/* casestudy.css – Portfolio case study page (Old ⇄ New design toggle).
   Builds on styles.css tokens (--ink, --accent, --bg, fonts, etc.). */

/* ---------- Nav (slim, case-study variant) ---------- */
.cs-nav { position: sticky; top: 0; z-index: 200; backdrop-filter: blur(14px);
  background: color-mix(in oklab, var(--bg) 80%, transparent); border-bottom: 1px solid var(--line); }
.cs-nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; height: 64px; }
.cs-logo { display: inline-flex; align-items: center; gap: .62rem; }
.cs-logo .sm-mark { flex: none; }
.cs-logo-text { display: flex; flex-direction: column; line-height: 1; }
.cs-logo-name { font-family: var(--font-display); font-weight: 700; font-size: 15px; letter-spacing: -.02em; }
.cs-logo-sub { margin-top: 3px; }
.cs-back { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .06em; color: var(--ink-soft); transition: color .2s; white-space: nowrap; }
.cs-back:hover { color: var(--accent); }

/* ---------- Sticky switch bar ---------- */
.cs-switchbar { position: sticky; top: 68px; z-index: 190;
  display: flex; justify-content: center; padding: 1rem 0;
  background: color-mix(in oklab, var(--bg) 86%, transparent); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line); }
.cs-switch { position: relative; display: flex; width: min(440px, 92vw);
  padding: 4px; border: 1px solid var(--line-2); border-radius: 999px; background: var(--bg-2); }
.cs-switch button { position: relative; z-index: 1; flex: 1;
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase;
  padding: .72em 1rem; border: 0; background: transparent; color: var(--ink-faint);
  cursor: pointer; border-radius: 999px; transition: color .28s; }
.cs-switch button:hover { color: var(--ink-soft); }
.cs-switch button.active { color: var(--accent-ink); }
.cs-thumb { position: absolute; top: 4px; bottom: 4px; left: 4px; width: calc(50% - 4px);
  border-radius: 999px; background: var(--accent); z-index: 0;
  transition: transform .34s cubic-bezier(.2,.7,.2,1); }
[data-view="new"] .cs-thumb { transform: translateX(100%); }
[data-view="old"] .cs-thumb { transform: translateX(0); }

/* ---------- Layout ---------- */
.cs { position: relative; z-index: 1; }
.cs-wrap { width: min(1120px, 92vw); margin-inline: auto; }
.cs-prose { width: min(720px, 92vw); margin-inline: auto; }
.cs-section { padding-block: clamp(2.6rem, 6vw, 4.6rem); }
.cs-section + .cs-section { border-top: 1px solid var(--line); }

/* view enter — handled by per-element .reveal children (robust, class-based).
   No wrapper keyframe here: a wrapper opacity-animation can freeze at frame 0
   in a backgrounded tab and hide everything. */
.cs-view { animation: none; }

/* ---------- Hero ---------- */
.cs-hero { padding-block: clamp(2.4rem, 5vw, 4rem) clamp(2rem, 4vw, 3rem); }
.cs-kicker { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.4rem; }
.cs-title { font-family: var(--font-display); font-weight: 800; letter-spacing: -.035em;
  font-size: clamp(2.4rem, 6vw, 4.4rem); line-height: .98; text-wrap: balance; }
.cs-title .accent { color: var(--accent); }
.cs-sub { font-family: var(--font-display); font-weight: 600; color: var(--ink-soft);
  font-size: clamp(1.15rem, 2.4vw, 1.7rem); letter-spacing: -.01em; margin-top: 1rem; line-height: 1.2; text-wrap: balance; }
.cs-lead { color: var(--ink-soft); font-size: clamp(1.02rem, 1.4vw, 1.2rem); line-height: 1.6;
  max-width: 60ch; margin-top: 1.4rem; text-wrap: pretty; }

/* hero split — title + intro text left, hero screenshot right */
.ax-hero-grid { display: grid; grid-template-columns: 1.02fr 0.98fr; gap: clamp(1.8rem, 4vw, 3.4rem); align-items: center; }
@media (max-width: 880px) { .ax-hero-grid { grid-template-columns: 1fr; gap: 1.8rem; } }
.ax-hero-text { display: flex; flex-direction: column; align-items: flex-start; }
.ax-hero-text .cs-title { font-size: clamp(2.2rem, 4.2vw, 3.3rem); }
.ax-hero-text .cs-sub { margin-top: .9rem; }
.ax-hero-text .cs-lead { max-width: none; margin-top: 1.2rem; }
.ax-hero-text .ax-skip-wrap { margin-top: 1.5rem; }
.ax-hero-media { margin: 0; }

