@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap";
:root{--primary-gradient:linear-gradient(135deg,#667eea 0%,#764ba2 100%);--secondary-gradient:linear-gradient(135deg,#f093fb 0%,#f5576c 100%);--accent-gradient:linear-gradient(135deg,#4facfe 0%,#00f2fe 100%);--neural-gradient:linear-gradient(135deg,#fa709a 0%,#fee140 100%);--bg-dark:#0a0a0f;--bg-card:#0f0f19cc;--bg-card-hover:#141423e6;--text-primary:#fff;--text-secondary:#b4b4c8;--text-muted:#6b6b8a;--accent-purple:#667eea;--accent-pink:#f093fb;--accent-cyan:#00f2fe;--accent-yellow:#fee140;--border-subtle:#ffffff1a;--glow-purple:#667eea66;--glow-cyan:#00f2fe66}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg-dark);color:var(--text-primary);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.6;position:relative;overflow-x:hidden}body:before{content:"";z-index:-1;background:radial-gradient(circle at 20% 30%,#667eea26 0%,#0000 50%),radial-gradient(circle at 80% 70%,#f093fb26 0%,#0000 50%),radial-gradient(circle,#00f2fe1a 0%,#0000 50%);width:100%;height:100%;animation:15s ease-in-out infinite backgroundPulse;position:fixed;top:0;left:0}@keyframes backgroundPulse{0%,to{opacity:1}50%{opacity:.7}}.neural-grid{z-index:-1;background-image:linear-gradient(#667eea08 1px,#0000 1px),linear-gradient(90deg,#667eea08 1px,#0000 1px);background-size:50px 50px;width:100%;height:100%;animation:20s linear infinite gridMove;position:fixed;top:0;left:0}@keyframes gridMove{0%{transform:translate(0)}to{transform:translate(50px,50px)}}h1,h2,h3,h4,h5,h6{font-family:Space Grotesk,Inter,sans-serif;font-weight:700;line-height:1.2}h1{background:var(--primary-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:1.5rem;font-size:clamp(2.5rem,6vw,4.5rem)}h2{margin-bottom:1rem;font-size:clamp(2rem,4vw,3rem)}h3{margin-bottom:.75rem;font-size:clamp(1.5rem,3vw,2rem)}.container{max-width:1200px;margin:0 auto;padding:0 2rem}.hero{text-align:center;justify-content:center;align-items:center;min-height:100vh;padding:4rem 0;display:flex;position:relative}.hero-content{z-index:1;max-width:900px;margin:0 auto;position:relative}.hero-badge{background:var(--bg-card);border:1px solid var(--border-subtle);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:50px;align-items:center;gap:.5rem;margin-bottom:2rem;padding:.5rem 1.25rem;font-size:.875rem;font-weight:500;animation:.8s ease-out fadeInUp;display:inline-flex}.hero-badge:before{content:"";background:var(--accent-cyan);border-radius:50%;width:8px;height:8px;animation:2s ease-in-out infinite pulse}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.2)}}.hero h1{animation:.8s ease-out .2s both fadeInUp}.hero-subtitle{color:var(--text-secondary);margin-bottom:3rem;font-size:clamp(1.125rem,2vw,1.5rem);line-height:1.6;animation:.8s ease-out .4s both fadeInUp}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.features{padding:6rem 0;position:relative}.features-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:4rem;display:grid}.feature-card{background:var(--bg-card);border:1px solid var(--border-subtle);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:20px;padding:2.5rem;transition:all .3s;position:relative;overflow:hidden}.feature-card:before{content:"";background:var(--primary-gradient);opacity:0;width:100%;height:100%;transition:opacity .3s;position:absolute;top:0;left:0}.feature-card:hover{border-color:var(--accent-purple);transform:translateY(-5px);box-shadow:0 20px 60px #667eea4d}.feature-card:hover:before{opacity:.05}.feature-icon{background:var(--primary-gradient);z-index:1;border-radius:15px;justify-content:center;align-items:center;width:60px;height:60px;margin-bottom:1.5rem;font-size:1.75rem;display:flex;position:relative}.feature-card h3{z-index:1;color:var(--text-primary);position:relative}.feature-card p{z-index:1;color:var(--text-secondary);line-height:1.7;position:relative}.cta-section{text-align:center;padding:6rem 0}.cta-content{max-width:700px;margin:0 auto}.cta-section h2{margin-bottom:1.5rem}.cta-section p{color:var(--text-secondary);margin-bottom:3rem;font-size:1.125rem}.signup-form{background:var(--bg-card);border:1px solid var(--border-subtle);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:20px;max-width:600px;margin:0 auto;padding:3rem;box-shadow:0 20px 60px #0000004d}.form-group{text-align:left;margin-bottom:1.5rem}.form-group label{color:var(--text-primary);margin-bottom:.5rem;font-size:.95rem;font-weight:500;display:block}.form-group input,.form-group textarea{border:1px solid var(--border-subtle);width:100%;color:var(--text-primary);background:#ffffff0d;border-radius:12px;padding:1rem 1.25rem;font-family:inherit;font-size:1rem;transition:all .3s}.form-group input:focus,.form-group textarea:focus{border-color:var(--accent-purple);box-shadow:0 0 0 3px var(--glow-purple);background:#ffffff14;outline:none}.form-group textarea{resize:vertical;min-height:120px}.form-group input::placeholder,.form-group textarea::placeholder{color:var(--text-muted)}.btn{background:var(--primary-gradient);color:#fff;cursor:pointer;border:none;border-radius:12px;justify-content:center;align-items:center;gap:.75rem;padding:1rem 2.5rem;font-family:inherit;font-size:1.125rem;font-weight:600;transition:all .3s;display:inline-flex;position:relative;overflow:hidden}.btn:before{content:"";background:linear-gradient(90deg,#0000,#fff3,#0000);width:100%;height:100%;transition:left .5s;position:absolute;top:0;left:-100%}.btn:hover:before{left:100%}.btn:hover{box-shadow:0 10px 30px var(--glow-purple);transform:translateY(-2px)}.btn:active{transform:translateY(0)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-full{width:100%}.message{text-align:center;border-radius:12px;margin-bottom:1.5rem;padding:1rem 1.5rem;font-weight:500}.message-success{color:#10b981;background:#10b9811a;border:1px solid #10b9814d}.message-error{color:#ef4444;background:#ef44441a;border:1px solid #ef44444d}.particle{background:var(--accent-cyan);pointer-events:none;opacity:.6;z-index:-1;border-radius:50%;width:4px;height:4px;position:fixed}@media (max-width:768px){.container{padding:0 1.5rem}.features-grid{grid-template-columns:1fr;gap:1.5rem}.signup-form{padding:2rem 1.5rem}.hero{min-height:90vh}}.spinner{border:3px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:20px;height:20px;animation:.8s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}