/* ==========================================================================
   Case study system — one template, eleven sections
   01 hero · 02 context · 03 challenge · 04 approach · 05 architecture
   06 solution · 07 technology · 08 outcome · 09 gallery · 10 next · 11 CTA
   Pages are generated by tools/build-case-studies.py; every project sets its
   own --accent (fills), --accent-ink (on light) and --accent-lit (on dark).
   ========================================================================== */
:root { --mono: ui-monospace, SFMono-Regular, Menlo, monospace; }

/* cross-document transitions (the matching rules live in works.css) */
@view-transition { navigation: auto; }
@media (prefers-reduced-motion: reduce) { @view-transition { navigation: none; } }
::view-transition-group(*) { animation-duration: 0.8s; animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1); }

/* ==========================================================================
   01 · Hero
   ========================================================================== */
.cs-hero {
  --band: clamp(6rem, 17vw, 17rem);
  position: relative; isolation: isolate; overflow-x: clip;
  padding-top: calc(var(--header-h) + clamp(1.5rem, 5vh, 4rem));
  background: linear-gradient(var(--black) calc(100% - var(--band)), var(--off-white) 0);
  color: var(--white);
}
.cs-hero::before { content: ""; position: absolute; left: 30%; right: -10%; top: 6%; z-index: -1; height: 62%; background: radial-gradient(42% 52% at 58% 50%, color-mix(in srgb, var(--accent) 36%, transparent), transparent 70%); pointer-events: none; }
.cs-crumbs ol { display: flex; flex-wrap: wrap; gap: 0.6rem; font-size: var(--fs-small); color: rgb(255 255 255 / 0.55); }
.cs-crumbs li + li::before { content: "/"; margin-right: 0.6rem; opacity: 0.5; }
.cs-crumbs a { transition: color 0.3s; }
.cs-crumbs a:is(:hover, :focus-visible) { color: var(--white); }

.cs-hero__kicker { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1.25rem; margin-top: clamp(2rem, 6vh, 4.5rem); font-size: var(--fs-small); font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: rgb(255 255 255 / 0.55); }
.cs-hero__kicker span:first-child { color: var(--accent-lit); font-variant-numeric: tabular-nums; }
.cs-hero__kicker span + span::before { content: ""; display: inline-block; width: 2rem; height: 1px; margin-right: 1.25rem; background: currentColor; vertical-align: middle; opacity: 0.6; }
.cs-hero__title { margin-top: clamp(0.75rem, 2vh, 1.5rem); font-size: clamp(3.2rem, 0.4rem + 10vw, 13.5rem); font-weight: 700; line-height: 0.88; letter-spacing: -0.065em; }
.cs-hero__title .mask { display: block; width: fit-content; padding-bottom: 0.18em; margin-bottom: -0.18em; }

.cs-hero__row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); align-items: end; gap: 2rem clamp(2rem, 6vw, 8rem); margin-top: clamp(2rem, 4vw, 3.5rem); }
.cs-hero__lead { max-width: 26em; font-size: clamp(1.1rem, 0.85rem + 0.7vw, 1.7rem); line-height: 1.35; letter-spacing: -0.02em; color: rgb(255 255 255 / 0.72); }
.cs-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
.cs-facts div { padding-top: 1rem; border-top: 1px solid rgb(255 255 255 / 0.3); }
.cs-facts dt { font-size: var(--fs-micro); font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: rgb(255 255 255 / 0.5); }
.cs-facts dd { margin-top: 0.5rem; font-weight: 600; line-height: 1.35; }

.cs-cover { margin-top: clamp(3rem, 7vh, 6rem); }
.cs-cover__media { aspect-ratio: 16 / 9; overflow: hidden; background: #111; }
.cs-cover__media img { width: 100%; height: 100%; object-fit: cover; }

@media (prefers-reduced-motion: no-preference) {
  .js .cs-hero__title .mask > span { transform: translate3d(0, 110%, 0); }
  .is-loaded .cs-hero__title .mask > span { transform: none; transition: transform 1.3s var(--ease-out) calc(var(--d) * 120ms + 150ms); }
  @supports (animation-timeline: view()) and (animation-range: entry) {
    .cs-cover__media img { animation: cs-drift linear both; animation-timeline: view(); animation-range: exit 0% exit 100%; }
    @keyframes cs-drift { to { transform: scale(1.08); } }
  }
}

