.page-products {
  --prod-arc: 22px;
  --prod-line: linear-gradient(90deg, var(--gold-400) 0%, var(--violet-500) 55%, transparent 92%);
  --prod-card-bg: rgba(19, 34, 56, 0.72);
  overflow-x: hidden;
  background:
    radial-gradient(1100px 520px at 90% -8%, rgba(139, 92, 246, 0.22), transparent 60%),
    radial-gradient(860px 420px at -8% 26%, rgba(212, 175, 55, 0.14), transparent 55%),
    var(--navy-950);
  color: var(--white);
}

.page-products a {
  color: var(--gold-300);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color var(--transition);
}

.page-products a:hover {
  color: var(--gold-400);
}

.page-products .prod-figure {
  margin: 0;
  padding: 10px;
  background: var(--navy-900);
  border: 1px solid rgba(212, 175, 55, 0.45);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.page-products .prod-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: calc(var(--radius-md) - 6px);
}

.page-products .prod-hero {
  padding: 28px 0 52px;
}

.page-products .prod-hero__inner {
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-products .prod-hero__overline {
  font-family: var(--font-heading);
  letter-spacing: 0.16em;
  color: var(--gold-300);
  margin: 0 0 10px;
  font-size: 0.9rem;
}

.page-products .prod-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.1rem, 6vw, 3.4rem);
  line-height: 1.16;
  margin: 0 0 16px;
}

.page-products .prod-hero__lead {
  color: var(--slate-300);
  font-size: 1.06rem;
  line-height: 1.8;
  max-width: 36em;
  margin: 0 0 26px;
}

.page-products .prod-hero__index {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  max-width: 520px;
}

.page-products .prod-hero__index-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid rgba(212, 175, 55, 0.35);
  border-radius: 999px;
  background: var(--prod-card-bg);
  text-decoration: none;
  color: var(--cream-100);
  font-size: 0.95rem;
}

.page-products .prod-hero__index-link span {
  font-family: var(--font-heading);
  color: var(--gold-400);
  font-weight: 700;
}

.page-products .prod-hero__index-link:hover {
  border-color: var(--gold-300);
  background: rgba(212, 175, 55, 0.12);
}

.page-products .prod-section-heading {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 30px;
}

.page-products .prod-section-heading__text {
  border-left: 3px solid var(--gold-400);
  padding-left: 16px;
}

.page-products .prod-section-heading__desc {
  color: var(--slate-300);
  line-height: 1.75;
  margin: 6px 0 0;
}

.page-products .prod-stable,
.page-products .prod-tools,
.page-products .prod-device,
.page-products .prod-register {
  position: relative;
  padding: 52px 0;
}

.page-products .prod-stable::before,
.page-products .prod-tools::before,
.page-products .prod-device::before,
.page-products .prod-register::before {
  content: "";
  position: absolute;
  top: 0;
  left: max(var(--content-pad), 16px);
  right: max(var(--content-pad), 16px);
  height: 2px;
  border-radius: 999px;
  background: var(--prod-line);
}

.page-products .prod-stable__layout {
  display: grid;
  gap: 26px;
  align-items: start;
}

.page-products .prod-version-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.page-products .prod-version-list__item {
  display: grid;
  grid-template-columns: auto auto 1fr;
  gap: 10px 14px;
  align-items: baseline;
  padding: 12px 4px;
  border-bottom: 1px solid rgba(212, 175, 55, 0.22);
}

.page-products .prod-version-list__ver {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--gold-300);
}

.page-products .prod-version-list__time {
  color: var(--slate-300);
  font-size: 0.85rem;
  white-space: nowrap;
}

.page-products .prod-version-list__note {
  color: var(--cream-100);
  line-height: 1.6;
}

.page-products .prod-stable__content p {
  color: var(--slate-300);
  line-height: 1.85;
  margin: 0 0 18px;
}

.page-products .prod-tools__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: stretch;
}

.page-products .prod-tools__radio,
.page-products .prod-device__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .prod-tools__trigger {
  display: inline-flex;
  align-items: center;
  padding: 12px 18px;
  border-radius: 22px 22px 8px 8px;
  border: 1px solid rgba(212, 175, 55, 0.5);
  background: var(--prod-card-bg);
  color: var(--slate-300);
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.page-products .prod-tools__trigger:hover {
  color: var(--gold-300);
}

.page-products .prod-tools__radio:checked + .prod-tools__trigger {
  background: var(--gold-grad);
  color: var(--navy-950);
  border-color: transparent;
}

.page-products .prod-tools__radio:focus-visible + .prod-tools__trigger {
  outline: 2px solid var(--gold-300);
  outline-offset: 3px;
}

.page-products .prod-tool-panel {
  display: none;
  width: 100%;
  margin-top: 14px;
  border-radius: 8px 24px 24px 24px;
  border: 1px solid rgba(212, 175, 55, 0.4);
  perspective: 1200px;
}

