/* ==========================================================================
   Datil Energy Systems — Traction Fleet TCO & Shift-Duty ROI Engine
   Light Industrial Technical Palette (matches index.css)
   ========================================================================== */

:root {
  --roi-bg: #FFFFFF;
  --roi-surface: #F3F7FB;
  --roi-surface-alt: #E8F1FA;
  --roi-border: #D9E8F5;
  --roi-border-strong: #B8D2EB;
  --roi-ink: #18222B;
  --roi-ink-muted: #465666;
  --roi-ink-faint: #738699;
  --roi-blue: #2F6B9E;
  --roi-blue-dark: #23537D;
  --roi-ochre: #BD8237;
  --roi-ochre-bg: #FDF7EE;
  --roi-green: #1E7A4C;
  --roi-green-bg: #EDF8F2;
  --roi-red: #B83227;
  --roi-red-bg: #FDF2F1;
  --roi-lead: #6E7B85;
  --roi-font-head: 'Jost', -apple-system, BlinkMacSystemFont, sans-serif;
  --roi-font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --roi-font-mono: 'IBM Plex Mono', monospace;
  --roi-radius: 4px;
}

* {
  box-sizing: border-box;
}

body.roi-body {
  margin: 0;
  padding: 0;
  background: var(--roi-bg);
  color: var(--roi-ink);
  font-family: var(--roi-font-body);
  font-size: 15px;
  line-height: 1.55;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── Top Navigation Bar ─────────────────────────────────────────────────── */
.roi-topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--roi-border);
  padding: 0.75rem 1.5rem;
}

.roi-topbar-inner {
  max-width: 1380px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.roi-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--roi-ink);
}

.roi-brand img,
.roi-brand svg.roi-logo-svg {
  height: 26px;
  width: auto;
  display: block;
}

@media (max-width: 520px) {
  .roi-container {
    padding: 1.25rem 0.9rem 3rem;
  }
  .roi-topbar {
    padding: 0.6rem 0.9rem;
  }
  .roi-input-panel,
  .roi-card,
  .roi-verdict-banner {
    padding: 1rem;
  }
  .roi-radio-group {
    grid-template-columns: repeat(2, 1fr);
  }
  .roi-row-2 {
    grid-template-columns: 1fr;
  }
}

.roi-brand-sub {
  font-family: var(--roi-font-mono);
  font-size: 0.76rem;
  color: var(--roi-ink-muted);
  border-left: 1px solid var(--roi-border-strong);
  padding-left: 0.75rem;
  letter-spacing: 0.04em;
}

.roi-nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.roi-nav-link {
  font-family: var(--roi-font-mono);
  font-size: 0.78rem;
  color: var(--roi-ink-muted);
  text-decoration: none;
  padding: 0.4rem 0.75rem;
  border-radius: var(--roi-radius);
  border: 1px solid transparent;
  transition: all 0.15s ease;
}

.roi-nav-link:hover {
  color: var(--roi-blue);
  background: var(--roi-surface);
}

.roi-nav-link.active {
  color: var(--roi-blue-dark);
  background: var(--roi-surface-alt);
  border-color: var(--roi-border-strong);
  font-weight: 600;
}

/* ── Main Container & Headers ───────────────────────────────────────────── */
.roi-container {
  max-width: 1380px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.roi-eyebrow {
  font-family: var(--roi-font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--roi-blue);
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.roi-title {
  font-family: var(--roi-font-head);
  font-size: clamp(1.65rem, 2.6vw, 2.35rem);
  font-weight: 600;
  color: var(--roi-ink);
  text-transform: lowercase;
  letter-spacing: -0.01em;
  margin: 0 0 0.6rem 0;
  line-height: 1.2;
}

.roi-lead {
  font-size: 1rem;
  color: var(--roi-ink-muted);
  max-width: 820px;
  margin: 0 0 1.75rem 0;
}

/* ── Two-Door Landing Grid (/roi/) ──────────────────────────────────────── */
.roi-doors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.5rem;
  margin: 1.5rem 0 2rem;
}

.roi-door-card {
  background: var(--roi-surface);
  border: 1px solid var(--roi-border);
  border-top: 4px solid var(--roi-blue);
  border-radius: var(--roi-radius);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.roi-door-card.priority-door {
  border-top-color: var(--roi-ochre);
  background: linear-gradient(180deg, #FDF9F2 0%, #F3F7FB 48%);
}