/* ==========================================================================
   02 · Context
   ========================================================================== */
.cs-ctx { background: var(--off-white); color: var(--black); padding-block: clamp(5rem, 10vw, 11rem); }
.cs-ctx__grid { display: grid; grid-template-columns: minmax(0, 0.55fr) minmax(0, 1.45fr); gap: 1.5rem clamp(2rem, 6vw, 8rem); }
.cs-ctx .d-eyebrow { align-self: start; padding-top: 0.9em; }
.cs-ctx__title { font-size: clamp(2.2rem, 0.9rem + 4.2vw, 6rem); font-weight: 700; line-height: 0.98; letter-spacing: -0.05em; }
.cs-ctx__title .mask { display: block; width: fit-content; padding-bottom: 0.14em; margin-bottom: -0.14em; }
.cs-ctx__title .mask:first-child { color: #8a8a8a; }
.cs-ctx__body { grid-column: 2; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem clamp(1.5rem, 3vw, 3rem); margin-top: clamp(1.75rem, 3.5vw, 3rem); padding-top: clamp(1.5rem, 2.5vw, 2rem); border-top: 1px solid var(--black); }
.cs-ctx__body p { font-size: clamp(1rem, 0.9rem + 0.35vw, 1.25rem); line-height: 1.5; color: #555; }

/* ==========================================================================
   03 · Challenge — oversized type and prose, no cards
   ========================================================================== */
.cs-chal { background: var(--black); color: var(--white); padding-block: clamp(5rem, 10vw, 12rem); }
.cs-chal__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem) clamp(2rem, 6vw, 8rem); }
.cs-chal__title { font-size: clamp(3rem, 0.6rem + 8.6vw, 12rem); font-weight: 700; line-height: 0.86; letter-spacing: -0.065em; }
.cs-chal__title .mask { display: block; width: fit-content; padding-bottom: 0.16em; margin-bottom: -0.16em; }
.cs-chal__title .mask:last-child { color: transparent; -webkit-text-stroke: 1.5px rgb(255 255 255 / 0.55); }
.cs-chal__text { align-self: end; }
.cs-chal__text p { font-size: clamp(1rem, 0.9rem + 0.35vw, 1.25rem); line-height: 1.6; color: rgb(255 255 255 / 0.62); }
.cs-chal__text p + p { margin-top: 1.25rem; }
.cs-chal__lead { font-size: clamp(1.3rem, 1rem + 1.2vw, 2.25rem) !important; line-height: 1.3 !important; letter-spacing: -0.03em; color: var(--white) !important; }
.cs-chal__rail { margin-top: clamp(2.5rem, 4vw, 3.5rem); border-top: 1px solid var(--border-dark); }
.cs-chal__rail li { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 0.35rem 1.5rem; padding-block: 1rem; border-bottom: 1px solid var(--border-dark); }
.cs-chal__rail b { font-size: var(--fs-small); font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent-lit); }
.cs-chal__rail span { font-size: 0.98rem; line-height: 1.45; color: rgb(255 255 255 / 0.66); }

/* ==========================================================================
   04 · Approach — a flow, not a list
   ========================================================================== */
.cs-apr { background: var(--off-white); color: var(--black); padding-block: clamp(5rem, 10vw, 11rem); }
.apr { display: grid; grid-template-columns: repeat(var(--n, 4), minmax(0, 1fr)); gap: clamp(1.5rem, 3vw, 3rem); margin-top: clamp(3.5rem, 6vw, 6.5rem); }
.apr__step { position: relative; }
.apr__node { position: relative; display: flex; align-items: baseline; gap: 0.75rem; padding: clamp(1rem, 1.6vw, 1.5rem); border: 1px solid rgb(0 0 0 / 0.16); border-radius: 1rem; background: var(--white); transition: border-color 0.5s, box-shadow 0.5s; }
.apr__node b { font-size: var(--fs-small); font-weight: 600; letter-spacing: 0.08em; color: var(--accent-ink); font-variant-numeric: tabular-nums; }
.apr__name { font-size: clamp(1.05rem, 0.9rem + 0.5vw, 1.45rem); font-weight: 600; line-height: 1.15; letter-spacing: -0.03em; }
.apr__text { margin-top: 1rem; padding-left: clamp(1rem, 1.6vw, 1.5rem); font-size: 0.98rem; line-height: 1.5; color: #5e5e5e; }
/* connector between nodes */
.apr__step + .apr__step .apr__node::before { content: ""; position: absolute; top: 50%; right: 100%; width: clamp(1.5rem, 3vw, 3rem); height: 1px; background: linear-gradient(90deg, var(--purple), var(--blue)); transform: scaleX(0); transform-origin: 0 50%; transition: transform 0.6s var(--ease-out) calc(var(--i) * 120ms); }
.apr__step + .apr__step .apr__node::after { content: ""; position: absolute; top: 50%; right: calc(100% - 1px); width: 0.45rem; height: 0.45rem; border-top: 1px solid var(--blue); border-right: 1px solid var(--blue); rotate: 45deg; translate: 0 -50%; opacity: 0; transition: opacity 0.4s var(--ease-soft) calc(var(--i) * 120ms + 0.35s); }
.apr__step.is-in .apr__node::before { transform: none; }
.apr__step.is-in .apr__node::after { opacity: 1; }
.apr__step:hover .apr__node { border-color: var(--accent-ink); }

