/* استایل پایه */
footer {
    background-color: #2c3e50;
    color: #ecf0f1;
    padding: 50px 0 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    direction: rtl;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* استایل بخش خبرنامه */
.newsletter-box {
    text-align: center;
    padding: 30px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    margin-bottom: 40px;
}

.newsletter-box h3 {
    color: #ecf0f1;
    margin-bottom: 15px;
    font-size: 1.8em;
}

.newsletter-box p {
    color: #bdc3c7;
    margin-bottom: 25px;
    font-size: 1.1em;
}

/* استایل فرم */
.telegram-form {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 20px;
}

.form-group {
    flex-grow: 1;
    max-width: 400px;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    background-color: #f9f9f9;
}

#submit-btn {
    background-color: #0088cc;
    color: white;
    border: none;
    padding: 0 25px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background-color 0.3s;
}

#submit-btn:hover {
    background-color: #0077b3;
}

/* استایل پیام نتیجه */
.result-message {
    margin: 15px 0;
    padding: 10px;
    border-radius: 5px;
    display: none;
}

.success {
    background-color: rgba(46, 204, 113, 0.2);
    color: #2ecc71;
}

.error {
    background-color: rgba(231, 76, 60, 0.2);
    color: #e74c3c;
}

/* استایل لینک تلگرام */
.telegram-link {
    margin-top: 20px;
    color: #bdc3c7;
}

.telegram-link a {
    color: #3498db;
    text-decoration: none;
    transition: color 0.3s;
}

.telegram-link a:hover {
    color: #2980b9;
    text-decoration: underline;
}

/* استایل لینک‌های سایت */
.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    padding: 0 0 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.links-column h4 {
    color: #ecf0f1;
    margin-bottom: 20px;
    font-size: 1.2em;
    position: relative;
    padding-bottom: 10px;
}

.links-column h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 50px;
    height: 2px;
    background-color: #3498db;
}

.links-column ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.links-column li {
    margin-bottom: 12px;
}

.links-column a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s;
    font-size: 0.95em;
}

.links-column a:hover {
    color: #3498db;
}

.contact-info li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.contact-info i {
    color: #3498db;
    width: 20px;
    text-align: center;
}

.certificates {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.certificates img {
    border-radius: 5px;
    filter: grayscale(30%);
    transition: filter 0.3s;
}

.certificates img:hover {
    filter: grayscale(0);
}

/* استایل کپی رایت */
.copyright {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.copyright-text {
    color: #bdc3c7;
    font-size: 0.9em;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    color: #bdc3c7;
    font-size: 1.2em;
    transition: color 0.3s;
}

.social-links a:hover {
    color: #3498db;
}

/* رسپانسیو برای موبایل */
@media (max-width: 768px) {
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .copyright {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .telegram-form {
        flex-direction: column;
        align-items: center;
    }
    
    .form-group {
        width: 100%;
        max-width: 100%;
    }
    
    #submit-btn {
        width: 100%;
        justify-content: center;
        padding: 12px;
    }
}

@media (max-width: 480px) {
    .footer-links {
        grid-template-columns: 1fr;
    }
}