html[data-project="smart-water"] {
  --sw-opening-blue: #3679e8;
  --sw-opening-cyan: #17aa9d;
  --sw-opening-orange: #ed8c27;
  --sw-opening-violet: #7a61e8;
  --sw-opening-ink: #11396c;
  --sw-opening-muted: #5f7595;
}

html[data-project="smart-water"] body {
  background: #fff;
}

html[data-project="smart-water"] .case-hero {
  min-height: clamp(520px, 61vw, 690px);
  padding: clamp(86px, 10vw, 124px) max(7vw, calc((100vw - 1180px) / 2)) clamp(72px, 8vw, 108px);
  grid-template-columns: minmax(0, 1.35fr) minmax(220px, .65fr);
  align-items: center;
  overflow: hidden;
  background: transparent;
}

html[data-project="smart-water"] .case-wash,
html[data-project="smart-water"] .case-hero__visual {
  display: none;
}

html[data-project="smart-water"] .case-hero__copy {
  max-width: 710px;
  align-self: center;
}

html[data-project="smart-water"] .case-kicker {
  margin-bottom: 42px;
  color: #173b70;
  font-weight: 600;
}

html[data-project="smart-water"] .case-kicker span {
  width: auto;
  height: auto;
  margin-right: 12px;
  border: 0;
  border-radius: 0;
  font-size: 16px;
}

html[data-project="smart-water"] .case-hero h1 {
  max-width: 720px;
  font-size: clamp(54px, 6.2vw, 86px);
  line-height: 1.08;
  letter-spacing: -.045em;
}

html[data-project="smart-water"] .case-hero h1 span,
html[data-project="smart-water"] .case-hero h1 em {
  font-style: normal;
}

html[data-project="smart-water"] .case-hero h1 em {
  color: #4c6fe8;
}

html[data-project="smart-water"] .case-summary {
  max-width: 650px;
  margin-top: 25px;
  color: #334e74;
  font-size: 17px;
  line-height: 1.8;
}

html[data-project="smart-water"] .case-tags {
  gap: 12px;
  margin-top: 30px;
}

html[data-project="smart-water"] .case-tags span {
  min-height: 46px;
  padding: 10px 16px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-color: rgba(54, 121, 232, .12);
  background: rgba(247, 251, 255, .82);
  box-shadow: 0 8px 24px rgba(53, 94, 145, .06);
  font-size: 13px;
  font-weight: 600;
}

html[data-project="smart-water"] .case-tags span:nth-child(2) { color: #a56216; border-color: rgba(237, 140, 39, .18); background: rgba(255, 248, 238, .82); }
html[data-project="smart-water"] .case-tags span:nth-child(3) { color: #6549bd; border-color: rgba(122, 97, 232, .16); background: rgba(248, 245, 255, .82); }
html[data-project="smart-water"] .case-tags img { width: 20px; height: 20px; opacity: .72; }

html[data-project="smart-water"] .case-facts {
  width: 185px;
  margin: 0 0 0 auto;
  align-self: center;
  border-color: rgba(39, 76, 130, .14);
}

html[data-project="smart-water"] .case-facts div { padding: 18px 0; border-color: rgba(39, 76, 130, .14); }
html[data-project="smart-water"] .case-facts dd { color: #18385f; font-weight: 500; }

html[data-project="smart-water"] .case-detail-nav {
  margin-top: 0;
  background: rgba(249, 252, 254, .88);
}

html[data-project="smart-water"] .sw-opening {
  width: min(1220px, calc(100% - 36px));
  margin: 30px auto clamp(100px, 10vw, 150px);
  display: grid;
  gap: 18px;
}

html[data-project="smart-water"] .sw-opening__card {
  padding: clamp(28px, 4vw, 48px);
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  scroll-margin-top: 150px;
}

html[data-project="smart-water"] .sw-opening__header {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) auto;
  gap: 18px;
  align-items: start;
}

html[data-project="smart-water"] .sw-opening__header > span {
  color: var(--sw-opening-blue);
  font: 600 28px/1 var(--mono);
}

html[data-project="smart-water"] .sw-opening__header small {
  color: #36527b;
  font: 600 11px/1.6 var(--mono);
  letter-spacing: .09em;
}

