/* Product page layout. Sections follow the HTML reading order; do not reorder with flex. */
.product-main { display: block; }
.product-main > section { scroll-margin-top: 108px; }
.product-main [id] { scroll-margin-top: 112px; }
.product-main .page-hero { padding-top: 88px; padding-bottom: 64px; }
.product-main .page-hero h1 { max-width: 21ch; font-size: clamp(38px, 5.1vw, 66px); line-height: 1.08; }
.product-main .page-hero .lead { max-width: 66ch; font-size: 19px; }
.product-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.product-jump-links { display: flex; flex-wrap: wrap; gap: 12px 26px; margin-top: 38px; padding-top: 24px; border-top: 1px solid var(--sp-line); }
.product-jump-links a { padding: 5px 0; color: var(--sp-blue); font-size: 14px; font-weight: 600; text-decoration: underline; text-underline-offset: 5px; text-decoration-color: transparent; }
.product-jump-links a:hover { text-decoration-color: currentColor; }

.product-patch-section { padding: 80px 0; background: linear-gradient(150deg, #ecf4fe 0%, #f7fbff 68%, #edf8f5 100%); }
.product-patch-intro { display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.product-patch-label { display: flex; align-items: center; gap: 14px; margin-bottom: 25px; color: var(--sp-blue); }
.product-patch-label > span { font-size: 18px; line-height: 1.3; }
.product-patch-label strong { font-family: var(--display); font-size: 25px; letter-spacing: -.04em; }
.product-patch-label small { display: block; margin-top: 4px; font-size: 14px; font-weight: 500; color: var(--sp-muted); }
.product-patch-copy h2 { max-width: 21ch; font-size: clamp(32px, 3.8vw, 48px); line-height: 1.1; }
.product-patch-copy .lead { margin: 24px 0 18px; font-size: 19px; color: var(--sp-navy); }
.product-patch-copy > p { max-width: 62ch; font-size: 16px; line-height: 1.75; }
.patch-reading-flow { display: flex; align-items: center; flex-wrap: wrap; gap: 9px; padding-top: 13px; color: var(--sp-blue); font-size: 14px; font-weight: 600; }
.patch-reading-flow [aria-hidden] { color: var(--sp-teal-dark); }

.product-patch-screen, .product-tracking-screen { margin: 0; padding: 24px; border: 1px solid var(--sp-line); border-radius: 28px; background: #fff; box-shadow: 0 18px 48px rgba(11,63,143,.09); }
.product-screen-heading { display: flex; align-items: center; gap: 9px; margin: 0 0 18px; color: var(--sp-blue); font-size: 14px; font-weight: 600; }
.product-screen-heading > span { width: 8px; height: 8px; flex: 0 0 auto; border-radius: 50%; background: #147d73; }
.product-patch-screen > img { width: 100%; height: auto; border: 1px solid var(--sp-line); border-radius: 16px; }
.product-patch-screen figcaption, .product-tracking-screen figcaption { margin-top: 18px; color: var(--sp-muted); font-size: 14px; line-height: 1.65; }
.patch-question-section { margin-top: 54px; }
.patch-question-heading h3 { font-size: 25px; margin-bottom: 8px; }
.patch-question-heading > p { font-size: 15px; color: var(--sp-muted); }
.patch-question-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 24px; }
.patch-question-grid article { padding: 28px; border: 1px solid var(--sp-line); border-radius: 20px; background: rgba(255,255,255,.88); }
.patch-question-label { display: block; color: var(--sp-teal-dark); font-size: 14px; font-weight: 600; margin-bottom: 12px; }
.patch-question-grid h4 { font-size: 20px; font-weight: 600; line-height: 1.45; max-width: 32ch; }
.patch-question-grid p { margin: 12px 0 0; font-size: 16px; line-height: 1.7; }
.product-ai-note { margin: 30px 0 0; padding: 20px 0 0; border-top: 1px solid var(--sp-line); color: var(--sp-muted); font-size: 14px; line-height: 1.75; }
.product-ai-note strong { color: var(--sp-blue); }
.product-ai-note a { color: var(--sp-blue); text-decoration: underline; text-underline-offset: 3px; white-space: normal; }

