/**
 * Footer Styles - PT Arsitekta Marine
 * Simplified premium footer + sponsor logos
 */

/* ============================================
   Footer Base
============================================ */
.footer {
    position: relative;
    background: #2a2a2a;
    color: var(--gray-300);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    padding-bottom: 0 !important;
}

.footer-top-bar {
    height: 4px;
    background: linear-gradient(90deg, #1a8a8a 0%, #2d9d9d 50%, #1a8a8a 100%);
}

.footer::before {
    content: '';
    position: absolute;
    inset: 0;
    background: transparent;
    z-index: 0;
}

.footer>* {
    position: relative;
    z-index: 1;
}

.footer-content {
    background: #2a2a2a;
    padding: var(--spacing-3xl) 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--spacing-xl);
}

.footer-col {
    min-width: 0;
}

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

.footer-links,
.footer-social-large,
.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    font-size: 0.9375rem;
    color: var(--gray-400);
    transition: color var(--transition-fast);
    line-height: 1.6;
}

.footer-links a i {
    font-size: 0.75rem;
    color: var(--secondary);
    flex-shrink: 0;
    margin-top: 0.35rem;
}

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.9375rem;
}

.footer-contact i {
    color: var(--secondary);
    margin-top: 4px;
}

/* ============================================
   Social Links Large (with text)
============================================ */
.footer-social-large {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-social-large li {
    margin: 0;
}

.social-link-lg {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 0.5rem 0;
    color: var(--white);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
    line-height: 1.5;
}

.social-link-lg:hover {
    color: var(--secondary);
}

.social-link-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--secondary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.social-link-icon i {
    color: var(--white);
}

.social-link-lg:hover .social-link-icon {
    background: var(--secondary);
}

.social-link-lg:hover .social-link-icon i {
    color: var(--primary);
}

/* ============================================
   Sponsors / Support Logos
============================================ */
.footer-support {
    background: var(--white);
    padding: 2.5rem 0;
}

.support-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    text-align: center;
}

/* Vertical Social Links for Footer */
.social-links-vertical {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.social-links-vertical li a {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--gray-400);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.social-links-vertical li a:hover {
    color: var(--white);
    transform: translateX(5px);
}

.social-icon-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    color: var(--secondary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.social-links-vertical li a:hover .social-icon-wrapper {
    background: var(--secondary);
    color: var(--primary);
}

.support-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.support-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2xl);
    flex-wrap: wrap;
}

.support-logo {
    display: block;
    object-fit: contain;
    object-position: center;
    max-height: 170px;
    width: auto;
    transition: all 0.3s ease;
    /* No grayscale - keep original colors */
    opacity: 1;
}

.support-logo:hover {
    transform: translateY(-5px) scale(1.05);
    opacity: 1;
}

/* ============================================
   Footer Bottom
============================================ */
.footer-bottom {
    background: #3a3a3a;
    padding: 1rem 0;
    text-align: center;
    font-size: 0.875rem;
    color: var(--white);
}

.footer-bottom-inner {
    text-align: center;
}

.footer-bottom-copy {
    color: #aaa;
    font-size: 0.85rem;
    margin: 0;
}

/* ============================================
   Footer Responsive
============================================ */
@media (max-width: 991px) {
    .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--spacing-lg);
    }

    .footer-col:last-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .footer {
        background-attachment: scroll;
        background-position: center top;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .footer-content {
        padding: var(--spacing-2xl) 0;
    }

    .footer-col:last-child {
        grid-column: auto;
    }

    .footer-title {
        margin-bottom: var(--spacing-md);
    }

    .support-logos {
        gap: var(--spacing-xl);
    }
}

@media (max-width: 575px) {
    .footer-content {
        padding: var(--spacing-xl) 0;
    }

    .footer-links a,
    .social-link-lg,
    .footer-contact li {
        font-size: 0.9rem;
    }

    .footer-contact li {
        gap: 0.75rem;
    }

    .support-logos {
        gap: var(--spacing-lg);
    }

    .support-logo {
        max-height: 55px;
    }
}

/* ============================================
   Back to Top
============================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    color: var(--primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px);
}