.product-page {
  background:
    radial-gradient(circle at 78% 5%, rgba(159, 206, 255, 0.34), transparent 28%),
    var(--paper);
}

.product-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid rgba(11, 29, 56, 0.07);
  background: rgba(245, 249, 255, 0.88);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  backdrop-filter: blur(20px) saturate(140%);
}

.product-header-inner {
  display: flex;
  width: min(calc(100% - 56px), var(--container));
  min-height: 78px;
  align-items: center;
  gap: 36px;
  margin-inline: auto;
}

.product-nav {
  display: flex;
  align-items: center;
  gap: clamp(22px, 2.7vw, 40px);
  margin-left: auto;
}

.product-nav a,
.product-footer-links a {
  color: var(--ink-soft);
  font-size: 13px;
  transition: color 180ms ease;
}

.product-nav a:hover,
.product-nav a[aria-current="page"],
.product-footer-links a:hover {
  color: var(--ink);
}

.product-back {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  gap: 8px;
  padding: 0 17px;
  border: 1px solid rgba(11, 29, 56, 0.12);
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 600;
  transition: color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.product-back:hover {
  border-color: rgba(23, 105, 224, 0.4);
  color: var(--jade-deep);
  transform: translateY(-1px);
}

.product-hero {
  position: relative;
  overflow: hidden;
  padding: 50px 0 clamp(96px, 9vw, 150px);
}

.product-hero-glow {
  position: absolute;
  top: 20%;
  right: -18vw;
  width: 62vw;
  height: 62vw;
  border: 1px solid rgba(23, 105, 224, 0.12);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.75), rgba(209, 230, 255, 0.15) 52%, transparent 70%);
  pointer-events: none;
}

.breadcrumb {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: clamp(48px, 6vw, 82px);
  color: var(--muted);
  font-size: 11px;
}

.breadcrumb a {
  transition: color 180ms ease;
}

.breadcrumb a:hover {
  color: var(--jade-deep);
}

.breadcrumb [aria-current="page"] {
  color: var(--ink-soft);
}

.product-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(420px, 0.94fr);
  align-items: center;
  gap: clamp(52px, 7vw, 110px);
}

.product-intro h1 {
  max-width: 760px;
  margin-top: 25px;
  font-family: var(--display);
  font-size: clamp(58px, 7vw, 104px);
  font-weight: 620;
  letter-spacing: -0.07em;
  line-height: 0.93;
}

.product-intro h1 span {
  display: block;
  color: var(--jade-deep);
}

.product-lead {
  max-width: 610px;
  margin-top: 34px;
  color: var(--ink-soft);
  font-size: clamp(17px, 1.45vw, 20px);
  line-height: 1.8;
}

.registration-card {
  display: grid;
  width: min(100%, 560px);
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 28px;
  margin-top: 38px;
  padding: 17px 20px;
  border: 1px solid rgba(23, 105, 224, 0.15);
  border-radius: 19px;
  background: rgba(255, 255, 255, 0.58);
  box-shadow: 0 22px 64px rgba(22, 54, 98, 0.06);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

.registration-card span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.registration-card strong {
  color: var(--jade-deep);
  font-size: 15px;
  font-weight: 650;
  letter-spacing: 0.02em;
}

.product-actions {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-top: 38px;
}

.product-text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(11, 29, 56, 0.2);
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 600;
  transition: color 180ms ease, border-color 180ms ease;
}

.product-text-link:hover {
  border-color: var(--jade-deep);
  color: var(--jade-deep);
}

.product-visual {
  margin: 0;
  padding: 16px 16px 24px;
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 42px;
  background: linear-gradient(145deg, rgba(223, 238, 255, 0.88), rgba(255, 255, 255, 0.96));
  box-shadow: 0 40px 110px rgba(22, 54, 98, 0.14);
}

.product-visual-media {
  display: grid;
  min-height: 650px;
  overflow: hidden;
  place-items: center;
  border-radius: 29px;
  background: #f9fcff;
}

.product-visual img {
  width: 100%;
  height: 100%;
  max-height: 650px;
  object-fit: contain;
}

