/* Scope every rule to this case; preserve the portfolio's shared reading system. */
#sleepaceDetail { --sfd-ink: #15383d; --sfd-muted: #6b7674; }
/* A quiet image carousel with one reserved caption strip inside the screen. */
body.human-interface-v2 #page-detail #sleepaceDetail .retro-detail-hero > .sfd-gallery.retro-device-frame {
  padding: 0; border: 0; border-radius: 0; background: none; box-shadow: none; overflow: visible;
}
#sleepaceDetail .sfd-screen-shell { padding: clamp(12px,1.5vw,22px); border: 1px solid #d2cbbb; border-radius: 20px; background: linear-gradient(135deg,#f4efe4,#e8e1d4 52%,#d8d0c1); box-shadow: inset 2px 3px 3px #fffaf0,inset -2px -3px 4px #bdb5a5,0 8px 18px #3c301b19; }
#sleepaceDetail .sfd-screen { position: relative; aspect-ratio: 16 / 10; overflow: hidden; border: 3px solid #34332d; border-radius: 9px; background: #f9faf8; box-shadow: 0 0 0 3px #b5ad9d,0 -3px 6px #2b241940; touch-action: pan-y; }
#sleepaceDetail .sfd-slide { position: absolute; inset: 0; display: grid; grid-template-rows: minmax(0,1fr) auto; opacity: 0; transition: opacity 400ms ease; pointer-events: none; }
#sleepaceDetail .sfd-slide.is-current { opacity: 1; z-index: 1; }
#sleepaceDetail .sfd-slide img { display: block; width: 100%; height: 100%; margin: 0; border: 0; border-radius: 0; object-fit: contain; filter: none; box-shadow: none; }
#sleepaceDetail .sfd-slide-caption { display: flex; align-items: center; min-height: 38px; margin: 0; padding: 7px 12px; background: #f6f4ec; color: #4b504a; font: 400 clamp(.68rem,1.05vw,.82rem)/1.5 var(--font-body); text-align: left; }
#sleepaceDetail .sfd-screen:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
#sleepaceDetail .sfd-gallery-status { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
#sleepaceDetail button:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
#sleepaceDetail .sfd-service-delivery { scroll-margin-top: 150px; }
#sleepaceDetail .sfd-app-showcase { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: clamp(14px,3vw,36px); padding: 32px clamp(16px,4vw,48px); background: #0a242a; border-radius: 16px; }
#sleepaceDetail .sfd-app-showcase figure { margin: 0; min-width: 0; text-align: center; }
#sleepaceDetail .sfd-app-showcase img { width: 100%; max-width: 180px; height: auto; display: block; margin: 0 auto; border: 0; box-shadow: none; }
#sleepaceDetail .sfd-app-showcase figcaption { margin-top: 18px; font-size: .84rem; line-height: 1.7; color: #edf5f3; }
@media(max-width:600px) {
 #sleepaceDetail .sfd-app-showcase { padding: 22px 12px; gap: 12px; }
 #sleepaceDetail .sfd-app-showcase figcaption { font-size: .75rem; }
 #sleepaceDetail .sfd-screen { border-width: 2px; }
}
@media(prefers-reduced-motion:reduce) { #sleepaceDetail .sfd-slide { transition: none; } }
#sleepaceDetail .sfd-hero-note { grid-column: 1 / -1; font-size: .76rem; color: var(--text-secondary); line-height: 1.7; margin-top: 12px; }
#sleepaceDetail .sfd-engagements { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; margin-top: 32px; padding: 28px 0 0; border-top: 1px solid var(--divider); }
#sleepaceDetail .sfd-engagements article { border-left: 2px solid var(--accent); padding-left: 20px; }
#sleepaceDetail .sfd-engagements span, #sleepaceDetail .sfd-eyebrow { font-size: .73rem; color: var(--accent); letter-spacing: .08em; }
#sleepaceDetail .sfd-engagements h3 { font-family: var(--font-serif-cn); font-size: 1.18rem; margin: 8px 0; font-weight: 500; }
