.product-main { overflow: hidden; }
.product-hero {
  --product-accent: var(--teal);
  --product-wash: #dff1ec;
  padding: clamp(54px, 7vw, 104px) clamp(22px, 7vw, 112px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.68fr);
  align-items: center;
  gap: clamp(48px, 8vw, 126px);
  background:
    radial-gradient(circle at 83% 28%, color-mix(in srgb, var(--product-accent) 15%, transparent), transparent 30%),
    linear-gradient(145deg, var(--cream), var(--product-wash));
}
.product-organic { --product-accent: #e75c3b; --product-wash: #f8ddd5; }
.product-biochemistry { --product-accent: #356b98; --product-wash: #dceaf4; }
.product-physical { --product-accent: #6d527b; --product-wash: #e9e0ed; }
.breadcrumbs { margin-bottom: 38px; color: var(--muted); font-size: 0.82rem; font-weight: 750; }
.breadcrumbs a { color: var(--navy); }
.product-identity { display: flex; align-items: center; gap: 18px; margin-bottom: 24px; }
.product-icon { width: 76px; height: 76px; border-radius: 20px; box-shadow: 0 14px 32px rgba(16, 40, 59, 0.16); object-fit: cover; }
.product-identity .eyebrow { margin: 0 0 4px; color: var(--product-accent); }
.product-identity p:last-child { margin: 0; color: var(--muted); font-weight: 750; }
.product-hero h1 { max-width: 12ch; margin-bottom: 24px; font-size: clamp(3rem, 5.5vw, 5.7rem); }
.product-summary { max-width: 680px; color: #415560; font-size: clamp(1.08rem, 1.5vw, 1.3rem); line-height: 1.65; }
.product-platforms { max-width: 410px; margin: 34px 0 28px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: center; gap: 12px; }
.product-platforms .store-status { min-height: 58px; background: rgba(255,255,255,0.5); }
.product-proof { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.product-proof li { padding: 7px 12px; border: 1px solid color-mix(in srgb, var(--product-accent) 55%, white); border-radius: 999px; background: rgba(255,255,255,0.48); color: var(--navy); font-size: 0.78rem; font-weight: 800; }
.product-visual { margin: 0; position: relative; justify-self: center; }
.product-visual::before { content: ""; position: absolute; inset: 9% -18% 7%; border-radius: 50%; background: color-mix(in srgb, var(--product-accent) 16%, transparent); filter: blur(2px); }
.product-visual img { width: min(330px, 68vw); max-height: 660px; position: relative; display: block; object-fit: contain; border: 1px solid rgba(16,40,59,0.14); border-radius: 24px; background: white; box-shadow: 0 28px 75px rgba(16,40,59,0.2); }
.product-visual figcaption { max-width: 320px; margin: 18px auto 0; color: var(--muted); text-align: center; font-size: 0.8rem; }

.product-content { padding: clamp(76px, 9vw, 132px) clamp(22px, 7vw, 112px); display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(290px, 0.7fr); gap: clamp(52px, 8vw, 120px); background: var(--paper); }
.product-story { max-width: 820px; }
.product-story > p:not(.eyebrow) { color: #465962; font-size: 1.08rem; }
.topic-grid { margin-top: 42px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.topic-card { padding: 24px; border: 1px solid var(--line); border-radius: 20px; background: var(--cream); }
.topic-card span { display: inline-grid; width: 34px; height: 34px; margin-bottom: 22px; place-items: center; border-radius: 50%; background: var(--product-accent); color: white; font-size: 0.72rem; font-weight: 900; }
.topic-card h3 { font-size: 1.25rem; }
.topic-card p { margin: 0; color: var(--muted); font-size: 0.92rem; }
.product-aside { align-self: start; padding: clamp(28px, 4vw, 44px); border-radius: 28px; background: var(--navy); color: #dce5e9; box-shadow: var(--shadow); }
.product-aside h2 { color: white; font-size: 1.75rem; }
.product-aside .check-list { margin-bottom: 34px; }
.product-aside .check-list li::before { background: var(--product-accent); }
.product-aside-note { margin: 0; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.18); color: #bed0d9; font-size: 0.88rem; }

.faq-section { padding: clamp(72px, 8vw, 116px) clamp(22px, 7vw, 112px); background: var(--cream); }
.faq-wrap { max-width: 920px; margin: 0 auto; }
.faq-list { display: grid; gap: 12px; }
.faq-list details { border: 1px solid var(--line); border-radius: 18px; background: var(--paper); }
.faq-list summary { padding: 22px 26px; cursor: pointer; color: var(--navy); font-weight: 850; }
.faq-list details p { margin: 0; padding: 0 26px 24px; color: var(--muted); }

.pathway-nav { padding: 48px clamp(22px, 7vw, 112px); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; background: var(--navy); }
.pathway-link { min-height: 108px; padding: 22px 26px; border: 1px solid rgba(255,255,255,0.2); border-radius: 20px; display: grid; align-content: center; color: white; text-decoration: none; }
.pathway-link:last-child { text-align: right; }
.pathway-link small { color: #a9c0cb; font-weight: 750; }
.pathway-link strong { font-size: 1.1rem; }
.pathway-link:hover { border-color: var(--coral); background: rgba(255,255,255,0.05); }

@media (max-width: 900px) {
  .product-hero, .product-content { grid-template-columns: 1fr; }
  .product-visual img { width: min(300px, 65vw); max-height: 590px; }
  .product-aside { max-width: 720px; }
}

@media (max-width: 680px) {
  .product-hero { padding-top: 38px; }
  .breadcrumbs { margin-bottom: 26px; }
  .product-identity { align-items: flex-start; }
  .product-icon { width: 64px; height: 64px; border-radius: 17px; }
  .product-hero h1 { font-size: clamp(2.65rem, 14vw, 4rem); }
  .product-platforms, .topic-grid, .pathway-nav { grid-template-columns: 1fr; }
  .product-platforms { max-width: 230px; }
  .pathway-link:last-child { text-align: left; }
}