.product-visual figcaption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 8px 0;
}

.product-visual figcaption span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.product-visual figcaption strong {
  color: var(--ink);
  font-family: var(--display);
  font-size: 15px;
  font-weight: 620;
  letter-spacing: -0.02em;
}

.product-information {
  border-top: 1px solid var(--line);
  background: var(--paper-bright);
}

.product-information-grid {
  display: grid;
  grid-template-columns: minmax(250px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(56px, 10vw, 160px);
}

.product-information-heading h2 {
  margin-top: 21px;
  font-family: var(--display);
  font-size: clamp(40px, 4.5vw, 68px);
  font-weight: 610;
  letter-spacing: -0.055em;
  line-height: 1.05;
}

.product-information-heading > p:not(.eyebrow) {
  max-width: 455px;
  margin-top: 27px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.product-information-heading .product-text-link {
  margin-top: 29px;
}

.product-facts {
  margin: 0;
}

.product-facts > div {
  display: grid;
  grid-template-columns: minmax(145px, 0.42fr) minmax(0, 1fr);
  gap: 32px;
  padding: 31px 0;
  border-top: 1px solid var(--line);
}

.product-facts > div:last-child {
  border-bottom: 1px solid var(--line);
}

.product-facts dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

.product-facts dd {
  margin: 0;
  color: var(--ink);
  font-size: clamp(17px, 1.5vw, 21px);
  font-weight: 560;
  line-height: 1.7;
}

.product-facts dd.product-facts-code {
  color: var(--jade-deep);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.product-scope {
  padding-block: clamp(98px, 10vw, 155px);
  color: var(--paper-bright);
  background:
    radial-gradient(circle at 86% 14%, rgba(61, 137, 255, 0.24), transparent 28%),
    linear-gradient(145deg, #102d55, #061a36);
}

.product-scope-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 36px;
}

.product-scope .eyebrow {
  color: var(--mint);
}

.product-scope-heading h2 {
  margin-top: 18px;
  font-family: var(--display);
  font-size: clamp(42px, 5vw, 76px);
  font-weight: 600;
  letter-spacing: -0.06em;
  line-height: 1;
}

.product-scope-heading > p {
  padding-bottom: 9px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 14px;
}

.scope-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: clamp(50px, 7vw, 86px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-light);
  list-style: none;
}

.scope-list li {
  min-height: 190px;
  padding: 24px 20px 24px 0;
  border-right: 1px solid var(--line-light);
  font-family: var(--display);
  font-size: clamp(19px, 1.7vw, 25px);
  font-weight: 570;
  letter-spacing: -0.035em;
  line-height: 1.35;
}

.scope-list li + li {
  padding-left: 20px;
}

.scope-list li:last-child {
  border-right: 0;
}

.scope-list span {
  display: block;
  margin-bottom: 66px;
  color: rgba(184, 220, 255, 0.58);
  font-family: var(--body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.product-note {
  margin-top: 26px;
  color: rgba(255, 255, 255, 0.48);
  font-size: 11px;
  line-height: 1.7;
}

.product-contact {
  padding-block: clamp(100px, 11vw, 170px);
  color: var(--white);
  background:
    radial-gradient(circle at 80% 40%, rgba(91, 164, 255, 0.38), transparent 30%),
    linear-gradient(135deg, #1769e0, #0b46a3 58%, #071f46);
}

.product-contact-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.product-contact .eyebrow {
  color: var(--mint);
}

.product-contact h2 {
  max-width: 930px;
  margin-top: 24px;
  font-family: var(--display);
  font-size: clamp(45px, 6.2vw, 92px);
  font-weight: 600;
  letter-spacing: -0.06em;
  line-height: 1;
}

.product-contact .button {
  margin-top: 42px;
}

.product-footer {
  padding: 38px 0 30px;
  background: var(--paper-bright);
}

.product-footer-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}

.product-footer-links {
  display: flex;
  gap: 32px;
}

.product-footer-legal {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  padding-top: 24px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.8;
}

.product-footer-legal > div {
  display: flex;
  flex-wrap: wrap;
  gap: 5px 18px;
}

