.product-site {
  background: #f4f7fb;
}

.product-site .site-header {
  background: rgba(5, 15, 28, .92);
  backdrop-filter: blur(18px);
}

.catalog-hero,
.detail-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 78% 26%, rgba(56, 143, 255, .24), transparent 26%),
    radial-gradient(circle at 72% 105%, rgba(111, 87, 255, .2), transparent 42%),
    linear-gradient(125deg, #020914 0%, #061426 58%, #0b1430 100%);
}

.catalog-hero::after,
.detail-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .13;
  background-image:
    linear-gradient(rgba(91, 195, 255, .24) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91, 195, 255, .24) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, transparent, #000 58%, transparent);
  pointer-events: none;
}

.catalog-hero-inner {
  position: relative;
  z-index: 1;
  min-height: 560px;
  padding: 180px 0 92px;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  align-items: end;
  gap: 90px;
}

.page-kicker,
.detail-kicker {
  display: block;
  margin-bottom: 22px;
  color: #57caff;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .22em;
}

.catalog-hero h1,
.detail-hero h1 {
  margin: 0;
  letter-spacing: -.055em;
  line-height: 1.08;
  font-weight: 650;
}

.catalog-hero h1 {
  max-width: 760px;
  font-size: clamp(54px, 5.6vw, 78px);
}

.catalog-hero-copy > p {
  max-width: 720px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, .65);
  font-size: 17px;
  line-height: 1.9;
}

.catalog-hero-aside {
  padding: 30px;
  border: 1px solid rgba(127, 215, 255, .2);
  border-radius: 20px;
  background: rgba(6, 21, 39, .54);
  backdrop-filter: blur(15px);
}

.catalog-hero-aside span {
  display: block;
  margin-bottom: 18px;
  color: #7edcff;
  font-size: 11px;
  letter-spacing: .18em;
}

.catalog-hero-aside strong {
  display: block;
  margin-bottom: 12px;
  font-size: 24px;
}

.catalog-hero-aside p {
  margin: 0;
  color: rgba(255, 255, 255, .58);
  line-height: 1.75;
}

.catalog-section {
  padding: 100px 0 126px;
}

.catalog-heading {
  margin-bottom: 48px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 50px;
}

.catalog-heading h2 {
  max-width: 640px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(38px, 4vw, 56px);
  line-height: 1.1;
  letter-spacing: -.045em;
}

.catalog-heading p {
  max-width: 430px;
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.device-catalog-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 22px;
}

.catalog-product-group + .catalog-product-group {
  margin-top: 82px;
  padding-top: 70px;
  border-top: 1px solid #dce4ed;
}

.catalog-group-heading {
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.catalog-group-heading > div {
  display: flex;
  align-items: center;
  gap: 13px;
}

.catalog-group-heading strong {
  font-size: 21px;
  letter-spacing: -.02em;
}

.catalog-group-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.catalog-group-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.catalog-group-dot.live {
  background: #1fc58a;
  box-shadow: 0 0 0 7px rgba(31, 197, 138, .1);
}

.catalog-group-dot.concept {
  background: #e6a928;
  box-shadow: 0 0 0 7px rgba(230, 169, 40, .1);
}

.catalog-card {
  position: relative;
  grid-column: span 2;
  min-height: 480px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid #dbe4ee;
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 20px 60px rgba(16, 38, 69, .08);
  transition: transform .3s, box-shadow .3s, border-color .3s;
}

.physical-catalog-grid .catalog-card { grid-column: span 2; }
.concept-catalog-grid .catalog-card { grid-column: span 3; }

.catalog-card:hover {
  transform: translateY(-6px);
  border-color: rgba(69, 191, 255, .48);
  box-shadow: 0 28px 80px rgba(16, 47, 88, .14);
}

.catalog-card-visual {
  position: relative;
  min-height: 260px;
  overflow: hidden;
  background: #06101c;
}

.concept-catalog-grid .catalog-card-visual { min-height: 310px; }

.catalog-card-visual::after {
  content: "";
  position: absolute;
  inset: 50% 0 0;
  background: linear-gradient(transparent, rgba(2, 9, 18, .72));
}

.catalog-card-visual img {
  width: 100%;
  height: 100%;
  min-height: inherit;
  object-fit: cover;
  transition: transform .6s ease;
}

.catalog-card:hover .catalog-card-visual img {
  transform: scale(1.035);
}

.catalog-index {
  position: absolute;
  z-index: 2;
  left: 22px;
  top: 20px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(114, 218, 255, .54);
  border-radius: 50%;
  color: #a3e8ff;
  background: rgba(4, 25, 43, .78);
  font-size: 10px;
}

