.pack-preview{padding:64px 0;margin:32px 0}.pack-preview header{text-align:center;max-width:760px;margin:0 auto 36px}.pack-preview h2{font-size:clamp(32px,5vw,60px);text-transform:uppercase;margin:16px 0;font-weight:900;line-height:1.1}.pack-preview header p{color:var(--text-muted,#aaa);font-size:18px;line-height:1.7}.pack-preview-card{max-width:1024px;margin:auto;padding:32px;border:1px solid #ffffff20;border-radius:24px;background:#ffffff04}.pack-preview-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.pack-preview-tabs button{border:1px solid #ffffff20;border-radius:12px;padding:18px 12px;background:#ffffff04;color:inherit;cursor:pointer;font:inherit;transition:background .2s}.pack-preview-tabs strong,.pack-preview-tabs small{display:block}.pack-preview-tabs small{margin-top:6px;opacity:.75}.pack-preview-tabs .is-active{background:#eb0800;color:#fff;border-color:#eb0800}.pack-preview-wave{height:140px;display:flex;gap:6px;align-items:center;margin:22px 0}.pack-preview-wave i{flex:1;height:var(--bar);border-radius:3px;background:#eb0800}.pack-preview.is-playing .pack-preview-wave i{animation:pack-wave .8s ease-in-out infinite alternate}.pack-preview-wave i:nth-child(3n){animation-delay:-.4s}.pack-preview-wave i:nth-child(2n){animation-delay:-.2s}@keyframes pack-wave{to{transform:scaleY(.55)}}.pack-preview-controls{display:flex;align-items:center;gap:16px;border:1px solid #ffffff20;border-radius:12px;padding:18px}.pack-preview-controls button{color:#eb0800;font-size:26px;border:0;background:transparent;cursor:pointer}.pack-preview-controls input{flex:1;min-width:0;accent-color:#eb0800;cursor:pointer}.pack-preview-controls small{white-space:nowrap;font-variant-numeric:tabular-nums}.pack-preview-status{margin:12px 0 0;color:var(--text-muted,#aaa)}.pack-preview-status:empty{display:none}.course-information-card ol{padding-left:20px;line-height:1.9}.pack-preview button:focus-visible,.pack-preview input:focus-visible{outline:2px solid #eb0800;outline-offset:4px}@media(max-width:600px){.pack-preview{padding:32px 0}.pack-preview-card{padding:16px}.pack-preview-tabs{gap:6px}.pack-preview-tabs button{padding:14px 6px}.pack-preview-tabs small{font-size:11px}.pack-preview-wave{height:100px;gap:4px}.pack-preview-controls{gap:8px;padding:12px}.pack-preview-controls small{font-size:11px}}@media(prefers-reduced-motion:reduce){.pack-preview.is-playing .pack-preview-wave i{animation:none}}
.course-information-card ol li{padding-left:4px}.course-information-card ol li::before{content:none}.course-information-card ol{color:var(--muted)}
.pack-preview-tabs button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:0}.pack-preview-controls input{height:6px}
.pack-cover-presentation{margin-top:24px;border:1px solid var(--line);border-radius:18px;overflow:hidden}.pack-cover-presentation img{display:block;width:100%;height:auto}.pack-style-tags{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}.pack-style-tags span{padding:14px 22px;border:1px solid var(--line);border-radius:12px;background:var(--surface);font-weight:700;color:var(--text)}.pack-styles .course-information-card p{color:var(--muted);line-height:1.75;margin:0}.pack-styles{padding-top:24px}