/* ==========================================================================
   Case study v3 — agency-style layout on Design System v2 (new tokens)
   Scoped to .cs3 so it can sit beside the site's current styles while the
   rest of the portfolio migrates. Tokens are copied from the DS export.
   ========================================================================== */

.cs3-page, .cs3 {
  /* primitives */
  --navy-950:#03111c; --blue-500:#116ff8; --blue-400:#3b8bff;
  --orange-600:#d93a00; --orange-400:#ff6a33;
  --purple-700:#7e22ce; --purple-300:#d8b4fe; --purple-100:#f3e8ff; --green-500:#22c55e;
  --paper:#f5f5f5;
  --neutral-800:#242424; --neutral-850:#1a1a1a; --neutral-925:#151515; --neutral-950:#0f0f0f;
  /* type */
  --font-sans:"Inter","Inter Display",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-display:"Saans","Inter Tight","Inter",system-ui,sans-serif;
  --font-heading:var(--font-display);
  --font-code:"JetBrains Mono","Geist Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --font-hand:"Caveat",cursive;
  --text-2xs:.6875rem;
  --text-xs:clamp(.75rem,.7199rem + .1235vw,.8125rem);
  --text-sm:clamp(.8125rem,.7824rem + .1235vw,.875rem);
  --text-base:clamp(.9375rem,.9074rem + .1235vw,1rem);
  --text-md:clamp(1rem,.9398rem + .2469vw,1.125rem);
  --text-lg:clamp(1.125rem,1.0648rem + .2469vw,1.25rem);
  --text-xl:clamp(1.25rem,1.1296rem + .4938vw,1.5rem);
  --text-2xl:clamp(1.5rem,1.2593rem + .9877vw,2rem);
  --text-3xl:clamp(1.875rem,1.5139rem + 1.4815vw,2.625rem);
  --text-4xl:clamp(2.25rem,1.6481rem + 2.4691vw,3.5rem);
  --text-5xl:clamp(2.625rem,1.7222rem + 3.7037vw,4.5rem);
  --leading-none:.95; --leading-display:1.1; --leading-tight:1.15; --leading-snug:1.3; --leading-normal:1.5;
  --tracking-tight:-.02em; --tracking-snug:-.01em; --tracking-wide:.04em;
  /* space + layout */
  --space-1:.25rem; --space-2:.5rem; --space-3:.75rem; --space-4:1rem; --space-5:1.25rem; --space-6:1.5rem;
  --space-8:2rem; --space-10:2.5rem; --space-12:3rem; --space-16:4rem; --space-20:5rem; --space-24:6rem;
  --space-section:clamp(4rem,2.0741rem + 7.9012vw,8rem);
  --space-block:clamp(2.5rem,1.2963rem + 4.9383vw,5rem);
  --space-gutter:clamp(1rem,.2778rem + 2.963vw,2.5rem);
  --container-max:1200px; --container-narrow:760px;
  /* shape + motion */
  --radius-xs:2px; --radius-sm:4px; --radius-card:0; --radius-pill:999px;
  --ease-out:cubic-bezier(.22,1,.36,1); --ease-in-out:cubic-bezier(.65,0,.35,1);
  --duration-fast:.15s; --duration-base:.25s; --duration-slow:.5s; --cta-dur:.32s; --hl-step:35ms;
  /* semantic — dark (default) */
  --color-bg:var(--neutral-950); --color-bg-subtle:var(--neutral-925);
  --color-surface:var(--neutral-850); --color-surface-raised:var(--neutral-800);
  --color-text:var(--paper);
  --color-text-secondary:rgb(245 245 245 / .75); --color-text-muted:rgb(245 245 245 / .62);
  --color-border:rgb(245 245 245 / .12); --color-border-strong:rgb(245 245 245 / .24);
  --color-fill-subtle:rgb(245 245 245 / .06);
  --color-accent:var(--blue-400); --color-accent-fill:var(--blue-500); --color-on-accent:#fff;
  --color-highlight:var(--orange-400); --color-focus:var(--blue-400);
  --color-badge:var(--purple-300); --color-badge-fill:rgb(168 85 247 / .16);
  --color-danger:#f97066; --color-highlighter:rgb(184 134 11 / .4);
  --color-good:#86d97f; --color-good-fill:rgb(34 197 94 / .16);
  --color-tag-blue:#8fb4ff; --color-tag-blue-fill:rgb(59 130 246 / .16);
  --color-tag-orange:#f6a76b; --color-tag-orange-fill:rgb(249 115 22 / .16);
  --color-danger-fill:rgb(249 112 102 / .14);
  --shadow-sm:0 1px 2px rgb(0 0 0 / .4); --shadow-md:0 4px 16px rgb(0 0 0 / .5);

  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
}
html[data-theme="light"] .cs3-page, html[data-theme="light"] .cs3 {
  --color-bg:#fff; --color-bg-subtle:#fafafa;
  --color-surface:#f5f5f5; --color-surface-raised:#fff;
  --color-text:var(--navy-950);
  --color-text-secondary:rgb(3 17 28 / .75); --color-text-muted:rgb(3 17 28 / .62);
  --color-border:rgb(3 17 28 / .1); --color-border-strong:rgb(3 17 28 / .2);
  --color-fill-subtle:rgb(3 17 28 / .05);
  --color-accent:var(--blue-500); --color-highlight:var(--orange-600); --color-focus:var(--blue-500);
  --color-badge:var(--purple-700); --color-badge-fill:var(--purple-100);
  --color-danger:#b42318; --color-highlighter:rgb(255 228 92 / .8);
  --color-good:#2d6e27; --color-good-fill:#ecf7eb;
  --color-tag-blue:#0059ff; --color-tag-blue-fill:#f0f4ff;
  --color-tag-orange:#a14a12; --color-tag-orange-fill:#fff5e3;
  --color-danger-fill:#fef3f2;
  --shadow-sm:0 1px 2px rgb(3 17 28 / .06); --shadow-md:0 4px 16px rgb(3 17 28 / .08);
}

.cs3 *, .cs3 *::before, .cs3 *::after { box-sizing: border-box; }
.cs3 p { margin: 0; }
.cs3 img { display: block; max-width: 100%; height: auto; }
.cs3 :focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }

/* type roles (beat the site's global h1–h6 rules) */
.cs3 h1, .cs3 h2, .cs3 h3, .cs3 h4 {
  margin: 0;
  font-family: var(--font-display) !important;
  font-weight: 600 !important;
  color: var(--color-text);
  text-wrap: balance;
}
.cs3 h1 *, .cs3 h2 *, .cs3 h3 * { font-family: inherit !important; }
.cs3 h5 { margin: 0; font-family: var(--font-sans) !important; font-weight: 600; font-size: var(--text-base); color: var(--color-text); }
.cs3 b, .cs3 strong { font-weight: 600; color: var(--color-text); }
.cs3 .mono { font-family: var(--font-code) !important; font-size: .9em; }
.cs3 .eyebrow {
  display: block;
  font-family: var(--font-sans) !important;
  font-size: var(--text-2xs);
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* layout — one left edge, one width
   Every block starts on the header's left edge and runs the full header width;
   images run as full-screen bands.
   .cs3-body is display:contents, so its children are items of the section grid. */
.cs3-page { --rhythm: clamp(2.5rem, 1.6rem + 2.5vw, 4rem); }
.cs3-wrap { width: 100%; max-width: calc(var(--container-max) + 2 * var(--space-gutter)); margin: 0 auto; padding-inline: var(--space-gutter); }
.cs3 { counter-reset: cs3-sec; }
.cs3-section { padding-block: var(--space-section); border-top: 1px solid var(--color-border); counter-increment: cs3-sec; counter-reset: cs3-sub; }
.cs3-wrap.cs3-grid {
  max-width: none;
  padding-inline: 0;
  display: grid;
  grid-template-columns: [full-start] minmax(var(--space-gutter), 1fr) [content-start] minmax(0, var(--container-max)) [content-end] minmax(var(--space-gutter), 1fr) [full-end];
  row-gap: var(--rhythm);
}
.cs3-body { display: contents; }
.cs3-body > *, .cs3-kicker { grid-column: content-start / content-end; min-width: 0; max-width: none; }
.cs3-body > .cs3-wide { max-width: none; }
.cs3-body > .cs3-band { grid-column: full-start / full-end; max-width: none; margin-block: calc(var(--rhythm) * .5); }

/* section heading: kicker line, then the statement as a display heading */
.cs3 .cs3-kicker { display: flex; align-items: center; gap: var(--space-3); margin: 0 0 calc(var(--space-3) - var(--rhythm)); max-width: none !important; }
.cs3-kicker__num { font-family: var(--font-code) !important; font-size: var(--text-sm); color: var(--color-text); font-variant-numeric: tabular-nums; }
.cs3-kicker i { width: 40px; height: 1px; background: var(--color-border-strong); }
.cs3-kicker__label { font-size: var(--text-2xs); font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--color-text-muted); }
.cs3 .cs3-title { font-size: var(--text-3xl) !important; line-height: var(--leading-tight); letter-spacing: var(--tracking-tight) !important; max-width: none; }

/* sub-heading: numbered within its section (06.1, 06.2 …) */
.cs3 .cs3-h3 {
  counter-increment: cs3-sub;
  display: flex; align-items: baseline; gap: var(--space-4);
  font-family: var(--font-display) !important; font-size: var(--text-xl) !important; font-weight: 600 !important;
  line-height: var(--leading-snug); letter-spacing: var(--tracking-snug) !important; max-width: none;
}
.cs3 .cs3-h3::before {
  content: counter(cs3-sec, decimal-leading-zero) "." counter(cs3-sub);
  flex: none; min-width: 2.75rem;
  font-family: var(--font-code); font-size: var(--text-xs); font-weight: 400; letter-spacing: 0;
  color: var(--color-text-muted); font-variant-numeric: tabular-nums;
}

.cs3-block { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-6); min-width: 0; }
.cs3-prose { display: grid; gap: var(--space-4); max-width: none; color: var(--color-text-secondary); font-size: var(--text-md); line-height: 1.6; }
.cs3-prose ul { margin: 0; padding: 0; list-style: none; display: grid; gap: var(--space-3); }
.cs3-prose li { position: relative; padding-left: var(--space-6); }
.cs3-prose li::before { content: ""; position: absolute; left: 4px; top: .8em; width: 8px; height: 1px; background: var(--color-text-muted); }
@media (max-width: 600px) {
  .cs3 .cs3-h3 { flex-direction: column; gap: var(--space-1); }
}

/* image bands: full screen width, image large and centred */
.cs3-band { margin: 0 clamp(0px, 2.2vw, 40px); padding: clamp(1.5rem, 6vw, 7rem) clamp(1rem, 5vw, 6rem); background: var(--color-surface); }
.cs3-band__inner { max-width: 1320px; margin: 0 auto; display: grid; gap: var(--space-4); }
.cs3-band .cs3-media__frame { border: 1px solid var(--color-border); background: var(--color-bg); box-shadow: var(--shadow-md); }
.cs3-band figcaption, .cs3-band .cs3-ba-caps { font-size: var(--text-xs); color: var(--color-text-muted); max-width: none; }
.cs3-band .cs3-ba-caps { max-width: none; }
@media (max-width: 600px) { .cs3-band { margin-inline: 0; } }

/* highlighter: one key phrase per block, swept in */
.cs3 .mark {
  color: var(--color-text);
  background: linear-gradient(var(--color-highlighter), var(--color-highlighter)) no-repeat 0 85% / 100% 42%;
  padding: 0 .08em;
}
.js-cs3 .cs3 .mark { background-size: 0% 42%; transition: background-size .9s var(--ease-out) .25s; }
.js-cs3 .cs3 .is-in .mark, .js-cs3 .cs3 .mark.is-in { background-size: 100% 42%; }
.cs3 .hand { font-family: var(--font-hand) !important; font-size: 1.6rem; line-height: 1.1; color: var(--color-text); transform: rotate(-2deg); display: inline-block; }

/* tags + buttons */
.cs3 .tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 2px 8px;
  font-family: var(--font-sans) !important;
  font-size: var(--text-2xs); font-weight: 500;
  letter-spacing: var(--tracking-wide); text-transform: uppercase;
  border-radius: var(--radius-xs); line-height: 1.5;
}
.cs3 .tag-outline { box-shadow: inset 0 0 0 1px var(--color-border-strong); color: var(--color-text-secondary); }
.cs3 .tag-ink { background: var(--color-text); color: var(--color-bg); }
.cs3 .tag-blue { background: var(--color-tag-blue-fill); color: var(--color-tag-blue); }
.cs3 .tag-badge { background: var(--color-badge-fill); color: var(--color-badge); }
.cs3 .tag-good { background: var(--color-good-fill); color: var(--color-good); }
.cs3 .tag-bad { background: var(--color-danger-fill); color: var(--color-danger); }
.cs3 .tag-row { display: flex; flex-wrap: wrap; gap: var(--space-2); }

