/* =====================================================================
   Showcase (EN) — design F "Orbit", group "showcase" (phase 5):
     /website-concepts (gallery) · /website-concepts/<slug> (100 concepts)
     /portfolio/<case-study> (6) · /portfolio/<collection> (3) · /portfolio/<collection>/<slug>
   Loaded after site.css + pages/portfolio.css (cards .pf-card, grid, chips, lightbox .pf-lb are reused
   from the /portfolio page so index → detail reads as one product). Prefix sk- (Bootstrap-safe).
   Logical properties throughout; directional offsets use --dir.
   ===================================================================== */

/* ---------- shared: browser frame, phone frame, chips ---------- */
.sk-frame { position: relative; display: block; overflow: hidden; border-radius: 16px; background: var(--paper); color: var(--ink); text-decoration: none; box-shadow: 0 0 0 1px color-mix(in oklab, var(--ink) 14%, transparent), 0 44px 80px -40px color-mix(in oklab, var(--ink) 80%, transparent); isolation: isolate; }
.sk-frame img { display: block; width: 100%; height: auto; }
.sk-chrome { display: flex; align-items: center; gap: 6px; height: 30px; padding-inline: 12px; background: var(--paper); border-bottom: 1px solid var(--line); }
.sk-chrome i { width: 9px; height: 9px; border-radius: 50%; background: color-mix(in oklab, var(--ink) 16%, transparent); flex: none; }
.sk-chrome i:first-child { background: var(--b2); }
.sk-chrome b { flex: 0 1 62%; min-width: 0; margin-inline-start: 10px; height: 18px; padding-inline: 10px; border-radius: 9px; background: var(--cream-2); font: 600 11px/18px var(--f-body); color: var(--ink-2); overflow: hidden; white-space: nowrap; text-overflow: ellipsis; direction: ltr; text-align: start; }
.sk-frame__zoom { position: absolute; z-index: 2; inset-inline-end: 12px; top: 42px; width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--paper); color: var(--ink); font-size: 17px; box-shadow: 0 10px 22px -10px rgb(0 0 0 / .55); transition: transform .45s var(--ease), background-color .3s; }
.sk-frame:hover .sk-frame__zoom { transform: scale(1.08) rotate(90deg); background: var(--b2); }
.sk-frame:focus-visible { outline: 3px solid var(--acc); outline-offset: 4px; }
.sk-phone { position: relative; display: block; width: 100%; padding: 9px; border-radius: 34px; background: var(--ink); box-shadow: 0 0 0 1px color-mix(in oklab, var(--cream) 14%, transparent), 0 40px 70px -34px rgb(0 0 0 / .7); text-decoration: none; }
.sk-phone::before { content: ""; position: absolute; z-index: 2; left: 50%; top: 15px; width: 30%; height: 14px; translate: -50% 0; border-radius: 10px; background: var(--ink); }
.sk-phone img { display: block; width: 100%; height: auto; border-radius: 26px; }
.sk-phone:focus-visible { outline: 3px solid var(--acc); outline-offset: 4px; }
.sk-sw { display: inline-flex; vertical-align: middle; }
.sk-sw i { width: 24px; height: 24px; border-radius: 50%; background: var(--c); box-shadow: 0 0 0 2px color-mix(in oklab, var(--fg) 26%, transparent); margin-inline-end: -5px; }
.sk-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.sk-pill { display: inline-flex; align-items: center; gap: 8px; min-height: 34px; padding: 0 14px; border-radius: 999px; background: color-mix(in oklab, var(--fg) 10%, transparent); box-shadow: inset 0 0 0 1px var(--rule); font-size: 12.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--fg); }
.sk-pill i { width: 9px; height: 9px; border-radius: 50%; background: var(--fg-2); flex: none; }
.sk-pill--success i { background: #3fd07f; box-shadow: 0 0 0 4px color-mix(in oklab, #3fd07f 24%, transparent); }
.sk-pill--warn i { background: var(--b2); box-shadow: 0 0 0 4px color-mix(in oklab, var(--b2) 26%, transparent); }
.sk-pill--own i { background: var(--b2-lite); }

/* ---------- HERO (shared poster) ---------- */
.sk-hero .ph__in { padding-block-end: clamp(32px, 5vw, 72px); }
.sk-hero__grid { align-items: center; }
.sk-hero__title { font-size: clamp(46px, 12.5vw, 124px); line-height: .9; }
.sk-hero__title--short { font-size: clamp(54px, 15vw, 152px); }
.sk-hero__title--long { font-size: clamp(40px, 10.5vw, 98px); }
.sk-hero__title em { display: block; font-size: .44em; line-height: 1.08; margin-top: .2em; max-width: 24ch; text-wrap: balance; }
.sk-hero__n { position: absolute; z-index: 1; inset-inline-end: -.04em; top: calc(var(--nav-h) + clamp(28px, 6vw, 90px)); font: 400 clamp(150px, 30vw, 470px)/.8 var(--f-num); color: transparent; -webkit-text-stroke: 2px color-mix(in oklab, var(--fg) 18%, transparent); pointer-events: none; user-select: none; direction: ltr; }
.sk-hero__back { position: relative; z-index: 3; font-weight: 650; }
.sk-flag { display: flex; gap: 10px; align-items: flex-start; max-width: 42em; padding: 12px 16px; border-radius: 16px; background: color-mix(in oklab, var(--paper) 20%, transparent); box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--fg) 24%, transparent); font-size: 14.5px; line-height: 1.5; font-weight: 500; color: var(--fg); }
.ph--deep .sk-flag { background: color-mix(in oklab, var(--cream) 7%, transparent); }
.sk-flag i { font-size: 16px; line-height: 1.35; flex: none; }
.sk-flag strong { font-weight: 750; }
@media (min-width: 1024px) {
  .sk-hero__grid { grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); }
}

/* concept hero moment: frame + palette chips + type specimen */
.sk-board { position: relative; z-index: 3; padding: 4% 4% 15% 3%; perspective: 1600px; }
.sk-board::before { content: ""; position: absolute; z-index: -1; inset: 4% 0 6% 10%; border-radius: 46%; background: radial-gradient(closest-side, var(--c2, var(--b1)), transparent 74%); opacity: .5; filter: blur(30px); }
.sk-board__frame { transform: rotateY(calc(var(--ry, -9deg) * var(--dir))) rotateX(var(--rx, 5deg)) rotateZ(calc(1deg * var(--dir))); transition: transform 1.1s var(--ease); }
.sk-board.is-tilt .sk-board__frame { transition-duration: .35s; }
.sk-board__type { position: absolute; z-index: 2; inset-inline-start: -1%; bottom: 1%; width: clamp(118px, 11.5vw, 172px); aspect-ratio: 1; display: grid; align-content: center; justify-items: center; gap: 6px; padding: 14px 12px; border-radius: 22px; background: var(--paper); color: var(--ink); text-align: center; box-shadow: 0 26px 40px -22px rgb(0 0 0 / .6); transform: rotate(calc(-7deg * var(--dir))); }
.sk-board__type b { font: 400 clamp(50px, 5vw, 80px)/1 var(--f-serif); color: var(--ink); }
.sk-board__type b::after { content: ""; display: block; height: 5px; margin: 6px auto 0; width: 70%; border-radius: 4px; background: linear-gradient(90deg, var(--c1), var(--c2)); box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--ink) 14%, transparent); }
.sk-board__type small { font: 650 10.5px/1.3 var(--f-body); color: var(--ink-2); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.sk-board__pal { position: absolute; z-index: 2; inset-inline-end: 2%; bottom: 3%; display: flex; list-style: none; margin: 0; padding: 0; }
.sk-board__pal li { position: relative; width: clamp(54px, 5.4vw, 82px); aspect-ratio: 1; border-radius: 50%; background: var(--c); box-shadow: 0 0 0 4px var(--paper), 0 18px 30px -14px rgb(0 0 0 / .55); margin-inline-start: -14px; }
.sk-board__pal li:nth-child(2) { transform: translateY(-12%); }
.sk-board__pal span { position: absolute; left: 50%; bottom: -12px; translate: -50% 0; padding: 4px 6px; border-radius: 6px; background: var(--ink); color: var(--cream); font: 600 10px/1 var(--f-mono); white-space: nowrap; direction: ltr; text-transform: uppercase; }
@media (prefers-reduced-motion: reduce) { .sk-board__frame { transition: none; } }