/* ==========================================================================
   05 · Design & architecture — layered board
   ========================================================================== */
.cs-arch { background: var(--black); color: var(--white); padding-block: clamp(5rem, 10vw, 11rem); }
.arch { position: relative; margin-top: clamp(3.5rem, 6vw, 6.5rem); border-top: 1px solid rgb(255 255 255 / 0.5); }
.arch::before { content: ""; position: absolute; left: clamp(1.5rem, 4vw, 5rem); top: 0; bottom: 0; width: 1px; background: linear-gradient(var(--purple), var(--blue)); transform-origin: 50% 0; }
.arch__layer { position: relative; display: grid; grid-template-columns: minmax(0, 0.6fr) minmax(0, 1.4fr); align-items: center; gap: 1rem clamp(2rem, 6vw, 7rem); padding-block: clamp(1.5rem, 2.6vw, 2.5rem); border-bottom: 1px solid var(--border-dark); }
.arch__k { display: flex; align-items: baseline; gap: 1rem; padding-left: clamp(3rem, 7vw, 8rem); font-size: clamp(1.4rem, 1rem + 1.2vw, 2.5rem); font-weight: 600; line-height: 1; letter-spacing: -0.04em; }
.arch__k b { font-size: var(--fs-small); font-weight: 600; letter-spacing: 0.08em; color: var(--accent-lit); }
.arch__k::before { content: ""; position: absolute; left: clamp(1.5rem, 4vw, 5rem); width: 11px; height: 11px; margin-left: -5px; border-radius: 50%; background: var(--black); box-shadow: inset 0 0 0 1.5px rgb(255 255 255 / 0.5); transition: background-color 0.5s, box-shadow 0.5s; transition-delay: calc(var(--i) * 140ms + 0.3s); }
.arch__layer.is-in .arch__k::before { background: var(--accent); box-shadow: inset 0 0 0 1.5px var(--accent); }
.arch__nodes { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.arch__nodes li { padding: 0.55rem 0.95rem; border: 1px solid rgb(255 255 255 / 0.22); border-radius: 999px; font-size: 0.95rem; font-weight: 500; transition: border-color 0.4s, color 0.4s; }
.arch__layer:hover .arch__nodes li { border-color: color-mix(in srgb, var(--accent) 60%, transparent); }

@media (prefers-reduced-motion: no-preference) {
  .arch::before { transform: scaleY(0); transition: transform 1.6s var(--ease-out); }
  .arch:has(.arch__layer.is-in)::before { transform: none; }
  @supports (animation-timeline: view()) and (animation-range: entry) {
    .arch::before { transition: none; animation: arch-signal linear both; animation-timeline: view(); animation-range: entry 20% cover 70%; }
    @keyframes arch-signal { from { transform: scaleY(0); } to { transform: none; } }
  }
}

