/* design.css */

body {
  font-family: Verdana, Geneva, sans-serif;
  margin: 0;
}

/* ===== Shared header styling ===== */
:root { --brand: #336699; --focus: rgba(51, 102, 153, 0.35); }

.container { max-width: 1100px; margin: 0 auto; padding: 0 16px; }

.site-header { background: var(--brand); color: #fff; padding: 20px 0 24px; }

.header-top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.site-header h1 { margin: 0; }
.site-header h2 { margin: 0.25rem 0 0; font-size: 1.5rem; font-weight: 700; }

.site-header .site-nav a {
  color: #fff;
  font-weight: 700;
  font-size: 1.25rem;
  display: inline-block;
  margin-left: 18px;
  transition: color 120ms ease, opacity 120ms ease, text-decoration-color 120ms ease;
}

.site-header .site-nav a:hover,
.site-header .site-nav a:focus {
  color: #dbe9ff;
  opacity: 1;
  outline: none;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.site-header .site-nav a:focus {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

/* Page content */
section { text-align: center; }

section img { max-width: 600px; }