/* facts strip (dl) under the hero grid */
.sk-facts { position: relative; z-index: 3; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 0; border-top: 2px solid var(--fg); }
.sk-facts--6 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.sk-fact { min-width: 0; padding: 14px clamp(10px, 1.6vw, 22px) 4px; border-inline-start: 1px solid var(--rule); }
.sk-fact:first-child { border-inline-start: 0; padding-inline-start: 0; }
.sk-fact dt { font: 700 11.5px/1.25 var(--f-body); letter-spacing: .08em; text-transform: uppercase; color: var(--fg); opacity: .8; }
.sk-fact dd { margin: 8px 0 0; font: 400 clamp(19px, 1.85vw, 27px)/1.06 var(--f-display); text-transform: var(--display-case); letter-spacing: var(--display-track); color: var(--fg); overflow-wrap: anywhere; }
.sk-fact__small { display: block; margin-top: 8px; font: 600 12.5px/1.4 var(--f-body); text-transform: none; letter-spacing: 0; opacity: .88; }
.sk-facts--6 .sk-fact dd { font: 650 15px/1.4 var(--f-body); text-transform: none; letter-spacing: 0; }
.sk-facts--6 .sk-fact:nth-child(4) { border-inline-start: 0; padding-inline-start: 0; }
.sk-facts--6 .sk-fact:nth-child(n+4) { border-top: 1px solid var(--rule); margin-top: 8px; }

/* gallery hero: a tilted wall of concept covers drifting in three columns */
.sk-hero__title--gallery { font-size: clamp(44px, 7.4vw, 116px); }
.sk-hero__title--gallery em { display: inline; font-size: 1.02em; line-height: .9; margin: 0; max-width: none; }
.sk-wall { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(8px, 1vw, 14px); height: clamp(280px, 40vw, 600px); overflow: hidden; transform: rotate(calc(-7deg * var(--dir))) scale(1.04); -webkit-mask: linear-gradient(to bottom, transparent, #000 14%, #000 86%, transparent); mask: linear-gradient(to bottom, transparent, #000 14%, #000 86%, transparent); pointer-events: none; }
.sk-wall__col { min-width: 0; }
.sk-wall__track { display: grid; gap: clamp(8px, 1vw, 14px); padding-bottom: clamp(8px, 1vw, 14px); animation: skWall calc(46s + var(--k) * 9s) linear infinite; }
.sk-wall__col:nth-child(2) .sk-wall__track { animation-direction: reverse; }
.sk-wall.is-paused .sk-wall__track { animation-play-state: paused; }
.sk-wall__card { position: relative; display: block; border-radius: 12px; overflow: hidden; background: var(--ink); box-shadow: 0 0 0 1px color-mix(in oklab, var(--ink) 18%, transparent), 0 18px 34px -20px color-mix(in oklab, var(--ink) 80%, transparent); }
.sk-wall__card img { width: 100%; height: auto; }
.sk-wall__card b { position: absolute; inset-inline-start: 8px; bottom: 8px; padding: 3px 8px; border-radius: 999px; background: color-mix(in oklab, var(--ink) 80%, transparent); color: var(--cream); font: 400 13px/1.2 var(--f-display); text-transform: var(--display-case); letter-spacing: .02em; }
@keyframes skWall { to { transform: translateY(-50%); } }
@media (prefers-reduced-motion: reduce) { .sk-wall__track { animation: none; } }
.pf-jump.sk-jump { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* gallery: honesty note, filter deck */
.pf-coll.sk-gallery, .pf-coll.sk-related { padding-top: clamp(44px, 6vw, 88px); }
.sk-note { display: flex; gap: 12px; align-items: flex-start; max-width: 980px; margin-bottom: clamp(22px, 3vw, 36px); padding: 16px 20px; border-radius: 18px; background: var(--paper); box-shadow: 0 0 0 1px var(--line); font-size: 15px; line-height: 1.6; color: var(--ink-2); }
.sk-note i { flex: none; font-size: 20px; line-height: 1.2; color: var(--b1); }
.sk-note strong { color: var(--ink); }
.sk-tools .pf-tools__row { gap: 10px 14px; }
.sk-search { position: relative; flex: 1 1 280px; max-width: 420px; }
.sk-search i { position: absolute; inset-inline-start: 16px; top: 50%; translate: 0 -50%; color: var(--b1); font-size: 15px; pointer-events: none; }
.sk-search input { width: 100%; min-height: 44px; border: 0; border-radius: 999px; padding-inline: 42px 16px; background: var(--paper); color: var(--ink); font: 500 15px/1.2 var(--f-body); box-shadow: inset 0 0 0 1.5px var(--rule); outline: none; transition: box-shadow .3s; }
.sk-search input::placeholder { color: color-mix(in oklab, var(--ink) 55%, transparent); }
.sk-search input:focus-visible { box-shadow: inset 0 0 0 2px var(--b1); }
.sk-count span { font: 650 14px/1.2 var(--f-body); color: var(--fg); margin: 0; }
.sk-gallery .pf-empty, .sk-wgallery .pf-empty { margin-top: 18px; }
html:not(.js) .sk-search, html:not(.js) .pf-select, html:not(.js) .sk-count { display: none; }

/* cost tickets + FAQ */
.sk-cost { overflow: clip; }
.sk-cost .marq { top: 26%; }
.sk-cost__head { position: relative; }
.sk-cost .lede { color: var(--ink); max-width: 46em; }
.sk-tiers { position: relative; grid-template-columns: repeat(auto-fit, minmax(min(100%, 330px), 1fr)); max-width: 940px; }
.sk-tiers .tk { display: grid; gap: 14px; container-type: inline-size; }
.sk-tier__range { font-size: 15px; }
.sk-cost__cta { position: relative; margin-top: clamp(22px, 3vw, 36px); }
.sk-faq { position: relative; margin-top: clamp(36px, 5vw, 64px); padding: clamp(18px, 3vw, 44px); border-radius: var(--r-lg); background: var(--paper); color: var(--ink); --fg: var(--ink); --fg-2: var(--ink-2); --acc: var(--b1-accent); --rule: var(--line); }
.sk-faq__eyebrow { margin-bottom: 8px; }
.sk-faq .faq__list { border-top: 0; }
.sk-faq .faq__item:last-child { border-bottom: 0; }
.sk-faq .faq__item[open] .faq__icon { background: var(--b2); color: var(--ink); }

