/* ===== Base ===== */

body {
    margin: 0;
    font-family: Georgia, serif;
    background-color: #f3efe6;
    color: #2f2a26;
    line-height: 1.7;
}

/* ===== Hero ===== */

.hero {
    background: linear-gradient(135deg, #c46b3c, #a94f2d);
    color: white;
    text-align: center;
    padding: 70px 20px;
}

.hero h1 {
    margin: 0;
    font-size: 44px;
    letter-spacing: 2px;
}

.tagline {
    margin-top: 12px;
    font-style: italic;
    color: #f5e9dc;
}

/* ===== Nav ===== */

.navbar {
    display: flex;
    justify-content: center;
    gap: 30px;
    background-color: #6b8e23;
    padding: 14px;
}

.navbar a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    font-size: 14px;
    letter-spacing: 1px;
}

.navbar a:hover {
    opacity: 0.8;
}

/* ===== Layout ===== */

.container {
    max-width: 1000px;
    margin: auto;
    padding: 50px 20px;
}

/* ===== Sections ===== */

.section {
    margin-bottom: 60px;
}

.section.alt {
    background-color: #fffaf3;
    padding: 25px;
    border-left: 6px solid #c46b3c;
}

/* ===== Headings ===== */

h2 {
    color: #556b2f;
    margin-bottom: 15px;
    font-size: 26px;
}

h3 {
    margin: 10px 0 5px;
    color: #c46b3c;
}

/* ===== Image Grid ===== */

.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.image-card {
    background-color: #fffaf3;
    border: 1px solid #e0d8cc;
    border-radius: 6px;
    overflow: hidden;
    text-align: center;
}

.image-card img {
    width: 100%;
    max-width: 200px;
    object-fit: cover;
}

/* ===== Ontology ===== */

.ontology-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
}

.ontology-card {
    background-color: #fff;
    padding: 15px;
    text-align: center;
    border-radius: 8px;
    border: 1px solid #e0d8cc;
}

.ontology-card img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    margin-bottom: 10px;
}

/* ===== Code Block ===== */

.code-block {
    background-color: #2f2a26;
    color: #f4efe6;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

/* ===== Footer ===== */

footer {
    text-align: center;
    padding: 25px;
    font-size: 13px;
    color: #777;
}