/* Hallmark · genre: editorial · macrostructure: Marquee Hero · theme: custom · enrichment: E3 mockup-split-browser-framed · nav: N1b · footer: Ft1 */

/* ==========================================================================
   HALLMARK CASE STUDY BASE : Shared components, motion, layout
   ========================================================================== */

/* ==========================================================================
   RESET & BASE
   ========================================================================== */

/* Self-hosted fonts : shared by all case-study pages (Inter / Fraunces / JetBrains) */
@font-face {
  font-family: "Inter";
  src: url("../fonts/inter-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 75% 125%;
  font-display: swap;
  font-style: normal;
}
@font-face {
  font-family: "Fraunces";
  src: url("../fonts/fraunces.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 50% 200%;
  font-display: swap;
  font-style: normal;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/jetbrains.woff2") format("woff2");
  font-weight: 100 800;
  font-display: swap;
  font-style: normal;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--color-accent); }
:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }

/* Skip link */
.skip-link {
  position: absolute; top: -100%; left: var(--page-gutter);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-accent); color: var(--color-accent-ink);
  font-weight: 600; z-index: 10000;
  border-radius: 0 0 6px 6px;
  transition: top var(--dur-short) var(--ease-out);
}
.skip-link:focus { top: 0; }

/* Container */
.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--page-gutter); }

/* ==========================================================================
   MOTION TOKENS
   ========================================================================== */
:root {
  --ease-out:     cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:      cubic-bezier(0.7, 0, 0.84, 0);
  --ease-in-out:  cubic-bezier(0.65, 0, 0.35, 1);
  --dur-micro:    120ms;
  --dur-short:    220ms;
  --dur-long:     420ms;
}

/* ==========================================================================
   REVEAL ANIMATIONS
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity var(--dur-long) var(--ease-out), transform var(--dur-long) var(--ease-out);
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 80ms; }
.reveal[data-delay="2"] { transition-delay: 160ms; }
.reveal[data-delay="3"] { transition-delay: 240ms; }
.reveal[data-delay="4"] { transition-delay: 320ms; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; animation: none; }
}

/* ==========================================================================
   NAV : N1b Canonical SaaS three-section (matches agency nav)
   ========================================================================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding-block: var(--space-3);
  background: var(--color-paper);
  border-bottom: var(--rule-hair) solid var(--color-rule);
  transition: background var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out);
}
.nav.is-scrolled {
  background: var(--color-paper);
  border-bottom-color: var(--color-rule-strong);
  padding-block: var(--space-2);
}
.nav__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-6);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--page-gutter);
}
.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  grid-column: 3;
  justify-self: end;
}
.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}
.nav__logo {
  height: clamp(40px, 5vw, 56px);
  width: auto;
}
.nav__wordmark {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink);
  line-height: 1;
}
.nav__links {
  display: flex;
  gap: var(--space-7);
  align-items: center;
  justify-content: center;
}
.nav__link {
  position: relative;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-2);
  padding-block: var(--space-2);
  transition: color var(--dur-short) var(--ease-out);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform var(--dur-short) var(--ease-out);
}
.nav__link:hover,
.nav__link:focus-visible {
  color: var(--color-accent);
}
.nav__link:hover::after,
.nav__link:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left center;
}
.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: var(--space-2xs) var(--space-md);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: 6px;
  color: var(--color-ink);
  background: transparent;
  transition: all var(--dur-short) var(--ease-out);
}
.nav__cta:hover,
.nav__cta:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-soft);
}
.nav__lang {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-2);
  padding: var(--space-2xs) var(--space-sm);
  border-radius: 4px;
  border: var(--rule-hair) solid var(--color-rule);
  background: transparent;
  cursor: pointer;
  transition: all var(--dur-short) var(--ease-out);
}
.nav__lang:hover,
.nav__lang:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-soft);
}
.nav__lang-fr, .nav__lang-en { display: inline; }
.nav__lang-sep { color: var(--color-dim); }

