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

.site-footer {
    width: 100%;
    background-color: var(--bg-header);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.footer-container {
    max-width: 1920px;
    margin: 0 auto;
    padding: 0 clamp(1rem, 2vw, 4rem);
}

/* ============================================================
    FOOTER GRID - 3 kolone
   ============================================================ */

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-md);
}

/* Kolone */
.footer-col {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-title {
    font-size: var(--font-h4);
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================================
    KOLONA 1 - O SAJTU
   ============================================================ */

.footer-logo {
    max-width: 150px;
    margin-bottom: var(--spacing-xs);
}

.footer-logo img {
    width: 100%;
    height: auto;
    display: block;
}

/* Light mode logo */
[data-theme="light"] .footer-logo img {
    filter: invert(1) brightness(0.2);
}

/* Dark mode logo */
[data-theme="dark"] .footer-logo img {
    filter: none;
}

.footer-description {
    font-size: var(--font-secondary);
    color: var(--text-secondary);
    line-height: var(--line-secondary);
    margin: 0;
    max-width: 400px;
}

.footer-copy {
    font-size: var(--font-tertiary);
    color: var(--text-muted);
    margin: 0;
}

/* ============================================================
    KOLONA 2 - MENI
   ============================================================ */

.footer-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-menu li {
    margin: 0;
    padding: 0;
}

.footer-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--font-secondary);
    transition: color 0.3s ease, transform 0.2s ease;
    display: inline-block;
    padding: 4px 0;
}

.footer-menu a:hover {
    color: var(--accent);
    transform: translateX(4px);
}

/* ============================================================
    KOLONA 3 - DRUŠTVENI KANALI
   ============================================================ */

.social-channels {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.channel-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-color);
    text-decoration: none;
    color: var(--text-main);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    min-height: 48px;
}

/* Linija sa strane koja označava kanal */
.channel-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.channel-link:hover {
    transform: translateX(4px);
    border-color: var(--accent);
    background-color: var(--bg-highlight);
}

.channel-link:hover::before {
    opacity: 1;
}

/* Viber boje */
.channel-viber::before {
    background: #7360F2;
}
.channel-viber:hover {
    border-color: #7360F2;
}

/* Telegram boje */
.channel-telegram::before {
    background: #0088cc;
}
.channel-telegram:hover {
    border-color: #0088cc;
}

/* WhatsApp boje */
.channel-whatsapp::before {
    background: #25D366;
}
.channel-whatsapp:hover {
    border-color: #25D366;
}

/* SVG ikone - ISPRAVLJENO */
.channel-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    line-height: 1;
}

.channel-icon img {
    width: 24px;
    height: 24px;
    display: block;
    object-fit: contain;
    transition: transform 0.3s ease;
    vertical-align: middle;
}

.channel-link:hover .channel-icon img {
    transform: scale(1.1);
}

/* UKLONJEN FILTER ZA IKONE - sada prikazuju svoje originalne boje */
[data-theme="light"] .channel-icon img {
    filter: none;
}

[data-theme="dark"] .channel-icon img {
    filter: none;
}

.channel-name {
    font-weight: 600;
    font-size: var(--font-secondary);
    flex-grow: 1;
    line-height: 1.4;
}

.channel-badge {
    font-size: var(--font-tertiary);
    color: var(--text-muted);
    padding: 2px 12px;
    border-radius: 20px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    white-space: nowrap;
    line-height: 1.4;
    display: inline-flex;
    align-items: center;
    align-self: center;
}

.channel-link:hover .channel-badge {
    background-color: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-sm);
}

.footer-bottom p {
    font-size: var(--font-tertiary);
    color: var(--text-muted);
    margin: 0;
}

.footer-bottom-right {
    display: flex;
    gap: var(--spacing-md);
}

.footer-bottom-right a {
    font-size: var(--font-tertiary);
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-bottom-right a:hover {
    color: var(--accent);
}

/* ============================================================
    RESPONZIVNOST
   ============================================================ */

@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-md);
    }
    
    .footer-col-about {
        grid-column: 1 / -1;
    }
}

@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-xs);
    }
    
    .footer-bottom-right {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .channel-link {
        padding: 10px 14px;
    }
    
    .footer-description {
        max-width: 100%;
    }
    
    .footer-logo {
        max-width: 120px;
    }
    
    .channel-icon {
        width: 28px;
        height: 28px;
    }
    
    .channel-icon img {
        width: 20px;
        height: 20px;
    }
}

/* ============================================================
    ANIMACIJE
   ============================================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.footer-col {
    animation: fadeInUp 0.6s ease-out both;
}

.footer-col:nth-child(1) { animation-delay: 0.05s; }
.footer-col:nth-child(2) { animation-delay: 0.1s; }
.footer-col:nth-child(3) { animation-delay: 0.15s; }