.courses-section {
  padding: clamp(52px, 8vw, 88px) 0;
  background: var(--color-soft);
}

.courses-container {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  width: min(var(--container), calc(100% - 32px));
  margin-inline: auto;
}

.course-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.course-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.course-card.coming-soon {
  opacity: 0.92;
}

.course-image {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.course-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.course-card:hover .course-image img {
  transform: scale(1.035);
}

.badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 6px 11px;
  color: var(--color-white);
  font-size: 0.78rem;
  font-weight: 700;
  background: var(--gradient-main);
  border-radius: 999px;
  box-shadow: 0 8px 18px rgba(20, 24, 39, 0.16);
}

.badge.soon {
  background: #73778a;
}

.course-content {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 24px;
}

.course-content h3 {
  margin-bottom: 10px;
  color: var(--color-dark);
  font-size: 1.24rem;
  line-height: 1.2;
}

.course-content p {
  margin-bottom: 18px;
  color: var(--color-muted);
  font-size: 0.96rem;
}

.course-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 16px;
  margin-top: auto;
  margin-bottom: 18px;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.btn-course,
.btn-disabled {
  width: 100%;
  min-height: 44px;
  padding: 10px 14px;
}

.btn-disabled {
  color: #6b7280;
  background: #e4e7ef;
  border: 0;
  border-radius: var(--radius-sm);
  cursor: not-allowed;
  font-weight: 700;
}

@media (max-width: 960px) {
  .courses-container {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .courses-container {
    width: min(100% - 24px, var(--container));
    grid-template-columns: 1fr;
  }
}