/* Mobile drawer */
.nav-toggle { display: none; }
.nav__toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-ink);
  position: relative;
  transition: background var(--dur-short) var(--ease-out);
}
.nav__toggle-bar::before,
.nav__toggle-bar::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-ink);
  transition: transform var(--dur-short) var(--ease-out);
}
.nav__toggle-bar::before { top: -7px; }
.nav__toggle-bar::after  { top:  7px; }
.nav-toggle[aria-expanded="true"] .nav__toggle-bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav__toggle-bar::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav__toggle-bar::after  { top: 0; transform: rotate(-45deg); }
@media (max-width: 48rem) {
  .nav__links { 
    position: fixed; top: 0; right: 0; bottom: 0; 
    width: 80%; max-width: 320px;
    background: var(--color-paper-2);
    flex-direction: column; 
    padding: var(--space-3xl) var(--space-lg) var(--space-lg);
    border-left: var(--rule-hair) solid var(--color-rule);
    transform: translateX(100%);
    transition: transform var(--dur-long) var(--ease-out);
    z-index: 99;
  }
  .nav__links.is-open { transform: translateX(0); }
  .nav__link { font-size: var(--fs-sm); padding: var(--space-sm) 0; }
  .nav-toggle { 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    width: 40px; 
    height: 40px; 
    background: none; 
    border: var(--rule-hair) solid var(--color-rule); 
    color: var(--color-ink); 
    border-radius: 6px; 
    cursor: pointer; 
    /* Above the open drawer (z-index 99) so the animated × stays visible and clickable */
    z-index: 101;
  }
  .nav__lang { display: none; }
  .nav__cta { display: none; }
}

/* ==========================================================================
   HERO : H1 Marquee (fills fold, statement only)
   ========================================================================== */
.hero-marquee {
  position: relative; z-index: 10;
  min-height: 70dvh;
  display: grid;
  align-content: end;
  padding: 0 var(--page-gutter) var(--space-3xl);
  overflow: hidden;
}
.hero-marquee__bg {
  position: absolute; inset: 0; z-index: -1;
}
.hero-marquee__title {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 0.9;
  margin: 0;
  color: var(--color-ink);
}
.hero-marquee__title .accent { color: var(--color-accent); }
.hero-marquee__title .accent::after {
  content: "";
  display: inline-block;
  width: 0.6em; height: 2px;
  background: var(--color-accent);
  margin-left: 0.2em;
  vertical-align: middle;
}

/* Reveal animation for hero title */
.hero-marquee__title { animation: reveal-up var(--dur-long) var(--ease-out) forwards; opacity: 0; transform: translateY(1.5rem); }
@keyframes reveal-up { to { opacity: 1; transform: none; } }

/* ==========================================================================
   SECTION TYPES : Varied layouts
   ========================================================================== */

/* Base section */
.section { padding: var(--space-2xl) var(--page-gutter); }
.section + .section { border-top: var(--rule-hair) solid var(--color-rule); }

/* Section with background band */
.section-band {
  background: var(--color-paper-2);
  border-top: var(--rule-hair) solid var(--color-rule);
  border-bottom: var(--rule-hair) solid var(--color-rule);
}

/* ==========================================================================
   SECTION HEAD : S1 Left-margin numbered
   ========================================================================== */
.head-margin {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: var(--space-lg);
  align-items: baseline;
  margin-bottom: var(--space-xl);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 var(--page-gutter);
}
.head-margin__num {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  letter-spacing: 0.08em;
  color: var(--color-accent);
  text-align: right;
  line-height: 1.2;
}
.head-margin__title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin: 0;
  color: var(--color-ink);
}
.head-margin__lede {
  margin-top: var(--space-md);
  font-size: var(--fs-body);
  color: var(--color-ink-2);
  line-height: 1.7;
}
@media (max-width: 48rem) {
  .head-margin { grid-template-columns: 1fr; gap: var(--space-sm); text-align: left; }
  .head-margin__num { text-align: left; }
}

/* ==========================================================================
   BENTO GRID : F1 (asymmetric, mixed spans) : for Deliverables
   ========================================================================== */
.bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 12rem;
  gap: var(--space-md);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--page-gutter);
}
.bento__cell {
  position: relative;
  background: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: 8px;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color var(--dur-short) var(--ease-out), transform var(--dur-short) var(--ease-out), box-shadow var(--dur-short) var(--ease-out);
}
.bento__cell:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.3);
}
.bento__cell:focus-within { border-color: var(--color-focus); }

.bento__tag {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--color-accent);
  text-transform: uppercase;
}
.bento__title {
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 2.2vw, 1.5rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin: var(--space-xs) 0;
}
.bento__desc { font-size: var(--fs-sm); color: var(--color-muted); line-height: 1.6; margin: 0; }
.bento__stat { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3.5rem); font-weight: 700; color: var(--color-accent); line-height: 1; }

/* Span classes */
.span-2x2 { grid-column: span 2; grid-row: span 2; }
.span-2x1 { grid-column: span 2; }
.span-1x2 { grid-row: span 2; }

