/* ==========================================================================
   ROI Calculator · Fractal · v5
   Lens tabs, mobile sticky, lever-color dots, grouped inputs.
   Inherits design tokens from /css/styles.css.
   ========================================================================== */

.roi-body main { background: var(--color-white); }

/* ==========================================================================
   MOBILE STICKY VERDICT BAR
   ========================================================================== */

.roi-mobile-bar {
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  z-index: 50;
  background: white;
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 4px 16px rgba(10, 22, 40, 0.06);
  transform: translateY(-100%);
  transition: transform 220ms var(--ease-out);
  display: none; /* hidden on desktop */
}
.roi-mobile-bar[data-active="true"] { transform: translateY(0); }

.roi-mobile-bar-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem clamp(1rem, 4vw, 1.5rem);
  max-width: var(--container);
  margin: 0 auto;
}
.roi-mobile-bar-text {
  display: flex;
  flex-direction: column;
  gap: 0.0625rem;
  min-width: 0;
}
.roi-mobile-verdict {
  font-family: var(--font-tight);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-navy);
  letter-spacing: -0.005em;
  line-height: 1.2;
}
.roi-mobile-detail {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}
.roi-mobile-bar-tabs {
  display: flex;
  gap: 2px;
  background: var(--color-border);
  border-radius: var(--radius);
  padding: 2px;
  flex-shrink: 0;
}
.roi-mobile-bar-tabs .roi-lens-tab {
  width: 28px;
  height: 28px;
  padding: 0;
  border: none;
  background: transparent;
  font-family: var(--font-tight);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: calc(var(--radius) - 2px);
  display: flex;
  align-items: center;
  justify-content: center;
}
.roi-mobile-bar-tabs .roi-lens-tab .roi-lens-tab-label,
.roi-mobile-bar-tabs .roi-lens-tab .roi-lens-tab-hint {
  display: none;
}
.roi-mobile-bar-tabs .roi-lens-tab-active {
  background: white;
  color: var(--color-navy);
  box-shadow: 0 1px 3px rgba(10, 22, 40, 0.08);
}

@media (max-width: 980px) {
  .roi-mobile-bar { display: block; }
}

/* ==========================================================================
   STAGE
   ========================================================================== */

.roi-stage {
  position: relative;
  padding: clamp(2rem, 4vw, 3rem) 0 clamp(2.5rem, 5vw, 4rem);
  background: color-mix(in srgb, var(--color-navy) 2%, white);
  /* overflow: clip allows position:sticky on descendants while still
     clipping the absolutely positioned background gradient. */
  overflow: clip;
}
.roi-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% -20%, rgba(139, 92, 246, 0.08), transparent 50%),
    radial-gradient(circle at -10% 110%, rgba(47, 111, 235, 0.06), transparent 55%);
  pointer-events: none;
}
.roi-stage > .container { position: relative; z-index: 1; }

.roi-stage-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: clamp(1.25rem, 2.5vw, 2rem);
}
.roi-stage-eyebrow a { color: var(--color-text-muted); transition: color 160ms var(--ease); }
.roi-stage-eyebrow a:hover { color: var(--color-navy); }
.roi-stage-eyebrow .sep { color: var(--color-text-faint); }
.roi-stage-eyebrow .bc-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-violet);
}

/* ==========================================================================
   SPLIT-SCREEN
   ========================================================================== */

.roi-split {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: start;
}
@media (max-width: 980px) {
  .roi-split { grid-template-columns: 1fr; gap: 1.5rem; }
}

.roi-results {
  position: sticky;
  top: 100px;
  align-self: start;
}
@media (max-width: 980px) {
  .roi-results { position: static; }
}

.roi-results-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Right column wrapper: stacks inputs-col + how-math vertically.
   Sticky verdict on the left holds through both. */
.roi-right {
  display: flex;
  flex-direction: column;
  gap: clamp(2.5rem, 5vw, 4rem);
  min-width: 0;
}

/* How the math, inline inside the right col */
.roi-howmath {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding-top: clamp(1.5rem, 3vw, 2.5rem);
  border-top: 1px solid var(--color-border);
}
.roi-howmath-head {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}
.roi-howmath-head h2 {
  font-family: var(--font-tight);
  font-size: clamp(1.5rem, 2.75vw, 2rem);
  font-weight: 600;
  color: var(--color-navy);
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1.15;
}
.roi-howmath-head p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin: 0;
  max-width: 60ch;
}
/* Override the .roi-lever-grid margin-top inside howmath (it was for the standalone section) */
.roi-howmath .roi-lever-grid { margin-top: 0; }
.roi-howmath .roi-sources-block { margin-top: 0; }

