.technology-guide {
  overflow: hidden;
  padding: 0;
  border-left: 0;
}

.guide-hero {
  position: relative;
  min-height: 410px;
  display: flex;
  align-items: flex-end;
  isolation: isolate;
  overflow: hidden;
  background: #242424;
}

.guide-hero img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.guide-hero::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background: linear-gradient(180deg, rgba(18,18,18,.08) 8%, rgba(18,18,18,.9) 88%, #242424 100%);
}

.guide-hero__content {
  width: min(100%, 900px);
  padding: 42px 48px 38px;
}

.guide-hero h1 {
  margin: 8px 0 14px;
  color: #fff;
  font-size: clamp(2.2rem, 5vw, 3.7rem);
  text-shadow: 0 3px 16px rgba(0,0,0,.76);
}

.guide-hero .lede {
  max-width: 760px;
  margin: 0;
  color: #f1f1f1;
  font-size: 1.18rem;
  text-shadow: 0 2px 10px rgba(0,0,0,.82);
}

.pool-operations-hero img {
  object-position: center 34%;
}

.guide-body {
  padding: 10px 48px 48px;
}

.guide-intro {
  max-width: 940px;
  margin: 26px 0 34px;
  color: #dce1e4;
  font-size: 1.05rem;
}

.benefit-grid,
.signal-grid,
.guide-link-grid {
  display: grid;
  gap: 16px;
  margin: 24px 0 34px;
}

.benefit-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.guide-link-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.benefit-card,
.signal-card,
.guide-link-card {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 5px 14px rgba(0,0,0,.34);
}

.benefit-card { border-top: 4px solid var(--green); }
.signal-card { border-top: 4px solid var(--blue); }

.benefit-card strong,
.signal-card strong {
  display: block;
  margin-bottom: 8px;
  color: #fff;
  font-size: 1.08rem;
}

.benefit-card p,
.signal-card p {
  margin: 0;
  color: var(--muted);
}

.section-intro {
  max-width: 820px;
  margin: 10px 0 22px;
  color: var(--muted);
}

.operations-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 24px 0 40px;
}

.operations-visual {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #202124;
  box-shadow: 0 5px 14px rgba(0,0,0,.34);
}

.operations-visual--wide {
  grid-column: 1 / -1;
}

.operations-visual img {
  display: block;
  width: 100%;
  height: 540px;
  object-fit: contain;
  background: #111;
}

.operations-visual--wide img {
  height: auto;
  max-height: 780px;
  object-fit: contain;
}

.operations-visual figcaption {
  display: grid;
  gap: 4px;
  padding: 14px 16px 16px;
  border-top: 1px solid var(--border);
}

.operations-visual figcaption strong {
  color: #fff;
  font-size: 1rem;
}

.operations-visual figcaption span {
  color: var(--muted);
  font-size: .86rem;
}

.action-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 24px 0 38px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 5px 14px rgba(0,0,0,.34);
}

.action-step {
  min-width: 0;
  padding: 22px;
  border-right: 1px solid var(--border);
}

.action-step:last-child { border-right: 0; }

.action-step span {
  display: block;
  margin-bottom: 8px;
  color: var(--green);
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.action-step strong {
  display: block;
  color: #fff;
}

.action-step p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: .9rem;
}

.guide-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 26px;
  margin: 22px 0 36px;
  padding: 0;
  list-style: none;
}

.guide-list li {
  position: relative;
  min-height: 44px;
  padding: 10px 0 10px 28px;
  border-bottom: 1px solid var(--border);
  color: #dce1e4;
}

.guide-list li::before {
  position: absolute;
  top: 15px;
  left: 2px;
  width: 10px;
  height: 10px;
  border: 3px solid var(--blue);
  border-radius: 50%;
  content: "";
}

.guide-note {
  margin: 28px 0;
  padding: 20px 22px;
  border-left: 4px solid var(--amber);
  border-radius: 8px;
  background: #282828;
  color: #e8e8e8;
}

.guide-link-card {
  min-height: 156px;
  display: flex;
  flex-direction: column;
  border: 2px solid var(--blue);
  color: #fff;
  text-decoration: none;
  transition: transform .22s ease, background .22s ease, box-shadow .22s ease;
}

.guide-link-card:hover,
.guide-link-card:focus-visible {
  background: #3a3a3a;
  color: #fff;
  transform: translateY(-4px);
  box-shadow: 0 9px 24px rgba(74,144,226,.28);
}

.guide-link-card strong {
  color: var(--blue);
  font-size: 1.05rem;
}

.guide-link-card span {
  margin-top: 8px;
  color: var(--muted);
}

.guide-link-card em {
  margin-top: auto;
  padding-top: 14px;
  color: #86efac;
  font-style: normal;
  font-weight: 700;
}

.guide-footer-line {
  margin-top: 38px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .84rem;
}

@media (max-width: 1100px) {
  .pool-operations-hero {
    display: block;
    min-height: 0;
    background: #242424;
  }

  .pool-operations-hero img {
    position: relative;
    inset: auto;
    z-index: 0;
    width: 100%;
    height: auto;
    object-fit: contain;
    object-position: center;
    background: #080808;
  }

  .pool-operations-hero::after { display: none; }

  .pool-operations-hero .guide-hero__content {
    position: relative;
    z-index: 1;
    padding: 26px 24px 30px;
  }

  .pool-operations-hero h1,
  .pool-operations-hero .lede {
    text-shadow: none;
  }
}

@media (max-width: 980px) {
  .benefit-grid,
  .guide-link-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .operations-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .operations-visual:last-child { grid-column: 1 / -1; }
  .action-flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .action-step:nth-child(2) { border-right: 0; }
  .action-step:nth-child(-n+2) { border-bottom: 1px solid var(--border); }
}

@media (max-width: 700px) {
  .technology-guide { width: min(calc(100% - 24px), var(--max)); }
  .guide-hero { min-height: 400px; }
  .guide-hero__content { padding: 32px 24px 28px; }
  .guide-hero h1 { font-size: 2.3rem; }
  .guide-hero .lede { font-size: 1.03rem; }
  .guide-body { padding: 8px 24px 34px; }
  .benefit-grid,
  .signal-grid,
  .guide-link-grid,
  .operations-gallery,
  .action-flow,
  .guide-list { grid-template-columns: 1fr; }
  .operations-visual,
  .operations-visual--wide,
  .operations-visual:last-child { grid-column: auto; }
  .operations-visual img,
  .operations-visual--wide img {
    height: auto;
    max-height: none;
  }
  .action-step,
  .action-step:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }
  .action-step:last-child { border-bottom: 0; }
}