/* ostadasadilc — inner pages (courses / teachers / page) */
.oas-page-hero {
  position: relative;
  padding: clamp(48px, 8vw, 88px) 0 clamp(36px, 5vw, 56px);
  background:
    linear-gradient(135deg, rgba(45, 15, 61, 0.94) 0%, rgba(74, 27, 93, 0.88) 55%, rgba(18, 8, 24, 0.92) 100%),
    radial-gradient(800px 280px at 10% 0%, rgba(212, 160, 23, 0.18), transparent 60%);
  color: #fff;
  overflow: hidden;
}

.oas-page-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 48px;
  background: linear-gradient(180deg, transparent, #fff);
  pointer-events: none;
}

.oas-page-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.oas-page-hero h1 {
  margin: 0 0 10px;
  font-size: clamp(1.4rem, 2.8vw, 2.1rem);
  font-weight: 800;
  color: #fff;
}

.oas-page-hero p {
  margin: 0 auto;
  max-width: 640px;
  opacity: 0.9;
  line-height: 1.8;
  font-size: 0.98rem;
}

.oas-breadcrumb {
  background: #f7f4f8;
  border-bottom: 1px solid #eee;
  padding: 12px 0;
}

.oas-breadcrumb-inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.86rem;
  color: #6b6570;
}

.oas-breadcrumb a {
  color: var(--primary-color, #2d0f3d);
  font-weight: 600;
}

.oas-breadcrumb i {
  font-size: 0.7rem;
  opacity: 0.55;
}

.oas-section {
  padding: clamp(28px, 4vw, 48px) 0 clamp(48px, 6vw, 80px);
}

.oas-filters {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
  padding: 14px;
  background: #fff;
  border-radius: 16px;
  box-shadow: var(--shadow-soft, 0 12px 40px rgba(45, 15, 61, 0.08));
}

.oas-filters-label {
  font-weight: 700;
  color: var(--primary-color, #2d0f3d);
  font-size: 0.9rem;
}

.oas-filter-btn {
  border: 1px solid #e8e0ee;
  background: #faf8fb;
  color: #3a3340;
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: 0.2s ease;
}

.oas-filter-btn:hover,
.oas-filter-btn.active {
  background: var(--primary-color, #2d0f3d);
  border-color: var(--primary-color, #2d0f3d);
  color: #fff;
}

.oas-filter-search {
  position: relative;
  margin-right: auto;
  min-width: min(260px, 100%);
}

.oas-filter-search i {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: #9a91a2;
  font-size: 0.85rem;
}

.oas-filter-search input {
  width: 100%;
  margin: 0;
  padding: 10px 36px 10px 14px;
  border-radius: 12px;
  background: #f4f0f6;
  border: 1px solid transparent;
}

.oas-filter-search input:focus {
  border-color: rgba(74, 27, 93, 0.35);
  background: #fff;
}

.oas-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.oas-course-card,
.oas-teacher-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  text-decoration: none !important;
  color: inherit;
  box-shadow: var(--shadow-soft, 0 12px 40px rgba(45, 15, 61, 0.08));
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  height: 100%;
}

.oas-course-card:hover,
.oas-teacher-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(45, 15, 61, 0.14);
  color: inherit;
}

.oas-card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #efe8f3;
}

.oas-teacher-card .oas-card-media {
  aspect-ratio: 3 / 4;
}

.oas-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.45s ease;
}

.oas-course-card:hover .oas-card-media img,
.oas-teacher-card:hover .oas-card-media img {
  transform: scale(1.05);
}

.oas-card-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(45, 15, 61, 0.92);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
}

.oas-card-body {
  padding: 1rem 1.1rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  flex: 1;
}

.oas-card-title {
  font-weight: 800;
  font-size: 1.05rem;
  margin: 0;
  color: #1f1724;
}

.oas-card-desc {
  color: #6b6570;
  font-size: 0.88rem;
  line-height: 1.7;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.oas-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.85rem;
  align-items: center;
  margin-top: auto;
  padding-top: 0.55rem;
  font-size: 0.8rem;
  color: #5c5563;
}

.oas-card-meta i {
  color: var(--primary-color, #2d0f3d);
  margin-left: 4px;
}

.oas-card-price {
  margin-right: auto;
  color: var(--accent-warm, #d4a017);
  font-weight: 800;
}

.oas-card-more {
  margin-top: auto;
  padding-top: 0.55rem;
  font-size: 0.85rem;
  color: var(--primary-color, #2d0f3d);
  font-weight: 700;
}