.catalog-card-content {
  flex: 1;
  padding: 28px 28px 30px;
  display: flex;
  flex-direction: column;
}

.catalog-card-content small {
  color: #318eff;
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .18em;
}

.catalog-card-content h3 {
  margin: 13px 0 12px;
  font-size: 27px;
  letter-spacing: -.03em;
}

.catalog-card-content p {
  margin: 0 0 22px;
  color: var(--muted);
  line-height: 1.75;
}

.catalog-card-content footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.catalog-stage {
  color: #7b8798;
  font-size: 11px;
}

.physical-catalog-grid .catalog-stage { color: #16835e; }
.concept-catalog-grid .catalog-stage { color: #9b731d; }

.catalog-card-content footer b {
  color: #216dff;
  font-size: 18px;
  font-weight: 500;
}

.detail-hero-inner {
  position: relative;
  z-index: 1;
  min-height: 720px;
  padding: 150px 0 76px;
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  align-items: center;
  gap: 80px;
}

.breadcrumb {
  margin-bottom: 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  color: rgba(255, 255, 255, .45);
  font-size: 12px;
}

.breadcrumb a:hover {
  color: #fff;
}

.detail-hero h1 {
  font-size: clamp(54px, 5.3vw, 76px);
}

.detail-summary {
  max-width: 590px;
  margin: 28px 0;
  color: rgba(255, 255, 255, .67);
  font-size: 17px;
  line-height: 1.9;
}

.detail-signal-tags {
  margin: 0 0 36px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
}

.detail-signal-tags li {
  padding: 9px 13px;
  border: 1px solid rgba(126, 216, 255, .22);
  border-radius: 999px;
  color: rgba(255, 255, 255, .75);
  background: rgba(9, 31, 53, .5);
  font-size: 12px;
}

.detail-stage-line {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, .52);
  font-size: 12px;
}

.detail-stage-line i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #45bfff;
  box-shadow: 0 0 15px rgba(69, 191, 255, .75);
}

.detail-stage-line.stage-live i {
  background: #41dfa6;
  box-shadow: 0 0 15px rgba(65, 223, 166, .75);
}

.detail-visual {
  position: relative;
  min-height: 470px;
  overflow: hidden;
  border: 1px solid rgba(131, 216, 255, .2);
  border-radius: 28px;
  background: #030b14;
  box-shadow: 0 35px 100px rgba(0, 0, 0, .36);
}

.detail-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 80px rgba(31, 107, 213, .15);
  pointer-events: none;
}

.detail-visual img {
  width: 100%;
  height: 100%;
  min-height: 470px;
  object-fit: cover;
}

.detail-visual-caption {
  position: absolute;
  z-index: 2;
  left: 24px;
  right: 24px;
  bottom: 20px;
  padding: 15px 18px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border: 1px solid rgba(255, 255, 255, .13);
  border-radius: 14px;
  color: rgba(255, 255, 255, .64);
  background: rgba(3, 13, 25, .76);
  backdrop-filter: blur(14px);
  font-size: 11px;
}

.detail-section {
  padding: 110px 0;
}

.detail-section-white {
  background: #fff;
}

.detail-section-dark {
  color: #fff;
  background: #07111f;
}

.detail-heading {
  margin-bottom: 46px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: end;
  gap: 80px;
}

.detail-heading h2 {
  margin: 0;
  font-size: clamp(38px, 4.2vw, 58px);
  line-height: 1.1;
  letter-spacing: -.045em;
}

.detail-heading p {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
}

.detail-section-dark .detail-heading p {
  color: rgba(255, 255, 255, .58);
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.capability-card {
  min-height: 230px;
  padding: 28px;
  border: 1px solid #dce5ee;
  border-radius: 20px;
  background: #f8fafc;
}

.capability-card span {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  margin-bottom: 42px;
  border-radius: 50%;
  color: #237bff;
  background: #e7f4ff;
  font-size: 11px;
  font-weight: 750;
}

.capability-card h3 {
  margin: 0 0 12px;
  font-size: 22px;
}

.capability-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.system-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.system-flow article {
  position: relative;
  min-height: 190px;
  padding: 28px 24px;
  border: 1px solid rgba(120, 213, 255, .16);
  border-radius: 18px;
  background: rgba(255, 255, 255, .035);
}

.system-flow article:not(:last-child)::after {
  content: "→";
  position: absolute;
  z-index: 2;
  right: -15px;
  top: 50%;
  color: #55c9ff;
  transform: translateY(-50%);
}

