: 0 0 0 8px rgba(255, 209, 102, 0.14), 0 0 26px rgba(255, 209, 102, 0.58);
  animation: daliGlow 2.8s ease-in-out infinite;
}

.light-a { left: 26%; top: 44%; }
.light-b { left: 48%; top: 34%; }
.light-c { left: 48%; bottom: 22%; }

.mini-bus,
.safe-bus {
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(21, 81, 143, 0.16), var(--blue-700), var(--orange));
  background-size: 220% 100%;
  animation: dataFlow 2.8s linear infinite;
}

.bus-a { left: 42%; top: 47%; width: 32%; transform: rotate(-16deg); }
.bus-b { left: 41%; top: 57%; width: 34%; transform: rotate(9deg); }
.bus-c { right: 16%; bottom: 27%; width: 30%; transform: rotate(36deg); }

.mini-counter {
  left: 10%;
  top: 18%;
  width: 168px;
  height: 78px;
  border-radius: 8px;
  background:
    radial-gradient(circle at 28% 50%, rgba(255, 209, 102, 0.95) 0 10px, transparent 11px),
    radial-gradient(circle at 54% 50%, rgba(255, 209, 102, 0.75) 0 10px, transparent 11px),
    linear-gradient(135deg, var(--blue-950), var(--blue-700));
}

.gas-line {
  left: 19%;
  top: 45%;
  width: 58%;
  height: 6px;
  border-radius: 999px;
  background: repeating-linear-gradient(90deg, rgba(215, 38, 61, 0.9) 0 18px, rgba(21, 81, 143, 0.85) 18px 36px);
}

.gas-sensor { right: 13%; top: 18%; background: var(--orange); }
.gas-valve { right: 18%; top: 42%; background: var(--blue-950); }
.extractor { left: 14%; top: 8%; background: var(--blue-700); }
.safe-a { left: 22%; bottom: 20%; }
.safe-b { left: 52%; bottom: 20%; }
.safe-bus-a { left: 34%; top: 31%; width: 44%; transform: rotate(8deg); }
.safe-bus-b { right: 21%; top: 51%; width: 26%; transform: rotate(90deg); }
.safe-bus-c { right: 14%; bottom: 26%; width: 32%; transform: rotate(-28deg); }

.showcase-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.showcase-points div {
  padding: 16px;
  border: 1px solid rgba(16, 52, 102, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

.showcase-points strong {
  color: var(--blue-950);
}

.showcase-points p {
  margin: 8px 0 0;
  font-size: 0.9rem;
}

.device-photo-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.54fr) minmax(320px, 1fr);
  gap: clamp(24px, 5vw, 60px);
  padding: 0 clamp(18px, 5vw, 72px) clamp(72px, 9vw, 118px);
}

.device-photo-heading h2 {
  margin: 0;
  color: var(--blue-950);
  font-size: clamp(1.9rem, 3.6vw, 3.7rem);
  line-height: 1.02;
}

.device-photo-heading p:not(.eyebrow) {
  color: var(--muted);
  line-height: 1.75;
}

.device-photo-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(110px, 1fr));
  gap: 12px;
}

.device-photo-grid article {
  overflow: hidden;
  border: 1px solid rgba(16, 52, 102, 0.13);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 14px 30px rgba(7, 23, 47, 0.08);
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.device-photo-grid article:hover,
.device-photo-grid article:focus {
  border-color: rgba(215, 38, 61, 0.42);
  outline: none;
  transform: translateY(-4px);
  box-shadow: 0 20px 38px rgba(7, 23, 47, 0.13);
}

.device-photo-grid img {
  display: block;
  width: 100%;
  height: 112px;
  object-fit: cover;
  transition: transform 180ms ease, filter 180ms ease;
}

.device-photo-grid article:hover img {
  transform: scale(1.05);
  filter: saturate(1.1) contrast(1.03);
}

