:root {
    --primary: #7166ff;
    --secondary: #30d5c8;
    --dark: #0a0c12;
    --light: #f8f9fa;
    --white: #ffffff;
    --gray: #6b7280;
    --border: #e5e7eb;
    --gradient-primary: linear-gradient(135deg, var(--primary), var(--secondary));
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--white);
    color: var(--dark);
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--dark);
    text-decoration: none;
}

.logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    color: var(--gray);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary);
}

/* Blog Post */
.blog-post {
    padding: 120px 0 80px;
}

.post-header {
    max-width: 800px;
    margin: 0 auto 64px;
    text-align: center;
}

.post-meta {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 24px;
}

.post-date,
.post-category {
    padding: 6px 16px;
    background: var(--light);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray);
}

.post-category {
    background: rgba(113, 102, 255, 0.1);
    color: var(--primary);
}

.post-header h1 {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.post-intro {
    font-size: 20px;
    color: var(--gray);
    line-height: 1.7;
}

.post-content {
    max-width: 800px;
    margin: 0 auto;
}

.post-content h2 {
    font-size: 36px;
    font-weight: 700;
    margin: 48px 0 24px;
    color: var(--dark);
}

.post-content h3 {
    font-size: 28px;
    font-weight: 700;
    margin: 32px 0 16px;
    color: var(--dark);
}

.post-content p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 24px;
    color: var(--gray);
}

.post-content ul,
.post-content ol {
    margin: 24px 0;
    padding-left: 32px;
}

.post-content li {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 12px;
    color: var(--gray);
}

.post-content strong {
    color: var(--dark);
    font-weight: 600;
}

.post-content a {
    color: var(--primary);
    text-decoration: none;
    border-bottom: 2px solid rgba(113, 102, 255, 0.3);
    transition: var(--transition);
}

.post-content a:hover {
    border-color: var(--primary);
}

.post-footer {
    max-width: 800px;
    margin: 64px auto 0;
    padding-top: 32px;
    border-top: 2px solid var(--border);
}

.post-tags {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.tag {
    padding: 8px 16px;
    background: var(--light);
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--dark);
    color: var(--white);
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-back:hover {
    transform: translateX(-4px);
}

/* Legal Pages */
.legal-page {
    padding: 120px 0 80px;
}

.legal-header {
    max-width: 800px;
    margin: 0 auto 64px;
    text-align: center;
}

.legal-header h1 {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 800;
    margin-bottom: 16px;
}

.legal-date {
    color: var(--gray);
    font-size: 16px;
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
}

.legal-content h2 {
    font-size: 32px;
    font-weight: 700;
    margin: 48px 0 24px;
}

.legal-content h3 {
    font-size: 24px;
    font-weight: 700;
    margin: 32px 0 16px;
}

.legal-content p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
    color: var(--gray);
}

.legal-content ul {
    margin: 20px 0;
    padding-left: 32px;
}

.legal-content li {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 12px;
    color: var(--gray);
}

/* Footer */
.footer {
    padding: 64px 0 32px;
    background: var(--dark);
    color: var(--white);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 48px;
    margin-bottom: 48px;
}

.footer-col h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-col p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

.footer-col a {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 12px;
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .post-content h2 {
        font-size: 28px;
    }
    
    .post-content h3 {
        font-size: 24px;
    }
    
    .post-content p,
    .post-content li {
        font-size: 16px;
    }
}