* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: #080b10;
    color: #f4f7fb;
    font-family: Arial, Helvetica, sans-serif;
}

header {
    border-bottom: 1px solid #252b35;
    padding: 22px 8%;
}

.brand {
    font-size: 24px;
    font-weight: bold;
    letter-spacing: 2px;
}

.hero {
    max-width: 1100px;
    margin: 0 auto;
    padding: 100px 30px 70px;
}

    .hero h1 {
        font-size: clamp(42px, 7vw, 76px);
        margin: 0 0 20px;
        line-height: 1;
    }

    .hero p {
        max-width: 720px;
        color: #aeb7c4;
        font-size: 20px;
        line-height: 1.6;
    }

.products {
    max-width: 1100px;
    margin: 0 auto;
    padding: 30px;
}

    .products h2 {
        font-size: 32px;
        margin-bottom: 30px;
    }

.product {
    background: #11161e;
    border: 1px solid #29313d;
    border-radius: 14px;
    padding: 36px;
}

    .product h3 {
        margin: 0 0 12px;
        font-size: 30px;
    }

.tagline {
    color: #ffffff;
    font-size: 20px;
    margin-bottom: 24px;
}

.description {
    color: #aeb7c4;
    line-height: 1.7;
    max-width: 750px;
}

.price {
    margin-top: 30px;
    font-size: 30px;
    font-weight: bold;
}

.buy-button {
    display: inline-block;
    margin-top: 18px;
    padding: 14px 26px;
    border-radius: 8px;
    background: #ffffff;
    color: #080b10;
    text-decoration: none;
    font-weight: bold;
}

    .buy-button.disabled {
        opacity: 0.45;
        cursor: default;
    }

footer {
    max-width: 1100px;
    margin: 70px auto 0;
    padding: 30px;
    border-top: 1px solid #252b35;
    color: #737d8b;
    font-size: 14px;
}
.product-screenshot {
    margin: 30px 0;
}

.product-screenshot img {
    display: block;
    width: 50%;
    max-width: 900px;
    height: auto;
    border: 1px solid #29313d;
    border-radius: 10px;
}