/* ---------- Meta strip ---------- */
.cs-meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.cs-meta-cell { background: var(--bg); padding: clamp(1.1rem, 2vw, 1.5rem); }
.cs-meta-k { font-family: var(--font-mono); font-size: .64rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint); }
.cs-meta-v { margin-top: .5rem; color: var(--ink); font-size: .95rem; line-height: 1.5; }
@media (max-width: 720px) { .cs-meta { grid-template-columns: 1fr; } }

/* ---------- Section heads ---------- */
.cs-head { display: flex; align-items: baseline; gap: 1rem; margin-bottom: 1.6rem; flex-wrap: wrap; }
.cs-h { font-family: var(--font-display); font-weight: 700; letter-spacing: -.02em;
  font-size: clamp(1.5rem, 3vw, 2.1rem); line-height: 1.05; }
.cs-p { color: var(--ink-soft); font-size: 1.02rem; line-height: 1.68; text-wrap: pretty; }
.cs-p + .cs-p { margin-top: 1rem; }
.cs-p strong, .cs-li strong { color: var(--ink); font-weight: 600; }

/* ---------- Two columns ---------- */
.cs-grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.6rem, 4vw, 3.4rem); align-items: start; }
.cs-grid2.ax-equal { align-items: stretch; }
@media (max-width: 820px) { .cs-grid2 { grid-template-columns: 1fr; } }

/* ---------- Lists ---------- */
.cs-steps { display: flex; flex-direction: column; gap: 1.1rem; margin: 0; padding: 0; list-style: none; }
.cs-li { position: relative; padding-left: 1.5rem; color: var(--ink-soft); font-size: 1rem; line-height: 1.6; text-wrap: pretty; }
.cs-li::before { content: ""; position: absolute; left: 0; top: .62em; width: 7px; height: 7px;
  border-radius: 999px; background: var(--accent); }
.cs-li-mono { display: flex; gap: .9rem; }
.cs-li-mono .n { font-family: var(--font-mono); font-size: .72rem; color: var(--accent); padding-top: .2em; flex: none; }

/* ---------- Panels ---------- */
.cs-panel { border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.3rem, 2.4vw, 1.8rem);
  background: color-mix(in oklab, var(--card) 60%, transparent); }
.cs-panel-accent { border-color: color-mix(in oklab, var(--accent) 40%, var(--line)); }
.cs-panel h4 { font-family: var(--font-display); font-weight: 600; font-size: 1.08rem; margin-bottom: 1rem; letter-spacing: -.01em; }

/* ---------- Figures ---------- */
.cs-fig { margin: 0; }
.cs-fig img { width: 100%; display: block; border: 1px solid var(--line-2); border-radius: var(--radius); background: var(--bg-2); }
.cs-cap { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .04em; color: var(--ink-faint);
  margin-top: .8rem; line-height: 1.5; text-wrap: pretty; }
.cs-cap .accent { color: var(--accent); }

/* ---------- Before / After ---------- */
.cs-ba { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
@media (max-width: 820px) { .cs-ba { grid-template-columns: 1fr; } }
.cs-ba-item { position: relative; }
.cs-ba-tag { position: absolute; top: .8rem; left: .8rem; z-index: 2;
  font-family: var(--font-mono); font-size: .62rem; letter-spacing: .1em; text-transform: uppercase;
  padding: .4em .7em; border-radius: 999px; backdrop-filter: blur(6px);
  background: color-mix(in oklab, #07070a 50%, transparent); color: #f3f3ee; border: 1px solid color-mix(in oklab, #fff 18%, transparent); }
.cs-ba-tag.is-after { background: var(--accent); color: var(--accent-ink); border-color: transparent; }

/* ---------- Before / After comparison pairs (bachata) ---------- */
.ba-stack { display: flex; flex-direction: column; gap: clamp(2.2rem, 5vw, 3.4rem); }
.ba-pair-head { margin-bottom: 1.2rem; }
.ba-pair-title { font-family: var(--font-display); font-weight: 700; letter-spacing: -.02em;
  font-size: clamp(1.15rem, 2.4vw, 1.5rem); line-height: 1.1;
  display: inline-flex; align-items: center; gap: .7rem; }
.ba-pair-title::before { content: ""; width: 9px; height: 9px; border-radius: 999px; background: var(--accent); flex: none; }
.ba-col { display: flex; flex-direction: column; gap: 1.1rem; }
.ba-figwrap { position: relative; }
.ba-figwrap img { width: 100%; display: block; border: 1px solid var(--line-2); border-radius: var(--radius); background: var(--bg-2); }
.ba-list { gap: .7rem; }
.ba-list .cs-li { font-size: .95rem; }
.ba-li-after::before { background: var(--accent); }
.ba-col:first-child .ba-list .cs-li::before { background: var(--ink-faint); }