#sleepaceDetail .sfd-engagements p { font-size: .85rem; color: var(--text-secondary); }
#sleepaceDetail .sfd-process-index { list-style: none; display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; padding: 0; margin: 28px 0 0; }
#sleepaceDetail .sfd-process-index li { border-top: 1px solid var(--divider); padding-top: 16px; font-size: .92rem; }
#sleepaceDetail .sfd-process-index span { display: block; font-family: var(--font-display); color: var(--accent); font-size: 1.5rem; margin-bottom: 12px; }
#sleepaceDetail .sfd-process-body { display: grid; grid-template-columns: minmax(0,.85fr) minmax(0,1.15fr); gap: clamp(24px,4vw,60px); align-items: start; margin-top: 28px; }
#sleepaceDetail .sfd-method-list { display: grid; gap: 24px; }
#sleepaceDetail .sfd-method-list article { padding-bottom: 20px; border-bottom: 1px solid var(--divider); }
#sleepaceDetail .sfd-method-list article:last-child { border: 0; padding-bottom: 0; }
#sleepaceDetail .sfd-method-list h3 { font-family: var(--font-serif-cn); font-weight: 500; font-size: 1.15rem; margin-bottom: 9px; }
#sleepaceDetail .sfd-method-list p { color: var(--text-secondary); font-size: .9rem; line-height: 1.85; }
#sleepaceDetail .sfd-evidence { margin: 0; min-width: 0; border: 1px solid var(--divider); border-radius: 12px; overflow: hidden; background: #faf8f3; }
#sleepaceDetail .sfd-evidence img { width: 100%; height: auto; display: block; aspect-ratio: 16 / 9; object-fit: contain; background: #f7f7f5; }
#sleepaceDetail .sfd-evidence figcaption { box-sizing: border-box; width: 100%; max-width: none; margin: 0; padding: 14px 18px; font: 500 17px/1.55 var(--font-serif-cn); color: var(--text-primary); border-top: 1px solid var(--divider); }
#sleepaceDetail .sfd-evidence-pair { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 22px; }
#sleepaceDetail .sfd-core-evidence { display: grid; gap: 32px; }
#sleepaceDetail .sfd-evidence-intro { margin: 32px 0 20px; color: var(--text-secondary); font-size: .9rem; line-height: 1.85; }
#sleepaceDetail .sfd-wide { margin-bottom: 24px; }
#sleepaceDetail .sfd-delivery-index { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 24px; }
#sleepaceDetail .sfd-delivery-index article { padding: 22px 0; border-top: 1px solid var(--divider); }
#sleepaceDetail .sfd-delivery-index span { color: var(--accent); font: 1.8rem var(--font-display); }
#sleepaceDetail .sfd-delivery-index h3 { font: 500 1.2rem/1.5 var(--font-serif-cn); margin: 18px 0 8px; }
#sleepaceDetail .sfd-delivery-index p { font-size: .83rem; color: var(--text-secondary); line-height: 1.8; }
#sleepaceDetail p.sfd-small-note { margin-top: 16px; color: var(--text-secondary); font-size: .75rem; line-height: 1.8; }
#sleepaceDetail .sfd-ui-feature { display: grid; grid-template-columns: minmax(0,.8fr) minmax(0,1.2fr); margin-top: 28px; background: #072027; border-radius: 18px; overflow: hidden; color: #edf5f3; align-items: center; }
#sleepaceDetail .sfd-ui-copy { padding: clamp(24px,4vw,52px); }
#sleepaceDetail .sfd-ui-copy > span { color: #80c5cb; font-size: .76rem; letter-spacing: .06em; }
#sleepaceDetail .sfd-ui-copy h3 { color: #edf5f3; font: 500 clamp(1.35rem,2vw,1.8rem)/1.6 var(--font-serif-cn); margin: 14px 0 18px; }
#sleepaceDetail .sfd-ui-copy p { color: #becfce; font-size: .9rem; line-height: 1.85; }