.product-footer-legal strong {
  color: var(--ink-soft);
  font-weight: 600;
}

.product-footer-legal-right {
  justify-content: flex-end;
}

.product-footer-legal a {
  transition: color 180ms ease;
}

.product-footer-legal a:hover {
  color: var(--jade-deep);
}

@media (max-width: 1120px) {
  .product-nav {
    gap: 22px;
  }

  .product-hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(380px, 0.86fr);
    gap: 50px;
  }

  .product-intro h1 {
    font-size: clamp(56px, 7.5vw, 84px);
  }

  .product-visual-media {
    min-height: 560px;
  }
}

@media (max-width: 960px) {
  .product-header-inner {
    min-height: 68px;
  }

  .product-nav {
    display: none;
  }

  .product-back {
    margin-left: auto;
  }

  .product-hero {
    padding-top: 36px;
  }

  .product-hero-grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .product-intro {
    max-width: 760px;
  }

  .product-intro h1 {
    font-size: clamp(56px, 10vw, 92px);
  }

  .product-visual {
    width: min(100%, 680px);
    justify-self: center;
  }

  .product-visual-media {
    min-height: 620px;
  }

  .product-information-grid {
    grid-template-columns: 1fr;
    gap: 52px;
  }

  .product-scope-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 20px;
  }

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

  .scope-list li:nth-child(even) {
    border-right: 0;
  }

  .scope-list li:nth-child(n + 3) {
    border-top: 1px solid var(--line-light);
  }

  .scope-list li:last-child {
    grid-column: span 2;
    border-top: 1px solid var(--line-light);
  }

  .product-footer-main {
    flex-wrap: wrap;
  }
}

@media (max-width: 680px) {
  .product-header-inner {
    width: min(calc(100% - 36px), var(--container));
  }

  .product-back {
    min-height: 36px;
    padding-inline: 13px;
    font-size: 11px;
  }

  .product-hero {
    padding-bottom: 92px;
  }

  .breadcrumb {
    margin-bottom: 48px;
  }

  .breadcrumb a:nth-of-type(2),
  .breadcrumb span:nth-of-type(2) {
    display: none;
  }

  .product-intro h1 {
    margin-top: 20px;
    font-size: clamp(48px, 14.5vw, 66px);
    line-height: 0.97;
  }

  .product-lead {
    margin-top: 28px;
    font-size: 16px;
  }

  .registration-card {
    grid-template-columns: 1fr;
    gap: 8px;
    margin-top: 30px;
  }

  .product-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 22px;
    margin-top: 31px;
  }

  .product-visual {
    padding: 10px 10px 20px;
    border-radius: 30px;
  }

  .product-visual-media {
    min-height: 0;
    border-radius: 22px;
  }

  .product-visual img {
    height: auto;
  }

  .product-visual figcaption {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
    padding: 17px 8px 0;
  }

  .product-facts > div {
    grid-template-columns: 1fr;
    gap: 9px;
    padding: 25px 0;
  }

  .product-facts dd {
    font-size: 18px;
  }

  .scope-list {
    grid-template-columns: 1fr;
  }

  .scope-list li,
  .scope-list li + li {
    min-height: 0;
    padding: 21px 0;
    border-top: 1px solid var(--line-light);
    border-right: 0;
  }

  .scope-list li:first-child {
    border-top: 0;
  }

  .scope-list li:last-child {
    grid-column: auto;
  }

  .scope-list span {
    margin-bottom: 18px;
  }

  .product-contact h2 {
    font-size: clamp(42px, 12.5vw, 60px);
  }

  .product-footer-links {
    order: 3;
    width: 100%;
    flex-wrap: wrap;
    gap: 18px 24px;
  }

  .product-footer-legal {
    flex-direction: column;
    gap: 14px;
  }

  .product-footer-legal-right {
    justify-content: flex-start;
  }
}

@media (max-width: 390px) {
  .brand-en {
    display: none;
  }

  .product-intro h1 {
    font-size: 46px;
  }

  .product-back {
    padding-inline: 11px;
  }
}