/* ---------- Hero ---------- */
.cs3-hero { padding-top: clamp(2.5rem, 1.6rem + 3.7vw, 3.75rem); padding-bottom: var(--space-block); }
.cs3-hero__top { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3); margin-bottom: var(--space-8); }
.cs3-back {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-sm); color: var(--color-text-muted); text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}
.cs3-back:hover { color: var(--color-text); }
.cs3-back svg { width: 16px; height: 16px; transition: transform var(--cta-dur) var(--ease-out); }
.cs3-back:hover svg { transform: translateX(-3px); }
.cs3-hero h1 {
  font-size: var(--text-5xl) !important;
  line-height: var(--leading-none);
  letter-spacing: var(--tracking-tight) !important;
  max-width: none;
}
.cs3-hero__lead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-12);
  margin-top: var(--space-10);
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
}
.cs3-hero__lead p + p { margin-top: 0; }
@media (max-width: 760px) { .cs3-hero__lead { grid-template-columns: 1fr; gap: var(--space-4); } }

.cs3-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: var(--space-12) 0 0;
  border-top: 1px solid var(--color-border);
}
.cs3-facts > div { padding: var(--space-5) var(--space-5) 0 0; }
.cs3-facts > div + div { padding-left: var(--space-5); border-left: 1px solid var(--color-border); }
.cs3-facts dt { margin-bottom: var(--space-2); }
.cs3-facts dd { margin: 0; font-size: var(--text-sm); color: var(--color-text); line-height: var(--leading-snug); }
@media (max-width: 760px) {
  .cs3-facts { grid-template-columns: 1fr 1fr; }
  .cs3-facts > div:nth-child(3) { padding-left: 0; border-left: 0; }
  .cs3-facts > div:nth-child(n+3) { border-top: 1px solid var(--color-border); margin-top: var(--space-5); }
}

.cs3-cover .cs3-media__frame { overflow: hidden; }
.cs3-cover img { width: 100%; transform: scale(var(--cs3-cover-s, 1)); transform-origin: center top; will-change: transform; }

/* hero headline: words rise in (hl-rise) */
.cs3 .cs3-hl .w { display: inline-block; }
.js-cs3 .cs3 .cs3-hl .w { animation: hl-rise .76s var(--ease-out) calc(var(--i) * var(--hl-step)) backwards; }
@keyframes hl-rise { 0% { opacity: .01; transform: translate3d(0, 16px, 0); } }

/* ---------- Results band ---------- */
.cs3-results { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.cs3-results > div { padding: var(--space-8) var(--space-6) var(--space-8) 0; display: grid; gap: var(--space-3); align-content: start; }
.cs3-results > div + div { padding-left: var(--space-6); border-left: 1px solid var(--color-border); }
.cs3-results .n { font-family: var(--font-display) !important; font-weight: 600; font-size: var(--text-4xl); line-height: 1; letter-spacing: var(--tracking-tight); color: var(--color-text); font-variant-numeric: tabular-nums; }
.cs3-results p { font-size: var(--text-sm); color: var(--color-text-secondary); max-width: 30ch; }
@media (max-width: 760px) {
  .cs3-results { grid-template-columns: 1fr; }
  .cs3-results > div, .cs3-results > div + div { padding: var(--space-6) 0; border-left: 0; }
  .cs3-results > div + div { border-top: 1px solid var(--color-border); }
}

/* ---------- Challenge rows (service-list pattern) ---------- */
.cs3-rows { border-top: 1px solid var(--color-border); }
.cs3-row { border-bottom: 1px solid var(--color-border); padding-block: var(--space-10); display: grid; gap: var(--space-6); }
.cs3-body > .cs3-row { border: 0; padding-block: 0; }
.cs3-row__head { display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: var(--space-4); align-items: baseline; }
.cs3-row__num, .cs3-row__title { font-family: var(--font-display) !important; font-weight: 600; font-size: var(--text-3xl); letter-spacing: var(--tracking-tight); line-height: 1.05; }
.cs3-row__num { color: var(--color-text-muted); }
.cs3-row__cols { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-8); padding-left: calc(72px + var(--space-4)); }
.cs3-row__cols p { font-size: var(--text-sm); color: var(--color-text-secondary); margin-top: var(--space-2); }
@media (max-width: 760px) {
  .cs3-row__head { grid-template-columns: 44px minmax(0, 1fr); }
  .cs3-row__cols { grid-template-columns: 1fr; padding-left: 0; gap: var(--space-5); }
}

/* ---------- Media ---------- */
.cs3-media { margin: 0; display: grid; gap: var(--space-3); }
.cs3-media__frame { border: 1px solid var(--color-border); background: var(--color-bg-subtle); overflow: hidden; cursor: zoom-in; }
.cs3-media__frame img { width: 100%; transition: transform .9s var(--ease-out); }
.cs3-media__frame:hover img { transform: scale(1.015); }
.cs3-media figcaption { font-size: var(--text-xs); color: var(--color-text-muted); max-width: none; }
.cs3-media figcaption b { font-weight: 500; }
.cs3-bleed { width: 100%; }

/* ---------- Cards (square, hairline, no shadow) ---------- */
.cs3-cards { display: grid; gap: 1px; background: var(--color-border); border: 1px solid var(--color-border); }
.cs3-cards--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cs3-cards--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cs3-card { background: var(--color-bg); padding: var(--space-6); display: grid; gap: var(--space-3); align-content: start; min-width: 0; }
.cs3-card p { font-size: var(--text-sm); color: var(--color-text-secondary); }
.cs3-card h4 { font-size: var(--text-xl) !important; line-height: var(--leading-tight); letter-spacing: var(--tracking-snug) !important; }
.cs3-card .ic { width: 36px; height: 36px; display: grid; place-items: center; border: 1px solid var(--color-border-strong); border-radius: var(--radius-sm); color: var(--color-text); }
.cs3-card .ic svg { width: 18px; height: 18px; }
.cs3-card--win { background: var(--color-bg-subtle); box-shadow: inset 0 2px 0 var(--color-accent); }
.cs3-card .why { margin-top: var(--space-2); padding-top: var(--space-4); border-top: 1px solid var(--color-border); font-size: var(--text-sm); color: var(--color-text-secondary); }
.cs3-card dl { margin: 0; display: grid; gap: var(--space-4); }
.cs3-card dd { margin: var(--space-1) 0 0; font-size: var(--text-sm); color: var(--color-text-secondary); }
@media (max-width: 900px) { .cs3-cards--3 { grid-template-columns: 1fr; } }
@media (max-width: 680px) { .cs3-cards--2 { grid-template-columns: 1fr; } }

