/* ======= RESET ======= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* ======= BODY ======= */
body {
    background-color: #1e1e1e;
    color: #e0e0e0;
    line-height: 1.6;
    padding: 20px 40px;
}

/* ======= HEADINGS ======= */
h1 {
    color: #00bfff;
    font-size: 3rem;
    text-align: center;
    margin-bottom: 20px;
}

h2 {
    color: #00bfff;
    font-size: 2rem;
    margin-top: 40px;
    margin-bottom: 15px;
    border-bottom: 2px solid #00bfff;
    display: inline-block;
    padding-bottom: 5px;
}

h3 {
    color: #00dfff;
    font-size: 1.5rem;
    margin-top: 25px;
    margin-bottom: 10px;
}

/* ======= PARAGRAPHS ======= */
p {
    margin-bottom: 15px;
    font-size: 1rem;
}

p.introduction {
    font-size: 1.1rem;
    color: #c0c0c0;
}

/* ======= LISTS ======= */
ul {
    margin-left: 20px;
    margin-bottom: 15px;
}

li {
    margin-bottom: 8px;
}

/* ======= FIGURES ======= */
figure {
    margin: 20px 0;
    text-align: center;
}

figcaption {
    margin-top: 5px;
    font-size: 0.9rem;
    color: #a0a0a0;
}

/* ======= IMAGES ======= */
img {
    max-width: 100%;
    border-radius: 8px;
    border: 1px solid #333;
    box-shadow: 0 2px 6px rgba(0,0,0,0.5);
}

/* ======= VIDEOS ======= */
video {
    display: block;
    margin: 15px auto;
    border-radius: 8px;
    border: 1px solid #333;
    box-shadow: 0 2px 6px rgba(0,0,0,0.5);
}

/* ======= LINKS ======= */
a {
    color: #00bfff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* ======= SECTION STYLING ======= */
p.organisation_project,
p.utilisation_application,
p.demonstration,
p.upgrade,
p.download,
p.conclusion {
    background-color: #2a2a2a;
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid #00bfff;
}

/* ======= DOWNLOAD LIST ======= */
ul li a {
    color: #00ffea;
    font-weight: bold;
}

ul li a:hover {
    color: #00bfff;
}

/* ======= RESPONSIVE ======= */
@media (max-width: 768px) {
    body {
        padding: 15px 20px;
    }

    h1 {
        font-size: 2.2rem;
    }

    h2 {
        font-size: 1.6rem;
    }

    h3 {
        font-size: 1.3rem;
    }
}