/* Product detail surfaces — Observable workflow, Living Data Lab. */
.product-page {
  --product-accent: var(--primary);
  --product-accent-deep: #3730a3;
  --product-signal: var(--accent);
  --product-cube-gutter: max(0.75rem, calc((100vw - 80rem) / 2));
  background: #fff;
  color: #111827;
  scroll-snap-type: none;
}

.product-page.product-page--arianne {
  --product-accent: #f97316;
  --product-accent-deep: #c2410c;
  --product-signal: #4f46e5;
}

.product-page.product-page--whattaflow {
  --product-accent: #0f766e;
  --product-accent-deep: #115e59;
  --product-signal: #a3e635;
}

.product-page,
.product-page body {
  scroll-snap-type: none;
}

.product-page section,
.product-page footer {
  display: block;
  width: 100%;
  height: auto;
  min-height: 0;
  padding: 0;
  scroll-snap-align: none;
  scroll-snap-stop: normal;
}

.product-page .skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: #111827;
  color: #fff;
  transform: translateY(-150%);
}

.product-page .skip-link:focus {
  transform: translateY(0);
}

.product-page .product-shell {
  width: min(calc(100% - 2rem), 80rem);
  margin-inline: auto;
  position: relative;
  z-index: 4;
}

/* Keep the shared cube field as an edge signal on reading-heavy product pages. */
.product-page .site-cube-scene canvas {
  -webkit-mask-image: linear-gradient(
    to right,
    #000 0,
    transparent var(--product-cube-gutter),
    transparent calc(100% - var(--product-cube-gutter)),
    #000 100%
  );
  mask-image: linear-gradient(
    to right,
    #000 0,
    transparent var(--product-cube-gutter),
    transparent calc(100% - var(--product-cube-gutter)),
    #000 100%
  );
}

.product-page .product-nav {
  position: sticky !important;
  top: 0;
  border-bottom: 1px solid rgb(17 24 39 / 9%);
}

.product-page .product-nav__brand {
  color: #111827;
  font-size: clamp(1rem, 1.8vw, 1.5rem);
  line-height: 1;
  text-decoration: none;
}

.product-page .product-nav__brand img {
  width: 2rem;
  height: 2rem;
}

.product-page .product-nav__context {
  margin-left: 0.8rem;
  padding-left: 0.8rem;
  border-left: 1px solid #d1d5db;
  color: #4b5563;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.product-page .product-hero {
  min-height: calc(100svh - 4.9rem);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: clamp(3.5rem, 7vh, 5rem) 0 clamp(3.5rem, 7vh, 5rem);
  background: rgb(255 255 255 / 88%);
}

.product-page .product-hero__grid {
  display: grid;
  grid-template-columns: minmax(18rem, 0.78fr) minmax(38rem, 1.22fr);
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: center;
}

.product-page .product-hero__copy {
  position: relative;
  z-index: 5;
}

.product-page .product-mark {
  display: block;
  width: auto;
  max-width: min(68%, 17rem);
  max-height: 3.75rem;
  margin-bottom: clamp(2rem, 5vh, 3.5rem);
  object-fit: contain;
  object-position: left center;
}

.product-page--whattadocs .product-mark {
  max-width: min(78%, 19rem);
  max-height: 4.25rem;
}

.product-page .product-docs-mark {
  display: flex;
  width: fit-content;
  align-items: center;
  gap: clamp(0.75rem, 1.5vw, 1rem);
  margin-bottom: clamp(2rem, 5vh, 3.5rem);
  color: #111827;
}

.product-page .product-docs-mark img {
  width: clamp(3.65rem, 5vw, 4.6rem);
  height: auto;
  flex: none;
}

.product-page .product-docs-mark span {
  font-size: clamp(2rem, 3.6vw, 3rem);
  font-weight: 720;
  letter-spacing: -0.035em;
  line-height: 1;
}

.product-page .product-flow-mark {
  position: relative;
  width: fit-content;
  display: flex;
  align-items: baseline;
  margin-bottom: clamp(2rem, 5vh, 3.5rem);
  color: #111827;
  font-size: clamp(1.7rem, 3vw, 2.7rem);
  letter-spacing: -0.035em;
  line-height: 1;
}

.product-page .product-flow-mark span {
  font-weight: 350;
}

.product-page .product-flow-mark strong {
  color: #0f766e;
  font-weight: 760;
}

.product-page .product-flow-mark i {
  width: 0.55rem;
  height: 0.55rem;
  margin-left: 0.45rem;
  background: var(--product-signal);
}

.product-page h1,
.product-page h2,
.product-page h3 {
  color: #111827;
  text-wrap: balance;
}

.product-page h1 {
  max-width: 10ch;
  font-size: clamp(3.15rem, 6vw, 6rem);
  font-weight: 400;
  letter-spacing: -0.038em;
  line-height: 0.96;
}