/* ==========================================================================
   VERDICT FRAME
   ========================================================================== */

.roi-verdict-frame {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 2.75vw, 2.25rem);
  box-shadow: var(--shadow-card);
  position: relative;
  transition: border-color 350ms var(--ease-out);
  overflow: hidden;
}

.roi-verdict-frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: var(--color-text-faint);
  transition: background 350ms var(--ease-out);
}
.roi-verdict-frame[data-verdict="positive"]::before { background: var(--accent-green); }
.roi-verdict-frame[data-verdict="marginal"]::before { background: var(--accent-violet); }
.roi-verdict-frame[data-verdict="negative"]::before { background: var(--accent-amber); }

.roi-verdict-eyebrow {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-muted);
  font-weight: 600;
  margin-bottom: 1rem;
  padding-right: 56px; /* leave room for absolute icon */
}

/* ==========================================================================
   VERDICT ICON (animated, top-right of frame)
   ========================================================================== */

.roi-verdict-icon-wrap {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 40px;
  height: 40px;
  max-width: 44px;
  max-height: 44px;
  pointer-events: none;
  display: block;
}
.roi-vicon {
  position: absolute;
  top: 0;
  left: 0;
  width: 40px;
  height: 40px;
  max-width: 100%;
  max-height: 100%;
  opacity: 0;
  display: block;
  transition: opacity 300ms var(--ease-out);
}
.roi-verdict-frame[data-verdict="positive"] .roi-vicon-yes,
.roi-verdict-frame[data-verdict="marginal"] .roi-vicon-edge,
.roi-verdict-frame[data-verdict="negative"] .roi-vicon-not-yet { opacity: 1; }
.roi-vicon-yes     { color: #047857; }
.roi-vicon-edge    { color: var(--accent-violet); }
.roi-vicon-not-yet { color: #B45309; }

/* Re-trigger on JS-toggled .roi-icon-anim class on the frame */
.roi-verdict-frame.roi-icon-anim[data-verdict="positive"] .roi-vicon-yes {
  animation: roiIconPop 350ms var(--ease-out);
}
.roi-verdict-frame.roi-icon-anim[data-verdict="positive"] .roi-vicon-check {
  stroke-dasharray: 30;
  stroke-dashoffset: 30;
  animation: roiIconDrawCheck 500ms ease-out 100ms forwards;
}
.roi-verdict-frame.roi-icon-anim[data-verdict="marginal"] .roi-vicon-edge {
  animation: roiIconPop 350ms var(--ease-out);
}
.roi-verdict-frame.roi-icon-anim[data-verdict="marginal"] .roi-vicon-scale {
  animation: roiIconSway 1.6s ease-in-out 200ms;
  transform-origin: 20px 16px;
  transform-box: fill-box;
}
.roi-verdict-frame.roi-icon-anim[data-verdict="negative"] .roi-vicon-not-yet {
  animation: roiIconPop 350ms var(--ease-out);
}
.roi-verdict-frame.roi-icon-anim[data-verdict="negative"] .roi-vicon-minute {
  animation: roiIconClockSweep 900ms var(--ease-out) 100ms;
  transform-origin: 20px 20px;
  transform-box: fill-box;
}

@keyframes roiIconPop {
  0%   { transform: scale(0.85); opacity: 0; }
  100% { transform: scale(1);    opacity: 1; }
}
@keyframes roiIconDrawCheck { to { stroke-dashoffset: 0; } }
@keyframes roiIconSway {
  0%   { transform: rotate(0); }
  25%  { transform: rotate(-4deg); }
  75%  { transform: rotate(4deg); }
  100% { transform: rotate(0); }
}
@keyframes roiIconClockSweep {
  0%   { transform: rotate(-90deg); }
  100% { transform: rotate(0); }
}

