/* One overview, one signature highlight, one feature catalogue. */
.product-intro { display: grid; grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr); gap: clamp(32px,4vw,80px); align-items: center; padding-block: 75px 65px; }
.features-page .product-intro h1 { font-size: clamp(36px,3.65vw,60px); line-height: 1.42; max-width: none; }
.product-intro h1 span { white-space: nowrap; }
.product-intro-copy > p { max-width: 35ch; margin-top: 28px; font-size: 16px; color: var(--muted); }
.product-intro .text-link { margin-top: 30px; color: var(--blue); font-size: 14px; }
.product-overview-image { margin: 0; min-width: 0; }
.product-overview-image img { width: 100%; height: auto; border-radius: var(--radius); }
.product-overview-image figcaption { color: var(--subtle); font-size: 12px; line-height: 1.8; margin-top: 16px; }
.product-signature { display: grid; grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr); gap: clamp(32px,4vw,80px); align-items: center; padding-block: 54px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.product-signature h2, .product-catalogue h2 { font-size: clamp(29px,2.7vw,40px); line-height: 1.45; }
.product-signature p { max-width: 37ch; font-size: 14px; line-height: 1.9; color: var(--muted); margin-top: 20px; }
.product-signature .product-signature-note { font-size: 12px; color: var(--subtle); margin-top: 14px; }
.product-signature-flow { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 32px; }
.product-signature-flow li { position: relative; }
.product-signature-flow .icon { position: absolute; left: -29px; top: 2px; width: 17px; height: 17px; color: var(--blue); }
.product-signature-flow strong { display: block; font-size: 18px; font-weight: 600; }
.product-signature-flow span { display: block; color: var(--muted); font-size: 12px; line-height: 1.8; margin-top: 12px; }
.product-catalogue { display: grid; grid-template-columns: minmax(0,.3fr) minmax(0,.7fr); gap: clamp(50px,7vw,140px); padding-block: 100px 65px; align-items: start; }
.product-catalogue-heading { position: sticky; top: 120px; }
.product-catalogue-heading > p { font-size: 15px; color: var(--muted); margin-top: 25px; line-height: 1.9; }
.product-catalogue-content { min-width: 0; }
.product-module { border-bottom: 1px solid var(--line); scroll-margin-top: 110px; }
.product-module:first-child { border-top: 1px solid var(--line); }
.product-module summary { display: grid; grid-template-columns: minmax(140px,.8fr) minmax(0,1.2fr) 20px; align-items: center; gap: 24px; min-height: 92px; padding-block: 25px; list-style: none; cursor: pointer; }
.product-module summary::-webkit-details-marker { display: none; }
.product-module summary:hover .product-module-title { color: var(--blue); }
.product-module-title { font-family: inherit; font-weight: 600; font-size: 19px; line-height: 1.6; letter-spacing: -.02em; }
.product-module-hint { font-size: 13px; line-height: 1.8; color: var(--muted); }
.product-module summary > .icon { width: 18px; height: 18px; color: var(--blue); transition: transform .2s; }
.product-module[open] summary > .icon { transform: rotate(45deg); }
.product-module[open] summary .product-module-title { color: var(--blue); }
.product-module-body { padding: 0 0 32px; }
.product-module-intro { font-size: 14px; line-height: 1.9; color: var(--muted); max-width: 65ch; margin-bottom: 26px; }
.product-module dl { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 26px 35px; margin: 0; }
.product-module dt { font-weight: 600; font-size: 14px; line-height: 1.7; }
.product-module dd { color: var(--muted); font-size: 13px; line-height: 1.9; margin: 9px 0 0; max-width: 42ch; }
.product-module-note { color: var(--subtle); font-size: 12px; line-height: 1.9; margin-top: 26px; max-width: 80ch; }
.product-planning { font-size: 13px; color: var(--muted); margin-top: 30px; line-height: 1.9; max-width: 80ch; }
.product-planning strong { display: block; color: var(--ink); font-size: 14px; font-weight: 600; margin-bottom: 10px; }
.product-next { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 0 70px; }
.product-next > p { font-size: 17px; color: var(--muted); }
.product-next .text-link { color: var(--blue); }
@media (max-width: 1100px) {
  .product-intro { grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 30px; }
  .features-page .product-intro h1 { font-size: clamp(32px,3.6vw,40px); }
  .product-module summary { grid-template-columns: 1fr 20px; gap: 7px 20px; }
  .product-module-hint { grid-row: 2; }
  .product-module summary > .icon { grid-column: 2; grid-row: 1 / 3; }
  .product-signature-flow { gap: 24px; }
  .product-signature-flow .icon { left: -24px; width: 15px; height: 15px; }
}
@media (max-width: 800px) {
  .product-intro { grid-template-columns: 1fr; gap: 35px; padding-block: 55px 45px; }
  .features-page .product-intro h1 { font-size: clamp(34px,5vw,48px); }
  .product-intro-copy > p { max-width: 48ch; }
  .product-overview-image { max-width: 680px; }
  .product-signature { grid-template-columns: 1fr; gap: 36px; padding-block: 42px; }
  .product-signature p { max-width: 52ch; }
  .product-signature-flow { max-width: 650px; gap: 36px; }
  .product-signature-flow .icon { left: -32px; }
  .product-catalogue { grid-template-columns: 1fr; gap: 35px; padding-block: 65px 45px; }
  .product-catalogue-heading { position: static; }
  .product-catalogue-heading h2 br { display: none; }
  .product-catalogue-heading > p { margin-top: 17px; }
  .product-catalogue-heading > p br { display: none; }
  .product-module summary { grid-template-columns: minmax(140px,.7fr) minmax(0,1.3fr) 20px; gap: 20px; }
  .product-module-hint { grid-row: auto; }
  .product-module summary > .icon { grid-column: auto; grid-row: auto; }
}
@media (max-width: 600px) {
  .product-intro { padding-top: 42px; gap: 30px; }
  .features-page .product-intro h1 { font-size: clamp(27px,6.8vw,36px); line-height: 1.5; }
  .product-intro-copy > p { margin-top: 23px; font-size: 14px; max-width: 40ch; }
  .product-intro .text-link { margin-top: 24px; font-size: 13px; }
  .product-overview-image figcaption { font-size: 12px; margin-top: 12px; }
  .product-signature h2, .product-catalogue h2 { font-size: 28px; }
  .product-signature-flow { gap: 26px; }
  .product-signature-flow strong { font-size: 16px; }
  .product-signature-flow span { font-size: 12px; margin-top: 8px; }
  .product-signature-flow .icon { left: -25px; top: 3px; }
  .product-catalogue-heading > p { font-size: 14px; }
  .product-module summary { grid-template-columns: 1fr 18px; gap: 8px 18px; min-height: 100px; padding-block: 22px; }
  .product-module-title { font-size: 18px; }
  .product-module-hint { grid-row: 2; font-size: 12px; }
  .product-module summary > .icon { grid-column: 2; grid-row: 1 / 3; }
  .product-module dl { grid-template-columns: 1fr; gap: 24px; }
  .product-module-intro, .product-module dt { font-size: 14px; }
  .product-module-body { padding-bottom: 28px; }
  .product-planning { font-size: 12px; }
  .product-next { display: block; padding-bottom: 50px; }
  .product-next > p { font-size: 15px; }
  .product-next .text-link { margin-top: 20px; font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) { .product-module summary > .icon { transition: none; } }