/* ==========================================================================
   CONTENT FUNNEL GUIDE (templates/page-content-funnel-guide.html)
   Funnel diagram, stage headers, example boxes, chips and the numbered
   "where to start" list. Cards, section heads, the page header and the
   closing CTA reuse the shared components.
   ========================================================================== */

/* Orange and green stage colors, as soft fills for backgrounds */
.funnel-band.is-mofu,
.funnel-node.is-mofu {
  --funnel-soft: rgba(var(--color-accent-orange-rgb), 0.14);
}

.funnel-band.is-bofu,
.funnel-node.is-bofu {
  --funnel-soft: rgba(var(--color-brand-green-rgb), 0.14);
}

/* Pills (used in the diagram and on each stage header) */
.funnel-pill {
  display: inline-block;
  padding: 0.35rem 0.8rem;
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
  border-radius: var(--radius-full);
}

.is-tofu .funnel-pill,
.funnel-stage--tofu .funnel-pill {
  color: var(--color-text-secondary);
  border: 1px dashed var(--color-text-tertiary);
}

.is-mofu .funnel-pill,
.funnel-stage--mofu .funnel-pill {
  color: var(--color-on-accent);
  background: var(--color-accent-orange);
}

.is-bofu .funnel-pill,
.funnel-stage--bofu .funnel-pill {
  color: #fff;
  background: var(--color-brand-green);
}

/* Diagram */
.funnel {
  display: grid;
  gap: var(--space-sm);
}

.funnel-band {
  display: block;
  width: 100%;
  margin: 0 auto;
  padding: var(--space-lg) 5rem;
  text-decoration: none;
  color: inherit;
  clip-path: polygon(0 0, 100% 0, calc(100% - 48px) 100%, 48px 100%);
  transition: filter var(--transition-base);
}

.funnel-band:hover {
  filter: brightness(0.97);
}

.funnel-band:focus-visible {
  outline: 2px solid var(--color-accent-orange);
  outline-offset: -4px;
}

.funnel-band.is-tofu {
  background: repeating-linear-gradient(135deg, var(--color-surface-elevated) 0 10px, var(--color-surface) 10px 20px);
}

.funnel-band.is-mofu {
  max-width: 84%;
  background: var(--funnel-soft);
}

.funnel-band.is-bofu {
  max-width: 68%;
  background: var(--funnel-soft);
}

.funnel-band-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-xs) var(--space-lg);
}

.funnel-band-code {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1;
}

.is-tofu .funnel-band-code {
  color: var(--color-text-tertiary);
  text-decoration: line-through;
  text-decoration-thickness: 3px;
}

.is-mofu .funnel-band-code {
  color: var(--color-accent-display);
}

.is-bofu .funnel-band-code {
  color: var(--color-green-text);
}

.funnel-band-who {
  display: block;
  margin-top: var(--space-xs);
  color: var(--color-text-secondary);
}

.funnel-flow {
  text-align: center;
  line-height: 1;
  color: var(--color-text-tertiary);
}

.funnel-hint {
  margin: var(--space-xs) 0 0;
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

/* Stage sections */
.funnel-stage {
  scroll-margin-top: var(--space-3xl);
}

.funnel-tag {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.funnel-tag-label {
  font-size: var(--font-size-sm);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
}

.funnel-stage--tofu .card-grid-item {
  border-color: var(--color-border);
}

.funnel-mark {
  display: inline-grid;
  place-items: center;
  align-self: flex-start;
  width: 28px;
  height: 28px;
  margin-bottom: var(--space-md);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1;
  border-radius: 50%;
}

.funnel-mark.is-x {
  color: var(--color-error);
  border: 2px solid var(--color-error);
}

.funnel-mark.is-ok {
  color: #fff;
  background: var(--color-brand-green);
}

.funnel-eg {
  margin-top: auto;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
}

.funnel-eg-label {
  display: block;
  margin-bottom: var(--space-xs);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
}

/* Cards in this guide don't lift on hover: they aren't links */
.funnel-stage .card-grid-item:hover {
  transform: none;
  box-shadow: none;
  border-color: var(--color-brand-green);
}

.funnel-stage--tofu .card-grid-item:hover {
  border-color: var(--color-border);
}

.funnel-formats {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

.funnel-formats-label {
  margin-right: var(--space-xs);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
}

.funnel-chip {
  padding: 0.4rem 0.9rem;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-primary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
}

.funnel-stage--mofu .funnel-chip {
  border-color: var(--color-accent-orange);
}

.funnel-stage--bofu .funnel-chip {
  border-color: var(--color-brand-green);
}

.funnel-note {
  max-width: 70ch;
  margin: var(--space-md) 0 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.funnel-note strong {
  color: var(--color-text-primary);
}

.funnel-stage-cta {
  margin-top: var(--space-xl);
}

/* How the stages connect */
.funnel-chain {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
  gap: var(--space-md);
  align-items: stretch;
}

.funnel-node {
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-text-tertiary);
  border-radius: var(--radius-lg);
}

.funnel-node.is-mofu {
  border-left-color: var(--color-accent-orange);
}

.funnel-node.is-bofu {
  border-left-color: var(--color-brand-green);
}

.funnel-node strong {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  color: var(--color-text-primary);
}

.funnel-node p {
  margin: var(--space-xs) 0 0;
  color: var(--color-text-secondary);
}

.funnel-arrow {
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  color: var(--color-text-tertiary);
}

/* Where to start: a plain numbered list */
.funnel-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-md) var(--space-lg);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: funnel-step;
}

.funnel-steps li {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: var(--space-lg) var(--space-lg) var(--space-lg) 4rem;
  background: var(--color-surface);
  border: 1px solid var(--color-brand-green);
  border-radius: var(--radius-lg);
  counter-increment: funnel-step;
}

.funnel-steps li::before {
  content: counter(funnel-step);
  position: absolute;
  top: var(--space-lg);
  left: var(--space-lg);
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  font-weight: 700;
  line-height: 1;
  color: #fff;
  background: var(--color-brand-green);
  border-radius: 50%;
}

.funnel-steps strong {
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  line-height: 1.25;
  color: var(--color-text-primary);
}

.funnel-steps span {
  color: var(--color-text-secondary);
}

.funnel-disclaimer {
  margin: var(--space-2xl) 0 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

@media (max-width: 900px) {
  .funnel-chain,
  .funnel-steps {
    grid-template-columns: 1fr;
  }

  .funnel-arrow {
    transform: rotate(90deg);
  }
}

@media (max-width: 600px) {
  .funnel-band {
    padding: var(--space-md) 2.25rem;
    clip-path: polygon(0 0, 100% 0, calc(100% - 20px) 100%, 20px 100%);
  }

  .funnel-band.is-mofu {
    max-width: 92%;
  }

  .funnel-band.is-bofu {
    max-width: 84%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .funnel-band {
    transition: none;
  }
}