.page-products {
  color: var(--c-text);
  font-family: var(--font-body);
  line-height: 1.65;
  overflow-x: hidden;
}

/* ===== Hero ===== */
.page-products .products-hero {
  position: relative;
  background: linear-gradient(148deg, var(--c-bg-deep) 0%, var(--c-bg) 62%, var(--c-panel) 100%);
  padding: 88px var(--gutter) 0;
  border-bottom: 1px solid var(--c-border);
}
.page-products .products-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--c-accent) 0%, var(--c-accent) 70%, var(--c-border) 70%, var(--c-border) 100%);
}
.page-products .products-hero::after {
  content: "V4.2";
  position: absolute;
  top: 18%;
  right: 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(4rem, 15vw, 9.5rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--c-border);
  opacity: .55;
  pointer-events: none;
  transform: rotate(-8deg);
  z-index: 0;
}
.page-products .products-hero .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  max-width: var(--shell);
  margin: 0 auto 42px;
  color: var(--c-muted);
  font-size: .8rem;
  position: relative;
  z-index: 2;
}
.page-products .products-hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--shell);
  margin: 0 auto;
  padding-bottom: 72px;
}
.page-products .products-hero-main {
  max-width: 720px;
}
.page-products .products-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.8rem, 5vw, 3.4rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 16px 0 20px;
  color: var(--c-text);
}
.page-products .products-hero-desc {
  color: var(--c-muted);
  font-size: 1rem;
  max-width: 600px;
}
.page-products .products-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.page-products .products-hero-actions .btn,
.page-products .products-hero-actions .btn-outline {
  min-width: 146px;
  justify-content: center;
}
.page-products .products-hero-side {
  display: none;
  position: absolute;
  right: -18px;
  bottom: 72px;
  z-index: 2;
}

/* ===== Version strip ===== */
.page-products .version-strip {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: var(--shell);
  margin: 0 auto;
  background: var(--c-panel);
  border: 1px solid var(--c-border);
  border-left: none;
  border-right: none;
  border-bottom: none;
}
.page-products .version-strip-item {
  padding: 18px 16px 20px;
  position: relative;
  border-bottom: 1px solid var(--c-border);
  background: linear-gradient(135deg, transparent 72%, rgba(0, 255, 136, 0.05) 100%);
}
.page-products .version-strip-item:nth-child(odd) {
  border-right: 1px solid var(--c-border);
}
.page-products .version-strip-item:last-child {
  border-bottom: none;
}
.page-products .version-strip-item.is-current-version {
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.08), transparent 70%);
}
.page-products .version-strip-item.is-current-version::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: var(--c-accent);
}
.page-products .version-strip-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.28rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--c-accent);
}
.page-products .version-strip-label {
  display: block;
  color: var(--c-accent-soft);
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin: 4px 0 6px;
}
.page-products .version-strip-gist {
  display: block;
  color: var(--c-muted);
  font-size: .82rem;
}
.page-products .version-strip-date {
  display: block;
  color: var(--c-muted);
  font-size: .76rem;
  margin-top: 2px;
}
.page-products .version-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 6px;
  background: var(--c-accent);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(0, 255, 136, .6);
  animation: pageProductsPulse 1.6s ease-in-out infinite;
}

/* ===== Section head ===== */
.page-products .section-head {
  display: flex;
  flex-direction: column;
  margin-bottom: 40px;
  position: relative;
}
.page-products .section-kicker {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 8px;
}
.page-products .section-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--c-text);
  margin: 0;
}
.page-products .section-desc {
  color: var(--c-muted);
  font-size: .95rem;
  max-width: 660px;
  margin-top: 10px;
}

