/* Reset some defaults */
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}

body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background: #f9f9f9;
color: #333;
line-height: 1.6;
padding: 0 20px;
}

/* Skip link for accessibility */
.skip-link {
position: absolute;
left: -999px;
top: auto;
width: 1px;
height: 1px;
overflow: hidden;
}
.skip-link:focus {
position: static;
width: auto;
height: auto;
background: #000;
color: #fff;
padding: 10px;
z-index: 1000;
}

/* Header styling */
header {
background: #003366;
color: white;
padding: 20px 0;
text-align: center;
}
header h1 {
font-size: 1.8rem;
margin-bottom: 10px;
}
nav ul {
list-style: none;
display: flex;
justify-content: center;
flex-wrap: wrap;
gap: 15px;
}
nav ul li a {
color: white;
text-decoration: none;
font-weight: bold;
padding: 5px 10px;
transition: background 0.3s;
}
nav ul li a:hover,
nav ul li a:focus {
background: #0055aa;
border-radius: 4px;
}

/* Section styling */
main {
max-width: 1000px;
margin: 0 auto;
padding: 20px 0;
}
section {
background: white;
padding: 20px;
margin: 30px 0;
border-radius: 10px;
box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
section h2 {
color: #003366;
margin-bottom: 10px;
}
ul {
list-style: disc inside;
margin-top: 10px;
}
img {
margin: 10px;
border-radius: 8px;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Address block */
address {
line-height: 1.8;
}

/* Footer */
footer {
text-align: center;
padding: 20px;
background: #003366;
color: white;
margin-top: 50px;
font-size: 0.9rem;
}

/* Focus styles */
a:focus, button:focus, input:focus {
outline: 3px solid #003366;
outline-offset: 2px;
}

/* Responsive tweaks */
@media (max-width: 768px) {
nav ul {
flex-direction: column;
gap: 10px;
}

img {
width: 100%;
height: auto;
}
}