@media (max-width: 64rem) {
  .bento { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 10rem; }
  .span-2x2 { grid-column: span 2; grid-row: span 2; }
  .span-2x1 { grid-column: span 2; }
}
@media (max-width: 48rem) {
  .bento { grid-template-columns: 1fr; grid-auto-rows: auto; }
  .span-2x2, .span-2x1, .span-1x2 { grid-column: auto; grid-row: auto; }
}

/* ==========================================================================
   SPLIT LAYOUT : for Challenge/Strategy (diptych)
   ========================================================================== */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--page-gutter);
}
.split__card {
  background: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: 8px;
  padding: var(--space-xl);
}
.split__tag {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}
.split__title {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin: 0 0 var(--space-md);
  color: var(--color-ink);
}
.split__desc { font-size: var(--fs-body); color: var(--color-ink-2); line-height: 1.7; margin: 0; }

@media (max-width: 48rem) {
  .split { grid-template-columns: 1fr; gap: var(--space-lg); }
}

/* ==========================================================================
   SHOWCASE : Single large image + sidebar stats
   ========================================================================== */
.showcase {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-2xl);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--page-gutter);
}
.showcase__image {
  border-radius: 8px;
  overflow: hidden;
  border: var(--rule-hair) solid var(--color-rule);
  background: var(--color-paper-2);
}
.showcase__image img { width: 100%; height: auto; display: block; }
.showcase__sidebar { display: flex; flex-direction: column; gap: var(--space-xl); }
.showcase__stat {
  background: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: 8px;
  padding: var(--space-lg);
  text-align: center;
}
.showcase__stat-label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
}
.showcase__stat-value {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-xs);
}
.showcase__stat-desc { font-size: var(--fs-sm); color: var(--color-muted); margin: 0; }
.showcase__menu {
  background: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: 8px;
  padding: var(--space-lg);
}
.showcase__menu-title {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}
.showcase__menu-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--space-sm); }
.showcase__menu-list li { font-family: var(--font-mono); font-size: var(--fs-sm); color: var(--color-ink-2); }

@media (max-width: 48rem) {
  .showcase { grid-template-columns: 1fr; gap: var(--space-lg); }
  .showcase__sidebar { flex-direction: row; flex-wrap: wrap; }
  .showcase__stat { flex: 1 1 calc(50% - var(--space-md)/2); min-width: 140px; }
}

/* ==========================================================================
   IMPACT LEDGER : Ghost numbered rows
   ========================================================================== */
.impact { max-width: 1200px; margin: 0 auto; padding: 0 var(--page-gutter); }
.impact__row {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: var(--space-xl);
  padding: var(--space-lg) 0;
  border-top: var(--rule-hair) solid var(--color-rule);
}
.impact__row:last-child { border-bottom: var(--rule-hair) solid var(--color-rule); }
.impact__ghost {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--color-dim);
  opacity: 0.25;
  line-height: 1;
  text-align: right;
}
.impact__title {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin: 0 0 var(--space-sm);
}
.impact__desc { font-size: var(--fs-body); color: var(--color-ink-2); margin: 0; line-height: 1.7; }
@media (max-width: 48rem) {
  .impact__row { grid-template-columns: 1fr; gap: var(--space-sm); text-align: left; }
  .impact__ghost { text-align: left; font-size: clamp(2rem, 5vw, 3rem); opacity: 0.15; }
}

/* ==========================================================================
   FAQ : Conversational (details/summary)
   ========================================================================== */
.faq { max-width: 1200px; margin: 0 auto; padding: 0 var(--page-gutter); }
.faq__item {
  border-top: var(--rule-hair) solid var(--color-rule);
  padding: var(--space-lg) 0;
}
.faq__item:last-child { border-bottom: var(--rule-hair) solid var(--color-rule); }
.faq__q {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin: 0;
  cursor: pointer;
  list-style: none;
  padding-right: var(--space-xl);
  position: relative;
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q::after {
  content: "+";
  position: absolute; right: 0; top: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-h3);
  color: var(--color-accent);
  transition: transform var(--dur-short) var(--ease-out);
}
.faq__item[open] .faq__q::after { transform: rotate(45deg); }
.faq__a { margin-top: var(--space-md); color: var(--color-ink-2); line-height: 1.7; }