.product-page .product-hero__copy > p {
  max-width: 34rem;
  margin-top: 1.6rem;
  color: #4b5563;
  font-size: clamp(1.05rem, 1.45vw, 1.3rem);
  line-height: 1.55;
}

.product-page .product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
  align-items: center;
  margin-top: 2rem;
}

.product-page .product-action {
  display: inline-flex;
  min-height: 3.25rem;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.85rem 1.2rem;
  background: var(--product-accent);
  color: #fff;
  font-size: 0.94rem;
  font-weight: 750;
  line-height: 1;
  text-decoration: none;
  transition: background-color 180ms ease, transform 180ms ease;
}

.product-page .product-action svg {
  width: 1rem;
  height: 1rem;
  flex: none;
}

.product-page .product-action:hover {
  background: var(--product-accent-deep);
  transform: translateY(-2px);
}

.product-page .product-action--signal {
  background: var(--accent);
  color: #111827;
}

.product-page .product-action--signal:hover {
  background: #bef264;
}

.product-page .product-text-link {
  color: #3730a3;
  font-size: 0.94rem;
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.25em;
}

.product-page--arianne .product-text-link {
  color: #c2410c;
}

.product-page .product-hero-shot {
  position: relative;
  z-index: 4;
  width: 100%;
  aspect-ratio: 16 / 10;
  display: grid;
  place-items: center;
  margin: 0;
  padding: clamp(0.65rem, 1.4vw, 1.15rem);
  overflow: hidden;
  border: 1px solid rgb(79 70 229 / 34%);
  background: #f5f5f7;
}

.product-page--arianne .product-hero-shot {
  border-color: rgb(249 115 22 / 38%);
  background: #fff8f3;
}

.product-page--whattadocs .product-hero-shot {
  background: #111827;
}

.product-page--whattaflow .product-hero-shot {
  border-color: rgb(15 118 110 / 40%);
  background: #f8fafc;
}

.product-page .product-hero-shot img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  object-position: center;
}

.product-page .section-space {
  padding: clamp(5.5rem, 11vw, 9rem) 0;
}

.product-page .section-space--mist {
  background: #f5f5f7;
}

.product-page .section-space--dark {
  background: #111827;
  color: #fff;
}

.product-page .section-heading {
  max-width: 15ch;
  font-size: clamp(2.5rem, 5vw, 4.8rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1;
}

.product-page .audience-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: clamp(3rem, 7vw, 5.5rem);
  border-top: 1px solid #d1d5db;
  border-bottom: 1px solid #d1d5db;
}

.product-page .audience-panel {
  padding: clamp(2rem, 4vw, 3.5rem) clamp(1.5rem, 4vw, 3.5rem) clamp(2rem, 4vw, 3.5rem) 0;
}

.product-page .audience-panel + .audience-panel {
  padding-right: 0;
  padding-left: clamp(1.5rem, 4vw, 3.5rem);
  border-left: 1px solid #d1d5db;
}

.product-page .audience-panel h3 {
  max-width: 14ch;
  font-size: clamp(1.8rem, 3vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.product-page .audience-panel > p {
  max-width: 39ch;
  margin-top: 1rem;
  color: #4b5563;
}

.product-page .mechanism-heading,
.product-page .section-space--dark .section-heading,
.product-page .section-space--dark h3 {
  color: #fff;
}

.product-page .mechanism-heading {
  max-width: 17ch;
}

.product-page .mechanism-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: clamp(3rem, 7vw, 5rem);
  border-top: 1px solid rgb(255 255 255 / 24%);
  border-bottom: 1px solid rgb(255 255 255 / 24%);
}

.product-page .mechanism-step {
  min-height: 15rem;
  padding: 1.5rem 1.4rem;
}

.product-page .mechanism-step + .mechanism-step {
  border-left: 1px solid rgb(255 255 255 / 24%);
}

.product-page .mechanism-step__signal {
  width: 0.65rem;
  height: 0.65rem;
  margin-bottom: 3.5rem;
  background: var(--product-signal);
}

.product-page .mechanism-step h3 {
  font-size: 1.2rem;
  font-weight: 700;
}

.product-page .mechanism-step p {
  margin-top: 0.75rem;
  color: #d1d5db;
  font-size: 0.9rem;
  line-height: 1.55;
}

.product-page .capability-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(24rem, 1.28fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: start;
}

.product-page .capability-list {
  border-top: 1px solid #d1d5db;
}

.product-page .capability-item {
  display: grid;
  grid-template-columns: minmax(10rem, 0.55fr) minmax(0, 1fr);
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid #d1d5db;
}

.product-page .capability-item h3 {
  font-size: 1.05rem;
  font-weight: 750;
}

.product-page .capability-item p {
  color: #4b5563;
  font-size: 0.94rem;
}

.product-page .product-close {
  background: var(--product-accent);
  color: #fff;
}

.product-page .product-close .product-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: end;
  padding-top: clamp(5rem, 10vw, 8rem);
  padding-bottom: clamp(5rem, 10vw, 8rem);
}

