.shopify-guide .roi-section {
  padding: clamp(5rem, 8vw, 8rem) 0;
  background: linear-gradient(180deg, #f6f9ff 0%, #fff 100%);
  border-top: 1px solid #e6edf7;
  scroll-margin-top: 96px;
}

.shopify-guide .roi-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: end;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.shopify-guide .roi-intro .section-label {
  display: block;
  color: #2f64a5;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .11em;
}

.shopify-guide .roi-intro h2 {
  max-width: 14ch;
  margin: 1.2rem 0 0;
  font-size: clamp(2.9rem, 4.7vw, 4.35rem);
  font-weight: 580;
  letter-spacing: -.05em;
  line-height: 1.1;
  text-wrap: balance;
}

.shopify-guide .roi-intro h2 em {
  color: #0755ed;
  font-style: normal;
}

.shopify-guide .roi-intro > p {
  max-width: 48ch;
  margin: 0 0 .25rem;
  color: #5d6e86;
  font-size: 16px;
  line-height: 1.75;
  text-wrap: pretty;
}

.shopify-guide .roi-calculator {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.shopify-guide .roi-inputs,
.shopify-guide .roi-results {
  min-width: 0;
  padding: clamp(1.65rem, 3vw, 2.5rem);
  border: 1px solid #dce6f4;
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 20px 55px #194b9208;
}

.shopify-guide .roi-results {
  border-color: #bfd3f5;
  background: linear-gradient(155deg, #fff 34%, #f2f7ff 100%);
}

.shopify-guide .roi-card-heading {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.shopify-guide .roi-heading-mark {
  display: grid;
  place-items: center;
  flex: 0 0 2.4rem;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 12px;
  background: #eaf2ff;
  color: #0755ed;
  font-size: 12px;
  font-weight: 750;
}

.shopify-guide .roi-card-heading h3 {
  margin: 0;
  font-size: 21px;
  font-weight: 620;
  letter-spacing: -.035em;
  line-height: 1.25;
}

.shopify-guide .roi-card-heading p {
  margin: .25rem 0 0;
  color: #77869a;
  font-size: 12px;
  line-height: 1.45;
}

.shopify-guide .roi-control {
  margin-top: 1.8rem;
}

.shopify-guide .roi-control-top,
.shopify-guide .roi-range-labels {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}

.shopify-guide .roi-control-top label,
.shopify-guide .roi-fee label {
  margin: 0;
  color: #273a55;
  font-size: 14px;
  font-weight: 560;
  line-height: 1.4;
}

.shopify-guide .roi-control-top output {
  color: #0755ed;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.03em;
  font-variant-numeric: tabular-nums;
}

.shopify-guide .roi-control input[type="range"] {
  display: block;
  width: 100%;
  height: 7px;
  margin: 1.15rem 0 .65rem;
  padding: 0;
  border: 0;
  border-radius: 999px;
  appearance: none;
  -webkit-appearance: none;
  background: linear-gradient(90deg, #0755ed var(--fill, 0%), #e5eaf2 var(--fill, 0%));
  cursor: pointer;
}

.shopify-guide .roi-control input[type="range"]::-webkit-slider-thumb {
  width: 20px;
  height: 20px;
  border: 3px solid #fff;
  border-radius: 50%;
  appearance: none;
  -webkit-appearance: none;
  background: #0755ed;
  box-shadow: 0 2px 8px #0755ed55;
}

.shopify-guide .roi-control input[type="range"]::-moz-range-thumb {
  width: 15px;
  height: 15px;
  border: 3px solid #fff;
  border-radius: 50%;
  background: #0755ed;
  box-shadow: 0 2px 8px #0755ed55;
}

.shopify-guide .roi-control input[type="range"]:focus-visible,
.shopify-guide .roi-fee input:focus-visible,
.shopify-guide .roi-cta:focus-visible {
  outline: 3px solid #7caaff;
  outline-offset: 5px;
}

.shopify-guide .roi-range-labels {
  color: #8190a3;
  font-size: 11px;
}

.shopify-guide .roi-fee {
  margin-top: 2rem;
  padding-top: 1.6rem;
  border-top: 1px solid #e5ebf4;
}

.shopify-guide .roi-fee label {
  display: block;
}

.shopify-guide .roi-fee label span {
  display: block;
  margin-top: .3rem;
  color: #75859b;
  font-size: 11px;
  font-weight: 400;
}

.shopify-guide .roi-fee-field {
  display: flex;
  align-items: center;
  max-width: 14rem;
  height: 50px;
  margin-top: .9rem;
  padding: 0 .9rem;
  border: 1px solid #dbe5f2;
  border-radius: 9px;
  background: #f9fbff;
  color: #385d93;
  font-size: 17px;
}

.shopify-guide .roi-fee-field input {
  width: 100%;
  height: 100%;
  padding: 0 0 0 .35rem;
  border: 0;
  background: transparent;
  color: #1a3356;
  font-size: 17px;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