/* Lens tabs (Conservative / Median / Optimistic) */
.roi-lens-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  background: var(--color-border);
  border-radius: var(--radius);
  padding: 4px;
  margin-bottom: 1.5rem;
}
.roi-lens-tab {
  border: none;
  background: transparent;
  padding: 0.5rem 0.5rem;
  cursor: pointer;
  border-radius: calc(var(--radius) - 4px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
  transition: background 160ms var(--ease), box-shadow 160ms var(--ease);
}
.roi-lens-tab:hover { background: rgba(255, 255, 255, 0.5); }
.roi-lens-tab-label {
  font-family: var(--font-tight);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: -0.005em;
  transition: color 160ms var(--ease);
}
.roi-lens-tab-hint {
  font-size: 0.6875rem;
  color: var(--color-text-faint);
  letter-spacing: 0.03em;
}
.roi-lens-tab-active {
  background: white;
  box-shadow: 0 1px 3px rgba(10, 22, 40, 0.08);
}
.roi-lens-tab-active .roi-lens-tab-label { color: var(--color-navy); }
.roi-lens-tab-active .roi-lens-tab-hint { color: var(--color-text-muted); }

/* Headline */
.roi-verdict-headline {
  font-family: var(--font-tight);
  font-weight: 600;
  font-size: clamp(2.25rem, 4.75vw, 3.75rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  color: var(--color-navy);
  margin: 0 0 0.5rem;
  transition: color 350ms var(--ease-out);
}
.roi-verdict-frame[data-verdict="positive"] .roi-verdict-headline { color: #047857; }
.roi-verdict-frame[data-verdict="marginal"] .roi-verdict-headline { color: var(--color-navy); }
.roi-verdict-frame[data-verdict="negative"] .roi-verdict-headline { color: #B45309; }

.roi-verdict-headline.roi-pulse { animation: roi-pulse 700ms var(--ease-out); }
@keyframes roi-pulse {
  0%   { transform: translateY(0); opacity: 1; }
  20%  { transform: translateY(-3px); opacity: 0.55; }
  100% { transform: translateY(0); opacity: 1; }
}

.roi-verdict-sub {
  font-family: var(--font-tight);
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.45;
  margin: 0 0 1.25rem;
  font-variant-numeric: tabular-nums;
}

/* Trust line under verdict */
.roi-verdict-trust {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.005em;
}
.roi-dot-tiny {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-green);
  flex-shrink: 0;
}

/* ==========================================================================
   CHART
   ========================================================================== */

.roi-chart {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 2vw, 1.75rem);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.roi-chart-row { display: flex; flex-direction: column; gap: 0.5rem; }

.roi-chart-label { display: flex; flex-direction: column; gap: 0.125rem; }
.roi-chart-label-name {
  font-family: var(--font-tight);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.005em;
}
.roi-chart-label-period {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.roi-chart-bar-wrap {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.875rem;
  align-items: center;
}

.roi-chart-bar {
  display: flex;
  height: 36px;
  background: color-mix(in srgb, var(--color-navy) 4%, transparent);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}

.roi-bar-segment {
  display: flex;
  align-items: center;
  padding: 0 0.625rem;
  height: 100%;
  font-size: 0.75rem;
  font-weight: 500;
  color: white;
  letter-spacing: 0.005em;
  white-space: nowrap;
  overflow: hidden;
  transition: width 600ms var(--ease-out), opacity 300ms var(--ease), filter 300ms var(--ease);
  min-width: 0;
}
.roi-bar-segment[data-lever="1"] { background: var(--accent-violet); }
.roi-bar-segment[data-lever="2"] { background: var(--accent-blue); }
.roi-bar-segment[data-lever="3"] { background: #14B8A6; }
.roi-bar-segment[data-lever="4"] {
  background: var(--accent-amber);
  background-image: repeating-linear-gradient(
    45deg,
    rgba(255,255,255,0.08) 0,
    rgba(255,255,255,0.08) 4px,
    transparent 4px,
    transparent 8px
  );
}
.roi-bar-segment[data-lever="cost"] { background: var(--color-navy); }

/* Pulse a segment when its driving input is focused */
.roi-bar-segment.roi-segment-pulse {
  filter: brightness(1.3) drop-shadow(0 0 6px currentColor);
}

.roi-chart-amount {
  font-family: var(--font-tight);
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--color-navy);
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  min-width: 64px;
  text-align: right;
}

/* NET line */
.roi-chart-net {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.875rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-navy) 2%, white);
  margin-top: 0.25rem;
  transition: background 350ms var(--ease-out), border-color 350ms var(--ease-out);
}
.roi-chart-net-text { display: flex; flex-direction: column; gap: 0.125rem; min-width: 0; }
.roi-chart-net-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.005em;
}
.roi-chart-net-sub {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.3;
}
.roi-chart-net-value {
  font-family: var(--font-tight);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--color-navy);
  transition: color 350ms var(--ease-out);
  white-space: nowrap;
}
.roi-chart-net[data-positive="true"] .roi-chart-net-value { color: #047857; }
.roi-chart-net[data-positive="false"] .roi-chart-net-value { color: #B45309; }
.roi-chart-net[data-positive="true"] {
  border-color: color-mix(in srgb, var(--accent-green) 30%, var(--color-border));
  background: color-mix(in srgb, var(--accent-green) 4%, white);
}
.roi-chart-net[data-positive="false"] {
  border-color: color-mix(in srgb, var(--accent-amber) 30%, var(--color-border));
  background: color-mix(in srgb, var(--accent-amber) 4%, white);
}

