.engineering-hub {
  background:
    radial-gradient(circle at top right, rgba(110, 209, 223, 0.08), transparent 26%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
}

.engineering-direction-hero__layout,
.engineering-intro,
.engineering-service-layout,
.engineering-service-hero__layout {
  display: grid;
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: start;
}

.engineering-direction-hero__layout,
.engineering-service-hero__layout {
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.72fr);
}

.engineering-direction-hero__copy {
  max-width: 52rem;
}

.engineering-direction-hero__layout {
  grid-template-columns: minmax(0, 1fr);
}

.engineering-direction-hero__copy > .eyebrow:first-child,
.engineering-direction-hero__aside,
.engineering-intro-section,
.engineering-services-section .section-intro,
.engineering-service-grid .engineering-service-card__tag {
  display: none;
}

.engineering-direction-hero__aside,
.engineering-service-hero__aside {
  background: linear-gradient(180deg, rgba(26, 45, 69, 0.96), rgba(20, 37, 58, 0.96));
}

.engineering-direction-hero__proof {
  margin-top: 1.5rem;
}

.engineering-intro {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.engineering-intro__copy {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.engineering-intro__copy p:last-child {
  margin-bottom: 0;
  color: var(--ink-soft);
}

.engineering-intro__side {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.engineering-intro__card h3,
.engineering-result-card h3,
.engineering-application-card h3 {
  margin-bottom: 0.8rem;
}

.engineering-intro__card p,
.engineering-result-card p,
.engineering-application-card p {
  margin-bottom: 0;
}

.engineering-service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.engineering-service-card {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 0.95rem;
  min-height: 21rem;
  padding: 1.8rem;
  border-radius: var(--radius-lg);
  color: #f4f7fa;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(180deg, rgba(4, 10, 18, 0.76), rgba(6, 14, 24, 0.93)),
    url("../img/backgrounds/hero_full_bg.png") center / cover no-repeat,
    linear-gradient(160deg, #07111b 0%, #0b1626 60%, #14253a 100%);
  box-shadow: 0 18px 42px rgba(10, 20, 32, 0.18);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.engineering-service-card::before,
.engineering-service-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(6, 12, 20, 0.34), rgba(6, 12, 20, 0.12)),
    radial-gradient(circle at top right, rgba(110, 209, 223, 0.16), transparent 32%);
  pointer-events: none;
}

.engineering-service-card:hover,
.engineering-service-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 24px 52px rgba(10, 20, 32, 0.24);
  border-color: rgba(110, 209, 223, 0.34);
}

.engineering-service-card h3,
.engineering-service-card p,
.engineering-service-card__tag,
.engineering-service-card__cta,
.engineering-service-banner__tag,
.engineering-service-banner__content p {
  position: relative;
  z-index: 1;
}

.engineering-service-card__tag,
.engineering-service-banner__tag {
  display: inline-flex;
  width: fit-content;
  min-height: 34px;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #8ce5f0;
  background: rgba(77, 183, 200, 0.12);
  border: 1px solid rgba(110, 209, 223, 0.24);
}

.engineering-service-card h3 {
  margin: 0;
  max-width: 16ch;
  color: #f4f7fa;
}

.engineering-service-card p {
  margin: 0;
  max-width: 34ch;
  color: rgba(244, 247, 250, 0.82);
}

.engineering-service-card__cta {
  margin-top: auto;
  font-weight: 700;
  color: #8ce5f0;
}

.engineering-service-card--water-audit,
.engineering-service-card--scheme-water {
  background-position: left center;
}

.engineering-service-card--digital-twin,
.engineering-service-card--hydraulic {
  background-image:
    linear-gradient(180deg, rgba(4, 10, 18, 0.76), rgba(6, 14, 24, 0.93)),
    url("../img/backgrounds/hero_page/block_3.png"),
    linear-gradient(160deg, #07111b 0%, #0b1626 60%, #14253a 100%);
}

