/**
 * PVG Why-BU Component v1.0.0
 *
 * Mobile-first, container-query driven and fully scoped to .pvg-why-bu.
 */

@property --pvg-why-bu-reveal {
  syntax: "<number>";
  inherits: true;
  initial-value: 1;
}

.pvg-why-bu {
  --pvg-why-bu-primary: var(--pvg-lp-color-primary, #00498e);
  --pvg-why-bu-accent: var(--pvg-lp-color-secondary, #58bd9c);
  --pvg-why-bu-accent-dark: #176f5d;
  --pvg-why-bu-text: #14293b;
  --pvg-why-bu-muted: #526a7f;
  --pvg-why-bu-surface: #ffffff;
  --pvg-why-bu-background: #f7fafc;
  --pvg-why-bu-tint: #eaf7f3;
  --pvg-why-bu-border: #d5e5ee;
  --pvg-why-bu-focus: var(--pvg-lp-color-focus, #ffbf47);
  --pvg-why-bu-radius: 24px;
  --pvg-why-bu-card-radius: 20px;
  --pvg-why-bu-shadow: 0 22px 56px rgb(0 73 142 / 8%);
  --pvg-why-bu-gutter: clamp(1rem, 4vw, 2.5rem);
  --pvg-why-bu-max-width: 1280px;
  --pvg-why-bu-animation-duration: 360ms;
  --pvg-why-bu-reveal: 1;

  position: relative;
  isolation: isolate;
  box-sizing: border-box;
  container-name: pvg-why-bu;
  container-type: inline-size;
  width: 100%;
  max-width: 100%;
  padding: clamp(1rem, 3vw, 2rem);
  overflow-x: hidden;
  overflow-x: clip;
  color: var(--pvg-why-bu-text);
  background: var(--pvg-why-bu-background);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.pvg-why-bu[data-pvg-theme="dentist"] {
  --pvg-why-bu-tint: #edf7fb;
}

.pvg-why-bu[data-pvg-theme="veterinary"] {
  --pvg-why-bu-tint: #eaf8f2;
}

.pvg-why-bu[data-pvg-theme="pharmacy"] {
  --pvg-why-bu-tint: #f1f8eb;
}

.pvg-why-bu[data-pvg-theme="psychology"] {
  --pvg-why-bu-tint: #f2f0fa;
}

.pvg-why-bu[data-pvg-theme="student"] {
  --pvg-why-bu-tint: #eaf7f3;
}

.pvg-why-bu *,
.pvg-why-bu *::before,
.pvg-why-bu *::after {
  box-sizing: border-box;
}

.pvg-why-bu__background {
  position: absolute;
  z-index: -1;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.pvg-why-bu__background::before,
.pvg-why-bu__background::after {
  position: absolute;
  width: min(45rem, 90vw);
  aspect-ratio: 1;
  content: "";
  background: var(--pvg-why-bu-tint);
  border-radius: 50%;
  filter: blur(1px);
  opacity: 0.72;
}

.pvg-why-bu__background::before {
  top: -26rem;
  right: -18rem;
}

.pvg-why-bu__background::after {
  bottom: -33rem;
  left: -20rem;
}

.pvg-why-bu__inner {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  width: min(100%, var(--pvg-why-bu-max-width));
  margin-inline: auto;
  padding: clamp(1.25rem, 4vw, 4rem);
  background: rgb(255 255 255 / 88%);
  border: 1px solid var(--pvg-why-bu-border);
  border-radius: var(--pvg-why-bu-radius);
  box-shadow: var(--pvg-why-bu-shadow);
}

.pvg-why-bu__header {
  max-width: 54rem;
}

.pvg-why-bu__decision {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  align-items: center;
  margin-bottom: 1.25rem;
  color: var(--pvg-why-bu-muted);
  font-size: 0.8125rem;
  font-weight: 750;
  line-height: 1.4;
}

.pvg-why-bu__decision svg {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  fill: none;
  stroke: var(--pvg-why-bu-accent-dark);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pvg-why-bu__decision-after {
  color: var(--pvg-why-bu-accent-dark);
}

.pvg-why-bu__eyebrow,
.pvg-why-bu__story-eyebrow {
  margin: 0 0 0.625rem;
  color: var(--pvg-why-bu-accent-dark);
  font-size: clamp(0.75rem, 2.8vw, 0.875rem);
  font-weight: 800;
  letter-spacing: 0.075em;
  line-height: 1.4;
  text-transform: uppercase;
}

