* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background-color: #f7f9fc;
    color: #333;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background-color: #2c3e50;
    color: white;
    padding: 1.5rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

header h1 {
    text-align: center;
    margin-bottom: 1rem;
    font-size: 2.2rem;
}

nav {
    display: flex;
    justify-content: center;
    gap: 20px;
}

nav a {
    color: #ecf0f1;
    text-decoration: none;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 20px;
    transition: background-color 0.3s ease;
}

nav a:hover, nav a.active {
    background-color: #e74c3c;
}

main {
    max-width: 900px;
    margin: 30px auto;
    padding: 0 20px;
    flex: 1;
}

.hero {
    background-color: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    text-align: center;
}

.hero img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 20px 0;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.2s;
}

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

.card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-body {
    padding: 15px;
}

.card-body h3 {
    margin-bottom: 10px;
    color: #2c3e50;
}

.breed-detail {
    background: white;
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 25px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    display: flex;
    gap: 20px;
    align-items: center;
}

.breed-detail img {
    width: 250px;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
}

.breed-info h2 {
    color: #2c3e50;
    margin-bottom: 10px;
}

footer {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 15px 0;
    margin-top: 40px;
}

@media (max-width: 600px) {
    .breed-detail {
        flex-direction: column;
    }
    .breed-detail img {
        width: 100%;
    }
}