/* ==========================================================================
   CTA STRIP
   ========================================================================== */
.cta-strip {
  position: relative;
  background: var(--color-paper-2);
  border-top: var(--rule-hair) solid var(--color-rule);
  border-bottom: var(--rule-hair) solid var(--color-rule);
  padding: var(--space-3xl) var(--page-gutter);
  text-align: center;
}
.cta-strip__title {
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 var(--space-md);
}
.cta-strip__title em { font-style: normal; color: var(--color-accent); }
.cta-strip__lead { font-size: var(--fs-body); color: var(--color-ink-2); margin: 0 0 var(--space-xl); max-width: 40ch; margin-left: auto; margin-right: auto; }
.cta-strip__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-md); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  letter-spacing: 0.04em;
  font-weight: 600;
  padding: var(--space-sm) var(--space-xl);
  border-radius: 6px;
  border: var(--rule-hair) solid var(--color-rule);
  background: transparent;
  color: var(--color-ink);
  cursor: pointer;
  transition: all var(--dur-short) var(--ease-out);
}
.btn:hover, .btn:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.btn--primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-ink);
}
.btn--primary:hover, .btn--primary:focus-visible {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: var(--color-accent);
}
.btn--large { padding: var(--space-md) var(--space-2xl); font-size: var(--fs-body); }

/* ==========================================================================
   FOOTER : Ft1 Mast-headed
   ========================================================================== */
.foot-mast {
  background: var(--color-paper);
  border-top: var(--rule-hair) solid var(--color-rule);
  padding: var(--space-3xl) var(--page-gutter) var(--space-xl);
}
.foot-mast__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
}
.foot-mast__wordmark {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  margin: 0 0 var(--space-sm);
  color: var(--color-ink);
}
.foot-mast__tagline { font-size: var(--fs-body); color: var(--color-muted); margin: 0 0 var(--space-lg); line-height: 1.6; }
.foot-mast__links { display: flex; flex-wrap: wrap; gap: var(--space-md); font-size: var(--fs-sm); color: var(--color-dim); }
.foot-mast__links a { color: var(--color-dim); }
.foot-mast__links a:hover { color: var(--color-accent); }
.foot-mast__heading {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 var(--space-md);
}
.foot-mast__list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--space-sm); }
.foot-mast__list a { font-size: var(--fs-sm); color: var(--color-ink-2); transition: color var(--dur-short) var(--ease-out); }
.foot-mast__list a:hover { color: var(--color-accent); }
.foot-mast__legal {
  grid-column: 1 / -1;
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: var(--rule-hair) solid var(--color-rule);
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center;
  font-size: var(--fs-sm); color: var(--color-dim);
}
.foot-mast__social { display: flex; gap: var(--space-md); }
.foot-mast__social a { color: var(--color-dim); transition: color var(--dur-short) var(--ease-out); }
.foot-mast__social a:hover { color: var(--color-accent); }

@media (max-width: 64rem) {
  .foot-mast__inner { grid-template-columns: 1fr 1fr; }
  .foot-mast__brand { grid-column: 1 / -1; }
}
@media (max-width: 48rem) {
  .foot-mast__inner { grid-template-columns: 1fr; }
  .foot-mast__legal { flex-direction: column; gap: var(--space-md); text-align: center; }
}

/* ==========================================================================
   BREADCRUMB
   ========================================================================== */
.breadcrumb { max-width: 1200px; margin: 0 auto var(--space-xl); padding: 0 var(--page-gutter); font-size: var(--fs-sm); }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: var(--space-xs); list-style: none; padding: 0; margin: 0; font-family: var(--font-mono); }
.breadcrumb a { color: var(--color-muted); }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb li::after { content: "/"; margin-left: var(--space-xs); color: var(--color-dim); }
.breadcrumb li:last-child::after { display: none; }

/* ==========================================================================
   UTILITIES
   ========================================================================== */
.muted { color: var(--color-muted); }
.accent { color: var(--color-accent); }
.text-center { text-align: center; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ==========================================================================
   ANIMATIONS & EFFECTS
   ========================================================================== */

/* Scroll Progress Bar */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-soft));
  transform-origin: left;
  transform: scaleX(0);
  z-index: 10000;
  transition: transform 0.1s linear;
}
@media (prefers-reduced-motion: reduce) {
  .scroll-progress { transition: none; }
}

/* Floating Orbs */
.floating-orb {
  will-change: transform, opacity;
  animation-play-state: paused;
}
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.2; }
  25% { transform: translate(30px, -20px) scale(1.1); opacity: 0.4; }
  50% { transform: translate(-20px, 30px) scale(0.9); opacity: 0.3; }
  75% { transform: translate(-30px, -30px) scale(1.05); opacity: 0.35; }
}

/* Word Reveal Animation */
.word-reveal {
  display: inline-block;
  opacity: 0;
  transform: translateY(1.2em);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.word-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Section In-View State */
.case-section {
  transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}
.case-section.section-in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Image Fade-In */
img {
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}
img.image-loaded {
  opacity: 1;
  transform: translateY(0);
}

