*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,sans-serif;color:#111827;background:#f9fafb}.site-header{position:sticky;top:0;z-index:1000;background:#fff;border-bottom:1px solid #e5e7eb}.site-header.scrolled{box-shadow:0 2px 10px #0000000f}.nav-container{max-width:1200px;margin:0 auto;padding:.75rem 2rem;display:flex;justify-content:space-between;align-items:center}.nav-brand{font-size:1.5rem;font-weight:700;color:#1d4ed8;white-space:nowrap}.nav-links{list-style:none;display:flex;align-items:center;gap:1.75rem;margin:0;padding:0}.nav-links a{position:relative;font-weight:500;text-decoration:none;color:#374151;padding:.25rem 0;transition:color .25s ease}.nav-links a:after{content:"";position:absolute;left:0;bottom:-4px;width:0%;height:2px;background-color:#1d4ed8;transition:width .25s ease}.nav-links a:hover{color:#1d4ed8}.nav-links a:hover:after{width:100%}.nav-links a.active{color:#1d4ed8;font-weight:600}.nav-links a.active:after{width:100%}.content{max-width:960px;margin:0 auto;padding:3rem 2rem}.home h1{font-size:2.75rem;margin-bottom:1.5rem}.home p{font-size:1.05rem;line-height:1.7;margin-bottom:1.25rem;color:#374151}.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:0}.nav-toggle span{display:block;width:24px;height:2px;background-color:#111827;margin:5px 0;transition:transform .3s ease,opacity .3s ease}.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav-toggle.open span:nth-child(2){opacity:0}.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}@media (max-width: 768px){.nav-toggle{display:block}.nav-links{position:absolute;top:64px;left:0;right:0;background:#fff;border-bottom:1px solid #e5e7eb;flex-direction:column;align-items:flex-start;padding:1.25rem 2rem;gap:1.25rem;max-height:0;overflow:hidden;opacity:0;pointer-events:none;transition:max-height .35s ease,opacity .25s ease}.nav-links a{font-size:1.1rem}.nav-links.open{max-height:400px;opacity:1;pointer-events:auto}}