/* responsiveStyle.css - general & responsive styles */

/* Reset-ish */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    color: #222;
    line-height: 1.5;
    background: #f7f8fa;
}

/* Main layout */
main {
    max-width: 1000px;
    margin: 20px auto;
    padding: 0 16px;
}

/* Navigation */
nav {
    background: #1f4a78;
}

.main-nav {
    margin: 0;
    padding: 10px 16px;
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 18px;
}

.main-nav a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 600;
}

.main-nav a:hover,
.main-nav a:focus {
    text-decoration: underline;
}

/* Sections */
section {
    margin: 18px 0;
    background: #ffffff;
    padding: 16px;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

h1, h2 {
    margin: 0 0 8px 0;
}

/* Image */
.sample-img {
    width: 100%;
    height: auto;
    display: block;
    margin: 8px 0;
    border-radius: 6px;
}

.img-caption {
    font-size: 0.95rem;
    color: #555;
}

/* Footer */
footer {
    text-align: center;
    padding: 12px 8px;
    color: #fff;
    background: #0b2a45;
}

/* Responsive rules */
@media (max-width: 700px) {

    .main-nav {
        flex-direction: column;
        gap: 8px;
        align-items: center;
    }

    .banner {
        padding: 28px 12px;
    }

    main {
        padding: 0 12px;
    }
}