.product-intro {
  width: min(1280px, calc(100% - 64px));
  padding-block: 72px 48px;
}
.product-heading {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  align-items: end;
  gap: 56px;
}
.product-heading h1 {
  font-size: clamp(48px, 6.4vw, 84px);
  font-weight: 650;
  line-height: 1.07;
  letter-spacing: -0.055em;
}
.product-heading h1 span {
  display: block;
}
.product-copy > p:first-child {
  max-width: 440px;
  font-size: 19px;
  line-height: 1.65;
}
.product-copy .hero-actions {
  margin-top: 24px;
  gap: 12px;
}
.product-copy .hero-availability {
  margin-top: 18px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}
.product-copy .text-link {
  margin-top: 4px;
  font-size: 13px;
}
.product-capture {
  margin-top: 52px;
}
.capture-window {
  display: block;
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid #000;
  border-radius: 42px;
  background: #000;
}
/* Frame the real capture inside its published App Store composition.
   The original JPEG is preserved, and the purchase notice remains in the caption. */
.capture-window img {
  position: absolute;
  width: 136.5%;
  max-width: none;
  height: auto;
  left: -18.25%;
  top: -22.7%;
}
.capture-caption {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px 40px;
  padding-top: 14px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}
.capture-caption strong {
  color: #000;
  font-size: 13px;
  font-weight: 650;
}
.product-demo {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  align-items: center;
  gap: 64px;
  padding-block: 64px 80px;
  border-top: 1px solid var(--line);
}
.demo-copy h2 {
  margin-top: 12px;
  font-size: clamp(30px, 3.1vw, 42px);
  line-height: 1.2;
}
.demo-copy > p:not(.section-label) {
  margin-top: 20px;
  color: var(--muted);
}
.demo-copy .text-link {
  margin-top: 18px;
}
.product-demo video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  border: 1px solid #000;
  border-radius: 16px;
  background: #fff;
}
.product-demo figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 12px;
}
@media (max-width: 1050px) {
  .product-heading { gap: 36px; }
  .product-heading h1 { font-size: clamp(42px, 6.2vw, 66px); }
  .product-copy > p:first-child { font-size: 17px; }
  .product-demo { gap: 36px; }
}
@media (max-width: 760px) {
  .product-intro {
    width: calc(100% - 40px);
    padding-block: 44px 36px;
  }
  .product-heading { grid-template-columns: 1fr; gap: 24px; }
  .product-heading h1 {
    font-size: clamp(42px, 9.5vw, 66px);
    line-height: 1.08;
  }
  .product-copy > p:first-child { max-width: 540px; font-size: 17px; }
  .product-capture { margin-top: 32px; }
  .capture-window { border-radius: 14px; }
  .capture-caption { flex-direction: column; gap: 4px; padding-top: 12px; }
  .product-demo { grid-template-columns: 1fr; gap: 28px; padding-block: 40px 44px; }
  .demo-copy h2 { font-size: 32px; }
  .product-demo video { border-radius: 12px; }
}
@media (max-width: 350px) {
  .product-heading h1 { font-size: 38px; }
  .product-copy .hero-actions { align-items: stretch; flex-direction: column; }
  .product-copy .hero-actions .button { width: 100%; }
}