.op-roi-hero { max-width: 1000px; }

.op-roi-calculator {
  display: grid;
  gap: 16px;
  margin-top: 16px;
  scroll-margin-top: 110px;
}

.op-roi-inputs,
.op-roi-results {
  padding: clamp(28px, 5vw, 54px);
  border: 1px solid var(--opr-line);
  border-radius: 25px;
  background: linear-gradient(145deg, rgba(15, 21, 23, .96), rgba(6, 9, 10, .99));
}

.op-roi-inputs .op-resource-section-heading h2,
.op-roi-result-heading h2 {
  margin: 0;
  color: #f4f8f9;
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  font-weight: 900;
  letter-spacing: -.045em;
  line-height: 1.12;
}

.op-roi-inputs .op-resource-section-heading p,
.op-roi-result-heading p {
  max-width: 800px;
  margin: 14px 0 0;
  color: #a7b2b4;
  font-size: 1.05rem;
  line-height: 1.75;
}

.op-roi-field-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 30px;
}

.op-roi-field {
  display: flex;
  min-width: 0;
  gap: 9px;
  flex-direction: column;
}

.op-roi-field > span {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #edf3f4;
  font-size: 1rem;
  font-weight: 850;
  line-height: 1.45;
}

.op-roi-field > span > b {
  display: grid;
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid rgba(0, 242, 255, .28);
  border-radius: 50%;
  background: rgba(0, 242, 255, .07);
  color: var(--opr-cyan);
  font-size: .86rem;
}

.op-roi-field > small {
  min-height: 3em;
  color: #8e9a9d;
  font-size: .92rem;
  line-height: 1.5;
}

.op-roi-field input[type="number"],
.op-roi-field select,
.op-roi-input-unit {
  width: 100%;
  min-height: 60px;
  box-sizing: border-box;
  border: 1px solid rgba(255, 255, 255, .15);
  border-radius: 14px;
  background: #080c0e;
  color: #fff;
  font: 800 1.08rem 'Plus Jakarta Sans', sans-serif;
}

.op-roi-field input[type="number"] { padding: 0 17px; outline: none; }
.op-roi-field select { padding: 0 42px 0 17px; outline: none; }

.op-roi-field input:focus,
.op-roi-field select:focus,
.op-roi-input-unit:focus-within {
  border-color: rgba(0, 242, 255, .62);
  box-shadow: 0 0 0 4px rgba(0, 242, 255, .08);
}

.op-roi-input-unit {
  display: flex;
  align-items: center;
  overflow: hidden;
}

.op-roi-input-unit input[type="number"] {
  min-width: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.op-roi-input-unit > b {
  padding-right: 16px;
  color: #9aa7aa;
  font-size: .9rem;
  white-space: nowrap;
}

.op-roi-input-unit--prefix > b:first-child {
  padding: 0 0 0 17px;
  color: var(--opr-green);
  font-size: 1.1rem;
}
.op-roi-input-unit--prefix input { padding-left: 9px !important; }

.op-roi-choice {
  margin: 34px 0 0;
  padding: 28px;
  border: 1px solid rgba(0, 242, 255, .16);
  border-radius: 20px;
  background: rgba(0, 242, 255, .025);
}

.op-roi-choice legend {
  width: 100%;
  padding: 0;
  color: #f2f7f8;
  font-size: 1.35rem;
  font-weight: 900;
  line-height: 1.35;
}

.op-roi-choice legend .op-resource-kicker { margin-bottom: 8px; }
.op-roi-choice > p { margin: 9px 0 20px; color: #9aa6a8; font-size: 1rem; line-height: 1.65; }

.op-roi-choice-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 11px;
}

.op-roi-choice-grid label { position: relative; display: block; cursor: pointer; }
.op-roi-choice-grid input { position: absolute; width: 1px; height: 1px; opacity: 0; }

.op-roi-choice-grid label > span {
  display: flex;
  min-height: 176px;
  padding: 22px;
  box-sizing: border-box;
  border: 2px solid rgba(255, 255, 255, .09);
  border-radius: 16px;
  background: #090d0f;
  flex-direction: column;
  transition: border-color .2s ease, background .2s ease;
}