/* Card Hover Enhancements */
.case-snapshot-item,
.case-block,
.case-goals__col,
.case-subsection,
.case-stat,
.case-quote,
.bento__cell,
.split__card,
.showcase__stat {
  will-change: transform, box-shadow, border-color;
}

/* Stats Counter */
.case-stat-value,
.showcase__stat-value,
.bento__stat {
  transition: color 0.3s ease-out;
}

/* Button Magnetic Base */
.btn {
  will-change: transform;
}

/* Stats Value Animation */
.case-stat-value.is-counting,
.showcase__stat-value.is-counting,
.bento__stat.is-counting {
  color: var(--color-accent);
}

/* Section In-View */
.case-section {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.case-section.section-in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Floating Orb Animation State */
.floating-orb {
  animation-play-state: paused;
}
.case-section.section-in-view .floating-orb {
  animation-play-state: running;
}

/* Image Loaded State */
img {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
img.image-loaded {
  opacity: 1;
  transform: translateY(0);
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .floating-orb,
  .scroll-progress,
  .word-reveal,
  .case-section,
  img {
    animation: none !important;
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
  }
  .scroll-progress { transition: none; }
}

/* Reveal Base State */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger Children */
[data-stagger-child] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-stagger-child].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Floating Orb Keyframes */
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.2; }
  25% { transform: translate(30px, -20px) scale(1.1); opacity: 0.4; }
  50% { transform: translate(-20px, 30px) scale(0.9); opacity: 0.3; }
  75% { transform: translate(-30px, -30px) scale(1.05); opacity: 0.35; }
}

/* Bento Cell Hover */
.bento__cell {
  will-change: transform, box-shadow, border-color;
  transition: border-color var(--dur-short) var(--ease-out),
              transform var(--dur-short) var(--ease-out),
              box-shadow var(--dur-short) var(--ease-out);
}

/* Button Base */
.btn {
  will-change: transform;
  transition: all var(--dur-short) var(--ease-out);
}

/* Stats Counter */
.case-stat-value,
.showcase__stat-value,
.bento__stat {
  will-change: color;
}

/* Hero Media Parallax */
.case-hero-media,
.case-hero-image {
  will-change: transform;
  transition: transform 0.1s linear;
}

/* Floating Orb */
.floating-orb {
  will-change: transform, opacity;
}

/* ==========================================================================
   CASE STUDY LAYOUT : Section styles
   ========================================================================== */
.case-body {
  background: var(--color-paper);
  color: var(--color-ink);
}

.case-section {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}
.case-section + .case-section {
  border-top: var(--rule-hair) solid var(--color-rule);
}

.case-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--page-gutter);
}

.case-section-header {
  margin-bottom: var(--space-2xl);
  text-align: left;
}
.case-section-title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin: 0;
  color: var(--color-ink);
}

/* ==========================================================================
   HERO : Two-column grid
   ========================================================================== */
.case-hero {
  min-height: 62dvh;
  display: grid;
  align-content: center;
  padding-top: clamp(6.5rem, 10vw, 8rem);
}
.case-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
}
.case-hero-text {
  max-width: 50ch;
}
.case-title {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 0.9;
  margin: 0 0 var(--space-lg);
  color: var(--color-ink);
}
.case-subtitle {
  font-size: var(--fs-body);
  color: var(--color-ink-2);
  line-height: 1.7;
  margin: 0 0 var(--space-xl);
  max-width: 45ch;
}
.case-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}
.case-hero-media {
  border-radius: 8px;
  overflow: hidden;
  border: var(--rule-hair) solid var(--color-rule);
  background: var(--color-paper-2);
}
.case-hero-image {
  width: 100%;
  height: auto;
  display: block;
}

/* ==========================================================================
   SNAPSHOT : Definition list grid
   ========================================================================== */
.case-snapshot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-lg);
}
.case-snapshot-item {
  background: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: 8px;
  padding: var(--space-lg);
  transition: border-color var(--dur-short) var(--ease-out);
}
.case-snapshot-item:hover {
  border-color: var(--color-accent);
}
.case-snapshot-item h3 {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin: 0 0 var(--space-sm);
}
.case-snapshot-item p {
  font-size: var(--fs-sm);
  color: var(--color-ink-2);
  line-height: 1.6;
  margin: 0;
}

