.course__start{display:flex;align-items:center;justify-content:center;gap:10px;width:min(100%,390px);margin:22px auto 7px;padding:16px 20px;border:0;border-radius:15px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#080808;font:900 17px Inter,Arial,sans-serif;cursor:pointer;box-shadow:0 0 0 0 var(--glow);animation:coursePulse 1.8s infinite}.course__start-note{display:block;color:#999}.lesson__callout{display:flex;align-items:center;justify-content:center;gap:8px;width:max-content;max-width:100%;margin:14px auto -7px;padding:7px 12px;border:1px solid var(--accent);border-radius:999px;color:var(--accent);font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.7px}.lesson__duration{display:flex;align-items:center;justify-content:center;gap:7px;margin:-9px 0 13px;color:#aaa;font-size:13px}.lesson__play-prompt{display:flex;align-items:center;justify-content:center;gap:9px;width:min(100%,380px);margin:0 auto 13px;padding:13px 17px;border:1px solid var(--accent);border-radius:13px;background:rgba(255,198,0,.08);color:var(--accent);font:900 14px Inter,Arial,sans-serif;cursor:pointer}.lesson__play-prompt:hover{background:var(--accent);color:#080808}@keyframes coursePulse{70%{box-shadow:0 0 0 15px rgba(255,198,0,0)}100%{box-shadow:0 0 0 0 rgba(255,198,0,0)}}@media(max-width:520px){.course__hero{padding-bottom:28px}.course__start{font-size:15px;padding:14px 16px;margin-top:18px}.lesson__play-prompt{font-size:13px}}