:root {
    --footer-primary: #00f0ff;
    --footer-secondary: #7b2dff;
    --footer-dark: #0a0a1a;
    --footer-darker: #050510;
    --footer-light: #f0f0f0;
    --footer-transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.site-footer {
    position: relative;
    background: linear-gradient(135deg, var(--footer-darker) 0%, var(--footer-dark) 100%);
    color: var(--footer-light);
    padding: 60px 0 0;
    font-family: 'Poppins', sans-serif;
    overflow: hidden;
}

.footer-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.15;
    pointer-events: none;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    position: relative;
    z-index: 1;
}

.footer-col {
    margin-bottom: 40px;
}

.footer-title {
    font-size: 1.2rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
    color: var(--footer-primary);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.footer-logo--column {
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    text-align: center;
}

.footer-logo-img {
    height: 60px;
    width: auto;
    margin: 0 auto;
    display: block;
}

.footer-slogan {
    font-size: 0.9rem;
    opacity: 0.8;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.footer-description {
    opacity: 0.7;
    line-height: 1.6;
    margin-bottom: 25px;
    font-size: 0.95rem;
}

.footer-logo-anim {
    margin-top: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.footer-logo-anim-img {
    max-width: 200px;
    width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

.footer-brand-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--footer-primary);
    letter-spacing: 2px;
    margin: 0;
    line-height: 1.1;
    text-transform: uppercase;
}

.footer-menu,
.footer-services-list,
.contact-info {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-menu li,
.footer-services-list li,
.contact-info li {
    margin-bottom: 12px;
}

.footer-menu a,
.footer-services-list a {
    color: var(--footer-light);
    text-decoration: none;
    opacity: 0.8;
    transition: var(--footer-transition);
}

.footer-menu a:hover,
.footer-services-list a:hover {
    opacity: 1;
    color: var(--footer-primary);
}

.footer-services-list span {
    display: inline-block;
    margin: 4px 8px 4px 0;
    padding: 4px 10px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.08);
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    opacity: 0.8;
    font-size: 0.95rem;
}

.contact-icon {
    margin-right: 10px;
    color: var(--footer-primary);
    width: 20px;
    min-width: 20px;
    height: 20px;
    text-align: center;
    font-size: 20px;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.contact-item a {
    color: var(--footer-light);
    text-decoration: none;
    transition: var(--footer-transition);
}

.contact-item a:hover {
    color: var(--footer-primary);
}

.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 25px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    color: var(--footer-light);
    transition: var(--footer-transition);
}

.social-icon {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.social-link:hover {
    background: var(--footer-primary);
    color: var(--footer-darker);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(123, 45, 255, 0.1);
    padding: 20px 0;
    margin-top: 40px;
}

.footer-legal {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    font-size: 0.85rem;
    opacity: 0.7;
    text-align: center;
}

.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: #FFF;
    border-radius: 50%;
    text-align: center;
    box-shadow: 0 0 20px rgba(37, 211, 102, 0.5);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--footer-transition);
}

.whatsapp-icon {
    width: 30px;
    height: 30px;
    fill: currentColor;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(37, 211, 102, 0.8);
}

.portfolio-particle {
    position: absolute;
    border-radius: 50%;
    animation: float 15s infinite ease-in-out;
    opacity: 0.6;
    will-change: transform;
}

@keyframes float {
    0%, 100% {
        transform: translate3d(0, 0, 0);
    }
    50% {
        transform: translate3d(calc(var(--x, 0) * 50px), calc(var(--y, 0) * 50px), 0);
    }
}

@media (max-width: 1024px) {
    .footer-container {
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .footer-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-logo-img {
        height: 50px;
    }

    .footer-logo-anim {
        margin-top: 20px;
        margin-bottom: 10px;
    }

    .footer-logo-anim-img {
        max-width: 180px;
    }

    .footer-brand-title {
        font-size: 1.5rem;
    }

    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
    }

    .whatsapp-icon {
        width: 25px;
        height: 25px;
    }
}

@media (max-width: 480px) {
    .footer-menu a,
    .footer-services-list a,
    .contact-item {
        font-size: 0.9rem;
    }
}