.page-products {
  position: relative;
  color: var(--text);
  background: var(--bg);
}

.page-products__hero {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 7vw, 96px) 0 clamp(32px, 5vw, 64px);
  background:
    radial-gradient(900px 420px at 85% -10%, rgba(0, 217, 255, 0.2), transparent 55%),
    radial-gradient(760px 360px at -10% 12%, rgba(0, 76, 255, 0.24), transparent 52%),
    linear-gradient(180deg, #070b16 0%, #0c1322 100%);
}

.page-products__hero::before {
  content: "";
  position: absolute;
  top: -90px;
  right: -40px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(0, 217, 255, 0.18), transparent 66%);
  pointer-events: none;
}

.page-products__hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan) 25%, var(--orange) 75%, transparent);
  opacity: 0.7;
}

.page-products__hero-inner {
  position: relative;
  z-index: 1;
}

.page-products__breadcrumb {
  margin-bottom: 28px;
}

.page-products__breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
  color: var(--text-soft);
}

.page-products__breadcrumb li + li::before {
  content: " / ";
  margin: 0 8px;
  color: var(--text-soft);
}

.page-products__breadcrumb a {
  color: var(--cyan);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-products__breadcrumb a:hover {
  color: var(--orange);
  text-decoration: underline;
}

.page-products__hero-kicker {
  margin: 0 0 12px;
  font-family: var(--display-font);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products__hero-title {
  margin: 0 0 20px;
  font-family: var(--display-font);
  font-size: clamp(2rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-products__hero-title span {
  display: block;
  background: linear-gradient(92deg, var(--cyan), var(--grad-end));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-products__hero-summary {
  max-width: 66ch;
  margin: 0;
  color: var(--text-soft);
  font-size: clamp(0.94rem, 1.6vw, 1.08rem);
  line-height: 1.85;
}

.page-products__hero-facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin: 28px 0 0;
}

.page-products__hero-facts > div {
  padding: 14px 16px;
  background: linear-gradient(180deg, rgba(19, 26, 42, 0.8), rgba(10, 14, 26, 0.55));
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
}

.page-products__hero-facts dt {
  margin: 0 0 6px;
  color: var(--text-soft);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.page-products__hero-facts dd {
  margin: 0;
  font-family: var(--display-font);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text);
}

.page-products__toc {
  padding-top: clamp(36px, 5vw, 64px);
}

.page-products__toc-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 20px;
}

.page-products__toc-index {
  font-family: var(--display-font);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
  border: 1px solid var(--orange);
  border-radius: 999px;
  padding: 4px 12px;
}

.page-products__toc-head h2 {
  margin: 0;
  font-family: var(--display-font);
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  color: var(--text);
}

.page-products__toc-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products__toc-item {
  min-width: 0;
}

.page-products__toc-card {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  min-height: 78px;
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  color: var(--text);
  text-decoration: none;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.page-products__toc-card:hover,
.page-products__toc-card:focus-visible {
  background: var(--surface-2);
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-products__toc-code {
  font-family: var(--display-font);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--cyan);
  min-width: 26px;
}

.page-products__toc-name {
  font-weight: 600;
  font-size: 0.96rem;
}

.page-products__toc-meta {
  flex: 1 1 100%;
  color: var(--text-soft);
  font-size: 0.82rem;
  padding-left: 42px;
}

.page-products__tip {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  transform: translate(-50%, 6px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  padding: 8px 12px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  font-size: 0.76rem;
  line-height: 1.4;
  white-space: nowrap;
  z-index: 10;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.page-products__toc-card:hover .page-products__tip,
.page-products__toc-card:focus-visible .page-products__tip {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

.page-products__manual {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  padding-top: clamp(32px, 5vw, 56px);
  padding-bottom: clamp(48px, 7vw, 88px);
}

.page-products__sidebar {
  display: none;
}

.page-products__chapters {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  min-width: 0;
}

.page-products__feature {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: clamp(20px, 3vw, 40px);
  background-color: var(--surface);
  background-image: linear-gradient(180deg, rgba(19, 26, 42, 0.72), rgba(10, 14, 26, 0.4));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.page-products__feature::before {
  content: "";
  position: absolute;
  top: -70px;
  right: -30px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(0, 217, 255, 0.12), transparent 68%);
  pointer-events: none;
}