.product-page .product-close h2 {
  max-width: 12ch;
  color: #fff;
  font-size: clamp(3rem, 6.5vw, 6rem);
  font-weight: 400;
  letter-spacing: -0.038em;
  line-height: 0.96;
}

.product-page .product-close p {
  max-width: 50ch;
  margin-top: 1.4rem;
  color: rgb(255 255 255 / 86%);
  font-size: clamp(1rem, 1.5vw, 1.2rem);
}

.product-page--arianne .product-action {
  color: #111827;
}

.product-page--arianne .product-action:hover {
  background: #fb923c;
}

.product-page--arianne .product-close,
.product-page--arianne .product-close h2 {
  color: #111827;
}

.product-page--arianne .product-close p {
  color: #1f2937;
}

.product-page .product-close .product-action {
  min-width: 13rem;
  background: #fff;
  color: #111827;
}

.product-page .product-close .product-action:hover {
  background: #f5f5f7;
}

.product-page--whattadocs .product-close .product-action {
  background: var(--accent);
}

.product-page--whattadocs .product-close .product-action:hover {
  background: #bef264;
}

.product-page .product-footer {
  position: relative;
  z-index: 4;
  min-height: 0;
  padding: 2rem 0;
  background: #111827;
  color: #d1d5db;
}

.product-page .product-footer__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  font-size: 0.82rem;
}

.product-page .product-footer a {
  color: #bef264;
  text-underline-offset: 0.25em;
}

@media (max-width: 1100px) {
  .product-page .product-hero__grid {
    grid-template-columns: minmax(16rem, 0.72fr) minmax(34rem, 1.28fr);
    gap: 2rem;
  }
}

@media (max-width: 960px) {
  .product-page .site-cube-scene [data-cube-layer="front"],
  .product-page .site-cube-scene [data-cube-layer="overlay"] {
    display: none;
  }

  .product-page .site-cube-scene [data-cube-layer="back"],
  .product-page .site-cube-scene [data-cube-layer="middle"] {
    opacity: 0.72;
  }

  .product-page .product-hero {
    min-height: 0;
  }

  .product-page .product-hero__grid,
  .product-page .capability-layout {
    grid-template-columns: 1fr;
  }

  .product-page .product-hero__copy {
    max-width: 46rem;
  }
  .product-page .product-close .product-shell {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .product-page .product-close .product-action {
    justify-self: start;
  }
}

@media (min-width: 761px) and (max-width: 960px) {
  .product-page .product-hero {
    min-height: calc(100svh - 4.9rem);
    padding: 2.25rem 0;
  }

  .product-page .product-hero__grid {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    gap: 1.25rem;
  }

  .product-page .product-mark,
  .product-page .product-docs-mark,
  .product-page .product-flow-mark {
    margin-bottom: 1.25rem;
  }

  .product-page .product-flow-mark {
    font-size: 1.7rem;
  }

  .product-page h1 {
    font-size: 3rem;
  }

  .product-page .product-hero__copy > p {
    margin-top: 1rem;
    font-size: 1rem;
    line-height: 1.45;
  }

  .product-page .product-actions {
    margin-top: 1.25rem;
  }

}

@media (max-width: 760px) {
  .product-page .product-nav__context {
    display: none;
  }

  .product-page .product-hero {
    padding-top: 3.5rem;
  }

  .product-page h1 {
    font-size: clamp(3rem, 15vw, 4.5rem);
  }

  .product-page .product-mark {
    margin-bottom: 2rem;
  }

  .product-page .product-docs-mark {
    margin-bottom: 2rem;
  }

  .product-page .audience-grid,
  .product-page .mechanism-grid {
    grid-template-columns: 1fr;
  }

  .product-page .audience-panel + .audience-panel,
  .product-page .mechanism-step + .mechanism-step {
    border-left: 0;
    border-top: 1px solid #d1d5db;
  }

  .product-page .audience-panel,
  .product-page .audience-panel + .audience-panel {
    padding: 2rem 0;
  }

  .product-page .mechanism-step + .mechanism-step {
    border-top-color: rgb(255 255 255 / 24%);
  }

  .product-page .mechanism-step {
    min-height: 0;
    padding: 1.5rem 0;
  }

  .product-page .mechanism-step__signal {
    margin-bottom: 1.5rem;
  }

  .product-page .capability-item {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .product-page .product-footer__row {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .product-page .site-cube-scene [data-cube-layer="middle"] {
    display: none;
  }

  .product-page .site-cube-scene [data-cube-layer="back"] {
    opacity: 0.58;
  }

  .product-page .product-shell {
    width: min(calc(100% - 1.5rem), 80rem);
  }

  .product-page .product-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .product-page .product-action {
    width: 100%;
  }

}

@media (prefers-reduced-motion: reduce) {
  .product-page .product-action {
    transition: none;
  }
}