/* ===== Functions ===== */
.page-products .functions-section {
  padding: 76px var(--gutter) 64px;
  max-width: var(--shell);
  margin: 0 auto;
}
.page-products .products-main-shot {
  margin: 0 0 56px;
  position: relative;
}
.page-products .products-main-shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow);
}
.page-products .products-main-shot figcaption {
  margin-top: 10px;
  color: var(--c-muted);
  font-size: .82rem;
  letter-spacing: .04em;
}
.page-products .functions-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
.page-products .function-menu {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.page-products .function-menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 16px;
  background: var(--c-panel);
  color: var(--c-text);
  text-decoration: none;
  font-weight: 600;
  font-size: .92rem;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  transition: transform .28s ease, background-color .28s ease, box-shadow .28s ease;
  box-shadow: inset 0 0 0 var(--c-accent);
}
.page-products .function-menu-item:hover,
.page-products .function-menu-item:focus-visible {
  background: var(--c-bg-deep);
  box-shadow: inset 3px 0 0 var(--c-accent);
  transform: translateX(4px);
}
.page-products .function-menu-icon {
  width: 22px;
  height: 22px;
  color: var(--c-accent);
  flex-shrink: 0;
}
.page-products .function-menu-index {
  font-family: var(--font-display);
  color: var(--c-muted);
  font-size: .8rem;
  margin-left: auto;
}
.page-products .function-menu-arrow {
  color: var(--c-accent-soft);
  font-size: .9rem;
}
.page-products .function-details {
  min-width: 0;
}
.page-products .function-panel {
  padding: 34px 0 52px;
  border-bottom: 1px solid var(--c-border);
}
.page-products .function-panel:first-child {
  padding-top: 4px;
}
.page-products .function-panel:last-child {
  border-bottom: 1px solid var(--c-border);
}
.page-products .function-panel-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}
.page-products .function-panel-head h3 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
  color: var(--c-text);
  margin: 0;
}
.page-products .function-panel p {
  color: var(--c-muted);
  font-size: .95rem;
  max-width: 60ch;
}
.page-products .function-points {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.page-products .function-points li {
  position: relative;
  padding-left: 22px;
  color: var(--c-text);
  font-size: .9rem;
}
.page-products .function-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .5em;
  width: 8px;
  height: 8px;
  background: var(--c-accent);
  transform: rotate(45deg);
}
.page-products .function-figure {
  margin: 22px 0 0;
}
.page-products .function-figure img {
  display: block;
  width: 100%;
  max-width: 620px;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--c-border);
}
.page-products .progress-demo {
  margin: 20px 0 0;
  padding: 18px;
  background: var(--c-bg-deep);
  border: 1px solid var(--c-border);
  max-width: 620px;
}
.page-products .progress-demo-track {
  height: 14px;
  background: var(--c-panel);
  overflow: hidden;
  position: relative;
}
.page-products .progress-demo-fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--c-accent), var(--c-accent-soft));
  width: 68%;
  transform-origin: left center;
  animation: pageProductsDemo 2.6s ease-out forwards;
}
.page-products .progress-demo-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  color: var(--c-muted);
  font-size: .8rem;
}

/* ===== Version timeline ===== */
.page-products .versions-section {
  background: var(--c-bg-deep);
  padding: 76px var(--gutter) 72px;
  position: relative;
}
.page-products .versions-section::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 120px;
  height: 4px;
  background: var(--c-accent);
}
.page-products .versions-section .section-head {
  max-width: var(--shell);
  margin-left: auto;
  margin-right: auto;
}
.page-products .versions-track {
  max-width: var(--shell);
  margin: 0 auto;
  overflow-x: auto;
  padding-bottom: 16px;
  scrollbar-width: thin;
  scrollbar-color: var(--c-accent) var(--c-bg-deep);
}
.page-products .version-timeline {
  display: flex;
  gap: 22px;
  min-width: 920px;
  padding-top: 40px;
  position: relative;
}
.page-products .version-timeline::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 8px;
  height: 2px;
  background: linear-gradient(90deg, var(--c-border), var(--c-accent) 40%, var(--c-border));
}
.page-products .version-timeline-item {
  flex: 1;
  position: relative;
  min-width: 0;
}
.page-products .version-timeline-node {
  position: absolute;
  top: 0;
  left: 0;
  width: 18px;
  height: 18px;
  background: var(--c-bg-deep);
  border: 3px solid var(--c-accent);
  transform: rotate(45deg);
  z-index: 1;
  transition: background .3s ease, transform .3s ease;
}
.page-products .version-timeline-item:hover .version-timeline-node {
  background: var(--c-accent);
  transform: rotate(135deg);
}
.page-products .version-timeline-item.is-current .version-timeline-node {
  background: var(--c-alert);
  border-color: var(--c-alert);
}
.page-products .version-timeline-card {
  margin-top: 32px;
  padding: 20px;
  background: var(--c-panel);
  border: 1px solid var(--c-border);
  min-height: 176px;
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: background .3s ease, transform .3s ease;
}
.page-products .version-timeline-item:hover .version-timeline-card {
  background: var(--c-bg);
  transform: translateY(-4px);
}
.page-products .version-timeline-version {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.2rem;
  color: var(--c-accent);
  letter-spacing: -0.02em;
}
.page-products .version-timeline-version-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}
.page-products .version-timeline-card h3 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1rem;
  color: var(--c-text);
  margin: 8px 0 6px;
}
.page-products .version-timeline-card p {
  color: var(--c-muted);
  font-size: .82rem;
  margin: 0;
  line-height: 1.55;
}