/* ==========================================================================
   TWO-COLUMN LAYOUT : For challenge, goals
   ========================================================================== */
.case-two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.25rem, 3vw, 2.5rem);
}
.case-block {
  background: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: 8px;
  padding: var(--space-xl);
}
.case-block h2 {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin: 0 0 var(--space-md);
  color: var(--color-ink);
}
.case-block p {
  font-size: var(--fs-body);
  color: var(--color-ink-2);
  line-height: 1.7;
  margin: 0 0 var(--space-md);
}
.case-block p:last-child { margin-bottom: 0; }
.case-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.case-list li {
  font-size: var(--fs-body);
  color: var(--color-ink-2);
  line-height: 1.7;
  padding-left: var(--space-lg);
  position: relative;
}
.case-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

/* ==========================================================================
   GOALS : Two columns with titled lists
   ========================================================================== */
.case-goals__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
}
.case-goals__col {
  background: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: 8px;
  padding: var(--space-xl);
}
.case-goals__col-title {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin: 0 0 var(--space-md);
  color: var(--color-ink);
}
.case-goals__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.case-goals__list li {
  font-size: var(--fs-body);
  color: var(--color-ink-2);
  line-height: 1.7;
  padding-left: var(--space-lg);
  position: relative;
}
.case-goals__list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

/* ==========================================================================
   APPROACH : Subsection grid
   ========================================================================== */
.case-approach__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}
.case-subsection {
  margin-bottom: var(--space-2xl);
}
.case-subsection h3 {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin: 0 0 var(--space-lg);
  color: var(--color-ink);
}
.case-subsection-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  align-items: start;
}
.case-subsection-text p {
  font-size: var(--fs-body);
  color: var(--color-ink-2);
  line-height: 1.7;
  margin: 0 0 var(--space-md);
}
.case-subsection-text p:last-child { margin-bottom: 0; }
.case-subsection-text code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  padding: 0.15em 0.4em;
  border-radius: 4px;
}
.case-subsection-media {
  border-radius: 8px;
  overflow: hidden;
  border: var(--rule-hair) solid var(--color-rule);
  background: var(--color-paper-2);
}
.case-image {
  width: 100%;
  height: auto;
  display: block;
}

/* ==========================================================================
   RESULTS : Stats grid + text
   ========================================================================== */
.case-results__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}
.case-stat {
  text-align: center;
  padding: var(--space-xl);
  background: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: 8px;
  transition: border-color var(--dur-short) var(--ease-out);
}
.case-stat:hover {
  border-color: var(--color-accent);
}
.case-stat-value {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  display: block;
  margin-bottom: var(--space-sm);
}
.case-stat-label {
  font-size: var(--fs-sm);
  color: var(--color-muted);
  line-height: 1.5;
}
.case-results-text {
  max-width: 70ch;
  margin: 0 auto;
  text-align: center;
}
.case-results-text p {
  font-size: var(--fs-body);
  color: var(--color-ink-2);
  line-height: 1.7;
  margin: 0 0 var(--space-md);
}
.case-results-text p:last-child { margin-bottom: 0; }

/* ==========================================================================
   TESTIMONIAL : Quote block
   ========================================================================== */
.case-quote {
  max-width: 60ch;
  margin: 0 auto;
  text-align: center;
  padding: var(--space-2xl);
  background: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: 8px;
}
.case-quote blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 500;
  line-height: 1.4;
  margin: 0 0 var(--space-lg);
  color: var(--color-ink);
  font-style: normal;
}
.case-quote figcaption {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--color-muted);
  line-height: 1.6;
}

/* ==========================================================================
   CTA : Centered actions
   ========================================================================== */
.case-cta {
  background: var(--color-paper-2);
  border-top: var(--rule-hair) solid var(--color-rule);
  border-bottom: var(--rule-hair) solid var(--color-rule);
  padding: var(--space-3xl) 0;
}
.case-cta-content {
  max-width: 60ch;
  margin: 0 auto;
  text-align: center;
}
.case-cta-text h2 {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin: 0 0 var(--space-md);
  color: var(--color-ink);
}
.case-cta-text p {
  font-size: var(--fs-body);
  color: var(--color-ink-2);
  line-height: 1.7;
  margin: 0 0 var(--space-md);
}
.case-cta-text p:last-child { margin-bottom: var(--space-xl); }
.case-cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  letter-spacing: 0.04em;
  font-weight: 600;
  padding: var(--space-sm) var(--space-xl);
  border-radius: 6px;
  border: var(--rule-hair) solid var(--color-rule);
  background: transparent;
  color: var(--color-ink);
  cursor: pointer;
  transition: all var(--dur-short) var(--ease-out);
}
.btn:hover, .btn:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.btn--primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-ink);
}
.btn--primary:hover, .btn--primary:focus-visible {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: var(--color-accent);
}
.btn--secondary {
  border-color: var(--color-rule);
  color: var(--color-ink);
}
.btn--secondary:hover, .btn--secondary:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-soft);
}
.btn--large { padding: var(--space-md) var(--space-2xl); font-size: var(--fs-body); }

