/* VisionFu Styles v2 */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: #0a0a0a; color: #fff; line-height: 1.6; }
nav { display: flex; justify-content: space-between; align-items: center; padding: 1rem 2rem; max-width: 1200px; margin: 0 auto; }
.logo { display: inline-flex; align-items: center; gap: 12px; font-size: 1.5rem; font-weight: 700; color: #fff; text-decoration: none; }
.logo img { width: 28px; height: 28px; vertical-align: middle; flex-shrink: 0; }
.nav-links { display: flex; gap: 2rem; align-items: center; }
.nav-links a { color: #aaa; text-decoration: none; }
.nav-links a:hover { color: #fff; }
.btn { background: linear-gradient(135deg, #667eea, #764ba2); color: #fff; padding: 0.5rem 1.5rem; border-radius: 8px; text-decoration: none; font-weight: 500; display: inline-block; }
.btn:hover { opacity: 0.9; }
.btn-large { padding: 1rem 2.5rem; font-size: 1.1rem; }
.hero { text-align: center; padding: 6rem 2rem 4rem; max-width: 800px; margin: 0 auto; }
.hero h1 { font-size: 3rem; margin-bottom: 1rem; background: linear-gradient(135deg, #667eea, #764ba2); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero p { font-size: 1.2rem; color: #888; margin-bottom: 2rem; }
.hero-sub { font-size: 0.9rem; color: #666; margin-top: 1rem; }

/* Features Grid */
.section-title { text-align: center; font-size: 1.5rem; color: #667eea; margin: 3rem 0 1.5rem; }
.features { padding: 2rem 2rem 4rem; max-width: 1200px; margin: 0 auto; }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; margin-bottom: 2rem; }
.feature { background: #111; padding: 1.5rem; border-radius: 12px; border: 1px solid #222; text-decoration: none; color: inherit; transition: border-color 0.2s, transform 0.2s; display: block; }
.feature:hover { border-color: #667eea; transform: translateY(-2px); }
.feature h3 { margin-bottom: 0.5rem; color: #fff; }
.feature p { color: #888; font-size: 0.95rem; }

/* Content Pages */
.content { max-width: 800px; margin: 0 auto; padding: 2rem; }
.content h2 { font-size: 1.8rem; margin: 2rem 0 1rem; color: #fff; }
.content h3 { font-size: 1.3rem; margin: 1.5rem 0 0.75rem; color: #ddd; }
.content p { color: #aaa; margin-bottom: 1rem; }
.content ul, .content ol { color: #aaa; margin: 1rem 0 1.5rem 1.5rem; }
.content li { margin-bottom: 0.5rem; }

/* Card Grid for landing pages */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; margin: 2rem 0; }
.card { background: #111; padding: 1.5rem; border-radius: 12px; border: 1px solid #222; text-decoration: none; color: inherit; transition: border-color 0.2s, transform 0.2s; display: block; }
.card:hover { border-color: #667eea; transform: translateY(-2px); }
.card h3 { color: #fff; margin-bottom: 0.5rem; }
.card p { color: #888; font-size: 0.9rem; margin-bottom: 0.75rem; }
.learn-more { color: #667eea; font-size: 0.85rem; }

/* CTA Section */
.cta { background: linear-gradient(135deg, #1a1a2e, #16213e); padding: 4rem 2rem; text-align: center; margin-top: 3rem; }
.cta h2 { font-size: 2rem; margin-bottom: 1rem; }
.cta p { color: #888; margin-bottom: 1.5rem; }

/* Footer */
footer { padding: 3rem 2rem; border-top: 1px solid #222; }
.footer-links { display: flex; justify-content: center; gap: 4rem; flex-wrap: wrap; max-width: 1200px; margin: 0 auto 2rem; }
.footer-col { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-col h4 { color: #fff; margin-bottom: 0.5rem; font-size: 0.9rem; }
.footer-col a { color: #666; text-decoration: none; font-size: 0.85rem; }
.footer-col a:hover { color: #888; }
.copyright { text-align: center; color: #444; font-size: 0.85rem; }
footer p a { color: #888; }

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
  .nav-links { gap: 1rem; }
  .footer-links { gap: 2rem; }
}