/* =====================================================
   FOOTER - InfraPilot Technical Design
   ===================================================== */

.footer {
    background: linear-gradient(180deg, #0f172a 0%, #0a0f1a 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 64px 0 32px;
    margin-top: auto;
}

/* Brand Section */
.footer-brand {
    display: flex;
    align-items: center;
    gap: 2px;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
}

.footer-brand .text-white {
    color: #f8fafc;
}

.footer-brand .text-primary {
    color: #3b82f6;
}

.footer-description {
    font-size: 14px;
    color: #94a3b8;
    line-height: 1.7;
    max-width: 300px;
    margin: 0 0 24px 0;
}

/* Tech Badge */
.footer-tech-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
}

.footer-tech-badge i {
    color: #10b981;
    font-size: 14px;
}

.footer-tech-badge span {
    font-size: 12px;
    color: #64748b;
    font-weight: 500;
}

/* Column Headings */
.footer-heading {
    font-size: 11px;
    font-weight: 700;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-heading::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, rgba(148, 163, 184, 0.2) 0%, transparent 100%);
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    font-size: 14px;
    color: #64748b;
    text-decoration: none;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.footer-links a:hover {
    color: #f1f5f9;
    transform: translateX(4px);
}

.footer-links a i {
    font-size: 12px;
    opacity: 0;
    transition: opacity 0.2s;
}

.footer-links a:hover i {
    opacity: 1;
}

/* Bottom Section */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: 48px;
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-copyright {
    font-size: 13px;
    color: #475569;
    margin: 0;
}

.footer-meta {
    display: flex;
    align-items: center;
    gap: 24px;
}

.footer-meta a {
    font-size: 12px;
    color: #475569;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-meta a:hover {
    color: #94a3b8;
}

/* Status Indicator */
.footer-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: #64748b;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* =====================================================
   RESPONSIVE
   ===================================================== */

@media (max-width: 767px) {
    .footer {
        padding: 48px 0 24px;
    }

    .footer-brand {
        font-size: 1.3rem;
    }

    .footer-description {
        max-width: 100%;
        margin-bottom: 32px;
    }

    .footer-heading::after {
        display: none;
    }

    .col-md-2,
    .col-md-3 {
        margin-bottom: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 12px;
        margin-top: 32px;
    }

    .footer-meta {
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
    }
}