/* Base layout + typography */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #ffffff;
  color: #222;
  line-height: 1.6;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px;
}

h1, h2, h3 {
  margin-top: 40px;
  margin-bottom: 15px;
  line-height: 1.3;
}

p { margin-bottom: 18px; }

ul {
  margin-bottom: 20px;
  padding-left: 20px;
}

a {
  color: #0056b3;
  text-decoration: none;
}

a:hover { text-decoration: underline; }

.cta {
  display: inline-block;
  margin-top: 15px;
  padding: 12px 20px;
  background: #0056b3;
  color: #fff;
  border-radius: 6px;
  font-weight: 600;
}

.cta:hover { background: #003d80; }

/* Helpers + images */
.center { text-align: center; }

.logo-main {
  max-width: 90%;
  width: 900px;
  height: auto;
  display: block;
  margin: 0 auto;
}

.logo-adt {
  width: 120px;
  max-width: 60%;
  height: auto;
  display: block;
  margin: 10px auto;
}

.headshot {
  width: 200px;
  max-width: 80%;
  height: auto;
  display: block;
  margin: 10px auto;
  border-radius: 8px;
}

/* Section headings + blocks */
h2 {
  border-bottom: 2px solid #eee;
  padding-bottom: 8px;
}

.contact-card {
  padding: 16px 16px;
  border: 1px solid #e8e8e8;
  border-radius: 10px;
  background: #fafafa;
  margin: 18px 0 10px;
}

.contact-card p { margin: 8px 0; }

/* Nav */
nav {
  margin: 10px 0 30px;
  padding: 12px 12px;
  border: 1px solid #eee;
  border-radius: 10px;
  background: #fff;
}

nav a {
  margin-right: 14px;
  white-space: nowrap;
}

/* Mobile */
@media (max-width: 600px) {
  .container { padding: 22px 16px; }
  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.25rem; }
}

/* Footer */
footer {
  border-top: 1px solid #eee;
  padding-top: 20px;
  margin-top: 60px;
  font-size: 0.95rem;
  color: #555;
}