main{padding:clamp(2rem,5vw,6rem)}.content-grid{display:grid;grid-template-columns:1fr;gap:1.5rem;margin-top:1.75rem}@media (min-width: 900px){.content-grid{grid-template-columns:1fr 320px;align-items:start;gap:2rem}}.resource-aside{position:relative}@media (min-width: 900px){.resource-aside{position:sticky;top:calc(2rem + 80px)}}.callout{border-radius:1.25rem;border:1px solid rgba(148,163,184,.35);background:#fffc;padding:1.25rem;box-shadow:0 18px 45px #0f172a14}.callout h2{font-size:1.1rem;margin:0 0 .5rem}.callout p{margin:0 0 1rem;color:#475569;line-height:1.55}