/* Legend */
.roi-chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem 1.25rem;
  padding-top: 0.75rem;
  border-top: 1px dashed color-mix(in srgb, var(--color-navy) 8%, transparent);
}
.roi-chart-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-text);
  transition: opacity 200ms var(--ease);
}
.roi-chart-legend-item[data-active="false"] { opacity: 0.35; }
.roi-chart-legend-item em {
  font-style: normal;
  color: var(--color-text-muted);
  font-size: 0.75rem;
}
.roi-chip-dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  flex-shrink: 0;
}
.roi-chart-legend-item[data-lever="1"] .roi-chip-dot { background: var(--accent-violet); }
.roi-chart-legend-item[data-lever="2"] .roi-chip-dot { background: var(--accent-blue); }
.roi-chart-legend-item[data-lever="3"] .roi-chip-dot { background: #14B8A6; }
.roi-chart-legend-item[data-lever="4"] .roi-chip-dot {
  background: var(--accent-amber);
  background-image: repeating-linear-gradient(
    45deg,
    rgba(255,255,255,0.25) 0,
    rgba(255,255,255,0.25) 2px,
    transparent 2px,
    transparent 4px
  );
}

/* ==========================================================================
   CTAs in left column
   ========================================================================== */

.roi-cta-row {
  display: flex;
  gap: 0.625rem;
  flex-wrap: wrap;
}
.roi-cta {
  background: var(--accent-violet);
  color: white;
  border-color: var(--accent-violet);
}
.roi-cta:hover { background: #7C3AED; color: white; }

.btn-ghost {
  background: white;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 160ms var(--ease), background 160ms var(--ease);
}
.btn-ghost:hover { border-color: var(--color-navy); background: color-mix(in srgb, var(--color-navy) 4%, white); }

/* Email opt-in (post-calc, optional, no email gate) */
.roi-email-optin {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  padding: 1rem 1.125rem;
  background: color-mix(in srgb, var(--color-navy) 3%, white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}
.roi-email-optin-text {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.45;
}
.roi-email-optin-text strong {
  font-family: var(--font-tight);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.005em;
}
.roi-email-form {
  display: flex;
  gap: 0.5rem;
}
.roi-email-form input[type="email"] {
  flex: 1;
  min-width: 0;
  height: 40px;
  padding: 0 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: white;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--color-text);
  transition: border-color 160ms var(--ease), box-shadow 160ms var(--ease);
}
.roi-email-form input[type="email"]:focus {
  outline: none;
  border-color: var(--color-navy);
  box-shadow: 0 0 0 3px rgba(10, 22, 40, 0.06);
}
.roi-email-form input[type="email"]:disabled {
  background: color-mix(in srgb, var(--color-navy) 3%, white);
  color: var(--color-text-muted);
  cursor: not-allowed;
}
.roi-email-submit {
  height: 40px;
  padding: 0 1rem;
  background: var(--color-navy);
  color: white;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background 160ms var(--ease), transform 120ms var(--ease);
}
.roi-email-submit:hover { background: #152236; transform: translateY(-1px); }
.roi-email-submit:active { transform: translateY(0); }
.roi-email-submit:disabled {
  background: var(--color-text-faint);
  cursor: not-allowed;
  transform: none;
}
.roi-email-status {
  font-size: 0.8125rem;
  line-height: 1.45;
  padding-top: 0.25rem;
}
.roi-email-status[data-state="success"] { color: #047857; }
.roi-email-status[data-state="error"]   { color: #B45309; }
.roi-email-status[data-state="loading"] { color: var(--color-text-muted); }

@media (max-width: 720px) {
  .roi-email-form { flex-direction: column; }
  .roi-email-submit { width: 100%; }
}

.roi-honesty-note {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin: 0;
}
.roi-honesty-note strong { color: var(--color-navy); font-weight: 600; }

/* ==========================================================================
   RIGHT COLUMN: INPUTS, GROUPED
   ========================================================================== */

