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768px){.hero-section{grid-template-columns:1fr;gap:2rem}.hero-content h1{font-size:2.5rem}.expertise-grid{grid-template-columns:1fr}}.page-template{padding:2rem 0}.page-container{max-width:1200px;margin:0 auto;padding:0 2rem}.page-title{font-size:2.5rem;color:#000;text-align:center;margin-bottom:3rem}.content-section{margin-bottom:3rem}.content-section h2{font-size:2rem;color:#000;margin-bottom:2rem;text-align:center}.content-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}.content-card{background:#fff;padding:2rem;border-radius:12px;border:2px solid #000000;box-shadow:0 4px 6px #0000001a;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}.content-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px #f443;border-color:#f44}.content-card h3{font-size:1.5rem;color:#000;margin-bottom:1rem;text-align:center}.content-card ul{list-style:none;padding:0}.content-card li{padding:.5rem 0;border-bottom:1px solid #e0e0e0;color:#333}.content-card li:last-child{border-bottom:none}.features-section{margin-top:3rem}.features-section h2{font-size:2rem;color:#000;margin-bottom:2rem;text-align:center}.placeholder{color:#888;text-align:center;font-size:1.2rem;padding:6rem 0}.features-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}.features-list a.feature-item{display:block;color:inherit;text-decoration:none}.feature-item{background:#fff;padding:2rem;border-radius:12px;border:2px solid #000000;box-shadow:0 4px 6px #0000001a;text-align:center;transition:transform .3s ease,border-color .3s ease}.feature-item:hover{transform:translateY(-3px);border-color:#f44}.feature-item h4{font-size:1.3rem;color:#000;margin-bottom:1rem}.feature-item p{color:#333;line-height:1.6}@media (max-width: 768px){.page-title{font-size:2rem}.content-grid,.features-list{grid-template-columns:1fr}}.back-to-top{position:fixed;right:1.25rem;bottom:1.25rem;width:48px;height:48px;border-radius:50%;background:#f44;color:#fff;box-shadow:0 8px 20px #ff444440;cursor:pointer;border:none;outline:none;-webkit-appearance:none;appearance:none;display:flex;align-items:center;justify-content:center;font-size:1.25rem;opacity:0;transform:translateY(10px);transition:opacity .2s ease,transform .2s ease;z-index:1000}.back-to-top.show{opacity:1;transform:translateY(0)}.back-to-top:hover{filter:brightness(1.05)}.back-to-top:focus,.back-to-top:focus-visible{outline:none;box-shadow:0 0 0 3px #ff444459}@media (max-width: 768px){.back-to-top{right:1rem;bottom:1rem;width:44px;height:44px}}.App{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1}