/* Reset & Base */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #0a0a1a; color: #e0e0e0; line-height: 1.7; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 2rem; }

/* Navigation */
.nav { background: rgba(10, 10, 26, 0.95); border-bottom: 1px solid rgba(99, 102, 241, 0.15); padding: 1rem 2rem; position: sticky; top: 0; z-index: 100; display: flex; align-items: center; justify-content: space-between; backdrop-filter: blur(10px); }
.nav-logo { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; color: #fff; font-weight: 700; font-size: 1.1rem; }
.nav-logo-icon { width: 36px; height: 36px; }
.nav-links { display: flex; gap: 2rem; }
.nav-links a { color: #94a3b8; text-decoration: none; font-size: 0.9rem; transition: color 0.2s; }
.nav-links a:hover { color: #fff; }

/* Hero */
.hero { position: relative; min-height: 85vh; display: flex; align-items: center; justify-content: center; overflow: hidden; padding: 4rem 2rem; }
.hero-bg-grid { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-image: linear-gradient(rgba(99, 102, 241, 0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(99, 102, 241, 0.04) 1px, transparent 1px); background-size: 60px 60px; }
.orb { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.25; }
.orb-1 { width: 400px; height: 400px; background: #6366f1; top: -100px; right: -100px; animation: float 8s ease-in-out infinite; }
.orb-2 { width: 300px; height: 300px; background: #06b6d4; bottom: -50px; left: -50px; animation: float 10s ease-in-out infinite reverse; }
.orb-3 { width: 200px; height: 200px; background: #8b5cf6; top: 50%; left: 50%; animation: float 12s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(30px, -30px); } }
.hero-content { position: relative; z-index: 1; text-align: center; max-width: 700px; }
.hero-logo { width: 120px; height: 120px; margin-bottom: 2rem; filter: drop-shadow(0 0 20px rgba(99, 102, 241, 0.3)); }
.hero h1 { font-size: 3rem; font-weight: 700; margin-bottom: 1rem; background: linear-gradient(135deg, #fff 0%, #6366f1 60%, #06b6d4 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subtitle { font-size: 1.2rem; color: #94a3b8; margin-bottom: 2.5rem; max-width: 550px; margin-left: auto; margin-right: auto; }
.hero-ctas { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* Buttons */
.btn { display: inline-block; padding: 0.75rem 1.75rem; border-radius: 8px; text-decoration: none; font-weight: 500; font-size: 0.95rem; transition: all 0.3s; }
.btn-primary { background: linear-gradient(135deg, #6366f1, #06b6d4); color: #fff; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3); }
.btn-secondary { background: transparent; color: #a5b4fc; border: 1px solid rgba(99, 102, 241, 0.3); }
.btn-secondary:hover { border-color: #6366f1; background: rgba(99, 102, 241, 0.08); }

/* Node animations */
.node-pulse { animation: node-glow 2s ease-in-out infinite; }
.node-pulse-delay { animation: node-glow 2s ease-in-out infinite 0.4s; }
.node-pulse-delay2 { animation: node-glow 2s ease-in-out infinite 0.8s; }
@keyframes node-glow { 0%, 100% { opacity: 0.5; } 50% { opacity: 1; } }

/* Section Titles */
.section-title { font-size: 2rem; font-weight: 700; text-align: center; margin-bottom: 3rem; color: #fff; }

/* Services */
.services { padding: 6rem 0; border-top: 1px solid rgba(99, 102, 241, 0.1); }
.services-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; }
.service-card { background: rgba(30, 30, 50, 0.6); border: 1px solid rgba(99, 102, 241, 0.12); border-radius: 12px; padding: 2rem; transition: all 0.3s; }
.service-card:hover { border-color: rgba(99, 102, 241, 0.4); transform: translateY(-4px); box-shadow: 0 10px 30px rgba(99, 102, 241, 0.1); }
.service-icon { width: 44px; height: 44px; margin-bottom: 1rem; color: #6366f1; }
.service-icon svg { width: 100%; height: 100%; }
.service-card h3 { font-size: 1.15rem; font-weight: 600; color: #fff; margin-bottom: 0.5rem; }
.service-card p { color: #94a3b8; font-size: 0.9rem; line-height: 1.6; }

/* Blog Preview */
.blog-preview { padding: 6rem 0; border-top: 1px solid rgba(99, 102, 241, 0.1); }
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.5rem; }
.blog-card { display: block; background: rgba(30, 30, 50, 0.6); border: 1px solid rgba(99, 102, 241, 0.12); border-radius: 12px; padding: 2rem; text-decoration: none; transition: all 0.3s; }
.blog-card:hover { border-color: rgba(99, 102, 241, 0.4); transform: translateY(-4px); box-shadow: 0 10px 30px rgba(99, 102, 241, 0.1); }
.blog-card-tag { display: inline-block; font-size: 0.75rem; font-weight: 600; color: #6366f1; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 0.75rem; }
.blog-card h3 { font-size: 1.2rem; color: #fff; margin-bottom: 0.75rem; }
.blog-card p { color: #94a3b8; font-size: 0.9rem; margin-bottom: 1rem; }
.blog-card-link { color: #6366f1; font-size: 0.85rem; font-weight: 500; }

/* Footer */
.footer { border-top: 1px solid rgba(99, 102, 241, 0.1); padding: 3rem 0 2rem; margin-top: 2rem; }
.footer-content { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 2rem; }
.footer-logo { font-weight: 700; font-size: 1.1rem; color: #fff; margin-bottom: 0.5rem; }
.footer-brand p { color: #64748b; font-size: 0.85rem; }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { color: #94a3b8; text-decoration: none; font-size: 0.9rem; transition: color 0.2s; }
.footer-links a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(99, 102, 241, 0.08); padding-top: 1.5rem; }
.footer-bottom p { color: #475569; font-size: 0.8rem; }

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    .hero-subtitle { font-size: 1rem; }
    .nav-links { gap: 1rem; }
    .footer-content { flex-direction: column; gap: 1.5rem; }
    .services-grid { grid-template-columns: 1fr; }
}