.roi-inputs-col {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.roi-inputs-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}
.roi-inputs-eyebrow {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-muted);
  font-weight: 600;
}

/* Group */
.roi-group {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
/* Divider between consecutive groups + before .roi-more */
.roi-group + .roi-group,
.roi-group + .roi-more {
  border-top: 1px solid var(--color-border);
  padding-top: clamp(1.25rem, 2.5vw, 1.75rem);
}
.roi-group-eyebrow {
  font-family: var(--font-tight);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-navy);
  letter-spacing: -0.005em;
  position: relative;
  padding-left: 1rem;
}
.roi-group-eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 14px;
  background: var(--accent-violet);
  border-radius: 2px;
}

/* Input */
.roi-input { display: flex; flex-direction: column; gap: 0.5rem; }

.roi-input-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
}
.roi-input-head label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.3;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.roi-input-current {
  font-family: var(--font-tight);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-navy);
  letter-spacing: -0.005em;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* Lever-color dot on input labels */
.roi-input-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.roi-input-dot[data-lever="1"] { background: var(--accent-violet); }
.roi-input-dot[data-lever="2"] { background: var(--accent-blue); }
.roi-input-dot[data-lever="3"] { background: #14B8A6; }
.roi-input-dot[data-lever="4"] { background: var(--accent-amber); }
.roi-input-dot[data-lever="cost"] { background: var(--color-navy); }
.roi-input-dot[data-lever="multi"] {
  background: linear-gradient(135deg, var(--accent-violet) 0%, var(--accent-violet) 50%, #14B8A6 50%, #14B8A6 100%);
}

/* Tooltip glyph (abbr title) */
.roi-input-head abbr {
  text-decoration: none;
  border: none;
  width: 14px;
  height: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.6875rem;
  cursor: help;
  font-weight: 500;
  transition: background 160ms var(--ease);
  font-style: normal;
}
.roi-input-head abbr:hover { background: var(--color-border); color: var(--color-navy); }

.roi-input-hint {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.45;
}

/* Slider */
.roi-slider {
  appearance: none;
  width: 100%;
  height: 5px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  outline: none;
  cursor: pointer;
  background-image: linear-gradient(var(--color-navy), var(--color-navy));
  background-size: 0% 100%;
  background-repeat: no-repeat;
  transition: background-size 80ms linear;
}
.roi-slider::-webkit-slider-thumb {
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: white;
  border: 3px solid var(--color-navy);
  box-shadow: 0 2px 8px rgba(10, 22, 40, 0.18);
  cursor: grab;
  transition: transform 120ms var(--ease);
}
.roi-slider::-webkit-slider-thumb:hover { transform: scale(1.1); }
.roi-slider::-webkit-slider-thumb:active { cursor: grabbing; transform: scale(0.95); }
.roi-slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: white;
  border: 3px solid var(--color-navy);
  box-shadow: 0 2px 8px rgba(10, 22, 40, 0.18);
  cursor: grab;
}

/* Radio (scenario) */
.roi-radio-group { display: flex; flex-direction: column; gap: 0.5rem; }
.roi-radio {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: white;
  cursor: pointer;
  transition: border-color 160ms var(--ease), background 160ms var(--ease);
}
.roi-radio:hover { border-color: var(--color-text-muted); }
.roi-radio input[type="radio"] {
  margin-top: 0.25rem;
  accent-color: var(--accent-violet);
  flex-shrink: 0;
}
.roi-radio:has(input:checked) {
  border-color: var(--accent-violet);
  background: color-mix(in srgb, var(--accent-violet) 5%, white);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-violet) 12%, transparent);
}
.roi-radio-label {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  font-size: 0.875rem;
}
.roi-radio-label strong { font-weight: 600; color: var(--color-text); }
.roi-radio-label em {
  font-style: normal;
  color: var(--color-text-muted);
  font-size: 0.75rem;
}

/* Checkbox */
.roi-checkbox {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.75rem 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: white;
  cursor: pointer;
  font-size: 0.875rem;
  transition: border-color 160ms var(--ease), background 160ms var(--ease);
}
.roi-checkbox:hover { border-color: var(--color-text-muted); }
.roi-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-violet);
  cursor: pointer;
  flex-shrink: 0;
}
.roi-checkbox:has(input:checked) {
  border-color: var(--accent-violet);
  background: color-mix(in srgb, var(--accent-violet) 5%, white);
}