.oas-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.oas-tag {
  background: #f0eaf4;
  color: #4a1b5d;
  font-size: 0.72rem;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  font-weight: 700;
}

.oas-pagination {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.oas-page-btn {
  min-width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid #e2dceb;
  background: #fff;
  cursor: pointer;
  font-weight: 700;
  color: #3a3340;
}

.oas-page-btn.active,
.oas-page-btn:hover:not([disabled]) {
  background: var(--primary-color, #2d0f3d);
  color: #fff;
  border-color: var(--primary-color, #2d0f3d);
}

.oas-page-btn[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
}

/* detail layout */
.oas-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 1.5rem;
  align-items: start;
}

.oas-detail-main {
  background: #fff;
  border-radius: 18px;
  padding: 1.25rem;
  box-shadow: var(--shadow-soft, 0 12px 40px rgba(45, 15, 61, 0.08));
}

.oas-detail-hero-img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: 14px;
  margin-bottom: 1.25rem;
}

.oas-detail-section {
  margin-bottom: 1.5rem;
}

.oas-detail-section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary-color, #2d0f3d);
  margin-bottom: 0.85rem;
}

.oas-detail-text {
  color: #4a4450;
  line-height: 1.9;
  font-size: 0.95rem;
}

.oas-detail-text img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
}

.oas-curriculum {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.oas-curriculum-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: #f7f4f8;
}

.oas-curriculum-num {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--primary-color, #2d0f3d);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  flex-shrink: 0;
}

.oas-curriculum-title {
  flex: 1;
  font-weight: 700;
  color: #2a2430;
}

.oas-side-card {
  position: sticky;
  top: 100px;
  background: #fff;
  border-radius: 18px;
  padding: 1.25rem;
  box-shadow: var(--shadow-soft, 0 12px 40px rgba(45, 15, 61, 0.08));
  border: 1px solid #f0eaf4;
}

.oas-side-price {
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--primary-color, #2d0f3d);
  margin-bottom: 0.35rem;
}

.oas-side-price span {
  font-size: 0.85rem;
  font-weight: 600;
  color: #8a8191;
}

.oas-side-meta {
  color: #6b6570;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.oas-side-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  height: 46px;
  border-radius: 12px;
  background: var(--primary-color, #2d0f3d);
  color: #fff !important;
  font-weight: 800;
  margin-bottom: 8px;
  text-decoration: none !important;
}

.oas-side-btn:hover {
  background: var(--primary-color-hover, #4a1b5d);
  color: #fff !important;
}

.oas-side-btn-alt {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  height: 46px;
  border-radius: 12px;
  background: #121212;
  color: #fff !important;
  font-weight: 700;
  margin-bottom: 14px;
  text-decoration: none !important;
}

.oas-side-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 8px;
  border-top: 1px solid #efe8f3;
}

.oas-side-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: #4a4450;
}

.oas-side-feature i {
  color: var(--accent-warm, #d4a017);
  width: 18px;
  text-align: center;
}

/* about / cms page */
.oas-about-wrap {
  max-width: 920px;
  margin: 0 auto;
}

.oas-about-card {
  background: #fff;
  border-radius: 20px;
  padding: clamp(1.25rem, 3vw, 2rem);
  box-shadow: var(--shadow-soft, 0 12px 40px rgba(45, 15, 61, 0.08));
  border: 1px solid #f0eaf4;
}

.oas-about-card .ck-content,
.oas-about-card article {
  color: #3f3846;
  line-height: 2;
  font-size: 1rem;
}

.oas-about-card .ck-content h2,
.oas-about-card .ck-content h3 {
  color: var(--primary-color, #2d0f3d);
  font-weight: 800;
  margin-top: 1.4rem;
}

.oas-about-card img {
  max-width: 100%;
  border-radius: 14px;
}

.oas-about-cta {
  margin-top: 1.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.oas-cards-grid.oas-teachers-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (max-width: 992px) {
  .oas-cards-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .oas-cards-grid.oas-teachers-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .oas-detail-layout {
    grid-template-columns: 1fr;
  }

  .oas-side-card {
    position: static;
  }

  .oas-filter-search {
    margin-right: 0;
    width: 100%;
  }
}

@media (max-width: 576px) {
  .oas-cards-grid,
  .oas-cards-grid.oas-teachers-grid {
    grid-template-columns: 1fr;
  }
}