/* =========================
   BASIC RESET
========================= */
body {
    margin: 0;
    font-family: Arial, sans-serif;
    line-height: 1.6;
}

/* =========================
   HEADER
========================= */
header {
    background: #333;
    color: white;
    padding: 1rem;
    text-align: center;
}

/* =========================
   NAV (DESKTOP + MOBILE BASE)
========================= */
nav {
    background: #555;
    position: sticky;
    top: 0;
}

/* Hamburger button (hidden on desktop) */
.menu-toggle {
    display: none;
    width: 100%;
    padding: 1rem;
    background: #444;
    color: white;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
}

/* Nav list */
.nav-links {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

/* Nav items */
nav li {
    flex: 1;
}

/* Nav links */
nav a {
    display: block;
    padding: 1rem;
    color: white;
    text-align: center;
    text-decoration: none;
    transition: all 0.25s ease;
}

/* Rollover styling (REQUIRED) */
nav a:hover,
nav a:focus {
    background: #222;
    transform: scale(1.05);
    letter-spacing: 1px;
}

nav a:active {
    transform: scale(0.98);
}

/* =========================
   MAIN CONTENT
========================= */
main {
    padding: 1rem;
}

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

/* =========================
   FOOTER
========================= */
footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 1rem;
}

/* =========================
   ONLY MEDIA QUERY (REQUIRED RULE)
========================= */
@media (max-width: 768px) {

    .menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
    }

    .nav-links.show {
        display: flex;
    }

    nav li {
        width: 100%;
    }
}