.case-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(248,246,239,.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.case-nav .shell {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.case-nav > .shell > a:last-child {
  font-weight: 700;
  font-size: 14px;
}

.case-page {
  background: var(--paper);
  color: var(--ink);
}
.case-hero {
  padding: 88px 0 42px;
}
.case-hero__grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 70px;
  align-items: end;
}
.case-hero h1 {
  max-width: 900px;
  margin: 0;
  font: 400 clamp(58px, 7vw, 96px)/.92 "Instrument Serif", Georgia, serif;
  letter-spacing: -.045em;
}
.case-hero__intro {
  margin: 24px 0 0;
  max-width: 700px;
  color: var(--ink-3);
  font-size: 18px;
  line-height: 1.65;
}
.case-hero__actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.case-hero__result {
  align-self: stretch;
  min-height: 330px;
  padding: 34px;
  display: flex;
  flex-direction: column;
  justify-content: end;
  background: var(--ink);
  color: #fff;
}
.case-hero__result span {
  font-family: "Manrope", system-ui, sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--accent-bright);
}
.case-hero__result strong {
  display: block;
  margin-top: 18px;
  font: 400 clamp(50px, 6vw, 82px)/.9 "Instrument Serif", Georgia, serif;
  letter-spacing: -.04em;
}
.case-hero__result p {
  max-width: 420px;
  margin: 18px 0 0;
  color: rgba(255,255,255,.67);
  line-height: 1.6;
}

.case-creative {
  padding: 24px 0 52px;
  overflow: hidden;
}
.case-creative__grid {
  display: grid;
  grid-template-columns: 1.08fr .92fr .92fr;
  gap: 14px;
  min-height: 520px;
}
.case-creative__item {
  position: relative;
  overflow: hidden;
  min-height: 420px;
  background: #e8eeeb;
  border: 1px solid var(--line);
}
.case-creative__item:first-child { min-height: 520px; }
.case-creative__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transform: scale(1.01);
}
.case-creative__item--detail img {
  transform: scale(1.38);
  object-position: center 28%;
}
.case-creative__item--detail2 img {
  transform: scale(1.52);
  object-position: center 70%;
}
.case-creative__label {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 7px 9px;
  background: rgba(8,40,32,.92);
  color: #fff;
  font-family: "Manrope", system-ui, sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.case-meta {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.case-meta__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.case-meta__item {
  padding: 24px 0;
}
.case-meta__item + .case-meta__item {
  padding-left: 28px;
  border-left: 1px solid var(--line);
}
.case-meta__item span {
  display: block;
  margin-bottom: 7px;
  font-family: "Manrope", system-ui, sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent-dark);
}
.case-meta__item strong {
  font-size: 16px;
}

.case-story {
  padding: 92px 0 110px;
}
.case-story__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 76px;
  align-items: start;
}
.case-story__main {
  display: grid;
  gap: 70px;
}
.case-block h2 {
  max-width: 760px;
  margin: 0 0 20px;
  font: 400 clamp(42px, 5vw, 62px)/.98 "Instrument Serif", Georgia, serif;
  letter-spacing: -.035em;
}
.case-block p {
  max-width: 780px;
  color: var(--ink-3);
  font-size: 16px;
  line-height: 1.75;
}
.case-block ul {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 13px;
}
.case-block li {
  position: relative;
  padding-left: 24px;
  color: var(--ink-2);
  line-height: 1.55;
}
.case-block li::before {
  content: "↗";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent-dark);
  font-weight: 800;
}
.case-steps {
  margin-top: 28px;
  border-top: 1px solid var(--line);
}
.case-step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.case-step b {
  color: var(--accent-dark);
  font-family: "Manrope", system-ui, sans-serif;
  font-size: 15px;
}
.case-step h3 {
  margin: 0 0 7px;
  font-size: 18px;
}
.case-step p {
  margin: 0;
  font-size: 14px;
}

.case-results {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.case-result {
  min-height: 160px;
  padding: 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.case-result strong {
  display: block;
  margin-bottom: 10px;
  font: 400 clamp(34px, 4vw, 48px)/.95 "Instrument Serif", Georgia, serif;
}
.case-result span {
  color: var(--ink-3);
  font-size: 13px;
  line-height: 1.5;
}