.page-products__feature-copy {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.page-products__feature-kicker {
  margin: 0 0 8px;
  font-family: var(--display-font);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products__feature-copy h2 {
  margin: 0 0 16px;
  font-family: var(--display-font);
  font-size: clamp(1.35rem, 2.6vw, 2.05rem);
  line-height: 1.24;
  color: var(--text);
}

.page-products__feature-copy p {
  margin: 0 0 16px;
  color: var(--text-soft);
  line-height: 1.8;
  max-width: 62ch;
}

.page-products__feature-list {
  display: grid;
  gap: 10px;
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.page-products__feature-list li {
  position: relative;
  padding-left: 24px;
  color: var(--text);
  line-height: 1.65;
}

.page-products__feature-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(0, 217, 255, 0.55);
}

.page-products__feature-note {
  margin-top: 4px;
}

.page-products__feature-media {
  position: relative;
  z-index: 1;
  margin: 0;
}

.page-products__feature-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-s);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.22);
}

.page-products__feature-media figcaption {
  margin-top: 10px;
  color: var(--text-soft);
  font-size: 0.82rem;
  line-height: 1.6;
}

.page-products .callout {
  border-left: 3px solid var(--orange);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  background: var(--orange-soft);
  padding: 12px 14px;
  color: var(--text);
}

.page-products .callout--neutral {
  border-left-color: var(--cyan);
  background: var(--cyan-soft);
}

.page-products .callout p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.6;
}

.page-products__switch-demo {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.page-products__switch-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-products__switch-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  cursor: pointer;
}

.page-products__switch-label::after {
  content: "↻";
  font-size: 1rem;
  transition: transform 0.2s ease;
}

.page-products__switch-input:checked + .page-products__switch-label::after {
  content: "↺";
}

.page-products__switch-input:focus-visible + .page-products__switch-label {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.page-products__switch-hint {
  margin: 0 0 8px;
  color: var(--text-soft);
  font-size: 0.84rem;
  line-height: 1.6;
}

.page-products__demo-stage {
  position: relative;
  margin-top: 14px;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.page-products__demo {
  padding: 18px;
  transition: opacity 0.35s ease, transform 0.35s ease, filter 0.35s ease;
}

.page-products__demo--now {
  position: relative;
}

.page-products__demo--old {
  position: absolute;
  inset: 0;
  padding: 18px;
  background: #121828;
  opacity: 0;
  visibility: hidden;
  transform: translateX(10px);
  pointer-events: none;
}

.page-products__switch-input:checked ~ .page-products__demo-stage .page-products__demo--old {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

.page-products__switch-input:checked ~ .page-products__demo-stage .page-products__demo--now {
  filter: grayscale(0.7) brightness(0.72);
  transform: scale(0.99);
}

.page-products__demo-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: -18px -18px 16px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  background: rgba(10, 14, 26, 0.55);
}

.page-products__demo--old .page-products__demo-bar {
  background: rgba(8, 12, 22, 0.7);
}

.page-products__demo-logo {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--cyan);
  border-radius: 8px;
  font-family: var(--display-font);
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--cyan);
}

.page-products__demo--old .page-products__demo-logo {
  border-color: #8fa3b8;
  color: #8fa3b8;
}

.page-products__demo-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}

.page-products__demo--old .page-products__demo-name {
  color: #b8c4d4;
}

.page-products__demo-tag {
  margin-left: auto;
  padding: 2px 10px;
  border: 1px solid var(--orange);
  border-radius: 999px;
  color: var(--orange);
  font-size: 0.68rem;
}

.page-products__demo--old .page-products__demo-tag {
  border-color: #8fa3b8;
  color: #8fa3b8;
}

.page-products__demo-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.6fr;
}

.page-products__demo-side {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 4px 14px 4px 0;
  border-right: 1px solid var(--line);
  margin-right: 14px;
}

.page-products__demo--old .page-products__demo-side {
  border-color: rgba(160, 180, 200, 0.25);
}

