.learn-header{background:#0c2344;color:white;padding:18px max(24px,calc((100vw - 1100px)/2));display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.learn-header a{color:white;text-decoration:none;font-weight:650}.learn-header nav{display:flex;gap:20px}.learn-container{max-width:980px;margin:40px auto;padding:0 22px 80px;color:#142c48;min-height:60vh}.learn-container h1{font-size:2rem}.learn-card,.lesson-row,.learn-alert{background:#fff;border:1px solid #d8e3ec;border-radius:12px;padding:20px;margin:16px 0}.lesson-row{display:flex;justify-content:space-between}.learn-button{border:0;border-radius:9px;padding:13px 20px;background:#0b7690;color:white;cursor:pointer;font-weight:700}.learn-container progress{width:100%;height:15px;accent-color:#0b7690}.video-frame{position:relative;aspect-ratio:16/9;max-width:900px}.video-frame iframe{width:100%;height:100%;border:0}.lesson-content{margin:25px 0;line-height:1.8;white-space:normal}