.case-quote {
  padding: 34px;
  background: var(--ink);
  color: #fff;
}
.case-quote blockquote {
  margin: 0;
  font: 400 clamp(30px, 4vw, 44px)/1.03 "Instrument Serif", Georgia, serif;
}
.case-quote footer {
  margin-top: 24px;
  display: grid;
  gap: 4px;
}
.case-quote footer strong { font-size: 14px; }
.case-quote footer span { color: rgba(255,255,255,.62); font-size: 13px; }

.case-sidebar {
  position: sticky;
  top: 112px;
  display: grid;
  gap: 16px;
}
.case-sidebar__card {
  padding: 26px;
  border: 1px solid var(--line);
  background: #fff;
}
.case-sidebar__card h3 {
  margin: 0 0 12px;
  font: 400 34px/1 "Instrument Serif", Georgia, serif;
}
.case-sidebar__card p {
  margin: 0 0 20px;
  color: var(--ink-3);
  font-size: 14px;
  line-height: 1.65;
}
.case-sidebar__small {
  padding: 20px 22px;
  background: var(--accent-wash);
  border: 1px solid rgba(10,150,136,.18);
}
.case-sidebar__small span {
  display: block;
  font-family: "Manrope", system-ui, sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent-dark);
}
.case-sidebar__small strong {
  display: block;
  margin-top: 6px;
  font-size: 14px;
}

.case-cta {
  padding: 88px 0;
  background: var(--ink);
  color: #fff;
}
.case-cta .shell {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 36px;
  align-items: center;
}
.case-cta h2 {
  max-width: 760px;
  margin: 0;
  font: 400 clamp(48px, 6vw, 72px)/.95 "Instrument Serif", Georgia, serif;
}
.case-next {
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}
.case-next .shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.case-next p {
  margin: 0;
  font-family: "Manrope", system-ui, sans-serif;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.case-next a {
  font: 400 30px/1 "Instrument Serif", Georgia, serif;
}

@media (max-width: 980px) {
  .case-hero__grid,
  .case-story__grid {
    grid-template-columns: 1fr;
  }
  .case-hero__result { min-height: 260px; }
  .case-story__grid { gap: 48px; }
  .case-sidebar { position: static; grid-template-columns: 1fr 1fr; }
  .case-creative__grid { min-height: 420px; }
  .case-creative__item, .case-creative__item:first-child { min-height: 420px; }
}

@media (max-width: 720px) {
  .case-nav .shell { min-height: 68px; }
  .case-nav .brand span { font-size: 20px; }
  .case-nav > .shell > a:last-child { font-size: 12px; }
  .case-hero { padding: 62px 0 30px; }
  .case-hero__grid { gap: 34px; }
  .case-creative { padding-bottom: 36px; }
  .case-creative__grid {
    grid-template-columns: 1fr 1fr;
    min-height: 0;
  }
  .case-creative__item:first-child {
    grid-column: 1 / -1;
  }
  .case-creative__item, .case-creative__item:first-child { min-height: 310px; }
  .case-meta__grid { grid-template-columns: 1fr; }
  .case-meta__item { padding: 17px 0; }
  .case-meta__item + .case-meta__item { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .case-story { padding: 68px 0 78px; }
  .case-story__main { gap: 54px; }
  .case-results { grid-template-columns: 1fr; }
  .case-sidebar { grid-template-columns: 1fr; }
  .case-quote { padding: 26px; }
  .case-cta .shell { grid-template-columns: 1fr; }
  .case-cta .button { width: 100%; }
  .case-next .shell { align-items: flex-start; flex-direction: column; }
}