.device-photo-grid strong {
  display: block;
  min-height: 58px;
  padding: 12px;
  color: var(--blue-950);
  font-size: 0.78rem;
  line-height: 1.28;
}

.device-photo-grid article:nth-child(1) img { object-position: 12% 44%; }
.device-photo-grid article:nth-child(2) img { object-position: 24% 48%; }
.device-photo-grid article:nth-child(3) img { object-position: 38% 38%; }
.device-photo-grid article:nth-child(4) img { object-position: 50% 48%; }
.device-photo-grid article:nth-child(5) img { object-position: 62% 44%; }
.device-photo-grid article:nth-child(6) img { object-position: 74% 44%; }
.device-photo-grid article:nth-child(7) img { object-position: 34% 68%; }
.device-photo-grid article:nth-child(8) img { object-position: 86% 56%; }
.device-photo-grid article:nth-child(9) img { object-position: 58% 72%; }
.device-photo-grid article:nth-child(10) img { object-position: 72% 72%; }

.gallery-modal {
  position: fixed;
  z-index: 80;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 22px;
}

.gallery-modal.is-open {
  display: flex;
}

.gallery-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(7, 23, 47, 0.72);
  backdrop-filter: blur(8px);
}

.gallery-dialog {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(300px, 1.1fr) minmax(280px, 0.8fr);
  width: min(1040px, 96vw);
  max-height: min(760px, 92vh);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.36);
}

.gallery-dialog figure {
  min-height: 430px;
  margin: 0;
  background: var(--blue-950);
}

.gallery-dialog img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-detail {
  display: grid;
  align-content: center;
  padding: clamp(24px, 4vw, 42px);
}

.gallery-detail h2 {
  margin: 0;
  color: var(--blue-950);
  font-size: clamp(1.8rem, 3vw, 3.2rem);
  line-height: 1;
}

.gallery-detail p:not(.eyebrow) {
  color: var(--muted);
  line-height: 1.75;
}

.gallery-use {
  margin-top: 20px;
  padding: 18px;
  border-left: 4px solid var(--orange);
  border-radius: 8px;
  background: var(--soft);
}

html[dir="rtl"] .gallery-use {
  border-right: 4px solid var(--orange);
  border-left: none;
}

.gallery-use span,
.gallery-use strong {
  display: block;
}

.gallery-use span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.gallery-use strong {
  margin-top: 8px;
  color: var(--blue-950);
  line-height: 1.5;
}

.gallery-close {
  position: absolute;
  z-index: 2;
  top: 14px;
  right: 14px;
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: rgba(7, 23, 47, 0.88);
  color: var(--white);
  cursor: pointer;
  font-size: 1.7rem;
  line-height: 1;
}

html[dir="rtl"] .gallery-close {
  right: auto;
  left: 14px;
}

.how-knx h2,
.demo-cta h2 {
  font-size: clamp(2rem, 4vw, 3.8rem);
}

.how-photo {
  height: 220px;
  margin-bottom: 22px;
}

.how-photo img {
  object-position: 54% 54%;
}

.how-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.how-grid article {
  position: relative;
  min-height: 160px;
  padding: 24px;
  overflow: hidden;
  border-color: rgba(16, 52, 102, 0.13);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(234, 241, 251, 0.76));
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.how-grid article::before {
  content: "";
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 22px;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(21, 81, 143, 0.16), var(--blue-700), var(--orange), rgba(21, 81, 143, 0.16));
  background-size: 220% 100%;
  opacity: 0.44;
  animation: dataFlow 3.2s linear infinite;
}

.how-grid article::after {
  position: absolute;
  right: 22px;
  top: 22px;
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border-radius: 12px;
  background: rgba(16, 52, 102, 0.08);
  color: var(--blue-900);
  font-size: 1.25rem;
  font-weight: 800;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

html[dir="rtl"] .how-grid article::after {
  right: auto;
  left: 22px;
}

.how-grid article:nth-child(1)::after { content: "BUS"; font-size: 0.76rem; }
.how-grid article:nth-child(2)::after { content: "UI"; }
.how-grid article:nth-child(3)::after { content: "IO"; }
.how-grid article:nth-child(4)::after { content: "KNX"; font-size: 0.7rem; }