.pvg-why-bu__title {
  max-width: 21ch;
  margin: 0;
  color: var(--pvg-why-bu-primary);
  font-size: clamp(1.75rem, 7.2vw, 3.5rem);
  font-weight: 800;
  hyphens: auto;
  letter-spacing: -0.025em;
  line-height: 1.08;
  overflow-wrap: break-word;
}

.pvg-why-bu__description {
  max-width: 66ch;
  margin: 1rem 0 0;
  color: var(--pvg-why-bu-muted);
  font-size: clamp(1.0625rem, 3.5vw, 1.25rem);
  line-height: 1.62;
}

.pvg-why-bu__intro {
  display: grid;
  gap: 0.875rem;
  max-width: 72ch;
}

.pvg-why-bu__intro p,
.pvg-why-bu__summary p,
.pvg-why-bu__story-description,
.pvg-why-bu__quote p,
.pvg-why-bu__cta-content p {
  margin: 0;
}

.pvg-why-bu__intro p {
  color: var(--pvg-why-bu-text);
  font-size: clamp(1rem, 3.3vw, 1.125rem);
  line-height: 1.72;
}

.pvg-why-bu__cards {
  display: grid;
  grid-auto-rows: 1fr;
  gap: 1rem;
  align-items: stretch;
}

.pvg-why-bu-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-content: start;
  gap: 0.75rem 1rem;
  min-width: 0;
  height: 100%;
  padding: clamp(1.125rem, 3vw, 1.5rem);
  background: var(--pvg-why-bu-surface);
  border: 1px solid var(--pvg-why-bu-border);
  border-radius: var(--pvg-why-bu-card-radius);
  box-shadow: 0 12px 30px rgb(0 73 142 / 5%);
}

.pvg-why-bu-card__icon {
  display: inline-grid;
  grid-row: 1 / span 2;
  place-items: center;
  width: 3rem;
  aspect-ratio: 1;
  color: var(--pvg-why-bu-accent-dark);
  background: var(--pvg-why-bu-tint);
  border: 1px solid color-mix(in srgb, var(--pvg-why-bu-accent) 42%, white);
  border-radius: 14px;
}

.pvg-why-bu-card__icon svg,
.pvg-why-bu__summary > svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentcolor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pvg-why-bu-card__title {
  align-self: end;
  margin: 0;
  color: var(--pvg-why-bu-primary);
  font-size: clamp(1.125rem, 3.8vw, 1.375rem);
  line-height: 1.25;
}

.pvg-why-bu-card__description {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--pvg-why-bu-muted);
  line-height: 1.65;
}

.pvg-why-bu-card__statistic {
  display: flex;
  grid-column: 1 / -1;
  flex-wrap: wrap;
  gap: 0.35rem 0.65rem;
  align-items: baseline;
  margin: 0;
  padding-top: 0.75rem;
  color: var(--pvg-why-bu-muted);
  border-top: 1px solid var(--pvg-why-bu-border);
}

.pvg-why-bu-card__statistic strong {
  color: var(--pvg-why-bu-primary);
  font-size: 1.25rem;
}

.pvg-why-bu-card__link {
  display: inline-flex;
  grid-column: 1 / -1;
  gap: 0.4rem;
  align-items: center;
  justify-self: start;
  min-height: 2.75rem;
  color: var(--pvg-why-bu-primary);
  font-weight: 750;
  text-underline-offset: 0.2em;
}

.pvg-why-bu-card__link svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentcolor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 160ms ease;
}

.pvg-why-bu-card__link:hover svg {
  transform: translateX(3px);
}

.pvg-why-bu__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.875rem;
  align-items: start;
  padding: clamp(1rem, 3vw, 1.5rem);
  color: var(--pvg-why-bu-text);
  background: color-mix(in srgb, var(--pvg-why-bu-tint) 72%, white);
  border: 1px solid color-mix(in srgb, var(--pvg-why-bu-accent) 38%, white);
  border-radius: var(--pvg-why-bu-card-radius);
}