/* ---------- Flow strips (before / after) ---------- */
.cs3-flow { border: 1px solid var(--color-border); }
.cs3-flow + .cs3-flow { border-top: 0; }
.cs3-flow__head { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; justify-content: space-between; padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--color-border); }
.cs3-flow__title { font-size: var(--text-sm); color: var(--color-text); font-weight: 500; }
.cs3-flow__stats { display: flex; gap: var(--space-4); font-family: var(--font-code) !important; font-size: var(--text-xs); color: var(--color-text-muted); }
.cs3-flow ol { list-style: none; margin: 0; padding: 0; display: grid; grid-auto-flow: column; grid-auto-columns: minmax(150px, 1fr); overflow-x: auto; scrollbar-width: thin; }
.cs3-flow li { padding: var(--space-5); border-right: 1px solid var(--color-border); display: grid; gap: var(--space-2); align-content: start; min-width: 0; }
.cs3-flow li:last-child { border-right: 0; }
.cs3-flow li .k { font-family: var(--font-code) !important; font-size: var(--text-2xs); color: var(--color-text-muted); }
.cs3-flow li h5 { font-size: var(--text-sm); }
.cs3-flow li p { font-size: var(--text-xs); color: var(--color-text-secondary); }
.cs3-flow li .fx { display: flex; gap: 6px; align-items: flex-start; font-size: var(--text-xs); margin-top: var(--space-1); }
.cs3-flow li .fx svg { width: 14px; height: 14px; flex: none; margin-top: 2px; }
.cs3-flow--old li .fx { color: var(--color-danger); }
.cs3-flow--new { background: var(--color-bg-subtle); }
.cs3-flow--new li .fx { color: var(--color-good); }
.cs3-flow--new li:last-child { box-shadow: inset 0 -2px 0 var(--color-accent); }
.cs3-flow__foot { padding: var(--space-3) var(--space-5); border-top: 1px dashed var(--color-border-strong); font-size: var(--text-xs); color: var(--color-text-secondary); }

/* comparison table */
.cs3-table { overflow-x: auto; border: 1px solid var(--color-border); }
.cs3-table table { width: 100%; min-width: 560px; border-collapse: collapse; font-size: var(--text-sm); }
.cs3-table th, .cs3-table td { text-align: left; vertical-align: top; padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--color-border); }
.cs3-table tr:last-child td { border-bottom: 0; }
.cs3-table th { font-size: var(--text-2xs); font-weight: 500; letter-spacing: .06em; text-transform: uppercase; color: var(--color-text-muted); background: var(--color-bg-subtle); }
.cs3-table td:first-child { color: var(--color-text); font-weight: 500; width: 24%; }
.cs3-table td { color: var(--color-text-secondary); }
.cs3-table td.b { color: var(--color-danger); }
.cs3-table td.a { color: var(--color-good); }

/* versus list (competitors) */
.cs3-vs { border: 1px solid var(--color-border); }
.cs3-vs__row { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--color-border); }
.cs3-vs__row > div { padding: var(--space-5); display: flex; gap: var(--space-3); font-size: var(--text-sm); color: var(--color-text-secondary); }
.cs3-vs__row > div + div { border-left: 1px solid var(--color-border); }
.cs3-vs__row svg { width: 16px; height: 16px; flex: none; margin-top: 3px; }
.cs3-vs__row .good svg { color: var(--color-good); }
.cs3-vs__row .gap svg { color: var(--color-danger); }
.cs3-vs__row--head > div { padding-block: var(--space-3); background: var(--color-bg-subtle); }
.cs3-vs__foot { padding: var(--space-5); font-size: var(--text-sm); color: var(--color-text); background: var(--color-bg-subtle); }
@media (max-width: 680px) { .cs3-vs__row { grid-template-columns: 1fr; } .cs3-vs__row > div + div { border-left: 0; border-top: 1px solid var(--color-border); } }

/* notes / callouts */
.cs3-note { display: grid; grid-template-columns: auto 1fr; gap: var(--space-4); padding: var(--space-5); background: var(--color-surface); font-size: var(--text-sm); color: var(--color-text-secondary); }
.cs3-note svg { width: 18px; height: 18px; color: var(--color-text); margin-top: 2px; }
.cs3-note .eyebrow { margin-bottom: var(--space-1); color: var(--color-text); }
.cs3-note--warn svg { color: var(--color-highlight); }
.cs3-edge { display: grid; grid-template-columns: 120px 1fr; gap: var(--space-4); padding-block: var(--space-5); border-top: 1px solid var(--color-border); font-size: var(--text-sm); color: var(--color-text-secondary); }
.cs3-edge:last-child { border-bottom: 1px solid var(--color-border); }
@media (max-width: 600px) { .cs3-edge { grid-template-columns: 1fr; gap: var(--space-2); } }

/* pull quote */
.cs3-quote { margin: 0; padding-left: var(--space-6); border-left: 2px solid var(--color-accent); }
.cs3-quote p { font-family: var(--font-display) !important; font-weight: 600; font-size: var(--text-2xl); line-height: var(--leading-snug); letter-spacing: var(--tracking-snug); color: var(--color-text); max-width: none; }

/* metrics */
.cs3-metrics .n { font-family: var(--font-display) !important; font-weight: 600; font-size: var(--text-3xl); letter-spacing: var(--tracking-tight); line-height: 1; color: var(--color-text); font-variant-numeric: tabular-nums; }

/* before / after slider */
.cs3-ba { position: relative; --pos: 50%; border: 1px solid var(--color-border); overflow: hidden; background: var(--color-bg-subtle); user-select: none; touch-action: pan-y; aspect-ratio: 2048 / 1160; }
.cs3-ba img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top center; pointer-events: none; }
.cs3-ba__before { clip-path: inset(0 calc(100% - var(--pos)) 0 0); }
.cs3-ba__line { position: absolute; top: 0; bottom: 0; left: var(--pos); width: 2px; translate: -50% 0; background: #fff; box-shadow: 0 0 0 1px rgb(0 0 0 / .15); pointer-events: none; }
.cs3-ba__handle { all: unset; position: absolute; top: 50%; left: var(--pos); translate: -50% -50%; width: 44px; height: 44px; display: grid; place-items: center; background: #fff; color: #03111c; border-radius: var(--radius-pill); box-shadow: var(--shadow-md); cursor: ew-resize; }
.cs3-ba__handle:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }
.cs3-ba__handle svg { width: 20px; height: 20px; }
.cs3-ba .tag { position: absolute; top: var(--space-3); z-index: 2; }
.cs3-ba .cs3-ba__tag-before { left: var(--space-3); }
.cs3-ba .cs3-ba__tag-after { right: var(--space-3); }
.cs3-ba-caps { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); font-size: var(--text-xs); color: var(--color-text-muted); }
@media (max-width: 600px) { .cs3-ba-caps { grid-template-columns: 1fr; gap: var(--space-2); } }