/* ---------- Before / After — interactive toggle cards (bachata) ---------- */
.ba2-stack { display: flex; flex-direction: column; gap: clamp(1.5rem, 3.6vw, 2.4rem); }
.ba2-card { border: 1px solid var(--line); border-radius: calc(var(--radius) + 4px);
  background: color-mix(in oklab, var(--card) 45%, transparent);
  padding: clamp(1rem, 2.4vw, 1.5rem); transition: border-color .45s, box-shadow .45s; }
.ba2-card.is-after { border-color: color-mix(in oklab, var(--accent) 42%, var(--line));
  box-shadow: 0 0 0 1px color-mix(in oklab, var(--accent) 22%, transparent),
    0 30px 70px -50px color-mix(in oklab, var(--accent) 60%, #000); }
.ba2-top { display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  flex-wrap: wrap; margin-bottom: clamp(.9rem, 2vw, 1.25rem); }
.ba2-title { font-family: var(--font-display); font-weight: 700; letter-spacing: -.02em;
  font-size: clamp(1.1rem, 2.3vw, 1.42rem); line-height: 1.1;
  display: inline-flex; align-items: center; gap: .7rem; }
.ba2-idx { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .04em; color: var(--accent);
  border: 1px solid color-mix(in oklab, var(--accent) 40%, var(--line-2)); border-radius: 999px;
  padding: .32em .62em; line-height: 1; flex: none; }
/* segmented Before / After control */
.ba2-seg { position: relative; display: inline-flex; gap: 2px; padding: 4px; flex: none;
  border: 1px solid var(--line-2); border-radius: 999px; background: var(--bg-2); }
.ba2-seg-btn { position: relative; min-width: 5em; text-align: center;
  border: 0; background: transparent; cursor: pointer;
  font-family: var(--font-mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-soft); padding: .56em .9em; border-radius: 999px;
  transition: color .25s; }
.ba2-seg-btn:hover { color: var(--ink); }
.ba2-seg-btn.on { color: var(--accent-ink); background: var(--accent); }
/* body: media stage + notes */
.ba2-body { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: clamp(1rem, 2.6vw, 1.7rem); align-items: start; }
@media (max-width: 760px) { .ba2-body { grid-template-columns: 1fr; } }
.ba2-stage { position: relative; }
.ba2-figbtn { display: block; width: 100%; padding: 0; cursor: pointer;
  position: relative; background: var(--bg-2); border: 1px solid var(--line-2); border-radius: var(--radius);
  overflow: hidden; line-height: 0; min-height: clamp(170px, 24vw, 260px); transition: border-color .3s; }
.ba2-figbtn:hover { border-color: color-mix(in oklab, var(--accent) 45%, var(--line-2)); }
.ba2-img { width: 100%; display: block; background: var(--bg-2);
  transition: opacity .4s ease, transform .5s cubic-bezier(.2,.7,.2,1); }
.ba2-img:not(.show) { position: absolute; inset: 0; height: 100%; object-fit: cover; object-position: top center;
  opacity: 0; pointer-events: none; }
.ba2-img.show { position: relative; opacity: 1; }
.ba2-figbtn:hover .ba2-img.show { transform: scale(1.02); }
.ba2-figbtn:hover .zoomfig-ico, .ba2-figbtn:focus-visible .zoomfig-ico { opacity: 1; transform: translateY(0) scale(1); }
.ba2-notes { animation: ba2Fade .42s ease; }
.ba2-notes-k { font-family: var(--font-mono); font-size: .66rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink-faint); margin-bottom: .8rem; display: inline-flex; align-items: center; gap: .5rem; }
.ba2-notes-k::before { content: ""; width: 7px; height: 7px; border-radius: 999px; background: var(--ink-faint); }
.ba2-card.is-after .ba2-notes-k { color: color-mix(in oklab, var(--accent) 75%, var(--ink)); }
.ba2-card.is-after .ba2-notes-k::before { background: var(--accent); }
.ba2-list { gap: .7rem; }
.ba2-list .cs-li { font-size: .95rem; }
@keyframes ba2Fade { from { opacity: 0; transform: translateY(7px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .ba2-figbtn, .ba2-notes { animation: none; } }

