/* ===== Base Reset ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Georgia", "Times New Roman", serif;
    line-height: 1.6;
    background-color: #ffffff;
    color: #1a1a1a;
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* ===== Typography ===== */
h1, h2, h3 {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-weight: 600;
    color: #0b3d91; /* economics blue */
    margin-bottom: 10px;
}

h1 {
    font-size: 2.2rem;
    margin-bottom: 20px;
}

h2 {
    font-size: 1.5rem;
    margin-top: 40px;
    border-bottom: 1px solid #e5e5e5;
    padding-bottom: 5px;
}

p {
    margin-bottom: 15px;
    color: #333;
}

/* ===== Links ===== */
a {
    color: #0b3d91;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* ===== Navigation ===== */
nav {
    margin-bottom: 40px;
}

nav a {
    margin-right: 20px;
    font-weight: 500;
    font-family: -apple-system, sans-serif;
}

/* ===== Sections ===== */
.section {
    margin-bottom: 50px;
}

/* ===== Lists ===== */
ul {
    padding-left: 20px;
}

li {
    margin-bottom: 8px;
}

/* ===== Footer ===== */
footer {
    margin-top: 60px;
    font-size: 0.9rem;
    color: #777;
    border-top: 1px solid #eee;
    padding-top: 20px;
}

/* ===== Subtle Academic Elements ===== */
.meta {
    color: #666;
    font-size: 0.9rem;
}

.highlight {
    color: #0b3d91;
    font-weight: 500;
}

/* ===== Responsive ===== */
@media (max-width: 600px) {
    body {
        padding: 20px;
    }

    h1 {
        font-size: 1.8rem;
    }
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.hero-text {
    flex: 1;
}

.hero-image {
    flex: 0 0 220px;
}

.hero-image img {
    width: 100%;
    border-radius: 6px;
}