.system-flow small {
  color: #55c9ff;
  letter-spacing: .16em;
}

.system-flow h3 {
  margin: 36px 0 10px;
  font-size: 20px;
}

.system-flow p {
  margin: 0;
  color: rgba(255, 255, 255, .52);
  line-height: 1.7;
  font-size: 13px;
}

.detail-next {
  padding: 84px 0;
  background: #eef3f8;
}

.detail-next-head {
  margin-bottom: 30px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
}

.detail-next-head h2 {
  margin: 0;
  font-size: 36px;
}

.detail-next-head a {
  color: #216dff;
  font-weight: 650;
}

.next-products {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.next-product {
  min-height: 150px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid #d8e2ed;
  border-radius: 18px;
  background: #fff;
  transition: transform .25s, border-color .25s;
}

.next-product:hover {
  transform: translateY(-3px);
  border-color: #79cfff;
}

.next-product small {
  color: #3c8eff;
  letter-spacing: .12em;
}

.next-product strong {
  font-size: 19px;
}

.product-contact {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(120deg, #126dd8, #655cff 70%, #825cff);
}

.product-contact-inner {
  min-height: 390px;
  padding: 76px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 70px;
}

.product-contact h2 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(40px, 5vw, 66px);
  line-height: 1.08;
  letter-spacing: -.045em;
}

.product-contact p {
  max-width: 480px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, .75);
  line-height: 1.75;
}

.product-contact .button-light {
  flex: 0 0 auto;
}

html[lang="en"] .catalog-hero h1 {
  font-size: clamp(52px, 4.1vw, 58px);
}

html[lang="en"] .detail-hero h1 {
  font-size: clamp(50px, 4.4vw, 64px);
}

html[lang="en"] .detail-heading h2 {
  font-size: clamp(38px, 3.8vw, 52px);
}

html[lang="en"] .product-contact h2 {
  font-size: clamp(40px, 4.2vw, 58px);
}

@media (max-width: 1080px) {
  .catalog-hero-inner,
  .detail-hero-inner { gap: 46px; }
  .physical-catalog-grid .catalog-card,
  .concept-catalog-grid .catalog-card { grid-column: span 3; }
  .physical-catalog-grid .catalog-card:last-child { grid-column: 2 / span 4; }
  .detail-hero-inner { grid-template-columns: .92fr 1.08fr; }
  .next-products { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .catalog-hero-inner,
  .detail-hero-inner {
    min-height: auto;
    padding: 126px 0 70px;
    grid-template-columns: 1fr;
    gap: 42px;
  }
  .catalog-hero h1,
  .detail-hero h1 { font-size: 44px; }
  html[lang="en"] .catalog-hero h1,
  html[lang="en"] .detail-hero h1 { font-size: 40px; }
  .catalog-hero-copy > p,
  .detail-summary { font-size: 15px; }
  .catalog-hero-aside { padding: 24px; }
  .catalog-section,
  .detail-section { padding: 76px 0; }
  .catalog-heading,
  .detail-heading { display: block; }
  .catalog-heading p,
  .detail-heading p { margin-top: 20px; }
  .device-catalog-grid { display: grid; grid-template-columns: 1fr; }
  .catalog-card,
  .physical-catalog-grid .catalog-card,
  .physical-catalog-grid .catalog-card:last-child,
  .concept-catalog-grid .catalog-card { grid-column: auto; min-height: 0; }
  .catalog-card-visual,
  .concept-catalog-grid .catalog-card-visual { min-height: 230px; }
  .catalog-product-group + .catalog-product-group { margin-top: 62px; padding-top: 54px; }
  .catalog-group-heading { align-items: flex-start; flex-direction: column; gap: 13px; }
  .detail-visual,
  .detail-visual img { min-height: 330px; }
  .detail-visual-caption { left: 14px; right: 14px; bottom: 14px; }
  .capability-grid,
  .system-flow { grid-template-columns: 1fr; }
  .system-flow article { min-height: 0; }
  .system-flow article:not(:last-child)::after { content: "↓"; left: 50%; right: auto; top: auto; bottom: -17px; transform: translateX(-50%); }
  .next-products { grid-template-columns: 1fr; }
  .detail-next-head { align-items: flex-start; flex-direction: column; }
  .product-contact-inner { min-height: 430px; align-items: flex-start; flex-direction: column; justify-content: center; }
  html[lang="en"] .detail-heading h2 { font-size: 34px; }
  html[lang="en"] .product-contact h2 { font-size: 38px; }
}