.pvg-why-bu__summary > svg {
  color: var(--pvg-why-bu-accent-dark);
}

.pvg-why-bu__summary p {
  max-width: 78ch;
  line-height: 1.65;
}

.pvg-why-bu__story {
  display: grid;
  gap: 1.25rem;
  padding: clamp(1.25rem, 4vw, 2rem);
  background: var(--pvg-why-bu-surface);
  border: 1px solid var(--pvg-why-bu-border);
  border-left: 5px solid var(--pvg-why-bu-accent);
  border-radius: var(--pvg-why-bu-card-radius);
}

.pvg-why-bu__conclusion {
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  color: var(--pvg-why-bu-text);
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--pvg-why-bu-tint) 78%, white),
    #ffffff
  );
}

.pvg-why-bu__conclusion-icon {
  display: inline-grid;
  place-items: center;
  width: 3rem;
  aspect-ratio: 1;
  color: var(--pvg-why-bu-accent-dark);
  background: #ffffff;
  border: 1px solid color-mix(in srgb, var(--pvg-why-bu-accent) 42%, white);
  border-radius: 14px;
}

.pvg-why-bu__conclusion-icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentcolor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pvg-why-bu__story-figure {
  display: grid;
  gap: 1.25rem;
  margin: 0;
}

.pvg-why-bu__story-title,
.pvg-why-bu__cta-content h3 {
  margin: 0;
  color: var(--pvg-why-bu-primary);
  font-size: clamp(1.35rem, 4.2vw, 2rem);
  line-height: 1.2;
}

.pvg-why-bu__story-description,
.pvg-why-bu__quote p {
  margin-top: 0.75rem;
  color: var(--pvg-why-bu-muted);
  line-height: 1.68;
}

.pvg-why-bu__quote {
  margin: 0;
  padding: 1rem;
  background: var(--pvg-why-bu-tint);
  border-radius: 16px;
}

.pvg-why-bu__quote p {
  color: var(--pvg-why-bu-text);
  font-style: italic;
}

.pvg-why-bu__quote cite {
  display: block;
  margin-top: 0.625rem;
  color: var(--pvg-why-bu-muted);
  font-size: 0.8125rem;
  font-style: normal;
}

.pvg-why-bu__takeaway {
  display: grid;
  gap: 0.25rem;
  margin: 0;
  padding-top: 1rem;
  color: var(--pvg-why-bu-muted);
  border-top: 1px solid var(--pvg-why-bu-border);
}

.pvg-why-bu__takeaway strong {
  color: var(--pvg-why-bu-accent-dark);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.pvg-why-bu__cta {
  display: grid;
  gap: 1.25rem;
  padding: clamp(1.25rem, 4vw, 2.25rem);
  color: var(--pvg-why-bu-text);
  background: linear-gradient(135deg, var(--pvg-why-bu-tint), #ffffff);
  border: 1px solid color-mix(in srgb, var(--pvg-why-bu-accent) 44%, white);
  border-radius: var(--pvg-why-bu-card-radius);
}

.pvg-why-bu__cta-content p {
  max-width: 62ch;
  margin-top: 0.625rem;
  color: var(--pvg-why-bu-muted);
  line-height: 1.6;
}

.pvg-why-bu__cta-actions {
  display: grid;
  gap: 1.5rem;
}

.pvg-why-bu__cta-action {
  display: grid;
  gap: 0.45rem;
}

.pvg-why-bu__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.125rem;
  font-weight: 800;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: 999px;
  transition:
    color 160ms ease,
    background-color 160ms ease,
    border-color 160ms ease,
    transform 160ms ease;
}

.pvg-why-bu__button--primary {
  color: #00366b;
  background: var(--pvg-why-bu-accent);
  box-shadow: 0 12px 28px rgb(88 189 156 / 28%);
}

.pvg-why-bu__button--secondary {
  min-height: 3rem;
  color: #ffffff;
  background: var(--pvg-why-bu-primary);
}

.pvg-why-bu__button:hover {
  transform: translateY(-2px);
}

.pvg-why-bu__button--primary:hover {
  color: #ffffff;
  background: var(--pvg-why-bu-accent-dark);
}

.pvg-why-bu__button--secondary:hover {
  color: #ffffff;
  background: #003b74;
}

.pvg-why-bu__button:focus-visible,
.pvg-why-bu-card__link:focus-visible {
  outline: 3px solid var(--pvg-why-bu-focus);
  outline-offset: 3px;
}

.pvg-why-bu__cta-microcopy {
  margin: 0;
  color: var(--pvg-why-bu-muted);
  font-size: 0.8125rem;
  font-weight: 700;
  line-height: 1.4;
  text-align: center;
}

