:root{--color-bg:#2e3e50;--color-bg-alt:#f7f7f5;--color-text:#1a1a1a;--color-text-muted:#6b7280;--color-primary:#1d4ed8;--color-primary-hover:#1e40af;--color-border:#e5e7eb;--color-heading:#111827;--font-sans:system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;--space-xs:0.5rem;--space-sm:1rem;--space-md:1.5rem;--space-lg:2.5rem;--space-xl:4rem;--space-2xl:6rem;--max-width:1100px;--max-width-prose:680px;--radius:6px}*,*::before,*::after{box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{margin:0;background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);line-height:1.65;-webkit-font-smoothing:antialiased}img,svg{display:block;max-width:100%}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4,h5,h6{margin:0 0 var(--space-sm);color:var(--color-heading);line-height:1.25;font-weight:700}p{margin:0 0 var(--space-sm)}ul,ol{padding-left:var(--space-md);margin:0 0 var(--space-sm)}.container{width:100%;max-width:var(--max-width);margin-inline:auto;padding-inline:var(--space-md)}.site-header{border-bottom:1px solid var(--color-border);background:var(--color-bg);position:sticky;top:0;z-index:100}.nav{display:flex;align-items:center;justify-content:space-between;height:64px}.nav-logo{font-size:1.2rem;font-weight:800;color:var(--color-heading);letter-spacing:-.02em;text-decoration:none}.nav-logo:hover{text-decoration:none}.nav-links{list-style:none;margin:0;padding:0;display:flex;gap:var(--space-md)}.nav-links a{color:var(--color-text-muted);font-size:.95rem;font-weight:500;transition:color .15s}.nav-links a:hover,.nav-links a[aria-current=page]{color:var(--color-heading);text-decoration:none}.hero{padding:var(--space-2xl)0;text-align:center}.hero h1{font-size:clamp(2rem,5vw,3.5rem);letter-spacing:-.03em;margin-bottom:var(--space-sm)}.hero p{font-size:1.2rem;color:var(--color-text-muted);max-width:560px;margin-inline:auto;margin-bottom:var(--space-lg)}.btn{display:inline-block;padding:.65rem 1.5rem;border-radius:var(--radius);font-weight:600;font-size:.95rem;cursor:pointer;transition:background .15s,color .15s;text-decoration:none}.btn-primary{background:var(--color-primary);color:#fff;border:2px solid var(--color-primary)}.btn-primary:hover{background:var(--color-primary-hover);border-color:var(--color-primary-hover);text-decoration:none;color:#fff}.btn-outline{background:0 0;color:var(--color-primary);border:2px solid var(--color-primary)}.btn-outline:hover{background:var(--color-primary);color:#fff;text-decoration:none}.section{padding:var(--space-xl)0}.section-alt{background:var(--color-bg-alt)}.section-title{font-size:clamp(1.4rem,3vw,2rem);text-align:center;margin-bottom:var(--space-lg)}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:var(--space-md)}.feature-card{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius);padding:var(--space-md)}.feature-card h3{margin-bottom:var(--space-xs);font-size:1.1rem}.feature-card p{color:var(--color-text-muted);font-size:.95rem;margin:0}.prose{max-width:var(--max-width-prose);margin-inline:auto;padding:var(--space-xl)var(--space-md)}.prose h1{font-size:clamp(1.75rem,4vw,2.5rem);margin-bottom:var(--space-md)}.prose h2{font-size:1.4rem;margin-top:var(--space-lg)}.prose p,.prose li{color:var(--color-text);font-size:1rem}.contact-form{display:flex;flex-direction:column;gap:var(--space-sm);margin-top:var(--space-md)}.form-group{display:flex;flex-direction:column;gap:4px}.form-group label{font-size:.9rem;font-weight:600}.form-group input,.form-group textarea{border:1px solid var(--color-border);border-radius:var(--radius);padding:.5rem .75rem;font-family:var(--font-sans);font-size:1rem;width:100%;transition:border-color .15s}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--color-primary)}.form-group textarea{resize:vertical;min-height:120px}.site-footer{border-top:1px solid var(--color-border);padding:var(--space-lg)0;text-align:center;font-size:.9rem;color:var(--color-text-muted)}.site-footer a{color:var(--color-text-muted)}@media(max-width:640px){.nav-links{gap:var(--space-sm)}.hero{padding:var(--space-xl)0}}