/* earlier concepts (image-only) */
.sk-legacy .pf-coll__head .lede { max-width: 40em; }
.sk-legacy__grid { grid-template-columns: repeat(auto-fill, minmax(min(100%, 230px), 1fr)); }
.sk-legacy__media { display: block; aspect-ratio: 4 / 3; }
.sk-legacy__media img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.sk-legacy__media .pf-zoom { pointer-events: none; }
.sk-legacy__media:hover .pf-zoom { background: var(--b2); transform: scale(1.08) rotate(90deg); }
.sk-legacy__media:focus-visible { outline: 3px solid var(--b2); outline-offset: 2px; }
.sk-legacy__blurb { font-size: 13.5px; line-height: 1.5; color: var(--card-fg2); }
.sk-legacy__cta { position: relative; z-index: 2; margin-top: auto; padding-top: 6px; display: inline-flex; align-items: center; gap: 6px; min-height: 40px; font-size: 13.5px; font-weight: 700; color: var(--card-fg); text-decoration: none; }
.sk-legacy__cta:hover { color: var(--b2-lite); }
.sk-legacy__cta i { transition: transform .4s var(--ease); }
.sk-legacy__cta:hover i { transform: translateX(calc(5px * var(--dir))); }

/* ---------- WHY (concept rationale) ---------- */
.sk-why__in { display: grid; gap: clamp(18px, 3vw, 44px); }
.sk-why__head { display: grid; gap: 14px; align-content: start; }
.sk-why__q { position: relative; margin: 0; padding-inline-start: clamp(18px, 2.4vw, 36px); border-inline-start: 4px solid var(--b2); }
.sk-why__q p { font: 400 clamp(23px, 2.5vw, 38px)/1.3 var(--f-serif); font-style: var(--accent-style); color: var(--ink); text-wrap: pretty; }
@media (min-width: 1024px) {
  .sk-why__in { grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr); align-items: start; }
}

/* ---------- STORY (numbered chapters + sticky concept file) ---------- */
.sk-story__grid { display: grid; gap: clamp(28px, 4vw, 64px); }
.sk-file { display: grid; gap: 10px; padding: 14px; border-radius: 22px; background: var(--paper); box-shadow: 0 0 0 1px var(--line); }
@media (max-width: 1023px) {
  .sk-file__img { display: none; }
  .sk-file__toc { display: flex; flex-wrap: wrap; gap: 6px; }
  .sk-file__toc a { border-top: 0; min-height: 40px; padding: 0 12px; border-radius: 999px; background: var(--cream); font-size: 14px; }
  .sk-file__tags { padding: 0; }
}
.sk-ch { display: grid; grid-template-columns: clamp(78px, 9vw, 150px) minmax(0, 1fr); gap: 0 clamp(14px, 2.4vw, 36px); padding-block: clamp(26px, 3.2vw, 46px); border-top: 1px solid var(--rule); scroll-margin-top: calc(var(--nav-h) + 24px); }
.sk-ch:first-child { border-top: 0; padding-top: 0; }
.sk-ch__n { position: relative; height: fit-content; font: 400 clamp(62px, 8vw, 128px)/.8 var(--f-num); color: transparent; -webkit-text-stroke: 2px var(--ink); direction: ltr; user-select: none; }
.sk-ch__n::after { content: attr(data-n); position: absolute; inset: 0; color: var(--b2); -webkit-text-stroke: 2px var(--ink); clip-path: inset(calc((1 - var(--fill, 1)) * 100%) 0 0 0); }
.sk-ch__h { font: 400 clamp(32px, 4vw, 60px)/.95 var(--f-display); text-transform: var(--display-case); letter-spacing: var(--display-track); margin-bottom: clamp(12px, 1.4vw, 20px); text-wrap: balance; }
.sk-ch .prose { max-width: 64ch; }
.sk-ch .prose ul { list-style: none; padding: 0; gap: 0; }
.sk-ch .prose ul li { position: relative; padding: 10px 0 10px 1.6em; border-top: 1px solid var(--rule); }
[dir="rtl"] .sk-ch .prose ul li { padding: 10px 1.6em 10px 0; }
.sk-ch .prose ul li::before { content: ""; position: absolute; inset-inline-start: 0; top: 1.05em; width: .7em; height: .7em; border-radius: 3px; background: var(--b2); transform: rotate(45deg); }
.sk-disclaimer { display: flex; gap: 10px; margin-top: clamp(22px, 3vw, 36px); padding: 14px 18px; border-radius: 16px; background: var(--cream-2); font-size: 14.5px; line-height: 1.55; color: var(--ink-2); }
.sk-disclaimer i { color: var(--b1-ink); flex: none; font-size: 16px; line-height: 1.4; }
.sk-disclaimer strong { color: var(--ink); }
@media (min-width: 1024px) {
  .sk-story__grid { grid-template-columns: minmax(260px, 330px) minmax(0, 1fr); align-items: start; }
  .sk-file { position: sticky; top: calc(var(--nav-h) + 28px); gap: 12px; padding: 12px; border-radius: 24px; box-shadow: 0 0 0 1px var(--line), var(--shadow); }
}
.sk-file__img { border-radius: 14px; box-shadow: 0 0 0 1px var(--line); }
.sk-file__k { padding-inline: 6px; font-size: 13px; font-weight: 650; color: var(--ink-2); }
.sk-file__k b { font: 400 19px/1 var(--f-num); color: var(--ink); }
.sk-file__toc { display: grid; }
.sk-file__toc a { display: flex; align-items: center; gap: 12px; min-height: 44px; padding: 0 8px; border-radius: 12px; border-top: 1px solid var(--line); font-size: 15px; font-weight: 650; color: var(--ink-2); text-decoration: none; transition: background-color .3s, color .3s; }
.sk-file__toc a span { min-width: 2.2ch; font: 400 19px/1 var(--f-num); color: var(--b2-ink); }
.sk-file__toc a:hover, .sk-file__toc a.is-on { background: var(--cream); color: var(--ink); }
.sk-file__tags { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 6px 6px; }

