/* ============================================================
   FOOTER STYLES — Nexus AI
   ============================================================ */

.footer {
    position: relative;
    overflow: hidden;
    background: var(--color-bg-secondary);
}

/* ---- CTA Section ---- */
.footer__cta {
    padding: var(--space-16) 0 var(--space-8);
    position: relative;
}

.footer__cta-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: clamp(var(--space-8), 5vw, var(--space-16));
    background: linear-gradient(135deg, rgba(108, 99, 255, 0.12) 0%, rgba(0, 212, 255, 0.06) 100%);
    border: 1px solid rgba(108, 99, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.footer__cta-content {
    max-width: 600px;
    position: relative;
    z-index: 2;
}

.footer__cta-content h2 {
    margin-bottom: var(--space-4);
    font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl));
}

.footer__cta-content p {
    margin-bottom: var(--space-6);
    font-size: var(--text-lg);
}

.footer__cta-buttons {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.footer__cta-graphic {
    position: relative;
    width: 200px;
    height: 200px;
    flex-shrink: 0;
}

.footer__cta-orb {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(108, 99, 255, 0.3) 0%, rgba(0, 212, 255, 0.1) 60%, transparent 80%);
    animation: float-glow 6s ease-in-out infinite;
    position: relative;
}

.footer__cta-orb::before {
    content: '';
    position: absolute;
    inset: 20px;
    border-radius: 50%;
    border: 1px solid rgba(108, 99, 255, 0.3);
    animation: spin 20s linear infinite;
}

.footer__cta-orb::after {
    content: '';
    position: absolute;
    inset: 40px;
    border-radius: 50%;
    border: 1px dashed rgba(0, 212, 255, 0.2);
    animation: spin 15s linear infinite reverse;
}

/* ---- Main Footer ---- */
.footer__main {
    padding: var(--space-16) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: var(--space-10);
}

.footer__col-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-3);
    position: relative;
}

.footer__col-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 40px;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

/* ---- About Column ---- */
.footer__logo {
    display: inline-flex;
    align-items: center;
    margin-bottom: var(--space-4);
}
.footer__logo img {
    max-height: 120px;
    width: auto;
    border-radius: 10px;
}

.footer__desc {
    font-size: var(--text-sm);
    line-height: 1.8;
    margin-bottom: var(--space-6);
}

.footer__social {
    display: flex;
    gap: var(--space-3);
}

.footer__social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-secondary);
    font-size: var(--text-base);
    transition: all var(--transition-base);
    border: 1px solid transparent;
}

.footer__social-link:hover {
    background: rgba(108, 99, 255, 0.15);
    color: var(--color-neon-primary);
    border-color: rgba(108, 99, 255, 0.3);
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(108, 99, 255, 0.2);
}

/* ---- Links ---- */
.footer__links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer__links li {
    margin-bottom: var(--space-2);
}

.footer__links li a {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    padding: var(--space-1) 0;
    transition: all var(--transition-fast);
}

.footer__links li a i {
    font-size: 0.6rem;
    transition: transform var(--transition-fast);
    color: var(--color-neon-primary);
    opacity: 0.5;
}

.footer__links li a:hover {
    color: var(--color-text-primary);
    padding-right: var(--space-2);
}

.footer__links li a:hover i {
    opacity: 1;
    transform: translateX(-3px);
}

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

.footer__contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.footer__contact-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(108, 99, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-neon-primary);
    font-size: var(--text-sm);
    flex-shrink: 0;
    margin-top: 2px;
}

.footer__contact-label {
    display: block;
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer__contact li span,
.footer__contact li a {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.footer__contact li a:hover {
    color: var(--color-neon-primary);
}

/* ---- Newsletter ---- */
.footer__newsletter {
    margin-top: var(--space-6);
    padding-top: var(--space-6);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer__newsletter h6 {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-3);
}

.footer__newsletter-input {
    display: flex;
    gap: var(--space-2);
}

.footer__newsletter-input input {
    flex: 1;
    padding: var(--space-3) var(--space-4);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--text-sm);
    outline: none;
    transition: border-color var(--transition-fast);
}

.footer__newsletter-input input:focus {
    border-color: var(--color-neon-primary);
}

.footer__newsletter-input input::placeholder {
    color: var(--color-text-muted);
}

.footer__newsletter-msg {
    font-size: var(--text-xs);
    margin-top: var(--space-2);
    min-height: 1.2em;
}

.footer__newsletter-msg.success { color: var(--color-neon-green); }
.footer__newsletter-msg.error   { color: var(--color-neon-accent); }

/* ---- Bottom Bar ---- */
.footer__bottom {
    padding: var(--space-6) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer__bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.footer__copyright {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.footer__bottom-links {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.footer__bottom-links a {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.footer__bottom-links a:hover {
    color: var(--color-text-primary);
}

.footer__divider {
    color: var(--color-text-muted);
    opacity: 0.3;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .footer__grid {
        grid-template-columns: 1fr 1fr;
    }
    .footer__cta-graphic {
        display: none;
    }
}

@media (max-width: 768px) {
    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    .footer__bottom-inner {
        flex-direction: column;
        text-align: center;
    }
}