.iteration-merchant-proof,
.iteration-evidence,
.iteration-faq,
.iteration-final-cta {
  width: min(100% - 2rem, 76rem);
  margin-inline: auto;
}

.iteration-merchant-proof {
  padding: clamp(3.5rem, 8vw, 7rem) 0;
}

.iteration-section-head {
  max-width: 48rem;
  margin-bottom: 2rem;
}

.iteration-section-head .sf-kicker {
  color: #1769e0;
}

.iteration-section-head h2 {
  max-width: 16ch;
  margin: .55rem 0 .8rem;
  color: #172033;
  font-size: clamp(2rem, 5vw, 4.2rem);
  line-height: .98;
  letter-spacing: -.045em;
}

.iteration-section-head > p:last-child {
  max-width: 43rem;
  margin: 0;
  color: #5a667a;
  font-size: clamp(1rem, 1.6vw, 1.16rem);
  line-height: 1.7;
}

.iteration-proof-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(18rem, .85fr);
  gap: 1rem;
  align-items: stretch;
}

.iteration-scan-card,
.iteration-loop-card {
  border: 1px solid #d9e1ec;
  border-radius: 1.4rem;
  background: #fff;
  box-shadow: 0 20px 55px rgba(20, 31, 52, .08);
}

.iteration-scan-card {
  overflow: hidden;
}

.iteration-card-bar {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.15rem;
  border-bottom: 1px solid #e7ebf1;
  background: #f7f9fc;
  color: #536078;
  font-size: .73rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.iteration-card-bar span:last-child {
  color: #1769e0;
}

.iteration-score-body {
  padding: clamp(1.2rem, 3vw, 2rem);
}

.iteration-score-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid #e7ebf1;
}

.iteration-score-label {
  display: grid;
  gap: .25rem;
  color: #657187;
  font-size: .78rem;
}

.iteration-score-label strong {
  color: #172033;
  font-size: clamp(1.35rem, 3vw, 2rem);
}

.iteration-score-number {
  color: #1769e0;
  font-size: clamp(1.65rem, 4vw, 2.7rem);
  font-weight: 850;
  line-height: 1;
}

.iteration-score-explainer {
  margin: 1rem 0;
  padding: .9rem 1rem;
  border-left: 4px solid #f4be19;
  background: #fff9dc;
  color: #584e2a;
  font-size: .86rem;
  line-height: 1.55;
}

.iteration-actions-title {
  margin: 1.2rem 0 .65rem;
  color: #172033;
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .07em;
}

.iteration-action-list {
  display: grid;
  gap: .65rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: iteration-actions;
}

.iteration-action-list li {
  position: relative;
  padding: .7rem .8rem .7rem 2.65rem;
  border: 1px solid #e2e7ef;
  border-radius: .8rem;
  color: #536078;
  font-size: .84rem;
  line-height: 1.5;
  counter-increment: iteration-actions;
}

.iteration-action-list li::before {
  content: counter(iteration-actions);
  position: absolute;
  top: .72rem;
  left: .75rem;
  display: grid;
  width: 1.3rem;
  height: 1.3rem;
  place-items: center;
  border-radius: 999px;
  background: #172033;
  color: #fff;
  font-size: .65rem;
  font-weight: 850;
}

.iteration-scan-link {
  display: inline-flex;
  margin-top: 1.15rem;
  color: #1769e0;
  font-size: .87rem;
  font-weight: 800;
  text-decoration: none;
}

.iteration-scan-link:hover {
  text-decoration: underline;
}

.iteration-loop-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(1.35rem, 3vw, 2rem);
  background: #172033;
  color: #fff;
}

.iteration-loop-card .sf-kicker {
  color: #f4cf45;
}

.iteration-loop-card h3 {
  max-width: 12ch;
  margin: .7rem 0 1rem;
  color: #fff;
  font-size: clamp(1.7rem, 3.4vw, 2.8rem);
  line-height: 1.03;
}

.iteration-loop-card > p {
  margin: 0;
  color: #c8d2e3;
  line-height: 1.65;
}

.iteration-loop-steps {
  display: grid;
  gap: .55rem;
  margin: 1.5rem 0;
}

.iteration-loop-step {
  display: grid;
  grid-template-columns: 5.2rem 1fr;
  gap: .75rem;
  padding-top: .55rem;
  border-top: 1px solid rgba(255, 255, 255, .14);
  font-size: .78rem;
}

