:root{--bg: #f6f8fa;--bg-elevated: #ffffff;--text: #1f2328;--text-muted: #656d76;--accent: #0969da;--accent-hover: #0550ae;--border: #d0d7de;--radius: 8px;--font: "DM Sans", system-ui, -apple-system, sans-serif;--max-width: 960px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;font-family:var(--font);font-size:1rem;line-height:1.6;color:var(--text);background-color:var(--bg);-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}.layout{min-height:100vh;display:flex;flex-direction:column}.header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;background:var(--bg);border-bottom:1px solid var(--border)}.logo{font-size:1.35rem;font-weight:700;color:var(--text);letter-spacing:-.02em}.logo:hover{color:var(--accent)}.nav{display:flex;gap:.5rem}.nav-link{padding:.5rem .75rem;color:var(--text-muted);font-size:.95rem;border-radius:var(--radius)}.nav-link:hover,.nav-link.active{color:var(--text)}.nav-link.active{background:var(--bg-elevated)}.main{flex:1;width:100%;max-width:var(--max-width);margin:0 auto;padding:2rem 1.5rem 4rem}.hero{padding:3rem 0 4rem;text-align:center}.hero h1{margin:0 0 .75rem;font-size:clamp(2rem,5vw,3rem);font-weight:700;letter-spacing:-.03em}.hero-tagline{margin:0 0 1rem;font-size:1.25rem;color:var(--accent);font-weight:500}.hero-desc{margin:0 auto 2rem;max-width:42ch;color:var(--text-muted);font-size:1.05rem}.hero-cta{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:center}.btn{display:inline-block;padding:.65rem 1.25rem;font-size:.95rem;font-weight:500;border-radius:var(--radius);transition:background .2s,color .2s}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover);color:#fff}.btn-secondary{border:1px solid var(--border);color:var(--text)}.btn-secondary:hover{background:var(--bg-elevated)}.home-section,.page-section{padding-top:2rem}.home-section h2,.page-section h1{margin:0 0 .5rem;font-size:1.75rem;font-weight:600;letter-spacing:-.02em}.section-lead{margin:0 0 2rem;color:var(--text-muted);max-width:55ch}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.25rem}.card{padding:1.5rem;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius)}.card h3{margin:0 0 .5rem;font-size:1.1rem;font-weight:600}.card p{margin:0;font-size:.95rem;color:var(--text-muted)}.services-list{list-style:none;margin:0;padding:0}.service-item{padding:1.5rem 0;border-bottom:1px solid var(--border)}.service-item:last-child{border-bottom:none}.service-item h3{margin:0 0 .35rem;font-size:1.15rem;font-weight:600}.service-item p{margin:0;color:var(--text-muted);font-size:.98rem}.portfolio-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}.portfolio-card{padding:1.5rem;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);display:flex;flex-direction:column}.portfolio-card-image{margin:-1.5rem -1.5rem 1rem;border-radius:var(--radius) var(--radius) 0 0;overflow:hidden;aspect-ratio:16/10;background:var(--border)}.portfolio-card-image img{width:100%;height:100%;object-fit:cover}.portfolio-card h3{margin:0 0 .5rem;font-size:1.15rem;font-weight:600}.portfolio-desc{margin:0 0 .5rem;font-size:.95rem;color:var(--text-muted);flex:1}.portfolio-scope{margin:0 0 .75rem;font-size:.85rem;color:var(--text-muted);opacity:.9}.portfolio-link{font-size:.9rem;font-weight:500}.contact-section .contact-placeholder{padding:1.5rem;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-muted)}.contact-placeholder ul{margin:.5rem 0 1rem 1.25rem}.contact-placeholder code{padding:.15rem .35rem;background:var(--bg);border-radius:4px;font-size:.9em}.footer{padding:1.5rem;text-align:center;border-top:1px solid var(--border);color:var(--text-muted);font-size:.9rem}.footer p{margin:0}@media(max-width:640px){.header{flex-direction:column;align-items:flex-start;gap:1rem}.nav{flex-wrap:wrap}}