* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #f9fafb;
  font-family: system-ui, sans-serif;
  color: #111;
  line-height: 1.6;
}

.container {
  max-width: 960px;
  margin: auto;
  padding: 60px 24px;
}

/* LOGO */
.logo {
  width: 170px;
  margin-bottom: 16px;
}

/* HEADINGS */
h1, h3 {
  font-family: Georgia, serif;
  font-weight: normal;
}

/* HERO */
.hero {
  margin-bottom: 40px;
}

.tagline {
  color: #555;
}

/* NAV */
.nav {
  margin: 40px 0;
  border-bottom: 1px solid #e0e0e0;
  padding-bottom: 12px;
}

.nav a {
  margin-right: 24px;
  text-decoration: none;
  color: #000;
  font-weight: 500;
  position: relative;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: #000;
  transition: width .3s;
}

.nav a:hover::after {
  width: 100%;
}

/* CONTENT */
.intro {
  max-width: 640px;
  font-size: 1.05em;
}

/* CARDS */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px,1fr));
  gap: 24px;
  margin-top: 40px;
}

.card {
  background: #fff;
  padding: 24px;
  border: 1px solid #e5e5e5;
  border-radius: 8px;
}

/* LIST */
.list li {
  margin: 12px 0;
}

/* FOOTER */
footer {
  margin-top: 80px;
  font-size: .9em;
  color: #666;
}