/* General page style */
body {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 1rem;
    color: #263446;
    background-color: #f4f6fb;
    margin: 0;
    line-height: 1.6;
}

/* Header and navigation */
header {
    background-color: #29466b;
    color: white;
    text-align: center;
    padding: 2rem 1rem;
}

h1 {
    font-size: 2rem;
    text-shadow: 2px 2px 3px #17283e;
    margin: 0 0 1rem;
}

nav {
    background-color: #1b304d;
    padding: 0.8rem;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    padding: 0.5rem 0.8rem;
}

nav a:hover {
    background-color: #47658b;
}

/* Main content */
main {
    width: 85%;
    max-width: 55rem;
    margin: 2rem auto;
    padding: 1.5rem;
    background-color: white;
    border: 1px solid #d8e0eb;
    box-sizing: border-box;
}

h2 {
    color: #29466b;
    font-size: 1.4rem;
    text-transform: capitalize;
}

p {
    margin-bottom: 1rem;
}

/* Reusable class and unique ID */
.highlight {
    background-color: #edf3fc;
    border-left: 4px solid #6086b2;
    padding: 1rem;
}

#intro {
    font-style: italic;
}

/* Lists */
ul {
    list-style-type: square;
    list-style-position: outside;
}

ol {
    list-style-type: decimal;
    list-style-position: outside;
}

dl {
    margin: 1rem 0;
}

dt {
    font-weight: bold;
}

dd {
    margin-bottom: 0.8rem;
}

/* Sections and projects */
section, article {
    margin-bottom: 1.5rem;
    padding: 1rem;
    border-bottom: 1px solid #d8e0eb;
}

blockquote {
    background-color: #edf3fc;
    padding: 1rem;
    margin: 1rem 0;
    font-style: italic;
}

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

figure {
    margin: 1rem 0;
}

figcaption {
    font-size: 0.9rem;
    font-style: italic;
}

/* Links and footer */
a {
    color: #285a92;
}

footer {
    background-color: #29466b;
    color: white;
    text-align: center;
    padding: 1rem;
}

footer p {
    margin: 0;
}