/* ========================================================================= */
/*                                  Footer                                   */
/* ========================================================================= */

.main-footer {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    color: white;
    padding: 1.25rem 0 0.9375rem;
    position: relative;
    overflow: hidden;
    width: 100%;
    box-sizing: border-box;
}

.main-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="rgba(255,255,255,0.05)"><path d="M0,100 C300,50 700,50 1000,100 L1000,0 L0,0 Z"/></svg>') no-repeat top;
    background-size: cover;
    pointer-events: none;
}

.main-footer .container {
    position: relative;
    z-index: 1;
    max-width: 75rem;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Footer content */
.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin-bottom: 1.875rem;
}

.footer-info,
.footer-links {
    animation: fadeInUp 0.6s ease-out;
}

.footer-info {
    animation-delay: 0.1s;
}

.footer-links {
    animation-delay: 0.2s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(1.25rem);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Footer headings */
.footer-content h3 {
    color: white;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.9375rem;
    position: relative;
    padding-bottom: 0.625rem;
    text-align: center;
}

.footer-content h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2.5rem;
    height: 0.1875rem;
    background: linear-gradient(90deg, var(--accent-color), transparent);
    border-radius: 0.125rem;
}

/* Footer info */
.footer-info .logo {
    margin-bottom: 0.9375rem;
    text-align: center;
}

.footer-info .logo img {
    max-width: 6.25rem;
    height: auto;
    filter: brightness(1.1);
    transition: var(--transition);
}

.footer-info .logo img:hover {
    transform: scale(1.05);
}

/* Footer contact */
.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0 0 1.25rem 0;
}

.footer-contact li {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
    min-height: 2.75rem;
    /* Área de toque adequada */
}

.footer-contact li a {
    color: white;
    text-decoration: none;
    transition: var(--transition);
    padding: 0.5rem;
    border-radius: 0.25rem;
}

.footer-contact li a:hover,
.footer-contact li a:focus {
    background: rgba(255, 255, 255, 0.1);
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.footer-contact li img {
    width: 1.5625rem;
    height: 1.5625rem;
    margin-right: 0.625rem;
    filter: brightness(0) invert(1);
    flex-shrink: 0;
}

/* Social links */
.footer-social p {
    color: white;
    font-size: 0.9375rem;
    margin-bottom: 0.625rem;
    text-align: center;
}

.social-links {
    display: flex;
    gap: 0.5rem;
    margin-top: 0;
    justify-content: center;
    flex-wrap: wrap;
}

.social-links li a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    /* Mínimo 44px para acessibilidade */
    height: 2.75rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    text-decoration: none;
}

.social-links li a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.social-links li a:hover::before,
.social-links li a:focus::before {
    left: 100%;
}

.social-links li a:hover,
.social-links li a:focus {
    background: var(--accent-color);
    transform: translateY(-0.1875rem) scale(1.05);
    box-shadow: 0 0.375rem 0.9375rem rgba(164, 214, 94, 0.3);
    outline: 2px solid white;
    outline-offset: 2px;
}

.social-links li a img {
    width: 1.25rem;
    height: 1.25rem;
    filter: brightness(0) invert(1);
    transition: var(--transition);
}

/* Footer links */
.footer-links ul.site-map {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    text-align: center;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
    padding: 0.5rem;
    position: relative;
    font-size: 0.9375rem;
    display: inline-block;
    border-radius: 0.25rem;
    min-height: 2.75rem;
    /* Área de toque adequada */
    line-height: 1.75rem;
}

.footer-links li a:hover,
.footer-links li a:focus {
    color: white;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.1);
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.footer-nav-title {
    font-weight: 700;
    color: white;
    margin-bottom: 0.625rem;
    font-size: 1.125rem;
}

/* Footer bottom */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 1.25rem;
    margin-top: 1.5625rem;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    margin: 0;
    line-height: 1.5;
}

/* Scroll top button */
#scrollTopBtn {
    position: fixed;
    bottom: 0.9375rem;
    right: 0.9375rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    width: 2.75rem;
    /* Mínimo 44px para acessibilidade */
    height: 2.75rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 0.9375rem;
    box-shadow: 0 0.1875rem 0.75rem rgba(102, 187, 68, 0.3);
    transition: var(--transition);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(0.9375rem);
    border: none;
    cursor: pointer;
}

