/* ==========================================================================
   KROTAR — Footer
   ========================================================================== */

.site-footer {
    position: relative;
    overflow: hidden;
    border-top: 1px solid rgba(0, 145, 255, 0.28);
    background:
        linear-gradient(180deg, rgba(0, 102, 255, 0.12) 0%, transparent 260px),
        var(--color-bg);
    padding-top: var(--space-8);
}

.site-footer::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 15%;
    right: 15%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(0, 174, 239, 0.9), transparent);
    filter: blur(1px);
}

.footer-glow {
    top: -60px;
    left: 50%;
    width: 680px;
    height: 300px;
    transform: translateX(-50%);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr 1.1fr;
    gap: var(--space-6);
    padding-bottom: var(--space-7);
    border-bottom: 1px solid var(--color-border);
}

.footer-brand .site-logo {
    margin-bottom: var(--space-3);
}

.footer-tagline {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--color-text-muted);
    max-width: 260px;
    margin-bottom: var(--space-5);
}

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

.footer-social a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--color-border-light);
    color: var(--color-text-body);
    transition: color var(--duration-fast) ease, border-color var(--duration-fast) ease;
}

.footer-social a:hover {
    color: var(--color-cyan);
    border-color: var(--color-cyan);
}

.footer-col-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text);
    margin-bottom: var(--space-4);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--duration-fast) ease;
}

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

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-3);
    padding: var(--space-5) 0;
    font-size: 0.82rem;
    color: var(--color-text-dim);
}

.footer-legal-links {
    display: flex;
    gap: var(--space-5);
    list-style: none;
}

.footer-legal-links a {
    color: var(--color-text-dim);
    text-decoration: none;
}

.footer-legal-links a:hover {
    color: var(--color-text-muted);
}

@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        row-gap: var(--space-6);
    }
}

@media (max-width: 560px) {
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-tagline {
        max-width: none;
        margin-left: auto;
        margin-right: auto;
    }

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

    .footer-bottom {
        justify-content: center;
        text-align: center;
    }

    .footer-legal-links {
        justify-content: center;
        flex-wrap: wrap;
    }
}