/* annotated figure (kept from the original page) */
.cs3-anno { position: relative; aspect-ratio: 1000 / 760; }
.cs3-anno img { position: absolute; left: 0; top: 14.47%; width: 100%; height: 73.55%; object-fit: cover; object-position: top left; border: 1px solid var(--color-border); }
.cs3-anno svg { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.cs3-anno path { fill: none; stroke: var(--color-highlight); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.cs3-anno text { font-family: var(--font-hand); font-size: 30px; font-weight: 700; fill: var(--color-highlight); }
.js-cs3 .cs3-anno path { stroke-dasharray: var(--len); stroke-dashoffset: var(--len); transition: stroke-dashoffset 1.2s var(--ease-out) .3s; }
.js-cs3 .cs3-anno.is-in path { stroke-dashoffset: 0; }
.cs3-legend { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-6); font-size: var(--text-xs); color: var(--color-text-secondary); }
@media (max-width: 700px) { .cs3-legend { grid-template-columns: 1fr; gap: var(--space-2); } }

/* FAQ accordion */
.cs3-faq { border-top: 1px solid var(--color-border); }
.cs3-faq details { border-bottom: 1px solid var(--color-border); }
.cs3-faq summary { list-style: none; display: grid; grid-template-columns: 1fr 24px; gap: var(--space-4); align-items: center; padding: var(--space-6) 0; cursor: pointer; font-family: var(--font-display) !important; font-weight: 600; font-size: var(--text-xl); letter-spacing: var(--tracking-snug); color: var(--color-text); }
.cs3-faq summary::-webkit-details-marker { display: none; }
.cs3-faq .plus { position: relative; width: 16px; height: 16px; justify-self: end; }
.cs3-faq .plus::before, .cs3-faq .plus::after { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1.5px; background: currentColor; transition: transform var(--duration-base) var(--ease-out); }
.cs3-faq .plus::after { transform: rotate(90deg); }
.cs3-faq details[open] .plus::after { transform: rotate(0deg); }
.cs3-faq .a { padding: 0 var(--space-10) var(--space-6) 0; color: var(--color-text-secondary); font-size: var(--text-base); max-width: none; }

/* closing statement */
.cs3-closing { display: grid; gap: var(--space-6); }
.cs3-closing__big { font-family: var(--font-display) !important; font-weight: 600; font-size: var(--text-3xl); line-height: var(--leading-display); letter-spacing: var(--tracking-tight); color: var(--color-text); max-width: none; }
.cs3-closing__big span { color: var(--color-text-muted); }

/* next project */
.cs3-next { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); border: 1px solid var(--color-border); text-decoration: none; color: inherit; background: var(--color-bg-subtle); overflow: hidden; }
.cs3-next__body { padding: var(--space-10); display: grid; gap: var(--space-4); align-content: space-between; }
.cs3-next h3 { font-size: var(--text-3xl) !important; line-height: var(--leading-tight); letter-spacing: var(--tracking-tight) !important; }
.cs3-next p { font-size: var(--text-sm); color: var(--color-text-secondary); }
.cs3-next__media { overflow: hidden; min-height: 280px; }
.cs3-next__media img { width: 100%; height: 100%; object-fit: cover; object-position: left top; transition: transform 1s var(--ease-out); }
.cs3-next:hover .cs3-next__media img { transform: scale(1.04); }
.cs3-next .cs3-link { display: inline-flex; gap: var(--space-2); align-items: center; font-size: var(--text-sm); font-weight: 500; color: var(--color-text); position: relative; width: max-content; }
.cs3-next .cs3-link::after { content: ""; position: absolute; left: 0; right: 0; bottom: -3px; height: 1px; background: currentColor; transform-origin: right; transition: transform var(--duration-slow) var(--ease-out); }
.cs3-next:hover .cs3-link::after { transform: scaleX(0); }
.cs3-next .cs3-link svg { width: 16px; height: 16px; transition: transform var(--cta-dur) var(--ease-out); }
.cs3-next:hover .cs3-link svg { transform: translateX(3px); }
@media (max-width: 760px) { .cs3-next { grid-template-columns: 1fr; } .cs3-next__body { padding: var(--space-6); } }

/* reading progress */
.cs3-progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 10001; pointer-events: none; }
.cs3-progress span { display: block; height: 100%; background: var(--color-accent, #3b8bff); transform-origin: left; transform: scaleX(var(--p, 0)); }

/* lightbox */
.cs3-lb { position: fixed; inset: 0; z-index: 10002; display: grid; place-items: center; padding: max(16px, env(safe-area-inset-top, 0px)) max(16px, env(safe-area-inset-right, 0px)) max(16px, env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px)); background: rgb(0 0 0 / .86); opacity: 0; visibility: hidden; transition: opacity var(--duration-base) var(--ease-out), visibility 0s linear var(--duration-base); }
.cs3-lb.is-open { opacity: 1; visibility: visible; transition-delay: 0s; }
.cs3-lb img { max-width: 100%; max-height: 82vh; object-fit: contain; transform: scale(.97); transition: transform var(--duration-slow) var(--ease-out); }
.cs3-lb.is-open img { transform: none; }
.cs3-lb p { margin-top: 12px; color: #f5f5f5; opacity: .75; font-size: 13px; text-align: center; max-width: 70ch; }
.cs3-lb button { all: unset; position: absolute; top: 16px; right: 16px; width: 40px; height: 40px; display: grid; place-items: center; color: #fff; cursor: pointer; border-radius: 4px; }
.cs3-lb button:focus-visible { outline: 2px solid #3b8bff; }

