/* General Styles */
body {
    margin: 0;
    font-family: Arial, sans-serif;
    color: #333;
    background: #f4f4f4; /* Light Gray */
    padding: 0;
    box-sizing: border-box;
}

/* Header and Navigation */
header {
    background: #003366; /* Dark Blue */
    color: #f0f4f8; /* Light Gray */
    padding: 15px;
    text-align: center;
}

header h4 {
    margin: 0;
    font-size: 1.2rem;
    color: #66c2ff; /* Light Blue */
}

header a {
    text-decoration: none;
    color: #66c2ff; /* Light Blue */
}

header a:hover {
    color: #3399ff; /* Slightly Darker Blue */
}

/* Project Details */
.project-details {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: #ffffff; /* White */
    border-radius: 8px;
    padding: 20px;
    margin: 20px auto;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    max-width: 1000px;
    width: 90%;
}

.project-details img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

h1, h2, h3, h4 {
    color: #003366; /* Dark Blue */
    margin-bottom: 10px;
}

h1 {
    font-size: 2.5rem;
    margin-top: 0;
}

h3 {
    font-size: 2rem;
    margin-top: 20px;
}

h4 {
    font-size: 1.5rem;
    margin-top: 10px;
}

p {
    color: #555; /* Dark Gray */
    line-height: 1.6;
}

/* Sections */
.content {
    padding: 20px;
}

ul {
    list-style-type: disc;
    padding-left: 20px;
}

ul li {
    margin-bottom: 10px;
}

/* Tech, User, Filter, and Simplicity Sections */
.tech, .user, .filter, .nvi {
    margin: 20px 0;
}

.tech ul, .user p, .filter p, .nvi p {
    margin: 10px 0;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* Buttons */
button {
    background: #66c2ff; /* Light Blue */
    color: #003366; /* Dark Blue */
    padding: 10px 20px;
    border-radius: 5px;
    font-size: 1rem;
    transition: background 0.3s;
    border: none;
    cursor: pointer;
    margin: 10px;
}

button a {
    color: #003366; /* Dark Blue */
    text-decoration: none;
}

button:hover {
    background: #3399ff; /* Slightly Darker Blue */
}

button a:hover {
    color: #3399ff; /* Slightly Darker Blue */
}

/* Responsive Styles */
@media (min-width: 768px) {
    .project-details {
        flex-direction: row;
        gap: 20px;
    }

    .project-details img {
        max-width: 50%;
    }
}