.course-sections{margin:28px 0}.course-sections>h2{margin-bottom:18px;font-size:24px}.course-section-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;display:grid}.course-section-choice{text-align:left;color:#1c2925;cursor:pointer;background:#fff;border:1px solid #b8c5be;border-top:4px solid #173f35;border-radius:8px;flex-direction:column;gap:12px;min-height:130px;padding:24px 18px;display:flex}.course-section-choice strong{font-size:25px}.course-section-choice span{font-size:14px;line-height:1.6}.course-section-choice[aria-pressed=true]{color:#fff;background:#173f35;border-color:#173f35}.course-section-choice:focus-visible{outline-offset:4px;outline:3px solid #c9894b}.course-section-heading button:focus-visible{outline-offset:4px;outline:3px solid #c9894b}.course-section-heading{justify-content:space-between;align-items:center;gap:16px;margin:28px 0 18px;display:flex}.course-section-heading h2{margin:0}.course-section-heading button{color:#173f35;cursor:pointer;background:#fff;border:1px solid #b8c5be;border-radius:6px;padding:10px 14px}.course-section-hint,.course-section-empty{color:#53635b;padding:20px 0;line-height:1.8}@media (max-width:700px){.course-section-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.course-section-choice{padding:20px 14px}}