* {
    box-sizing: border-box;
}


html {
    scroll-behavior: smooth;
}


body {
    margin: 0;
    background: #0b0b0b;
    color: white;
    font-family: Arial, sans-serif;
}


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


.hero {
    text-align: center;
    padding: 120px 20px;
}


.hero h1 {
    font-size: 64px;
    margin-bottom: 20px;
}


.hero h2 {
    font-size: 40px;
    margin-bottom: 20px;
}


.hero p {
    font-size: 20px;
    color: #aaa;
    max-width: 600px;
    margin: 0 auto 40px;
}


header h1 {
    font-size: 60px;
}


header p {
    font-size: 24px;
    color: #aaa;
}


button {
    background: #4caf50;
    color: white;
    border: none;
    padding: 15px 35px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 18px;
}


section {
    padding: 50px 0;
}


h2 {
    text-align: center;
    font-size: 35px;
}


.cards {
    display: flex;
    justify-content: center;
    gap: 25px;
    flex-wrap: wrap;
}


.card {
    background: #181818;
    padding: 30px;
    border-radius: 20px;
    width: 300px;
    text-align: center;
}


.tariff span {
    display: block;
    font-size: 35px;
    margin: 20px;
}


footer {
    text-align: center;
    padding: 40px;
    color: #777;
}

.subtitle {
    text-align: center;
    color: #aaa;
    margin: 0 auto 40px;
    font-size: 18px;
}

.devices {
    padding-top: 80px;
}


.devices .card {
    min-height: 150px;
}


.devices .card h3 {
    font-size: 24px;
}


.devices .card p {
    color: #aaa;
}

.faq {
    padding-top: 80px;
}


.faq-list {
    max-width: 800px;
    margin: 40px auto 0;
}


.faq-item {
    background: #181818;
    padding: 25px;
    border-radius: 15px;
    margin-bottom: 20px;
}


.faq-item h3 {
    margin-top: 0;
}


.faq-item p {
    color: #aaa;
    line-height: 1.6;
}

.main-button {
    display: inline-block;
    background: #4caf50;
    color: white;
    text-decoration: none;
    padding: 15px 35px;
    border-radius: 10px;
    font-size: 18px;
    transition: 0.3s;
}


.main-button:hover {
    transform: translateY(-3px);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}


footer a {
    color: #aaa;
    text-decoration: none;
}


footer a:hover {
    color: white;
}


.copyright {
    margin-top: 40px;
}

.checkout-section {
    min-height: 80vh;
}


.checkout-card {

    max-width: 500px;
    margin: 40px auto;

    background: #181818;

    padding: 40px;

    border-radius: 20px;

    text-align: center;
}


.order-info p {

    color: #aaa;

    margin: 15px 0;

}



.form {

    margin-top: 35px;

}



.form label {

    display: block;

    margin-bottom: 10px;

    font-size: 18px;

}



.form input {

    width: 100%;

    padding: 15px;

    border-radius: 10px;

    border: none;

    background: #252525;

    color: white;

    font-size: 16px;

    margin-bottom: 20px;

}

.checkout-logo {
    text-align: center;
    font-size: 45px;
    font-weight: bold;
    margin-top: 40px;
}

.email-info {
    color: #aaa;
    text-align: center;
    line-height: 1.5;
    margin-bottom: 20px;
    font-size: 15px;
}