/* Itsu: a visual explanation, built on the approved ItsuCara identity. */
.itsu-page .wrap { max-width: 1440px; }
.itsu-page .site-nav a[aria-current="page"] { text-decoration: underline; }
.itsu-page .section { padding-block: clamp(4rem, 7vw, 7rem); }
.itsu-page .section-label { font-size: .875rem; letter-spacing: .07em; }
.itsu-page .micro { font-size: .875rem; letter-spacing: .07em; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; font-size: .875rem; color: var(--muted); }
.breadcrumbs a { display: inline-flex; align-items: center; min-height: 44px; }
.itsu-hero { padding-top: .75rem; padding-bottom: 1.5rem; }
.itsu-hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(2rem, 5vw, 5rem); align-items: center; padding-block: 3.75rem 4rem; }
.itsu-hero-copy { min-width: 0; }
.itsu-page-logo { width: min(100%, 600px); height: auto; margin: 2rem auto 0; }
.itsu-eyebrow { color: var(--muted); }
.itsu-hero h1 { font-family: var(--serif); font-size: clamp(2rem, 3.55vw, 3.25rem); line-height: 1.7; letter-spacing: -.04em; margin-block: 1.5rem; }
.itsu-lead { font-size: 1.125rem; line-height: 2; }
.itsu-hero-description { margin-top: 1.25rem; color: var(--muted); font-size: 1rem; line-height: 2; }
.foundation-map { min-width: 0; margin: 0; padding: 2rem; background: #eae7df; }
.map-label { text-align: center; font-size: .875rem; margin-bottom: 1.5rem; color: var(--muted); }
.map-services { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; text-align: center; }
.map-services > div { padding: 1.25rem .25rem; background: var(--paper); border: 1px solid #b9b5aa; }
.map-services span { display: block; font-size: 1rem; }
.map-services small { display: block; font-size: .875rem; color: var(--muted); margin-top: .5rem; }
.map-connections { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; height: 2rem; }
.map-connections i { border-left: 1px solid #8b877c; justify-self: center; }
.map-foundation { border-top: 3px solid var(--ink); padding: 1.25rem 1rem 1.5rem; background: var(--paper); text-align: center; }
.map-foundation img { width: 240px; margin: 0 auto; }
.map-foundation > p { font-size: .875rem; margin-top: .5rem; }
.map-foundation ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .5rem 1rem; list-style: none; padding: 1rem 0 0; margin: 1rem 0 0; border-top: 1px solid var(--line); color: var(--muted); font-size: .875rem; }
.foundation-map figcaption { font-size: .8125rem; text-align: center; margin-top: 1.25rem; color: var(--muted); }
.itsu-jump-links { display: flex; flex-wrap: wrap; gap: 1rem 3rem; border-block: 1px solid var(--line); padding-block: .5rem; }
.itsu-jump-links a { display: inline-flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: 48px; font-size: .875rem; text-decoration: none; }
.itsu-jump-links a:hover { text-decoration: underline; }
.case-heading { display: flex; align-items: end; justify-content: space-between; gap: 3rem; margin-block: 3rem; }
.case-heading > p { max-width: 32rem; color: var(--muted); font-size: 1rem; line-height: 2; }
.itsu-cases { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4rem 3rem; }
.itsu-products { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 3rem; }
.itsu-product-card { min-width: 0; display: flex; flex-direction: column; align-items: flex-start; gap: 1rem; }
.itsu-product-card .app-heading { width: 100%; flex-wrap: wrap; }
.itsu-product-card .app-summary { margin: 0; }
.itsu-product-status { font-size: .875rem; color: var(--muted); }
.itsu-product-card .app-primary-link { margin-top: auto; }
.itsu-cases article { min-width: 0; }
.case-feature { grid-column: 1 / -1; display: grid; grid-template-columns: 1.3fr 1fr; align-items: center; gap: 3.5rem; }
.case-photo { margin: 0; min-width: 0; }
.case-photo img { width: 100%; height: auto; aspect-ratio: 800 / 533; }
.case-photo figcaption { font-size: .75rem; color: var(--muted); margin-top: .625rem; }
.case-copy .micro { color: var(--muted); }
