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var(--green);outline-offset:2px}.card{background:var(--card);border:1px solid var(--card-line);border-radius:var(--radius-lg);padding:22px 24px}.hero{padding:24px 0 40px}.hero h1{margin:.15em 0 .3em;font-size:clamp(2.4rem,7vw,3.8rem)}.course-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin:12px 0 0;padding:0;list-style:none;display:grid}.card-link{height:100%;color:var(--body);flex-direction:column;gap:8px;text-decoration:none;transition:border-color .15s,transform .15s;display:flex}.card-link:hover{border-color:#7ee78780;transform:translateY(-2px)}.card-title{letter-spacing:-.02em;color:var(--text);font-size:1.35rem;font-weight:800}.lang{font:600 .85rem var(--font-mono);color:var(--green)}.tags{flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:8px;display:flex}.tag{border:1px solid var(--card-line);font:.8rem var(--font-mono);color:var(--muted);border-radius:999px;padding:2px 10px}.note{margin-top:28px}.module 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