/* ===================================
   FOOTER - Premium Design
   =================================== */
.site-footer {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #e4e4e7;
    padding: 4rem 0 2rem;
    margin-top: 5rem;
    position: relative;
    overflow: hidden;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg,
            var(--primary-color) 0%,
            var(--secondary-color) 50%,
            var(--primary-color) 100%);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.footer-section h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #ffffff;
    position: relative;
    padding-bottom: 0.75rem;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.footer-section h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: #ffffff;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background: var(--primary-color);
    border-radius: 2px;
}

.footer-section p {
    color: #a1a1aa;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-section ul li a {
    color: #d4d4d8;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    font-size: 0.95rem;
    position: relative;
    padding-left: 20px;
}

.footer-section ul li a::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

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

.footer-section ul li a:hover::before {
    transform: translateX(3px);
}

/* Social Icons */
.social-icons {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-btn:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}

.social-btn.facebook:hover {
    background: #1877f2;
    border-color: #1877f2;
}

.social-btn.linkedin:hover {
    background: #0a66c2;
    border-color: #0a66c2;
}

.social-btn.pinterest:hover {
    background: #e60023;
    border-color: #e60023;
}

.social-btn.twitter:hover {
    background: #000000;
    border-color: #000000;
}

.social-btn.youtube:hover {
    background: #ff0000;
    border-color: #ff0000;
}

/* Footer Bottom */
.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #a1a1aa;
    font-size: 0.9rem;
}

.footer-bottom p {
    margin: 0;
}

/* Responsive */
@media (max-width: 968px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }

    .footer-section:first-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 640px) {
    .site-footer {
        padding: 3rem 0 1.5rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .footer-section:first-child {
        grid-column: auto;
    }

    .footer-section h3 {
        font-size: 1.3rem;
    }

    .footer-section h4 {
        font-size: 1.1rem;
    }

    .social-icons {
        justify-content: center;
    }
}