/* Product page: thumbnail arrows and the long-form sections below the buy area. */

.thumbs-col { display: flex; flex-direction: column; align-items: center; gap: 10px; min-width: 0; }
.thumbs-col .thumbs { max-height: 640px; overflow-y: auto; scrollbar-width: none; scroll-behavior: smooth; padding-top: 0; gap: 30px; width: 100%; }
.thumbs-col .thumbs::-webkit-scrollbar { display: none; }
.thumb-arrow { border: 0; background: none; cursor: pointer; font-size: 18px; color: var(--muted); padding: 4px; }
.thumb-arrow.down svg { transform: rotate(180deg); }

.pdp-extra { max-width: 1560px; margin: 90px auto 0; }
.px-section { margin-bottom: 90px; }

.px-hero { display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center; background: #f5f5f7; border-radius: 22px; padding: 56px 66px; }
.px-hero > * { min-width: 0; }
.px-eyebrow { font-size: 13px; font-weight: 700; letter-spacing: 2.5px; color: var(--brand); }
.px-hero h2 { font-size: clamp(30px, 3vw, 46px); line-height: 1.12; margin: 14px 0 18px; letter-spacing: -1px; }
.px-lead { font-size: 21px; margin: 0 0 16px; }
.px-rating { font-size: 15px; margin-bottom: 18px; }
.px-rating span { color: #e3a52b; letter-spacing: 2px; }
.px-hero p { font-size: 17px; line-height: 1.8; color: #333; }
.px-chips { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.px-chips span { background: #fff; border-radius: 999px; padding: 12px 20px; font-weight: 700; font-size: 16px; }
.px-hero-img { background: var(--card); border-radius: 16px; aspect-ratio: 1; }
.px-hero-img img { width: 100%; height: 100%; object-fit: contain; }

.px-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.px-features article { background: #f5f5f7; border-radius: 22px; padding: 20px 20px 34px; }
.px-features .img { background: var(--card); border-radius: 14px; aspect-ratio: 1; overflow: hidden; }
.px-features img { width: 100%; height: 100%; object-fit: cover; }
.px-features h3 { font-size: 23px; margin: 30px 10px 12px; }
.px-features p { color: var(--muted); font-size: 16px; line-height: 1.75; margin: 0 10px; }

.px-stats { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: 18px; margin-top: 34px; }
.px-stats div { text-align: center; padding: 30px 10px 26px; border-left: 1px solid var(--line); }
.px-stats div:first-child { border: 0; }
.px-stats b { display: block; font-size: 34px; font-weight: 800; }
.px-stats small { font-size: 17px; font-weight: 700; }
.px-stats span { color: var(--muted); font-size: 15px; }

.px-promise { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; border: 1px solid #d9d4c7; background: #f6f3ef; border-radius: 22px; padding: 28px 70px 28px 28px; }
.px-promise .img { aspect-ratio: 725 / 635; border-radius: 6px; background-size: cover; background-position: center; }
.px-tag { display: inline-block; background: #7f9a86; color: #fff; font-size: clamp(24px, 2.2vw, 36px); font-weight: 800; padding: 6px 22px; border-radius: 2px; }
.px-promise h3 { font-size: 24px; margin: 26px 0 18px; }
.px-promise p { color: #444; font-size: 17px; line-height: 1.8; }
.px-promise ul { list-style: none; padding: 0; margin: 24px 0 30px; display: grid; gap: 16px; }
.px-promise li { display: flex; align-items: center; gap: 16px; font-weight: 700; font-size: 17px; }
.px-promise li i { width: 58px; height: 58px; border-radius: 50%; background: #ece8e1; display: flex; align-items: center; justify-content: center; font-size: 26px; font-style: normal; flex: none; }

.px-range { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.px-range a { background: #f5f5f7; border-radius: 22px; padding: 20px 20px 30px; display: flex; flex-direction: column; }
.px-range a.current { box-shadow: inset 0 0 0 2px var(--brand); }
.px-range .img { background: var(--card); border-radius: 14px; aspect-ratio: 1; }
.px-range img { width: 100%; height: 100%; object-fit: contain; }
.px-range h4 { color: var(--brand); font-size: 21px; margin: 26px 10px 10px; line-height: 1.35; }
.px-range small { color: var(--muted); font-size: 16px; margin: 0 10px; }
.px-range .row { display: flex; gap: 14px; align-items: baseline; margin: auto 10px 0; padding-top: 30px; flex-wrap: wrap; }
.px-range .row b { font-size: 19px; }
.px-range .row span { color: var(--muted); font-size: 16px; }