html[data-project="smart-water"] .sw-opening__header h2 {
  margin: 10px 0 0;
  color: var(--sw-opening-ink);
  font: 400 clamp(27px, 3.1vw, 42px)/1.25 var(--serif);
  letter-spacing: -.025em;
}

html[data-project="smart-water"] .sw-opening__header p {
  max-width: 720px;
  margin: 13px 0 0;
  color: var(--sw-opening-muted);
  font-size: 14px;
  line-height: 1.85;
}

html[data-project="smart-water"] .sw-opening__header > a {
  min-height: 42px;
  padding: 0 15px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #255da9;
  border: 1px solid rgba(54, 121, 232, .22);
  border-radius: 999px;
  background: #f8fbff;
  box-shadow: 0 8px 20px rgba(54, 121, 232, .08);
  font-size: 12px;
  font-weight: 600;
}

html[data-project="smart-water"] .sw-opening__header > a img { width: 14px; height: 14px; }
html[data-project="smart-water"] .sw-opening__header--compact { grid-template-columns: 46px minmax(0, 1fr); }

html[data-project="smart-water"] .sw-pain-grid,
html[data-project="smart-water"] .sw-role-grid {
  margin: 30px 0 0 64px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

html[data-project="smart-water"] .sw-pain-grid article,
html[data-project="smart-water"] .sw-role-grid article {
  min-height: 132px;
  padding: 22px;
  display: flex;
  align-items: flex-start;
  gap: 15px;
  border: 1px solid rgba(54, 121, 232, .13);
  border-radius: 14px;
  background: #f9fbfe;
}

html[data-project="smart-water"] .sw-pain-grid article:nth-child(2),
html[data-project="smart-water"] .sw-role-grid article:nth-child(2) { border-color: rgba(23, 170, 157, .18); background: #f7fcfb; }
html[data-project="smart-water"] .sw-pain-grid article:nth-child(3),
html[data-project="smart-water"] .sw-role-grid article:nth-child(3) { border-color: rgba(237, 140, 39, .18); background: #fffaf4; }
html[data-project="smart-water"] .sw-pain-grid article:nth-child(4),
html[data-project="smart-water"] .sw-role-grid article:nth-child(4) { border-color: rgba(122, 97, 232, .16); background: #faf8ff; }

html[data-project="smart-water"] .sw-pain-grid img,
html[data-project="smart-water"] .sw-role-grid img {
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  opacity: .68;
}

html[data-project="smart-water"] .sw-opening h3 { margin: 0; color: #183d6b; font: 600 16px/1.45 var(--sans); }
html[data-project="smart-water"] .sw-opening article p { margin: 8px 0 0; color: #6a7d98; font-size: 12px; line-height: 1.7; }

html[data-project="smart-water"] .sw-opening__research {
  display: grid;
  grid-template-columns: minmax(245px, .65fr) minmax(0, 1.35fr);
  gap: 32px;
  align-items: center;
}

html[data-project="smart-water"] .sw-opening__research .sw-opening__header { display: grid; }
html[data-project="smart-water"] .sw-role-grid { margin: 0; }
html[data-project="smart-water"] .sw-role-grid article { min-height: 98px; padding: 18px; }

html[data-project="smart-water"] .sw-framework-grid {
  margin: 28px 0 0 64px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 210px minmax(0, 1fr);
  grid-template-areas: "a center b" "c center d";
  gap: 14px 22px;
  align-items: stretch;
}

html[data-project="smart-water"] .sw-framework-grid article {
  min-height: 96px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid rgba(54, 121, 232, .15);
  border-radius: 12px;
  background: #f8fbff;
}

html[data-project="smart-water"] .sw-framework-grid article:nth-child(2) { grid-area: b; border-color: rgba(237, 140, 39, .2); background: #fff9f2; }
html[data-project="smart-water"] .sw-framework-grid article:nth-child(4) { grid-area: c; border-color: rgba(23, 170, 157, .2); background: #f6fcfb; }
html[data-project="smart-water"] .sw-framework-grid article:nth-child(5) { grid-area: d; border-color: rgba(122, 97, 232, .18); background: #faf8ff; }
html[data-project="smart-water"] .sw-framework-grid article > img { width: 32px; height: 32px; opacity: .68; }