.how-grid article:hover,
.how-grid article:focus {
  outline: none;
  border-color: rgba(215, 38, 61, 0.36);
  background:
    radial-gradient(circle at 88% 18%, rgba(215, 38, 61, 0.12), transparent 28%),
    linear-gradient(135deg, rgba(255, 255, 255, 1), rgba(234, 241, 251, 0.9));
  transform: translateY(-6px);
  box-shadow: 0 22px 50px rgba(7, 23, 47, 0.13);
}

.how-grid article:hover::before,
.how-grid article:focus::before {
  opacity: 0.92;
}

.how-grid article:hover::after,
.how-grid article:focus::after {
  background: var(--blue-950);
  color: var(--white);
  transform: rotate(-4deg) scale(1.05);
}

.how-grid span {
  position: relative;
  z-index: 1;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 50%;
  background: var(--blue-950);
  color: var(--white);
  font-weight: 800;
  box-shadow: 0 0 0 8px rgba(21, 81, 143, 0.08);
  transition: background 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.how-grid article:hover span,
.how-grid article:focus span {
  background: var(--orange);
  box-shadow: 0 0 0 10px rgba(215, 38, 61, 0.13);
  transform: scale(1.06);
}

.how-grid p {
  position: relative;
  z-index: 1;
  margin: 24px 0 0;
  color: var(--muted);
  line-height: 1.65;
  padding-right: 58px;
}

html[dir="rtl"] .how-grid p {
  padding-right: 0;
  padding-left: 58px;
}

.garden-scenarios {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(300px, 1fr);
  gap: clamp(28px, 6vw, 80px);
  padding: 0 clamp(18px, 5vw, 72px) clamp(72px, 9vw, 118px);
}

.scenario-heading h2 {
  margin: 0;
  color: var(--blue-950);
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1.02;
  letter-spacing: 0;
}

.garden-photo {
  height: 220px;
  margin-bottom: 22px;
}

.garden-photo img {
  object-position: 62% 58%;
}

.scenario-heading p:not(.eyebrow) {
  color: var(--muted);
  line-height: 1.75;
}

.scenario-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.scenario-grid article {
  position: relative;
  min-height: 210px;
  padding: 24px;
  overflow: hidden;
  border-color: rgba(16, 52, 102, 0.13);
  background:
    radial-gradient(circle at 12% 88%, rgba(64, 145, 108, 0.12), transparent 28%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(234, 241, 251, 0.74));
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.scenario-grid article::before {
  content: "";
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 22px;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(64, 145, 108, 0.2), var(--blue-700), var(--orange), rgba(64, 145, 108, 0.22));
  background-size: 220% 100%;
  opacity: 0.42;
  animation: dataFlow 3.4s linear infinite;
}

.scenario-grid article::after {
  position: absolute;
  right: 22px;
  top: 22px;
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 14px;
  background: rgba(64, 145, 108, 0.12);
  color: var(--blue-900);
  font-size: 1.25rem;
  font-weight: 800;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

html[dir="rtl"] .scenario-grid article::after {
  right: auto;
  left: 22px;
}

.scenario-grid article:nth-child(1)::after { content: "LUX"; font-size: 0.72rem; }
.scenario-grid article:nth-child(2)::after { content: "IN"; }
.scenario-grid article:nth-child(3)::after { content: "ECO"; font-size: 0.72rem; }
.scenario-grid article:nth-child(4)::after { content: "ALL"; font-size: 0.72rem; }