.pvg-why-bu__summary[hidden],
.pvg-why-bu__story[hidden] {
  display: none;
}

.pvg-why-bu.pvg-why-bu--enhanced .pvg-why-bu-card,
.pvg-why-bu.pvg-why-bu--enhanced .pvg-why-bu__story {
  --pvg-why-bu-reveal: 0;

  opacity: var(--pvg-why-bu-reveal);
  transform: translateY(calc((1 - var(--pvg-why-bu-reveal)) * 14px));
  transition:
    opacity var(--pvg-why-bu-animation-duration) ease,
    transform var(--pvg-why-bu-animation-duration) ease;
}

.pvg-why-bu.pvg-why-bu--enhanced .pvg-why-bu-card.is-visible,
.pvg-why-bu.pvg-why-bu--enhanced .pvg-why-bu__story.is-visible {
  --pvg-why-bu-reveal: 1;
}

@container pvg-why-bu (min-width: 36rem) {
  .pvg-why-bu__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pvg-why-bu__story-figure {
    grid-template-columns: minmax(0, 1.15fr) minmax(15rem, 0.85fr);
    align-items: start;
  }

  .pvg-why-bu__cta-actions {
    grid-template-columns: minmax(0, 1fr);
  }
}

@container pvg-why-bu (min-width: 60rem) {
  .pvg-why-bu__inner {
    padding-block: clamp(3rem, 5vw, 5rem);
  }

  .pvg-why-bu__title {
    font-size: clamp(2.75rem, 4.8cqi, 3.5rem);
  }

  .pvg-why-bu__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .pvg-why-bu__cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .pvg-why-bu__cta-actions {
    justify-content: end;
  }
}

/* RC3: desktop-only card typography; tablet and mobile remain unchanged. */
@media (min-width: 64rem) {
  .pvg-why-bu-card {
    column-gap: 1.125rem;
  }

  .pvg-why-bu-card__icon {
    width: 3.75rem;
  }

  .pvg-why-bu-card__icon svg {
    width: 26px;
    height: 26px;
  }

  .pvg-why-bu-card__title {
    color: var(--pvg-why-bu-primary);
    font-weight: 700;
    line-height: 1.25;
  }

  .pvg-why-bu-card__description {
    font-size: 1.125rem;
    line-height: 1.55;
  }

  .pvg-why-bu__conclusion > div {
    max-width: 60rem;
  }

  .pvg-why-bu__cta {
    gap: 1.75rem;
  }

  .pvg-why-bu__cta-content p {
    margin-top: 1.125rem;
  }

  .pvg-why-bu__cta-actions {
    gap: 2rem;
  }

  .pvg-why-bu__cta-action {
    gap: 0.95rem;
  }
}

@media (min-width: 64rem) and (hover: hover) and (pointer: fine) {
  .pvg-why-bu-card {
    transition:
      border-color 200ms ease,
      box-shadow 200ms ease,
      transform 200ms ease;
  }

  .pvg-why-bu-card:hover,
  .pvg-why-bu.pvg-why-bu--enhanced .pvg-why-bu-card.is-visible:hover {
    border-color: color-mix(in srgb, var(--pvg-why-bu-accent) 66%, white);
    box-shadow: 0 16px 34px rgb(0 73 142 / 9%);
    transform: translateY(-4px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .pvg-why-bu *,
  .pvg-why-bu *::before,
  .pvg-why-bu *::after {
    scroll-behavior: auto;
    transition-duration: 0.01ms;
    transition-delay: 0ms;
  }

  .pvg-why-bu.pvg-why-bu--enhanced .pvg-why-bu-card,
  .pvg-why-bu.pvg-why-bu--enhanced .pvg-why-bu__story {
    --pvg-why-bu-reveal: 1;

    transform: none;
  }

  .pvg-why-bu-card:hover,
  .pvg-why-bu.pvg-why-bu--enhanced .pvg-why-bu-card.is-visible:hover {
    transform: none;
  }
}

@media print {
  .pvg-why-bu {
    padding: 0;
    background: #ffffff;
  }

  .pvg-why-bu__inner,
  .pvg-why-bu-card,
  .pvg-why-bu__story,
  .pvg-why-bu__cta {
    box-shadow: none;
  }

  .pvg-why-bu__cta-actions {
    display: none;
  }
}