@layer sections {
  .section.courses {
    background: var(--surface-muted);
    padding: clamp(var(--space-32, 2rem), 6vw, var(--space-56, 3.5rem)) 0
      clamp(var(--space-56, 3.5rem), 9vw, var(--space-80, 5rem));
  }

  .courses-layout {
    display: grid;
    gap: clamp(var(--space-32, 2rem), 6vw, var(--space-56, 3.5rem));
    align-items: start;
  }

  .courses-intro {
    max-width: 40rem;
    gap: var(--space-16, 1rem);
  }

  .courses-intro .eyebrow {
    color: var(--text-secondary);
  }

  .courses-intro h3 {
    font-size: clamp(1.6rem, 1.4rem + 0.8vw, 2.1rem);
    line-height: var(--line-height-tight, 1.25);
    margin: 0;
  }

  .courses-intro .lead {
    margin: 0;
    color: var(--text-secondary);
    font-size: clamp(0.95rem, 0.92rem + 0.2vw, 1.1rem);
    line-height: var(--line-height-relaxed, 1.6);
  }

  .courses-actions {
    gap: var(--space-12, 0.75rem);
    flex-wrap: wrap;
    padding-top: clamp(var(--space-12, 0.75rem), 2vw, var(--space-20, 1.25rem));
  }

  .courses-collection {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(18rem, 22rem);
    gap: clamp(var(--space-24, 1.5rem), 5vw, var(--space-40, 2.5rem));
    overflow-x: auto;
    padding-bottom: var(--space-12, 0.75rem);
    padding-inline: clamp(var(--space-16, 1rem), 6vw, var(--space-32, 2rem));
    scroll-snap-type: x proximity;
    align-items: start;
  }

  .courses-collection::-webkit-scrollbar {
    height: 8px;
  }

  .courses-collection::-webkit-scrollbar-track {
    background: rgba(2, 6, 23, 0.05);
    border-radius: var(--radius-pill, 999px);
  }

  .courses-collection::-webkit-scrollbar-thumb {
    background: rgba(77, 91, 255, 0.35);
    border-radius: var(--radius-pill, 999px);
  }

  .course-card {
    background: var(--surface-panel);
    border-radius: var(--radius-lg, 1.25rem);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-xs);
    display: grid;
    gap: 0;
    overflow: hidden;
    scroll-snap-align: start;
  }

  .course-card__body {
    display: grid;
    gap: clamp(var(--space-12, 0.75rem), 3vw, var(--space-20, 1.25rem));
    padding: clamp(var(--space-16, 1rem), 4vw, var(--space-24, 1.5rem));
  }

  .course-card__media {
    margin: 0;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
  }

  .course-card__media img {
    width: 100%;
    object-fit: cover;
    display: block;
  }

  .course-card__badge {
    align-self: start;
    display: inline-flex;
    align-items: center;
    gap: var(--space-8, 0.5rem);
    padding: var(--space-6, 0.375rem) var(--space-12, 0.75rem);
    border-radius: var(--radius-pill, 999px);
    background: var(--surface-accent);
    color: var(--text-accent);
    font-size: clamp(0.65rem, 0.62rem + 0.2vw, 0.75rem);
    letter-spacing: var(--letter-spacing-wide, 0.08em);
    text-transform: uppercase;
  }

  .course-card__badge.course-card__badge--ai {
    background: rgba(55, 215, 224, 0.16);
    color: #1f8fa0;
  }

  .course-card__badge.course-card__badge--architecture {
    background: rgba(95, 114, 236, 0.16);
    color: #3a49c6;
  }

  .course-card__badge.course-card__badge--build {
    background: rgba(255, 159, 67, 0.18);
    color: #c1671a;
  }

  .course-card__badge.course-card__badge--leadership {
    background: rgba(142, 68, 173, 0.16);
    color: #6d2c8e;
  }

  .course-card h4 {
    margin: 0;
    font-size: clamp(1.02rem, 0.98rem + 0.45vw, 1.25rem);
    padding-top: var(--space-12);
  }

  .course-card__meta {
    margin: 0;
    color: var(--text-secondary);
    font-size: clamp(0.8rem, 0.76rem + 0.25vw, 0.9rem);
    line-height: var(--line-height-default, 1.55);
  }

  .course-card__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: clamp(var(--space-10, 0.625rem), 3vw, var(--space-16, 1rem));
    position: relative;
  }

  .course-card__list li {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-10, 0.625rem);
    align-items: start;
  }

  .course-card__step {
    font-size: clamp(0.7rem, 0.68rem + 0.2vw, 0.8rem);
    letter-spacing: var(--letter-spacing-wide, 0.08em);
    text-transform: uppercase;
    color: var(--text-muted);
  }

  .course-card__marker {
    display: block;
    width: var(--space-12, 0.75rem);
    height: var(--space-12, 0.75rem);
    border-radius: 50%;
    background: var(--surface-accent);
    margin-top: var(--space-4, 0.25rem);
    position: relative;
  }

  .course-card__list li:last-child .course-card__marker::after {
    display: none;
  }

  .course-card__content {
    display: grid;
    gap: var(--space-6, 0.375rem);
  }

  .course-card__list p {
    margin: 0;
    color: var(--text-secondary);
    font-size: clamp(0.82rem, 0.78rem + 0.3vw, 0.95rem);
    line-height: var(--line-height-default, 1.5);
  }

  @media (min-width: 1024px) {
    .courses-layout {
      grid-template-columns: minmax(18rem, 24rem) minmax(0, 1fr);
      align-items: start;
      gap: clamp(var(--space-32, 2rem), 6vw, var(--space-48, 3rem));
    }

    .courses-collection {
      grid-auto-columns: minmax(20rem, 24rem);
    }
  }

  @media (max-width: 768px) {
    .section.courses {
      padding-inline: clamp(1rem, 6vw, 2rem);
    }

    .courses-collection {
      grid-auto-columns: minmax(16rem, 80%);
      gap: clamp(var(--space-20, 1.25rem), 6vw, var(--space-32, 2rem));
      padding-bottom: var(--space-16, 1rem);
    }

    .courses-intro {
      text-align: center;
      align-items: center;
    }
  }

  @media (max-width: 48rem) {
    .courses-collection {
      grid-auto-flow: row;
      grid-auto-columns: unset;
      grid-template-columns: 1fr;
      gap: clamp(var(--space-20, 1.25rem), 5vw, var(--space-32, 2rem));
      padding-inline: 0;
      overflow-x: hidden;
      scroll-snap-type: none;
    }

    .courses-collection .course-card {
      scroll-snap-align: unset;
    }
  }
}