/* ==========================================================================
   Trang danh sách khóa học
   ========================================================================== */

.page-courses .headerSection {
  position: relative;
  isolation: isolate;
  padding: var(--space-9) 0 var(--space-7);
  overflow: hidden;
}

.page-courses .headerSection::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: var(--leaf-pattern);
  background-size: var(--leaf-pattern-size);
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.05;
  pointer-events: none;
}

.page-courses .headerSection .section-title {
  font-size: clamp(2rem, 1.4rem + 2.6vw, 2.75rem);
}

/* --------------------------------------------------------------------------
   Lưới khóa học
   -------------------------------------------------------------------------- */

.page-courses .courseGrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-6);
}

.page-courses .courseCard {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-color: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-courses .courseCard:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.page-courses .courseTag {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 2;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  background-color: var(--brand);
  color: var(--on-brand);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  box-shadow: var(--shadow-sm);
}

.page-courses .courseImg {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-courses .courseContent {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: var(--space-5);
}

.page-courses .courseTitle {
  margin-bottom: var(--space-2);
  font-size: var(--text-xl);
}

.page-courses .courseDesc {
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--text-secondary);
}

/* --- Ba lợi ích nổi bật --------------------------------------------------- */

.page-courses .featureList {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-color);
}

.page-courses .featureList li {
  position: relative;
  padding-left: var(--space-6);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Dấu tích vẽ bằng SVG thay cho ký tự ✓ — ký tự đổi hình theo font hệ thống và
   trình đọc màn hình đọc luôn tên nó giữa câu. */
.page-courses .featureList li::before {
  content: '';
  position: absolute;
  top: 4px;
  left: 0;
  width: 16px;
  height: 16px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M3.2 8.4l3 3 6.6-7' stroke='%233b524f' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-size: contain;
}

.page-courses .coursePrice {
  margin-top: auto;
  padding: var(--space-5) 0 var(--space-4);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--brand);
  font-variant-numeric: tabular-nums;
}

/* --------------------------------------------------------------------------
   Khối tư vấn cuối trang
   -------------------------------------------------------------------------- */

.page-courses .consultBox {
  max-width: 62ch;
  margin: 0 auto;
  padding: var(--space-7);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  background-color: var(--surface);
  box-shadow: var(--shadow-sm);
}

.page-courses .consultBox h2 {
  margin-bottom: var(--space-3);
  font-size: clamp(1.375rem, 1.1rem + 1.2vw, 1.75rem);
}

.page-courses .consultBox p {
  color: var(--text-secondary);
  line-height: 1.75;
}

/* --------------------------------------------------------------------------
   Điểm dừng
   -------------------------------------------------------------------------- */

@media (max-width: 640px) {
  .page-courses .headerSection {
    padding: var(--space-7) 0 var(--space-6);
  }

  .page-courses .courseGrid {
    grid-template-columns: 1fr;
  }

  .page-courses .consultBox {
    padding: var(--space-5);
  }
}