/* ==========================================================
   Rightlander Engine, 2-Track (Regulated / eCommerce)
   Deck-aligned: "Helping advertisers monitor their affiliates
                  for risk & revenue"
   Used on: homepage, /solutions/ecommerce.html, /products/*
   ========================================================== */

.engine-section {
  padding: clamp(72px, 9vw, 120px) 0;
  background:
    radial-gradient(900px 500px at 15% 100%, rgba(14, 109, 255, .08), transparent 60%),
    radial-gradient(900px 500px at 85% 0%, rgba(255, 214, 0, .06), transparent 60%),
    var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}

.engine-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto clamp(40px, 5vw, 64px);
}
.engine-header .eyebrow { margin-bottom: 14px; }
.engine-header h2 {
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  margin: 0 0 18px;
  font-weight: 700;
}
.engine-header h2 .accent-text {
  color: var(--color-accent);
  font-style: normal;
  font-weight: 700;
}
.engine-header p {
  color: var(--color-ink-2);
  font-size: clamp(16px, 1.15vw, 18px);
  line-height: 1.6;
  margin: 0 auto;
  max-width: 640px;
}
@media (max-width: 640px) { .hide-sm { display: none; } }

/* ---------- Two tracks side by side ---------- */
.engine-tracks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(18px, 2vw, 28px);
  max-width: 1180px;
  margin: 0 auto;
}
@media (max-width: 900px) {
  .engine-tracks { grid-template-columns: 1fr; }
}

.track {
  background: var(--color-surface-2);
  border: 1px solid var(--color-divider);
  border-radius: 20px;
  padding: clamp(24px, 3vw, 36px);
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.track::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), rgba(75, 212, 255, .6));
  opacity: 0.5;
}
.track-revenue::before {
  background: linear-gradient(90deg, #F5B800, #FFD93D);
  opacity: 0.75;
}
.track:hover {
  transform: translateY(-3px);
  border-color: rgba(14, 109, 255, .3);
  box-shadow: 0 20px 50px -24px rgba(14, 109, 255, .25);
}
.track-revenue:hover {
  border-color: rgba(245, 184, 0, .4);
  box-shadow: 0 20px 50px -24px rgba(245, 184, 0, .3);
}

.track-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.track-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.track-pill-risk {
  background: rgba(14, 109, 255, .1);
  color: var(--color-accent);
  border: 1px solid rgba(14, 109, 255, .2);
}
.track-pill-revenue {
  background: rgba(245, 184, 0, .12);
  color: #9A6E00;
  border: 1px solid rgba(245, 184, 0, .25);
}
[data-theme="dark"] .track-pill-revenue { color: #FFD93D; }

.track-head h3 {
  font-size: clamp(22px, 2.2vw, 28px);
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: -0.015em;
  margin: 4px 0 0;
}
.track-head > p {
  font-size: 15px;
  color: var(--color-ink-2);
  line-height: 1.55;
  margin: 0;
}

.track-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.track-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 14px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: 12px;
  position: relative;
}
.track-step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 28px;
  bottom: -9px;
  width: 2px;
  height: 8px;
  background: var(--color-divider);
}
.track-step-num {
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  background: rgba(14, 109, 255, .08);
  color: var(--color-accent);
  border: 1px solid rgba(14, 109, 255, .2);
}
.track-revenue .track-step-num {
  background: rgba(245, 184, 0, .12);
  color: #9A6E00;
  border-color: rgba(245, 184, 0, .3);
}
[data-theme="dark"] .track-revenue .track-step-num { color: #FFD93D; }

.track-step h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-ink);
  margin: 2px 0 4px;
  letter-spacing: -0.005em;
}
.track-step p {
  font-size: 14px;
  color: var(--color-ink-2);
  line-height: 1.55;
  margin: 0;
}

.track-cta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  margin-top: 4px;
}
.track-cta:hover { text-decoration: underline; }
.track-revenue .track-cta { color: #9A6E00; }
[data-theme="dark"] .track-revenue .track-cta { color: #FFD93D; }

.engine-footnote {
  text-align: center;
  color: var(--color-ink-3);
  font-size: 14px;
  margin: 32px auto 0;
}
.engine-footnote a {
  color: var(--color-accent);
  font-weight: 600;
  text-decoration: none;
}
.engine-footnote a:hover { text-decoration: underline; }

/* ========================================================
   New honest 5-stage engine flow (used on homepage)
   Rebuilt 2026-04-17: lines are layout, not absolute SVG.
   Yellow brand palette (#F5B800). Mobile-first.
   ======================================================== */
.engine-flow {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.engine-row {
  display: grid;
  gap: clamp(16px, 2vw, 28px);
}
.engine-row-top {
  grid-template-columns: 1fr;
  justify-items: center;
}
.engine-row-top > .engine-stage { max-width: 440px; width: 100%; }

.engine-row-middle {
  grid-template-columns: 1fr 1.25fr 1fr;
  align-items: center;
}
.engine-row-bottom {
  grid-template-columns: 1fr 1fr 1fr;
}

