.pricing-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;max-width:900px;margin-top:26px}.price-card{background:white;border:1px solid var(--line);border-radius:14px;padding:28px;box-shadow:0 6px 18px rgba(15,35,50,.06)}.price-card.featured{border:2px solid var(--teal)}.price-card h3{font-size:23px;color:var(--navy);margin:8px 0}.price small{font-size:14px;color:var(--muted)}.syllabus .module{position:relative;cursor:pointer;padding-right:90px}.syllabus .module:hover,.syllabus .module:focus{background:var(--sky);outline:2px solid transparent}.syllabus .module:after{content:'Open →';position:absolute;right:20px;color:var(--teal-dark);font-weight:800;font-size:13px}.explanation-steps{padding-left:24px}.explanation-steps li{margin:0 0 16px;line-height:1.65}.notation-table{border-left:4px solid var(--teal);background:var(--sky);padding:14px 20px;margin:18px 0 28px}.notation-table p{margin:8px 0;line-height:1.55}@media(max-width:700px){.pricing-grid,.referral-card{grid-template-columns:1fr}.learn-shell.with-ads{grid-template-columns:1fr}.ad-sidebar{border-left:0;border-top:1px solid var(--line)}}