.op-roi-choice-grid label:hover > span { border-color: rgba(0, 242, 255, .35); }
.op-roi-choice-grid input:focus-visible + span { outline: 3px solid rgba(0, 242, 255, .35); outline-offset: 3px; }
.op-roi-choice-grid input:checked + span { border-color: var(--opr-cyan); background: rgba(0, 242, 255, .07); }
.op-roi-choice-grid input:checked + span::before { content: '\2713'; display: grid; position: absolute; top: 14px; right: 14px; width: 26px; height: 26px; place-items: center; border-radius: 50%; background: var(--opr-cyan); color: #031012; font-size: .9rem; font-weight: 950; }
.op-roi-choice-grid strong { padding-right: 30px; color: #f1f6f7; font-size: 1.12rem; }
.op-roi-choice-grid small { margin: 7px 0 13px; color: var(--opr-cyan); font-size: .94rem; font-weight: 850; }
.op-roi-choice-grid em { color: #9aa6a8; font-size: .94rem; font-style: normal; line-height: 1.6; }

.op-roi-optional-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, .08);
}

.op-roi-results {
  border-color: rgba(55, 230, 138, .22);
  background: radial-gradient(circle at 95% 0, rgba(55, 230, 138, .1), transparent 22rem), linear-gradient(145deg, rgba(11, 19, 16, .98), rgba(5, 8, 9, .99));
}

.op-roi-primary-result {
  margin-top: 28px;
  padding: clamp(25px, 4vw, 38px);
  border: 1px solid rgba(55, 230, 138, .22);
  border-radius: 20px;
  background: rgba(55, 230, 138, .045);
}

.op-roi-primary-result > span,
.op-roi-year-result > span,
.op-roi-money-context > span,
.op-roi-recommendation > span {
  display: block;
  color: #a7b5b0;
  font-size: .82rem;
  font-weight: 900;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.op-roi-primary-result > div { display: flex; align-items: baseline; flex-wrap: wrap; gap: 12px; margin: 10px 0; }
.op-roi-primary-result > div strong { color: #fff; font-size: clamp(3.4rem, 9vw, 6.5rem); font-weight: 950; letter-spacing: -.075em; line-height: .95; }
.op-roi-primary-result > div b { color: #d8e4df; font-size: clamp(1.25rem, 3vw, 1.9rem); line-height: 1.2; }
.op-roi-primary-result p { margin: 14px 0 0; color: #aab8b3; font-size: 1.1rem; line-height: 1.6; }
.op-roi-primary-result p strong { color: var(--opr-green); }

.op-roi-year-result,
.op-roi-money-context,
.op-roi-recommendation {
  margin-top: 13px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, .09);
  border-radius: 18px;
  background: #080c0d;
}

.op-roi-year-result strong { display: block; margin: 9px 0; color: #f5f9fa; font-size: 1.8rem; }
.op-roi-year-result strong b { color: var(--opr-green); }
.op-roi-year-result p,
.op-roi-money-context p,
.op-roi-recommendation p { margin: 8px 0 0; color: #9aa6a8; font-size: 1rem; line-height: 1.65; }

.op-roi-time-compare {
  margin-top: 13px;
  padding: 24px;
  border: 1px solid rgba(0, 242, 255, .15);
  border-radius: 18px;
  background: #080c0d;
}

.op-roi-time-compare__heading { display: flex; justify-content: space-between; gap: 18px; color: #e5ecee; font-size: 1rem; }
.op-roi-time-compare__heading span { color: var(--opr-cyan); font-weight: 800; }
.op-roi-time-track { display: flex; overflow: hidden; height: 16px; margin: 18px 0; border-radius: 999px; background: #30393b; }
.op-roi-time-track span { display: block; width: 50%; background: var(--opr-cyan); }
.op-roi-time-track i { display: block; width: 50%; background: #30393b; }
.op-roi-time-compare dl { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: 0; }
.op-roi-time-compare dl > div { padding: 14px; border: 1px solid rgba(255, 255, 255, .07); border-radius: 13px; background: rgba(255, 255, 255, .018); }
.op-roi-time-compare dt { color: #8f9b9e; font-size: .9rem; line-height: 1.45; }
.op-roi-time-compare dd { margin: 6px 0 0; color: #dce4e5; font-size: 1rem; font-weight: 750; }
.op-roi-time-compare dl > div:nth-child(2) dd { color: var(--opr-cyan); }

.op-roi-money-context { border-color: rgba(255, 191, 91, .16); background: rgba(255, 191, 91, .025); }
.op-roi-money-context > span { color: var(--opr-amber); }
.op-roi-money-context > strong { display: block; margin-top: 9px; color: #f6f0e4; font-size: 1.35rem; }
.op-roi-money-context > strong b { color: var(--opr-amber); }