.page-products__demo-cell {
  display: block;
  height: 12px;
  border-radius: 6px;
  background: rgba(176, 184, 204, 0.25);
}

.page-products__demo-cell--accent {
  background: rgba(0, 217, 255, 0.35);
}

.page-products__demo--old .page-products__demo-cell {
  background: rgba(220, 230, 240, 0.22);
}

.page-products__demo-list {
  display: grid;
  gap: 10px;
}

.page-products__demo-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(31, 42, 68, 0.5);
  font-size: 0.8rem;
}

.page-products__demo-row span:last-child {
  color: var(--cyan);
  font-size: 0.72rem;
}

.page-products__demo--old .page-products__demo-row {
  background: rgba(37, 44, 68, 0.7);
  border-color: rgba(160, 180, 200, 0.25);
  color: #c6d0dd;
}

.page-products__demo--old .page-products__demo-row span:last-child {
  color: #8fa3b8;
}

.page-products__stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 0;
}

.page-products__stat-grid > div {
  padding: 18px 16px;
  text-align: center;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
}

.page-products__stat-grid dt {
  margin: 0 0 8px;
  font-family: var(--display-font);
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  font-weight: 800;
  line-height: 1;
  color: var(--cyan);
}

.page-products__stat-grid dd {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.8rem;
}

.page-products__feature-media--wide img {
  max-height: 540px;
  object-fit: cover;
}

.page-products__related {
  padding-top: clamp(28px, 4vw, 56px);
  padding-bottom: clamp(48px, 7vw, 88px);
}

.page-products__related-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 20px;
}

.page-products__related-index {
  font-family: var(--display-font);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid var(--cyan);
  border-radius: 999px;
  padding: 4px 12px;
}

.page-products__related-head h2 {
  margin: 0;
  font-family: var(--display-font);
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  color: var(--text);
}

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

.page-products__related-card {
  display: block;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  color: var(--text);
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.page-products__related-card:hover,
.page-products__related-card:focus-visible {
  background: var(--surface-2);
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-products__related-code {
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--display-font);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-products__related-name {
  display: block;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.page-products__related-desc {
  color: var(--text-soft);
  font-size: 0.86rem;
  line-height: 1.6;
}

@media (min-width: 720px) {
  .page-products__hero-facts {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products__toc-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products__related-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .page-products__feature {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    gap: clamp(28px, 5vw, 56px);
  }

  .page-products__feature--flip .page-products__feature-media {
    order: 1;
  }

  .page-products__feature--flip .page-products__feature-copy {
    order: 2;
  }

  .page-products__feature--wide {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  }

  .page-products__feature--data {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-products__feature--data .page-products__feature-media {
    grid-column: 1 / -1;
  }

  .page-products__feature-media--wide img {
    max-height: 560px;
  }
}

@media (min-width: 1024px) {
  .page-products__manual {
    grid-template-columns: 220px minmax(0, 1fr);
    align-items: start;
  }

  .page-products__sidebar {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 24px);
    padding: 20px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
  }

  .page-products__sidebar-title {
    display: block;
    margin-bottom: 14px;
    font-family: var(--display-font);
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--cyan);
  }

  .page-products__sidebar-list {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .page-products__sidebar-list li + li {
    margin-top: 8px;
  }

  .page-products__sidebar-list a {
    display: block;
    padding: 9px 12px;
    border-radius: 10px;
    color: var(--text-soft);
    font-size: 0.88rem;
    text-decoration: none;
    transition: background 0.2s ease, color 0.2s ease;
  }

  .page-products__sidebar-list a:hover,
  .page-products__sidebar-list a:focus-visible {
    background: var(--surface-2);
    color: var(--cyan);
  }

  .page-products__sidebar-note {
    margin: 18px 0 0;
    padding-top: 16px;
    border-top: 1px solid var(--line);
    color: var(--text-soft);
    font-size: 0.8rem;
    line-height: 1.7;
  }
}

@media (min-width: 1080px) {
  .page-products__toc-list {
    grid-template-columns: repeat(3, 1fr);
  }
}