/* =========================================================
   CASE STUDY CREATIVE SLOTS
   These are intentionally separate from homepage portfolio images.
   Replace files inside assets/case-study-creatives/ to update them.
   ========================================================= */
.case-creative__grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  min-height: 0;
}
.case-creative__item,
.case-creative__item:first-child {
  min-height: 0;
  aspect-ratio: 4 / 3;
  border-radius: 2px;
}
.case-creative__item img,
.case-creative__item--detail img,
.case-creative__item--detail2 img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: none;
}
.case-creative__label,
.case-hero__result span,
.case-meta__item span,
.case-step b,
.case-sidebar__small span,
.case-next p {
  font-family: "Manrope", system-ui, sans-serif;
}
.case-creative__label,
.case-meta__item span,
.case-sidebar__small span,
.case-next p {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .055em;
}
.case-hero__result span {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .065em;
}
.case-step b { font-size: 14px; font-weight: 700; }

@media (max-width: 760px) {
  .case-creative__grid { grid-template-columns: 1fr; }
  .case-creative__item,
  .case-creative__item:first-child { aspect-ratio: 16 / 10; }
}

/* v5 polish: stronger result panel with a faint creative overlay. */
.case-hero__result {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.08);
}
.case-hero__result::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(180deg, rgba(6,29,24,.18), rgba(6,29,24,.48)), var(--result-image);
  background-position: center top;
  background-size: cover;
  opacity: .18;
  transform: scale(1.04);
}
.case-hero__result::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,48,41,.28) 0%, rgba(11,48,41,.52) 35%, rgba(11,48,41,.94) 100%);
}
.case-hero__result > * {
  position: relative;
  z-index: 1;
}
.case-hero__result span {
  color: #5df0e0;
}

/* =========================================================
   V7 CASE STUDY PAGE REFINEMENT
   ========================================================= */
.case-hero__result {
  min-height: 350px;
  border-radius: 28px;
  border: 1px solid rgba(255,255,255,.08);
}
.case-hero__result::before {
  background-image: linear-gradient(180deg, rgba(6,29,24,.08), rgba(6,29,24,.26)), var(--result-image);
  background-position: center top;
  background-size: cover;
  opacity: .42;
  transform: scale(1.02);
}
.case-hero__result::after {
  background: linear-gradient(180deg, rgba(11,48,41,.10) 0%, rgba(11,48,41,.22) 22%, rgba(11,48,41,.58) 62%, rgba(11,48,41,.90) 100%);
}

.case-creative {
  padding: 34px 0 66px;
}
.case-creative__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, .85fr);
  grid-template-rows: repeat(2, minmax(250px, 1fr));
  gap: 24px;
  align-items: start;
}
.case-creative__item,
.case-creative__item:first-child {
  position: relative;
  min-height: 0;
  aspect-ratio: auto;
  border: 0;
  border-radius: 28px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 24px 54px rgba(11,48,41,.12);
}
.case-creative__item::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(11,48,41,.08);
  border-radius: 28px;
  pointer-events: none;
  z-index: 2;
}
.case-creative__item img,
.case-creative__item--detail img,
.case-creative__item--detail2 img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}
.case-creative__item:first-child {
  grid-row: 1 / span 2;
  min-height: 560px;
}
.case-creative__item:nth-child(2) {
  transform: rotate(-1.35deg) translateY(10px);
}
.case-creative__item:nth-child(3) {
  transform: rotate(1.35deg) translateY(-8px);
}
.case-creative__label {
  left: 16px;
  bottom: 16px;
  padding: 9px 12px;
  border-radius: 999px;
  background: rgba(8,40,32,.92);
  box-shadow: 0 14px 30px rgba(0,0,0,.18);
}

@media (max-width: 980px) {
  .case-hero__result { min-height: 300px; }
  .case-creative__grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
  }
  .case-creative__item:first-child {
    grid-column: 1 / -1;
    grid-row: auto;
    min-height: 420px;
  }
}

@media (max-width: 760px) {
  .case-creative__grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    gap: 18px;
  }
  .case-creative__item,
  .case-creative__item:first-child {
    min-height: 280px;
    transform: none !important;
  }
  .case-creative__item:first-child { min-height: 360px; }
}

/* =========================================================
   V12 CASE STUDY REWORK
   Compact scrolling creative, stronger result card, prev/next nav
   ========================================================= */

