/* =============================================================
   PROOF ROI ENGINE PAGE
   Strategic / educational — not commercial
   Dark tech aesthetic consistent with platform pages
   ============================================================= */

.roi-page {
  --roi-blue: #0c83df;
  --roi-blue-dim: rgba(12, 127, 218, 0.18);
  --roi-blue-border: rgba(12, 127, 218, 0.28);
  --roi-text: #ecf3f9;
  --roi-muted: rgba(236, 243, 249, 0.62);
  --roi-surface: rgba(17, 39, 71, 0.56);
  --roi-proof: #23a0ff;
}

/* ─── Shared ────────────────────────────────────────────────── */
.roi-container {
  width: min(calc(100% - 64px), 1200px);
  margin-inline: auto;
}

.roi-section {
  padding-top: 88px;
  padding-bottom: 88px;
}

.roi-divider { margin: 0; }

.roi-section-title {
  font-size: clamp(22px, 3vw, 36px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--roi-text);
  margin: 0 0 32px;
}

/* ─── 1. HERO ───────────────────────────────────────────────── */
.roi-hero {
  padding-top: 130px;
  padding-bottom: 80px;
}

.roi-hero__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  align-items: center;
}

.roi-hero__kicker {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--roi-blue);
  margin: 0 0 16px;
}

.roi-hero__title {
  font-size: clamp(32px, 5vw, 60px);
  font-weight: 300;
  line-height: 1.1;
  margin: 0 0 16px;
  color: var(--roi-text);
}

.roi-hero__title strong {
  font-weight: 800;
  color: var(--roi-proof);
}

.roi-hero__subtitle {
  font-size: 20px;
  line-height: 1.55;
  color: var(--roi-muted);
  margin: 0 0 36px;
  font-style: italic;
}

.roi-hero__ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.roi-hero__cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(180deg, #23a0ff, #1178cb);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  padding: 13px 28px;
  border-radius: 6px;
  text-decoration: none;
  transition: opacity 0.15s;
}
.roi-hero__cta-primary:hover { opacity: 0.88; }

.roi-hero__cta-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--roi-blue);
  text-decoration: none;
  border: 1px solid var(--roi-blue-border);
  padding: 12px 24px;
  border-radius: 6px;
  transition: border-color 0.15s, background 0.15s;
}
.roi-hero__cta-secondary:hover {
  background: var(--roi-blue-dim);
  border-color: rgba(12, 127, 218, 0.6);
}

/* Hero visual — abstract eye SVG */
.roi-hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.roi-hero__visual-inner {
  position: relative;
  width: 180px;
  height: 180px;
  display: grid;
  place-items: center;
  background: radial-gradient(circle, rgba(12, 83, 178, 0.18) 0%, transparent 70%);
  border-radius: 50%;
}

.roi-hero__eye-icon {
  animation: roi-pulse 3s ease-in-out infinite;
}

@keyframes roi-pulse {
  0%, 100% { opacity: 0.85; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.04); }
}

.roi-hero__badge {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(12, 127, 218, 0.15);
  border: 1px solid var(--roi-blue-border);
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 10px;
  font-weight: 600;
  color: var(--roi-blue);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ─── 2. INSIGHT ───────────────────────────────────────────── */
.roi-insight__copy p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--roi-muted);
  margin: 0 0 18px;
  max-width: 720px;
}

/* Measured vs Missing gap visual */
.roi-insight__gap-visual {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: center;
  margin: 32px 0;
  max-width: 680px;
}

.roi-insight__gap-item {
  background: var(--roi-surface);
  border: 1px solid var(--roi-blue-border);
  border-radius: 10px;
  padding: 22px 24px;
}

.roi-insight__gap-item--missing {
  border-color: rgba(192, 0, 0, 0.35);
  background: rgba(192, 0, 0, 0.06);
}

.roi-insight__gap-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--roi-blue);
  margin-bottom: 12px;
}

.roi-insight__gap-item--missing .roi-insight__gap-label {
  color: #e86060;
}

.roi-insight__gap-item ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.roi-insight__gap-item ul li {
  font-size: 14px;
  color: var(--roi-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.roi-insight__gap-item ul li::before {
  content: "→";
  color: var(--roi-blue);
  font-weight: 700;
  flex-shrink: 0;
}

.roi-insight__gap-item--missing ul li::before {
  content: "✕";
  color: #e86060;
}

.roi-insight__gap-divider {
  font-size: 28px;
  font-weight: 700;
  color: var(--roi-muted);
  text-align: center;
}

.roi-insight__punchline {
  font-size: 18px !important;
  font-weight: 700 !important;
  font-style: italic;
  color: var(--roi-text) !important;
  border-left: 3px solid var(--roi-blue);
  padding-left: 18px;
  margin-top: 8px !important;
}