/* ---------- Three-column figure row ---------- */
.cs-grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.2rem, 3vw, 2rem); align-items: start; }
@media (max-width: 900px) { .cs-grid3 { grid-template-columns: 1fr; max-width: 560px; margin-inline: auto; } }

/* ---------- Big stat ---------- */
.cs-stat { display: flex; flex-direction: column; gap: .3rem; }
.cs-stat-n { font-family: var(--font-display); font-weight: 800; letter-spacing: -.04em; line-height: .9;
  font-size: clamp(3rem, 8vw, 5.5rem); }
.cs-stat-n .arrow { color: var(--ink-faint); font-weight: 400; }
.cs-stat-n .accent { color: var(--accent); }
.cs-stat-k { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .06em; color: var(--ink-faint); text-transform: uppercase; }

/* ---------- Chips ---------- */
.cs-chips { display: flex; flex-wrap: wrap; gap: .5rem; }

/* ---------- Gaming: NDA pill ---------- */
.gm-nda { display: inline-flex; align-items: center; gap: .45em; }
.gm-nda::before { content: ""; width: 6px; height: 6px; border-radius: 999px; background: var(--accent); }
.gm-nda-note { margin-top: 1.4rem; max-width: 56ch; font-style: italic; }

/* ---------- Gaming: animated stat band ---------- */
.gm-statband { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.gm-stat { background: var(--bg); padding: clamp(1.3rem, 2.6vw, 1.9rem); display: flex; flex-direction: column; gap: .55rem; }
.gm-stat-n { font-family: var(--font-display); font-weight: 800; letter-spacing: -.03em; line-height: 1;
  font-size: clamp(2rem, 4.2vw, 3.1rem); display: flex; align-items: baseline; gap: .25rem;
  flex-wrap: nowrap; white-space: nowrap; }
.gm-stat-n .accent { color: var(--accent); }
.gm-stat-n .dim { color: var(--ink-faint); }
.gm-stat-n .arr { color: var(--ink-faint); font-weight: 400; padding-inline: .05em; }
.gm-stat-k { font-family: var(--font-mono); font-size: .66rem; letter-spacing: .04em; text-transform: uppercase;
  color: var(--ink-faint); line-height: 1.5; }
@media (max-width: 820px) { .gm-statband { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 440px) { .gm-statband { grid-template-columns: 1fr; } }

/* ---------- Gaming: design-thinking loop strip ---------- */
.gm-cycle { display: flex; align-items: center; gap: .65rem; flex-wrap: wrap; }
.gm-cycle-step { display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--font-display); font-weight: 600; font-size: .98rem; letter-spacing: -.01em;
  padding: .58em 1.05em; border: 1px solid var(--line-2); border-radius: 999px;
  background: color-mix(in oklab, var(--card) 55%, transparent);
  transition: border-color .25s, transform .25s; }
.gm-cycle-step:hover { border-color: color-mix(in oklab, var(--accent) 50%, var(--line-2)); transform: translateY(-2px); }
.gm-cycle-n { font-family: var(--font-mono); font-size: .64rem; color: var(--accent); }
.gm-cycle-arr { color: var(--ink-faint); font-family: var(--font-mono); font-size: .85rem; }
.gm-cycle-loop { display: inline-grid; place-items: center; width: 2em; height: 2em; flex: none;
  border-radius: 999px; background: var(--accent); color: var(--accent-ink); font-size: 1.05rem; margin-left: .15rem; }

/* ---------- Gaming: tools line + subhead + pull quote ---------- */
.gm-tools { display: flex; align-items: baseline; gap: 1rem; flex-wrap: wrap;
  border-top: 1px solid var(--line); padding-top: 1.3rem; }
.gm-tools-k { font-family: var(--font-mono); font-size: .64rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-faint); flex: none; }
.gm-tools-v { color: var(--ink-soft); font-size: .96rem; line-height: 1.6; }
.gm-subh { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; letter-spacing: -.01em;
  margin-top: 1.6rem; margin-bottom: .6rem; }
.gm-quote { font-family: var(--font-display); font-weight: 700; letter-spacing: -.02em;
  font-size: clamp(1.5rem, 3.4vw, 2.2rem); line-height: 1.15; text-wrap: balance; }
.gm-quote .accent { color: var(--accent); }

/* ---------- CTA ---------- */
.cs-cta { display: flex; flex-direction: column; align-items: center; gap: 1.2rem; text-align: center; }
.cs-cta .cs-h { font-size: clamp(1.7rem, 4vw, 2.6rem); }

/* spacing helpers */
.cs-mt-s { margin-top: 1.2rem; }
.cs-mt-m { margin-top: 2rem; }
.cs-mt-l { margin-top: 3rem; }