/* ---------- Reveal motion (only when JS is on; content stays visible otherwise) ---------- */
.js-cs3 [data-rv] { opacity: .01; transform: translateY(14px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); transition-delay: calc(var(--d, 0) * 80ms); }
.js-cs3 [data-rv].is-in { opacity: 1; transform: none; }
.js-cs3 [data-rv="unfold"] { opacity: .4; transform: translateY(24px); clip-path: inset(0 0 100%); transition: clip-path .9s var(--ease-out), opacity .45s var(--ease-out), transform .9s var(--ease-out); }
.js-cs3 [data-rv="unfold"].is-in { opacity: 1; transform: none; clip-path: inset(0); }
.js-cs3 .cs3-section { border-top-color: transparent; position: relative; }
.js-cs3 .cs3-section::before { content: ""; position: absolute; top: -1px; left: 0; right: 0; height: 1px; background: var(--color-border); transform: scaleX(0); transform-origin: left; transition: transform .9s var(--ease-out); }
.js-cs3 .cs3-section.is-in::before { transform: scaleX(1); }

@media (prefers-reduced-motion: reduce) {
  .cs3 *, .cs3 *::before, .cs3 *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; transition-delay: 0ms !important; }
  .cs3-cover img { transform: none !important; }
}

/* ==========================================================================
   Page shell in the new theme: body, header, footer (case study pages only)
   ========================================================================== */
body.cs3-page { background: var(--color-bg) !important; color: var(--color-text); font-family: var(--font-sans); }
.cs3-page #main { max-width: none !important; padding: 0 !important; border: 0 !important; }
.cs3-page #main > .mz-footer { max-width: calc(var(--container-max) + 2 * var(--space-gutter)); margin-inline: auto; padding-inline: var(--space-gutter) !important; }

/* announcement bar */
.cs3-announce {
  display: flex; justify-content: center; align-items: center; gap: var(--space-3);
  min-height: 36px; padding: 6px max(16px, env(safe-area-inset-right, 0px)) 6px max(16px, env(safe-area-inset-left, 0px));
  background: #03111c; color: #f5f5f5;
  font: 400 var(--text-sm)/1.3 var(--font-sans); text-decoration: none; text-align: center;
}
html:not([data-theme="light"]) .cs3-announce { background: #000; border-bottom: 1px solid var(--color-border); }
.cs3-announce .tag {
  display: inline-flex; align-items: center; flex: none;
  padding: 2px 8px;
  font: 500 var(--text-2xs)/1.5 var(--font-sans);
  letter-spacing: var(--tracking-wide); text-transform: uppercase;
  background: #f5f5f5; color: #03111c;
}
.cs3-announce svg { width: 16px; height: 16px; flex: none; transition: transform var(--cta-dur) var(--ease-out); }
.cs3-announce:hover svg { transform: translateX(3px); }

/* header bar: sticky, blur 14px, hairline */
.cs3-page .site-header {
  background: var(--color-bg);
  -webkit-backdrop-filter: none; backdrop-filter: none;
  border-bottom: 1px solid var(--color-border);
}
.cs3-page .site-header__inner { max-width: calc(var(--container-max) + 2 * var(--space-gutter)) !important; padding-inline: var(--space-gutter) !important; height: 68px; }
.cs3-page .site-header__nav { gap: 2px; }
.cs3-page .site-header__logo-img { height: 20px; }
.cs3-page .site-header__link { color: var(--color-text-secondary); font: 500 var(--text-sm)/1 var(--font-sans); padding: 10px 12px; transition: color var(--duration-fast) var(--ease-out), background-color var(--duration-fast) var(--ease-out); }
.cs3-page .site-header__link:hover,
.cs3-page .site-header__link.active { color: var(--color-text); background: var(--color-fill-subtle); }
.cs3-page .site-header__theme { color: var(--color-text-secondary); }
.cs3-page .site-header__theme:hover { color: var(--color-text); background: var(--color-fill-subtle); }
.cs3-page .cs3-cta {
  display: inline-flex; align-items: center; gap: var(--space-2);
  height: 40px; padding: 0 16px; margin-left: var(--space-2);
  background: var(--color-accent-fill); color: var(--color-on-accent);
  font: 500 var(--text-sm)/1 var(--font-sans); text-decoration: none; white-space: nowrap;
  transition: background var(--cta-dur) var(--ease-out);
}
.cs3-page .cs3-cta:hover { background: #0b5fd9; }
@media (max-width: 900px) { .cs3-page .site-header__nav .cs3-cta { display: none; } }

/* buttons (design-system .btn) */
.cs3-page .cs3-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  height: 40px; padding: 0 16px; border: 0; cursor: pointer; text-decoration: none; white-space: nowrap;
  font: 500 var(--text-sm)/1 var(--font-sans);
  transition: background var(--cta-dur) var(--ease-out), color var(--cta-dur) var(--ease-out), opacity var(--cta-dur) var(--ease-out);
}
.cs3-page .cs3-btn--primary { background: var(--color-text); color: var(--color-bg); }
.cs3-page .cs3-btn--primary:hover { opacity: .88; }
.cs3-page .cs3-btn--ghost { background: transparent; color: var(--color-text); box-shadow: inset 0 0 0 1px var(--color-border-strong); }
.cs3-page .cs3-btn--ghost:hover { background: var(--color-fill-subtle); }

/* Design-system corner radii. The site still carries the old "zero radius everywhere"
   reset (three :not(#id) steps); four steps here outrank it for this page only. */
html:not(#r0a):not(#r0b):not(#r0c):not(#r0d) .cs3-page .tag,
html:not(#r0a):not(#r0b):not(#r0c):not(#r0d) .cs3-page .cs3-cta,
html:not(#r0a):not(#r0b):not(#r0c):not(#r0d) .cs3-page .cs3-btn { border-radius: var(--radius-xs) !important; }
html:not(#r0a):not(#r0b):not(#r0c):not(#r0d) .cs3-page .site-header__link,
html:not(#r0a):not(#r0b):not(#r0c):not(#r0d) .cs3-page .site-header__theme,
html:not(#r0a):not(#r0b):not(#r0c):not(#r0d) .cs3-page .cs3-card .ic,
html:not(#r0a):not(#r0b):not(#r0c):not(#r0d) .cs3-page .cs3-lb button,
html:not(#r0a):not(#r0b):not(#r0c):not(#r0d) .cs3-page .cs3-rail__tip { border-radius: var(--radius-sm) !important; }
html:not(#r0a):not(#r0b):not(#r0c):not(#r0d) .cs3-page .cs3-ba__handle { border-radius: var(--radius-pill) !important; }

