body {
    margin: 50px;
    background-color: #fbfbfb;
    color: #333;
    font-family: Arial, sans-serif;
    text-align: center;
}

.language-switcher {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin: 18px auto 0;
}

.language-option {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 9px;
    border-radius: 16px;
    color: #555;
    font-size: 13px;
    text-decoration: none;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.language-option:focus-visible {
    outline: 2px solid #888;
    outline-offset: 2px;
}

.language-option:hover,
.language-option[aria-current="page"] {
    background-color: #f2f2f2;
    color: #222;
}

.language-flag {
    position: relative;
    display: inline-block;
    flex: 0 0 20px;
    width: 20px;
    height: 14px;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.12);
    border-radius: 2px;
    box-sizing: border-box;
}

.language-flag-us {
    background: repeating-linear-gradient(to bottom, #b22234 0 7.69%, #fff 7.69% 15.38%);
}

.language-flag-us::after {
    position: absolute;
    top: 0;
    left: 0;
    width: 45%;
    height: 54%;
    background-color: #3c3b6e;
    background-image: radial-gradient(circle, #fff 0 0.5px, transparent 0.6px);
    background-size: 4px 2px;
    content: "";
}

.language-flag-ru {
    background-color: #fff;
}

.language-flag-ru::before,
.language-flag-ru::after {
    position: absolute;
    left: 0;
    width: 100%;
    height: 33.333%;
    content: "";
}

.language-flag-ru::before {
    top: 33.333%;
    background-color: #0039a6;
}

.language-flag-ru::after {
    top: 66.666%;
    background-color: #d52b1e;
}

.language-flag-es {
    background: linear-gradient(to bottom, #aa151b 0 25%, #f1bf00 25% 75%, #aa151b 75%);
}

.seo-guide {
    max-width: 560px;
    margin: 38px auto 0;
    color: #555;
    font-size: 15px;
    line-height: 1.6;
    text-align: left;
}

.seo-guide h2 {
    margin-bottom: 12px;
    color: #333;
    font-size: 20px;
    text-align: center;
}

.seo-guide ol {
    padding-left: 24px;
}

.seo-guide li {
    margin: 6px 0;
}

.seo-guide p {
    color: #777;
    font-size: 14px;
    text-align: center;
}

.input-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: nowrap;
    margin-bottom: 5px;
}

.plus-label {
    margin: 0;
    font-size: 18px;
    font-weight: bold;
    white-space: nowrap;
}

.phone-input {
    width: 100%;
    max-width: 300px;
    margin: 10px 0;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
    font-size: 24px;
    font-weight: bold;
    letter-spacing: 2px;
}

.send-button {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    color: white;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease;
}

body[data-messenger="whatsapp"] .send-button {
    background-color: #25D366;
}

body[data-messenger="whatsapp"] .send-button:hover {
    background-color: #1da851;
}

body[data-messenger="telegram"] .send-button {
    background-color: #0088cc;
}

body[data-messenger="telegram"] .send-button:hover {
    background-color: #0066cc;
}

body[data-messenger="viber"] .send-button {
    background-color: #7360f2;
}

body[data-messenger="viber"] .send-button:hover {
    background-color: #5a45bb;
}

footer {
    margin-top: 50px;
    font-size: 14px;
}

footer a {
    margin: 0 10px;
    color: #0088cc;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

small {
    color: #888;
}

@media (max-width: 600px) {
    .input-container {
        width: 100%;
        max-width: none;
    }

    .send-button {
        width: 100%;
    }

    footer a {
        display: block;
        margin: 15px 0;
    }
}