.roi-door-card:hover {
  border-color: var(--roi-blue);
  box-shadow: 0 8px 24px rgba(24, 34, 43, 0.06);
}

.roi-door-badge {
  display: inline-block;
  font-family: var(--roi-font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.22rem 0.6rem;
  border-radius: 3px;
  background: var(--roi-surface-alt);
  color: var(--roi-blue-dark);
  font-weight: 600;
  margin-bottom: 0.85rem;
}

.roi-door-card.priority-door .roi-door-badge {
  background: #F9EBD4;
  color: #87581D;
}

.roi-door-card h2 {
  font-family: var(--roi-font-head);
  font-size: 1.45rem;
  font-weight: 600;
  text-transform: lowercase;
  margin: 0 0 0.65rem 0;
  color: var(--roi-ink);
}

.roi-door-specs {
  list-style: none;
  padding: 0;
  margin: 1rem 0 1.5rem;
  border-top: 1px solid var(--roi-border);
}

.roi-door-specs li {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--roi-border);
  font-size: 0.86rem;
}

.roi-door-specs li span:first-child {
  color: var(--roi-ink-muted);
}

.roi-door-specs li span:last-child {
  font-family: var(--roi-font-mono);
  font-weight: 600;
  color: var(--roi-ink);
  text-align: right;
}

/* ── Calculator Workspace Layout (Inputs Left, Live Dossier Right) ─────── */
.roi-workspace {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 1.75rem;
  align-items: start;
}

@media (max-width: 1080px) {
  .roi-workspace {
    grid-template-columns: 1fr;
  }
}

.roi-input-panel {
  background: var(--roi-surface);
  border: 1px solid var(--roi-border);
  border-radius: var(--roi-radius);
  padding: 1.35rem;
  position: sticky;
  top: 68px;
  max-height: calc(100vh - 84px);
  overflow-y: auto;
}

@media (max-width: 1080px) {
  .roi-input-panel {
    position: static;
    max-height: none;
  }
}

.roi-mode-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
  background: var(--roi-bg);
  padding: 0.3rem;
  border: 1px solid var(--roi-border);
  border-radius: var(--roi-radius);
  margin-bottom: 1.15rem;
}

.roi-mode-tab {
  font-family: var(--roi-font-mono);
  font-size: 0.76rem;
  padding: 0.48rem 0.5rem;
  border: none;
  background: transparent;
  color: var(--roi-ink-muted);
  cursor: pointer;
  border-radius: 3px;
  font-weight: 500;
  text-align: center;
}

.roi-mode-tab.active {
  background: var(--roi-blue);
  color: #FFFFFF;
  font-weight: 600;
}

/* ── Form Controls (Following Modern Web Guidance Forms Best Practices) ── */
.roi-fieldset {
  border: none;
  border-top: 1px solid var(--roi-border);
  padding: 1rem 0 0.25rem;
  margin: 0.85rem 0 0;
}

.roi-fieldset:first-of-type {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}

.roi-legend {
  font-family: var(--roi-font-mono);
  font-size: 0.73rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--roi-blue-dark);
  font-weight: 600;
  padding: 0 0.4rem 0 0;
  margin-bottom: 0.65rem;
}

.roi-field {
  margin-bottom: 0.9rem;
}

.roi-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--roi-ink);
  margin-bottom: 0.32rem;
}

.roi-hint {
  font-size: 0.74rem;
  color: var(--roi-ink-muted);
  margin-top: 0.24rem;
  line-height: 1.35;
}

.roi-input,
.roi-select {
  width: 100%;
  padding: 0.52rem 0.65rem;
  font-family: var(--roi-font-mono);
  font-size: 0.85rem;
  color: var(--roi-ink);
  background: var(--roi-bg);
  border: 1px solid var(--roi-border-strong);
  border-radius: var(--roi-radius);
  transition: border-color 0.15s ease;
}

.roi-input:focus,
.roi-select:focus {
  outline: none;
  border-color: var(--roi-blue);
  box-shadow: 0 0 0 2px rgba(47, 107, 158, 0.15);
}

