/* Lessons index page styles. Keeps the grid of 12 cards tight and readable. */

.lessons-index-hero {
  padding: var(--space-7) 0 var(--space-6);
  background: var(--surface);
}

.lessons-index-hero__h1 {
  font-family: "Fraunces", serif;
  font-weight: 500;
  font-size: clamp(2.25rem, 1.5rem + 2.5vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: var(--space-2) 0 var(--space-4);
  color: var(--ink);
}

.lessons-index-hero__intro {
  max-width: 62ch;
}

.lessons-index-hero__intro p {
  font-size: var(--type-lede);
  line-height: 1.55;
  color: var(--ink-muted);
  margin-bottom: var(--space-3);
}

.lessons-index-hero__intro p:last-child {
  margin-bottom: 0;
}

.lessons-index-hero__cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.lessons-index-grid-section {
  padding-top: var(--space-6);
  padding-bottom: var(--space-7);
  background: var(--surface-alt);
}

.lessons-index-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 600px) {
  .lessons-index-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .lessons-index-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
  }
}

@media (min-width: 1200px) {
  .lessons-index-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.lesson-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: var(--ink);
  text-decoration: none;
  transition:
    border-color var(--motion-fast) var(--easing),
    transform var(--motion-fast) var(--easing),
    box-shadow var(--motion-fast) var(--easing);
  min-height: 200px;
}

.lesson-card:hover,
.lesson-card:focus-visible {
  border-color: var(--brand-red);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
}

.lesson-card:focus-visible {
  outline: 2px solid var(--brand-red);
  outline-offset: 2px;
}

.lesson-card__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
}

.lesson-card__num {
  font-family: "Fraunces", serif;
  font-weight: 500;
  font-size: 2.25rem;
  line-height: 1;
  color: var(--brand-red);
  font-variant-numeric: tabular-nums;
}

.lesson-card__eyebrow {
  font-family: "Inter", sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.lesson-card__title {
  font-family: "Fraunces", serif;
  font-weight: 500;
  font-size: 1.375rem;
  line-height: 1.2;
  margin: 0;
  color: var(--ink);
}

.lesson-card__summary {
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--ink-muted);
  margin: 0;
  flex: 1;
}

.lesson-card__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--brand-red);
  margin-top: auto;
}

.lesson-card__arrow {
  width: 16px;
  height: 16px;
  transition: transform var(--motion-fast) var(--easing);
}

.lesson-card:hover .lesson-card__arrow,
.lesson-card:focus-visible .lesson-card__arrow {
  transform: translateX(3px);
}