/* ========================================
   KNOWLEDGE CENTER STYLES
   Reusable article pattern for Bluedobie education pages
   ======================================== */

.knowledge-page {
  color: var(--color-text-primary, #1f2933);
  background: #ffffff;
}

.knowledge-container {
  width: min(100% - 2rem, 1120px);
  margin: 0 auto;
}

.knowledge-hero {
  padding: clamp(4rem, 8vw, 7rem) 0 2.5rem;
  text-align: center;
  background:
    radial-gradient(circle at top left, rgba(4, 45, 77, 0.10), transparent 34rem),
    linear-gradient(180deg, #ffffff 0%, #f7f9fb 100%);
  border-bottom: 1px solid rgba(4, 45, 77, 0.12);
}

.knowledge-hero .eyebrow,
.section-heading .eyebrow {
  margin: 0 0 1rem;
  color: #042d4d;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.knowledge-hero h1 {
  max-width: 920px;
  margin: 0 auto 1.25rem;
  font-family: var(--font-heading, "Instrument Serif", Georgia, serif);
  color: #042d4d;
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.hero-summary {
  max-width: 720px;
  margin: 0 auto;
  color: #263746;
  font-size: clamp(1.15rem, 2.3vw, 1.45rem);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.knowledge-page .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.9rem 1.35rem;
  border-radius: 8px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.knowledge-page .btn:hover,
.knowledge-page .btn:focus {
  transform: translateY(-2px);
}

.knowledge-page .btn:focus-visible {
  outline: 3px solid #042d4d;
  outline-offset: 3px;
}

.knowledge-page .btn-primary {
  background: #042d4d;
  color: #ffffff;
  border: 2px solid #042d4d;
  box-shadow: 0 10px 24px rgba(4, 45, 77, 0.18);
}

.knowledge-page .btn-primary:hover,
.knowledge-page .btn-primary:focus {
  background: #0b3f68;
  color: #ffffff;
}

.knowledge-page .btn-secondary {
  background: #ffffff;
  color: #042d4d;
  border: 2px solid rgba(4, 45, 77, 0.35);
}

.knowledge-page .btn-secondary:hover,
.knowledge-page .btn-secondary:focus {
  border-color: #042d4d;
  box-shadow: 0 8px 18px rgba(4, 45, 77, 0.12);
}

.knowledge-visual {
  padding: 3rem 0 1rem;
  background: #ffffff;
}

.foundation-figure {
  margin: 0 auto;
  max-width: 1180px;
  text-align: center;
}

.foundation-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 18px;
  box-shadow: 0 22px 60px rgba(4, 45, 77, 0.16);
  border: 1px solid rgba(4, 45, 77, 0.12);
  background: #ffffff;
}

.foundation-figure figcaption {
  margin-top: 1rem;
  color: #042d4d;
  font-family: var(--font-heading, "Instrument Serif", Georgia, serif);
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-style: italic;
}

.knowledge-section {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}

.knowledge-section-alt {
  background: #ececec;
  border-block: 1px solid rgba(4, 45, 77, 0.10);
}

.article-body,
.hub-intro {
  max-width: 820px;
}

.article-body .lead,
.hub-intro .lead {
  color: #042d4d;
  font-size: clamp(1.25rem, 2.4vw, 1.65rem);
  line-height: 1.55;
  font-weight: 600;
}

.article-body p,
.article-body li,
.hub-intro p {
  color: #2d3742;
  font-size: 1.08rem;
  line-height: 1.75;
}

.article-body p,
.hub-intro p {
  margin: 0 0 1.25rem;
}

.article-body h2,
.section-heading h2 {
  margin: 3.25rem 0 1rem;
  color: #042d4d;
  font-family: var(--font-heading, "Instrument Serif", Georgia, serif);
  font-size: clamp(2.1rem, 4.4vw, 3.2rem);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-align: left;
}

.section-heading h2 {
  margin-top: 0;
  text-align: center;
}

.article-body h2::after,
.section-heading h2::after {
  content: "";
  display: block;
  width: 4rem;
  height: 3px;
  margin-top: 0.8rem;
  background: #042d4d;
  border-radius: 999px;
}

.section-heading h2::after {
  margin-left: auto;
  margin-right: auto;
}

.article-body h3 {
  margin: 2rem 0 0.5rem;
  color: #042d4d;
  font-size: 1.35rem;
  line-height: 1.3;
}

.article-body ul {
  margin: 0 0 1.75rem;
  padding: 0;
  list-style: none;
}

.article-body li {
  position: relative;
  margin-bottom: 0.65rem;
  padding-left: 1.65rem;
}

