.ppa-hero-shell,
.ppa-section,
.ppa-banner {
  --ppa-accent: #0f6cbd;
  --ppa-accent-strong: #115ea3;
  --ppa-accent-soft: rgba(15, 108, 189, 0.12);
  --ppa-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --ppa-shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --ppa-shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.1);
}

.ppa-hero-shell {
  position: relative;
  margin: 1.5rem 0 2rem;
}

.ppa-hero-shell::before {
  content: "";
  position: absolute;
  inset: -0.75rem 0 auto;
  height: 12rem;
  background:
    radial-gradient(circle at top left, rgba(0, 120, 212, 0.18), transparent 42%),
    radial-gradient(circle at top right, rgba(88, 101, 242, 0.16), transparent 35%);
  pointer-events: none;
}

.ppa-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(280px, 0.9fr);
  gap: 1.25rem;
  padding: 1.75rem;
  border: 1px solid var(--main-border-color, #e5e7eb);
  border-radius: 0.75rem;
  background:
    linear-gradient(180deg, rgba(0, 120, 212, 0.08), rgba(0, 120, 212, 0.02)),
    var(--card-bg, #fff);
  box-shadow: var(--ppa-shadow-md);
  overflow: hidden;
}

.ppa-hero-copy,
.ppa-hero-panel {
  position: relative;
  z-index: 1;
}

.ppa-eyebrow,
.ppa-kicker,
.ppa-panel-label {
  margin: 0 0 0.4rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted-color, #6b7280);
}

.ppa-hero h1 {
  margin: 0;
  max-width: 14ch;
  line-height: 1.05;
  font-size: clamp(2.2rem, 5vw, 3.75rem);
}

.ppa-lead {
  margin-top: 1rem;
  max-width: 60ch;
  font-size: 1.05rem;
  color: var(--text-muted-color, #4b5563);
}

.ppa-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.ppa-actions .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.65rem 1rem;
  border-radius: 0.375rem;
  font-weight: 600;
  letter-spacing: 0;
  box-shadow: none;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.ppa-actions .btn:hover {
  transform: translateY(-1px);
}

.ppa-actions .btn:focus-visible,
.ppa-path-card a:focus-visible,
.ppa-card a:focus-visible {
  outline: 2px solid var(--ppa-accent);
  outline-offset: 2px;
}

.btn-ghost {
  color: var(--ppa-accent);
  background: transparent;
  border: 1px solid var(--main-border-color, #e5e7eb);
}

.btn-ghost:hover {
  text-decoration: none;
  background: var(--ppa-accent-soft);
  border-color: rgba(15, 108, 189, 0.3);
}

.btn.btn-primary,
.ppa-banner .btn.btn-primary {
  background: var(--ppa-accent);
  border-color: var(--ppa-accent);
}

.btn.btn-primary:hover,
.ppa-banner .btn.btn-primary:hover {
  background: var(--ppa-accent-strong);
  border-color: var(--ppa-accent-strong);
}

.btn.btn-outline-primary {
  color: var(--ppa-accent);
  border-color: rgba(15, 108, 189, 0.35);
  background: rgba(255, 255, 255, 0.88);
}

.btn.btn-outline-primary:hover {
  color: var(--ppa-accent-strong);
  border-color: rgba(15, 108, 189, 0.55);
  background: rgba(15, 108, 189, 0.06);
}

.ppa-hero-panel {
  align-self: stretch;
  padding: 1.1rem;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 0.75rem;
  background: rgba(255, 255, 255, 0.62);
  backdrop-filter: blur(10px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

[data-mode="dark"] .ppa-hero-panel {
  border-color: rgba(255, 255, 255, 0.08);
  background: rgba(17, 25, 40, 0.7);
}

.ppa-checklist {
  margin: 0;
  padding: 0;
  list-style: none;
}

.ppa-checklist li {
  position: relative;
  padding-left: 1.4rem;
  margin-top: 0.7rem;
  color: var(--text-muted-color, #4b5563);
}

.ppa-checklist li::before {
  content: "•";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--link-color, #0f6cbd);
  font-size: 1.2rem;
  line-height: 1;
}

