.course-detail-page{background:#fffaf2;color:#3d1717}.course-detail-hero{background:linear-gradient(135deg,#4d0000,#650000);color:#fff}.course-detail-hero h1{font-size:clamp(34px,5vw,58px);font-weight:900;line-height:1.05;margin:10px 0}.course-code{font-size:13px;letter-spacing:2px;opacity:.8;font-weight:800}.course-meta{font-weight:700;opacity:.9}.course-purpose{font-size:17px;line-height:1.8;max-width:760px;opacity:.92}.course-pill{display:inline-flex;padding:8px 14px;border-radius:999px;background:#d4af37;color:#3d1717;font-size:12px;font-weight:800}.course-pill-light{background:rgba(255,255,255,.14);color:#fff}.course-buy-card,.course-side-card{background:#fff;border-radius:22px;padding:25px;box-shadow:0 18px 50px rgba(0,0,0,.12);color:#3d1717}.course-price{font-size:34px;font-weight:900;margin-bottom:15px}.course-progress-label{display:flex;justify-content:space-between;font-size:13px;font-weight:700}.course-progress{height:9px}.course-progress .progress-bar{background:#650000}.course-section{background:#fff;border:1px solid #eadfc8;border-radius:22px;padding:28px;margin-bottom:25px}.course-section h2{font-size:28px;font-weight:900;color:#4d0000;margin:8px 0 20px}.outcome-box{background:#fffdf7;border-left:5px solid #d4af37}.section-kicker{font-size:11px;letter-spacing:1.5px;font-weight:900;color:#a47700}.section-heading-row{display:flex;justify-content:space-between;gap:15px;align-items:end}.lesson-total{font-size:13px;font-weight:800;color:#777}.module-card{display:grid;grid-template-columns:55px 1fr auto;gap:16px;align-items:start;padding:20px 0;border-top:1px solid #eee4d3}.module-card:first-child{border-top:0}.module-number{width:44px;height:44px;border-radius:14px;background:#650000;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900}.module-main h3{font-size:18px;font-weight:900;margin:0 0 7px;color:#4d0000}.module-main p{font-size:14px;color:#777;margin:0 0 12px;line-height:1.6}.module-count{font-size:12px;color:#777;font-weight:800;white-space:nowrap}.lesson-list{border-top:1px solid #f0eadf}.lesson-row{display:flex;gap:9px;padding:8px 0;font-size:13px;color:#555}.lesson-row span:first-child{font-weight:900;color:#650000}.snapshot-row{display:flex;justify-content:space-between;gap:15px;padding:14px 0;border-bottom:1px solid #eee4d3;font-size:13px}.snapshot-row:last-child{border-bottom:0}.snapshot-row span{color:#777}.snapshot-row strong{text-align:right;color:#4d0000}.prerequisite-list{line-height:1.9;color:#666}.empty-course{padding:20px;background:#fffaf2;border-radius:14px;color:#777}@media(max-width:767px){.course-buy-card{margin-top:10px}.module-card{grid-template-columns:45px 1fr}.module-count{grid-column:2}.course-section{padding:20px}.section-heading-row{align-items:start;flex-direction:column}}


/* Detail Page Multi-Image Gallery Slider & Dynamic Pricing */
.course-gallery-box {
  background: #111827;
  border-radius: 20px;
  overflow: hidden;
  margin-bottom: 30px;
  border: 1px solid rgba(212,175,55,0.25);
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}
.course-gallery-main {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
  overflow: hidden;
}
.course-gallery-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease-in-out, transform 0.5s ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
}
.course-gallery-slide.active {
  opacity: 1;
  visibility: visible;
}
.course-gallery-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.course-gallery-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.65);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.2);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  cursor: pointer;
  transition: all 0.2s;
  z-index: 10;
}
.course-gallery-nav-btn:hover {
  background: #d4af37;
  color: #111827;
  border-color: #d4af37;
}
.course-gallery-prev { left: 16px; }
.course-gallery-next { right: 16px; }
.course-gallery-thumbs {
  display: flex;
  gap: 10px;
  padding: 12px 16px;
  overflow-x: auto;
  background: #1a1e27;
  scrollbar-width: thin;
}
.course-gallery-thumb {
  width: 78px;
  height: 48px;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  opacity: 0.6;
  flex-shrink: 0;
  transition: all 0.2s;
}
.course-gallery-thumb.active, .course-gallery-thumb:hover {
  border-color: #d4af37;
  opacity: 1;
  transform: translateY(-2px);
}
.course-gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.price-strike {
  text-decoration: line-through;
  color: #888;
  font-size: 16px;
  margin-right: 6px;
}
.discount-chip {
  background: #dc2626;
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 6px;
  vertical-align: middle;
}
.savings-callout {
  font-size: 12px;
  color: #16a34a;
  font-weight: 700;
  margin-top: -8px;
  margin-bottom: 12px;
}