/* Footer tokens keep a stable high-contrast surface across themes. */
:root {
    --footer-bg: linear-gradient(160deg, #2d1b3d 0%, #1f142a 100%);
    --footer-text: rgba(255, 255, 255, 0.86);
    --footer-text-muted: rgba(255, 255, 255, 0.68);
    --footer-heading: #e9cbff;
    --footer-border: rgba(255, 255, 255, 0.14);
    --footer-social-shadow: rgba(126, 49, 156, 0.42);
}

:root[data-theme="dark"] {
    --footer-bg: var(--surface-elevated);
    --footer-text: var(--text-primary);
    --footer-text-muted: var(--text-secondary);
    --footer-heading: var(--text-primary);
    --footer-border: var(--border-color);
    --footer-social-shadow: var(--shadow-color);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --footer-bg: var(--surface-elevated);
        --footer-text: var(--text-primary);
        --footer-text-muted: var(--text-secondary);
        --footer-heading: var(--text-primary);
        --footer-border: var(--border-color);
        --footer-social-shadow: var(--shadow-color);
    }
}

main {
  min-height: 100vh;
  flex: 1; /* faz o conteúdo ocupar o espaço restante */
}

.footer {
    background: var(--footer-bg);
    color: var(--footer-text);
  padding: 3rem 0 1rem;
  border-radius: 0px 60px 0 0;
}

.imob-footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.imob-footer-section h3,
.imob-footer-section h4 {
    color: var(--footer-heading);
    margin-bottom: 1rem;
    font-weight: 600;
}

.imob-footer-section p {
    color: var(--footer-text);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.imob-footer-section div {
    color: var(--footer-text);
}

.imob-footer-section ul {
    list-style: none;
    padding-left: 0rem;
}

.imob-footer-section ul li {
    margin-bottom: 0.5rem;
}

.imob-footer-section ul li a {
    color: var(--footer-text);
    text-decoration: none;
    transition: color 0.3s ease;
}

.imob-footer-section ul li a:hover {
    color: var(--footer-heading);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-on-overlay);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px var(--footer-social-shadow);
}

:root[data-theme="dark"] .social-links a {
    background: var(--primary-color);
    color: var(--primary-contrast-text);
    border: 1px solid color-mix(in srgb, var(--border-color) 55%, transparent);
}

:root[data-theme="dark"] .social-links a:hover {
    background: color-mix(in srgb, var(--primary-color) 85%, var(--surface-elevated));
    color: var(--surface-background);
    box-shadow: 0 8px 18px color-mix(in srgb, var(--shadow-color) 60%, transparent);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .social-links a {
        background: var(--primary-color);
        color: var(--primary-contrast-text);
        border: 1px solid color-mix(in srgb, var(--border-color) 55%, transparent);
    }

    :root:not([data-theme="light"]) .social-links a:hover {
        background: color-mix(in srgb, var(--primary-color) 85%, var(--surface-elevated));
        color: var(--surface-background);
        box-shadow: 0 8px 18px color-mix(in srgb, var(--shadow-color) 60%, transparent);
    }
}

.footer-bottom,
.imob-footer-bottom {
    border-top: 1px solid var(--footer-border);
    padding-top: 1rem;
    text-align: center;
    color: var(--footer-text-muted);
}

@media only screen and (max-width: 1200px) {
    .footer-container {
        max-width: 100%;
    }
}

@media only screen and (min-width: 1200px) {
    .footer-container {
        max-width: 1250px;
    }
}

.footer-container {
    margin: 0 auto;
    padding: 0 20px;
}

/* Theme toggle button in footer */
.theme-toggle-section {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--footer-border);
}

.theme-toggle-section .theme-toggle-button {
    min-width: auto;
    width: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--footer-text);
    border: 1px solid var(--footer-border);
    box-shadow: 0 4px 12px var(--footer-social-shadow);
    transition: all 0.3s ease;
}

.theme-toggle-section .theme-toggle-button:hover {
    background: rgba(255, 255, 255, 0.16);
    border-color: var(--footer-text-muted);
}

.theme-toggle-section .theme-toggle-button:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.theme-toggle-section .theme-toggle-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1rem;
    line-height: 1;
}

.theme-toggle-section .theme-toggle-label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--footer-text);
}

@media only screen and (max-width: 550px) {
    .theme-toggle-section .theme-toggle-button {
        min-width: 96px;
        gap: 6px;
        padding: 10px 12px;
    }
}