.product-page {
  --product-accent: var(--orange);
  --product-accent-soft: var(--orange-soft);
}

.product-commercial {
  --product-accent: var(--blue);
  --product-accent-soft: var(--blue-soft);
}

.product-hero {
  position: relative;
  overflow: hidden;
  padding: 78px 0 92px;
  background:
    radial-gradient(circle at 84% 18%, var(--product-accent-soft), transparent 34%),
    linear-gradient(180deg, #fbfcfd 0%, #f5f7f9 100%);
}

.product-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(430px, 1.1fr);
  align-items: center;
  gap: 70px;
}

.product-hero-copy h1 {
  max-width: 12ch;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(48px, 6vw, 78px);
  font-weight: 750;
  letter-spacing: -0.065em;
  line-height: 0.98;
}

.product-hero-kicker {
  margin: 0 0 18px;
  color: var(--product-accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.product-hero-copy > p:not(.product-hero-kicker):not(.hero-meta) {
  max-width: 590px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

.product-hero-copy .hero-actions {
  margin-top: 32px;
}

.product-hero-copy .hero-meta {
  margin-top: 18px;
}

.product-proof-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 24px;
  color: var(--muted);
  font-size: 13px;
}

.product-proof-row span {
  position: relative;
  padding-left: 14px;
}

.product-proof-row span::before {
  position: absolute;
  top: 0.58em;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--product-accent);
  content: "";
}

.product-hero-media {
  min-width: 0;
}

.product-poster-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 38px;
  background: var(--product-accent-soft);
  box-shadow: var(--shadow-card);
}

.product-poster-frame::after {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.56);
  border-radius: inherit;
  content: "";
  pointer-events: none;
}

.product-poster-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.release-section {
  padding: 90px 0;
  background: var(--surface);
}

.release-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  align-items: start;
  gap: 64px;
}

.release-copy h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(38px, 4.4vw, 58px);
  font-weight: 740;
  letter-spacing: -0.055em;
  line-height: 1.06;
}

.release-copy > p:not(.section-label) {
  max-width: 620px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.release-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.release-meta > div {
  min-width: 0;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-soft);
}

.release-meta span,
.spec-card-product span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.release-meta strong {
  display: block;
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.45;
  word-break: break-word;
}

.release-notes-card {
  min-width: 0;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: var(--surface-soft);
}

.release-notes-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 720;
  letter-spacing: -0.035em;
}

.notes-list {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.notes-list p {
  margin: 0;
  padding: 14px 16px;
  border: 1px solid rgba(11, 13, 16, 0.06);
  border-radius: 16px;
  color: var(--muted-strong);
  background: #fff;
  font-size: 14px;
  line-height: 1.75;
}

.capabilities-section {
  padding: 100px 0 110px;
}

.capability-grid-product {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 50px;
}

.capability-card-product {
  min-height: 220px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.82);
}

.capability-card-product h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 23px;
  font-weight: 720;
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.capability-card-product p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.78;
}

.download-section {
  padding: 100px 0;
  background: var(--surface-soft);
}

.download-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  align-items: start;
  gap: 64px;
}

.download-intro h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(38px, 4.4vw, 58px);
  font-weight: 740;
  letter-spacing: -0.055em;
  line-height: 1.06;
}

.download-intro > p:not(.section-label) {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.checksum-card {
  display: grid;
  gap: 9px;
  margin-top: 18px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
}

.checksum-card span {
  color: var(--muted);
  font-size: 12px;
}

.checksum-card code {
  color: var(--ink-soft);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  line-height: 1.6;
  word-break: break-all;
}

.download-options {
  display: grid;
  gap: 16px;
}

.download-option {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: #fff;
}

.download-tag {
  margin: 0;
  color: var(--product-accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.download-option h3 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 720;
  letter-spacing: -0.04em;
}

.download-option p:not(.download-tag) {
  max-width: 680px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.download-usage {
  display: grid;
  gap: 7px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.download-usage li {
  position: relative;
  padding-left: 16px;
  color: var(--muted-strong);
  font-size: 13px;
  line-height: 1.6;
}