.roi-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

/* Radio Pill Group for < 6 Mutually Exclusive Options */
.roi-radio-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(95px, 1fr));
  gap: 0.4rem;
}

.roi-radio-option {
  position: relative;
}

.roi-radio-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.roi-radio-option label {
  display: block;
  text-align: center;
  padding: 0.46rem 0.5rem;
  font-family: var(--roi-font-mono);
  font-size: 0.75rem;
  background: var(--roi-bg);
  border: 1px solid var(--roi-border-strong);
  border-radius: var(--roi-radius);
  color: var(--roi-ink-muted);
  cursor: pointer;
  user-select: none;
  transition: all 0.12s ease;
}

.roi-radio-option input[type="radio"]:checked + label {
  background: var(--roi-surface-alt);
  border-color: var(--roi-blue);
  color: var(--roi-blue-dark);
  font-weight: 600;
}

.roi-radio-option input[type="radio"]:focus-visible + label {
  outline: 2px solid var(--roi-blue);
  outline-offset: 1px;
}

/* Source Tag Badges [F] [R] [A] */
.roi-tag {
  display: inline-block;
  font-family: var(--roi-font-mono);
  font-size: 0.66rem;
  font-weight: 600;
  padding: 0.08rem 0.34rem;
  border-radius: 2px;
  vertical-align: middle;
  letter-spacing: 0.03em;
}

.roi-tag-F {
  background: #E3F0FB;
  color: #1D5585;
  border: 1px solid #B5D5F2;
}

.roi-tag-R {
  background: #F4EFE6;
  color: #7A541E;
  border: 1px solid #E3D1B4;
}

.roi-tag-A {
  background: #EBF5EE;
  color: #1E6B43;
  border: 1px solid #BCE0C8;
}

/* ── Results Column & Verdict Banner ────────────────────────────────────── */
.roi-results-col {
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
  min-width: 0;
}

.roi-verdict-banner {
  background: var(--roi-surface);
  border: 1px solid var(--roi-border);
  border-left: 5px solid var(--roi-blue);
  border-radius: var(--roi-radius);
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.roi-verdict-banner.honest-no {
  border-left-color: var(--roi-ochre);
  background: var(--roi-ochre-bg);
}

.roi-verdict-text {
  flex: 1;
  min-width: 260px;
}

.roi-verdict-headline {
  font-family: var(--roi-font-head);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--roi-ink);
  margin: 0.2rem 0 0.45rem;
  line-height: 1.35;
}

.roi-verdict-meta {
  font-family: var(--roi-font-mono);
  font-size: 0.75rem;
  color: var(--roi-ink-muted);
}

.roi-action-bar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.roi-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--roi-font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.55rem 0.95rem;
  border-radius: var(--roi-radius);
  border: 1px solid var(--roi-border-strong);
  background: var(--roi-bg);
  color: var(--roi-ink);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.15s ease;
}

.roi-btn:hover {
  border-color: var(--roi-blue);
  color: var(--roi-blue);
}

.roi-btn-primary {
  background: var(--roi-blue);
  border-color: var(--roi-blue);
  color: #FFFFFF;
}

.roi-btn-primary:hover {
  background: var(--roi-blue-dark);
  color: #FFFFFF;
}

/* ── Buyer Persona Switcher (Operations / Budget Now vs. CFO 10-Yr TCO) ── */
.roi-kpi-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(195px, 1fr));
  gap: 0.9rem;
}

.roi-kpi-card {
  background: var(--roi-bg);
  border: 1px solid var(--roi-border);
  border-top: 3px solid var(--roi-blue);
  border-radius: var(--roi-radius);
  padding: 1rem 1.15rem;
}

.roi-kpi-card.kpi-green {
  border-top-color: var(--roi-green);
}

.roi-kpi-card.kpi-ochre {
  border-top-color: var(--roi-ochre);
}

.roi-kpi-label {
  font-family: var(--roi-font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--roi-ink-muted);
  margin-bottom: 0.35rem;
}

.roi-kpi-val {
  font-family: var(--roi-font-mono);
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--roi-ink);
  line-height: 1.2;
}

.roi-kpi-sub {
  font-size: 0.76rem;
  color: var(--roi-ink-muted);
  margin-top: 0.3rem;
}