/* ==========================================================================
   ACETERNITY PORT : CANVAS TEXT (animated title mask)
   The JS only hides the real text (.canvas-text-active) after the first
   canvas frame renders; without JS or reduced-motion the title stays plain.
   ========================================================================== */
.canvas-text-host { position: relative; }
.canvas-text__cv {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.canvas-text-host.canvas-text-active {
  color: transparent;
  -webkit-text-fill-color: transparent;
}
@media (prefers-reduced-motion: reduce) {
  .canvas-text__cv { display: none; }
}

/* ==========================================================================
   ACETERNITY PORT : STICKY SCROLL REVEAL (Approche & processus)
   Mobile / no-JS default: static stacked list. Desktop + JS: the scroll
   container becomes n×100vh and the inner stage sticks while items crossfade.
   ========================================================================== */
.case-sticky-scroll { position: relative; }
.case-sticky-scroll__inner {
  display: grid;
  gap: var(--space-xl);
}
.case-sticky-item h3 {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin: 0 0 var(--space-lg);
  color: var(--color-ink);
}

@media (min-width: 768px) and (prefers-reduced-motion: no-preference) {
  html.js .case-sticky-scroll[data-sticky-scroll] { height: 100vh; }
  html.js .case-sticky-scroll[data-sticky-scroll] .case-sticky-scroll__inner {
    position: sticky;
    top: 0;
    height: 100vh;
    align-content: center;
    overflow: hidden;
    padding-left: 3.5rem;
  }
  html.js .case-sticky-scroll[data-sticky-scroll] .case-sticky-item {
    grid-area: 1 / 1;
    opacity: 0;
    visibility: hidden;
    transform: translateY(1.25rem);
    transition:
      opacity 600ms var(--ease-out),
      transform 600ms var(--ease-out),
      visibility 600ms var(--ease-out);
  }
  html.js .case-sticky-scroll[data-sticky-scroll] .case-sticky-item.is-active {
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  html.js .case-sticky-scroll[data-sticky-scroll] .case-sticky-scroll__rail {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    z-index: 2;
  }
  html.js .case-sticky-scroll[data-sticky-scroll] .case-sticky-scroll__rail-num {
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    letter-spacing: 0.12em;
    color: var(--color-dim);
    transition: color var(--dur-short) var(--ease-out);
  }
  html.js .case-sticky-scroll[data-sticky-scroll] .case-sticky-scroll__rail-num.is-active {
    color: var(--color-accent);
  }
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1024px) {
  .case-hero-grid { grid-template-columns: 1fr; text-align: center; }
  .case-hero-text { max-width: none; }
  .case-hero-actions { justify-content: center; }
  .case-two-column { grid-template-columns: 1fr; }
  .case-goals__grid { grid-template-columns: 1fr; }
  .case-approach__grid { grid-template-columns: 1fr; }
  .case-subsection-grid { grid-template-columns: 1fr; }
  .case-results__stats { grid-template-columns: 1fr; }
  .case-results__stats .case-stat { max-width: 300px; margin: 0 auto; }
}
@media (max-width: 768px) {
  .case-section { padding: var(--space-2xl) 0; }
  .case-snapshot-grid { grid-template-columns: 1fr; }
}
@media (max-width: 48rem) {
  .case-hero { min-height: auto; padding: var(--space-3xl) 0; }
  .case-title { font-size: clamp(2.5rem, 8vw, 4rem); }
  .case-subtitle { font-size: var(--fs-sm); }
  .case-results__stats { grid-template-columns: 1fr; }
  .case-cta-actions { flex-direction: column; align-items: center; }
}

/* ==========================================================================
   REFONTE : Hero spec, challenge grid, pullquote, rule rows, goals cols,
   results band, subsection num, chip CTA, sticky rail
   ========================================================================== */

/* Hero spec : 4-col definition bar under the hero grid */
.case-hero-spec {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--rule-hair);
  margin: var(--space-xl) auto 0;
  max-width: 1200px;
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: 10px;
  overflow: hidden;
  background: var(--color-rule);
}
.case-hero-spec__item {
  background: var(--color-paper);
  padding: var(--space-md) var(--space-lg);
}
.case-hero-spec__item dt {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 var(--space-xs);
}
.case-hero-spec__item dd {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.25;
  color: var(--color-ink);
  margin: 0;
}