.iteration-loop-step strong {
  color: #f4cf45;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.iteration-loop-card .sf-button {
  width: fit-content;
  background: #f4cf45;
  color: #172033;
}

.iteration-evidence {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-bottom: clamp(3.5rem, 7vw, 6rem);
  border: 1px solid #dce3ed;
  border-radius: 1.2rem;
  overflow: hidden;
  background: #fff;
}

.iteration-evidence-item {
  padding: 1.35rem;
  border-right: 1px solid #dce3ed;
}

.iteration-evidence-item:last-child {
  border-right: 0;
}

.iteration-evidence-item strong {
  display: block;
  margin-bottom: .35rem;
  color: #172033;
  font-size: 1rem;
}

.iteration-evidence-item span {
  color: #687489;
  font-size: .78rem;
  line-height: 1.5;
}

.iteration-faq {
  padding: clamp(3.5rem, 8vw, 7rem) 0;
}

.iteration-faq-grid {
  display: grid;
  grid-template-columns: minmax(16rem, .72fr) minmax(0, 1.28fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}

.iteration-faq-intro {
  position: sticky;
  top: 6rem;
}

.iteration-faq-intro h2 {
  margin: .6rem 0 .8rem;
  color: #172033;
  font-size: clamp(2rem, 4.5vw, 3.7rem);
  line-height: 1;
  letter-spacing: -.04em;
}

.iteration-faq-intro p:last-child {
  color: #637086;
  line-height: 1.65;
}

.iteration-faq-list {
  border-top: 1px solid #dce3ed;
}

.iteration-faq-list details {
  border-bottom: 1px solid #dce3ed;
}

.iteration-faq-list summary {
  position: relative;
  padding: 1.25rem 2.5rem 1.25rem 0;
  color: #1b2639;
  font-weight: 800;
  line-height: 1.4;
  cursor: pointer;
  list-style: none;
}

.iteration-faq-list summary::-webkit-details-marker {
  display: none;
}

.iteration-faq-list summary::after {
  content: "+";
  position: absolute;
  top: 1.02rem;
  right: .2rem;
  color: #1769e0;
  font-size: 1.5rem;
  font-weight: 500;
}

.iteration-faq-list details[open] summary::after {
  content: "−";
}

.iteration-faq-list details p {
  max-width: 46rem;
  margin: -.25rem 0 1.3rem;
  color: #5c687c;
  line-height: 1.7;
}

.iteration-final-cta {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: center;
  margin-bottom: clamp(3rem, 7vw, 6rem);
  padding: clamp(1.5rem, 4vw, 3rem);
  border-radius: 1.4rem;
  background: #1769e0;
  color: #fff;
}

.iteration-final-cta h2 {
  max-width: 16ch;
  margin: 0 0 .6rem;
  color: #fff;
  font-size: clamp(1.8rem, 4vw, 3.4rem);
  line-height: 1;
}

.iteration-final-cta p {
  max-width: 42rem;
  margin: 0;
  color: #dceaff;
  line-height: 1.6;
}

.iteration-final-cta .sf-button {
  white-space: nowrap;
  background: #f4cf45;
  color: #172033;
}

@media (max-width: 900px) {
  .iteration-proof-grid,
  .iteration-faq-grid {
    grid-template-columns: 1fr;
  }

  .iteration-evidence {
    grid-template-columns: repeat(2, 1fr);
  }

  .iteration-evidence-item:nth-child(2) {
    border-right: 0;
  }

  .iteration-evidence-item:nth-child(-n + 2) {
    border-bottom: 1px solid #dce3ed;
  }

  .iteration-faq-intro {
    position: static;
  }

  .iteration-final-cta {
    grid-template-columns: 1fr;
  }

  .iteration-final-cta .sf-button {
    width: fit-content;
  }
}

@media (max-width: 560px) {
  .iteration-merchant-proof,
  .iteration-evidence,
  .iteration-faq,
  .iteration-final-cta {
    width: min(100% - 1.2rem, 76rem);
  }

  .iteration-score-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .iteration-card-bar {
    flex-direction: column;
    gap: .35rem;
  }

  .iteration-evidence {
    grid-template-columns: 1fr;
  }

  .iteration-evidence-item,
  .iteration-evidence-item:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid #dce3ed;
  }

  .iteration-evidence-item:last-child {
    border-bottom: 0;
  }

  .iteration-final-cta .sf-button,
  .iteration-loop-card .sf-button {
    width: 100%;
    justify-content: center;
  }
}