.px-foot { background: #f5f5f7; border-radius: 22px; padding: 70px 30px 44px; text-align: center; }
.px-foot-title { color: #555; font-size: 21px; margin: 0 0 50px; }
.px-foot-row { display: flex; justify-content: center; align-items: flex-end; gap: 80px; flex-wrap: wrap; }
.px-foot-row > div { display: flex; flex-direction: column; align-items: center; }
.px-foot-row .box { border: 3px solid var(--ink); border-radius: 6px; background: #fff; margin-bottom: 26px; }
.px-foot-row .current .box { border-color: var(--brand); background: #e7efec; }
.px-foot-row strong { font-size: 22px; }
.px-foot-row .current strong { color: var(--brand); }
.px-foot-row em { font-style: normal; font-size: 20px; color: #555; font-weight: 600; margin-top: 6px; }
.px-foot-note { color: #666; font-size: 15px; margin: 40px 0 0; }

.px-compare { border: 1px solid var(--line); border-radius: 22px; overflow-x: auto; }
.px-compare table { width: 100%; border-collapse: collapse; min-width: 640px; }
.px-compare th, .px-compare td { padding: 20px; border-top: 1px solid var(--line); text-align: center; font-size: 16px; }
.px-compare thead th { border-top: 0; padding: 40px 20px 24px; vertical-align: bottom; }
.px-compare thead img { width: 148px; height: 148px; object-fit: contain; background: var(--card); border-radius: 12px; margin: 0 auto 16px; }
.px-compare thead a { display: block; color: var(--brand); font-size: 19px; font-weight: 800; }
.px-compare tbody th { text-align: left; font-weight: 700; width: 26%; }
.px-compare .ok { color: #1c8a2e; font-size: 20px; }

.px-faq { border-top: 1px solid var(--line); }
.px-faq details { border-bottom: 1px solid var(--line); }
.px-faq summary { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 24px 0; font-size: 20px; font-weight: 700; cursor: pointer; list-style: none; }
.px-faq summary::-webkit-details-marker { display: none; }
.px-faq summary span { color: var(--brand); font-size: 24px; transform: rotate(180deg); transition: transform .2s; }
.px-faq details[open] summary span { transform: none; }
.px-faq p { margin: 0 0 24px; color: #444; font-size: 17px; line-height: 1.75; max-width: 1000px; }

.px-article { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; background: #f5f5f7; border-radius: 22px; padding: 20px; }
.px-article .img { position: relative; border-radius: 14px; aspect-ratio: 735 / 490; background-size: cover; background-position: center; }
.px-article h3 { font-size: 26px; margin: 0 0 20px; }
.px-article p { color: #555; font-size: 17px; margin: 0 0 30px; }
.px-article:hover h3 { text-decoration: underline; }
.pdp-reviews { margin-top: 80px; }

/* Same ~15–20% smaller scale as compact.css */
@media (min-width: 901px) {
  .px-section { margin-bottom: 70px; }
  .px-hero { padding: 44px 54px; }
  .px-hero h2 { font-size: clamp(26px, 2.5vw, 40px); }
  .px-lead { font-size: 18px; }
  .px-hero p, .px-promise p, .px-faq p, .px-article p { font-size: 15.5px; }
  .px-chips span { font-size: 14.5px; padding: 10px 18px; }
  .px-features h3 { font-size: 19px; margin-top: 22px; }
  .px-features p { font-size: 14.5px; }
  .px-stats b { font-size: 28px; }
  .px-tag { font-size: clamp(22px, 1.9vw, 30px); }
  .px-promise h3 { font-size: 20px; }
  .px-promise li { font-size: 15px; }
  .px-promise li i { width: 48px; height: 48px; font-size: 22px; }
  .px-range h4 { font-size: 18px; }
  .px-range small, .px-range .row span { font-size: 14px; }
  .px-foot-title { font-size: 18px; }
  .px-foot-row strong { font-size: 19px; }
  .px-foot-row em { font-size: 17px; }
  .px-compare th, .px-compare td { font-size: 14.5px; padding: 16px; }
  .px-compare thead a { font-size: 16px; }
  .px-faq summary { font-size: 17px; padding: 20px 0; }
  .px-article h3 { font-size: 22px; }
}
@media (max-width: 1200px) {
  .px-hero, .px-promise, .px-article { grid-template-columns: 1fr; padding: 28px; gap: 28px; }
  .px-range { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .thumbs-col { flex-direction: row; order: 2; }
  .thumbs-col .thumbs { flex-direction: row; max-height: none; overflow-x: auto; gap: 10px; }
  .thumb-arrow { display: none; }
  .pdp-extra { margin-top: 50px; }
  .px-section { margin-bottom: 50px; }
  .px-hero, .px-promise, .px-article { padding: 18px; border-radius: 16px; }
  .px-lead { font-size: 17px; }
  .px-features { grid-template-columns: 1fr; gap: 16px; }
  .px-stats { grid-template-columns: repeat(2, 1fr); }
  .px-stats div:nth-child(3) { border-left: 0; }
  .px-stats div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .px-range { grid-template-columns: 1fr 1fr; gap: 12px; }
  .px-range a { padding: 12px 12px 18px; border-radius: 14px; }
  .px-range h4 { font-size: 15px; margin: 14px 4px 6px; }
  .px-foot { padding: 40px 16px 30px; }
  .px-foot-row { gap: 30px; }
  .px-faq summary { font-size: 16px; }
}