.case-copy h3 { font-family: var(--serif); font-size: clamp(1.5rem, 2.6vw, 2.5rem); line-height: 1.7; margin-block: 1rem 1.25rem; }
.case-copy > p:not(.micro) { font-size: 1rem; line-height: 2; color: var(--muted); max-width: 34em; }
.case-foundation { border-top: 1px solid var(--line); margin-top: 1.5rem; padding-top: 1rem; }
.case-foundation > span { font-size: .875rem; }
.case-foundation > p { font-size: .875rem; color: var(--muted); margin-top: .5rem; }
.case-secondary .case-copy { padding-top: 1.5rem; }
.case-secondary h3 { font-size: clamp(1.5rem, 2.1vw, 2rem); }
.case-compact { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1.2fr; gap: 2rem; padding-block: 1.5rem; border-block: 1px solid var(--line); align-items: center; }
.case-compact .micro { color: var(--muted); }
.case-compact h3 { font-family: var(--serif); font-size: 1.5rem; margin-top: .5rem; }
.case-compact > p { color: var(--muted); font-size: 1rem; }
.case-product-link { font-size: .875rem; color: var(--muted); margin-top: 1.5rem; }
.case-product-link a { display: inline-flex; min-height: 44px; align-items: center; gap: 1rem; color: var(--ink); margin-left: .75rem; }
.itsu-dark { background: var(--ink); color: var(--paper); --line: #585951; --muted: #c1c1b6; }
.itsu-dark .micro { color: #b8b9ad; }
.why-layout { display: grid; grid-template-columns: 1fr 1.1fr; gap: 5rem; align-items: center; }
.why-copy h2 { margin-block: 2rem; }
.why-copy > p:not(.micro) { font-size: 1rem; color: var(--muted); line-height: 2; }
.why-copy > p + p { margin-top: 1rem; }
.itsu-issues article { display: flex; gap: 1.5rem; border-top: 1px solid var(--line); padding-block: 1.75rem; }
.itsu-issues article:last-child { border-bottom: 1px solid var(--line); }
.issue-number { font-size: .875rem; color: var(--muted); }
.itsu-issues h3 { font-size: 1.125rem; }
.itsu-issues p { font-size: 1rem; color: var(--muted); margin-top: .5rem; }
.itsu-mechanisms { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2.5rem; align-items: start; }
.mechanism { min-width: 0; border-top: 1px solid var(--line); padding-top: 1.5rem; }
.mechanism .micro { color: var(--muted); }
.mechanism h3 { font-family: var(--serif); font-size: 1.375rem; line-height: 1.7; margin-block: 1rem; }
.mechanism > p:not(.micro) { color: var(--muted); font-size: 1rem; line-height: 2; }
.code-detail { margin-top: 1rem; }
.code-detail summary { font-size: .875rem; min-height: 44px; padding-block: .5rem; cursor: pointer; text-decoration: underline; text-underline-offset: .3em; }
.code-detail pre { max-width: 100%; overflow-x: auto; margin: .75rem 0 0; padding: 1rem; background: #eae7df; color: var(--ink); font-size: .8125rem; line-height: 1.8; tab-size: 2; }
.code-detail code { font-family: ui-monospace, Menlo, Consolas, monospace; }
.itsu-stack { display: grid; grid-template-columns: 1fr 2fr; gap: 3rem; border-top: 1px solid var(--line); margin-top: 4rem; padding-top: 2.5rem; }
.itsu-stack .micro { color: var(--muted); }
.itsu-stack h3 { font-family: var(--serif); font-size: 1.5rem; margin-block: 1rem; }
.itsu-stack > div > p:last-child { font-size: 1rem; color: var(--muted); }
.itsu-stack dl { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem 2rem; margin: 0; }
.itsu-stack dl > div { min-width: 0; }
.itsu-stack dt { font-size: 1rem; }
.itsu-stack dd { color: var(--muted); font-size: .875rem; margin: .25rem 0 0; }
.itsu-tinted { background: #eae7df; }
.value-heading { margin-top: 3rem; }
.itsu-values { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 3rem; margin-top: 3rem; }
.itsu-values article { min-width: 0; }
.proof-value { font-size: 4.5rem; line-height: 1.2; font-weight: 300; letter-spacing: -.04em; }
.proof-value span { font-size: 1.125rem; letter-spacing: 0; margin-inline: .25rem; }
.itsu-values h3 { font-size: 1.125rem; margin-block: 1.5rem 1rem; }
.itsu-values article > p:last-child { font-size: 1rem; color: var(--muted); line-height: 2; }
.value-note { color: var(--muted); font-size: .875rem; padding-top: 1.5rem; border-top: 1px solid var(--line); margin-top: 2.5rem; }