/* ==========================================================================
   06 · Solution — mixed-size shots in device frames
   ========================================================================== */
.cs-sol { background: var(--off-white); color: var(--black); padding-block: clamp(5rem, 10vw, 11rem); }
.shots { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(2.5rem, 6vw, 6rem) clamp(1.5rem, 3vw, 3rem); margin-top: clamp(3.5rem, 6vw, 6.5rem); }
.shot { min-width: 0; }
.shot--full { grid-column: span 12; }
.shot--half { grid-column: span 6; align-self: end; }
.shot--float { grid-column: 7 / span 6; margin-top: clamp(-7rem, -5vw, -2rem); }
.shot figcaption { display: grid; grid-template-columns: 2.25rem minmax(0, 1fr); gap: 0.75rem; max-width: 34em; margin-top: 1.25rem; font-size: 0.95rem; line-height: 1.5; color: #5e5e5e; }
.shot figcaption b { font-weight: 600; letter-spacing: 0.08em; color: var(--accent-ink); font-variant-numeric: tabular-nums; }
.shot img { width: 100%; height: auto; }

/* device frames */
.dev { position: relative; }
.dev--plain img { border: 1px solid var(--border-light); }
.dev--browser { border-radius: 0.9rem; overflow: hidden; background: #e6e6e6; box-shadow: inset 0 0 0 1px rgb(0 0 0 / 0.08); }
.dev__bar { display: flex; align-items: center; gap: 0.4rem; height: 2.15rem; padding-inline: 0.9rem; }
.dev__bar i { width: 0.55rem; aspect-ratio: 1; border-radius: 50%; background: #c2c2c2; }
.dev__bar span { flex: 1; max-width: 20rem; height: 0.8rem; margin-left: 0.6rem; border-radius: 999px; background: #f6f6f6; }
.dev__screen { display: block; overflow: hidden; }
.dev--phone { width: min(100%, 20rem); margin-inline: auto; padding: 0.55rem; border-radius: 2.4rem; background: #141418; box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.08); }
/* a portrait crop must not tower over the column it sits in */
.shot--half .dev--plain, .shot--float .dev--plain { display: grid; justify-items: start; }
.shot--half .dev--plain img, .shot--float .dev--plain img { max-height: 38rem; width: auto; max-width: 100%; }
.dev--phone .dev__screen { border-radius: 2rem; }
.dev--phone::before { content: ""; position: absolute; top: 1.1rem; left: 50%; z-index: 1; width: 22%; height: 0.55rem; translate: -50% 0; border-radius: 999px; background: #141418; }
.dev--tv { padding: 0.75rem; border-radius: 0.6rem; background: #141418; box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.08); }
.dev--tv::after { content: ""; position: absolute; left: 50%; bottom: -0.85rem; width: 22%; height: 0.85rem; translate: -50% 0; border-radius: 0 0 0.4rem 0.4rem; background: #1d1d22; }
.dev--tv .dev__screen { border-radius: 0.25rem; }

@media (prefers-reduced-motion: no-preference) {
  /* the frame opening replaces the default reveal */
  .js .shot[data-reveal] { opacity: 1; transform: none; }
  .js .shot .dev { clip-path: inset(0 0 100% 0); transition: clip-path 1.3s var(--ease-in-out); }
  .js .shot.is-in .dev { clip-path: inset(0 0 0 0); }
  .js .shot img { transform: scale(1.1); transition: transform 1.6s var(--ease-out); }
  .js .shot.is-in img { transform: none; }
  @supports (animation-timeline: view()) and (animation-range: entry) {
    .js .shot .dev { transition: none; animation: shot-open linear both; animation-timeline: view(); animation-range: entry 0% cover 35%; }
    .js .shot img { transition: none; animation: shot-settle linear both; animation-timeline: view(); animation-range: entry 0% cover 45%; }
    @keyframes shot-open { from { clip-path: inset(0 0 100% 0); } to { clip-path: inset(0 0 0 0); } }
    @keyframes shot-settle { from { transform: scale(1.1); } to { transform: none; } }
  }
}