/* ---------- BUILD SHEET (scope & estimate, page sections, stack) ---------- */
.sk-build__grid { display: grid; gap: clamp(14px, 1.8vw, 26px); }
.sk-est { --pad: clamp(20px, 2.2vw, 30px); position: relative; display: grid; gap: 12px; align-content: start; padding: var(--pad); border-radius: 26px; background: var(--paper); color: var(--ink); box-shadow: 0 40px 70px -40px rgb(0 0 0 / .7); container-type: inline-size; }
.sk-est__label { font: 700 12px/1.2 var(--f-body); letter-spacing: .08em; text-transform: uppercase; color: var(--b1-ink); }
.sk-est__price { display: flex; align-items: baseline; gap: 10px; font: 400 clamp(44px, 4.4vw, 64px)/.95 var(--f-num); color: var(--ink); min-width: 0; }
.sk-est__from { font: 650 15px/1 var(--f-body); color: var(--ink-2); flex: none; }
.sk-est__amt { min-width: 0; }
.sk-est__sub { font-size: 15px; font-weight: 650; color: var(--ink-2); }
.sk-est__tear { position: relative; height: 0; margin-block: 6px; margin-inline: calc(-1 * var(--pad)); border-top: 2px dashed color-mix(in oklab, var(--ink) 24%, transparent); }
.sk-est__tear::before, .sk-est__tear::after { content: ""; position: absolute; top: -12px; width: 22px; height: 22px; border-radius: 50%; background: var(--bg); }
.sk-est__tear::before { inset-inline-start: -11px; } .sk-est__tear::after { inset-inline-end: -11px; }
.sk-est__rows, .sk-est__scope { list-style: none; margin: 0; padding: 0; display: grid; }
.sk-est__rows li { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2px 14px; padding-block: 10px; border-bottom: 1px solid var(--line); font-size: 14.5px; line-height: 1.4; }
.sk-est__rows li span:first-child { color: var(--ink-2); flex: none; }
.sk-est__rows li span:last-child { flex: 1 1 auto; font-weight: 650; text-align: end; }
.sk-est__scope { gap: 8px; margin-top: 6px; }
.sk-est__scope li { display: flex; gap: 10px; font-size: 14.5px; line-height: 1.45; color: var(--ink-2); }
.sk-est__scope i { flex: none; color: var(--b1); font-size: 16px; line-height: 1.3; }
.sk-est__note { font-size: 12.5px; line-height: 1.55; color: var(--ink-2); }
.sk-build__side { display: grid; gap: clamp(14px, 1.6vw, 22px); min-width: 0; }
.sk-block { padding: clamp(20px, 2.4vw, 32px); border-radius: 24px; background: color-mix(in oklab, var(--cream) 6%, transparent); box-shadow: inset 0 0 0 1px var(--line-deep); }
.sk-block__h { margin-bottom: 18px; font: 400 clamp(26px, 2.6vw, 38px)/1 var(--f-display); text-transform: var(--display-case); letter-spacing: var(--display-track); color: var(--fg); }
.sk-feats { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 270px), 1fr)); gap: 0 26px; }
.sk-feats li { display: flex; gap: 12px; padding-block: 12px; border-top: 1px solid var(--rule); font-size: 15.5px; line-height: 1.45; color: var(--fg-2); }
.sk-feats__n { flex: none; min-width: 2.2ch; font: 400 20px/1.15 var(--f-num); color: var(--acc); }
.sk-stack { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.sk-stack li { display: inline-flex; align-items: center; min-height: 44px; padding: 0 18px; border-radius: 999px; background: var(--b2); color: var(--ink); font-size: 15px; font-weight: 700; }
.sk-stack li:nth-child(3n+2) { background: var(--cream); }
.sk-stack li:nth-child(3n) { background: transparent; color: var(--fg); box-shadow: inset 0 0 0 1.5px var(--rule); }
.sk-want { --fg: var(--ink); --fg-2: var(--ink); --rule: color-mix(in oklab, var(--ink) 22%, transparent); --acc: var(--deep); background: var(--b2); color: var(--ink); box-shadow: none; }
.sk-want p { font-size: 16px; line-height: 1.55; max-width: 52ch; }
.sk-want__cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
@media (min-width: 1024px) {
  .sk-build__grid { grid-template-columns: minmax(340px, 410px) minmax(0, 1fr); align-items: start; }
  .sk-est { position: sticky; top: calc(var(--nav-h) + 24px); }
}

/* ---------- FULL PAGE (scrolling frame) ---------- */
.sk-full__grid { display: grid; gap: clamp(24px, 3vw, 48px); }
.sk-full__head { display: grid; gap: 16px; align-content: center; justify-items: start; }
.sk-meter { display: grid; gap: 10px; width: min(100%, 320px); margin-top: 8px; }
.sk-meter__bar { height: 6px; border-radius: 6px; background: var(--line-deep); overflow: hidden; }
.sk-meter__bar i { display: block; width: 100%; height: 100%; background: var(--b2); transform-origin: 0 50%; transform: scaleX(var(--p, 1)); }
[dir="rtl"] .sk-meter__bar i { transform-origin: 100% 50%; }
.sk-meter__px { font-size: 13px; color: var(--fg-2); direction: ltr; unicode-bidi: isolate; text-align: start; }
.sk-meter__px b { font: 400 22px/1 var(--f-num); color: var(--fg); }
.sk-scroll { width: 100%; }
.sk-scroll__view { position: relative; display: block; height: clamp(380px, 112vw, 640px); overflow: hidden; background: var(--cream-2); }
.sk-scroll__view img { width: 100%; height: auto; will-change: transform; }
.sk-scroll__fade { position: absolute; z-index: 1; inset: auto 0 0 0; height: 34%; background: linear-gradient(to top, color-mix(in oklab, var(--ink) 78%, transparent), transparent); pointer-events: none; transition: opacity .5s; }
.sk-scroll__hint { position: absolute; z-index: 2; left: 50%; bottom: 18px; translate: -50% 0; display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 18px; border-radius: 999px; background: var(--b2); color: var(--ink); font-size: 14px; font-weight: 700; white-space: nowrap; box-shadow: 0 12px 24px -12px rgb(0 0 0 / .6); transition: transform .45s var(--ease); }
.sk-scroll:hover .sk-scroll__hint { transform: translateY(-4px); }
.sk-scroll.is-pan .sk-scroll__fade { opacity: .35; }
@media (min-width: 1024px) {
  .sk-full__grid { grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr); align-items: center; }
  .sk-scroll__view { height: min(calc(100vh - var(--nav-h) - 120px), 700px); min-height: 440px; }
}

/* previous / next */
.sk-pn { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(10px, 1.4vw, 18px); margin-top: clamp(36px, 5vw, 72px); }
.sk-pn__a { display: grid; grid-template-columns: clamp(92px, 11vw, 170px) minmax(0, 1fr); align-items: center; gap: clamp(12px, 1.6vw, 20px); padding: 10px; border-radius: 22px; background: color-mix(in oklab, var(--cream) 6%, transparent); box-shadow: inset 0 0 0 1px var(--line-deep); color: var(--cream); text-decoration: none; transition: background-color .35s, color .35s, transform .5s var(--ease); }
.sk-pn__a--next { grid-template-columns: minmax(0, 1fr) clamp(92px, 11vw, 170px); text-align: end; }
.sk-pn__a--next .sk-pn__img { order: 2; }
.sk-pn__img img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; object-position: top; border-radius: 14px; }
.sk-pn__txt { display: grid; gap: 6px; min-width: 0; font: 400 clamp(19px, 1.9vw, 28px)/1.04 var(--f-display); text-transform: var(--display-case); letter-spacing: var(--display-track); overflow-wrap: anywhere; }
.sk-pn__txt small { font: 700 12px/1.2 var(--f-body); letter-spacing: .08em; text-transform: uppercase; color: var(--b2-lite); }
.sk-pn__a:hover { background: var(--b2); color: var(--ink); transform: translateY(-4px); }
.sk-pn__a:hover small { color: var(--ink); }
.sk-pn__a:focus-visible { outline-offset: 3px; }

