/* em8 studio — ROI calculator. Tokens from brand.css only. No Inter. No new hex. */

.roi {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 56px var(--gutter) 96px;
}

.roi-crumb {
  margin: 0 0 28px;
}

.roi h1 {
  margin: 0 0 16px;
}

.roi-lede {
  max-width: 58ch;
  margin: 0 0 32px;
}

.roi-hero {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--ink-16);
  margin: 0 0 40px;
}

.roi-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.roi-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--ink-16);
  border-bottom: 1px solid var(--ink-16);
}

.roi-inputs,
.roi-results {
  padding: 40px 32px;
}

.roi-inputs {
  padding-left: 0;
  border-right: 1px solid var(--ink-16);
}

.roi-results {
  padding-right: 0;
}

.roi-inputs h2,
.roi-results h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--t-display-sm);
  letter-spacing: var(--track-display);
  line-height: 1.1;
  margin: 0 0 28px;
  color: var(--ink);
  text-transform: none;
}

.roi-field {
  margin: 0 0 24px;
}

.roi-field label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--t-mono-sm);
  font-weight: 500;
  letter-spacing: var(--track-mono-lg);
  text-transform: uppercase;
  color: var(--oxblood);
  margin: 0 0 10px;
}

.roi-input-row {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--ink-16);
  background: var(--paper);
}

.roi-input-row:focus-within {
  border-color: var(--navy);
}

.roi-affix {
  font-family: var(--font-mono);
  font-size: var(--t-mono-md);
  letter-spacing: var(--track-mono);
  color: var(--ink-60);
  padding: 12px 14px;
  border-right: 1px solid var(--ink-16);
  display: flex;
  align-items: center;
}

.roi-input-row input[type="number"] {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 18px;
  padding: 12px 14px;
  min-width: 0;
}

.roi-input-row input[type="number"]:focus {
  outline: none;
}

.roi-input-row .roi-affix:last-child {
  border-right: none;
  border-left: 1px solid var(--ink-16);
}

.roi-field input[type="range"] {
  width: 100%;
  margin-top: 10px;
  height: 2px;
  background: var(--ink-16);
  border-radius: 0;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.roi-field input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  background: var(--navy);
  border: none;
  cursor: pointer;
}

.roi-field input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--navy);
  border: none;
  cursor: pointer;
}

.roi-stat {
  padding: 20px 0;
  border-bottom: 1px solid var(--ink-16);
}

.roi-stat:first-of-type {
  border-top: 1px solid var(--ink-16);
}

.roi-stat-label {
  font-family: var(--font-mono);
  font-size: var(--t-mono-sm);
  font-weight: 500;
  letter-spacing: var(--track-mono-lg);
  text-transform: uppercase;
  color: var(--ink-60);
  margin: 0 0 8px;
}

.roi-stat-value {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  letter-spacing: var(--track-display);
  line-height: 1;
  color: var(--ink);
  margin: 0 0 6px;
}

.roi-stat-note {
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--ink-soft);
  margin: 0;
}

.roi-bars {
  margin: 32px 0 24px;
}

.roi-bars h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 18px;
  letter-spacing: var(--track-tight);
  margin: 0 0 16px;
  color: var(--ink);
  text-transform: none;
}

.roi-bar-meta {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 4px 12px;
  font-family: var(--font-mono);
  font-size: var(--t-mono-sm);
  letter-spacing: var(--track-mono);
  text-transform: uppercase;
  color: var(--ink-60);
  margin: 0 0 8px;
}

.roi-bar-track {
  height: 12px;
  background: var(--bone);
  border: 1px solid var(--ink-16);
  margin-bottom: 16px;
}

.roi-bar-fill {
  height: 100%;
  min-width: 2px;
}

.roi-bar-fill.is-before {
  background: var(--oxblood);
  width: 100%;
}

.roi-bar-fill.is-after {
  background: var(--navy);
  width: 30%;
}

.roi-method-link {
  display: inline-block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: var(--t-mono-md);
  letter-spacing: var(--track-mono);
  text-transform: uppercase;
  color: var(--navy);
  border-bottom: 1px solid var(--navy);
  padding-bottom: 2px;
}

.roi-method-link:hover {
  color: var(--oxblood);
  border-bottom-color: var(--oxblood);
}

.roi-copy {
  padding: 72px 0 0;
  max-width: 760px;
}

.roi-copy h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--t-display-sm);
  letter-spacing: var(--track-display);
  line-height: 1.1;
  margin: 48px 0 16px;
  color: var(--ink);
  text-transform: none;
}

.roi-copy p,
.roi-copy li {
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink-soft);
}

.roi-copy p {
  margin: 0 0 16px;
}

.roi-copy ul {
  margin: 0 0 16px;
  padding-left: 24px;
}

.roi-formula {
  background: var(--bone);
  border: 1px solid var(--ink-16);
  padding: 24px 28px;
  margin: 20px 0 28px;
}

.roi-formula p {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--ink);
  margin: 0 0 8px;
  line-height: 1.5;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.roi-formula p:last-child {
  margin-bottom: 0;
}

.roi-faq h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 20px;
  letter-spacing: var(--track-tight);
  margin: 28px 0 10px;
  color: var(--ink);
  text-transform: none;
}

@media (max-width: 1024px) {
  .roi-grid {
    grid-template-columns: 1fr;
  }
  .roi-inputs,
  .roi-results {
    padding: 40px 0;
    border-right: none;
  }
  .roi-inputs {
    border-bottom: 1px solid var(--ink-16);
  }
}

@media (max-width: 768px) {
  .roi {
    padding: 36px var(--gutter) 72px;
  }

  .roi h1 {
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  .roi-inputs,
  .roi-results {
    padding: 28px 0;
  }

  .roi-field {
    display: block;
    width: 100%;
  }

  .roi-formula {
    padding: 16px 14px;
  }

  .roi-formula p {
    font-size: 12px;
    letter-spacing: 0;
  }

  .roi-stat-label,
  .roi-field label {
    overflow-wrap: anywhere;
    letter-spacing: 0.12em;
  }

  .roi-stat-value {
    overflow-wrap: anywhere;
  }
}