/* ==========================================================================
   07 · Technology — an engineering system, not a logo wall
   ========================================================================== */
.cs-tech { background: var(--black); color: var(--white); padding-block: clamp(5rem, 10vw, 11rem); }
.tech { margin-top: clamp(3.5rem, 6vw, 6.5rem); border-top: 1px solid rgb(255 255 255 / 0.5); }
.tech__row { position: relative; display: grid; grid-template-columns: minmax(0, 0.6fr) minmax(0, 1.4fr); gap: 1.25rem clamp(2rem, 6vw, 7rem); padding-block: clamp(1.75rem, 3vw, 3rem); border-bottom: 1px solid var(--border-dark); }
.tech__row::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px; background: var(--accent); transform: scaleX(0); transform-origin: 0 50%; transition: transform 0.8s var(--ease-out); }
.tech__row:hover::after { transform: none; }
.tech__k { display: flex; align-items: baseline; gap: 1rem; font-size: clamp(1.4rem, 1rem + 1.2vw, 2.5rem); font-weight: 600; line-height: 1; letter-spacing: -0.04em; }
.tech__k b { font-size: var(--fs-small); font-weight: 600; letter-spacing: 0.08em; color: var(--accent-lit); }
.tech__mods { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem clamp(1.5rem, 3vw, 3rem); }
.tech__mods li { position: relative; display: grid; align-content: start; gap: 0.4rem; padding-left: 1.1rem; }
.tech__mods li::before { content: ""; position: absolute; left: 0; top: 0.55em; width: 0.5rem; height: 1px; background: var(--accent-lit); }
.tech__mods strong { font-size: clamp(1.05rem, 0.95rem + 0.35vw, 1.3rem); font-weight: 600; letter-spacing: -0.02em; }
.tech__mods span { font-size: 0.95rem; line-height: 1.45; color: rgb(255 255 255 / 0.6); }

/* ==========================================================================
   08 · Outcome — qualitative unless verified numbers exist
   ========================================================================== */
.cs-out { background: var(--off-white); color: var(--black); padding-block: clamp(5rem, 10vw, 11rem); }
.out { margin-top: clamp(3rem, 5.5vw, 6rem); border-top: 1px solid var(--black); }
.out__item { display: grid; grid-template-columns: clamp(3rem, 6vw, 6rem) minmax(0, 1.1fr) minmax(0, 1fr); align-items: baseline; gap: 0.75rem clamp(1.5rem, 4vw, 4rem); padding-block: clamp(1.75rem, 3vw, 3rem); border-bottom: 1px solid var(--border-light); }
.out__no { font-size: var(--fs-small); font-weight: 600; letter-spacing: 0.08em; color: #8a8a8a; font-variant-numeric: tabular-nums; }
.out__head { font-size: clamp(1.5rem, 1rem + 1.6vw, 3rem); font-weight: 600; line-height: 1.05; letter-spacing: -0.04em; }
.out__text { font-size: clamp(1rem, 0.9rem + 0.3vw, 1.2rem); line-height: 1.5; color: #5e5e5e; }
.out__metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr)); gap: 2rem clamp(2rem, 5vw, 5rem); margin-top: clamp(2.5rem, 5vw, 4rem); }
.out__metrics div { padding-top: 1.25rem; border-top: 1px solid var(--black); }
.out__metrics dt { font-size: clamp(2.5rem, 1.5rem + 3vw, 5rem); font-weight: 700; line-height: 1; letter-spacing: -0.05em; }
.out__metrics dd { margin-top: 0.5rem; font-size: var(--fs-small); font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: #7a7a7a; }

/* ==========================================================================
   09 · Gallery
   ========================================================================== */
.cs-gal { background: var(--black); color: var(--white); padding-block: clamp(5rem, 9vw, 10rem); }
.gal { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: clamp(1rem, 2vw, 2rem); margin-top: clamp(2.5rem, 5vw, 4.5rem); }
.gal__item { position: relative; grid-column: span 3; overflow: hidden; background: #111; }
.gal__item:nth-child(1) { grid-column: span 4; }
.gal__item:nth-child(2) { grid-column: span 2; }
.gal__item:nth-child(3):last-child { grid-column: span 6; }
.gal__item img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; transition: transform 1.2s var(--ease-out); }
.gal__item:nth-child(1) img { aspect-ratio: 16 / 10; }
.gal__item:nth-child(3):last-child img { aspect-ratio: 21 / 9; }
.gal__cap { position: absolute; left: 0; right: 0; bottom: 0; padding: 2.5rem 1rem 0.9rem; background: linear-gradient(transparent, rgb(0 0 0 / 0.72)); font-size: var(--fs-micro); font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; }
@media (hover: hover) and (pointer: fine) {
  .gal__cap { opacity: 0; translate: 0 0.5rem; transition: opacity 0.4s var(--ease-soft), translate 0.6s var(--ease-out); }
  .gal__item:hover img { transform: scale(1.05); }
  .gal__item:hover .gal__cap { opacity: 1; translate: none; }
}