#sleepaceDetail .sfd-phone-stage { display: flex; align-items: center; justify-content: center; gap: 18px; padding: 36px 24px; min-width: 0; background: radial-gradient(ellipse at bottom,#0b3440,transparent 70%); }
#sleepaceDetail .sfd-phone-stage img { display: block; width: calc((100% - 18px)/2); max-width: 205px; height: auto; object-fit: contain; border: 0; border-radius: 0; }
#sleepaceDetail .sfd-phone-stage--single img { width: 64%; max-width: 245px; }
#sleepaceDetail .sfd-source-gallery { margin-top: 26px; border-block: 1px solid var(--divider); }
#sleepaceDetail .sfd-source-gallery summary { cursor: pointer; padding: 20px 2px; color: var(--text-primary); font-size: .9rem; }
#sleepaceDetail .sfd-source-gallery[open] .sfd-evidence-pair { margin: 6px 0 24px; }
#sleepaceDetail .sfd-impact-list { display: grid; gap: 0; }
#sleepaceDetail .sfd-impact-list article { display: grid; grid-template-columns: 55px 1fr; gap: 20px; border-top: 1px solid var(--divider); padding: 24px 0; }
#sleepaceDetail .sfd-impact-list article > span { color: var(--accent); font: 1.6rem var(--font-display); }
#sleepaceDetail .sfd-impact-list h3 { font: 500 1.25rem/1.6 var(--font-serif-cn); margin-bottom: 7px; }
#sleepaceDetail .sfd-impact-list p { font-size: .9rem; color: var(--text-secondary); line-height: 1.85; }
#sleepaceDetail .sfd-public-product { margin-top: 30px; padding: clamp(24px,4vw,44px); border: 1px solid var(--divider); border-radius: 14px; background: rgba(251,249,244,.6); }
#sleepaceDetail .sfd-public-product h3 { font: 500 1.45rem/1.6 var(--font-serif-cn); margin: 12px 0; }
#sleepaceDetail .sfd-public-product > p { color: var(--text-secondary); font-size: .9rem; line-height: 1.85; max-width: 850px; }
#sleepaceDetail .sfd-public-links { display: flex; flex-wrap: wrap; gap: 16px 28px; margin-top: 20px; }
#sleepaceDetail .sfd-public-links a { color: var(--text-primary); font-size: .85rem; text-decoration: underline; text-underline-offset: 5px; }
#sleepaceDetail :is(summary,a):focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
@media(max-width:850px) {
 #sleepaceDetail .sfd-process-body, #sleepaceDetail .sfd-architecture { grid-template-columns: 1fr; gap: 22px; }
 #sleepaceDetail .sfd-method-list { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; }
 #sleepaceDetail .sfd-method-list article { border: 0; padding: 0; }
 #sleepaceDetail .sfd-ui-feature { grid-template-columns: minmax(0,.8fr) minmax(0,1.2fr); }
 #sleepaceDetail .sfd-phone-stage { padding: 26px 16px; gap: 12px; }
 #sleepaceDetail .sfd-delivery-index { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media(max-width:600px) {
 #sleepaceDetail .sfd-engagements, #sleepaceDetail .sfd-evidence-pair, #sleepaceDetail .sfd-ui-feature, #sleepaceDetail .sfd-method-list { grid-template-columns: 1fr; }
 #sleepaceDetail .sfd-process-index { grid-template-columns: 1fr 1fr; gap: 20px 16px; }
 #sleepaceDetail .sfd-engagements { gap: 24px; }
 #sleepaceDetail .sfd-ui-copy { padding: 26px 24px 8px; }
 #sleepaceDetail .sfd-ui-copy h3 { font-size: 1.4rem; }
 #sleepaceDetail .sfd-phone-stage { padding: 20px 18px 28px; }
 #sleepaceDetail .sfd-phone-stage--single img { max-width: 200px; }
 #sleepaceDetail .sfd-impact-list article { grid-template-columns: 32px 1fr; gap: 12px; }
 #sleepaceDetail .sfd-delivery-index { gap: 16px; }
 #sleepaceDetail .sfd-delivery-index h3 { font-size: 1.04rem; }
 #sleepaceDetail .sfd-evidence figcaption { padding: 12px 14px; font-size: 16px; }
}