/* ---------- RELATED + 3-up grids ---------- */
.sk-related .head { margin-bottom: clamp(20px, 2.6vw, 36px); }
@media (min-width: 768px) {
  .sk-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* ---------- CASE STUDY ---------- */
.sk-hero__title--case { font-size: clamp(50px, 12vw, 132px); }
.sk-hero__title--case em { font-size: .4em; max-width: 26ch; }
.sk-hero--case .ph__copy .eyebrow { color: var(--fg); }
/* hero stage: desktop screenshot in a browser frame + the phone on top */
.sk-stage { position: relative; z-index: 3; padding: 2% 9% 12% 0; }
.sk-stage::before { content: ""; position: absolute; z-index: -1; inset: 8% 6% 4% 10%; border-radius: 50%; background: radial-gradient(closest-side, color-mix(in oklab, var(--b2) 55%, transparent), transparent 72%); opacity: .55; filter: blur(34px); }
.sk-stage__main { transform: rotate(calc(-2deg * var(--dir))); }
.sk-stage__tag { position: absolute; inset-inline-start: 12px; bottom: 12px; padding: 6px 10px; border-radius: 999px; background: color-mix(in oklab, var(--ink) 78%, transparent); color: var(--cream); font: 700 10.5px/1 var(--f-body); letter-spacing: .08em; text-transform: uppercase; -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.sk-stage__phone { position: absolute; z-index: 2; inset-inline-end: 0; bottom: 0; width: clamp(96px, 11vw, 168px); padding: 6px; border-radius: 24px; transform: rotate(calc(5deg * var(--dir))); }
.sk-stage__phone::before { top: 10px; height: 9px; }
.sk-stage__phone img { border-radius: 19px; }

/* sticky contents bar */
.sk-toc { position: sticky; z-index: 30; top: calc(var(--nav-h) + 12px); margin-top: clamp(14px, 2vw, 22px); pointer-events: none; }
.sk-toc { transition: opacity .4s, visibility .4s; }
.sk-toc.is-done { opacity: 0; visibility: hidden; }
.sk-toc__bar { pointer-events: auto; display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; padding: 6px; border-radius: 999px; background: var(--ink); color: var(--cream); box-shadow: 0 20px 36px -22px color-mix(in oklab, var(--ink) 85%, transparent), inset 0 0 0 1px color-mix(in oklab, var(--cream) 10%, transparent); scroll-padding-inline: 12px; }
.sk-toc__bar::-webkit-scrollbar { display: none; }
.sk-toc__bar a { flex: none; display: inline-flex; align-items: center; gap: 8px; min-height: 40px; padding: 0 14px; border-radius: 999px; font-size: 13.5px; font-weight: 650; color: var(--on-deep-2); text-decoration: none; white-space: nowrap; transition: background-color .3s, color .3s; }
.sk-toc__bar a span { font: 400 14px/1 var(--f-num); color: var(--b2-lite); }
.sk-toc__bar a:hover { color: var(--cream); background: color-mix(in oklab, var(--cream) 10%, transparent); }
.sk-toc__bar a.is-on { background: var(--b2); color: var(--ink); }
.sk-toc__bar a.is-on span { color: var(--ink); }
.sk-toc__bar a:focus-visible { outline: 2px solid var(--b2); outline-offset: -2px; }
.sk-cs-sec { scroll-margin-top: calc(var(--nav-h) + 70px); }
.sk-cs-head { max-width: 980px; }
.sk-cs-head .lede { max-width: 46em; }
.band--hot .sk-cs-head .lede { color: var(--ink); }

/* overview */
.sk-over__grid { display: grid; gap: clamp(26px, 4vw, 60px); align-items: center; }
.sk-over__copy { display: grid; gap: 18px; justify-items: start; }
.sk-over__prose .sk-lead { font-size: clamp(18px, 1.45vw, 21px); line-height: 1.55; color: var(--ink); font-weight: 500; }
.sk-stack--light li { min-height: 40px; font-size: 14px; }
.sk-stack--light li:nth-child(3n+2) { background: var(--ink); color: var(--cream); }
.sk-over__fig { margin: 0; display: grid; gap: 10px; }
.sk-over__fig img { width: 100%; border-radius: var(--r-lg); box-shadow: 0 0 0 1px var(--line), 0 40px 70px -40px color-mix(in oklab, var(--ink) 70%, transparent); transform: rotate(calc(1.5deg * var(--dir))); }
.sk-over__fig figcaption, .sk-cap { font-size: 13.5px; line-height: 1.5; color: var(--fg-2); }
.sk-cap--dark { color: var(--ink); margin-top: 12px; }
.sk-cap a { color: inherit; font-weight: 650; text-decoration-thickness: 1.5px; }
@media (min-width: 1024px) { .sk-over__grid { grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); } }

/* cards */
.sk-cards { display: grid; gap: clamp(12px, 1.4vw, 20px); grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); }
.sk-cards--2 { grid-template-columns: minmax(0, 1fr); }
@media (min-width: 768px) { .sk-cards--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.sk-card { position: relative; display: grid; gap: 10px; align-content: start; padding: clamp(20px, 2.2vw, 30px); border-radius: 24px; overflow: hidden; isolation: isolate; }
.sk-card--paper { background: var(--paper); color: var(--ink); box-shadow: 0 0 0 1px var(--line), 0 26px 44px -30px color-mix(in oklab, var(--ink) 60%, transparent); --fg: var(--ink); --fg-2: var(--ink-2); }
.band--hot .sk-card--paper { box-shadow: 0 30px 50px -30px color-mix(in oklab, var(--b2-ink) 95%, transparent); }
.sk-card--glass { background: color-mix(in oklab, var(--cream) 6%, transparent); box-shadow: inset 0 0 0 1px var(--line-deep); color: var(--cream); }
.sk-card--sm { padding: clamp(18px, 2vw, 24px); }
.sk-card__n { position: absolute; z-index: -1; inset-inline-end: 14px; top: 8px; font: 400 clamp(76px, 7vw, 112px)/.8 var(--f-num); color: transparent; -webkit-text-stroke: 1.5px color-mix(in oklab, currentColor 22%, transparent); direction: ltr; user-select: none; }
.sk-card__k { font: 700 12px/1.25 var(--f-body); letter-spacing: .08em; text-transform: uppercase; color: var(--b1-ink); padding-inline-end: 72px; }
.sk-card--glass .sk-card__k { color: var(--b2-lite); }
.sk-card__k--chip { display: inline-flex; align-items: center; gap: 6px; width: fit-content; padding: 6px 12px; border-radius: 999px; background: color-mix(in oklab, var(--b1) 10%, transparent); }
.sk-card__h { font: 400 clamp(22px, 2vw, 30px)/1.02 var(--f-display); text-transform: var(--display-case); letter-spacing: var(--display-track); padding-inline-end: 64px; text-wrap: balance; }
.sk-card--sm .sk-card__h { font-size: clamp(20px, 1.7vw, 25px); padding-inline-end: 0; }
.sk-card p { font-size: 15.5px; line-height: 1.6; color: var(--fg-2); }
.sk-card--glass p { color: var(--on-deep-2); }
.sk-card__dl { display: grid; gap: 4px; margin: 4px 0 0; }
.sk-card__dl dt { margin-top: 8px; font: 700 11.5px/1.2 var(--f-body); letter-spacing: .08em; text-transform: uppercase; color: var(--b2-lite); }
.sk-card__dl dd { margin: 0; font-size: 14.5px; line-height: 1.55; color: color-mix(in oklab, var(--cream) 82%, var(--ink)); }