/* ── Section Cards ──────────────────────────────────────────────────────── */
.roi-card {
  background: var(--roi-bg);
  border: 1px solid var(--roi-border);
  border-radius: var(--roi-radius);
  padding: 1.35rem 1.5rem;
}

.roi-card-ops {
  border-top: 3px solid var(--roi-ochre);
  background: linear-gradient(180deg, #FFFCF7 0%, #FFFFFF 60px);
}

.roi-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--roi-border);
}

.roi-card-title {
  font-family: var(--roi-font-head);
  font-size: 1.18rem;
  font-weight: 600;
  text-transform: lowercase;
  margin: 0;
  color: var(--roi-ink);
}

.roi-card-subtitle {
  font-size: 0.82rem;
  color: var(--roi-ink-muted);
  margin: 0.2rem 0 0;
}

/* ── Pareto Partial-Fleet ("Budget Stretcher") Box ──────────────────────── */
.roi-pareto-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.roi-pareto-box {
  background: var(--roi-surface);
  border: 1px solid var(--roi-border);
  border-radius: var(--roi-radius);
  padding: 1rem 1.15rem;
}

.roi-pareto-box.highlight {
  background: var(--roi-green-bg);
  border-color: #B7E1C9;
}

.roi-pareto-box h4 {
  font-family: var(--roi-font-mono);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 0.45rem;
  color: var(--roi-ink-muted);
}

.roi-pareto-price {
  font-family: var(--roi-font-mono);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--roi-ink);
  margin-bottom: 0.35rem;
}

/* ── Data Tables ────────────────────────────────────────────────────────── */
.roi-table-wrap {
  width: 100%;
  overflow-x: auto;
}

.roi-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.83rem;
}

.roi-table th,
.roi-table td {
  padding: 0.58rem 0.7rem;
  border-bottom: 1px solid var(--roi-border);
  text-align: left;
}

.roi-table th {
  background: var(--roi-surface);
  font-family: var(--roi-font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--roi-ink-muted);
  font-weight: 600;
}

.roi-table td.num,
.roi-table th.num {
  text-align: right;
  font-family: var(--roi-font-mono);
}

.roi-table tr.row-recommended {
  background: #F0F7FF;
}

.roi-table tr.row-fail {
  background: var(--roi-red-bg);
}

.roi-status-pill {
  display: inline-block;
  font-family: var(--roi-font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.14rem 0.45rem;
  border-radius: 3px;
}

.roi-status-pass {
  background: var(--roi-green-bg);
  color: var(--roi-green);
}

.roi-status-fail {
  background: var(--roi-red-bg);
  color: var(--roi-red);
}

/* ── SVG Charts Grid ────────────────────────────────────────────────────── */
.roi-charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 1.25rem;
}

@media (max-width: 600px) {
  .roi-charts-grid {
    grid-template-columns: 1fr;
  }
}

.roi-svg-container {
  width: 100%;
  background: #FAFCFF;
  border: 1px solid var(--roi-border);
  border-radius: var(--roi-radius);
  padding: 0.5rem;
}

.roi-svg-container svg {
  width: 100%;
  height: auto;
  display: block;
}

.roi-radio-group.roi-radio-grid-2 {
  grid-template-columns: 1fr 1fr;
}

.roi-verdict-sub {
  font-size: 0.94rem;
  color: var(--roi-ink-muted);
  margin: 0 0 0.55rem 0;
  line-height: 1.5;
  max-width: 780px;
}

/* ── 3-Tier Apple-Style Upgrade Cards ───────────────────────────────────── */
.roi-tiers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

@media (max-width: 960px) {
  .roi-tiers-grid {
    grid-template-columns: 1fr;
  }
}

.roi-tier-card {
  background: var(--roi-bg);
  border: 1px solid var(--roi-border-strong);
  border-top: 4px solid var(--roi-lead);
  border-radius: var(--roi-radius);
  padding: 1.15rem 1.2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.roi-tier-card.tier-std {
  border-top-color: var(--roi-blue);
}

.roi-tier-card.tier-pro {
  border-top-color: var(--roi-ochre);
}

.roi-tier-card.is-recommended {
  background: linear-gradient(180deg, #F5FAFF 0%, #FFFFFF 90px);
  border-color: var(--roi-blue);
  box-shadow: 0 6px 20px rgba(47, 107, 158, 0.09);
}

