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

.zk-footer {
    background-color: var(--zk-black);
    color: var(--zk-white);
}

/* Footer Main */
.zk-footer__main {
    padding: var(--space-20) 0 var(--space-12);
}

.zk-footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
    gap: var(--space-10);
    align-items: start;
}

/* Company column */
.zk-footer__logo {
    margin-bottom: var(--space-4);
}

.zk-footer__logo .custom-logo {
    height: 50px;
    width: auto;
    filter: brightness(0) invert(1);
}

.zk-footer__brand {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 900;
    color: var(--zk-yellow);
}

.zk-footer__desc {
    font-size: var(--text-sm);
    color: rgba(255,255,255,.6);
    line-height: 1.75;
    margin-bottom: var(--space-6);
}

/* Social icons */
.zk-footer__social {
    display: flex;
    gap: var(--space-3);
}

.zk-footer__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: rgba(255,255,255,.08);
    border-radius: var(--radius-md);
    color: rgba(255,255,255,.7);
    text-decoration: none;
    transition: all var(--transition-fast);
    border: 1px solid rgba(255,255,255,.08);
}

.zk-footer__social-link:hover {
    background: var(--zk-yellow);
    color: var(--zk-black);
    border-color: var(--zk-yellow);
    transform: translateY(-2px);
}

/* Column headings */
.zk-footer__heading {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: var(--zk-yellow);
    margin-bottom: var(--space-5);
}

/* Navigation links */
.zk-footer__links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.zk-footer__links li a {
    font-size: var(--text-sm);
    color: rgba(255,255,255,.65);
    text-decoration: none;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.zk-footer__links li a:hover {
    color: var(--zk-yellow);
    padding-left: 6px;
}

/* Newsletter */
.zk-footer__newsletter-desc {
    font-size: var(--text-sm);
    color: rgba(255,255,255,.6);
    line-height: 1.6;
    margin-bottom: var(--space-4);
}

.zk-footer__newsletter-input-wrap {
    display: flex;
    align-items: center;
    border: 1px solid rgba(255,255,255,.15);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: rgba(255,255,255,.06);
    transition: border-color var(--transition-fast);
}

.zk-footer__newsletter-input-wrap:focus-within {
    border-color: var(--zk-yellow);
}

.zk-footer__newsletter-input {
    flex: 1;
    height: 44px;
    padding: 0 var(--space-4);
    background: transparent;
    border: none;
    outline: none;
    color: var(--zk-white);
    font-size: var(--text-sm);
    font-family: var(--font-body);
}

.zk-footer__newsletter-input::placeholder {
    color: rgba(255,255,255,.35);
}

.zk-footer__newsletter-btn {
    width: 44px;
    height: 44px;
    background: var(--zk-yellow);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--zk-black);
    flex-shrink: 0;
    transition: background var(--transition-fast);
}

.zk-footer__newsletter-btn:hover {
    background: var(--zk-yellow-dark);
}

.zk-footer__newsletter-msg {
    font-size: var(--text-xs);
    margin-top: var(--space-2);
    min-height: 18px;
    color: var(--zk-yellow);
}

.zk-footer__newsletter-msg.is-error {
    color: #ff6b6b;
}

/* Footer bottom */
.zk-footer__bottom {
    border-top: 1px solid rgba(255,255,255,.08);
    padding: var(--space-5) 0;
}

.zk-footer__bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
    flex-wrap: wrap;
}

.zk-footer__copyright {
    font-size: var(--text-sm);
    color: rgba(255,255,255,.45);
}

.zk-footer__bottom-links {
    display: flex;
    gap: var(--space-6);
}

.zk-footer__bottom-links a {
    font-size: var(--text-sm);
    color: rgba(255,255,255,.45);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.zk-footer__bottom-links a:hover {
    color: var(--zk-yellow);
}

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

@media (max-width: 1200px) {
    .zk-footer__grid {
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
        gap: var(--space-8);
    }
    .zk-footer__col--newsletter {
        grid-column: 1 / -1;
        max-width: 480px;
    }
}

@media (max-width: 768px) {
    .zk-footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }
    .zk-footer__col--company {
        grid-column: 1 / -1;
    }
    .zk-footer__col--newsletter {
        grid-column: 1 / -1;
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .zk-footer__grid {
        grid-template-columns: 1fr;
    }
    .zk-footer__col--company,
    .zk-footer__col--newsletter {
        grid-column: auto;
    }
    .zk-footer__bottom-inner {
        flex-direction: column;
        text-align: center;
    }
}