/* decisions */
.sk-dec__list { display: grid; gap: clamp(14px, 1.6vw, 22px); }
.sk-dec__item { display: grid; gap: 18px; padding: clamp(20px, 2.4vw, 34px); border-radius: var(--r-lg); background: var(--cream); box-shadow: 0 0 0 1px var(--line); }
.sk-dec__head { display: flex; align-items: center; gap: clamp(14px, 1.8vw, 24px); }
.sk-dec__head h3 { font: 400 clamp(24px, 2.4vw, 36px)/1 var(--f-display); text-transform: var(--display-case); letter-spacing: var(--display-track); text-wrap: balance; }
.sk-step__n { position: relative; flex: none; font: 400 clamp(54px, 5.4vw, 84px)/.8 var(--f-num); color: transparent; -webkit-text-stroke: 2px var(--ink); direction: ltr; user-select: none; }
.sk-step__n::after { content: attr(data-n); position: absolute; inset: 0; color: var(--b2); -webkit-text-stroke: 2px var(--ink); clip-path: inset(calc((1 - var(--fill, 1)) * 100%) 0 0 0); }
.sk-dec__cells { display: grid; gap: 1px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr)); background: var(--line); border-radius: 16px; overflow: hidden; box-shadow: 0 0 0 1px var(--line); }
.sk-dec__cell { display: grid; gap: 6px; align-content: start; padding: 16px 18px; background: var(--paper); }
.sk-dec__cell strong { font: 700 11.5px/1.2 var(--f-body); letter-spacing: .08em; text-transform: uppercase; color: var(--b1-ink); }
.sk-dec__cell p { font-size: 15px; line-height: 1.6; color: var(--ink-2); }
.sk-dec__cell--outcome { background: color-mix(in oklab, var(--b2) 12%, var(--paper)); }
.sk-dec__cell--tradeoffs strong { color: var(--b2-ink); }

/* split layouts, callouts, spec tables */
.sk-split { display: grid; gap: clamp(24px, 4vw, 60px); }
.sk-split__a { display: grid; gap: 18px; align-content: start; justify-items: start; }
@media (min-width: 1024px) {
  .sk-split { grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); align-items: start; }
  .sk-split--4-8 { grid-template-columns: minmax(0, .62fr) minmax(0, 1.38fr); }
}
.sk-callout { margin-top: 6px; padding: 14px 18px; border-radius: 16px; background: var(--cream-2); color: var(--ink-2); font-size: 14.5px; line-height: 1.6; }
.sk-callout strong { color: var(--ink); }
.sk-callout--warn { background: color-mix(in oklab, var(--b2) 14%, var(--paper)); color: var(--ink); }
.sk-callout--line { margin-top: clamp(18px, 2.4vw, 30px); background: transparent; box-shadow: inset 0 0 0 1.5px var(--rule); max-width: 980px; }
.sk-spec .cmp, .sk-cost2__t { min-width: 0; }
.sk-spec .cmp tbody th { width: 34%; }
.sk-sol__t { min-width: 980px; font-size: 14.5px; }
.sk-sol__t tbody th { min-width: 180px; }
.cmp .num { text-align: end; white-space: nowrap; font-variant-numeric: tabular-nums; }

/* UX gallery */
.sk-ux__stage { display: grid; gap: clamp(16px, 2.4vw, 32px); align-items: start; }
.sk-shotfig { margin: 0; display: grid; gap: 10px; min-width: 0; }
.sk-shotfig--phone { width: min(100%, 300px); justify-self: center; }
.sk-shotfig--wide { margin-top: clamp(22px, 3vw, 40px); }
.sk-secondary img { aspect-ratio: 16 / 10; object-fit: cover; object-position: top; }
.sk-ux__cards { margin-top: clamp(28px, 4vw, 52px); }
@media (min-width: 1024px) {
  .sk-ux__stage { grid-template-columns: minmax(0, 1fr) clamp(220px, 20vw, 290px); align-items: center; }
  .sk-shotfig--phone { width: 100%; }
}

/* cost (case study) */
.sk-cost2__grid { display: grid; gap: clamp(16px, 2vw, 28px); align-items: start; }
.sk-est--cs { gap: 10px; }
.sk-cost2__big { font: 400 clamp(38px, 4.6vw, 66px)/.98 var(--f-num); color: var(--b1-accent); letter-spacing: .005em; overflow-wrap: anywhere; }
.sk-cost2__note { font-size: 14px; }
.sk-cost2 .cmp-wrap { box-shadow: none; }
@media (min-width: 1024px) { .sk-cost2__grid { grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); } }

/* lessons */
.sk-less__list { list-style: none; margin: 0; padding: 0; display: grid; }
.sk-less__list li { display: grid; grid-template-columns: clamp(56px, 6vw, 84px) minmax(0, 1fr); gap: 14px; align-items: baseline; padding-block: clamp(14px, 1.8vw, 22px); border-top: 1px solid var(--rule); font: 500 clamp(17px, 1.45vw, 21px)/1.5 var(--f-body); color: var(--cream); }
.sk-less__list li:last-child { border-bottom: 1px solid var(--rule); }
.sk-less__n { font: 400 clamp(34px, 3.4vw, 52px)/.9 var(--f-num); color: var(--b2-on-deep); direction: ltr; }

/* status + open items */
.sk-stat__pill { margin: 4px 0 2px; }
.sk-stat .sk-pill { color: var(--ink); background: var(--cream-2); }
.sk-open { display: grid; gap: 12px; padding: clamp(22px, 2.6vw, 36px); border-radius: var(--r-lg); background: var(--deep); color: var(--cream); box-shadow: 0 40px 70px -40px color-mix(in oklab, var(--deep) 90%, transparent); }
.sk-open .sk-card__k { color: var(--b2-lite); padding: 0; }
.sk-open .sk-card__h { padding: 0; }
.sk-open__list { list-style: none; margin: 6px 0 0; padding: 0; display: grid; }
.sk-open__list li { display: flex; gap: 12px; padding-block: 12px; border-top: 1px solid var(--line-deep); font-size: 15.5px; line-height: 1.55; color: var(--on-deep-2); }
.sk-open__list i { flex: none; color: var(--b2); font-size: 13px; line-height: 1.9; }

/* related case studies (the /portfolio reel cards, as a grid) */
.sk-cases { display: grid; gap: clamp(12px, 1.4vw, 18px); grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (min-width: 768px) and (max-width: 1023px) { .sk-cases { grid-template-columns: repeat(2, minmax(0, 1fr)); } .sk-cases > :first-child { grid-column: 1 / -1; } }
.sk-cases .fr { flex: none; width: auto; }
.sk-cases .fr__art > img { object-position: top center; transition: transform 1.2s var(--ease); }
.sk-cases .fr:hover .fr__art > img { transform: scale(1.04); }
.sk-cases .fr:hover .pf-cs__go i { transform: translateX(calc(5px * var(--dir))); }