.product-tracking-section { padding: 88px 0; background: #fff; }
.product-tracking-grid { display: grid; grid-template-columns: 1fr 1.15fr; align-items: center; gap: clamp(28px, 4vw, 56px); }
.product-tracking-copy h2 { font-size: clamp(32px, 3.8vw, 48px); line-height: 1.12; max-width: 21ch; }
.product-tracking-copy .lead { margin-top: 22px; font-size: 18px; }
.product-tracking-copy > p:not(.lead):not(.tracking-review-note) { font-size: 16px; line-height: 1.75; }
.tracking-capabilities { display: grid; margin-top: 28px; }
.tracking-capabilities article { display: grid; grid-template-columns: 30px minmax(0, 1fr); gap: 16px; border-top: 1px solid var(--sp-line); padding: 18px 0; }
.tracking-capabilities article > span { padding-top: 3px; font-size: 14px; color: var(--sp-teal-dark); font-weight: 600; }
.tracking-capabilities h3 { margin-bottom: 5px; font-size: 19px; }
.tracking-capabilities p { margin: 0; font-size: 16px; line-height: 1.65; }
.tracking-review-note { margin: 14px 0 0; font-size: 14px; color: var(--sp-muted); }
.product-tracking-grid { grid-template-columns: 1fr 1fr; grid-template-areas: "intro preview" "details preview"; align-items: start; gap: 0 48px; }
.product-tracking-copy { grid-area: intro; }
.nutrition-details { grid-area: details; min-width: 0; }
.nutrition-preview { grid-area: preview; min-width: 0; margin: 0; align-self: center; padding: 26px; border: 1px solid var(--sp-line); border-radius: 26px; background: linear-gradient(150deg, #ecf4fe, #fff 70%, #edf8f5); box-shadow: 0 18px 46px rgba(11,63,143,.08); }
.nutrition-preview-heading { display: flex; flex-wrap: wrap; gap: 8px 16px; justify-content: space-between; align-items: center; margin-bottom: 22px; color: var(--sp-blue); font-size: 16px; font-weight: 600; }
.nutrition-preview-heading small { font-size: 12px; font-weight: 500; padding: 4px 9px; border-radius: 20px; background: white; color: var(--sp-muted); }
.nutrition-preview > img { display: block; width: 100%; height: auto; border-radius: 16px; border: 1px solid var(--sp-line); }
.nutrition-preview figcaption { margin-top: 24px; }
.nutrition-preview figcaption strong { display: block; color: var(--sp-navy); font-size: 20px; line-height: 1.4; }
.nutrition-preview figcaption p { margin: 8px 0 0; color: var(--sp-muted); font-size: 15px; line-height: 1.65; }
.nutrition-demo-link { display: flex; justify-content: space-between; align-items: center; gap: 14px; margin-top: 22px; padding: 16px 0 0; border-top: 1px solid var(--sp-line); color: var(--sp-blue); font-size: 15px; font-weight: 600; line-height: 1.5; }
.nutrition-demo-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.nutrition-demo-link > span { flex-shrink: 0; }
@media (max-width: 900px) {
  .product-tracking-grid { grid-template-columns: minmax(0, 1fr); grid-template-areas: "intro" "preview" "details"; gap: 26px; }
  .nutrition-preview { width: 100%; max-width: 620px; justify-self: center; }
  .nutrition-details .tracking-capabilities { margin-top: 0; }
}
@media (max-width: 600px) {
  .nutrition-preview { padding: 18px; border-radius: 22px; }
  .nutrition-preview-heading { margin-bottom: 16px; }
  .nutrition-preview figcaption { margin-top: 18px; }
  .nutrition-preview figcaption strong { font-size: 19px; }
}
.product-main .language-feature { padding: 80px 0; background: #f7fbff; }
.product-main .language-feature-copy h2 { font-size: clamp(32px, 3.7vw, 46px); }
.product-main .language-review-note { font-size: 14px; }