/* ---------- Closing CTA band ---------- */
.cs-end { border-top: 1px solid var(--line);
  background:
    radial-gradient(120% 140% at 50% -20%, color-mix(in oklab, var(--accent) 12%, transparent), transparent 60%),
    var(--bg); }
.cs-end-inner { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 1rem; }
.cs-end-title { font-size: clamp(1.8rem, 4vw, 2.8rem); }
.cs-end-sub { max-width: 46ch; }
.cs-end-actions { display: flex; gap: .9rem; flex-wrap: wrap; justify-content: center; margin-top: 1rem; }
.cs-end-actions .btn { font-size: .76rem; }

/* ---------- Contact modal ---------- */
.contact-modal { position: fixed; inset: 0; z-index: 400; display: grid; place-items: center;
  padding: clamp(1rem, 4vw, 2.5rem);
  background: color-mix(in oklab, #07070a 58%, transparent); backdrop-filter: blur(8px);
  opacity: 1; animation: certModalIn .28s ease; }
.contact-modal-card { position: relative; width: min(560px, 100%);
  max-height: calc(100dvh - 2 * clamp(1rem, 4vw, 2.5rem)); overflow-y: auto;
  background: var(--card); border: 1px solid var(--line-2); border-radius: calc(var(--radius) + 4px);
  box-shadow: 0 50px 100px -40px rgba(0,0,0,.7);
  padding: clamp(1.6rem, 3.4vw, 2.4rem);
  animation: certCardIn .34s cubic-bezier(.2,.7,.2,1); }
.contact-modal-card::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 5px;
  background: var(--accent); border-radius: calc(var(--radius) + 4px) calc(var(--radius) + 4px) 0 0; }
.contact-modal-x { position: absolute; top: 14px; right: 14px; }
.contact-modal-head { margin-bottom: 1.6rem; padding-right: 2.5rem; }
.contact-modal-title { font-family: var(--font-display); font-weight: 700; letter-spacing: -.02em;
  font-size: clamp(1.5rem, 3vw, 2rem); line-height: 1.05; margin-top: .7rem; }
.contact-modal-sub { color: var(--ink-soft); font-size: .96rem; line-height: 1.55; margin-top: .6rem; text-wrap: pretty; }
.contact-modal-done { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 1.1rem; padding: 1.5rem 0 .5rem; }
.contact-modal-check { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 999px;
  background: color-mix(in oklab, var(--accent) 18%, transparent); color: var(--accent); }
.contact-modal-thanks { font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; }

@media (prefers-reduced-motion: reduce) { .contact-modal, .contact-modal-card { animation: none; } }

/* ============================================================
   Lightbox + clickable figures (shared)
   ============================================================ */
.zoomfig { margin: 0; }
.zoomfig-btn { display: block; width: 100%; padding: 0; border: 0; background: transparent; cursor: pointer;
  position: relative; border-radius: var(--radius); overflow: hidden; line-height: 0; }
.zoomfig-btn img { width: 100%; display: block; border: 1px solid var(--line-2); border-radius: var(--radius);
  background: var(--bg-2); transition: transform .5s cubic-bezier(.2,.7,.2,1), border-color .3s; }
.zoomfig-btn::after { content: ""; position: absolute; inset: 0; border-radius: var(--radius);
  background: color-mix(in oklab, var(--accent) 0%, transparent); transition: background .3s; pointer-events: none; }
.zoomfig-btn:hover img { transform: scale(1.025); border-color: color-mix(in oklab, var(--accent) 45%, var(--line-2)); }
.zoomfig-ico { position: absolute; top: .7rem; right: .7rem; z-index: 2; display: grid; place-items: center;
  width: 2.1em; height: 2.1em; border-radius: 999px; color: var(--accent-ink); background: var(--accent);
  opacity: 0; transform: translateY(-4px) scale(.9); transition: opacity .3s, transform .3s; box-shadow: 0 6px 18px -6px rgba(0,0,0,.6); }
.zoomfig-btn:hover .zoomfig-ico, .zoomfig-btn:focus-visible .zoomfig-ico { opacity: 1; transform: translateY(0) scale(1); }