/* ---------- DESIGN WORK (collections + pieces) ---------- */
.sk-hero__title--work { font-size: clamp(56px, 12vw, 150px); }
.sk-hero__title--work em { display: block; font-size: .6em; line-height: .95; margin-top: .06em; max-width: none; }
.pf-jump.sk-jump { grid-template-columns: repeat(var(--n, 4), minmax(0, 1fr)); }
/* hero fan of the collection's own designs */
.sk-fan { position: relative; z-index: 3; height: clamp(250px, 34vw, 520px); pointer-events: none; }
.sk-fan__item { --o: calc(var(--i) - 2); position: absolute; left: 50%; top: 50%; width: 56%; overflow: hidden; border-radius: 14px; background: var(--paper); box-shadow: 0 0 0 1px color-mix(in oklab, var(--ink) 14%, transparent), 0 30px 50px -26px color-mix(in oklab, var(--ink) 80%, transparent); transform: translate(-50%, -50%) translateX(calc(var(--o) * 24% * var(--dir))) translateY(calc(var(--o) * var(--o) * 5%)) rotate(calc(var(--o) * 6deg * var(--dir))); z-index: calc(10 - var(--o) * var(--o)); }
.sk-fan__item img { width: 100%; height: auto; }
.sk-fan--fly .sk-fan__item { width: 34%; transform-origin: 50% 130%; transform: translate(-50%, -50%) rotate(calc(var(--o) * 11deg * var(--dir))) translateY(calc(var(--o) * var(--o) * 2%)); border-radius: 6px; }
.sk-fan--dash .sk-fan__item { width: 66%; border-radius: 10px; z-index: calc(10 - var(--i)); transform: translate(-50%, -50%) perspective(1400px) rotateY(calc(-20deg * var(--dir))) rotateX(6deg) translate3d(calc(var(--o) * -11% * var(--dir)), calc(var(--o) * 10%), 0); }
.sk-fan--pack .sk-fan__item { border-radius: 18px; }

/* piece hero (work show) */
.sk-piece { position: relative; z-index: 3; padding: 4% 6% 12% 4%; }
.sk-piece__main { position: relative; display: block; overflow: hidden; border-radius: 18px; background: var(--paper); color: var(--ink); text-decoration: none; box-shadow: 0 0 0 1px color-mix(in oklab, var(--ink) 14%, transparent), 0 44px 80px -40px color-mix(in oklab, var(--ink) 80%, transparent); transform: rotate(calc(-2deg * var(--dir))); }
.sk-piece__main:focus-visible { outline: 3px solid var(--acc); outline-offset: 4px; }
.sk-piece__img { position: relative; display: block; }
.sk-piece__img img { display: block; width: 100%; height: auto; }
.sk-piece--tall .sk-piece__img { max-height: clamp(360px, 44vw, 600px); overflow: hidden; }
.sk-piece--fly .sk-piece__main, .sk-piece--portrait .sk-piece__main { max-width: 430px; margin-inline: auto; border-radius: 8px; transform: rotate(calc(-3deg * var(--dir))); }
.sk-piece--dash .sk-piece__main { border-radius: 14px; }
.sk-piece .sk-scroll__fade { height: 40%; }
.sk-piece .sk-scroll__hint { font-size: 13px; }
.sk-piece__chip { position: absolute; z-index: 2; width: clamp(96px, 10vw, 150px); display: grid; gap: 4px; padding: 6px 6px 8px; border-radius: 12px; background: var(--paper); box-shadow: 0 22px 34px -18px rgb(0 0 0 / .55); }
.sk-piece__chip img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 8px; }
.sk-piece__chip b { font: 700 10px/1.25 var(--f-body); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-2); padding-inline: 2px; }
.sk-piece__chip:nth-of-type(1) { inset-inline-start: -1%; top: -2%; transform: rotate(calc(-8deg * var(--dir))); }
.sk-piece__chip:nth-of-type(2) { inset-inline-start: 3%; bottom: 0; transform: rotate(calc(5deg * var(--dir))); }
.sk-piece__chip:nth-of-type(3) { inset-inline-end: 0; bottom: 4%; transform: rotate(calc(-4deg * var(--dir))); }
.sk-facts--n { grid-template-columns: repeat(var(--n, 4), minmax(0, 1fr)); }
.sk-facts--n .sk-fact dd { font: 650 15.5px/1.4 var(--f-body); text-transform: none; letter-spacing: 0; }

/* the full set: flat sheet → mid-assembly → close-up */
.sk-line { position: relative; list-style: none; margin: 0; padding: 0; display: grid; gap: clamp(14px, 2vw, 28px); grid-template-columns: repeat(3, minmax(0, 1fr)); }
.sk-line::before { content: ""; position: absolute; z-index: 0; inset-inline: 6%; top: 30%; border-top: 2px dashed var(--line-deep); }
.sk-line__step { position: relative; z-index: 1; display: grid; gap: 14px; align-content: start; }
.sk-line__step:nth-child(2) { margin-top: clamp(0px, 4vw, 56px); }
.sk-line__step:nth-child(3) { margin-top: clamp(0px, 8vw, 112px); }
.sk-line__img { position: relative; display: block; aspect-ratio: 3 / 2; overflow: hidden; border-radius: 18px; background: var(--cream-2); box-shadow: 0 40px 70px -40px rgb(0 0 0 / .8); }
.sk-line__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease); }
.sk-line__img:hover img { transform: scale(1.04); }
.sk-line__img .pf-zoom { pointer-events: none; }
.sk-line__img:hover .pf-zoom { background: var(--b2); transform: scale(1.08) rotate(90deg); }
.sk-line__img:focus-visible { outline: 3px solid var(--b2); outline-offset: 3px; }
.sk-line__cap { display: flex; align-items: baseline; gap: 12px; font: 400 clamp(20px, 2vw, 28px)/1.05 var(--f-display); text-transform: var(--display-case); letter-spacing: var(--display-track); color: var(--cream); }
.sk-line__n { font: 400 clamp(36px, 3.4vw, 52px)/.9 var(--f-num); color: var(--b2-on-deep); direction: ltr; }
.sk-file__img img { aspect-ratio: 16 / 10; object-fit: cover; object-position: top; }

/* build sheet (work): features + spec + call to action */
.sk-spec2__list { display: grid; margin: 0; }
.sk-spec2__list div { display: grid; grid-template-columns: 104px minmax(0, 1fr); gap: 12px; padding-block: 12px; border-top: 1px solid var(--rule); }
.sk-spec2__list dt { font: 700 11.5px/1.45 var(--f-body); letter-spacing: .08em; text-transform: uppercase; color: var(--acc); }
.sk-spec2__list dd { margin: 0; font-size: 15px; line-height: 1.5; color: var(--fg-2); }
@media (min-width: 1024px) {
  .sk-build__grid.sk-build__grid--work { grid-template-columns: minmax(0, 1fr); }
  .sk-build__grid--work .sk-build__side { grid-template-columns: repeat(auto-fit, minmax(0, 1fr)); align-items: start; }
}
.sk-line__step--closeup .sk-line__img img { object-position: 50% 12%; }
.sk-build--work .sk-pn { margin-top: clamp(28px, 4vw, 56px); }
.sk-pn__img--fly img, .sk-pn__img--dash img { object-position: top; }

/* other collections (the /portfolio tickets) */
.sk-other { overflow: clip; }
.sk-tix .pf-tix__label strong { font: inherit; }
@media (min-width: 1024px) {
  .sk-tix { grid-template-columns: repeat(var(--n, 4), minmax(0, 1fr)); }
}
.sk-final .final__title .sk-final__need { font-size: max(calc(var(--W) / var(--k, 10)), min(11vw, 64px)); line-height: .95; white-space: normal; text-wrap: balance; }