/* ===== Devices ===== */
.page-products .devices-section {
  padding: 76px var(--gutter) 64px;
  max-width: var(--shell);
  margin: 0 auto;
}
.page-products .devices-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-bottom: 36px;
}
.page-products .device-card {
  position: relative;
  padding: 28px 24px;
  background: linear-gradient(150deg, var(--c-panel), var(--c-bg) 75%);
  border: 1px solid var(--c-border);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
  transition: transform .3s ease, background .3s ease;
}
.page-products .device-card:hover {
  transform: translateY(-4px);
  background: linear-gradient(150deg, var(--c-bg-deep), var(--c-panel) 75%);
}
.page-products .device-card-icon {
  font-size: 2.2rem;
  line-height: 1;
  display: block;
  margin-bottom: 12px;
}
.page-products .device-card h3 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.3rem;
  margin: 0 0 4px;
  color: var(--c-text);
}
.page-products .device-card .tag {
  margin: 6px 0 14px;
}
.page-products .device-card p {
  color: var(--c-muted);
  font-size: .9rem;
  max-width: 52ch;
}
.page-products .device-card ul {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
  display: grid;
  gap: 6px;
}
.page-products .device-card li {
  position: relative;
  padding-left: 18px;
  font-size: .87rem;
  color: var(--c-text);
}
.page-products .device-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .5em;
  width: 7px;
  height: 7px;
  background: var(--c-accent-soft);
  transform: rotate(45deg);
}
.page-products .devices-figure {
  margin: 0 auto;
  max-width: 320px;
}
.page-products .devices-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow);
}

/* ===== Download ===== */
.page-products .download-section {
  padding: 76px var(--gutter) 76px;
  max-width: var(--shell);
  margin: 0 auto;
  position: relative;
}
.page-products .download-acquire {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-bottom: 32px;
}
.page-products .download-fingerprint {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  color: var(--c-accent);
  background: radial-gradient(circle, rgba(0, 255, 136, 0.08) 0%, transparent 70%);
  border: 1px solid var(--c-border);
  padding: 28px 0;
}
.page-products .download-fingerprint svg {
  width: 120px;
  height: 120px;
}
.page-products .download-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.page-products .download-step {
  position: relative;
  padding: 22px 18px 22px 56px;
  background: var(--c-panel);
  border: 1px solid var(--c-border);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}
.page-products .download-step-num {
  position: absolute;
  left: 14px;
  top: 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.2rem;
  color: var(--c-accent);
  opacity: .7;
}
.page-products .download-step h3 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1rem;
  color: var(--c-text);
  margin: 0 0 6px;
}
.page-products .download-step p {
  color: var(--c-muted);
  font-size: .85rem;
  margin: 0;
  line-height: 1.55;
}
.page-products .checksum-panel {
  padding: 28px 24px;
  background: var(--c-bg-deep);
  border: 1px solid var(--c-border);
  position: relative;
  overflow: hidden;
}
.page-products .checksum-panel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: var(--c-accent);
}
.page-products .checksum-label {
  display: block;
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-accent-soft);
  margin-bottom: 8px;
}
.page-products .checksum-value {
  display: block;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: .88rem;
  color: var(--c-accent);
  word-break: break-all;
  background: rgba(0, 0, 0, 0.35);
  padding: 12px 14px;
  border: 1px dashed var(--c-border);
  margin: 0 0 14px;
}
.page-products .checksum-note {
  color: var(--c-muted);
  font-size: .82rem;
  max-width: 60ch;
}
.page-products .checksum-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ===== Data ===== */
.page-products .data-section {
  background: linear-gradient(160deg, var(--c-panel) 0%, var(--c-bg-deep) 100%);
  padding: 76px var(--gutter) 76px;
}
.page-products .data-grid {
  max-width: var(--shell);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
.page-products .data-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.page-products .stat-item {
  position: relative;
  padding: 20px 16px;
  background: rgba(11, 30, 58, 0.7);
  border: 1px solid var(--c-border);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}
.page-products .stat-item::after {
  content: "";
  position: absolute;
  right: 12px;
  top: 12px;
  width: 10px;
  height: 10px;
  background: var(--c-accent);
  opacity: .5;
  transform: rotate(45deg);
}
.page-products .stat-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  line-height: 1;
  color: var(--c-accent);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.page-products .stat-label {
  display: block;
  color: var(--c-muted);
  font-size: .78rem;
  line-height: 1.4;
}
.page-products .data-chart {
  margin: 0;
}
.page-products .data-chart img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow);
}