.product-main .core-modules-section { padding: 84px 0; background: #fff; }
.product-module-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.product-module-grid .card { display: flex; flex-direction: column; min-width: 0; padding: 26px 22px; background: linear-gradient(155deg, #fff, #f3f8ff); border-color: var(--sp-line); box-shadow: 0 8px 22px rgba(11,63,143,.045); }
.product-module-grid .icon { margin-bottom: 20px; color: var(--sp-blue); background: var(--sp-ice); box-shadow: none; }
.product-module-grid .card:nth-child(even) .icon { color: var(--sp-teal-dark); background: var(--sp-care-tint); }
.product-module-grid .card h3 { min-height: 2.6em; font-size: 20px; line-height: 1.3; margin-bottom: 13px; }
.product-module-grid .card p { margin: 0; font-size: 16px; line-height: 1.7; }
.product-main .audience-section { padding: 72px 0 40px; background: #f7fbff; }
.product-main .audience-section h2 { font-size: clamp(27px, 2.8vw, 36px); line-height: 1.2; }
.product-main .audience-section .big-card { padding: 36px; }
.product-main .audience-section .tick { font-size: 16px; }
.product-main .security-section { padding: 32px 0; background: #f7fbff; }
.product-main .product-security-card { padding: 40px; }
.product-main .walkthrough-section { padding: 48px 0 88px; background: #f7fbff; }
.product-main .walkthrough-section .callout { margin: 0; }
.product-main .walkthrough-section .tick { font-size: 16px; }
.product-main a:focus-visible { outline: 3px solid var(--sp-action); outline-offset: 5px; }

@media (max-width: 1100px) {
  .product-module-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-module-grid .card h3 { min-height: 0; }
  .product-patch-intro, .product-tracking-grid { gap: 32px; }
}
@media (max-width: 820px) {
  .product-patch-intro, .product-tracking-grid { grid-template-columns: minmax(0, 1fr); }
  .product-patch-screen { width: 100%; max-width: 430px; justify-self: center; }
  .product-patch-copy h2, .product-tracking-copy h2 { max-width: 24ch; }
  .product-tracking-screen { max-width: 370px; }
  .product-main .audience-section .grid-2 { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 600px) {
  .product-main .container { width: calc(100% - 40px); }
  .product-main .page-hero { padding: 54px 0 42px; }
  .product-main .page-hero h1 { font-size: clamp(34px, 8.8vw, 48px); line-height: 1.1; }
  .product-main .page-hero .lead { font-size: 17px; }
  .product-hero-actions { display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .product-hero-actions .btn { width: 100%; min-width: 0; }
  .product-jump-links { gap: 10px 22px; margin-top: 27px; padding-top: 20px; }
  .product-patch-section, .product-tracking-section, .product-main .language-feature, .product-main .core-modules-section { padding: 52px 0; }
  .product-patch-copy h2, .product-tracking-copy h2 { font-size: clamp(29px, 7.8vw, 38px); }
  .product-patch-copy .lead { font-size: 18px; }
  .patch-reading-flow { gap: 6px 9px; font-size: 14px; }
  .product-patch-screen, .product-tracking-screen { padding: 18px; border-radius: 22px; }
  .patch-question-section { margin-top: 38px; }
  .patch-question-heading h3 { font-size: 23px; }
  .patch-question-grid, .product-module-grid { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .patch-question-grid article { padding: 22px; }
  .patch-question-grid h4 { font-size: 19px; }
  .product-module-grid .card { padding: 26px; }
  .product-main .audience-section { padding-top: 46px; padding-bottom: 20px; }
  .product-main .audience-section .big-card, .product-main .product-security-card { padding: 25px; }
  .product-main .product-security-card .grid-2 { grid-template-columns: minmax(0, 1fr); gap: 14px !important; }
  .product-main .product-security-card h2 { font-size: 29px; line-height: 1.16; }
  .product-main .walkthrough-section { padding-top: 28px; padding-bottom: 58px; }
  .product-main .walkthrough-section .callout { padding: 28px 24px; }
  .product-main .walkthrough-section .actions { display: grid; grid-template-columns: minmax(0, 1fr); }
  .product-main .walkthrough-section .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .product-main *, .product-main *::before, .product-main *::after { animation: none !important; transition: none !important; }
}