.footer-gsi {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: #ecf0f1;
    font-family: 'Roboto', 'Segoe UI', 'Arial', sans-serif;
    margin-top: 3rem;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    animation: fadeInUp 1s ease-out;
    position: relative;
    overflow: hidden;
}

.footer-gsi::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23ffffff" opacity="0.05"/><circle cx="75" cy="75" r="1" fill="%23ffffff" opacity="0.05"/><circle cx="50" cy="50" r="1" fill="%23ffffff" opacity="0.03"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

#concernForm {
    margin-top: 1rem;
}

#concernForm label.footer-title {
    color: #fff;
    font-weight: bold;
    margin-bottom: 0;
}

#concernForm textarea.form-control {
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    color: #ecf0f1;
    resize: vertical;
    min-height: 60px;
    max-height: 120px;
    font-size: 0.95rem;
    padding: 0.75rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

#concernForm textarea.form-control::placeholder {
    color: rgba(236, 240, 241, 0.7);
}

#concernForm textarea.form-control:focus {
    border-color: #3498db;
    box-shadow: 0 0 10px rgba(52, 152, 219, 0.3);
    background: rgba(255, 255, 255, 0.15);
    outline: none;
}

#concernForm button.btn-warning {
    background: linear-gradient(135deg, #f39c12, #e67e22);
    color: #2c3e50;
    font-weight: 600;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(243, 156, 18, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

#concernForm button.btn-warning:hover {
    background: linear-gradient(135deg, #e67e22, #d35400);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(243, 156, 18, 0.4);
    cursor: pointer;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.footer-gsi .footer-title {
    font-family: "Ephesis", cursive;
    font-weight: 400;
    letter-spacing: 1.5px;
    margin-bottom: 1.5rem;
    text-transform: none;
    font-size: 1.3rem;
    color: #ecf0f1;
    position: relative;
    font-style: normal;
}

.footer-gsi .footer-title::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 50px;
    height: 2px;
    background: linear-gradient(90deg, #3498db, #e74c3c);
    border-radius: 2px;
}

.footer-gsi a {
    color: #bdc3c7;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.footer-gsi a:hover {
    color: #3498db;
    text-decoration: none;
    transform: translateX(5px);
}

.footer-gsi a::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: #3498db;
    transition: width 0.3s ease;
}

.footer-gsi a:hover::before {
    width: 100%;
}

.footer-gsi .footer-social a {
    display: inline-block;
    margin: 0 0.5rem;
    font-size: 1.4rem;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    line-height: 45px;
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-gsi .footer-social a:hover {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: #ecf0f1;
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 5px 20px rgba(52, 152, 219, 0.4);
}

.footer-gsi .footer-copyright {
    background: rgba(0, 0, 0, 0.15);
    color: #fff;
    font-size: 0.95rem;
    padding: 0.7rem 0;
    margin-top: 2rem;
}

@media (max-width: 767px) {
    .footer-gsi .row>div {
        margin-bottom: 2rem;
    }

    .footer-gsi {
        text-align: center;
    }
}

#btnTop {
    display: none;
    position: fixed;
    bottom: 50px;
    right: 15px;
    z-index: 99;
    border: none;
    outline: none;
    background-color: #0d6efd;
    color: white;
    cursor: pointer;
    padding: 18px 18px;
    border-radius: 50%;
    font-size: 22px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: background 0.2s;
}

#btnTop:hover {
    background-color: #0b5ed7;
}