/* Raise sub-block */
.roi-raise-details {
  margin-top: 0.625rem;
  padding-left: 1rem;
  border-left: 2px solid color-mix(in srgb, var(--accent-amber) 50%, var(--color-border));
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.roi-raise-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 480px) { .roi-raise-grid { grid-template-columns: 1fr; } }

/* Segmented control */
.roi-segmented {
  display: flex;
  gap: 4px;
  background: var(--color-border);
  border-radius: var(--radius);
  padding: 4px;
}
.roi-seg {
  flex: 1;
  padding: 0.5rem 0.75rem;
  border: none;
  background: transparent;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: calc(var(--radius) - 4px);
  transition: background 160ms var(--ease), color 160ms var(--ease);
}
.roi-seg:hover { color: var(--color-navy); }
.roi-seg-active {
  background: white;
  color: var(--color-navy);
  box-shadow: 0 1px 3px rgba(10, 22, 40, 0.08);
}

/* Retainer tier cards */
.roi-tier-group { display: flex; flex-direction: column; gap: 0.5rem; }
.roi-tier {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: white;
  cursor: pointer;
  transition: border-color 160ms var(--ease), background 160ms var(--ease), box-shadow 160ms var(--ease);
}
.roi-tier:hover { border-color: var(--color-text-muted); }
.roi-tier input[type="radio"] {
  margin-top: 0.25rem;
  accent-color: var(--accent-violet);
  flex-shrink: 0;
}
.roi-tier:has(input:checked) {
  border-color: var(--accent-violet);
  background: color-mix(in srgb, var(--accent-violet) 5%, white);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-violet) 12%, transparent);
}
.roi-tier-content {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1;
  min-width: 0;
}
.roi-tier-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
}
.roi-tier-content strong {
  font-family: var(--font-tight);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.005em;
}
.roi-tier-price {
  font-family: var(--font-tight);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-navy);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.roi-tier-content em {
  font-style: normal;
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  line-height: 1.4;
}
.roi-tier-suggest,
.roi-tier-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  align-self: flex-start;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  padding: 2px 0.5rem;
  border-radius: var(--radius-full);
  margin-top: 0.125rem;
}
/* Primary badge: 'Suggested for you' on the recommended tier */
.roi-tier-badge[data-variant="primary"],
.roi-tier-suggest {
  color: var(--accent-green);
  background: color-mix(in srgb, var(--accent-green) 10%, transparent);
}
.roi-tier-badge[data-variant="primary"]::before,
.roi-tier-suggest::before { content: "✓"; font-size: 0.75rem; }
/* Alt badge: 'Also fits' on the other tiers */
.roi-tier-badge[data-variant="alt"] {
  color: var(--color-text-muted);
  background: color-mix(in srgb, var(--color-navy) 5%, transparent);
}

/* When suggested tier is NOT the chosen one, mark it visibly */
.roi-tier[data-suggested-mismatch="true"] {
  border-color: color-mix(in srgb, var(--accent-green) 50%, var(--color-border));
  background: color-mix(in srgb, var(--accent-green) 3%, white);
}

.roi-tier-warning {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.625rem 0.875rem;
  background: color-mix(in srgb, var(--accent-amber) 8%, white);
  border: 1px solid color-mix(in srgb, var(--accent-amber) 30%, var(--color-border));
  border-radius: var(--radius);
  font-size: 0.8125rem;
  color: var(--color-text);
  line-height: 1.4;
}
.roi-tier-warning-icon {
  color: var(--accent-amber);
  flex-shrink: 0;
  font-size: 0.875rem;
}

/* Select */
.roi-select {
  appearance: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: white;
  padding: 0 2.25rem 0 0.875rem;
  height: 44px;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8' fill='none' stroke='%236B7280' stroke-width='1.5'><path d='M1 1L6 6L11 1'/></svg>");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  background-size: 12px;
  width: 100%;
}
.roi-select:focus { outline: none; border-color: var(--color-navy); }

.roi-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.roi-field { display: flex; flex-direction: column; gap: 0.5rem; }
.roi-field label { font-size: 0.875rem; font-weight: 500; color: var(--color-text); }