.ppa-mini-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.ppa-mini-stats div {
  padding-top: 0.75rem;
  border-top: 1px solid var(--main-border-color, #e5e7eb);
}

.ppa-mini-stats strong {
  display: block;
  font-size: 1.35rem;
  line-height: 1.1;
}

.ppa-mini-stats span {
  color: var(--text-muted-color, #6b7280);
  font-size: 0.88rem;
}

.ppa-section {
  margin: 0 0 2.5rem;
}

.ppa-section-heading {
  margin-bottom: 1rem;
}

.ppa-section-heading h2 {
  margin: 0;
  line-height: 1.15;
}

.ppa-section-heading p:last-child {
  margin-top: 0.6rem;
  max-width: 70ch;
  color: var(--text-muted-color, #4b5563);
}

.ppa-path-grid,
.ppa-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.ppa-path-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.ppa-path-card,
.ppa-card {
  position: relative;
  padding: 1.15rem;
  border: 1px solid var(--main-border-color, #e5e7eb);
  border-radius: 0.75rem;
  background-color: var(--card-bg, #fff);
  box-shadow: var(--ppa-shadow-sm);
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.ppa-path-card::before,
.ppa-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  border-radius: 0.75rem 0 0 0.75rem;
  background: transparent;
  transition: background-color 160ms ease;
}

.ppa-path-card:hover,
.ppa-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--ppa-shadow-lg);
  border-color: rgba(15, 108, 189, 0.28);
  background-color: color-mix(in srgb, var(--card-bg, #fff) 96%, #f3f9fd 4%);
}

.ppa-path-card:hover::before,
.ppa-card:hover::before,
.ppa-path-card:focus-within::before,
.ppa-card:focus-within::before {
  background: var(--ppa-accent);
}

.ppa-path-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  margin-bottom: 0.85rem;
  border-radius: 0.375rem;
  background: var(--ppa-accent-soft);
  color: var(--ppa-accent);
  font-weight: 700;
}

.ppa-path-card h3,
.ppa-card h3 {
  margin: 0 0 0.55rem;
  font-size: 1.1rem;
  line-height: 1.25;
}

.ppa-path-card p,
.ppa-card p {
  margin: 0 0 0.9rem;
  color: var(--text-muted-color, #4b5563);
}

.ppa-path-card a,
.ppa-card a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 700;
  color: var(--ppa-accent);
  text-decoration: none;
}

.ppa-path-card a::after,
.ppa-card a::after {
  content: "›";
  font-size: 1.05em;
  transition: transform 160ms ease;
}

.ppa-path-card:hover a::after,
.ppa-card:hover a::after,
.ppa-path-card a:focus-visible::after,
.ppa-card a:focus-visible::after {
  transform: translateX(2px);
}

.ppa-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
  padding: 1.25rem 1.35rem;
  border: 1px solid var(--main-border-color, #e5e7eb);
  border-radius: 0.75rem;
  background: linear-gradient(135deg, rgba(0, 120, 212, 0.08), rgba(88, 101, 242, 0.06));
  box-shadow: var(--ppa-shadow-sm);
}

.ppa-banner h2 {
  margin: 0;
  font-size: clamp(1.35rem, 3vw, 1.8rem);
}

.ppa-banner p:last-child {
  margin: 0.45rem 0 0;
  color: var(--text-muted-color, #4b5563);
}

@media (max-width: 900px) {
  .ppa-hero {
    grid-template-columns: 1fr;
  }

  .ppa-hero h1 {
    max-width: none;
  }

  .ppa-mini-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .ppa-banner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .ppa-hero {
    padding: 1.25rem;
  }

  .ppa-mini-stats {
    grid-template-columns: 1fr;
  }

  .ppa-actions {
    align-items: stretch;
  }

  .ppa-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

.responsive-video-container {
  position: relative;
  overflow: hidden;
  width: 100%;
  padding-top: 56.25%;
  margin: 1.25rem 0;
  border-radius: 0.75rem;
}

.responsive-video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}