@media (max-width: 860px) {
  .engine-row-middle,
  .engine-row-bottom { grid-template-columns: 1fr; }
}

/* -------- Stage card -------- */
.engine-stage {
  background: var(--color-surface-2);
  border: 1px solid var(--color-divider);
  border-radius: 14px;
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow: 0 1px 0 rgba(15, 23, 42, .04), 0 10px 30px -18px rgba(15, 23, 42, .18);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  position: relative;
}
.engine-stage:hover {
  transform: translateY(-2px);
  border-color: rgba(245, 184, 0, .35);
  box-shadow: 0 1px 0 rgba(15, 23, 42, .04), 0 16px 40px -18px rgba(245, 184, 0, .25);
}
.engine-stage-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: #9A6E00;
  font-weight: 600;
  letter-spacing: .04em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
[data-theme="dark"] .engine-stage-num { color: #FFD93D; }
.engine-stage h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-ink, var(--color-text));
  margin: 0;
  letter-spacing: -0.01em;
}
.engine-stage p {
  font-size: 14px;
  color: var(--color-ink-2, var(--color-text-muted));
  margin: 0;
  line-height: 1.5;
}

/* Revenue stage emphasis: yellow border + subtle fill */
.engine-stage-revenue {
  background: linear-gradient(135deg, rgba(245, 184, 0, .08), rgba(255, 217, 61, .04));
  border-color: rgba(245, 184, 0, .35);
}
.engine-stage-revenue::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, #F5B800, #FFD93D);
  border-radius: 14px 14px 0 0;
  opacity: 0.9;
}

/* Revenue badge inline with stage number */
.engine-revenue-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(245, 184, 0, .18);
  color: #7a5500;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  border: 1px solid rgba(245, 184, 0, .35);
}
[data-theme="dark"] .engine-revenue-badge {
  color: #1a1300;
  background: #FFD93D;
  border-color: #FFD93D;
}

/* -------- Signal cards -------- */
.engine-signal-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.engine-signal {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-left: 3px solid #F5B800;
  border-radius: 10px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.engine-signal-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-ink, var(--color-text));
}
.engine-signal-sub {
  font-size: 12px;
  color: var(--color-ink-3, var(--color-text-muted));
}

/* -------- Connectors (between rows) -------- */
.engine-connector {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
}
.engine-connector-down {
  height: 32px;
}
.engine-connector-down::before {
  content: "";
  width: 2px;
  height: 100%;
  background: linear-gradient(to bottom, #F5B800, rgba(245, 184, 0, .3));
}
.engine-connector-down::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 7px solid #F5B800;
}
.engine-connector-branch {
  height: 48px;
  padding: 0 clamp(80px, 14vw, 170px);
}
.engine-connector-branch svg {
  width: 100%;
  height: 100%;
  display: block;
}
.engine-connector-branch svg path {
  fill: none;
  stroke: #F5B800;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

@media (max-width: 860px) {
  /* On mobile the three-column rows collapse to one column,
     and the branched connector doesn't make sense, use simple down arrows. */
  .engine-connector-branch {
    height: 24px;
    padding: 0;
  }
  .engine-connector-branch svg { display: none; }
  .engine-connector-branch::before {
    content: "";
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, #F5B800, rgba(245, 184, 0, .3));
  }
  .engine-connector-branch::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 7px solid #F5B800;
  }
  .engine-connector-down { height: 24px; }
}

/* -------- Legend (colored dots that actually show) -------- */
.engine-legend {
  display: flex;
  justify-content: center;
  gap: clamp(20px, 3vw, 40px);
  margin-top: clamp(28px, 4vw, 44px);
  flex-wrap: wrap;
}
.engine-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-ink-2, var(--color-text-muted));
  font-weight: 500;
}
.engine-legend-dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  flex-shrink: 0;
}
.engine-legend-dot-revenue {
  background: linear-gradient(135deg, #F5B800, #FFD93D);
  border: 1px solid rgba(245, 184, 0, .6);
}
.engine-legend-dot-signal {
  background: var(--color-surface);
  border: 2px solid #F5B800;
}

