* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f5f5f5;
}

.demo-content {
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    font-size: 18px;
}

footer {
    background: linear-gradient(135deg, #0a2540 0%, #0d3a5f 100%);
    color: white;
    padding: 60px 20px 20px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 18px;
    margin-bottom: 20px;
    font-weight: 600;
    color: #4fc3f7;
}

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

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: #e0e0e0;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.footer-section ul li a:hover {
    color: #4fc3f7;
    padding-left: 5px;
}

.pdf-icon {
    display: inline-block;
    width: 18px;
    height: 18px;
    background: #e74c3c;
    border-radius: 3px;
    position: relative;
    font-size: 10px;
    line-height: 18px;
    text-align: center;
    font-weight: bold;
}

.pdf-icon::after {
    content: 'PDF';
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    font-size: 14px;
    color: #b0b0b0;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #4fc3f7;
    transform: translateY(-3px);
}

.loading {
    color: #b0b0b0;
    font-style: italic;
    font-size: 14px;
}

.error {
    color: #e74c3c;
    font-size: 14px;
}

/* Logo Stili */
.footer-logo {
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 15px;
    background: linear-gradient(45deg, #4fc3f7, #29b6f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-description {
    color: #b0b0b0;
    font-size: 14px;
    line-height: 1.6;
}

/* Responsive Tasarım */
@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}