html[data-project="smart-water"] .sw-framework-grid figure {
  grid-area: center;
  margin: 0;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 15px;
  border: 1px solid rgba(54, 121, 232, .18);
  border-radius: 50%;
  background: #f3f8fe;
}

html[data-project="smart-water"] .sw-framework-grid figure img { width: 82px; height: 82px; opacity: .42; }
html[data-project="smart-water"] .sw-framework-grid figcaption { max-width: 120px; color: #4e6c94; font-size: 11px; line-height: 1.6; text-align: center; }

html[data-project="smart-water"] .sw-framework-visual {
  width: 100%;
  margin: 26px 0 0;
}

html[data-project="smart-water"] .sw-framework-visual img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

html[data-project="smart-water"] .sw-loop-flow {
  margin: 30px 0 0 64px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr)) minmax(180px, 1.15fr);
  gap: 12px;
  list-style: none;
}

html[data-project="smart-water"] .sw-loop-flow li {
  position: relative;
  min-height: 118px;
  padding: 20px 14px;
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 6px;
  border: 1px solid rgba(54, 121, 232, .13);
  border-radius: 14px;
  background: #fbfdff;
  text-align: center;
}

html[data-project="smart-water"] .sw-loop-flow li:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -13px;
  top: 50%;
  z-index: 2;
  width: 12px;
  height: 1px;
  background: #91b5ea;
}

html[data-project="smart-water"] .sw-loop-flow img { width: 28px; height: 28px; opacity: .62; }
html[data-project="smart-water"] .sw-loop-flow strong { color: #1b3e6b; font-size: 14px; }
html[data-project="smart-water"] .sw-loop-flow span { color: #71829a; font-size: 11px; }
html[data-project="smart-water"] .sw-loop-flow__result { color: #245fae; border-color: rgba(54, 121, 232, .28) !important; background: #f3f8ff !important; box-shadow: 0 10px 28px rgba(54, 121, 232, .08); }

html[data-project="smart-water"] .sw-opening__cta {
  min-height: 72px;
  margin: 22px 0 0 64px;
  padding: 12px 16px 12px 20px;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto 18px;
  gap: 14px;
  align-items: center;
  border: 1px solid rgba(54, 121, 232, .2);
  border-radius: 14px;
  background: #f8fbff;
}

html[data-project="smart-water"] .sw-opening__cta > img:first-child { width: 30px; height: 30px; opacity: .66; }
html[data-project="smart-water"] .sw-opening__cta > img:last-child { width: 18px; height: 18px; }
html[data-project="smart-water"] .sw-opening__cta span { display: grid; gap: 4px; }
html[data-project="smart-water"] .sw-opening__cta strong { color: #16468a; font: 600 17px var(--sans); }
html[data-project="smart-water"] .sw-opening__cta small { color: #6f829f; font-size: 11px; }
html[data-project="smart-water"] .sw-opening__cta b { padding: 10px 18px; color: white; border-radius: 999px; background: #4d78e7; font-size: 12px; font-weight: 600; }

html[data-project="smart-water"] .case-story-chapter--design { padding-top: clamp(90px, 10vw, 130px); }

/* Keep the solution opener compact; the detailed walkthrough remains below. */
html[data-project="smart-water"] section#case-design.case-story-chapter--design {
  padding-top: clamp(46px, 5vw, 70px);
}

@media (max-width: 980px) {
  html[data-project="smart-water"] .case-hero { min-height: 600px; grid-template-columns: 1fr 170px; background-position: 58% center; }
  html[data-project="smart-water"] .case-facts { width: 150px; }
  html[data-project="smart-water"] .sw-opening__research { grid-template-columns: 1fr; }
  html[data-project="smart-water"] .sw-role-grid { margin-left: 64px; grid-template-columns: 1fr 1fr; }
  html[data-project="smart-water"] .sw-pain-grid { grid-template-columns: 1fr 1fr; }
  html[data-project="smart-water"] .sw-framework-grid { grid-template-columns: 1fr 170px 1fr; }
  html[data-project="smart-water"] .sw-loop-flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  html[data-project="smart-water"] .sw-loop-flow__result { grid-column: 1 / -1; }
  html[data-project="smart-water"] .sw-loop-flow li::after { display: none; }
}