.shopify-guide .roi-fee p {
  margin: .55rem 0 0;
  color: #8290a3;
  font-size: 11px;
  line-height: 1.5;
}

.shopify-guide .roi-input-footnote {
  margin-top: 1.8rem;
  padding: 1rem 1.1rem;
  border-radius: 10px;
  background: #f1f5fc;
  color: #59708f;
  font-size: 12px;
  line-height: 1.6;
}

.shopify-guide .roi-ledger {
  display: grid;
  gap: .8rem;
}

.shopify-guide .roi-ledger > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 1.05rem 1.15rem;
  border: 1px solid #e3ebf6;
  border-radius: 11px;
  background: #fff;
}

.shopify-guide .roi-ledger span,
.shopify-guide .roi-net span,
.shopify-guide .roi-breakeven span {
  color: #687b92;
  font-size: 13px;
  line-height: 1.4;
}

.shopify-guide .roi-ledger strong {
  color: #193b69;
  font-size: 21px;
  font-weight: 650;
  letter-spacing: -.04em;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.shopify-guide .roi-net {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.4rem;
  margin-top: 1rem;
  padding: 1.5rem;
  border-radius: 15px;
  background: #0755ed;
  color: #fff;
}

.shopify-guide .roi-net > div {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.shopify-guide .roi-net span {
  color: #d5e4ff;
}

.shopify-guide .roi-net strong {
  color: #fff;
  font-size: clamp(1.55rem, 2.65vw, 2.25rem);
  font-weight: 650;
  letter-spacing: -.05em;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.shopify-guide .roi-net > div:last-child {
  align-items: flex-end;
  text-align: right;
}

.shopify-guide .roi-net > div:last-child strong {
  font-size: 1.55rem;
}

.shopify-guide .roi-breakeven {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid #dce7f6;
}

.shopify-guide .roi-breakeven strong {
  color: #284e80;
  font-size: 13px;
  font-weight: 650;
  text-align: right;
}

.shopify-guide .roi-formula {
  margin: 1.2rem 0 1.5rem;
  color: #71829a;
  font-size: 11px;
  line-height: 1.6;
}

.shopify-guide .roi-cta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  min-height: 52px;
  padding: .8rem 1.15rem;
  border: 1px solid #0755ed;
  border-radius: 9px;
  color: #0755ed;
  font-size: 13px;
  font-weight: 650;
  transition: background .18s ease, color .18s ease;
}

.shopify-guide .roi-cta:hover {
  background: #0755ed;
  color: #fff;
}

.shopify-guide .roi-cta span {
  font-size: 21px;
  line-height: 1;
}

.shopify-guide .roi-disclaimer {
  max-width: 89ch;
  margin: 1.4rem 0 0;
  color: #75859a;
  font-size: 12px;
  line-height: 1.7;
}

@media (max-width: 850px) {
  .shopify-guide .roi-intro,
  .shopify-guide .roi-calculator {
    grid-template-columns: 1fr;
  }

  .shopify-guide .roi-intro {
    gap: 1.1rem;
  }

  .shopify-guide .roi-intro h2 {
    max-width: none;
  }

  .shopify-guide .roi-intro > p {
    max-width: 65ch;
  }
}

@media (max-width: 600px) {
  .shopify-guide .roi-section {
    padding-block: 4.5rem;
  }

  .shopify-guide .roi-intro h2 {
    font-size: clamp(2.5rem, 10vw, 3.1rem);
  }

  .shopify-guide .roi-intro > p {
    font-size: 15px;
  }

  .shopify-guide .roi-inputs,
  .shopify-guide .roi-results {
    padding: 1.35rem;
    border-radius: 17px;
  }

  .shopify-guide .roi-card-heading h3 {
    font-size: 19px;
  }

  .shopify-guide .roi-net {
    grid-template-columns: 1fr 1fr;
    gap: .8rem;
    padding: 1.2rem;
  }

  .shopify-guide .roi-net strong {
    font-size: 1.75rem;
  }

  .shopify-guide .roi-net > div:last-child strong {
    font-size: 1.5rem;
  }

  .shopify-guide .roi-ledger strong {
    font-size: 18px;
  }
}

@media (max-width: 380px) {
  .shopify-guide .guide-header {
    padding-inline: 16px;
  }

  .shopify-guide .guide-header .brand {
    gap: 5px;
    font-size: 19px;
  }

  .shopify-guide .guide-header .brand img {
    width: 30px;
    height: 30px;
  }

  .shopify-guide .guide-header > .button.small {
    gap: 8px;
    padding: 8px 10px;
    font-size: 10px;
    white-space: nowrap;
  }

  .shopify-guide .roi-ledger > div {
    display: grid;
    gap: .4rem;
  }

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

  .shopify-guide .roi-net > div:last-child {
    align-items: flex-start;
    text-align: left;
  }

  .shopify-guide .roi-breakeven {
    display: block;
  }

  .shopify-guide .roi-breakeven strong {
    display: block;
    margin-top: .4rem;
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  .shopify-guide .roi-cta {
    transition: none;
  }
}