/* More options collapsible */
.roi-more {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.roi-more summary {
  padding: 0.875rem 1rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 160ms var(--ease);
}
.roi-more summary:hover { background: color-mix(in srgb, var(--color-navy) 4%, white); }
.roi-more summary::-webkit-details-marker { display: none; }
.roi-more summary::after {
  content: "+";
  font-weight: 400;
  font-size: 1.125rem;
  color: var(--color-text-muted);
  transition: transform 200ms var(--ease);
}
.roi-more[open] summary::after { transform: rotate(45deg); }
.roi-more-eyebrow {
  font-family: var(--font-tight);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-navy);
  position: relative;
  padding-left: 1rem;
}
.roi-more-eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 14px;
  background: var(--accent-violet);
  border-radius: 2px;
}
.roi-more-meta {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 400;
}
.roi-more-body {
  padding: 0 1rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border-top: 1px solid var(--color-border);
  padding-top: 1rem;
}

.roi-btn-link {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
  transition: color 160ms var(--ease);
}
.roi-btn-link:hover { color: var(--color-navy); }
.roi-deep-link { align-self: flex-start; margin-top: 0.5rem; }

/* ==========================================================================
   BELOW THE FOLD
   ========================================================================== */

/* .bg-cream removed (Gaetan dislikes cream tones) */

.roi-lever-grid {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  margin-top: 2rem;
}
.roi-lever-card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 160ms var(--ease), box-shadow 160ms var(--ease);
}
.roi-lever-card:hover { border-color: var(--color-text-muted); }
.roi-lever-card[open] {
  border-color: var(--accent-violet);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-violet) 8%, transparent);
}
.roi-lever-card summary {
  display: grid;
  grid-template-columns: auto auto 1fr auto auto;
  align-items: center;
  gap: 0.875rem;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

/* Lever icon block (left of num) */
.roi-lever-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: color-mix(in srgb, currentColor 10%, white);
  flex-shrink: 0;
  transition: background 200ms var(--ease);
}
.roi-lever-icon svg {
  width: 18px;
  height: 18px;
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 400ms var(--ease-out), transform 400ms var(--ease-out);
}
.roi-lever-card[data-lever="1"] .roi-lever-icon { color: var(--accent-violet); }
.roi-lever-card[data-lever="2"] .roi-lever-icon { color: var(--accent-blue); }
.roi-lever-card[data-lever="3"] .roi-lever-icon { color: #14B8A6; }
.roi-lever-card[data-lever="4"] .roi-lever-icon { color: #B45309; }
.roi-lever-card[data-active="false"] .roi-lever-icon { opacity: 0.3; }

/* Visible state (set by IntersectionObserver) */
.roi-lever-card.roi-lever-visible .roi-lever-icon svg {
  opacity: 1;
  transform: scale(1);
}

/* Specific entry animations per lever */
.roi-lever-card.roi-lever-visible[data-lever="1"] .roi-licon-minute {
  animation: roiLicon1Sweep 1.4s ease-out 350ms;
  transform-origin: 12px 12px;
  transform-box: fill-box;
}
.roi-lever-card.roi-lever-visible[data-lever="2"] .roi-licon-coin-bottom {
  animation: roiLicon2Tap 700ms ease-out 350ms;
}
.roi-lever-card.roi-lever-visible[data-lever="4"] .roi-licon-trend {
  stroke-dasharray: 50;
  stroke-dashoffset: 50;
  animation: roiLicon4Draw 800ms ease-out 350ms forwards;
}

@keyframes roiLicon1Sweep {
  0%   { transform: rotate(-45deg); }
  100% { transform: rotate(0); }
}
@keyframes roiLicon2Tap {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-2px); }
}
@keyframes roiLicon4Draw { to { stroke-dashoffset: 0; } }