.scenario-grid article:hover,
.scenario-grid article:focus {
  outline: none;
  border-color: rgba(215, 38, 61, 0.34);
  background:
    radial-gradient(circle at 86% 16%, rgba(215, 38, 61, 0.12), transparent 28%),
    radial-gradient(circle at 14% 90%, rgba(64, 145, 108, 0.18), transparent 30%),
    linear-gradient(135deg, rgba(255, 255, 255, 1), rgba(234, 241, 251, 0.92));
  transform: translateY(-6px);
  box-shadow: 0 22px 50px rgba(7, 23, 47, 0.13);
}

.scenario-grid article:hover::before,
.scenario-grid article:focus::before {
  opacity: 0.92;
}

.scenario-grid article:hover::after,
.scenario-grid article:focus::after {
  background: var(--blue-950);
  color: var(--white);
  transform: rotate(4deg) scale(1.05);
}

.scenario-grid span {
  position: relative;
  z-index: 1;
  display: inline-grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 50%;
  background: var(--blue-950);
  color: var(--white);
  font-weight: 800;
  box-shadow: 0 0 0 8px rgba(64, 145, 108, 0.1);
  transition: background 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.scenario-grid article:hover span,
.scenario-grid article:focus span {
  background: var(--orange);
  box-shadow: 0 0 0 10px rgba(215, 38, 61, 0.13);
  transform: scale(1.06);
}

.scenario-grid h3 {
  position: relative;
  z-index: 1;
  margin: 22px 0 0;
  color: var(--blue-950);
  padding-right: 58px;
}

.scenario-grid p {
  position: relative;
  z-index: 1;
  color: var(--muted);
  line-height: 1.65;
  padding-right: 58px;
}

html[dir="rtl"] .scenario-grid h3,
html[dir="rtl"] .scenario-grid p {
  padding-right: 0;
  padding-left: 58px;
}

.facade-automation {
  display: grid;
  grid-template-columns: minmax(280px, 0.65fr) minmax(320px, 1fr);
  gap: clamp(28px, 6vw, 80px);
  padding: 0 clamp(18px, 5vw, 72px) clamp(72px, 9vw, 118px);
}

.facade-copy h2 {
  margin: 0;
  color: var(--blue-950);
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1.02;
}

.facade-photo {
  height: 220px;
  margin-bottom: 22px;
}

.facade-photo img {
  object-position: 64% 50%;
}

.facade-copy p:not(.eyebrow) {
  color: var(--muted);
  line-height: 1.75;
}

.facade-scene {
  position: relative;
  min-height: 560px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(234, 241, 251, 0.9), rgba(255, 255, 255, 0.86)),
    linear-gradient(90deg, rgba(16, 52, 102, 0.06) 1px, transparent 1px);
  background-size: auto, 28px 28px;
  box-shadow: 0 18px 46px rgba(7, 23, 47, 0.08);
}

.facade-house {
  position: absolute;
  left: 50%;
  top: 188px;
  width: min(360px, 70%);
  height: 250px;
  transform: translateX(-50%);
}

.roof {
  width: 100%;
  height: 95px;
  background: linear-gradient(135deg, var(--blue-950), var(--blue-700));
  clip-path: polygon(50% 0, 100% 82%, 0 82%);
}

.home-body {
  position: absolute;
  right: 8%;
  bottom: 0;
  left: 8%;
  height: 165px;
  border: 2px solid rgba(10, 33, 71, 0.42);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.9);
}

.window,
.door,
.facade-light {
  position: absolute;
  display: block;
  border-radius: 6px;
}

.window {
  top: 34px;
  width: 58px;
  height: 46px;
  border: 2px solid var(--blue-700);
  background: rgba(21, 81, 143, 0.1);
}

.window:first-child { left: 32px; }
.window:nth-child(2) { right: 32px; }
.window.lit {
  background: rgba(255, 209, 102, 0.76);
  box-shadow: 0 0 24px rgba(255, 209, 102, 0.65);
}