/* ---------- section markers: tick rail on the left edge ---------- */
.cs3-rail { position: fixed; left: max(12px, env(safe-area-inset-left, 0px)); top: 50%; translate: 0 -50%; z-index: 900; display: grid; gap: 10px; opacity: 0; pointer-events: none; transition: opacity var(--duration-base) var(--ease-out); }
.cs3-rail.is-on { opacity: 1; pointer-events: auto; }
.cs3-rail a { position: relative; display: block; width: 24px; height: 14px; }
.cs3-rail a::before { content: ""; position: absolute; left: 0; top: 50%; width: 22px; height: 1.5px; background: var(--color-text-muted); transform: scaleX(.5455); transform-origin: left center; transition: transform var(--duration-base) var(--ease-out), background var(--duration-base) var(--ease-out); }
.cs3-rail a:hover::before { transform: scaleX(.8182); background: var(--color-text); }
.cs3-rail a.is-active::before { transform: none; background: var(--color-text); }
.cs3-rail__tip { position: absolute; left: 30px; top: 50%; translate: 0 -50%; white-space: nowrap; padding: 6px 10px; background: var(--color-text); color: var(--color-bg); font: 500 var(--text-xs)/1 var(--font-sans); opacity: 0; pointer-events: none; transition: opacity var(--duration-fast) var(--ease-out); }
.cs3-rail a:hover .cs3-rail__tip, .cs3-rail a:focus-visible .cs3-rail__tip { opacity: 1; }
@media (max-width: 1100px) { .cs3-rail { display: none; } }

/* ---------- sticky bottom bar ---------- */
.cs3-dock {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 950;
  display: flex; justify-content: space-between; align-items: center; gap: var(--space-4);
  padding: 10px max(var(--space-gutter), env(safe-area-inset-right, 0px)) calc(10px + env(safe-area-inset-bottom, 0px)) max(var(--space-gutter), env(safe-area-inset-left, 0px));
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border-top: 1px solid var(--color-border);
  transform: translateY(110%); transition: transform var(--duration-slow) var(--ease-out);
}
.cs3-dock.is-on { transform: none; }
.cs3-dock__meta { display: flex; align-items: center; gap: var(--space-3); min-width: 0; font-size: var(--text-sm); color: var(--color-text); }
.cs3-dock__meta:last-child { justify-content: flex-end; padding-right: 56px; } /* clears the floating chat button */
.cs3-dock__meta .eyebrow { flex: none; }
.cs3-dock__meta i { flex: none; width: 40px; height: 1px; background: var(--color-border-strong); }
.cs3-dock__meta span:last-child { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cs3-dock__actions { display: flex; gap: 0; }
.cs3-dock__actions .cs3-btn { height: 36px; }
@media (max-width: 760px) { .cs3-dock__actions { display: none; } }
@media (max-width: 760px) {
  .cs3-dock__meta:last-child { padding-right: 56px; }
  .cs3-dock__meta .eyebrow, .cs3-dock__meta i { display: none; }
  .cs3-dock__meta { font-size: var(--text-xs); }
}
body.cs3-page { padding-bottom: 64px; }

@media (prefers-reduced-motion: reduce) {
  .cs3-dock, .cs3-rail, .cs3-rail a::before { transition: none !important; }
}

/* hero with a single intro paragraph */
.cs3-hero__lead--one { grid-template-columns: minmax(0, 1fr); }
.cs3-hero__lead--one p { max-width: none; }

/* section heading + first paragraph read as one unit */
.cs3-body > .cs3-block:first-child + .cs3-prose { margin-top: calc(var(--space-5) - var(--rhythm)); }

/* portrait (phone) screenshots: keep them phone-sized inside the band */
.cs3-band--narrow .cs3-band__inner { max-width: 880px; }
.cs3-band--narrow .cs3-media__frame { max-width: 400px; margin-inline: auto; }
.cs3-band--narrow figcaption { text-align: center; margin-inline: auto; }

/* converted pages keep their old minimap markup for their scripts; the tick rail replaces it */
.cs3-page .minimap { display: none !important; }

/* related pieces sit close: a label hugs what it labels, a sub-heading hugs its content,
   consecutive paragraphs read as one passage; the big rhythm gap is only between blocks */
.cs3-body > .eyebrow { margin-bottom: calc(var(--space-3) - var(--rhythm)); }
.cs3-body > .cs3-h3 + * { margin-top: calc(var(--space-5) - var(--rhythm)); }
.cs3-body > .cs3-prose + .cs3-prose { margin-top: calc(var(--space-4) - var(--rhythm)); }
/* paragraphs carried over from older pages keep their own caps; lift them to header width */
.cs3 .cs3-prose > *, .cs3 .cs3-prose p { max-width: none !important; }
/* carried-over components bring their own outer margins; the section grid owns spacing */
.cs3 .cs3-legacy > :first-child { margin-top: 0 !important; }
.cs3 .cs3-legacy > :last-child { margin-bottom: 0 !important; }
/* LitBox design-system grid: let its columns shrink below their content's min width on phones */
.cs3 .ds-grid > * { min-width: 0; }
@media (max-width: 768px) { .cs3 .ds-grid { grid-template-columns: minmax(0, 1fr); } }

/* lists inside cards */
.cs3-card ul { margin: 0; padding: 0; list-style: none; display: grid; gap: var(--space-2); font-size: var(--text-sm); color: var(--color-text-secondary); }
.cs3-card ul li { position: relative; padding-left: var(--space-4); }
.cs3-card ul li::before { content: ""; position: absolute; left: 0; top: .7em; width: 6px; height: 1px; background: var(--color-text-muted); }
/* five-up facts row */
.cs3-facts--5 { grid-template-columns: repeat(5, minmax(0, 1fr)); margin-top: 0; }
@media (max-width: 900px) { .cs3-facts--5 { grid-template-columns: 1fr 1fr; } .cs3-facts--5 > div:nth-child(odd) { padding-left: 0; border-left: 0; } .cs3-facts--5 > div:nth-child(n+3) { border-top: 1px solid var(--color-border); margin-top: var(--space-5); } }
/* fork at the end of a flow: two outcomes stacked in one step */
.cs3-flow li.cs3-flow__fork { background: color-mix(in srgb, var(--color-accent) 6%, transparent); }
.cs3-flow li.cs3-flow__fork h5 + p { margin-bottom: var(--space-2); }
/* very tall full-page screenshots: a readable column instead of ten screens of scrolling */
.cs3-band--tall .cs3-band__inner { max-width: 820px; }
/* Before / After tag leading a caption */
.cs3-band figcaption .tag { margin-right: 6px; vertical-align: 1px; }