.page-products .prod-tools__radio:checked ~ .prod-tool-panel--detect,
.page-products .prod-tools__radio:checked ~ .prod-tool-panel--link,
.page-products .prod-tools__radio:checked ~ .prod-tool-panel--match {
  display: block;
}

.page-products .prod-tool-card {
  display: block;
  width: 100%;
}

.page-products .prod-tool-card__inner {
  position: relative;
  width: 100%;
  min-height: 280px;
  transform-style: preserve-3d;
  transition: transform 0.5s var(--transition);
}

.page-products .prod-tool-card__face {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 30px 26px;
  border-radius: inherit;
  backface-visibility: hidden;
  text-align: center;
}

.page-products .prod-tool-card__face--front {
  background: linear-gradient(145deg, rgba(19, 34, 56, 0.95), rgba(14, 27, 46, 0.96));
  border: 1px solid rgba(212, 175, 55, 0.35);
}

.page-products .prod-tool-card__face--back {
  transform: rotateY(180deg);
  border: 1px solid rgba(212, 175, 55, 0.4);
}

.page-products .prod-tool-panel--detect .prod-tool-card__face--back {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.28), rgba(10, 22, 40, 0.96));
}

.page-products .prod-tool-panel--link .prod-tool-card__face--back {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.22), rgba(10, 22, 40, 0.96));
}

.page-products .prod-tool-panel--match .prod-tool-card__face--back {
  background: linear-gradient(135deg, rgba(109, 40, 217, 0.34), rgba(10, 22, 40, 0.96));
}

.page-products .prod-tool-panel:hover .prod-tool-card__inner,
.page-products .prod-tool-panel:focus-within .prod-tool-card__inner {
  transform: rotateY(180deg);
}

.page-products .prod-tool-card__icon {
  width: 56px;
  height: 56px;
  color: var(--gold-400);
}

.page-products .prod-tool-card__face h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  margin: 0;
  color: var(--white);
}

.page-products .prod-tool-card__face--front span {
  color: var(--slate-300);
  font-size: 0.85rem;
}

.page-products .prod-tool-card__face--back p {
  color: var(--cream-100);
  line-height: 1.8;
  max-width: 30em;
  margin: 0 0 6px;
}

.page-products .prod-tool-panel__code {
  display: inline-block;
  padding: 10px 14px;
  border: 1px solid rgba(235, 203, 107, 0.45);
  border-radius: 8px;
  background: rgba(10, 22, 40, 0.82);
  color: var(--gold-300);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.9rem;
  overflow-x: auto;
  max-width: 100%;
  white-space: nowrap;
}

.page-products .prod-tools__figure {
  margin-top: 28px;
}

.page-products .prod-device__layout {
  display: grid;
  gap: 26px;
  align-items: start;
}

.page-products .prod-device__filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  width: 100%;
}

.page-products .prod-device__label {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  border-radius: 20px 20px 6px 6px;
  border: 1px solid rgba(212, 175, 55, 0.45);
  background: var(--prod-card-bg);
  color: var(--slate-300);
  cursor: pointer;
  font-size: 0.95rem;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.page-products .prod-device__label:hover {
  color: var(--gold-300);
}

.page-products .prod-device__radio:checked + .prod-device__label {
  background: var(--gold-grad);
  color: var(--navy-950);
  border-color: transparent;
  font-weight: 700;
}

.page-products .prod-device__radio:focus-visible + .prod-device__label {
  outline: 2px solid var(--gold-300);
  outline-offset: 3px;
}

.page-products .prod-device__group {
  display: none;
  width: 100%;
  max-width: 100%;
  margin-top: 16px;
  padding: 18px;
  border: 1px solid rgba(212, 175, 55, 0.35);
  border-radius: 6px 20px 20px 20px;
}

.page-products .prod-device__radio:checked ~ .prod-device__group--all,
.page-products .prod-device__radio:checked ~ .prod-device__group--main,
.page-products .prod-device__radio:checked ~ .prod-device__group--domestic,
.page-products .prod-device__radio:checked ~ .prod-device__group--new {
  display: block;
}

.page-products .prod-device__group--all {
  background: linear-gradient(135deg, rgba(10, 22, 40, 0.85), rgba(19, 34, 56, 0.9));
}

.page-products .prod-device__group--main {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.18), rgba(10, 22, 40, 0.9));
}

.page-products .prod-device__group--domestic {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.16), rgba(10, 22, 40, 0.9));
}

.page-products .prod-device__group--new {
  background: linear-gradient(135deg, rgba(109, 40, 217, 0.25), rgba(10, 22, 40, 0.9));
}

.page-products .prod-device__group-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--gold-300);
  margin: 0 0 14px;
}

.page-products .prod-device__table-wrap {
  overflow-x: auto;
}

.page-products .prod-device__table {
  width: 100%;
  border-collapse: collapse;
  background: rgba(10, 22, 40, 0.5);
  font-size: 0.9rem;
}

