/* Thẻ khóa học */
.kv-course-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid #e8efe9;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(6, 73, 45, 0.08);
  transition: transform 0.2s, box-shadow 0.2s;
}

.kv-course-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(6, 73, 45, 0.12);
}

.kv-course-card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #f0f7f2;
}

.kv-course-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.kv-course-card__badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 800;
  color: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.kv-course-card__body {
  padding: 1.1rem 1.15rem 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.kv-course-card__body h3 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--kv-green, #0b6e3e);
  line-height: 1.35;
  margin: 0;
}

.kv-course-card__body p {
  margin-top: 0.5rem;
  font-size: 0.8125rem;
  color: #5a6b62;
  line-height: 1.5;
  flex: 1;
}

.kv-course-card__link {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  font-weight: 800;
  color: var(--kv-green, #0b6e3e);
  text-decoration: none;
}

.kv-course-card__link:hover {
  color: var(--kv-yellow, #ffc617);
}

/* Lộ trình học */
.kv-path-card {
  background: #fff;
  border: 1px solid #e8efe9;
  border-radius: 1rem;
  padding: 1.25rem 1.15rem;
  box-shadow: 0 2px 12px rgba(6, 73, 45, 0.06);
}

.kv-path-card__head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.65rem;
}

.kv-path-card__icon {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  font-weight: 800;
  color: #fff;
}

.kv-path-card h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 800;
  color: var(--kv-green, #0b6e3e);
  line-height: 1.3;
}

.kv-path-card p {
  margin: 0;
  font-size: 0.8125rem;
  font-weight: 700;
  color: #1a4d32;
  line-height: 1.45;
}

/* Cam kết — layout pro */
.kv-commit-section {
  background: linear-gradient(135deg, #003d22 0%, #0b6e3e 45%, #0a5c34 100%);
  position: relative;
  overflow: hidden;
}

.kv-commit-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 0%, rgba(255, 198, 23, 0.12), transparent 45%),
    radial-gradient(circle at 80% 100%, rgba(255, 255, 255, 0.06), transparent 40%);
  pointer-events: none;
}

.kv-commit-section .kv-commit-inner {
  position: relative;
  z-index: 1;
}

.kv-commit-section__title {
  text-align: center;
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  font-weight: 900;
  color: var(--kv-yellow, #ffc617);
  letter-spacing: 0.04em;
  margin: 0;
}

.kv-commit-section__sub {
  text-align: center;
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 500;
}

.kv-commit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

@media (min-width: 640px) {
  .kv-commit-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
}

@media (min-width: 1024px) {
  .kv-commit-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.15rem;
  }
}

@media (min-width: 1280px) {
  .kv-commit-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.kv-commit-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 1rem;
  padding: 1.35rem 1rem 1.25rem;
  text-align: center;
  transition: background 0.2s, transform 0.2s;
}

.kv-commit-card:hover {
  background: rgba(255, 255, 255, 0.16);
  transform: translateY(-2px);
}

.kv-commit-card__icon {
  width: 3rem;
  height: 3rem;
  margin: 0 auto 0.85rem;
  border-radius: 50%;
  background: var(--kv-yellow, #ffc617);
  color: #06492d;
  display: grid;
  place-items: center;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.kv-commit-card__icon i {
  font-size: 1.35rem;
  line-height: 1;
}

.kv-commit-card h3 {
  margin: 0;
  font-size: 0.8125rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.35;
}

.kv-commit-card p {
  margin: 0.5rem 0 0;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.45;
}