.case-hero__result {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 26px;
  background: var(--ink);
}
.case-hero__result::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--result-image);
  background-size: cover;
  background-position: center top;
  opacity: .68;
  transform: scale(1.015);
}
.case-hero__result::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5,29,24,.08) 0%, rgba(5,29,24,.14) 38%, rgba(5,29,24,.78) 100%);
}
.case-hero__result-copy {
  position: relative;
  z-index: 2;
  width: min(100%, 470px);
  padding: 20px 22px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 18px;
  background: rgba(7, 37, 31, .64);
  backdrop-filter: blur(8px);
  box-shadow: 0 16px 40px rgba(0,0,0,.16);
}
.case-hero__result-copy span { color: #5df0e0; }
.case-hero__result-copy strong { color: #fff; }
.case-hero__result-copy p { color: rgba(255,255,255,.82); }

/* Replace the tall 3-card stack with a compact, moving creative strip. */
.case-email-showcase {
  padding: 22px 0 56px;
  overflow: hidden;
}
.case-email-showcase__head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 16px;
}
.case-email-showcase__head h2 {
  margin: 0;
  font: 400 clamp(34px, 4vw, 52px)/.96 "Instrument Serif", Georgia, serif;
  letter-spacing: -.04em;
}
.case-email-marquee {
  width: 100%;
  overflow: hidden;
  padding-left: max(18px, calc((100vw - 1180px) / 2));
}
.case-email-track {
  display: flex;
  width: max-content;
  will-change: transform;
  animation: loop-x 34s linear infinite;
}
.case-email-group {
  flex: 0 0 auto;
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding-right: 18px;
}
.case-email-card {
  position: relative;
  flex: 0 0 clamp(250px, 25vw, 340px);
  height: 430px;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 16px 38px rgba(11,48,41,.09);
}
.case-email-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}
.case-email-card::after {
  content: "";
  position: absolute;
  inset: 60% 0 0;
  background: linear-gradient(180deg, transparent, rgba(6,30,25,.78));
  pointer-events: none;
}
.case-email-card figcaption {
  position: absolute;
  z-index: 2;
  left: 16px;
  right: 16px;
  bottom: 14px;
  color: #fff;
  font: 700 13px/1.2 "Manrope", sans-serif;
}
.case-email-marquee:hover .case-email-track { animation-play-state: paused; }

.case-pagination {
  padding: 10px 0 74px;
}
.case-pagination__inner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.case-pagination__button {
  min-height: 118px;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 16px;
  align-items: center;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--paper);
  color: var(--ink);
  transition: transform .2s ease, border-color .2s ease, background-color .2s ease;
}
.case-pagination__button:hover {
  transform: translateY(-2px);
  border-color: rgba(10,150,136,.4);
  background: #fff;
}
.case-pagination__button > span {
  grid-row: 1 / span 2;
  font-size: 24px;
}
.case-pagination__button small {
  color: var(--ink-3);
  font: 700 10px/1 "Manrope", sans-serif;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.case-pagination__button strong {
  font: 400 30px/1 "Instrument Serif", Georgia, serif;
}
.case-pagination__button--next {
  grid-template-columns: 1fr auto;
  text-align: right;
}
.case-pagination__button--next > span { grid-column: 2; }
.case-pagination__button--next small,
.case-pagination__button--next strong { grid-column: 1; }

@media (max-width: 760px) {
  .case-hero__result { min-height: 300px; }
  .case-email-marquee {
    overflow-x: auto;
    padding: 0 14px 10px;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }
  .case-email-marquee::-webkit-scrollbar { display: none; }
  .case-email-track { animation: none; }
  .case-email-group { gap: 12px; }
  .case-email-card {
    flex-basis: min(78vw, 310px);
    height: 390px;
    scroll-snap-align: start;
  }
  .case-pagination__inner { grid-template-columns: 1fr; }
  .case-pagination__button { min-height: 96px; }
}


/* V13: minimal, mobile-first creative strip heading. */
.case-email-showcase__head { display: block; margin-bottom: 14px; }
.case-email-showcase__head .eyebrow { margin: 0; }
@media (max-width:760px) { .case-email-showcase__head { padding-inline: 14px; margin-bottom: 10px; } }