/* 
 * Footer Section - Modern Premium Design
 */

.site-footer {
    background-color: #0f172a;
    /* Dark Slate 900 */
    color: #94a3b8;
    /* Slate 400 */
    font-size: 0.95rem;
    position: relative;
    overflow: hidden;
    padding-top: 4rem;
}

/* Footer Background Decoration */
.footer-decoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.footer-decoration::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.footer-decoration::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.site-footer .container {
    position: relative;
    z-index: 1;
}

/* Footer Main Grid */
.footer-main {
    padding-bottom: 4rem;
    border-bottom: 1px solid #1e293b;
    /* Slate 800 */
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 3rem;
}

/* Column Styles */
.footer-col-title {
    color: #ffffff;
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

.footer-col-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: #2563eb;
    /* Primary Blue */
    border-radius: 2px;
}

/* Brand Column */
.footer-brand {
    margin-bottom: 1.5rem;
}

.footer-logo {
    font-size: 1.75rem;
    font-weight: 800;
    color: #ffffff;
    text-decoration: none;
    display: inline-block;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-desc {
    line-height: 1.6;
    margin-bottom: 2rem;
}

/* Social Icons */
.footer-social-links {
    display: flex;
    gap: 0.75rem;
}

.social-icon-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #1e293b;
    color: #ffffff;
    border-radius: 50%;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.social-icon-link:hover {
    background: #2563eb;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
}

.social-icon-link svg {
    width: 20px;
    height: 20px;
}

/* Links List */
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-links a:hover {
    color: #ffffff;
    transform: translateX(5px);
}

.footer-links a::before {
    content: '›';
    font-size: 1.2rem;
    color: #2563eb;
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.2s ease;
    width: 0;
}

.footer-links a:hover::before {
    opacity: 1;
    transform: translateX(0);
    width: 10px;
}

/* Contact Info */
.footer-contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.contact-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: #2563eb;
    margin-top: 2px;
}

.contact-text {
    line-height: 1.5;
}

.contact-label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #64748b;
    margin-bottom: 0.25rem;
}

.contact-value {
    color: #ffffff;
    font-weight: 500;
}

/* Footer Bottom */
.footer-bottom {
    padding: 2rem 0;
    font-size: 0.875rem;
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.copyright-text {
    color: #64748b;
}

.footer-bottom-links {
    display: flex;
    gap: 1.5rem;
}

.footer-bottom-links a {
    color: #64748b;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-bottom-links a:hover {
    color: #2563eb;
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background: #2563eb;
    color: white;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: #1d4ed8;
    transform: translateY(-5px);
}

/* Responsive */
@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 3rem 2rem;
    }
}

@media (max-width: 576px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .footer-bottom-inner {
        flex-direction: column;
        text-align: center;
    }
}