* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background-color: #f5f7fa;
    color: #333;
}

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

.hero {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 100px 20px;
}

.hero h1 {
    font-size: 42px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 18px;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: white;
    color: #667eea;
    text-decoration: none;
    border-radius: 30px;
    font-weight: bold;
    transition: 0.3s;
}

.btn:hover {
    background: #eee;
}

.features {
    padding: 80px 20px;
}

.features .container {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.card {
    background: white;
    padding: 30px;
    flex: 1;
    min-width: 250px;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.card h3 {
    margin-bottom: 15px;
    color: #667eea;
}