.lbx { position: fixed; inset: 0; z-index: 500; display: grid; place-items: center; padding: clamp(1rem, 4vw, 3rem);
  background: color-mix(in oklab, #05050a 80%, transparent); backdrop-filter: blur(10px); animation: lbxIn .24s ease; cursor: zoom-out; }
.lbx-fig { margin: 0; max-width: min(1200px, 94vw); max-height: 90vh; display: flex; flex-direction: column; gap: .9rem;
  cursor: default; animation: lbxFig .34s cubic-bezier(.2,.7,.2,1); }
.lbx-fig img { max-width: 100%; max-height: 78vh; object-fit: contain; display: block; margin-inline: auto;
  border: 1px solid var(--line-2); border-radius: var(--radius); background: var(--bg-2); box-shadow: 0 40px 90px -40px rgba(0,0,0,.8); }
.lbx-cap { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .03em; color: #cfcfca; line-height: 1.6;
  text-align: center; max-width: 70ch; margin-inline: auto; text-wrap: pretty; }
.lbx-cap .accent, .lbx-cap strong { color: var(--accent); font-weight: 700; }
.lbx-x { position: fixed; top: clamp(.8rem, 2vw, 1.4rem); right: clamp(.8rem, 2vw, 1.4rem); z-index: 2;
  display: grid; place-items: center; width: 42px; height: 42px; border-radius: 999px; cursor: pointer;
  color: #f3f3ee; background: color-mix(in oklab, #fff 10%, transparent); border: 1px solid color-mix(in oklab, #fff 18%, transparent);
  transition: background .2s, color .2s; }
.lbx-x:hover { background: var(--accent); color: var(--accent-ink); border-color: transparent; }
@keyframes lbxIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes lbxFig { from { opacity: 0; transform: scale(.97); } to { opacity: 1; transform: scale(1); } }
@media (prefers-reduced-motion: reduce) { .lbx, .lbx-fig { animation: none; } .zoomfig-btn img { transition: none; } }

/* ============================================================
   Reading progress bar
   ============================================================ */
.cs-progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 300; background: transparent; pointer-events: none; }
.cs-progress-bar { height: 100%; width: 0; background: var(--accent); transition: width .12s linear;
  box-shadow: 0 0 12px color-mix(in oklab, var(--accent) 60%, transparent); }

/* ============================================================
   AxiomLens flagship — section helpers
   ============================================================ */
/* anchor offset so #visuals-start lands below the sticky nav */
.ax-anchor { position: relative; top: -80px; visibility: hidden; }

.ax-skip-wrap { margin-top: 1.9rem; }
.ax-skip-btn { font-size: .78rem; padding: .9em 1.5em; }
.ax-skip-btn .btn-arrow { transition: transform .25s; }
.ax-skip-btn:hover .btn-arrow { transform: translateY(3px); }

/* index label for screens / sections */
.ax-index { display: flex; align-items: baseline; gap: .8rem; margin-bottom: .6rem; }
.ax-index-n { font-family: var(--font-display); font-weight: 800; letter-spacing: -.04em;
  font-size: clamp(2.2rem, 5vw, 3.4rem); line-height: .9; color: color-mix(in oklab, var(--accent) 85%, var(--ink)); }
.ax-index-k { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-faint); }

/* screen block — alternating image / text */
.ax-screens { display: flex; flex-direction: column; gap: clamp(3rem, 7vw, 5.5rem); }
.ax-screen { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.8rem, 4vw, 3.6rem); align-items: center; }
.ax-screen.rev .ax-screen-media { order: -1; }
@media (max-width: 860px) { .ax-screen { grid-template-columns: 1fr; } .ax-screen-media { order: -1; } }
.ax-screen-h { font-family: var(--font-display); font-weight: 700; letter-spacing: -.02em;
  font-size: clamp(1.3rem, 2.6vw, 1.8rem); line-height: 1.14; margin-bottom: .9rem; }
.ax-dec-label { margin-top: 1.5rem; }

/* personas — vertical bento cards */
.ax-pcard { border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.3rem, 2.4vw, 1.7rem);
  background: color-mix(in oklab, var(--card) 60%, transparent);
  display: flex; flex-direction: column; gap: 1rem; flex: 1; position: relative; }
.ax-persona-head { display: flex; align-items: center; gap: .9rem; padding-right: 6.5rem; min-height: 52px; }
.ax-avatar { width: 52px; height: 52px; border-radius: 999px; object-fit: cover; flex: none;
  border: 1px solid var(--line-2); filter: grayscale(.35) contrast(1.02); }
.ax-persona-id { display: flex; flex-direction: column; gap: .15rem; }
.ax-persona-name { font-family: var(--font-display); font-weight: 700; font-size: 1.12rem; letter-spacing: -.01em; }
.ax-persona-role { color: var(--ink-faint); }
.ax-persona-tag { position: absolute; top: clamp(1.3rem, 2.4vw, 1.7rem); right: clamp(1.3rem, 2.4vw, 1.7rem); }
.ax-persona-blurb { font-size: .94rem; }
.ax-pcard-block { display: flex; flex-direction: column; }
.ax-sub5 { font-family: var(--font-mono); font-size: .64rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-faint); margin-bottom: .8rem; }