@media (prefers-reduced-motion: reduce) {
  .roi-vicon, .roi-lever-icon svg, .roi-vicon-check, .roi-vicon-scale, .roi-vicon-minute, .roi-licon-minute, .roi-licon-trend, .roi-licon-coin-bottom {
    animation: none !important;
    transition: none !important;
    opacity: 1;
    transform: none;
    stroke-dashoffset: 0;
  }
}
.roi-lever-card summary::-webkit-details-marker { display: none; }
.roi-lever-num {
  font-family: var(--font-tight);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-faint);
  letter-spacing: 0.04em;
}
.roi-lever-title {
  font-family: var(--font-tight);
  font-weight: 600;
  font-size: 1.0625rem;
  color: var(--color-text);
}
.roi-lever-title em {
  font-style: normal;
  font-weight: 400;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}
.roi-lever-amount {
  font-family: var(--font-tight);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--color-navy);
  font-variant-numeric: tabular-nums;
}
.roi-lever-card[data-active="false"] .roi-lever-amount,
.roi-lever-card[data-active="false"] .roi-lever-title { opacity: 0.35; }
.roi-lever-chevron {
  color: var(--color-text-muted);
  font-size: 1rem;
  transition: transform 200ms var(--ease);
}
.roi-lever-card[open] .roi-lever-chevron { transform: rotate(180deg); }
.roi-lever-body {
  padding: 0 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border-top: 1px solid var(--color-border);
  padding-top: 1.25rem;
  margin-top: 0.25rem;
}
.roi-lever-tagline {
  font-size: 0.9375rem;
  color: var(--color-text);
  margin: 0;
  font-style: italic;
}
.roi-lever-formula {
  background: color-mix(in srgb, var(--color-navy) 3%, white);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.8125rem;
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: auto;
}
.roi-lever-caveat {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin: 0;
}
.roi-lever-ranges {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  padding-top: 0.5rem;
  border-top: 1px dashed var(--color-border);
}
.roi-lever-ranges > div { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.8125rem; }
.roi-lever-ranges strong {
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.6875rem;
}
.roi-lever-ranges span {
  font-family: var(--font-tight);
  font-weight: 600;
  color: var(--color-navy);
  font-size: 1rem;
  font-variant-numeric: tabular-nums;
}
.roi-runway-extension {
  margin: 0;
  padding: 0.625rem 0.875rem;
  background: color-mix(in srgb, var(--accent-blue) 5%, white);
  border-left: 3px solid var(--accent-blue);
  font-size: 0.875rem;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.roi-runway-extension strong { color: var(--accent-blue); }

/* Sources block */
.roi-sources-block {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-top: 1.5rem;
}
.roi-sources-block h3 {
  font-family: var(--font-tight);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 0.75rem;
}
.roi-sources {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}
.roi-sources li {
  padding-left: 1.25rem;
  position: relative;
  font-size: 0.875rem;
  color: var(--color-text);
  line-height: 1.5;
}
.roi-sources li::before { content: "·"; position: absolute; left: 0.5rem; color: var(--color-text-faint); }
.roi-method-notes {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}
.roi-method-notes strong { color: var(--color-navy); font-weight: 600; }

/* FAQ */
.roi-faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  margin-top: 2rem;
}
.roi-faq {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.roi-faq summary {
  padding: 1.125rem 1.25rem;
  font-family: var(--font-tight);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.roi-faq summary::-webkit-details-marker { display: none; }
.roi-faq summary::after {
  content: "+";
  font-weight: 400;
  font-size: 1.25rem;
  color: var(--color-text-muted);
  transition: transform 200ms var(--ease);
  line-height: 1;
}
.roi-faq[open] summary::after { transform: rotate(45deg); }
.roi-faq-body {
  padding: 0 1.25rem 1.25rem;
}
.roi-faq-body p {
  margin: 0 0 0.75rem;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}
.roi-faq-body p:last-child { margin-bottom: 0; }
.roi-faq-list-inner {
  list-style: none;
  padding: 0;
  margin: 0 0 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}
.roi-faq-list-inner li {
  padding-left: 1.25rem;
  position: relative;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}
.roi-faq-list-inner li::before {
  content: "·";
  position: absolute;
  left: 0.5rem;
  color: var(--color-text-faint);
}
.roi-faq-list-inner strong { color: var(--color-text); font-weight: 600; }

.roi-final-cta {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}
.roi-final-cta p {
  font-family: var(--font-tight);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-text);
  margin: 0;
}

/* ==========================================================================
   MOBILE
   ========================================================================== */

@media (max-width: 980px) {
  .roi-verdict-frame { padding: 1.5rem; }
  .roi-verdict-headline { font-size: clamp(1.875rem, 8vw, 2.5rem); }
  .roi-row { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .roi-chart-bar-wrap { grid-template-columns: 1fr auto; }
  .roi-chart-amount { font-size: 1.125rem; }
  .roi-chart-net-value { font-size: 1.25rem; }
  .roi-cta-row .btn { width: 100%; justify-content: center; text-align: center; }
  .roi-lever-card summary {
    grid-template-columns: auto auto 1fr auto;
    gap: 0.5rem;
    padding: 1rem;
  }
  .roi-lever-chevron { display: none; }
  .roi-lever-icon { width: 28px; height: 28px; }
  .roi-lever-icon svg { width: 16px; height: 16px; }
  .roi-lever-ranges { grid-template-columns: 1fr; }
  .roi-lens-tab-hint { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .roi-bar-segment, .roi-toggle-thumb, .roi-verdict-headline, .roi-mobile-bar {
    animation: none !important;
    transition: none !important;
  }
}