*{margin:0;padding:0;box-sizing:border-box}body{font-family:Helvetica Neue,Arial,sans-serif;min-height:100vh;background-color:#0a0a0a;color:#fff;display:flex;justify-content:center;padding:0;overflow-x:hidden}h1,h2,h3{margin-bottom:1rem;font-weight:600;line-height:1.2}h1{font-size:clamp(2rem,4vw,3rem)}h2{font-size:clamp(1.75rem,3.5vw,2.5rem)}h3{font-size:clamp(1.5rem,3vw,2rem)}a{color:#3b82f6;text-decoration:none;transition:color .3s ease}a:hover{color:#2563eb}button{border-radius:.25rem;border:1px solid transparent;padding:.75rem 1.5rem;font-size:1rem;font-weight:500;cursor:pointer;background-color:#3b82f6;color:#fff;transition:background-color .3s ease,transform .3s ease}button:hover{background-color:#1e40af;transform:translateY(-1px)}button:focus,button:focus-visible{outline:2px solid #3b82f6;outline-offset:2px}button:disabled{background-color:#4b5563;cursor:not-allowed}input,select,textarea{width:100%;padding:.75rem;border:1px solid #4b5563;border-radius:.25rem;font-size:1rem;background-color:#1f2937;color:#fff;transition:border-color .3s ease}input:focus,select:focus,textarea:focus{border-color:#3b82f6;outline:none}textarea{resize:vertical;min-height:6rem}.section{opacity:0;transform:translateY(50px);transition:opacity .6s ease,transform .6s ease}.section.visible{opacity:1;transform:translateY(0)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideIn{0%{transform:translate(-100px);opacity:0}to{transform:translate(0);opacity:1}}#root{width:100%;margin:0;padding:0;animation:fadeIn .5s ease-out}.navbar{position:sticky;top:0;background-color:#1f2937;color:#fff;padding:1rem;display:flex;justify-content:space-between;align-items:center;box-shadow:0 2px 4px #0003;z-index:1000}.nav-links{display:flex;gap:1.5rem}.nav-links a{color:#fff;font-weight:500;transition:color .3s ease}.nav-links a:hover{color:#3b82f6}.content{padding:0 1rem;width:100%}.hero{background-color:#1f2937;color:#fff;padding:4rem 1rem;text-align:center;margin-bottom:2rem;box-shadow:0 2px 4px #0003;width:100%}.hero-content{max-width:1200px;margin:0 auto;padding:0 1rem}.section{padding:3rem 1rem;background-color:#fff;color:#1f2937;margin-bottom:2rem;box-shadow:0 2px 4px #0000001a;width:100%}.feature-grid{display:grid;grid-template-columns:1fr;gap:1.5rem;width:100%}.feature-card{padding:1.5rem;background-color:#fff;border-radius:.25rem;box-shadow:0 2px 4px #0000001a;text-align:center;color:#1f2937}.footer{background-color:#1f2937;color:#fff;padding:1.5rem 1rem;text-align:center;margin-top:2rem;box-shadow:0 -2px 4px #0003}@media (min-width: 640px){.content{padding:0 2rem}.hero{padding:5rem 2rem}.section{padding:3.5rem 2rem}.hero-content{padding:0 2rem}.feature-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width: 1024px){.feature-grid{grid-template-columns:repeat(4,1fr)}.hero{padding:6rem 2rem}.section{padding:4rem 2rem}.hero-content{padding:0 2rem}}