/* users & goals — two-column bento */
.ax-ug { display: grid; grid-template-columns: 0.92fr 1.08fr; gap: clamp(1.2rem, 2.6vw, 1.8rem); align-items: stretch; }
@media (max-width: 900px) { .ax-ug { grid-template-columns: 1fr; } }
.ax-ug-personas, .ax-ug-goals { display: flex; flex-direction: column; gap: clamp(1.2rem, 2.6vw, 1.8rem); }
.ax-ug-goals > :last-child { flex: 1 0 auto; }
.ax-ug-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem 1.4rem; }
@media (max-width: 560px) { .ax-ug-2col { grid-template-columns: 1fr; } }
.ax-ug .cs-li { font-size: .94rem; }
.ax-ug .cs-steps { gap: .95rem; }

/* success criteria feature panel */
.ax-success { border: 1px solid color-mix(in oklab, var(--accent) 38%, var(--line)); border-radius: var(--radius);
  padding: clamp(1.6rem, 3.2vw, 2.4rem);
  background: radial-gradient(130% 160% at 0% 0%, color-mix(in oklab, var(--accent) 11%, transparent), transparent 58%), color-mix(in oklab, var(--card) 50%, transparent); }
.ax-success-compact { padding: clamp(1.2rem, 2.6vw, 1.6rem); }

/* wireframe visual panel — stretches to match the left column, image fills */
.ax-wire-panel { display: flex; flex-direction: column; }
.ax-wire-panel .cs-p { margin-bottom: 1.1rem; }
.ax-wire-fig { flex: 1; display: flex; flex-direction: column; min-height: 0; margin: 0; }
.ax-wire-fig .zoomfig-btn { flex: 1; min-height: 240px; }
.ax-wire-fig .zoomfig-btn img { height: 100%; object-fit: cover; object-position: top center; background: #0e0e13; }
.ax-wire-fig .cs-cap { flex: none; margin-top: .8rem; }
/* Context grid: live-shot card stretches to match the text column, image fills */
.cs-grid2.ax-equal > .mg-ctx-media { display: flex; }
.mg-ctx-media .mg-live { flex: 1; display: flex; flex-direction: column; min-height: 0; }
.mg-ctx-media .mg-live-shell { flex: 1; display: flex; flex-direction: column; min-height: 0; }
.mg-ctx-media .mg-live-shot { flex: 1; min-height: 240px; }
.mg-ctx-media .mg-live-shot img { height: 100%; object-fit: cover; object-position: top center; }
.mg-ctx-media .cs-cap { flex: none; }

.ax-success .ax-questions { margin-top: 0; }
.cs-grid2.ax-equal > .ax-success { display: flex; flex-direction: column; }
.cs-grid2.ax-equal > .ax-success .ax-questions { margin-block: auto; }
.ax-questions.ax-questions-tight { gap: .9rem; margin-top: 0; }
.ax-questions-tight .ax-q { font-size: 1.02rem; }
.ax-success-note { color: var(--ink-soft); font-size: .92rem; line-height: 1.58; margin: 1.1rem 0 0; text-wrap: pretty; }

/* two-column list inside a panel */
.ax-twocol { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem 1.6rem; }
@media (max-width: 640px) { .ax-twocol { grid-template-columns: 1fr; } }

/* success questions */
.ax-questions { display: flex; flex-direction: column; gap: 1rem; margin-top: 1.4rem;
  border-left: 2px solid color-mix(in oklab, var(--accent) 55%, var(--line)); padding-left: 1.4rem; }
.ax-q { margin: 0; font-family: var(--font-display); font-weight: 600; letter-spacing: -.01em;
  font-size: clamp(1.15rem, 2.4vw, 1.6rem); line-height: 1.2; color: var(--ink); text-wrap: balance; }
.ax-q .accent { color: var(--accent); }

/* numbered process steps */
.ax-steps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 1.3rem; }
.ax-step { display: grid; grid-template-columns: auto 1fr; gap: 1.1rem; align-items: start; }
.ax-step-n { font-family: var(--font-mono); font-size: .8rem; color: var(--accent-ink);
  background: var(--accent); width: 2.1em; height: 2.1em; border-radius: 999px; display: grid; place-items: center; flex: none; font-weight: 700; }
.ax-step-t { color: var(--ink-soft); font-size: 1rem; line-height: 1.62; text-wrap: pretty; }
.ax-step-t strong { color: var(--ink); font-weight: 600; }

