/* ROI Calculator section — interactive cost savings estimation.
   Loaded after styles-cg.css so it can layer on the design tokens. */

.cg-theme .roi-section {
  background:
    radial-gradient(
      1200px 480px at 85% -10%,
      rgba(28, 115, 255, 0.16),
      transparent 60%
    ),
    linear-gradient(180deg, #f4f9ff 0%, #ffffff 100%);
  padding: 96px 24px;
}

.cg-theme .roi-section .section-heading {
  max-width: 720px;
  margin: 0 auto 40px;
  text-align: center;
}

.cg-theme .roi-section .section-heading h2 {
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.18;
  color: var(--ink);
  margin: 10px 0 12px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.cg-theme .roi-section .section-heading p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
  margin: 0;
}

.cg-theme .roi-card {
  width: min(1100px, 100%);
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 40px clamp(24px, 4vw, 56px);
  display: grid;
  gap: 36px;
}

.cg-theme .roi-inputs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  padding-bottom: 32px;
  border-bottom: 1px dashed var(--line);
}

.cg-theme .roi-field {
  display: grid;
  gap: 12px;
}

.cg-theme .roi-field > span {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.01em;
}

.cg-theme .roi-input-row {
  display: flex;
  align-items: center;
  gap: 16px;
}

.cg-theme .roi-input-row input[type="range"] {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    var(--blue) 0%,
    var(--blue) var(--fill, 50%),
    #dde8f6 var(--fill, 50%),
    #dde8f6 100%
  );
  outline: none;
  cursor: pointer;
}

.cg-theme .roi-input-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--blue);
  box-shadow: 0 4px 14px rgba(28, 115, 255, 0.35);
  cursor: grab;
  transition: transform 0.15s ease;
}

.cg-theme .roi-input-row input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.12);
}

.cg-theme .roi-input-row input[type="range"]::-webkit-slider-thumb:active {
  cursor: grabbing;
  transform: scale(1.05);
}

.cg-theme .roi-input-row input[type="range"]::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--blue);
  box-shadow: 0 4px 14px rgba(28, 115, 255, 0.35);
  cursor: grab;
}

.cg-theme .roi-input-row input[type="range"]:focus-visible {
  outline: 3px solid rgba(28, 115, 255, 0.35);
  outline-offset: 4px;
}

.cg-theme .roi-input-row output {
  min-width: 72px;
  padding: 6px 12px;
  border-radius: 8px;
  background: var(--soft);
  color: var(--blue-dark);
  font-weight: 700;
  font-size: 15px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.cg-theme .roi-results {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.cg-theme .roi-result {
  display: grid;
  gap: 8px;
  padding: 24px 20px;
  border-radius: 14px;
  background: #f7faff;
  border: 1px solid var(--line);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cg-theme .roi-result .roi-label {
  font-size: 13px;
  color: var(--muted);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.cg-theme .roi-result strong {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 800;
  color: var(--ink);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.cg-theme .roi-result em {
  font-style: normal;
  font-size: 13px;
  color: var(--muted);
  font-weight: 500;
}

.cg-theme .roi-result-primary {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  border-color: transparent;
  color: #fff;
  transform: translateY(-4px);
  box-shadow: 0 14px 32px rgba(28, 115, 255, 0.28);
}

.cg-theme .roi-result-primary .roi-label {
  color: rgba(255, 255, 255, 0.86);
}

.cg-theme .roi-result-primary strong {
  color: #fff;
}

.cg-theme .roi-result-primary em {
  color: rgba(255, 255, 255, 0.82);
}

.cg-theme .roi-disclaimer {
  margin: 0;
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.6;
  text-align: center;
  padding: 0 8px;
}

.cg-theme .roi-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  padding-top: 4px;
}

.cg-theme .roi-actions .primary-button,
.cg-theme .roi-actions .secondary-button {
  min-width: 168px;
  text-align: center;
}

/* ── Dark theme variants ── */
.cg-theme.dark .roi-section {
  background:
    radial-gradient(
      1200px 480px at 85% -10%,
      rgba(28, 115, 255, 0.22),
      transparent 60%
    ),
    linear-gradient(180deg, #0c1730 0%, #0a1426 100%);
}

.cg-theme.dark .roi-section .section-heading h2 {
  color: #f1f6ff;
}

.cg-theme.dark .roi-section .section-heading p {
  color: #9bb3d6;
}

.cg-theme.dark .roi-card {
  background: rgba(19, 30, 56, 0.78);
  border-color: rgba(120, 150, 200, 0.22);
}

.cg-theme.dark .roi-inputs {
  border-bottom-color: rgba(120, 150, 200, 0.22);
}

.cg-theme.dark .roi-field > span {
  color: #f1f6ff;
}

.cg-theme.dark .roi-input-row input[type="range"] {
  background: linear-gradient(
    90deg,
    var(--blue) 0%,
    var(--blue) var(--fill, 50%),
    rgba(120, 150, 200, 0.22) var(--fill, 50%),
    rgba(120, 150, 200, 0.22) 100%
  );
}

.cg-theme.dark .roi-input-row output {
  background: rgba(28, 115, 255, 0.16);
  color: #9cc4ff;
}

.cg-theme.dark .roi-result {
  background: rgba(15, 26, 50, 0.7);
  border-color: rgba(120, 150, 200, 0.18);
}

.cg-theme.dark .roi-result .roi-label,
.cg-theme.dark .roi-result em {
  color: #9bb3d6;
}

.cg-theme.dark .roi-result strong {
  color: #f1f6ff;
}

.cg-theme.dark .roi-disclaimer {
  color: #9bb3d6;
}

/* ── Responsive ── */
@media (max-width: 880px) {
  .cg-theme .roi-section {
    padding: 72px 16px;
  }

  .cg-theme .roi-card {
    padding: 28px 20px;
    gap: 28px;
  }

  .cg-theme .roi-inputs {
    grid-template-columns: 1fr;
    gap: 22px;
    padding-bottom: 24px;
  }

  .cg-theme .roi-results {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .cg-theme .roi-result-primary {
    transform: none;
  }
}

@media (max-width: 480px) {
  .cg-theme .roi-actions {
    flex-direction: column;
  }

  .cg-theme .roi-actions .primary-button,
  .cg-theme .roi-actions .secondary-button {
    width: 100%;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .cg-theme .roi-input-row input[type="range"]::-webkit-slider-thumb,
  .cg-theme .roi-result-primary {
    transition: none;
    transform: none;
  }
}