/* Challenge : asymmetric copy + pullquote, then rule rows */
.case-challenge__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}
.case-challenge__copy {
  max-width: 60ch;
}
.case-challenge__copy h4 {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 var(--space-sm);
}
.case-challenge__copy h2 {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin: 0 0 var(--space-md);
  color: var(--color-ink);
}
.case-challenge__copy p {
  font-size: var(--fs-body);
  color: var(--color-ink-2);
  line-height: 1.7;
  margin: 0 0 var(--space-md);
}
.case-challenge__copy p:last-child { margin-bottom: 0; }

.case-pullquote {
  margin: 0;
  padding: var(--space-lg);
  background: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-rule);
  border-left: var(--rule-thick) solid var(--color-accent);
  border-radius: 8px;
}
.case-pullquote blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.2vw, 1.625rem);
  font-weight: 500;
  line-height: 1.4;
  margin: 0 0 var(--space-md);
  color: var(--color-ink);
}
.case-pullquote figcaption {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.case-rule-rows {
  list-style: none;
  margin: var(--space-2xl) 0 0;
  padding: 0;
  border-top: var(--rule-hair) solid var(--color-rule);
}
.case-rule-row {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: var(--space-lg);
  align-items: baseline;
  padding: var(--space-lg) 0;
  border-bottom: var(--rule-hair) solid var(--color-rule);
  position: relative;
  overflow: hidden;
}
.case-rule-row::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: var(--rule-thick);
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur-long) var(--ease-out);
}
.case-rule-row:hover::after { transform: scaleX(1); }
.case-rule-row__num {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1;
  color: var(--color-dim);
  opacity: 0.5;
}
.case-rule-row__title {
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin: 0;
  color: var(--color-ink);
}

/* Goals : two columns of numbered rows */
.case-goals__cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
}
.case-goals__col-title {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
}
.case-goal-row {
  display: grid;
  grid-template-columns: 3.25rem 1fr;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-top: var(--rule-hair) solid var(--color-rule);
}
.case-goal-row:last-child { border-bottom: var(--rule-hair) solid var(--color-rule); }
.case-goal-row__num {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-accent);
  opacity: 0.35;
}
.case-goal-row__title {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin: 0 0 var(--space-2xs);
  color: var(--color-ink);
}
.case-goal-row__metric {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.04em;
  color: var(--color-muted);
  margin: 0;
}

/* Results : full-width band of stats */
.case-results__band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--rule-hair);
  background: var(--color-rule);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: var(--space-2xl);
}
.case-results__stat {
  background: var(--color-paper);
  padding: var(--space-xl) var(--space-lg);
  border-left: var(--rule-thick) solid transparent;
  transition: border-color var(--dur-short) var(--ease-out);
}
.case-results__stat:hover { border-left-color: var(--color-accent); }
.case-results__stat.is-accent { border-left-color: var(--color-accent); }
.case-results__value {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--color-ink);
  margin-bottom: var(--space-sm);
}
.case-results__label {
  font-size: var(--fs-sm);
  color: var(--color-muted);
  line-height: 1.5;
  margin: 0;
}

/* Approach : numbered subsections */
.case-subsection__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

/* CTA : chip accent (canvas-text host turned pill) */
.case-cta-accent {
  font-style: italic;
  color: var(--color-accent);
}
.canvas-text-host.case-cta-accent-host {
  display: inline-block;
  vertical-align: baseline;
  padding: 0.35em 0.85em 0.5em;
  margin: 0 0 0 0.1em;
  border: var(--rule-thick) solid var(--color-accent);
  border-radius: 1.25em;
  overflow: hidden;
  background: var(--color-accent-soft);
}
.canvas-text-host.case-cta-accent-host .canvas-text__cv {
  z-index: 1;
}
.canvas-text-host.case-cta-accent-host .case-cta-accent {
  position: relative;
  z-index: 1;
}

/* RESPONSIVE : refonte components */
@media (max-width: 1024px) {
  .case-hero-spec { grid-template-columns: 1fr 1fr; }
  .case-challenge__grid { grid-template-columns: 1fr; }
  .case-goals__cols { grid-template-columns: 1fr; }
}
@media (max-width: 48rem) {
  .case-hero-spec { grid-template-columns: 1fr; }
  .case-rule-row { grid-template-columns: 3.5rem 1fr; gap: var(--space-md); }
  .case-results__band { grid-template-columns: 1fr; }
}