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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #222;
    background: #f4f6f9;
}

.hero {
    background: linear-gradient(135deg, #003366, #0055aa);
    color: white;
    min-height: 100vh;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
    width: 100%;
}

.logo {
    font-size: 2rem;
    font-weight: bold;
}

.menu {
    display: flex;
    list-style: none;
    gap: 20px;
}

.menu a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

.hero-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.hero-content p {
    max-width: 700px;
    margin-bottom: 30px;
    font-size: 1.2rem;
}

.btn {
    background: white;
    color: #0055aa;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s;
}

.btn:hover {
    background: #e5e5e5;
}

.section {
    padding: 70px 20px;
    max-width: 1100px;
    margin: auto;
}

.section h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2rem;
}

.cards,
.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.card,
.feature,
.product-box {
    background: white;
    padding: 30px;
    border-radius: 14px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.card h3,
.feature h4,
.product-box h3 {
    margin-bottom: 15px;
    color: #0055aa;
}

.alt {
    background: #eef3f9;
    border-radius: 16px;
}

footer {
    background: #111827;
    color: white;
    text-align: center;
    padding: 50px 20px;
}

footer h2 {
    margin-bottom: 20px;
}

@media (max-width: 768px) {

    .navbar {
        flex-direction: column;
        gap: 15px;
    }

    .menu {
        flex-direction: column;
        align-items: center;
    }

    .hero-content h1 {
        font-size: 2.2rem;
    }

    .cards,
    .features {
        grid-template-columns: 1fr;
    }
}