.page-products .prod-device__table th,
.page-products .prod-device__table td {
  border: 1px solid rgba(212, 175, 55, 0.28);
  padding: 10px 12px;
  line-height: 1.5;
  white-space: nowrap;
}

.page-products .prod-device__table th {
  background: rgba(212, 175, 55, 0.12);
  color: var(--gold-300);
  font-weight: 600;
  text-align: left;
}

.page-products .prod-device__table td:not(:first-child) {
  text-align: right;
  font-family: var(--font-heading);
}

.page-products .prod-device__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .prod-device__list li {
  margin-bottom: 10px;
  padding: 12px 14px;
  background: rgba(10, 22, 40, 0.5);
  border-left: 3px solid var(--gold-400);
  border-radius: 0 10px 10px 0;
  color: var(--slate-300);
  line-height: 1.7;
}

.page-products .prod-device__tip {
  margin-top: 24px;
  color: var(--slate-300);
  line-height: 1.8;
}

.page-products .prod-register__steps {
  display: grid;
  gap: 26px;
  margin-bottom: 30px;
}

.page-products .prod-register__step {
  position: relative;
  padding: 30px 24px 26px;
  border-radius: 18px;
  background: var(--cream-100);
  color: var(--ink-900);
  box-shadow: var(--shadow-card);
  border-top: 6px solid var(--gold-400);
}

.page-products .prod-register__step-no {
  position: absolute;
  top: -18px;
  left: 22px;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gold-grad);
  color: var(--navy-950);
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.page-products .prod-register__step h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  margin: 14px 0 10px;
}

.page-products .prod-register__step p {
  line-height: 1.85;
  color: rgba(26, 32, 44, 0.85);
}

.page-products .prod-register__line {
  display: none;
}

.page-products .prod-register__figure {
  margin-top: 10px;
}

.page-products .prod-register__support {
  max-width: 760px;
  margin: 24px auto 0;
  color: var(--slate-300);
  line-height: 1.8;
  text-align: center;
}

.page-products .prod-related {
  padding: 34px 0 70px;
}

.page-products .prod-related__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .prod-related__link {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  border: 1px solid rgba(212, 175, 55, 0.4);
  border-radius: 16px;
  background: var(--prod-card-bg);
  text-decoration: none;
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.page-products .prod-related__link strong {
  font-family: var(--font-heading);
  color: var(--gold-300);
  font-size: 1.2rem;
}

.page-products .prod-related__link span {
  color: var(--slate-300);
  line-height: 1.6;
  font-size: 0.9rem;
}

.page-products .prod-related__link:hover {
  transform: translateY(-4px);
  border-color: var(--gold-300);
  background: rgba(212, 175, 55, 0.1);
}

@media (hover: none) {
  .page-products .prod-tool-card__inner {
    min-height: 0;
    transform: none !important;
  }

  .page-products .prod-tool-card__face {
    position: relative;
    inset: auto;
    transform: none;
    backface-visibility: visible;
  }

  .page-products .prod-tool-card__face--back {
    margin-top: 12px;
    border-radius: 14px;
    padding: 20px;
  }
}

@media (min-width: 768px) {
  .page-products .prod-hero {
    padding: 40px 0 64px;
  }

  .page-products .prod-hero__inner {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
  }

  .page-products .prod-hero__index {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .prod-section-heading {
    flex-direction: row;
    align-items: flex-start;
    gap: 28px;
  }

  .page-products .prod-section-heading__text {
    max-width: 760px;
  }

  .page-products .prod-stable,
  .page-products .prod-tools,
  .page-products .prod-device,
  .page-products .prod-register {
    padding: 64px 0;
  }

  .page-products .prod-stable__layout {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 40px;
  }

  .page-products .prod-tool-card__inner {
    min-height: 300px;
  }

  .page-products .prod-device__layout {
    grid-template-columns: 0.8fr 1.2fr;
    gap: 36px;
  }

  .page-products .prod-device__figure {
    order: 1;
  }

  .page-products .prod-device__filter {
    order: 2;
  }

  .page-products .prod-register__steps {
    grid-template-columns: 1fr 96px 1fr;
    align-items: stretch;
    gap: 0;
  }

  .page-products .prod-register__line {
    display: block;
    position: relative;
  }

  .page-products .prod-register__line::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 6px;
    right: -6px;
    height: 2px;
    background: linear-gradient(90deg, var(--gold-400), var(--violet-500));
  }

  .page-products .prod-register__figure {
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
  }

  .page-products .prod-related__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-products .prod-hero__inner {
    grid-template-columns: 1.2fr 0.8fr;
  }

  .page-products .prod-hero__index {
    grid-template-columns: repeat(4, 1fr);
    max-width: none;
  }

  .page-products .prod-tool-panel {
    margin-top: 18px;
  }

  .page-products .prod-tool-card__inner {
    min-height: 320px;
  }

  .page-products .prod-device__layout {
    gap: 48px;
  }
}