body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', sans-serif;
    background: #f9fafa;
    color: #333;
}

.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 1rem 2rem;
    background: linear-gradient(135deg, #4c8bf5, #5ac8fa);
    color: white;
    text-align: center;
}

    .hero h1 {
        font-size: 2.5rem;
        margin-bottom: 1rem;
    }

    .hero p {
        font-size: 1.2rem;
        max-width: 600px;
        margin-bottom: 2rem;
    }

    .hero button {
        background-color: white;
        color: #4c8bf5;
        font-weight: bold;
        border: none;
        padding: 0.75rem 1.5rem;
        border-radius: 8px;
        font-size: 1rem;
        cursor: pointer;
        transition: background 0.3s ease;
    }

        .hero button:hover {
            background-color: #f0f0f0;
        }

    .hero svg {
        max-width: 300px;
        margin-top: 2rem;
    }

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 960px;
    margin: 3rem auto;
    padding: 0 1rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.06);
    text-align: center;
}

.footer {
    text-align: center;
    padding: 1rem;
    font-size: 0.9rem;
    color: #777;
}

.feature-card h4 {
    font-size: 1.2rem;
    font-weight: 600;
}