.concepts-page {
  background: transparent;
}

.concepts-hero {
  padding-top: var(--space-16);
  padding-bottom: var(--space-12);
}

.concepts-hero__inner {
  display: grid;
  gap: var(--space-10);
  align-items: flex-start;
}

@media (min-width: 960px) {
  .concepts-hero__inner {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  }
}

.concepts-hero__title {
  max-width: 24ch;
  margin-bottom: var(--space-4);
}

.concepts-hero__lead {
  max-width: 36rem;
  margin-bottom: var(--space-6);
  color: var(--color-text-muted);
}

.concepts-hero__cta {
  margin-top: var(--space-6);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}

.concepts-hero__link {
  color: var(--color-text-main);
}

.concepts-hero__link:hover {
  color: #ffffff;
}

.concepts-hero__fineprint {
  margin-top: var(--space-4);
  font-size: var(--font-size-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-soft);
}

.concepts-hero__meta {
  max-width: 440px;
  margin-left: auto;
}

.concepts-hero__card {
  height: 100%;
}

.concepts-hero__badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.concepts-hero__facts {
  display: grid;
  gap: var(--space-4);
  font-size: 0.85rem;
}

.concepts-hero__fact dt {
  font-family: var(--font-sans-ui);
  font-size: var(--font-size-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  margin-bottom: var(--space-1);
}

.concepts-hero__fact dd {
  color: var(--color-text-muted);
}

.concepts-grid-section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
  background: radial-gradient(circle at top left, rgba(66, 103, 255, 0.12), transparent 60%), radial-gradient(circle at bottom right, rgba(213, 138, 69, 0.14), transparent 60%), var(--color-bg-midnight);
}

.concepts-grid__intro {
  display: grid;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

@media (min-width: 960px) {
  .concepts-grid__intro {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: start;
  }
}

.concepts-grid__legend {
  display: grid;
  gap: var(--space-4);
}

.concepts-grid__legend-item p {
  margin-bottom: 0;
  color: var(--color-text-soft);
  font-size: var(--font-size-sm);
}

.concepts-cards {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 900px) {
  .concepts-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1200px) {
  .concepts-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.concept-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.concept-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
}

.concept-card__content {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: var(--space-6);
}

.concept-card__header {
  margin-bottom: var(--space-4);
}

.concept-card__badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.concept-card__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-2);
}

.concept-card__media {
  margin-bottom: var(--space-4);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.concept-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-slow);
}

.concept-card:hover .concept-card__media img {
  transform: scale(1.04);
}

.concept-card__body {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.concept-card__description {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
}

.concept-card__features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-6) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.concept-card__features li {
  font-size: var(--font-size-xs);
  color: var(--color-text-soft);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.concept-card__features li::before {
  content: "✦";
  color: var(--color-accent-saffron);
  font-size: 0.75rem;
}

.concept-card__footer {
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
}

.concepts-custom {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.concepts-custom__inner {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 960px) {
  .concepts-custom__inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    align-items: center;
  }
}

.concepts-cta {
  padding-top: var(--space-14);
  padding-bottom: var(--space-14);
  background: var(--color-bg-obsidian);
  border-top: 1px solid var(--color-border-subtle);
}

.concepts-cta__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  align-items: flex-start;
}

@media (min-width: 768px) {
  .concepts-cta__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.concepts-cta__text {
  max-width: 600px;
}

.concepts-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

@media (max-width: 768px) {
  .concepts-hero {
    padding-top: var(--space-10);
    padding-bottom: var(--space-10);
  }

  .concepts-hero__meta {
    max-width: 100%;
    margin-left: 0;
  }

  .concepts-grid-section {
    padding-top: var(--space-10);
    padding-bottom: var(--space-10);
  }

  .concepts-custom {
    padding-top: var(--space-10);
    padding-bottom: var(--space-10);
  }

  .concepts-cta {
    padding-top: var(--space-10);
    padding-bottom: var(--space-10);
  }

  .concepts-cta__actions,
  .concepts-hero__cta {
    width: 100%;
  }

  .concepts-cta__actions .btn,
  .concepts-hero__cta .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
}