/* =================================
   SITE FOOTER
================================= */

.site-footer {
    position: relative;

    padding-top: var(--space-5xl);

    padding-bottom: var(--space-xl);

    border-top: 1px solid var(--color-border-light);

    background: var(--color-bg);
}


/* =================================
   FOOTER MAIN
================================= */

.footer-main {
    display: grid;

    grid-template-columns:
        1.7fr
        1fr
        1fr
        1fr;

    gap: var(--space-3xl);
}


/* =================================
   BRAND
================================= */

.footer-brand {
    max-width: 330px;
}


.footer-logo {
    display: inline-flex;
    align-items: center;

    gap: 0.65rem;

    color: var(--color-text);

    font-size: 0.9rem;
    font-weight: var(--weight-bold);

    letter-spacing: 0.12em;

    text-decoration: none;
}


.footer-logo span:last-child span {
    color: var(--color-primary);
}


.footer-logo-mark {
    width: 30px;
    height: 30px;

    display: grid;
    place-items: center;

    border: 1px solid var(--color-border);

    border-radius: 50%;

    color: var(--color-primary);

    font-size: 0.9rem;

    transition:
        transform var(--transition-normal),
        border-color var(--transition-normal);
}


.footer-logo:hover .footer-logo-mark {
    transform: rotate(15deg);

    border-color: var(--color-primary);
}


.footer-tagline {
    max-width: 270px;

    margin-top: var(--space-lg);

    color: var(--color-text-secondary);

    font-size: var(--text-sm);

    line-height: 1.7;
}


/* =================================
   FOOTER CTA
================================= */

.footer-cta {
    display: inline-flex;
    align-items: center;

    gap: 0.5rem;

    margin-top: var(--space-xl);

    padding-bottom: 0.3rem;

    border-bottom: 1px solid var(--color-border);

    color: var(--color-text);

    font-size: var(--text-sm);
    font-weight: var(--weight-bold);

    text-decoration: none;

    transition:
        color var(--transition-normal),
        border-color var(--transition-normal);
}


.footer-cta:hover {
    color: var(--color-primary);

    border-color: var(--color-primary);
}


.footer-cta span {
    color: var(--color-primary);
}


/* =================================
   FOOTER COLUMNS
================================= */

.footer-column h3 {
    margin-bottom: var(--space-lg);

    color: var(--color-text);

    font-size: 0.65rem;
    font-weight: var(--weight-bold);

    letter-spacing: 0.1em;

    text-transform: uppercase;
}


/* =================================
   FOOTER INFORMATION LIST
================================= */

.footer-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}


.footer-list span {
    color: var(--color-text-muted);

    font-size: var(--text-sm);

    line-height: 1.5;
}


.footer-column nav {
    display: flex;
    flex-direction: column;

    align-items: flex-start;

    gap: 0.75rem;
}


.footer-column nav a {
    color: var(--color-text-muted);

    font-size: var(--text-sm);

    text-decoration: none;

    transition:
        color var(--transition-normal),
        transform var(--transition-normal);
}


.footer-column nav a:hover {
    transform: translateX(3px);

    color: var(--color-text);
}


/* =================================
   DIVIDER
================================= */

.footer-divider {
    width: 100%;

    height: 1px;

    margin-top: var(--space-4xl);

    background: var(--color-border-light);
}


/* =================================
   FOOTER BOTTOM
================================= */

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: var(--space-xl);

    padding-top: var(--space-xl);
}


.footer-bottom p,
.footer-legal a {
    color: var(--color-text-muted);

    font-size: 0.65rem;
}


.footer-legal {
    display: flex;
    align-items: center;

    gap: 1.2rem;
}


.footer-legal a {
    text-decoration: none;

    transition:
        color var(--transition-normal);
}


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


.footer-built {
    text-align: right;

    letter-spacing: 0.04em;
}


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

@media (max-width: 850px) {

    .footer-main {
        grid-template-columns:
            1.5fr
            1fr
            1fr;
    }

    .footer-brand {
        grid-column: span 3;
    }

}


@media (max-width: 600px) {

    .footer-main {
        grid-template-columns:
            repeat(2, 1fr);

        gap: var(--space-2xl);
    }

    .footer-brand {
        grid-column: span 2;
    }

    .footer-bottom {
        align-items: flex-start;

        flex-direction: column;
    }

    .footer-built {
        text-align: left;
    }

}


@media (max-width: 420px) {

    .footer-main {
        grid-template-columns: 1fr;
    }

    .footer-brand {
        grid-column: auto;
    }

}