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var(--color-gray-200);transition:var(--transition)}.feature-card:hover{background:var(--color-white);box-shadow:var(--shadow-lg)}.feature-icon{font-size:2.5rem;color:var(--color-black);margin-bottom:1rem}.feature-title{font-size:1.25rem;font-weight:700;margin-bottom:.75rem}.feature-description{color:var(--color-gray-600);line-height:1.6}@media (max-width: 768px){.hero{padding:3rem 1rem}.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.125rem}.tool-card{padding:1.5rem}.features-title{font-size:2rem}.features-grid{grid-template-columns:1fr;gap:1.5rem}}@media (max-width: 480px){.hero{padding:2rem 1rem}.hero-title{font-size:2rem}.hero-subtitle{font-size:1rem;padding:0 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