/* ---------- FINAL poster ---------- */
.sk-final .final__title .f1 { font-size: calc(var(--W) / 6.6); line-height: .92; }
.sk-final .final__title .f3 { font-size: calc(var(--W) / 5.4); line-height: .9; }
.sk-final .final__title .f2 { font-size: calc(var(--W) / var(--k2, 6)); line-height: .92; }
.sk-final .final__title .sk-final__name { font-size: min(calc(var(--W) / var(--k, 6)), 24vw); line-height: 1.02; padding-block: .02em .06em; }
.sk-final .final__title .sk-final__name em { font-size: 1em; line-height: 1; color: var(--deep); }

/* ---------- LIGHTBOX additions (actual-size toggle; "open" link only for cards) ---------- */
.pf-lb__open[hidden] { display: none; }
.sk-lb .pf-lb__view img { cursor: zoom-in; }
.sk-lb .pf-lb__view.is-actual { justify-items: start; }
.sk-lb .pf-lb__view.is-actual img { width: auto; max-width: none; cursor: zoom-out; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1023px) {
  .sk-board { max-width: 640px; width: 100%; justify-self: center; padding: 2% 5% 16% 4%; }
  .sk-board__frame { --ry: -6deg; --rx: 4deg; }
}
@media (max-width: 1023px) {
  .sk-stage { max-width: 680px; width: 100%; justify-self: center; }
}
@media (max-width: 767px) {
  .sk-toc { top: calc(var(--nav-h) + 6px); }
  .sk-toc .wrap { padding-inline: 8px; }
  .sk-dec__cells { grid-template-columns: minmax(0, 1fr); }
  .sk-card__h { padding-inline-end: 52px; }
  .sk-wall { height: 230px; margin-inline: calc(-1 * var(--g)); transform: rotate(calc(-6deg * var(--dir))) scale(1.08); }
  .sk-wall__card b { display: none; }
  .pf-jump.sk-jump { grid-template-columns: 1fr 1fr; }
  .pf-jump.sk-jump a { grid-column: auto; }
  .pf-jump.sk-jump a:nth-child(odd) { border-inline-start: 0; padding-inline-start: 0; }
  .pf-jump.sk-jump a:nth-child(even) { border-inline-start: 1px solid var(--rule); padding-inline-start: 10px; }
  .sk-fan { height: 230px; }
  .sk-piece { padding: 4% 4% 14% 4%; }
  .sk-piece__chip { width: 76px; padding: 4px; border-radius: 9px; }
  .sk-piece__chip b { display: none; }
  .sk-facts--n { grid-template-columns: 1fr 1fr; }
  .sk-facts--n .sk-fact:nth-child(odd) { border-inline-start: 0; padding-inline-start: 0; }
  .sk-facts--n .sk-fact:nth-child(even) { border-inline-start: 1px solid var(--rule); padding-inline-start: 12px; }
  .sk-facts--n .sk-fact:nth-child(n+3) { border-top: 1px solid var(--rule); }
  .sk-facts--n .sk-fact:last-child:nth-child(odd) { grid-column: 1 / -1; }
  .sk-line { grid-template-columns: minmax(0, 1fr); }
  .sk-line::before { display: none; }
  .sk-line__step:nth-child(n) { margin-top: 0; }
  .sk-search { flex-basis: 100%; max-width: none; }
  .sk-board__pal span { display: none; }
  .sk-meter__bar { display: none; }
  .sk-facts { grid-template-columns: 1fr 1fr; row-gap: 6px; }
  .sk-fact:nth-child(3) { border-inline-start: 0; padding-inline-start: 0; }
  .sk-fact:nth-child(n+3) { border-top: 1px solid var(--rule); }
  .sk-facts--6 { grid-template-columns: 1fr 1fr; }
  .sk-facts--6 .sk-fact:nth-child(4) { border-inline-start: 1px solid var(--rule); padding-inline-start: clamp(10px, 1.6vw, 22px); }
  .sk-facts--6 .sk-fact:nth-child(odd) { border-inline-start: 0; padding-inline-start: 0; }
  .sk-facts--6 .sk-fact:nth-child(n+3) { border-top: 1px solid var(--rule); margin-top: 0; }
  .sk-hero__n { top: auto; bottom: 30%; font-size: 46vw; }
  .sk-board__type { width: 96px; border-radius: 16px; padding: 10px 8px; }
  .sk-board__type b { font-size: 42px; }
  .sk-board__type small { font-size: 9.5px; -webkit-line-clamp: 2; }
  .sk-board__pal li { width: 44px; box-shadow: 0 0 0 3px var(--paper), 0 12px 20px -10px rgb(0 0 0 / .5); margin-inline-start: -10px; }
  .sk-board__pal span { font-size: 9px; padding: 3px 5px; }
  .sk-ch { grid-template-columns: minmax(0, 1fr); }
  .sk-ch__n { font-size: 60px; margin-bottom: 10px; }
  .sk-pn { grid-template-columns: minmax(0, 1fr); }
  .sk-pn__a--next { grid-template-columns: clamp(92px, 11vw, 170px) minmax(0, 1fr); text-align: start; }
  .sk-pn__a--next .sk-pn__img { order: 0; }
  .sk-grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sk-grid-3 > :first-child { grid-column: 1 / -1; }
  .sk-grid-3 > :first-child .pf-card__cta { display: inline-flex; }
  .sk-cases { grid-template-columns: minmax(0, 1fr); }
}

/* legacy portfolio row */
.sk-legacy-body__tech { display: grid; gap: 12px; margin-top: clamp(22px, 3vw, 36px); }
.sk-legacy-body__url { margin-top: 20px; }
.sk-legacy-body .sk-card__k i { font-size: 22px; color: var(--b1); }

/* challenges table → stacked cards on phones (same cells, labels from the column headers) */
@media (max-width: 767px) {
  .sk-sol__wrap { overflow: visible; background: transparent; box-shadow: none; border-radius: 0; }
  .sk-sol__t { min-width: 0; display: block; }
  .sk-sol__t thead, .sk-sol__t thead tr { display: block; }
  .sk-sol__t thead tr { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
  .sk-sol__t thead th { position: static; display: inline-flex; padding: 6px 10px; border: 0; border-radius: 999px; background: var(--cream-2); font: 650 12px/1.3 var(--f-body); text-transform: none; color: var(--ink-2); }
  .sk-sol__t tbody, .sk-sol__t tr { display: block; }
  .sk-sol__t tr { margin-bottom: 12px; border-radius: 18px; background: var(--paper); box-shadow: 0 0 0 1px var(--line); overflow: hidden; }
  .sk-sol__t tbody th, .sk-sol__t td { display: block; border-bottom: 1px solid var(--line); }
  .sk-sol__t tbody th { min-width: 0; background: var(--cream-2); font-size: 15.5px; }
  .sk-sol__t td::before { content: attr(data-label); display: block; margin-bottom: 4px; font: 700 11px/1.2 var(--f-body); letter-spacing: .08em; text-transform: uppercase; color: var(--b1-ink); }
  .sk-sol__t tr > :last-child { border-bottom: 0; }
}