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#1c1a171a;border-radius:6px;padding:20px 18px}@media (min-width:640px){.concepts-module__cQ59Fa__sheet{padding:26px 30px}}.dark .concepts-module__cQ59Fa__sheet{border-color:var(--border)}.concepts-module__cQ59Fa__h2{color:var(--foreground);font-size:1.5rem;font-weight:800;line-height:1.2}.concepts-module__cQ59Fa__cards{grid-template-columns:minmax(0,1fr);gap:22px;display:grid}@media (min-width:900px){.concepts-module__cQ59Fa__cards{grid-template-columns:repeat(3,minmax(0,1fr))}}.concepts-module__cQ59Fa__card{border:1.5px solid var(--foreground);background:var(--cs-card);color:var(--foreground);box-shadow:5px 5px 0 var(--sticker,var(--cs-yellow));border-radius:10px;flex-direction:column;gap:10px;padding:18px 18px 20px;text-decoration:none;transition:transform .1s;display:flex;position:relative}.concepts-module__cQ59Fa__card:hover{transform:translate(-2px,-2px)}.concepts-module__cQ59Fa__cards>li:nth-child(3n+1) .concepts-module__cQ59Fa__card{--sticker:var(--cs-yellow)}.concepts-module__cQ59Fa__cards>li:nth-child(3n+2) .concepts-module__cQ59Fa__card{--sticker:var(--cs-sky)}.concepts-module__cQ59Fa__cards>li:nth-child(3n+3) .concepts-module__cQ59Fa__card{--sticker:var(--cs-mint)}.concepts-module__cQ59Fa__cardHook{font-family:var(--font-hand), cursive;color:var(--nb-pen);font-size:1.35rem;font-weight:700;line-height:1.2}.concepts-module__cQ59Fa__cardMeta{font-family:var(--font-jetbrains), ui-monospace, monospace;color:var(--muted-foreground);margin-top:auto;font-size:.74rem;font-weight:700}.concepts-module__cQ59Fa__strip{border:1.5px solid var(--foreground);background:var(--card);box-shadow:5px 5px 0 var(--cs-sky);border-radius:12px;padding:18px}@media (min-width:640px){.concepts-module__cQ59Fa__strip{padding:22px 26px}}.concepts-module__cQ59Fa__stripList{gap:10px;margin-top:12px;display:grid}@media (min-width:768px){.concepts-module__cQ59Fa__stripList{grid-template-columns:repeat(3,minmax(0,1fr))}}.concepts-module__cQ59Fa__stripItem{border:1px dashed var(--border);color:var(--foreground);border-radius:8px;padding:10px 12px;text-decoration:none;display:block}.concepts-module__cQ59Fa__stripItem:hover{border-style:solid;border-color:var(--foreground)}.concepts-module__cQ59Fa__lessonLink{border:1.5px solid var(--foreground);background:var(--card);max-width:48rem;box-shadow:4px 4px 0 var(--cs-yellow);border-radius:10px;margin:24px auto 0;padding:14px 16px}