:root {
    --bg: #111;
    --panel: #151515;
    --ink: #e6edf3;
    --muted: #9fb0c2;
    --accent: #ff7a18;
    --shadow: 0 10px 30px rgba(0, 0, 0, .35);
    --ring: 0 0 0 1px rgba(255, 122, 24, .12), 0 0 40px rgba(255, 122, 24, .06);
}

body, html {
    margin: 0;
    padding: 0;
    font: normal 16px/18px 'Cuprum', Helvetica, Arial, sans-serif;
    color: #333;
}

/* Language switcher */
.lang-switcher {
    position: fixed;
    top: 14px;
    right: 14px;
    display: flex;
    gap: 8px;
    z-index: 10;
}

.lang-switcher button {
    appearance: none;
    border: 1px solid rgba(255, 255, 255, .08);
    background: #151515;
    color: var(--ink);
    padding: 6px 10px;
    border-radius: 8px;
    cursor: pointer;
    transition: transform .12s ease, background .2s ease, border-color .2s ease;
    text-transform: uppercase;
    letter-spacing: .06em;
    font: 700 12px/1 'Cuprum', Arial, sans-serif;
}

.lang-switcher button:hover {
    transform: translateY(-1px);
}

.lang-switcher button.active {
    border-color: rgba(255, 122, 24, .6);
    outline: none;
    box-shadow: var(--ring);
}

p {
    margin: 10px 0 0;
}

h1 {
    font: bold 32px/36px Arial, sans-serif;
    margin: 0 0 5px;
    color: #666;
}

h2 {
    font: normal 22px/26px 'Lobster', Helvetica, Arial, sans-serif;
    margin: 0 0 20px;
    color: #666;
}

h3 {
    font: normal 18px/22px 'Lobster', Helvetica, Arial, sans-serif;
    margin: 20px 0 0;
    color: #666;
}

.head4 {
    font: normal 18px/22px 'Lobster', Helvetica, Arial, sans-serif;
    margin: 20px 0 0;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(45deg, #d27d7d, #a0a5e6);
}

.wrapper {
    position: relative;
    width: 400px;
    margin: 20px;
    background: #fefefe;
    padding: 20px;
    transition: opacity .5s;
    box-shadow: 1px 0 10px #777;

    border: 16px solid transparent;
    border-image: 16 repeating-linear-gradient(-45deg,
    red 0, red 1em, transparent 0, transparent 2em,
    #58a 0, #58a 3em, transparent 0, transparent 4em
    );
}

.center {
    text-align: center;
}

.qr-flex {
    display: flex;
    gap: 10px;
    align-items: end;
}

.qrcode {
    flex: 0 0 auto;
    margin: 0 -20px -20px 0;
}

.qrcode img {
    width: 100%;
}

.logo {
    position: absolute;
    right: 25px;
    top: 12px;
}

@media all and (max-width: 500px) {
    h1 {
        font-size: 26px;
    }

    .qrcode {
        max-width: 40%;
        margin: 0 -10px -10px 0;
    }

}
@media all and (max-width: 400px) {
    .logo {
        position: relative;
        width: 100%;
        text-align: center;
        right: 0;
        top: 0;
    }
    .qr-flex * {
        text-align: center;
    }

    .qr-flex {
        flex-wrap: wrap;
    }

    .qrcode {
        margin: 0 auto -20px;
        text-align: center;
    }
}