@media (max-width: 720px) {
  html[data-project="smart-water"] .case-hero {
    min-height: 620px;
    padding: 88px 7vw 50px;
    grid-template-columns: 1fr;
    align-content: end;
    background-position: 68% center;
  }
  html[data-project="smart-water"] .case-hero::after { content: ""; position: absolute; inset: 0; background: rgba(248, 252, 255, .58); }
  html[data-project="smart-water"] .case-hero__copy,
  html[data-project="smart-water"] .case-facts { z-index: 1; }
  html[data-project="smart-water"] .case-hero h1 { font-size: clamp(42px, 13vw, 62px); }
  html[data-project="smart-water"] .case-facts { width: 100%; display: grid; grid-template-columns: 1fr 1fr; }
  html[data-project="smart-water"] .case-facts div { padding: 14px 0; }
  html[data-project="smart-water"] .sw-opening { width: calc(100% - 24px); margin-top: 14px; }
  html[data-project="smart-water"] .sw-opening__card { padding: 24px 18px; border-radius: 16px; }
  html[data-project="smart-water"] .sw-opening__header,
  html[data-project="smart-water"] .sw-opening__header--compact { grid-template-columns: 36px 1fr; gap: 12px; }
  html[data-project="smart-water"] .sw-opening__header > span { font-size: 22px; }
  html[data-project="smart-water"] .sw-opening__header > a { grid-column: 2; justify-self: start; }
  html[data-project="smart-water"] .sw-pain-grid,
  html[data-project="smart-water"] .sw-role-grid,
  html[data-project="smart-water"] .sw-framework-grid,
  html[data-project="smart-water"] .sw-loop-flow,
  html[data-project="smart-water"] .sw-opening__cta { margin-left: 0; }
  html[data-project="smart-water"] .sw-pain-grid,
  html[data-project="smart-water"] .sw-role-grid { grid-template-columns: 1fr; }
  html[data-project="smart-water"] .sw-pain-grid article,
  html[data-project="smart-water"] .sw-role-grid article { min-height: auto; }
  html[data-project="smart-water"] .sw-framework-grid { grid-template-columns: 1fr; grid-template-areas: "center" "a" "b" "c" "d"; }
  html[data-project="smart-water"] .sw-framework-grid figure { min-height: 180px; border-radius: 16px; }
  html[data-project="smart-water"] .sw-loop-flow { grid-template-columns: 1fr; }
  html[data-project="smart-water"] .sw-opening__cta { grid-template-columns: 34px 1fr 16px; }
  html[data-project="smart-water"] .sw-opening__cta b { display: none; }
}

/* Unify content-heading scale and remove stacked spacing between system panels. */
html[data-project="smart-water"] .case-story-chapter--design > header > h2,
html[data-project="smart-water"] .case-story-chapter--summary h2 {
  font-size: clamp(34px, 4vw, 56px);
}

html[data-project="smart-water"] .case-system-designs__panels {
  gap: clamp(72px, 7vw, 104px);
}

html[data-project="smart-water"] .case-system-design + .case-system-design {
  margin-top: 0;
  padding-top: clamp(36px, 4vw, 54px);
}

html[data-project="smart-water"] .case-system-design h3 {
  font-size: clamp(34px, 3.8vw, 50px);
}

html[data-project="smart-water"] .case-story-chapter--design {
  padding-bottom: clamp(72px, 8vw, 104px);
}

html[data-project="smart-water"] .case-story-chapter--summary {
  margin-bottom: clamp(72px, 8vw, 104px);
}

@media (max-width: 760px) {
  html[data-project="smart-water"] .case-system-designs__panels { gap: 56px; }
  html[data-project="smart-water"] .case-system-design h3 { font-size: 32px; }
}