.download-usage li::before {
  position: absolute;
  top: 0.68em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--product-accent);
  content: "";
}

.spec-section {
  padding: 90px 0;
  background: var(--surface);
}

.spec-grid-product {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 42px;
}

.spec-card-product {
  min-height: 132px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--surface-soft);
}

.spec-card-product strong {
  display: block;
  margin-top: 14px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.55;
}

.faq-section {
  padding: 96px 0;
  background: var(--surface-soft);
}

.faq-grid-product {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 42px;
}

.faq-item-product {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #fff;
}

.faq-item-product h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.025em;
}

.faq-item-product p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.product-page .support-section {
  padding-top: 96px;
}

@media (max-width: 1100px) {
  .product-hero-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(380px, 1.1fr);
    gap: 44px;
  }

  .release-grid,
  .download-grid {
    gap: 44px;
  }

  .capability-card-product {
    padding: 24px;
  }
}

@media (max-width: 900px) {
  .product-hero {
    padding: 62px 0 74px;
  }

  .product-hero-grid,
  .release-grid,
  .download-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .product-hero-copy h1 {
    max-width: 11ch;
    font-size: clamp(44px, 9vw, 68px);
  }

  .product-poster-frame {
    max-width: 620px;
    margin: 0 auto;
  }

  .capability-grid-product,
  .spec-grid-product {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .product-hero {
    padding: 42px 0 62px;
  }

  .product-hero-grid {
    gap: 30px;
  }

  .product-hero-copy h1 {
    font-size: clamp(40px, 12vw, 56px);
  }

  .product-hero-copy > p:not(.product-hero-kicker):not(.hero-meta) {
    margin-top: 18px;
    font-size: 15px;
  }

  .product-hero-copy .hero-actions {
    display: grid;
    gap: 12px;
    margin-top: 24px;
  }

  .product-hero-copy .hero-actions .button {
    width: 100%;
  }

  .product-proof-row {
    gap: 8px 14px;
    margin-top: 20px;
    font-size: 12px;
  }

  .product-poster-frame {
    border-radius: 28px;
  }

  .release-section,
  .capabilities-section,
  .download-section,
  .spec-section,
  .faq-section {
    padding: 72px 0;
  }

  .release-meta,
  .capability-grid-product,
  .spec-grid-product,
  .faq-grid-product {
    grid-template-columns: 1fr;
  }

  .release-notes-card {
    padding: 22px;
    border-radius: 24px;
  }

  .capability-grid-product {
    margin-top: 36px;
  }

  .capability-card-product {
    min-height: 0;
    padding: 22px;
  }

  .download-option {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 22px;
  }

  .download-option .button {
    width: 100%;
  }

  .spec-grid-product,
  .faq-grid-product {
    margin-top: 34px;
  }

  .product-page .support-section {
    padding-top: 72px;
  }
}

.qr-lightbox {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(11, 13, 16, 0.52);
  backdrop-filter: blur(18px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.qr-lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.qr-lightbox-panel {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 12px;
  width: min(500px, 92vw);
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 34px;
  background: var(--surface);
  box-shadow: 0 30px 90px rgba(11, 13, 16, 0.28);
  transform: translateY(16px) scale(0.95);
  opacity: 0;
  transition: transform 320ms cubic-bezier(0.34, 1.56, 0.64, 1), opacity 260ms ease;
}

.qr-lightbox.is-open .qr-lightbox-panel {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.qr-lightbox img {
  display: block;
  width: min(340px, 70vw);
  height: auto;
}

.qr-lightbox-title {
  margin: 0;
  font-size: 18px;
  font-weight: 750;
}

.qr-lightbox-hint {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.qr-lightbox-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  color: var(--ink);
  background: var(--surface-muted);
  cursor: pointer;
  font-size: 22px;
  line-height: 1;
}

.product-poster-zoomable {
  cursor: zoom-in;
  transition: filter 160ms ease;
}

.product-poster-zoomable:hover {
  filter: brightness(0.96);
}