body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    margin: 0;
    padding: 0;
    background: #f4f4f6;
    color: #222;
}

header {
    background: #1a365d;
    color: #fff;
    padding: 1rem 2rem;
}

header h1 {
    margin: 0;
    font-size: 1.6rem;
}

nav {
    margin-top: 0.5rem;
}

nav a {
    color: #e2e8f0;
    text-decoration: none;
    margin-right: 1.2rem;
    font-size: 0.95rem;
}

nav a:hover {
    text-decoration: underline;
}

main {
    max-width: 960px;
    margin: 1.5rem auto 2.5rem;
    padding: 0 1rem;
}

h2 {
    margin-top: 1.2rem;
    color: #1a365d;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.card {
    background: #fff;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

.card img {
    width: 100%;
    display: block;
}

.card-content {
    padding: 0.8rem 1rem 1rem;
}

.card-content h3 {
    margin: 0 0 0.4rem;
    font-size: 1.05rem;
}

.card-content p {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.5;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
    gap: 1.5rem;
    align-items: center;
}

.hero img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.hero-text p {
    line-height: 1.6;
    font-size: 0.96rem;
}

footer {
    text-align: center;
    padding: 1rem;
    font-size: 0.85rem;
    color: #4a5568;
    border-top: 1px solid #e2e8f0;
    background: #f8fafc;
}