/* ─── 3. MODEL CHAIN ───────────────────────────────────────── */
.roi-model__lead {
  font-size: 17px;
  color: var(--roi-muted);
  max-width: 680px;
  margin: -16px 0 40px;
  line-height: 1.65;
}

.roi-model__chain {
  display: flex;
  align-items: center;
  gap: 0;
  overflow-x: auto;
  padding-bottom: 12px;
}

.roi-model__step {
  position: relative;
  background: var(--roi-surface);
  border: 1px solid var(--roi-blue-border);
  border-radius: 10px;
  padding: 28px 22px 24px;
  flex: 1;
  min-width: 160px;
  text-align: center;
}

.roi-model__step--highlight {
  background: linear-gradient(135deg, rgba(12, 83, 178, 0.28) 0%, rgba(7, 30, 65, 0.72) 100%);
  border: 2px solid rgba(12, 127, 218, 0.7);
  box-shadow: 0 0 28px rgba(12, 127, 218, 0.12);
}

.roi-model__step-num {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--roi-blue);
  background: var(--page-bg-deep, #0b1f3a);
  border: 1px solid var(--roi-blue-border);
  border-radius: 4px;
  padding: 2px 8px;
}

.roi-model__step-icon {
  margin: 0 auto 12px;
  width: 44px;
  height: 44px;
  background: var(--roi-blue-dim);
  border-radius: 8px;
  display: grid;
  place-items: center;
}

.roi-model__step-icon img { opacity: 0.85; }

.roi-model__step h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--roi-text);
}

.roi-model__step p {
  font-size: 13px;
  line-height: 1.5;
  color: var(--roi-muted);
  margin: 0;
}

.roi-model__step-badge {
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(90deg, #0070C0, #1178cb);
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: 20px;
  white-space: nowrap;
}

.roi-model__arrow {
  font-size: 22px;
  color: rgba(12, 127, 218, 0.5);
  padding: 0 8px;
  flex-shrink: 0;
  font-weight: 300;
}

.roi-model__note {
  margin-top: 40px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--roi-muted);
  max-width: 680px;
  font-style: italic;
  padding-left: 16px;
  border-left: 2px solid var(--roi-blue-border);
}

/* ─── 4. WHAT MOST MISS ─────────────────────────────────────── */
.roi-miss__blocks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.roi-miss__block {
  background: var(--roi-surface);
  border: 1px solid var(--roi-blue-border);
  border-radius: 10px;
  padding: 28px 24px 28px;
}

.roi-miss__block--assisted {
  border-color: rgba(12, 127, 218, 0.55);
  background: rgba(12, 83, 178, 0.16);
}

.roi-miss__block-icon {
  font-size: 18px;
  color: var(--roi-blue);
  margin-bottom: 12px;
}

.roi-miss__block h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 10px;
  color: var(--roi-text);
}

.roi-miss__block p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--roi-muted);
  margin: 0;
}

/* ─── 5. MISSING LAYER ──────────────────────────────────────── */
.roi-missing-layer__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.roi-missing-layer__body {
  font-size: 17px;
  line-height: 1.7;
  color: var(--roi-muted);
  margin: -16px 0 28px;
}

.roi-missing-layer__elements {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.roi-missing-el {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.roi-missing-el__icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: var(--roi-blue-dim);
  border-radius: 6px;
  display: grid;
  place-items: center;
}

.roi-missing-el__icon img { opacity: 0.85; }

.roi-missing-el strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--roi-text);
  margin-bottom: 3px;
}

.roi-missing-el p {
  font-size: 13px;
  line-height: 1.55;
  color: var(--roi-muted);
  margin: 0;
}

/* Key quotes callout */
.roi-missing-layer__callout {
  background: linear-gradient(135deg, rgba(12, 83, 178, 0.2) 0%, rgba(7, 30, 65, 0.6) 100%);
  border: 1px solid rgba(12, 127, 218, 0.4);
  border-radius: 12px;
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  justify-content: center;
}

.roi-missing-layer__callout p {
  font-size: 17px;
  font-style: italic;
  font-weight: 600;
  color: var(--roi-text);
  margin: 0;
  padding-left: 16px;
  border-left: 3px solid var(--roi-blue);
  line-height: 1.45;
}

.roi-missing-layer__q3 {
  color: var(--roi-proof) !important;
  font-size: 19px !important;
}

/* ─── 6. COMPARISON TABLE ───────────────────────────────────── */
.roi-compare__table-wrap {
  overflow-x: auto;
}

.roi-compare__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.roi-compare__table thead tr {
  background: rgba(12, 127, 218, 0.12);
}

