/* Know-how: the shared noir identity, opened up by original project work. */
.know-how-page { --bg: #09090b; --knowledge-yellow: #ffd400; background: var(--bg); color: #f3f2ef; }
.know-how-page a:focus-visible, .know-how-page summary:focus-visible { outline: 2px solid var(--knowledge-yellow); outline-offset: 5px; }
.know-how-page .nav-left a[href$="know-how/index.html"], .know-how-page .mobile-menu a[href$="know-how/index.html"] { color: var(--knowledge-yellow); }
.knowledge-eyebrow { margin: 0 0 24px; color: #aaaab0; font-size: var(--type-label); font-weight: 600; line-height: 1.5; letter-spacing: .15em; text-transform: uppercase; }
.knowledge-hero { display: block; padding-block: clamp(52px,7vw,100px) clamp(56px,7vw,96px); }
.knowledge-hero-copy { display: grid; grid-template-columns: minmax(0,1.5fr) minmax(0,.8fr); align-items: end; gap: clamp(40px,6vw,90px); }
.knowledge-hero h1 { margin: 0; font-size: var(--type-page-title); font-weight: 700; line-height: var(--type-title-leading); letter-spacing: var(--type-title-tracking); }
.knowledge-hero h1 span { display: inline-block; color: var(--knowledge-yellow); }
.knowledge-hero-lead { max-width: 350px; margin: 0; color: #b6b6bd; font-size: var(--type-body); font-weight: 400; line-height: 1.65; }
.knowledge-jump { display: inline-flex; align-items: center; gap: 30px; margin-top: 28px; padding-bottom: 8px; border-bottom: 1px solid var(--knowledge-yellow); font-size: 11px; font-weight: 600; letter-spacing: .04em; }
.knowledge-jump span { color: var(--knowledge-yellow); font-size: 23px; line-height: 1; }
.knowledge-jump:hover { color: var(--knowledge-yellow); }
.knowledge-introduction { display: grid; grid-template-columns: minmax(180px,.6fr) minmax(0,1.4fr); gap: 48px; padding-block: 32px 52px; border-top: 1px solid #333337; }
.knowledge-introduction .knowledge-eyebrow { margin: 4px 0 0; color: var(--knowledge-yellow); }
.knowledge-introduction > p:last-child { max-width: 650px; margin: 0; color: #b6b6bd; font-size: var(--type-body); font-weight: 400; line-height: 1.65; }
.know-how-service-layout { display: grid; grid-template-columns: 210px minmax(0,1fr); align-items: start; gap: clamp(40px,6vw,88px); padding-bottom: 32px; }
.know-how-service-index { position: sticky; top: 128px; display: flex; flex-direction: column; gap: 0; padding-right: 20px; }
.know-how-service-index h2 { margin: 0 0 20px; color: #f3f2ef; font-size: 11px; font-weight: 650; letter-spacing: .06em; text-transform: uppercase; }
.know-how-service-index a { display: grid; grid-template-columns: 24px minmax(0,1fr); align-items: baseline; gap: 12px; padding-block: 10px; color: #96969f; font-size: 12px; line-height: 1.4; letter-spacing: 0; text-transform: none; }
.know-how-service-index small { font-size: 9px; font-variant-numeric: tabular-nums; }
.know-how-service-index a:hover, .know-how-service-index a[aria-current="location"] { color: var(--knowledge-yellow); }
.know-how-service-content { min-width: 0; }
.know-how-page .know-how-service-section { width: 100%; padding: 32px 0 64px; border-top: 1px solid #333337; scroll-margin-top: 120px; }
.know-service-number { margin: 0 0 18px; color: var(--knowledge-yellow); font-size: var(--type-label); font-weight: 600; letter-spacing: .14em; }
.know-service-intro h3 { margin: 0; color: #f3f2ef; font-size: var(--type-section-title); font-weight: 600; line-height: 1.1; letter-spacing: -.045em; overflow-wrap: anywhere; }
.know-service-lead { max-width: 720px; margin: 22px 0 0; color: #b6b6bd; font-size: var(--type-body); font-weight: 400; line-height: 1.65; }
.know-service-topics { margin-top: 28px; border-top: 1px solid #333337; }
.know-service-topics details { border-bottom: 1px solid #333337; }
.know-service-topics summary { display: grid; grid-template-columns: minmax(0,1fr) auto 20px; align-items: center; gap: 14px; padding-block: 19px; cursor: pointer; list-style: none; }
.know-service-topics summary::-webkit-details-marker { display: none; }
.know-service-topics summary::after { content: '+'; grid-column: 3; color: var(--knowledge-yellow); font-size: 22px; line-height: 1; text-align: center; }
.know-service-topics details[open] summary::after { content: '−'; }
.know-service-topics h4 { text-align: left; margin: 0; font-size: var(--type-body); font-weight: 500; line-height: 1.4; letter-spacing: -.02em; }
.know-service-topics em { grid-column: 2; color: #777780; font-size: var(--type-label); font-style: normal; }
.know-service-topics details > p { max-width: 680px; margin: 0 34px 24px 0; color: #aaaab0; font-size: var(--type-body); font-weight: 400; line-height: 1.7; }