/* ==========================================================================
   10 · Next project — its cover rises as you reach the bottom
   ========================================================================== */
.cs-next { position: relative; background: var(--black); color: var(--white); }
.cs-next__link { position: relative; display: grid; align-items: center; min-height: min(86svh, 50rem); padding-block: clamp(4rem, 9vw, 9rem); }
.cs-next__media { position: absolute; inset: 0; overflow: hidden; }
.cs-next__img { position: absolute; inset: 0; }
.cs-next__img img { width: 100%; height: 100%; object-fit: cover; opacity: 0.4; transform: scale(1.12); }
.cs-next__img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(rgb(0 0 0 / 0.55), rgb(0 0 0 / 0.75)); }
.cs-next__copy { position: relative; text-align: center; }
.cs-next__label { display: inline-flex; align-items: center; gap: 0.9rem; font-size: var(--fs-small); font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; color: rgb(255 255 255 / 0.7); }
.cs-next__label svg { width: 2rem; height: 1rem; transition: translate 0.6s var(--ease-out); }
.cs-next__name { margin-top: clamp(0.75rem, 2vw, 1.5rem); font-size: clamp(3rem, 0.6rem + 9vw, 12rem); font-weight: 700; line-height: 0.92; letter-spacing: -0.06em; transition: color 0.5s; }
.cs-next__meta { margin-top: 1rem; font-size: var(--fs-small); font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: rgb(255 255 255 / 0.5); }
.cs-next__link:is(:hover, :focus-visible) .cs-next__name { color: var(--accent); }
.cs-next__link:is(:hover, :focus-visible) .cs-next__label svg { translate: 0.4rem 0; }
.cs-next__link:focus-visible { outline-offset: -1rem; }

@media (prefers-reduced-motion: no-preference) {
  .js .cs-next[data-reveal] { opacity: 1; transform: none; }
  .js .cs-next__img { clip-path: inset(42% 0 42% 0); transition: clip-path 1.4s var(--ease-in-out); }
  .js .cs-next__img img { transition: opacity 1.4s var(--ease-soft), transform 1.8s var(--ease-out); }
  .js .cs-next.is-in .cs-next__img { clip-path: inset(0 0 0 0); }
  @supports (animation-timeline: view()) and (animation-range: entry) {
    .js .cs-next__img { transition: none; animation: next-open linear both; animation-timeline: view(); animation-range: entry 0% cover 55%; }
    .js .cs-next__img img { transition: none; animation: next-settle linear both; animation-timeline: view(); animation-range: entry 0% cover 60%; }
    @keyframes next-open { from { clip-path: inset(46% 0 46% 0); } to { clip-path: inset(0 0 0 0); } }
    @keyframes next-settle { from { opacity: 0.12; transform: scale(1.18); } to { opacity: 0.4; transform: none; } }
  }
}

/* 11 · CTA */
.cs-cta .s-cta__text strong { font-weight: 600; color: var(--black); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 64em) {
  .cs-hero__row { grid-template-columns: 1fr; }
  .cs-ctx__grid, .cs-chal__grid { grid-template-columns: 1fr; }
  .cs-ctx__body { grid-column: 1; }
  .apr { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 2.5rem; }
  .apr__step:nth-child(odd) .apr__node::before, .apr__step:nth-child(odd) .apr__node::after { display: none; }
  .arch__layer, .tech__row { grid-template-columns: 1fr; }
  .arch__k { padding-left: clamp(2.5rem, 7vw, 4rem); }
  .arch__nodes { padding-left: clamp(2.5rem, 7vw, 4rem); }
  .out__item { grid-template-columns: 2.75rem minmax(0, 1fr); }
  .out__text { grid-column: 2; }
}

@media (max-width: 48em) {
  .cs-hero { --band: 4rem; }
  .cs-facts { grid-template-columns: 1fr 1fr; }
  .cs-cover__media { aspect-ratio: 4 / 3; }
  .cs-ctx__body, .tech__mods { grid-template-columns: 1fr; }
  .cs-chal__rail li { grid-template-columns: 1fr; }
  .apr { grid-template-columns: 1fr; }
  .apr__step .apr__node::before, .apr__step .apr__node::after { display: none; }
  .shots { display: flex; flex-direction: column; }
  .shot--float { margin-top: 0; }
  .gal { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gal__item, .gal__item:first-child { grid-column: span 2; }
  .cs-next__link { min-height: 70svh; }
}