.roi-compare__table th {
  padding: 14px 18px;
  text-align: left;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--roi-blue);
  border-bottom: 2px solid rgba(12, 127, 218, 0.3);
}

.roi-compare__th--proof {
  color: var(--roi-proof) !important;
}

.roi-compare__table tbody tr {
  border-bottom: 1px solid rgba(12, 127, 218, 0.12);
}

.roi-compare__table tbody tr:hover {
  background: rgba(12, 127, 218, 0.06);
}

.roi-compare__table td {
  padding: 14px 18px;
  color: var(--roi-muted);
  vertical-align: top;
}

.roi-compare__table td:first-child {
  font-weight: 600;
  color: var(--roi-text);
  min-width: 180px;
}

.roi-compare__td--proof {
  color: var(--roi-text) !important;
  font-weight: 500;
}

/* ─── 7. CREDIBILITY ────────────────────────────────────────── */
.roi-credibility__inner {
  max-width: 820px;
}

.roi-credibility__body {
  font-size: 17px;
  line-height: 1.7;
  color: var(--roi-muted);
  margin: -16px 0 36px;
}

.roi-credibility__pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.roi-cred-pillar {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--roi-surface);
  border: 1px solid var(--roi-blue-border);
  border-radius: 8px;
  padding: 14px 16px;
  font-size: 14px;
  color: var(--roi-text);
  font-weight: 500;
}

.roi-cred-pillar img { opacity: 0.75; flex-shrink: 0; }

.roi-credibility__disclaimer {
  font-size: 13px;
  color: var(--roi-muted);
  font-style: italic;
  opacity: 0.7;
  margin: 0;
}

/* ─── 8. USE CASES ──────────────────────────────────────────── */
.roi-usecases__lead {
  font-size: 17px;
  line-height: 1.65;
  color: var(--roi-muted);
  max-width: 640px;
  margin: -16px 0 36px;
}

.roi-usecases__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.roi-uc-item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  background: var(--roi-surface);
  border: 1px solid var(--roi-blue-border);
  border-radius: 8px;
  padding: 16px 18px;
}

.roi-uc-item__sector {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--roi-blue);
  white-space: nowrap;
  flex-shrink: 0;
}

.roi-uc-item__value {
  font-size: 14px;
  color: var(--roi-muted);
}

/* ─── 9. CTA ────────────────────────────────────────────────── */
.roi-cta__card {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
  background: linear-gradient(135deg, rgba(12, 83, 178, 0.22) 0%, rgba(7, 30, 65, 0.6) 100%);
  border: 1px solid rgba(12, 127, 218, 0.45);
  border-radius: 14px;
  padding: 56px 44px 48px;
}

.roi-cta__title {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  margin: 0 0 16px;
  color: var(--roi-text);
}

.roi-cta__body {
  font-size: 16px;
  line-height: 1.65;
  color: var(--roi-muted);
  margin: 0 0 36px;
}

.roi-cta__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.roi-cta__btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  padding: 13px 28px;
  border-radius: 6px;
  transition: opacity 0.15s, background 0.15s;
}

.roi-cta__btn--primary {
  background: linear-gradient(180deg, #23a0ff, #1178cb);
  color: #fff;
}
.roi-cta__btn--primary:hover { opacity: 0.88; }

.roi-cta__btn--secondary {
  background: transparent;
  color: var(--roi-blue);
  border: 1px solid rgba(12, 127, 218, 0.4);
}
.roi-cta__btn--secondary:hover {
  background: var(--roi-blue-dim);
  border-color: rgba(12, 127, 218, 0.7);
}

.roi-cta__private-note {
  font-size: 12px;
  color: var(--roi-muted);
  opacity: 0.65;
  margin: 0;
  font-style: italic;
}

/* ─── Responsive ────────────────────────────────────────────── */
@media (max-width: 980px) {
  .roi-hero__inner { grid-template-columns: 1fr; }
  .roi-hero__visual { display: none; }
  .roi-model__chain {
    flex-direction: column;
    align-items: stretch;
  }
  .roi-model__arrow { transform: rotate(90deg); text-align: center; }
  .roi-model__step { min-width: unset; }
  .roi-missing-layer__grid,
  .roi-miss__blocks {
    grid-template-columns: 1fr;
  }
  .roi-credibility__pillars { grid-template-columns: 1fr; }
  .roi-insight__gap-visual {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
  }
  .roi-insight__gap-divider { transform: rotate(90deg); }
}

@media (max-width: 680px) {
  .roi-cta__card { padding: 36px 24px; }
  .roi-cta__actions { flex-direction: column; }
  .roi-cta__btn { justify-content: center; }
}