/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #0a0a0a;
    color: #ffffff;
    line-height: 1.6;
}

/* Header Navigation */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #ffffff;
    text-decoration: none;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: #ffffff;
}

/* Footer */
.footer {
    background: #0a0a0a;
    padding: 3rem 2rem;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #666;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.social-links a {
    color: #999;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-links a:hover {
    color: #4a9eff;
    transform: translateY(-2px);
}

.social-links svg {
    width: 24px;
    height: 24px;
}

/* Content Styles */
.content h2 {
    font-size: 2rem;
    margin-top: 3rem;
    margin-bottom: 1rem;
    font-weight: 600;
    color: #fff;
}

.content h3 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
    color: #fff;
}

.content h4 {
    font-size: 1.25rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: #fff;
}

.content p {
    margin-bottom: 1.5rem;
    color: #ccc;
    line-height: 1.8;
    font-size: 1.1rem;
}

.content ul,
.content ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
    color: #ccc;
    font-size: 1.05rem;
}

.content li {
    margin-bottom: 0.75rem;
    line-height: 1.8;
}

.content strong {
    color: #fff;
    font-weight: 600;
}

.content a {
    color: #4a9eff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.content a:hover {
    color: #7bb4ff;
}

.content img {
    width: 100%;
    border-radius: 12px;
    margin: 2rem 0;
}

.content code {
    background: #1a1a1a;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.9em;
}

.content pre {
    background: #1a1a1a;
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 2rem 0;
}

.content pre code {
    background: none;
    padding: 0;
}

/* Gradient Title Effect */
.gradient-title {
    background: linear-gradient(135deg, #ffffff 0%, #999999 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Tags */
.tag {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: inline-block;
    margin-right: 0.5rem;
    margin-top: 0.5rem;
}

/* Page Headers */
.page-header {
    margin-top: 80px;
    padding: 4rem 2rem 2rem;
    text-align: center;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

/* Back Link */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #999;
    text-decoration: none;
    margin-bottom: 2rem;
    transition: color 0.3s ease;
}

.back-link:hover {
    color: #fff;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
    }
    
    .content p {
        font-size: 1rem;
    }
    
    .page-title {
        font-size: 2rem;
    }
}