.roi-tier-card.tier-pro.is-recommended {
  background: linear-gradient(180deg, #FFFBF4 0%, #FFFFFF 90px);
  border-color: var(--roi-ochre);
  box-shadow: 0 6px 20px rgba(189, 130, 55, 0.11);
}

.roi-tier-top {
  margin-bottom: 0.85rem;
}

.roi-tier-badges {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 0.45rem;
}

.roi-tier-kicker {
  font-family: var(--roi-font-mono);
  font-size: 0.69rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--roi-ink-muted);
  font-weight: 600;
}

.roi-tier-rec-pill {
  font-family: var(--roi-font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  background: var(--roi-blue);
  color: #FFFFFF;
}

.roi-tier-card.tier-pro .roi-tier-rec-pill {
  background: var(--roi-ochre);
}

.roi-tier-title {
  font-family: var(--roi-font-head);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--roi-ink);
  margin: 0 0 0.3rem 0;
  line-height: 1.25;
}

.roi-tier-desc {
  font-size: 0.81rem;
  color: var(--roi-ink-muted);
  margin: 0 0 0.8rem 0;
  line-height: 1.42;
}

.roi-tier-price-box {
  background: var(--roi-surface);
  border: 1px solid var(--roi-border);
  border-radius: 3px;
  padding: 0.65rem 0.8rem;
  margin-bottom: 0.85rem;
}

.roi-tier-price-lbl {
  font-family: var(--roi-font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  color: var(--roi-ink-muted);
}

.roi-tier-price-val {
  font-family: var(--roi-font-mono);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--roi-ink);
  line-height: 1.25;
}

.roi-tier-price-delta {
  font-size: 0.75rem;
  color: var(--roi-ink-muted);
}

.roi-tier-specs {
  list-style: none;
  padding: 0;
  margin: 0 0 0.85rem 0;
  border-top: 1px solid var(--roi-border);
}

.roi-tier-specs li {
  padding: 0.48rem 0;
  border-bottom: 1px solid var(--roi-border);
  font-size: 0.81rem;
  line-height: 1.38;
}

.roi-tier-specs li strong {
  display: block;
  font-family: var(--roi-font-mono);
  font-size: 0.69rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--roi-ink-muted);
  margin-bottom: 0.12rem;
}

.roi-tier-footer {
  background: var(--roi-surface);
  border-radius: 3px;
  padding: 0.6rem 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.79rem;
}

.roi-tier-footer strong {
  font-family: var(--roi-font-mono);
  font-size: 0.92rem;
  color: var(--roi-ink);
}

/* ── Workday Clock Timeline Bar ─────────────────────────────────────────── */
.roi-timeline-wrap {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.roi-timeline-ticks {
  display: flex;
  justify-content: space-between;
  font-family: var(--roi-font-mono);
  font-size: 0.72rem;
  color: var(--roi-ink-muted);
  padding: 0 2px;
  border-bottom: 1px dashed var(--roi-border-strong);
  padding-bottom: 0.3rem;
}

.roi-timeline-row {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.roi-timeline-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.roi-timeline-title {
  font-weight: 600;
  font-size: 0.86rem;
  color: var(--roi-ink);
}

.roi-timeline-note {
  font-size: 0.78rem;
  color: var(--roi-ink-muted);
}

.roi-timeline-bar {
  display: flex;
  width: 100%;
  height: 36px;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--roi-border-strong);
  background: var(--roi-surface);
}

.roi-seg {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.35rem;
  font-family: var(--roi-font-mono);
  font-size: 0.71rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: clip;
  border-right: 1px solid rgba(255, 255, 255, 0.45);
}

.roi-seg.seg-boost,
.roi-seg.seg-warn {
  min-width: 46px;
  padding: 0 0.25rem;
  flex-shrink: 0;
}

