body {
    font-family: 'Segoe UI', sans-serif;
    margin: 0;
    padding: 0;
    background: #f5f5f5;
    color: #333;
}

header {
    background: #1d3557;
    color: white;
    padding: 20px;
    text-align: center;
}

nav a {
    margin: 0 10px;
    color: #a8dadc;
    text-decoration: none;
}

section {
    padding: 20px;
    max-width: 900px;
    margin: 0 auto;
}

h1,
h2 {
    color: #1d3557;
}

footer {
    text-align: center;
    padding: 10px;
    font-size: 0.8em;
    background: #eee;
}

#evaluaciones {
    padding: 40px 20px;
    background-color: #f9f9f9;
}

.evaluaciones-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.project-card {
    background: white;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 15px;
    text-align: left;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.project-card img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    margin-bottom: 10px;
}

.project-card h3 {
    margin: 10px 0 5px;
    color: #1d3557;
    font-size: 1.1em;
}

.project-card p {
    font-size: 0.95em;
    margin-bottom: 8px;
}

.project-card a {
    color: #457b9d;
    font-weight: bold;
    text-decoration: none;
}