.article-body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 999px;
  background: #042d4d;
  box-shadow: 0 0 0 4px rgba(4, 45, 77, 0.10);
}

.article-body .foundation-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  margin: 1.25rem 0 2rem;
}

.article-body .foundation-list li {
  min-height: 100%;
  margin: 0;
  padding: 0.95rem 1rem 0.95rem 2.65rem;
  border: 1px solid rgba(4, 45, 77, 0.14);
  border-radius: 12px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  box-shadow: 0 8px 18px rgba(4, 45, 77, 0.07);
}

.article-body .foundation-list li::before {
  left: 1rem;
  top: 1.55rem;
  width: 0.65rem;
  height: 0.65rem;
  background: #042d4d;
  box-shadow: 0 0 0 5px rgba(4, 45, 77, 0.10);
}

.article-body code {
  padding: 0.1rem 0.3rem;
  border-radius: 5px;
  background: rgba(4, 45, 77, 0.08);
  color: #042d4d;
  font-size: 0.95em;
}

.article-body a {
  color: #042d4d;
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-body a:hover,
.article-body a:focus {
  text-decoration-thickness: 2px;
}

.knowledge-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.knowledge-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 1.4rem;
  border: 1px solid rgba(4, 45, 77, 0.14);
  border-radius: 16px;
  background: #ffffff;
  color: #263746;
  text-decoration: none;
  box-shadow: 0 10px 24px rgba(4, 45, 77, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.knowledge-card:hover,
.knowledge-card:focus {
  transform: translateY(-4px);
  border-color: #042d4d;
  box-shadow: 0 18px 34px rgba(4, 45, 77, 0.14);
}

.knowledge-card:focus-visible {
  outline: 3px solid #042d4d;
  outline-offset: 4px;
}

.knowledge-card-coming-soon {
  opacity: 0.74;
}

.knowledge-card-coming-soon:hover,
.knowledge-card-coming-soon:focus {
  transform: none;
  border-color: rgba(4, 45, 77, 0.14);
  box-shadow: 0 10px 24px rgba(4, 45, 77, 0.08);
}

.card-kicker {
  color: #042d4d;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.knowledge-card h3 {
  margin: 0.65rem 0 0.75rem;
  color: #042d4d;
  font-family: var(--font-heading, "Instrument Serif", Georgia, serif);
  font-size: clamp(1.8rem, 3vw, 2.35rem);
  font-weight: 400;
  line-height: 1.06;
}

.knowledge-card p {
  margin: 0 0 1.25rem;
  color: #2d3742;
  line-height: 1.65;
}

.card-link {
  margin-top: auto;
  color: #042d4d;
  font-weight: 800;
}

.knowledge-cta {
  padding: clamp(3rem, 7vw, 5rem) 0;
  color: #ffffff;
  text-align: center;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.16), transparent 24rem),
    linear-gradient(135deg, #042d4d 0%, #063a63 100%);
}

.knowledge-cta h2 {
  max-width: 760px;
  margin: 0 auto 1rem;
  color: #ffffff;
  font-family: var(--font-heading, "Instrument Serif", Georgia, serif);
  font-size: clamp(2.3rem, 5vw, 4rem);
  font-weight: 400;
  line-height: 1.05;
}

.knowledge-cta p {
  max-width: 680px;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.92);
  font-size: 1.18rem;
  line-height: 1.65;
}

.knowledge-cta .btn-primary {
  background: #ffffff;
  color: #042d4d;
  border-color: #ffffff;
}

.knowledge-cta .btn-primary:hover,
.knowledge-cta .btn-primary:focus {
  background: #ececec;
  color: #042d4d;
}

.knowledge-cta .btn-secondary {
  color: #ffffff;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.7);
}

.knowledge-cta .btn-secondary:hover,
.knowledge-cta .btn-secondary:focus {
  background: rgba(255, 255, 255, 0.12);
  border-color: #ffffff;
}

@media (max-width: 760px) {
  .knowledge-container {
    width: min(100% - 1.25rem, 1120px);
  }

  .knowledge-hero {
    padding-top: 3.5rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .knowledge-page .btn {
    width: 100%;
  }

  .foundation-figure img {
    border-radius: 12px;
  }

  .article-body p,
  .article-body li,
  .hub-intro p {
    font-size: 1rem;
  }

  .article-body .foundation-list,
  .knowledge-card-grid {
    grid-template-columns: 1fr;
  }
}