.know-service-topics summary:hover h4 { color: var(--knowledge-yellow); }
/* Project interludes sit within the editorial flow, without a card surround. */
.knowledge-case { display: block; margin: 8px 0 72px; }
.knowledge-case figure { margin: 0; }
.knowledge-brand-art { display: grid; grid-template-columns: .8fr 1fr; align-items: center; gap: 48px; min-height: 290px; padding: 44px 56px; background: #edf0e9; }
.knowledge-brand-art img { width: 100%; max-height: 230px; object-fit: contain; }
.knowledge-project-stage { display: grid; place-items: center; overflow: hidden; padding: clamp(32px,5vw,60px) clamp(28px,5vw,64px); background: #e3e7df; }
.knowledge-case-web .knowledge-project-stage { background: #dfe6e7; }
.knowledge-project-window { width: 100%; max-width: 640px; overflow: hidden; border: 1px solid rgba(0,0,0,.12); border-radius: 5px; background: #fff; box-shadow: 0 18px 32px -16px rgba(25,40,25,.35); transform: rotate(-2deg); }
.knowledge-case-web .knowledge-project-window { transform: rotate(2deg); }
.knowledge-project-window img { display: block; width: 100%; height: auto; }
.knowledge-browser { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 10px 14px; background: #f7f7f4; color: #73766e; font-size: 9px; font-weight: 400; }
.knowledge-browser-dots { color: #babfb4; font-size: 7px; letter-spacing: 2px; }
.knowledge-case figcaption { display: flex; align-items: end; justify-content: space-between; gap: 24px; padding: 20px 0 0; }
.knowledge-case .knowledge-eyebrow { margin-bottom: 8px; color: #96969f; font-size: var(--type-label); }
.knowledge-case h3 { margin: 0; font-size: var(--type-card-title); font-weight: 500; line-height: 1.3; letter-spacing: -.025em; }
.knowledge-case-link { display: inline-flex; flex-shrink: 0; align-items: center; gap: 12px; color: #a6a6ae; font-size: 11px; line-height: 1.5; }
.knowledge-case-link > span { color: var(--knowledge-yellow); font-size: 20px; }
.knowledge-case:hover .knowledge-case-link { color: var(--knowledge-yellow); }
.know-how-page footer { border-top: 1px solid #333337; background: #101012; }
@media (max-width:1000px) and (min-width:761px) {
  .know-how-service-layout { grid-template-columns: 180px minmax(0,1fr); gap: 32px; }
  .know-how-service-index { padding-right: 0; }
}
@media (max-width:760px) {
  .knowledge-hero { padding-block: 40px 48px; }
  .knowledge-hero-copy { grid-template-columns: 1fr; gap: 28px; }
  .knowledge-hero h1 { font-size: var(--type-page-title); }
  .knowledge-hero-lead { margin-top: 0; font-size: var(--type-body); }
  .knowledge-eyebrow { font-size: var(--type-label); }
  .knowledge-introduction { grid-template-columns: 1fr; gap: 18px; padding-block: 28px 36px; }
  .knowledge-introduction > p:last-child { font-size: var(--type-body); }
  .know-how-service-layout { grid-template-columns: 1fr; gap: 24px; }
  .know-how-service-index { position: sticky; top: 94px; z-index: 10; flex-direction: row; gap: 24px; max-width: 100%; padding: 14px 0; border-bottom: 1px solid #333337; overflow-x: auto; background: var(--bg); scrollbar-width: thin; scroll-padding-inline: 12px; }
  .know-how-service-index h2 { display: none; }
  .know-how-service-index a { display: flex; flex-direction: column; flex: 0 0 auto; gap: 4px; max-width: 160px; padding: 0 0 4px; font-size: 11px; }
  .know-how-service-index small { font-size: 8px; }
  .know-how-page .know-how-service-section { padding-top: 24px; padding-bottom: 44px; scroll-margin-top: 180px; }
  .know-service-intro h3 { font-size: var(--type-section-title); }
  .know-service-lead { margin-top: 18px; font-size: var(--type-body); }
  .know-service-topics h4 { font-size: var(--type-body); }
  .know-service-topics summary { gap: 10px; padding-block: 17px; }
  .know-service-topics details > p { margin-right: 16px; font-size: var(--type-body); }
  .knowledge-case { margin-block: 4px 48px; }
  .knowledge-brand-art { gap: 24px; min-height: 200px; padding: 28px 24px; }
  .knowledge-brand-art img { max-height: 170px; }
  .knowledge-project-stage { padding: 28px 20px; }
  .knowledge-project-window { border-radius: 3px; }
  .knowledge-browser { padding: 7px 9px; font-size: 7px; }
  .knowledge-browser-dots { font-size: 5px; letter-spacing: 1px; }
  .knowledge-case figcaption { align-items: start; flex-direction: column; gap: 12px; padding-top: 16px; }
  .knowledge-case h3 { font-size: var(--type-card-title); }
  .knowledge-case .knowledge-eyebrow { font-size: var(--type-label); }
  .knowledge-case-link { font-size: 10px; }
  }