.course-details-container{max-width:1320px!important;margin-left:auto!important;margin-right:auto!important;padding-left:16px!important;padding-right:16px!important}.course-header{position:relative;overflow:hidden;background:linear-gradient(135deg,#ffffff,#f2f7fa 52%,#eef4f8);border-bottom:1px solid rgba(0,78,122,.08);padding:32px 0 36px}@media (min-width:900px){.course-header{padding:40px 0 44px}}.course-header-top-accent{position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--home-primary,#004e7a),#3d9fd4)}.course-header-panel{position:relative;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:clamp(20px,3vw,28px);border-radius:20px;background:rgba(255,255,255,.72);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.85);box-shadow:0 1px 2px rgba(0,78,122,.04),0 12px 36px rgba(0,78,122,.08)}.course-header-main{flex:1;min-width:0}.course-header-topic{margin-bottom:10px!important;font-size:.6875rem!important;letter-spacing:.12em;text-transform:uppercase;color:var(--home-primary,#004e7a)!important;background:rgba(0,78,122,.08);border:1px solid rgba(0,78,122,.12);padding:5px 12px;border-radius:999px}.course-header-code-pill,.course-header-topic{display:inline-block!important;font-weight:700!important}.course-header-code-pill{margin-bottom:12px!important;font-size:.8125rem!important;letter-spacing:.06em;color:#fff!important;background:linear-gradient(135deg,var(--home-primary,#004e7a) 0,#005a8f 100%);padding:6px 14px;border-radius:8px;box-shadow:0 4px 14px rgba(0,78,122,.22)}.course-header-title{font-size:clamp(1.5rem,3.2vw,2.25rem)!important;font-weight:700!important;letter-spacing:-.025em;line-height:1.18!important;color:var(--home-text,#212529)!important;margin:0!important}.course-header-accent-line{width:56px;height:4px;margin-top:14px;border-radius:999px;background:linear-gradient(90deg,var(--home-primary,#004e7a),#3d9fd4)}.course-header-thumb-wrap{flex-shrink:0;display:flex;align-items:center;justify-content:center;padding:10px;border-radius:18px;background:linear-gradient(145deg,rgba(0,78,122,.06),rgba(246,246,232,.5));border:1px solid rgba(0,78,122,.1);box-shadow:inset 0 1px 0 rgba(255,255,255,.8)}.course-header-thumb{display:block;width:72px;height:72px;object-fit:contain;border-radius:12px}@media (min-width:900px){.course-header-thumb{width:96px;height:96px}.course-header-thumb-wrap{padding:14px}}@media (max-width:699px){.course-header-panel{flex-direction:column;align-items:flex-start}.course-header-thumb-wrap{align-self:center}.course-header-accent-line{margin-left:auto;margin-right:auto}.course-header-main{text-align:center;width:100%}}