/* =====================================================================
   Reservoir & Lake Aeration — layout enhancements
   Loads ALONGSIDE desalination-ro-protection.css (which supplies the
   sci-figure / fig-legend styles this page reuses). Purpose here: remove
   single-column blocks — every band becomes a multi-column layout.
   ===================================================================== */

/* ---- "How we engineer it" trio: 3 equal cards in one row ---------- */
.rla-approach { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.rla-approach .card { height: 100%; margin: 0; }
@media (max-width: 980px){ .rla-approach { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px){ .rla-approach { grid-template-columns: 1fr; } }

/* ---- Two-strategy comparison (replaces lone calc-box) ------------- */
.rla-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; align-items: stretch; }
.rla-strategy {
  background: var(--white);
  border: 1px solid var(--border-gray);
  border-top: 4px solid var(--primary-blue);
  border-radius: 16px;
  padding: 1.6rem 1.7rem;
  box-shadow: 0 8px 26px rgba(10, 37, 64, 0.06);
  display: flex;
  flex-direction: column;
}
.rla-strategy.is-hypo { border-top-color: #0f8a5f; }
.rla-strategy h3 {
  display: flex; align-items: center; gap: 0.7rem;
  margin: 0 0 0.9rem; font-size: 1.15rem; color: var(--primary-navy);
}
.rla-strategy h3 .s-ico {
  flex: none; width: 44px; height: 44px; border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.1rem; color: #fff;
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-navy));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.28);
}
.rla-strategy.is-hypo h3 .s-ico { background: linear-gradient(135deg, #16a34a, #0d7a37); }
.rla-strategy > p { margin: 0 0 1.1rem; font-size: 0.92rem; line-height: 1.65; color: var(--text-medium); }
.rla-strategy .s-list { list-style: none; margin: 0 0 1.1rem; padding: 0; }
.rla-strategy .s-list li {
  position: relative; padding: 0.4rem 0 0.4rem 1.5rem;
  font-size: 0.88rem; line-height: 1.5; color: var(--text-medium);
}
.rla-strategy .s-list li::before {
  position: absolute; left: 0; top: 0.5rem;
  font-family: "Font Awesome 6 Free"; font-weight: 900; content: "\f054";
  font-size: 0.7rem; color: var(--primary-blue);
}
.rla-strategy.is-hypo .s-list li::before { color: #0f8a5f; }
.rla-strategy .s-when {
  margin-top: auto;
  background: var(--light-gray); border-radius: 10px;
  padding: 0.85rem 1rem; font-size: 0.82rem; line-height: 1.5; color: var(--text-medium);
}
.rla-strategy .s-when strong { color: var(--primary-navy); }
@media (max-width: 760px){ .rla-compare { grid-template-columns: 1fr; } }

/* ---- "At a glance" quick-fact strip under the hero/intro ---------- */
.rla-facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.rla-fact {
  background: linear-gradient(160deg,#ffffff 0%,#eef5fc 100%);
  border: 1px solid #dce8f3; border-radius: 14px;
  padding: 1.4rem 1.1rem; text-align: center;
  box-shadow: 0 6px 18px rgba(10,37,64,.06);
}
.rla-fact .v { display:block; font-size: 1.5rem; font-weight: 800; line-height: 1.05; color: var(--primary-blue); letter-spacing:-.01em; }
.rla-fact .l { display:block; margin-top: .4rem; font-size: .78rem; color: var(--text-medium); line-height: 1.4; }
@media (max-width: 760px){ .rla-facts { grid-template-columns: repeat(2,1fr); } }

/* =====================================================================
   Biological-pump figure — arrange the TALL svg and its numbered legend
   SIDE BY SIDE (no single narrow column). Overrides the 560px cap from
   desalination-ro-protection.css since this loads after it.
   ===================================================================== */
.sci-figure.sci-figure-tall {
  max-width: 1100px;
  display: grid;
  grid-template-columns: minmax(0, 440px) 1fr;
  grid-template-areas:
    "svg legend"
    "cap cap";
  gap: 1.25rem 1.75rem;
  align-items: start;
}
.sci-figure.sci-figure-tall > svg { grid-area: svg; align-self: center; }
.sci-figure.sci-figure-tall > .fig-legend {
  grid-area: legend;
  margin: 0;
  grid-template-columns: 1fr;     /* stack the 6 numbered items beside the diagram */
  gap: 0.6rem;
  align-self: stretch;
}
.sci-figure.sci-figure-tall > .sci-figcaption {
  grid-area: cap;
  text-align: left;
  border-top: 1px solid var(--border-gray);
  padding-top: 1rem;
}
/* keep the legend readable on mid widths: two columns under a full-width svg */
@media (max-width: 860px){
  .sci-figure.sci-figure-tall {
    grid-template-columns: 1fr;
    grid-template-areas: "svg" "legend" "cap";
  }
  .sci-figure.sci-figure-tall > svg { max-width: 460px; margin: 0 auto; }
  .sci-figure.sci-figure-tall > .fig-legend { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px){
  .sci-figure.sci-figure-tall > .fig-legend { grid-template-columns: 1fr; }
}