body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    background-color: #f4f7f6;
    color: #333;
}

header {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 1rem 2rem;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #0052cc;
}

.contact-sales-btn {
    background-color: #0052cc;
    color: #fff;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
}

.contact-sales-btn:hover {
    background-color: #003f9e;
}

.hero {
    text-align: center;
    padding: 4rem 2rem;
    background-color: #0052cc;
    color: #fff;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem;
}

.industry-card {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.industry-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.2);
}

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

.industry-card-content {
    padding: 1.5rem;
    text-align: center;
}

.industry-card-content h3 {
    margin: 0;
    font-size: 1.5rem;
    color: #0052cc;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: #fff;
    padding: 2rem;
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    animation: slide-down 0.3s ease-out;
}

@keyframes slide-down {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.close-btn {
    float: right;
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.form-group input {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1rem;
}

.submit-btn {
    background-color: #0052cc;
    color: #fff;
    border: none;
    padding: 1rem;
    width: 100%;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: background-color 0.3s;
}

.submit-btn:hover {
    background-color: #003f9e;
}

.center-btn-container {
    display: flex;
    justify-content: center;
    padding: 2rem;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
}