/* logo evolution — image card + description */
.ax-logos { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1rem, 2.4vw, 1.6rem); align-items: stretch; }
@media (max-width: 640px) { .ax-logos { grid-template-columns: 1fr; } }
.ax-logo-card { border: 1px solid var(--line); border-radius: var(--radius);
  background: color-mix(in oklab, var(--card) 60%, transparent);
  padding: clamp(1rem, 2.2vw, 1.4rem); display: flex; flex-direction: column; gap: 1.1rem; }
.ax-logo-card .ax-logo-fig { margin: 0; }
.ax-logo-card .ax-logo-fig .zoomfig-btn img { height: 168px; object-fit: contain; background: #0e0e13; padding: 1.6rem; }
.ax-logo-desc { color: var(--ink-soft); font-size: .95rem; line-height: 1.6; text-wrap: pretty; margin: 0; }
.ax-logo-n { font-family: var(--font-mono); color: var(--accent); font-size: .78rem; margin-right: .55em; }

/* core-component tiles — equal-height cards */
.ax-comp { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(1rem, 2.4vw, 1.7rem); align-items: stretch; }
@media (max-width: 640px) { .ax-comp { grid-template-columns: 1fr; } }
.ax-comp-card { border: 1px solid var(--line); border-radius: var(--radius);
  background: color-mix(in oklab, var(--card) 50%, transparent);
  padding: clamp(1rem, 2vw, 1.4rem); display: flex; }
.ax-comp-fig { display: flex; flex-direction: column; width: 100%; margin: 0; }
.ax-comp-fig .zoomfig-btn img { height: 300px; object-fit: contain; background: #0e0e13; }
.ax-comp-fig .cs-cap { margin-top: 1rem; }

/* iteration carousel */
.ax-car { position: relative; }
.ax-car-track { display: flex; gap: 1rem; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: .5rem;
  scrollbar-width: thin; scrollbar-color: color-mix(in oklab, var(--accent) 50%, transparent) transparent; }
.ax-car-track::-webkit-scrollbar { height: 8px; }
.ax-car-track::-webkit-scrollbar-track { background: transparent; }
.ax-car-track::-webkit-scrollbar-thumb { background: color-mix(in oklab, var(--accent) 45%, var(--line-2)); border-radius: 999px; }
.ax-car-slide { position: relative; flex: 0 0 min(82%, 600px); scroll-snap-align: start; }
@media (max-width: 560px) { .ax-car-slide { flex-basis: 88%; } }
.ax-car-tag { position: absolute; top: .7rem; left: .7rem; z-index: 2;
  font-family: var(--font-mono); font-size: .64rem; letter-spacing: .08em; padding: .35em .6em; border-radius: 999px;
  background: color-mix(in oklab, #07070a 55%, transparent); color: #f3f3ee; border: 1px solid color-mix(in oklab, #fff 16%, transparent); backdrop-filter: blur(6px); }
.ax-car-nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: 1.1rem; }
.ax-car-hint { color: var(--ink-faint); }
.ax-car-btns { display: flex; gap: .6rem; }
.ax-car-btn { display: grid; place-items: center; width: 2.7em; height: 2.7em; border-radius: 999px;
  border: 1px solid var(--line-2); background: var(--bg-2); color: var(--ink); cursor: pointer; transition: background .2s, color .2s, opacity .2s; }
.ax-car-btn:hover:not(:disabled) { background: var(--accent); color: var(--accent-ink); border-color: transparent; }
.ax-car-btn:disabled { opacity: .3; cursor: default; }

/* design-system mini-panels */
.ax-dsys { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1rem, 2.4vw, 1.6rem); }
@media (max-width: 820px) { .ax-dsys { grid-template-columns: 1fr; } }

/* next-steps grid */
.ax-next { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line);
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
@media (max-width: 720px) { .ax-next { grid-template-columns: 1fr; } }
.ax-next-cell { background: var(--bg); padding: clamp(1.2rem, 2.4vw, 1.7rem); display: flex; flex-direction: column; gap: .5rem; }
.ax-next-h { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; letter-spacing: -.01em;
  display: flex; align-items: center; gap: .6rem; }
.ax-next-h::before { content: ""; width: 7px; height: 7px; border-radius: 999px; background: var(--accent); flex: none; }
.ax-next-p { color: var(--ink-soft); font-size: .96rem; line-height: 1.6; text-wrap: pretty; }