/* ========================================================
   Legacy 5-stage diagram classes (retained for /products/
   pages that may want the detailed scan-graph view)
   ======================================================== */
.engine-diagram {
  max-width: 1180px;
  margin: 0 auto;
  position: relative;
}
.engine-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  grid-template-rows: auto auto auto auto auto;
  gap: 24px 40px;
  align-items: center;
  grid-template-areas:
    ".         stage-1   ."
    "signals-l stage-2   signals-r-1"
    "signals-l stage-2   signals-r-2"
    "signals-l stage-2   signals-r-3"
    "stage-3   stage-4   stage-5";
}
.stage {
  background: var(--color-surface-2);
  border: 1px solid var(--color-divider);
  border-radius: 14px;
  padding: 20px 22px;
  box-shadow: 0 1px 0 rgba(15, 23, 42, .04), 0 10px 30px -18px rgba(15, 23, 42, .18);
  display: flex; flex-direction: column; gap: 6px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.stage .stage-num { font-family: var(--font-mono); font-size: 12px; color: var(--color-accent); font-weight: 600; letter-spacing: .04em; }
.stage h3 { font-size: 18px; font-weight: 700; color: var(--color-ink); margin: 0; letter-spacing: -0.01em; }
.stage p { font-size: 14px; color: var(--color-ink-2); margin: 0; line-height: 1.5; }
.stage.is-revenue {
  background: linear-gradient(135deg, rgba(14, 109, 255, .06), rgba(75, 212, 255, .04));
  border-color: rgba(14, 109, 255, .3);
}
.signal {
  background: var(--color-surface);
  border: 1px solid var(--color-accent);
  border-left-width: 3px;
  border-radius: 10px; padding: 12px 14px;
  display: flex; flex-direction: column; gap: 2px;
}
.signal-label { font-size: 13px; font-weight: 600; color: var(--color-ink); }
.signal-sub { font-size: 12px; color: var(--color-ink-3); }
.signal-stack { display: flex; flex-direction: column; gap: 10px; }
.slot-signals-l { grid-area: signals-l; align-self: center; }
.slot-signals-r-1 { grid-area: signals-r-1; align-self: start; }
.slot-signals-r-2 { grid-area: signals-r-2; align-self: center; }
.slot-signals-r-3 { grid-area: signals-r-3; align-self: end; }
.slot-1 { grid-area: stage-1; } .slot-2 { grid-area: stage-2; }
.slot-3 { grid-area: stage-3; } .slot-4 { grid-area: stage-4; }
.slot-5 { grid-area: stage-5; }
.engine-lines { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.engine-lines line, .engine-lines path { stroke: var(--color-divider); stroke-width: 1.5; fill: none; }
.engine-lines .is-primary { stroke: var(--color-accent); stroke-width: 2; }
/* ---- Mobile layout: linear, readable flow ---- */
@media (max-width: 860px) {
  .engine-diagram { max-width: 560px; padding-inline: 4px; }
  .engine-grid {
    display: flex;
    flex-direction: column;
    grid-template-columns: none;
    grid-template-rows: none;
    grid-template-areas: none;
    gap: 14px;
    align-items: stretch;
  }
  .engine-grid > * { grid-area: auto !important; width: 100%; }

  /* Reorder so signals sit logically UNDER the stage that surfaces them.
     DOM order: Stage1, signals-L (3), Stage2, sig-R-1, sig-R-2, sig-R-3, Stage3, Stage4, Stage5
     Target mobile order:
       1. Stage 01 Discovery
       2. Stage 02 Exposure
       3. All 6 surfaced signals (grouped heading implied)
       4. Stage 03 Compliance
       5. Stage 04 Growth
       6. Stage 05 Convert
  */
  .slot-1             { order: 1; }
  .slot-2             { order: 2; }
  .slot-signals-l     { order: 3; }
  .slot-signals-r-1   { order: 4; }
  .slot-signals-r-2   { order: 5; }
  .slot-signals-r-3   { order: 6; }
  .slot-3             { order: 7; }
  .slot-4             { order: 8; }
  .slot-5             { order: 9; }

  /* Stack the left-side signal group into a clean vertical list */
  .slot-signals-l { gap: 10px; }

  /* Unify signal card sizing on mobile for a consistent rhythm */
  .signal {
    padding: 12px 14px;
    border-radius: 10px;
    background: var(--color-surface);
    border: 1px solid var(--color-divider);
    border-left: 3px solid var(--color-accent);
  }

  /* Make stage cards a touch roomier so taps feel right */
  .stage { padding: 16px 16px; border-radius: 12px; }
  .stage h3 { font-size: 17px; }
  .stage p { font-size: 13.5px; }

  /* Draw a subtle vertical flow-line on the left so the steps feel connected */
  .engine-grid { position: relative; padding-left: 18px; }
  .engine-grid::before {
    content: "";
    position: absolute;
    left: 6px; top: 14px; bottom: 14px;
    width: 2px;
    background: linear-gradient(
      to bottom,
      var(--color-accent) 0,
      var(--color-accent) 30%,
      rgba(14,109,255,0.35) 60%,
      transparent 100%
    );
    border-radius: 2px;
  }
  .engine-grid > *::before {
    content: "";
    position: absolute;
    left: -14px;
    top: 22px;
    width: 10px; height: 10px;
    border-radius: 999px;
    background: var(--color-bg);
    border: 2px solid var(--color-accent);
  }
  .engine-grid > * { position: relative; }
  .stage.is-revenue::before { background: var(--color-accent); }

  /* Hide SVG connectors on mobile (we use the vertical line above) */
  .engine-lines { display: none; }

  /* Legend */
  .engine-legend { flex-wrap: wrap; gap: 12px; justify-content: center; }
}

@media (max-width: 480px) {
  .engine-diagram { padding-inline: 0; }
  .engine-grid { padding-left: 16px; }
  .engine-grid::before { left: 5px; }
  .engine-grid > *::before { left: -12px; width: 9px; height: 9px; }
}