.door {
  left: 50%;
  bottom: 0;
  width: 56px;
  height: 86px;
  background: linear-gradient(180deg, var(--blue-900), var(--blue-950));
  transform: translateX(-50%);
}

.facade-light {
  top: 98px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #ffd166;
  box-shadow: 0 0 22px rgba(255, 209, 102, 0.75);
  animation: daliGlow 3s ease-in-out infinite;
}

.facade-light.left { left: 82px; }
.facade-light.right { right: 82px; }

.facade-node {
  position: absolute;
  z-index: 2;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--blue-950);
  font-size: 0.82rem;
  font-weight: 800;
  box-shadow: 0 12px 30px rgba(7, 23, 47, 0.11);
}

.facade-node.sun { top: 34px; left: 34px; }
.facade-node.weather { top: 34px; left: 50%; transform: translateX(-50%); }
.facade-node.mobile { right: 34px; top: 230px; border-color: rgba(215, 38, 61, 0.28); }
.facade-node.solar { top: 112px; left: 34px; }
.facade-node.garden { left: 34px; bottom: 42px; }

.facade-line {
  position: absolute;
  z-index: 1;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue-700), var(--orange));
  opacity: 0.52;
  transform-origin: left center;
  animation: dataFlow 2.8s linear infinite;
}

.line-sun { left: 120px; top: 76px; width: 32%; transform: rotate(22deg); }
.line-weather { left: 50%; top: 76px; width: 22%; transform: rotate(90deg); }
.line-mobile { right: 120px; top: 274px; width: 22%; transform: rotate(180deg); }
.line-solar { left: 128px; top: 154px; width: 26%; transform: rotate(8deg); }
.line-garden { left: 138px; bottom: 78px; width: 34%; transform: rotate(-14deg); }

.solar-array {
  position: absolute;
  top: 104px;
  right: 38px;
  display: grid;
  grid-template-columns: repeat(3, 54px);
  gap: 8px;
  padding: 10px;
  border: 1px solid rgba(21, 81, 143, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 12px 28px rgba(7, 23, 47, 0.08);
}

.solar-array span {
  display: block;
  width: 54px;
  height: 38px;
  border-radius: 5px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px),
    linear-gradient(135deg, var(--blue-900), var(--blue-700));
  background-size: 14px 14px, 14px 14px, auto;
}

.garden-zone {
  position: absolute;
  right: 36px;
  bottom: 34px;
  left: 36px;
  height: 92px;
  border: 1px solid rgba(21, 81, 143, 0.12);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 18% 62%, rgba(21, 81, 143, 0.18), transparent 12%),
    linear-gradient(180deg, rgba(234, 241, 251, 0.45), rgba(206, 232, 214, 0.7));
}

.tree {
  position: absolute;
  left: 18%;
  bottom: 18px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #3d7d4f;
  box-shadow: 0 18px 0 -10px #315b3c;
}

.tree.small {
  left: auto;
  right: 18%;
  bottom: 22px;
  width: 26px;
  height: 26px;
}

.path-light {
  position: absolute;
  bottom: 18px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #ffd166;
  box-shadow: 0 0 18px rgba(255, 209, 102, 0.78);
  animation: daliGlow 3.2s ease-in-out infinite;
}

.path-light.one { left: 38%; }
.path-light.two { left: 50%; animation-delay: 0.4s; }
.path-light.three { left: 62%; animation-delay: 0.8s; }

.facade-benefits {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.facade-benefits article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 14px 38px rgba(7, 23, 47, 0.07);
}

.facade-benefits strong {
  color: var(--blue-950);
}

.facade-benefits p {
  color: var(--muted);
  line-height: 1.65;
}

.demo-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: 0 clamp(18px, 5vw, 72px) 72px;
  padding: clamp(24px, 4vw, 42px);
}

@media (max-width: 1020px) {
  .demo-header,
  .demo-hero,
  .floor-demo,
  .room-showcases,
  .device-photo-section,
  .how-knx,
  .garden-scenarios,
  .facade-automation {
    grid-template-columns: 1fr;
  }