#scrollTopBtn.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#scrollTopBtn:hover,
#scrollTopBtn:focus {
    transform: translateY(-0.1875rem) scale(1.05);
    box-shadow: 0 0.375rem 1.25rem rgba(102, 187, 68, 0.4);
    outline: 2px solid white;
    outline-offset: 2px;
}

/* ========================================================================= */
/*                              Responsividade                               */
/* ========================================================================= */

/* Small tablets and up (768px+) */
@media (min-width: 48rem) {
    .main-footer {
        padding: 1.875rem 0 0.9375rem;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
        text-align: left;
    }

    .footer-content h3 {
        font-size: 1.125rem;
        text-align: left;
    }

    .footer-content h3::after {
        left: 0;
        transform: none;
        width: 3.125rem;
    }

    .footer-info .logo {
        text-align: left;
    }

    .footer-info .logo img {
        max-width: 7.5rem;
    }

    .footer-contact li {
        justify-content: flex-start;
        font-size: 1rem;
    }

    .footer-social p {
        text-align: left;
    }

    .social-links {
        justify-content: flex-start;
        gap: 0.75rem;
    }

    .footer-links ul.site-map {
        grid-template-columns: repeat(2, 1fr);
        gap: 0 1.875rem;
        text-align: left;
    }

    .footer-links li a {
        font-size: 1rem;
    }

    #scrollTopBtn {
        bottom: 1.25rem;
        right: 1.25rem;
        width: 2.8125rem;
        height: 2.8125rem;
        font-size: 1rem;
    }
}

/* Large tablets and small laptops (1024px+) */
@media (min-width: 64rem) {
    .main-footer {
        padding: 2.5rem 0 0.9375rem;
    }

    .footer-content h3 {
        font-size: 1.2rem;
    }

    .footer-info .logo img {
        max-width: 8.75rem;
    }

    .footer-contact li {
        font-size: 1.0625rem;
    }

    .social-links li a {
        width: 2.5rem;
        height: 2.5rem;
    }

    .social-links li a img {
        width: 1.25rem;
        height: 1.25rem;
    }

    #scrollTopBtn {
        bottom: 1.5625rem;
        right: 1.5625rem;
        width: 2.8125rem;
        height: 2.8125rem;
        font-size: 1.0625rem;
    }
}

/* Desktop and larger screens (1200px+) */
@media (min-width: 75rem) {
    .main-footer .container {
        padding: 0 0.9375rem;
    }

    .footer-content h3 {
        font-size: 1.25rem;
        margin-bottom: 1.25rem;
    }

    .footer-info .logo img {
        max-width: 8.75rem;
    }

    .footer-contact li {
        font-size: 1.1875rem;
    }

    .footer-contact li img {
        width: 1.5625rem;
        height: 1.5625rem;
    }

    .social-links {
        gap: 0.75rem;
    }

    .social-links li a {
        width: 2.5rem;
        height: 2.5rem;
    }

    .social-links li a img {
        width: 1.25rem;
        height: 1.25rem;
    }
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {

    .footer-info,
    .footer-links,
    .social-links li a,
    .footer-links li a,
    .footer-contact li a,
    #scrollTopBtn {
        animation: none;
        transition: none;
    }

    .social-links li a::before {
        display: none;
    }

    .social-links li a:hover,
    .social-links li a:focus,
    #scrollTopBtn:hover,
    #scrollTopBtn:focus {
        transform: none;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .footer-content h3::after {
        background: currentColor;
    }

    .social-links li a,
    .footer-contact li a,
    .footer-links li a {
        border: 1px solid currentColor;
    }

    .social-links li a:hover,
    .social-links li a:focus,
    .footer-contact li a:hover,
    .footer-contact li a:focus,
    .footer-links li a:hover,
    .footer-links li a:focus {
        background: white;
        color: var(--primary-color);
    }
}

/* Print styles */
@media print {
    .main-footer {
        background: none !important;
        color: black !important;
        box-shadow: none !important;
    }

    .main-footer::before {
        display: none;
    }

    .social-links,
    #scrollTopBtn {
        display: none;
    }

    .footer-contact li a,
    .footer-links li a {
        color: black !important;
        text-decoration: underline;
    }
}