.roi-guide .guide-hero-grid {
  grid-template-columns: 1fr 1fr;
}

.roi-guide .guide-hero figure img {
  aspect-ratio: 3 / 2;
  border-radius: 28px;
  background: #0b2a4d;
  object-fit: cover;
  object-position: center;
}

.roi-formulas {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 28px 0;
}

.roi-formulas > div {
  display: grid;
  gap: 8px;
  padding: 24px;
  border: 1px solid #d9e1e4;
  border-radius: 18px;
  background: #f3f7f8;
}

.roi-formulas span,
.roi-example span {
  color: #9a570f;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .09em;
  line-height: 1.4;
  text-transform: uppercase;
}

.roi-formulas strong {
  color: #0b2a4d;
  font-size: 15px;
  line-height: 1.55;
}

.roi-formulas small {
  color: #708092;
  font-size: 11px;
}

.roi-factor-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 28px 0;
}

.roi-factor-grid article {
  padding: 20px;
  border: 1px solid #e0ddd6;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 10px 26px rgba(42, 58, 70, .045);
}

.roi-factor-grid strong {
  color: #173d62;
  font-size: 13px;
}

.roi-factor-grid p {
  margin: 8px 0 0;
  font-size: 12px;
  line-height: 1.65;
}

.roi-callout {
  margin: 28px 0;
  padding: 25px 28px;
  border-left: 4px solid #e99a13;
  border-radius: 0 18px 18px 0;
  background: #fff5df;
}

.roi-callout strong {
  color: #0b2a4d;
  font-size: 15px;
}

.roi-callout p {
  margin-bottom: 0;
  font-size: 13px;
}

.roi-example {
  margin: 34px 0 46px;
  padding: 28px 30px;
  border-radius: 22px;
  background: #0b2a4d;
}

.roi-example .eyebrow {
  margin-top: 0;
  color: #ffc65b;
}

.roi-example-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 18px 0;
}

.roi-example-grid > div {
  display: grid;
  gap: 7px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 14px;
  background: rgba(255, 255, 255, .07);
}

.roi-example span {
  color: #b8c8d8;
}

.roi-example strong {
  color: #fff;
  font-size: 20px;
}

.roi-example .roi-example-result {
  border-color: rgba(255, 198, 91, .48);
  background: rgba(255, 198, 91, .13);
}

.roi-example > p:last-child {
  margin-bottom: 0;
  color: #d8e3ec;
  font-size: 12px;
  line-height: 1.7;
}

.roi-guide .guide-sources ul {
  margin: 16px 0 22px;
  padding-left: 20px;
}

.roi-guide .guide-sources li {
  margin: 7px 0;
  font-size: 12px;
}

@media (max-width: 920px) {
  .roi-guide .guide-hero-grid {
    grid-template-columns: 1fr;
  }

  .roi-guide .guide-hero figure img {
    aspect-ratio: 16 / 9;
  }
}

@media (max-width: 620px) {
  .roi-formulas,
  .roi-factor-grid,
  .roi-example-grid {
    grid-template-columns: 1fr;
  }

  .roi-formulas > div,
  .roi-example {
    padding: 22px 20px;
  }
}