/* ---------- More case studies (replaces the single next-project card) ---------- */
.cs3-more .cs3-more__head { display: grid; justify-items: center; gap: var(--space-4); text-align: center; margin-bottom: var(--space-12); }
.cs3 .cs3-more__head h2 { font-size: var(--text-5xl) !important; line-height: var(--leading-none); letter-spacing: var(--tracking-tight) !important; }
.cs3-more__head p { font-size: var(--text-lg); color: var(--color-text-secondary); max-width: 40ch; }
.cs3-more__head a { color: var(--color-text); text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px; }
.cs3-more__head a:hover { text-decoration-thickness: 2px; }
.cs3-more__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-5); }
.cs3-more__card {
  display: flex; flex-direction: column;
  padding: var(--space-2);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: inherit; text-decoration: none;
  transition: border-color var(--duration-base) var(--ease-out);
}
.cs3-more__card:hover, .cs3-more__card:focus-visible { border-color: var(--color-border-strong); }
.cs3-more__card:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }
.cs3-more__media { display: block; aspect-ratio: 10 / 7; overflow: hidden; background: var(--color-surface); }
.cs3-more__media img { width: 100%; height: 100%; object-fit: cover; object-position: left top; transition: transform .9s var(--ease-out); }
.cs3-more__card:hover .cs3-more__media img { transform: scale(1.03); }
.cs3-more__meta { display: flex; align-items: center; gap: var(--space-2); padding: var(--space-5) var(--space-3) var(--space-4); border-bottom: 1px solid var(--color-border); }
.cs3-more__name { font-size: var(--text-base); font-weight: 600; color: var(--color-text); }
.cs3-more__org { margin-left: auto; font-size: var(--text-2xs); letter-spacing: .06em; text-transform: uppercase; color: var(--color-text-muted); white-space: nowrap; }
.cs3-more__foot { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-4); padding: var(--space-4) var(--space-3) var(--space-5); flex: 1; }
.cs3-more__line { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 600; line-height: 1.3; letter-spacing: var(--tracking-snug); color: var(--color-text); text-wrap: pretty; }
.cs3-more__arrow {
  flex: none; width: 32px; height: 32px; display: grid; place-items: center;
  border: 1px solid var(--color-border-strong); color: var(--color-text);
  transition: background var(--cta-dur) var(--ease-out), color var(--cta-dur) var(--ease-out), border-color var(--cta-dur) var(--ease-out);
}
.cs3-more__arrow svg { width: 16px; height: 16px; transition: transform var(--cta-dur) var(--ease-out); }
.cs3-more__card:hover .cs3-more__arrow { background: var(--color-text); color: var(--color-bg); border-color: var(--color-text); }
.cs3-more__card:hover .cs3-more__arrow svg { transform: translateX(2px); }
@media (max-width: 960px) { .cs3-more__grid { grid-template-columns: minmax(0, 1fr); max-width: 560px; margin-inline: auto; } }
html:not(#r0a):not(#r0b):not(#r0c):not(#r0d) .cs3-page .cs3-more__arrow { border-radius: var(--radius-xs) !important; }
.cs3 .tag-plain { background: var(--color-fill-subtle); color: var(--color-text-secondary); text-transform: none; letter-spacing: 0; font-size: var(--text-xs); }
.cs3-more__meta .tag, .cs3-more__name { white-space: nowrap; }

/* the hatched strip separates the case study from the "more case studies" cards */
.cs3 .cs3-more { border-top: 0; padding-top: 0; }
.js-cs3 .cs3 .cs3-more::before { display: none; }
.cs3 .cs3-more .hatched-divider {
  width: 100% !important;
  margin: 0 0 var(--space-12) !important;
  color: var(--color-text) !important;
  border-top: 1px solid var(--color-border-strong) !important;
  border-bottom: 1px solid var(--color-border-strong) !important;
}
.cs3 .cs3-more .hatched-divider__pattern { opacity: .28 !important; }

/* two images side by side inside a band */
.cs3-duo { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); align-items: start; }
.cs3-duo figure { margin: 0; display: grid; gap: var(--space-2); }
@media (max-width: 760px) { .cs3-duo { grid-template-columns: minmax(0, 1fr); } }

/* stacked share bar with a legend (severity mixes, splits) */
.cs3-meter { display: flex; height: 14px; overflow: hidden; background: var(--color-fill-subtle); }
.cs3-meter span { flex: 0 0 var(--w); background: var(--seg); }
.cs3-meter span + span { box-shadow: inset 2px 0 0 var(--color-bg); }
.cs3-meter__legend { list-style: none; margin: var(--space-4) 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-6); font-size: var(--text-sm); color: var(--color-text-secondary); }
.cs3-meter__legend li { display: inline-flex; align-items: center; gap: var(--space-2); }
.cs3-meter__legend li::before { content: ""; width: 10px; height: 10px; background: var(--seg); }
.cs3-meter__legend b { color: var(--color-text); font-variant-numeric: tabular-nums; }
.cs3 .is-blocker { --seg: var(--color-danger); }
.cs3 .is-major { --seg: var(--color-tag-orange); }
.cs3 .is-minor { --seg: var(--color-tag-blue); }
.cs3 .is-nit { --seg: var(--color-border-strong); }
.cs3 .is-praise { --seg: var(--color-good); }

/* download card */
.cs3-skill { display: grid; gap: var(--space-4); }
.cs3-skill h4 { font-size: var(--text-xl); }
.cs3-skill__list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3) var(--space-6); font-size: var(--text-sm); color: var(--color-text-secondary); }
.cs3-skill__list li { display: flex; gap: var(--space-2); align-items: flex-start; padding: 0; }
.cs3-skill__list li::before { content: none; }
.cs3-skill__list svg { flex: none; width: 16px; height: 16px; margin-top: 2px; color: var(--color-good); }
.cs3-skill__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.cs3-skill__actions .cs3-btn { gap: var(--space-2); }
.cs3-skill__note { font-size: var(--text-xs); color: var(--color-text-muted); }
@media (max-width: 760px) { .cs3-skill__list { grid-template-columns: minmax(0, 1fr); } }

/* four-up results row */
.cs3-results--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 900px) { .cs3-results--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .cs3-results--4 > div:nth-child(3) { padding-left: 0; border-left: 0; } }
@media (max-width: 760px) { .cs3-results--4 { grid-template-columns: 1fr; } }