/* Keep one numbering system: project index + top-level chapter navigation. */
html[data-project="smart-water"] .sw-opening__header {
  grid-template-columns: minmax(0, 1fr) auto;
}

html[data-project="smart-water"] .sw-opening__header--compact {
  grid-template-columns: minmax(0, 1fr);
}

html[data-project="smart-water"] .sw-pain-grid,
html[data-project="smart-water"] .sw-framework-grid,
html[data-project="smart-water"] .sw-opening__cta {
  margin-left: 0;
}

html[data-project="smart-water"] .case-story-chapter--design > header > span,
html[data-project="smart-water"] .case-story-chapter--design .case-flow li > span,
html[data-project="smart-water"] .case-system-design__journey li > span,
html[data-project="smart-water"] .case-system-loop li > span,
html[data-project="smart-water"] .case-system-media__asset > header > span,
html[data-project="smart-water"] .case-story-chapter--summary > header > span,
html[data-project="smart-water"] .case-story-chapter--summary .case-html-block > span,
html[data-project="smart-water"] .case-story-chapter--summary .case-story-outcome li > span {
  display: none;
}

html[data-project="smart-water"] .case-story-chapter--design > header {
  grid-template-columns: clamp(110px, 12vw, 160px) minmax(0, 1fr);
  grid-template-rows: auto auto;
}

html[data-project="smart-water"] .case-story-chapter--design > header > p {
  grid-column: 1;
  grid-row: 1;
  padding-bottom: 0;
}

html[data-project="smart-water"] .case-story-chapter--design > header > p::after {
  display: none;
}

html[data-project="smart-water"] .case-story-chapter--design > header > h2 {
  grid-column: 2;
  grid-row: 1;
}

html[data-project="smart-water"] .case-story-chapter--design > header .case-story-chapter__intro {
  grid-column: 2;
  grid-row: 2;
}

html[data-project="smart-water"] .case-system-design__journey p,
html[data-project="smart-water"] .case-system-loop strong {
  margin-top: 0;
}

html[data-project="smart-water"] .case-system-media__asset > header {
  grid-template-columns: minmax(0, 1fr);
}

html[data-project="smart-water"] .case-story-chapter--summary > header {
  grid-template-columns: minmax(150px, .35fr) minmax(0, 1fr);
}

html[data-project="smart-water"] .case-story-chapter--summary > header > p {
  grid-column: 1;
}

html[data-project="smart-water"] .case-story-chapter--summary > header > h2,
html[data-project="smart-water"] .case-story-chapter--summary > header .case-story-chapter__intro {
  grid-column: 2;
}

html[data-project="smart-water"] .case-story-chapter--summary .case-html-block {
  grid-template-columns: minmax(170px, .6fr) minmax(0, 1fr);
}

html[data-project="smart-water"] .case-story-chapter--summary .case-html-block h3 {
  grid-column: 1;
}

html[data-project="smart-water"] .case-story-chapter--summary .case-html-block p {
  grid-column: 2;
}

html[data-project="smart-water"] .case-story-chapter--summary .case-story-outcome li {
  grid-template-columns: minmax(0, 1fr);
}

@media (max-width: 760px) {
  html[data-project="smart-water"] .sw-opening__header,
  html[data-project="smart-water"] .sw-opening__header--compact,
  html[data-project="smart-water"] .case-story-chapter--design > header,
  html[data-project="smart-water"] .case-story-chapter--summary > header {
    grid-template-columns: minmax(0, 1fr);
  }

  html[data-project="smart-water"] .sw-opening__header > a {
    grid-column: 1;
  }

  html[data-project="smart-water"] .case-story-chapter--design > header > p,
  html[data-project="smart-water"] .case-story-chapter--design > header > h2,
  html[data-project="smart-water"] .case-story-chapter--design > header .case-story-chapter__intro,
  html[data-project="smart-water"] .case-story-chapter--summary > header > p,
  html[data-project="smart-water"] .case-story-chapter--summary > header > h2,
  html[data-project="smart-water"] .case-story-chapter--summary > header .case-story-chapter__intro {
    grid-column: 1;
  }

  html[data-project="smart-water"] .case-story-chapter--design > header > p,
  html[data-project="smart-water"] .case-story-chapter--design > header > h2 {
    grid-row: auto;
  }

  html[data-project="smart-water"] .case-story-chapter--summary .case-html-block {
    grid-template-columns: minmax(0, 1fr);
  }

  html[data-project="smart-water"] .case-story-chapter--summary .case-html-block h3,
  html[data-project="smart-water"] .case-story-chapter--summary .case-html-block p {
    grid-column: 1;
  }
}