/* ========================================
   Footer
======================================== */
.footer {
    background-color: var(--navy-dark);
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
    text-align: center;
}

.footer-brand {
    text-align: center;
}

.footer-brand p {
    color: var(--gray);
    margin: var(--spacing-md) 0;
    line-height: 1.8;
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background-color: var(--navy-light);
    transform: translateY(-3px);
}

.footer-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

.footer-links {
    text-align: center;
}

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

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

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: var(--gray);
    justify-content: center;
}

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: var(--spacing-sm);
}

.footer-bottom p {
    color: var(--gray);
    margin: 0;
}

/* Responsive Design for Footer */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        text-align: center;
        gap: var(--spacing-lg);
    }

    .footer-title {
        font-size: 1rem;
        margin-bottom: var(--spacing-md);
    }

    .footer-links a,
    .footer-contact li {
        font-size: 0.875rem;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

/* LINE Floating Button - Mobile Only */
.line-float-btn {
    display: none !important;
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 56px;
    height: 56px;
    background-color: #00B900;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 15px rgba(0, 185, 0, 0.4);
    z-index: 99999;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.line-float-btn svg {
    width: 28px;
    height: 28px;
}

@media (max-width: 768px) {
    .line-float-btn {
        display: flex !important;
    }

    .line-float-btn:hover {
        transform: scale(1.1);
        box-shadow: 0 6px 20px rgba(0, 185, 0, 0.5);
    }
}