body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(
        135deg,
        #1b1d23 0%,
        #14151b 40%,
        #0f1014 70%,
        #0a0b0e 100%
    );
    color: #ffffff;
    overflow-x: hidden;
    position: relative;
}

header {
    padding: 100px 20px 10px;
    text-align: center;
}

header h1 {
    font-size: 48px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 18px;
}

header p {
    font-size: 20px;
    color: #cfcfcf;
    max-width: 700px;
    margin: 0 auto 38px;
    line-height: 1.55;
}

.left-text {
    font-size: 20px;
    color: #cfcfcf;
    max-width: 700px;
    margin: 0 0 38px 0;
    line-height: 1.55;
    text-align: left;
    font-family: 'Poppins', sans-serif;
}



.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 18px;
    font-weight: 600;
    background: linear-gradient(135deg, #3a7bff, #295bff);
    border-radius: 12px;
    box-shadow: 0 0 22px rgba(50, 100, 255, 0.45);
    color: white;
    text-decoration: none;
    transition: 0.25s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(60, 120, 255, 0.6);
}


.features, .seo, .devices, .qr {
    padding: 50px 20px;
    max-width: 900px;
    margin: 0 auto;
}

.features ul {
    list-style: none;
    padding: 0;
}

.features li {
    padding: 10px 0;
    font-size: 1.1rem;
}

.device-icons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
}

.device-icons img {
    width: 75px;
    height: 75px;
}

footer {
    text-align: center;
    padding: 70px;
    font-size: 0.9rem;
    color: #888;
    background: #0b0c10;
}

.qr {
    text-align: center;
    margin: 60px auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px; /* равномерные отступы между элементами */
}

.qr img {
    width: 300px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 0 20px rgba(0,0,0,0.3);
}

.qr .btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 20px;
    font-weight: 600;
    background: linear-gradient(135deg, #3a7bff, #295bff);
    border-radius: 12px;
    box-shadow: 0 0 22px rgba(50, 100, 255, 0.45);
    color: white;
    text-decoration: none;
    transition: 0.25s ease;
}

.qr .btn:hover {
    background-color: #0016d9;
    transform: scale(1.05);
}

.qr-min {
    text-align: center;
    padding: 10px 0; 
    margin: 0;       
}

footer {
    background: #0b0c10;
    padding: 60px 20px;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 35px;
    flex-wrap: wrap;
}

.footer-links a {
    color: #d0d0d0;
    font-size: 18px;
    text-decoration: none;
    font-weight: 500;
    transition: 0.2s ease;
}

.footer-links a:hover {
    color: #4c8dff;
}

.footer-copy {
    color: #888;
    font-size: 15px;
    opacity: 0.8;
}