/* =========================================================
   courses.css – Top 3 Courses section
   ========================================================= */

.sb-courses {
  padding: var(--sb-space-24) 0;
  background: linear-gradient(
    90deg,
    var(--sb-primary) 0%,
    var(--sb-primary-dark) 100%
  );
  position: relative;
}

.sb-courses .sb-section-badge {
  background: rgba(253, 251, 212, 0.16);
  color: var(--sb-cream);
  border: 1px solid rgba(253, 251, 212, 0.38);
}

.sb-courses .sb-section-title {
  color: var(--sb-cream);
}

.sb-courses .sb-section-title span {
  color: var(--sb-secondary);
}

.sb-courses .sb-section-subtitle {
  color: rgba(253, 251, 212, 0.9);
}

.sb-courses__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sb-space-6);
}

/* ── Course Card ── */
.sb-course-card {
  background: var(--sb-white);
  border-radius: var(--sb-radius-lg);
  border: 1px solid var(--sb-border);
  overflow: hidden;
  box-shadow: 0 10px 26px rgba(12, 66, 53, 0.09);
  transition: var(--sb-transition);
  display: flex;
  flex-direction: column;
  position: relative;
  padding-top: 4px;
}
.sb-course-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 32px rgba(12, 66, 53, 0.16);
  border-color: rgba(62, 187, 158, 0.35);
}

/* ── Card Header Colors ── */
.sb-course-card__header {
  padding: var(--sb-space-6);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--sb-space-3);
}

.sb-course-card--blue .sb-course-card__header {
  background: transparent;
}
.sb-course-card--purple .sb-course-card__header {
  background: transparent;
}
.sb-course-card--teal .sb-course-card__header {
  background: transparent;
}

.sb-course-card--blue {
  border-top: 4px solid #00674f;
}
.sb-course-card--purple {
  border-top: 4px solid #1d8f75;
}
.sb-course-card--teal {
  border-top: 4px solid #3ebb9e;
}

.sb-course-card__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.28rem 0.68rem;
  border-radius: var(--sb-radius-full);
  background: rgba(0, 103, 79, 0.08);
  border: 1px solid rgba(0, 103, 79, 0.16);
  color: var(--sb-primary-dark);
  font-size: 10px;
  font-weight: var(--sb-fw-bold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sb-course-card__code-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 54px;
  height: 54px;
  background: rgba(255, 255, 255, 0.18);
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--sb-radius);
  font-size: var(--sb-text-sm);
  font-weight: var(--sb-fw-extrabold);
  color: var(--sb-white);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.sb-course-card__title-wrap {
  flex: 1;
}

.sb-course-card__title {
  font-size: 1.6rem;
  font-weight: var(--sb-fw-bold);
  color: var(--sb-dark);
  margin-bottom: 0;
  line-height: 1.2;
}

.sb-course-card__tagline {
  font-size: var(--sb-text-sm);
  color: var(--sb-muted);
  font-weight: var(--sb-fw-regular);
  line-height: 1.55;
}

/* ── Card Body ── */
.sb-course-card__features {
  padding: var(--sb-space-5) var(--sb-space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--sb-space-3);
}

.sb-course-card__features li {
  display: flex;
  align-items: flex-start;
  gap: var(--sb-space-3);
  font-size: var(--sb-text-sm);
  color: var(--sb-dark-3);
  line-height: 1.5;
}

.sb-course-card--blue .sb-course-card__features .sb-icon--check-sm {
  color: var(--sb-primary);
}
.sb-course-card--purple .sb-course-card__features .sb-icon--check-sm {
  color: #7c3aed;
}
.sb-course-card--teal .sb-course-card__features .sb-icon--check-sm {
  color: #0d9488;
}

.sb-course-card__price-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: var(--sb-space-4) var(--sb-space-6) var(--sb-space-5);
  border-top: 1px solid var(--sb-border);
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(62, 187, 158, 0.06) 100%
  );
}

.sb-course-price {
  font-size: 1.65rem;
  font-weight: var(--sb-fw-extrabold);
  color: var(--sb-dark);
  line-height: 1;
}

.sb-course-old-price {
  font-size: var(--sb-text-sm);
  color: var(--sb-muted-light);
  text-decoration: line-through;
}

.sb-course-meta {
  font-size: var(--sb-text-xs);
  color: var(--sb-muted);
  letter-spacing: 0.02em;
}

/* ── Card Footer / Actions ── */
.sb-course-card__actions {
  display: flex;
  gap: var(--sb-space-3);
  padding: var(--sb-space-5) var(--sb-space-6) var(--sb-space-6);
  border-top: 1px solid var(--sb-border);
  flex-wrap: wrap;
}

.sb-btn--course-primary {
  flex: 1;
  background: var(--sb-primary);
  color: var(--sb-cream);
  border-color: var(--sb-primary);
  padding: 0.65rem 1rem;
  font-size: var(--sb-text-xs);
}
.sb-btn--course-primary:hover {
  background: var(--sb-primary-dark);
  color: var(--sb-cream);
  border-color: var(--sb-primary-dark);
}

.sb-course-card--purple .sb-btn--course-primary {
  background: #1d8f75;
  border-color: #1d8f75;
}
.sb-course-card--purple .sb-btn--course-primary:hover {
  background: #0f5f4b;
  border-color: #0f5f4b;
}

.sb-course-card--teal .sb-btn--course-primary {
  background: #177f69;
  border-color: #177f69;
}
.sb-course-card--teal .sb-btn--course-primary:hover {
  background: #0a5b49;
  border-color: #0a5b49;
}

.sb-btn--course-wa {
  flex: 1;
  background: #25d366;
  color: #ffffff;
  border-color: #25d366;
  padding: 0.65rem 1rem;
  font-size: var(--sb-text-xs);
}
.sb-btn--course-wa:hover {
  background: #20bd5a;
  color: #ffffff;
  border-color: #20bd5a;
}

.sb-btn--course-outline {
  flex: 1;
  background: transparent;
  color: var(--sb-muted);
  border-color: var(--sb-border);
  padding: 0.65rem 1rem;
  font-size: var(--sb-text-xs);
}
.sb-btn--course-outline:hover {
  background: var(--sb-lighter);
  color: var(--sb-dark-2);
  border-color: var(--sb-dark-3);
}

/* View All link row */
.sb-courses__all-link-wrap {
  text-align: center;
  margin-top: var(--sb-space-10);
}

.sb-courses .sb-btn--ghost {
  color: var(--sb-cream);
  border-color: rgba(253, 251, 212, 0.58);
  background: rgba(253, 251, 212, 0.08);
}

.sb-courses .sb-btn--ghost:hover {
  color: var(--sb-primary-dark);
  border-color: var(--sb-cream);
  background: var(--sb-cream);
}

.sb-courses .sb-section-title {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.sb-courses .sb-section-title .sb-highlight {
  display: inline-block;
  margin-top: 0.25rem;
}