  .demo-nav {
    display: none;
  }

  .device-panel {
    position: relative;
    top: auto;
  }

  .device-photo-grid {
    grid-template-columns: repeat(3, minmax(110px, 1fr));
  }
}

@media (max-width: 700px) {
  .demo-header {
    grid-template-columns: 1fr auto;
    gap: 14px;
  }

  .demo-header-title {
    grid-column: 1 / -1;
    justify-content: center;
    min-height: 34px;
    padding: 7px 12px;
    font-size: 0.78rem;
  }

  .floor-plan {
    min-height: 700px;
  }

  .room {
    padding: 10px;
    font-size: 0.78rem;
  }

  .device {
    width: 58px;
    min-height: 48px;
    font-size: 0.58rem;
  }

  .device::before {
    width: 18px;
    height: 18px;
    font-size: 0.95rem;
  }

  .smart-panel {
    width: 106px;
    min-height: 118px;
  }

  .smart-panel small {
    font-size: 0.55rem;
  }

  .touch { left: 6%; top: 37%; }
  .keypad { left: 43%; top: 43%; }
  .keypad-bedroom { left: 77%; top: 40%; }
  .keypad-entry { left: 57%; top: 74%; }
  .touch-kitchen { left: 31%; top: 61%; }
  .lighting { left: 25%; top: 31%; }
  .curtain { left: 7%; top: 54%; }
  .ac { left: 76%; top: 22%; }
  .motion { left: 76%; top: 56%; }
  .dali { left: 22%; top: 84%; }

  .linear-point {
    width: 74px;
    height: 16px;
  }

  .linear-point span {
    width: 50px;
  }

  .linear-living { left: 16%; top: 48%; }
  .linear-kitchen { left: 12%; top: 74%; }
  .linear-bedroom { right: 11%; top: 35%; }

  .lp-living { left: 16%; top: 20%; }
  .lp-dali-living { left: 32%; top: 39%; }
  .lp-dali-dining { left: 31%; top: 69%; }
  .lp-hall { left: 49%; top: 53%; }

  .how-grid,
  .scenario-grid,
  .showcase-points,
  .facade-benefits,
  .demo-cta {
    grid-template-columns: 1fr;
  }

  .room-mini-plan,
  .kitchen-mini-plan {
    min-height: 380px;
  }

  .device-photo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .device-photo-grid img {
    height: 120px;
  }

  .device-photo-grid strong {
    min-height: auto;
  }

  .gallery-dialog {
    grid-template-columns: 1fr;
    max-height: 90vh;
    overflow-y: auto;
  }

  .gallery-dialog figure {
    min-height: 260px;
  }

  .gallery-detail {
    padding: 24px;
  }

  .mini-screen {
    width: 104px;
  }

  .mini-sofa {
    width: 128px;
  }

  .mini-ac,
  .mini-keypad,
  .mini-phone,
  .gas-sensor,
  .gas-valve,
  .extractor,
  .alert-phone {
    min-width: 58px;
    font-size: 0.58rem;
  }

  .facade-scene {
    min-height: 620px;
  }

  .facade-node.sun { left: 18px; }
  .facade-node.weather { top: 92px; left: 18px; transform: none; }
  .facade-node.solar { top: 150px; left: 18px; }
  .facade-node.mobile { top: 266px; right: 18px; }
  .facade-node.garden { left: 18px; bottom: 26px; }

  .solar-array {
    top: 92px;
    right: 18px;
    grid-template-columns: repeat(2, 44px);
  }

  .solar-array span {
    width: 44px;
    height: 32px;
  }

  .facade-house {
    top: 238px;
    width: 82%;
  }

  .facade-line {
    opacity: 0.34;
  }

  .demo-cta {
    align-items: stretch;
    flex-direction: column;
  }

  .demo-cta .btn {
    width: 100%;
  }
}