.roi-seg:last-child {
  border-right: none;
}

.roi-seg.seg-good {
  background: #DCE8F2;
  color: #223A4E;
}

.roi-seg.seg-warn {
  background: #F9E3B8;
  color: #7A4F0D;
}

.roi-seg.seg-dead {
  background: #D94336;
  color: #FFFFFF;
}

.roi-seg.seg-charge {
  background: #E7ECEF;
  color: #5C6B77;
}

.roi-seg.seg-lfp {
  background: #2F6B9E;
  color: #FFFFFF;
}

.roi-seg.seg-pro {
  background: #1E7A4C;
  color: #FFFFFF;
}

.roi-seg.seg-boost {
  background: #BD8237;
  color: #FFFFFF;
}

.roi-seg.seg-idle {
  background: #EDF4FA;
  color: #3D5B75;
}

/* ── Monthly Facility, HR Schedule & Smart Budget Split Grid ────────────── */
.roi-wins-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

@media (max-width: 780px) {
  .roi-wins-grid {
    grid-template-columns: 1fr;
  }
}

.roi-win-card {
  background: var(--roi-surface);
  border: 1px solid var(--roi-border);
  border-radius: var(--roi-radius);
  padding: 1.05rem 1.2rem;
}

.roi-win-card.is-highlight {
  background: var(--roi-ochre-bg);
  border-color: #E7C89B;
  border-left: 4px solid var(--roi-ochre);
}

.roi-win-kicker {
  font-family: var(--roi-font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--roi-blue);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.roi-win-card.is-highlight .roi-win-kicker {
  color: #8F5B16;
}

.roi-win-title {
  font-family: var(--roi-font-head);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--roi-ink);
  margin: 0 0 0.35rem 0;
}

.roi-win-body {
  font-size: 0.83rem;
  color: var(--roi-ink-muted);
  margin: 0;
  line-height: 1.48;
}

/* ── 10-Year Spend Stacked Horizontal Bars (Boss / Finance Summary) ─────── */
.roi-spend-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
  margin-top: 1.1rem;
}

.roi-spend-row {
  display: flex;
  flex-direction: column;
  gap: 0.32rem;
}

.roi-spend-head {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--roi-ink);
}

.roi-spend-head span:last-child {
  font-family: var(--roi-font-mono);
}

.roi-spend-track {
  display: flex;
  height: 30px;
  border-radius: 4px;
  overflow: hidden;
  background: var(--roi-surface);
  border: 1px solid var(--roi-border);
}

.roi-spend-seg {
  height: 100%;
  border-right: 1px solid rgba(255, 255, 255, 0.6);
}

.roi-spend-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.78rem;
  color: var(--roi-ink-muted);
  margin-top: 0.3rem;
}

.roi-spend-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  margin-right: 0.35rem;
  vertical-align: middle;
}

/* ── Native <details> CFO & Accounting Disclosure ───────────────────────── */
details.roi-cfo-drawer {
  background: var(--roi-surface);
  border: 1px solid var(--roi-border-strong);
  border-radius: var(--roi-radius);
  overflow: hidden;
}

details.roi-cfo-drawer > summary {
  list-style: none;
  cursor: pointer;
  padding: 0.95rem 1.35rem;
  font-family: var(--roi-font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--roi-ink);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  user-select: none;
}

details.roi-cfo-drawer > summary::-webkit-details-marker {
  display: none;
}

details.roi-cfo-drawer > summary::after {
  content: '+ show finance & accounting audit';
  font-size: 0.74rem;
  color: var(--roi-blue);
  background: var(--roi-bg);
  border: 1px solid var(--roi-border-strong);
  padding: 0.25rem 0.6rem;
  border-radius: 3px;
}

details.roi-cfo-drawer[open] > summary {
  border-bottom: 1px solid var(--roi-border);
  background: var(--roi-surface-alt);
}

details.roi-cfo-drawer[open] > summary::after {
  content: '− hide finance & accounting audit';
}

.roi-cfo-drawer-body {
  padding: 1.25rem 1.35rem;
  background: var(--roi-bg);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Print Dossier Styles (A4 Portrait) */
@media print {
  @page {
    size: A4 portrait;
    margin: 12mm 14mm;
  }

  body.roi-body {
    background: #FFFFFF !important;
    color: #18222B !important;
    font-size: 10pt;
  }

  .no-print,
  .roi-topbar,
  .roi-input-panel,
  .roi-action-bar {
    display: none !important;
  }

  .roi-workspace {
    display: block !important;
  }

  .roi-print-page {
    page-break-after: always;
    break-after: page;
    min-height: 262mm;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }

  .roi-print-page:last-child {
    page-break-after: auto;
    break-after: auto;
  }
}