.itsu-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2rem; list-style: none; padding: 0; margin: 3rem 0; }
.itsu-steps li { min-width: 0; padding-top: 1.25rem; border-top: 1px solid var(--line); }
.step-number { font-size: 1.5rem; font-weight: 300; color: var(--muted); }
.itsu-steps h3 { font-size: 1.25rem; margin-block: .75rem .25rem; }
.step-period { font-size: .875rem; color: var(--muted); }
.itsu-steps p { font-size: 1rem; color: var(--muted); margin-top: 1rem; }
.engage-models { display: flex; flex-wrap: wrap; gap: 1rem 2rem; padding-top: 1.5rem; border-top: 1px solid var(--line); font-size: .875rem; }
.closing-layout { text-align: center; }
.closing-layout h2 { margin-block: 2rem; }
.closing-copy { color: var(--muted); font-size: 1rem; line-height: 2; }
.closing-layout .text-link { margin-top: 2rem; min-width: min(100%, 340px); text-align: left; }
.contact-note { font-size: .8125rem; color: var(--muted); margin-top: 1rem; }
@media (max-width: 1020px) {
  .itsu-hero-grid { gap: 2rem; }
  .foundation-map { padding: 1.5rem; }
  .desktop-break { display: none; }
  .case-feature { gap: 2rem; }
  .itsu-cases { gap: 3rem 2rem; }
  .why-layout { gap: 3rem; }
  .itsu-mechanisms { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem; }
  .itsu-stack { grid-template-columns: 1fr; gap: 2rem; }
  .itsu-values { gap: 2rem; }
  .itsu-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .itsu-products { grid-template-columns: 1fr; gap: 3rem; }
  .itsu-hero-grid { grid-template-columns: 1fr; padding-block: 2rem 2.5rem; gap: 2rem; }
  .itsu-hero h1 { font-size: clamp(1.75rem, 6.8vw, 2.75rem); margin-block: 1rem; }
  .itsu-hero-description br { display: none; }
  .itsu-lead { font-size: 1rem; }
  .foundation-map { max-width: 540px; width: 100%; margin-inline: auto; }
  .itsu-jump-links { justify-content: space-between; gap: .5rem; }
  .itsu-jump-links a { gap: .5rem; }
  .case-heading { display: block; margin-block: 2rem; }
  .case-heading > p { margin-top: 1.5rem; }
  .case-heading > p br { display: none; }
  .itsu-cases { grid-template-columns: 1fr; gap: 3rem; }
  .case-feature { grid-template-columns: 1fr; gap: 1.25rem; }
  .case-copy h3, .case-secondary h3 { font-size: 1.75rem; }
  .case-secondary .case-copy { padding-top: 1.25rem; }
  .case-compact { grid-template-columns: 1fr; gap: 1rem; }
  .case-product-link a { margin-left: 0; }
  .why-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .why-copy h2 { margin-block: 1.5rem; }
  .itsu-issues article { gap: 1rem; padding-block: 1.5rem; }
  .itsu-mechanisms { grid-template-columns: 1fr; gap: 2rem; }
  .mechanism h3 { font-size: 1.375rem; }
  .itsu-stack dl { grid-template-columns: 1fr; gap: 1.25rem; }
  .itsu-stack dl > div { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); gap: 1rem; border-top: 1px solid var(--line); padding-top: 1rem; }
  .itsu-stack dt, .itsu-stack dd { overflow-wrap: anywhere; font-size: .875rem; }
  .itsu-stack dd { margin: 0; }
  .itsu-values { grid-template-columns: 1fr; gap: 2rem; }
  .itsu-values article { border-top: 1px solid var(--line); padding-top: 1.5rem; }
  .proof-value { font-size: 3.5rem; }
  .itsu-values h3 { margin-block: 1rem .75rem; }
  .itsu-steps { grid-template-columns: 1fr; gap: 0; }
  .itsu-steps li { display: grid; grid-template-columns: 2.5rem minmax(0, 1fr) auto; align-items: baseline; gap: .75rem; padding-block: 1.5rem; }
  .itsu-steps h3 { margin: 0; font-size: 1.125rem; }
  .step-number { font-size: 1.25rem; }
  .itsu-steps p { grid-column: 2 / -1; margin: 0; }
  .engage-models { gap: .75rem 1.5rem; }
  .closing-copy br { display: none; }
  .itsu-page .section-label { flex-wrap: wrap; font-size: .8125rem; gap: .5rem; }
}
@media (max-width: 360px) {
  .foundation-map { padding: 1rem; }
  .map-services { gap: .5rem; }
  .map-services small { font-size: .8125rem; }
  .map-foundation { padding-inline: .75rem; }
  .map-foundation ul { gap: .5rem; }
  .itsu-jump-links { gap: .25rem .75rem; justify-content: flex-start; }
}