body {
  font-family: -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Arial,sans-serif;
  margin:0;
  background:#f5f5f7;
  color:#111;
}

header {
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:1rem 2rem;
  background:white;
  border-bottom:1px solid #e5e5e5;
  position:sticky;
  top:0;
}

nav a {
  margin-left:1.5rem;
  text-decoration:none;
  color:#111;
  font-weight:500;
}

.hero {
  padding:4rem 2rem 2rem 2rem;
  max-width:1100px;
  margin:auto;
}

.hero h1 {
  font-size:2.2rem;
  margin-bottom:0.5rem;
}

.container {
  max-width:1100px;
  margin:auto;
  padding:1rem 2rem 3rem 2rem;
}

.grid {
  display:grid;
  gap:1.2rem;
}

.portfolio-grid {
  grid-template-columns:1fr;
}

.card {
  background:white;
  border-radius:12px;
  overflow:hidden;
  box-shadow:0 4px 14px rgba(0,0,0,0.05);
}

.card h3 {
  margin:0.6rem 1rem 0.2rem 1rem;
}

.card p {
  margin:0 1rem 1rem 1rem;
  color:#444;
}

.card img, video {
  width:100%;
  display:block;
}

.lightbox {
  position:fixed;
  inset:0;
  background:rgba(0,0,0,0.85);
  display:none;
  justify-content:center;
  align-items:center;
}

.lightbox img, .lightbox video {
  max-width:90%;
  max-height:90%;
}

@media(min-width:700px){
  .portfolio-grid {
    grid-template-columns:repeat(2,1fr);
  }
}

@media(min-width:1000px){
  .portfolio-grid {
    grid-template-columns:repeat(3,1fr);
  }
}

.footer {
	  background:#111;
	    color:#eee;
	      margin-top:3rem;
      }

      .footer-inner {
	        max-width:1100px;
		  margin:auto;
		    padding:2.5rem 2rem;
		      display:grid;
		        gap:2rem;
		}

		.footer a {
			  color:#bbb;
			    text-decoration:none;
		    }

		    .footer a:hover {
			      color:white;
		      }

		      @media(min-width:700px){
			        .footer-inner {
					    grid-template-columns:repeat(3,1fr);
					      }
				      }