body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    background-color: #f9f9f9;
    color: #333;
    line-height: 1.6;
}

header {
    background: #2c3e50;
    color: white;
    padding: 1rem 0;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1100px;
    margin: auto;
    padding: 0 20px;
}

.logo a {
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    text-decoration: none;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    transition: 0.3s;
}

nav ul li a:hover {
    color: #1abc9c;
}

main {
    padding: 2rem 0;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
}

footer {
    background: #2c3e50;
    color: white;
    padding: 1rem 0;
    text-align: center;
    margin-top: 2rem;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    transition: 0.3s;
    text-align: center;
    padding: 1rem;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.card img {
    max-width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 6px;
}

.card h3 {
    margin: 0.8rem 0 0.4rem;
}

button {
    padding: 0.6rem 1.2rem;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background: #2980b9;
}