/* ===== Trust ===== */
.page-products .trust-section {
  padding: 72px var(--gutter) 88px;
  background: linear-gradient(140deg, var(--c-bg-deep) 0%, var(--c-bg) 70%, var(--c-panel) 100%);
  position: relative;
  overflow: hidden;
}
.page-products .trust-section::before {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 260px;
  height: 260px;
  border: 2px solid var(--c-border);
  transform: rotate(45deg);
}
.page-products .trust-inner {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}
.page-products .trust-inner .section-kicker {
  display: block;
}
.page-products .trust-inner h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.6rem, 3.4vw, 2.6rem);
  color: var(--c-text);
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}
.page-products .trust-inner p {
  color: var(--c-muted);
  font-size: .95rem;
  max-width: 620px;
  margin: 0 auto 28px;
}
.page-products .trust-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}
.page-products .trust-links .btn-outline {
  min-width: 160px;
  justify-content: center;
}

/* ===== Keyframes ===== */
@keyframes pageProductsPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .55; transform: scale(.82); }
}
@keyframes pageProductsDemo {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

/* ===== Tablet ===== */
@media (min-width: 640px) {
  .page-products .version-strip {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-products .version-strip-item:nth-child(odd) {
    border-right: 1px solid var(--c-border);
  }
  .page-products .version-strip-item:nth-child(n+4) {
    border-bottom: none;
  }
  .page-products .function-points {
    grid-template-columns: 1fr 1fr;
  }
  .page-products .download-steps {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .page-products .download-acquire {
    grid-template-columns: 180px 1fr;
  }
  .page-products .download-fingerprint svg {
    width: 130px;
    height: 130px;
  }
  .page-products .data-stats {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ===== Desktop ===== */
@media (min-width: 1024px) {
  .page-products .products-hero {
    padding-top: 118px;
  }
  .page-products .products-hero-inner {
    display: flex;
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    padding-bottom: 84px;
  }
  .page-products .products-hero-main {
    max-width: 760px;
  }
  .page-products .products-hero-side {
    display: block;
  }
  .page-products .functions-layout {
    grid-template-columns: 280px 1fr;
    gap: 56px;
    align-items: start;
  }
  .page-products .function-menu {
    position: sticky;
    top: 120px;
  }
  .page-products .function-details {
    min-width: 0;
  }
  .page-products .devices-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
  .page-products .devices-figure {
    max-width: 360px;
  }
  .page-products .data-grid {
    grid-template-columns: 1.1fr 1fr;
    gap: 48px;
    align-items: center;
  }
  .page-products .data-stats {
    grid-template-columns: 1fr 1fr;
  }
}