/* Basic reset and typography */
* { box-sizing: border-box; }
html { font-size: 16px; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: #222;
  background: #fafafa;
}

/* Layout */
.container { max-width: 960px; margin: 0 auto; padding: 1rem; }

/* Header & Nav */
header { background: #ffffff; border-bottom: 1px solid #eee; position: sticky; top: 0; z-index: 10; }
.brand { font-weight: 700; font-size: 1.25rem; padding: .75rem 0; }
nav { display: flex; gap: 1rem; flex-wrap: wrap; }
nav a {
  text-decoration: none;
  color: #333;
  padding: .5rem .75rem;
  border-radius: .5rem;
}
nav a:hover, nav a[aria-current="page"] { background: #efefef; }

/* Main */
main { padding: 2rem 0; min-height: 60vh; }
h1, h2, h3 { line-height: 1.2; }
.lead { font-size: 1.125rem; color: #555; }

/* Cards */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; }
.card {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 1rem;
  padding: 1rem;
  box-shadow: 0 1px 2px rgba(0,0,0,.04);
}

/* Footer */
footer { border-top: 1px solid #eee; background: #fff; }
footer .container { padding: 1.25rem; color: #666; font-size: .95rem; }

/* Forms (contacts placeholder) */
form { display: grid; gap: .75rem; max-width: 560px; }
label { font-weight: 600; }
input, textarea {
  width: 100%;
  padding: .65rem .75rem;
  border: 1px solid #ddd;
  border-radius: .5rem;
  font: inherit;
  background: #fff;
}
button {
  border: 0;
  padding: .75rem 1rem;
  border-radius: .65rem;
  background: #111;
  color: #fff;
  cursor: pointer;
}
button:hover { opacity: .9; }

/* Accessibility helpers */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: #111; color: #fff;
  padding: .5rem .75rem;
  border-radius: .5rem;
}
.skip-link:focus { top: 10px; }