.engineering-service-card--thermal-audit,
.engineering-service-card--scheme-heat,
.engineering-service-card--reliability,
.engineering-service-card--analytics {
  background-image:
    linear-gradient(180deg, rgba(4, 10, 18, 0.76), rgba(6, 14, 24, 0.93)),
    url("../img/backgrounds/hero_page/block_2.png"),
    linear-gradient(160deg, #07111b 0%, #0b1626 60%, #14253a 100%);
}

.engineering-result-grid,
.engineering-application-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 1280px) {
  .engineering-result-grid,
  .engineering-application-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 1.75rem;
    row-gap: 2.75rem;
  }

  .engineering-result-card,
  .engineering-application-card {
    min-height: 100%;
    padding: 1.55rem 1.65rem;
  }
}

.engineering-service-layout {
  grid-template-columns: minmax(0, 2fr) minmax(280px, 0.95fr);
}

.engineering-service-layout__main {
  display: grid;
  gap: 1.5rem;
}

.engineering-service-banner {
  position: relative;
  overflow: hidden;
  min-height: 17rem;
  padding: 1.8rem;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(5, 12, 22, 0.58), rgba(8, 18, 30, 0.88)),
    url("../img/backgrounds/hero_refined_bg.webp") center / cover no-repeat,
    linear-gradient(160deg, #07111b 0%, #0b1626 60%, #14253a 100%);
  display: flex;
  align-items: end;
}

.engineering-service-banner--digital-twin,
.engineering-service-banner--hydraulic {
  background-image:
    linear-gradient(180deg, rgba(5, 12, 22, 0.58), rgba(8, 18, 30, 0.88)),
    url("../img/backgrounds/hero_page/block_3.png"),
    linear-gradient(160deg, #07111b 0%, #0b1626 60%, #14253a 100%);
}

.engineering-service-banner--thermal-audit,
.engineering-service-banner--water-audit,
.engineering-service-banner--scheme-heat,
.engineering-service-banner--scheme-water,
.engineering-service-banner--reliability,
.engineering-service-banner--analytics {
  background-image:
    linear-gradient(180deg, rgba(5, 12, 22, 0.58), rgba(8, 18, 30, 0.88)),
    url("../img/backgrounds/hero_page/block_2.png"),
    linear-gradient(160deg, #07111b 0%, #0b1626 60%, #14253a 100%);
}

.engineering-service-banner__content {
  position: relative;
  z-index: 1;
  max-width: 40rem;
}

.engineering-service-banner__content p {
  margin: 1rem 0 0;
  color: rgba(244, 247, 250, 0.88);
}

.engineering-service-section {
  display: grid;
  gap: 1rem;
}

.engineering-service-section h2 {
  margin: 0;
}

.engineering-checklist {
  display: grid;
  gap: 0.9rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.engineering-checklist li,
.engineering-step,
.engineering-service-results__card {
  padding: 1.15rem 1.2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 10px 28px rgba(12, 20, 34, 0.04);
}

.engineering-checklist li {
  position: relative;
  padding-left: 3rem;
}

.engineering-checklist li::before {
  content: "";
  position: absolute;
  left: 1.15rem;
  top: 1.35rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6ed1df 0%, #4db7c8 100%);
}

.engineering-service-results,
.engineering-steps {
  display: grid;
  gap: 1rem;
}

.engineering-service-results {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.engineering-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
}

.engineering-step span {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: rgba(77, 183, 200, 0.14);
  color: var(--accent-deep);
  font-weight: 700;
}

.engineering-step p,
.engineering-service-results__card p {
  margin: 0;
}

.engineering-service-summary__actions,
.engineering-cta-banner .cta-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.25rem;
}

.engineering-section-heading .section-intro {
  max-width: 34rem;
}

@media (max-width: 1200px) {
  .engineering-direction-hero__layout,
  .engineering-service-hero__layout,
  .engineering-intro,
  .engineering-service-layout {
    grid-template-columns: 1fr;
  }

  .engineering-intro__side,
  .engineering-service-grid,
  .engineering-service-results {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 800px) {
  .engineering-intro__side,
  .engineering-service-grid,
  .engineering-service-results {
    grid-template-columns: 1fr;
  }

  .engineering-service-card,
  .engineering-service-banner {
    min-height: auto;
  }
}