/* Chat Widget */
.chat-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

.chat-toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary-color);
    color: var(--background-dark);
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 5px 20px var(--shadow-glow);
    transition: all 0.3s ease;
}

.chat-toggle:hover {
    transform: scale(1.1);
}

.chat-window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 300px;
    height: 400px;
    background: var(--background-card);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    display: none;
    flex-direction: column;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.chat-header {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-body {
    flex: 1;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    overflow-y: auto;
}

.chat-message {
    padding: 0.75rem;
    border-radius: 12px;
    max-width: 80%;
}

.chat-message.bot {
    background: rgba(0, 212, 170, 0.1);
    align-self: flex-start;
}

.chat-message.user {
    background: var(--primary-color);
    color: var(--background-dark);
    align-self: flex-end;
}

/* Footer */
footer {
    background: var(--background-card);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.footer-section ul {
    list-style: none;
}

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

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

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

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

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

.social-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--shadow-glow);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}