:root {
    --sat-footer-bg: #050b16;
    --sat-footer-surface: rgba(255, 255, 255, 0.06);
    --sat-footer-border: rgba(255, 255, 255, 0.12);
    --sat-footer-text: #f4f7ff;
    --sat-footer-muted: #94a3b8;
}

.sat-footer {
    margin-top: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: linear-gradient(180deg, rgba(7, 17, 31, 0.92), rgba(5, 11, 22, 0.98));
    color: var(--sat-footer-text);
    padding: 3.25rem 1.5rem 2rem;
}

.sat-footer__inner,
.sat-footer__bottom {
    max-width: 1280px;
    margin: 0 auto;
}

.sat-footer__inner {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 2rem;
    padding-bottom: 2rem;
}

.sat-footer__brand-link {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--sat-footer-text);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: 0.95rem;
}

.sat-footer__brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(110, 231, 255, 0.22), rgba(96, 165, 250, 0.24));
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.sat-footer__brand p {
    margin: 0;
    color: var(--sat-footer-muted);
    line-height: 1.7;
    max-width: 430px;
}

.sat-footer__columns {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
}

.sat-footer__column {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.sat-footer__column h3 {
    margin: 0 0 0.3rem;
    font-size: 0.95rem;
    color: var(--sat-footer-text);
}

.sat-footer__column a {
    color: var(--sat-footer-muted);
    text-decoration: none;
    transition: color 0.2s ease, transform 0.2s ease;
}

.sat-footer__column a:hover {
    color: var(--sat-footer-text);
    transform: translateX(2px);
}

.sat-footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 1.2rem;
    border-top: 1px solid var(--sat-footer-border);
    color: var(--sat-footer-muted);
    font-size: 0.95rem;
}

.sat-footer__socials {
    display: flex;
    align-items: center;
    gap: 0.7rem;
}

.sat-footer__socials a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: var(--sat-footer-text);
    background: var(--sat-footer-surface);
    border: 1px solid var(--sat-footer-border);
    transition: transform 0.2s ease, background 0.2s ease;
}

.sat-footer__socials a:hover {
    transform: translateY(-1px);
    background: rgba(110, 231, 255, 0.16);
}

@media (max-width: 900px) {
    .sat-footer__inner {
        grid-template-columns: 1fr;
    }

    .sat-footer__columns {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .sat-footer {
        padding: 2.25rem 1rem 1.5rem;
    }

    .sat-footer__columns {
        grid-template-columns: 1fr 1fr;
    }

    .sat-footer__bottom {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .sat-footer__columns {
        grid-template-columns: 1fr;
    }
}