.course-introduction {
  padding-bottom: 48px;
}

.course-intro-layout,
.course-enrollment-inner {
  max-width: 1180px;
  margin: 0 auto;
}

.course-intro-layout {
  display: grid;
  gap: 32px;
}

.course-intro-layout > div:first-child {
  max-width: 780px;
}

.course-intro-lead {
  max-width: 640px;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.65;
  margin: 0;
}

.course-principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  margin: 0;
}

.course-principles > div {
  border-top: 4px solid var(--brand-green);
  padding-top: 20px;
}

.course-principles > div:nth-child(2) {
  border-color: #aee68f;
}

.course-principles > div:nth-child(3) {
  border-color: var(--moss);
}

.course-principles dt {
  font-family: var(--serif);
  font-size: 2rem;
  line-height: 1.15;
  color: var(--brand-green-deep);
  margin-bottom: 12px;
}

.course-principles dd {
  margin: 0;
  line-height: 1.65;
}

.course-principles strong,
.course-principles dd span {
  display: block;
}

.course-principles dd span {
  color: var(--muted);
  margin-top: 6px;
}

.course-introduction h2,
.course-enrollment h2 {
  font-size: 2.8rem;
  line-height: 1.1;
  margin-bottom: 24px;
}

.course-enrollment p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.75;
}

.course-enrollment {
  background: var(--mint);
  scroll-margin-top: 120px;
}

.course-enrollment .enrollment-lead {
  max-width: 760px;
  margin-bottom: 36px;
}

.enrollment-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.enrollment-steps li {
  border-top: 2px solid var(--brand-green);
  padding-top: 20px;
}

.enrollment-number {
  color: var(--brand-green);
  font-size: 1.6rem;
  font-weight: 800;
}

.enrollment-steps h3,
.enrollment-invitation h3 {
  font-family: var(--serif);
  font-size: 1.65rem;
  line-height: 1.15;
  font-weight: 500;
  margin: 16px 0 12px;
}

.enrollment-invitation {
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.enrollment-invitation p {
  max-width: 760px;
}

@media (max-width: 1050px) {
  .enrollment-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .course-intro-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .course-principles {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .course-introduction h2,
  .course-enrollment h2 {
    font-size: 2.1rem;
  }

  .enrollment-steps {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }
}

.courses[data-courses] {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.courses .course-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  position: relative;
  isolation: isolate;
  overflow: clip;
  border-radius: 8px;
  align-items: start;
  scroll-margin-top: 128px;
}

.courses.chroma-ready .course-card::before,
.courses.chroma-ready .course-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: var(--chroma-power, 0);
}

.courses.chroma-ready .course-card::before {
  z-index: 0;
  background: radial-gradient(circle 280px at var(--chroma-x, -999px) var(--chroma-y, -999px), rgba(174, 230, 143, 0.5), transparent 100%);
}

.courses.chroma-ready .course-card::after {
  z-index: 2;
  box-shadow: inset 0 0 0 2px var(--brand-green), inset 0 0 18px -8px #aee68f;
  mask-image: radial-gradient(circle 260px at var(--chroma-x, -999px) var(--chroma-y, -999px), #000, transparent);
  -webkit-mask-image: radial-gradient(circle 260px at var(--chroma-x, -999px) var(--chroma-y, -999px), #000, transparent);
}

.courses .course-copy {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 30px;
  position: relative;
  z-index: 1;
}

.course-photo {
  z-index: 1;
  position: relative;
  margin: 0;
  width: 100%;
  aspect-ratio: 16 / 10;
  flex: none;
  overflow: hidden;
}

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

.courses .course-copy .course-lead {
  color: var(--brand-green-deep);
  font-weight: 700;
}

.courses .course-copy p,
.courses .course-copy li {
  line-height: 1.75;
}

.courses .course-copy h3 {
  margin: 28px 0 12px;
  font-size: 1.15rem;
  line-height: 1.3;
}

.courses .course-copy ul {
  padding-left: 22px;
  margin: 0 0 24px;
  color: var(--muted);
}

.courses .course-copy li {
  padding-left: 4px;
  margin-bottom: 10px;
}

.courses .course-copy li::marker {
  color: var(--brand-green);
}

.courses .course-copy .button {
  max-width: 100%;
  text-align: center;
  margin-top: auto;
  align-self: flex-start;
}

.courses .course-copy h2 {
  font-size: 2.5rem;
  line-height: 1.1;
}

@media (max-width: 760px) {
  .courses[data-courses] {
    grid-template-columns: minmax(0, 1fr);
  }

  .courses .course-copy {
    padding: 24px;
  }

  .courses .course-copy h2 {
    font-size: 2.1rem;
  }
}

@media (max-width: 1050px) {
  .course-photo {
    position: static;
    aspect-ratio: 16 / 9;
  }
}