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h2{text-align:center;font-size:2.5rem;font-weight:800;margin-bottom:60px}.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:40px}@media (max-width:768px){.case-studies-hero{padding:110px 5% 60px}.case-hero h1,.case-studies-hero h1{font-size:2rem}.filter-buttons{flex-wrap:wrap;gap:.5rem}.case-studies-grid{grid-template-columns:1fr;padding:60px 5%;gap:2rem}.case-study-card{max-width:100%}.case-metrics{grid-template-columns:1fr;gap:15px}.case-tags{flex-wrap:wrap}.results-grid{grid-template-columns:1fr 1fr;gap:40px}.result-number{font-size:3rem}.cta-buttons{flex-direction:column;gap:1rem}.btn-lg{width:100%}.case-hero{padding:110px 5% 60px}.case-meta{flex-direction:column;gap:20px}.stats-grid{grid-template-columns:1fr 1fr;gap:1.5rem}.image-grid,.related-grid{grid-template-columns:1fr}.content-section{padding:60px 5%}.approach-grid,.challenge-grid{grid-template-columns:1fr}}@media (max-width:600px){.case-hero,.case-studies-hero{padding:100px 5% 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