html {
    box-sizing: border-box;
    font-family: sans-serif;
}

*, *:before, *:after {
    box-sizing: inherit;
}

body {
    margin: 0;
    padding: 0;
    background: #f8f8f8;
    color: #333;
}

/* Header */
header {
    background: #4b79a1;
    background: linear-gradient(to right, #283e51, #4b79a1);
    color: #fff;
    padding: 2rem;
    text-align: center;
}

header h1 {
    margin: 0;
    font-weight: normal;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    font-size: 0.9rem;
    color: #666;
}

/* Card Container */
.card-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Card Style */
.card {
    background: #fff;
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    transition: transform 0.2s ease-in-out;
}

.card:hover {
    transform: translateY(-5px);
}

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

.card-content {
    padding: 1rem;
}

.card-content h2 {
    margin-top: 0;
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

.card-content p {
    font-size: 0.95rem;
    line-height: 1.4;
    margin-bottom: 1rem;
    color: #555;
}

.card-link {
    display: inline-block;
    text-decoration: none;
    color: #283e51;
    font-weight: bold;
    padding: 0.5rem 1rem;
    border: 2px solid #283e51;
    border-radius: 0.25rem;
    transition: background 0.2s, color 0.2s;
}

.card-link:hover {
    background: #283e51;
    color: #fff;
}