/* --------------- blueprint‐bg --------------- */
/* ===== blueprint background ===== */
#bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    /* deep, slightly teal‑tinted navy */
    background-color: #0f243c;
    /* optional: swap in your own high‑res blueprint‑paper scan */
    background-image: url('blueprint-paper-texture.jpg');
    background-size: cover;
    background-blend-mode: multiply;
}

/* …rest of your existing styles… */

/* --------------- your existing styles --------------- */
body {
    font-family: "Poppins", sans-serif;
    margin: 0;
    padding: 0;
    background: #f0f2f5;
    color: #ffffff;
}

nav {
    background: #d44700;
    display: flex;
    justify-content: center;
    gap: 20px;
    padding: 15px;
}

nav a {
    text-decoration: none;
    color: #fff;
    font-weight: bold;
    transition: color 0.3s;
}

nav a:hover {
    color: #ff00ff;
}

.container {
    max-width: 1200px;
    margin: 20px auto;
    padding: 20px;
}

header {
    text-align: center;
    padding: 20px;
}

.image-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

.image-grid img {
    width: 100%;
    max-width: 480px;
    transition: transform 0.3s ease;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.image-grid img:hover {
    transform: scale(1.1);
}

footer {
    text-align: center;
    padding: 20px;
    background: #d44700;
    color: #fff;
    margin-top: 20px;
}

@media (max-width: 600px) {
    .image-grid {
        flex-direction: column;
        align-items: center;
    }
}