.op-roi-recommendation { border-color: rgba(170, 130, 255, .22); background: radial-gradient(circle at 100% 0, rgba(170, 130, 255, .09), transparent 14rem), #080c0d; }
.op-roi-recommendation > span { color: var(--opr-purple); }
.op-roi-recommendation h3 { margin: 11px 0 7px; color: #f4f0ff; font-size: 1.35rem; }
.op-roi-recommendation > a { display: flex; align-items: center; justify-content: space-between; min-height: 54px; margin-top: 18px; padding: 0 20px; border-radius: 999px; background: var(--opr-purple); color: #0b0711; font-size: .95rem; font-weight: 950; text-decoration: none; }
.op-roi-recommendation > a:hover { background: #fff; }

.op-roi-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin-top: 11px; }
.op-roi-actions button,
.op-roi-actions a { display: flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 16px; border: 1px solid rgba(255, 255, 255, .13); border-radius: 999px; background: transparent; color: #b7c2c4; font: 850 .94rem 'Plus Jakarta Sans', sans-serif; text-decoration: none; cursor: pointer; }
.op-roi-actions button:hover,
.op-roi-actions a:hover { border-color: rgba(0, 242, 255, .4); color: var(--opr-cyan); }
.op-roi-noscript { color: #ffaaa0; font-size: 1rem; }

.op-roi-uses-grid,
.op-roi-method-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 11px; }
.op-roi-uses-grid article,
.op-roi-method-grid article { padding: 25px; border: 1px solid rgba(255, 255, 255, .08); border-radius: 17px; background: #080c0d; }
.op-roi-uses-grid article > span,
.op-roi-method-grid article > span { display: grid; width: 32px; height: 32px; place-items: center; border: 1px solid rgba(0, 242, 255, .22); border-radius: 50%; color: var(--opr-cyan); font-size: .82rem; font-weight: 900; }
.op-roi-uses-grid h3,
.op-roi-method-grid h3 { margin: 17px 0 9px; color: #edf3f4; font-size: 1.15rem; }
.op-roi-uses-grid p,
.op-roi-method-grid p { margin: 0; color: #99a5a8; font-size: 1rem; line-height: 1.65; }

.op-roi-boundary { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px; margin-top: 11px; }
.op-roi-boundary > div { padding: 22px; border: 1px solid rgba(55, 230, 138, .13); border-radius: 15px; background: rgba(55, 230, 138, .025); }
.op-roi-boundary > div + div { border-color: rgba(255, 191, 91, .14); background: rgba(255, 191, 91, .025); }
.op-roi-boundary strong { color: #d6e0dc; font-size: 1rem; }
.op-roi-boundary p { margin: 8px 0 0; color: #99a5a8; font-size: 1rem; line-height: 1.65; }

.op-roi-evidence { display: grid; grid-template-columns: 1.2fr .8fr; align-items: center; gap: 32px; margin-top: 16px; padding: clamp(28px, 5vw, 48px); border: 1px solid rgba(0, 242, 255, .13); border-radius: 25px; background: radial-gradient(circle at 100% 0, rgba(0, 242, 255, .06), transparent 17rem), #080c0d; }
.op-roi-evidence h2 { margin: 0; color: #f1f6f7; font-size: clamp(1.65rem, 3.5vw, 2.35rem); letter-spacing: -.04em; }
.op-roi-evidence p { margin: 13px 0 0; color: #9aa6a8; font-size: 1rem; line-height: 1.7; }
.op-roi-source-links { display: grid; gap: 9px; }
.op-roi-source-links a { display: flex; align-items: center; justify-content: space-between; min-height: 54px; padding: 0 17px; border: 1px solid rgba(255, 255, 255, .1); border-radius: 13px; color: #b0bcbe; font-size: .92rem; font-weight: 800; text-decoration: none; }
.op-roi-source-links a:hover { border-color: rgba(0, 242, 255, .3); color: var(--opr-cyan); }

@media (max-width: 900px) {
  .op-roi-field-grid,
  .op-roi-choice-grid,
  .op-roi-uses-grid,
  .op-roi-method-grid { grid-template-columns: 1fr; }
  .op-roi-optional-grid,
  .op-roi-evidence { grid-template-columns: 1fr; }
  .op-roi-field > small { min-height: 0; }
  .op-roi-choice-grid label > span { min-height: 0; }
}

@media (max-width: 620px) {
  .op-roi-inputs,
  .op-roi-results { padding: 24px 20px; }
  .op-roi-choice { padding: 22px 18px; }
  .op-roi-time-compare__heading { align-items: flex-start; flex-direction: column; }
  .op-roi-time-compare dl,
  .op-roi-boundary,
  .op-roi-actions { grid-template-columns: 1fr; }
  .op-roi-primary-result > div { align-items: flex-start; flex-direction: column; }
  .op-roi-primary-result > div strong { font-size: 4.2rem; }
}

@media (prefers-reduced-motion: reduce) {
  .op-roi-choice-grid label > span { transition: none; }
}