:root{--bg-primary:#050505;--bg-secondary:#0a0a0a;--text-main:#fff;--text-muted:#a1a1aa;--accent:#8b5cf6;--accent-glow:#8b5cf666;--accent-dark:#6d28d9;--accent-secondary:#ec4899;--border-light:#ffffff14;--glass-bg:#ffffff08;--glass-border:#ffffff14}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-main);background-image:radial-gradient(circle at 15%,#8b5cf614,#0000 25%),radial-gradient(circle at 85% 30%,#ec489914,#0000 25%);background-attachment:fixed;font-family:Inter,sans-serif;line-height:1.6;overflow-x:hidden}h1,h2,h3,.logo{font-family:Playfair Display,serif}h1{letter-spacing:-.02em;margin-bottom:1.5rem;font-size:clamp(3rem,6vw,5rem);font-weight:700;line-height:1.1}h2{margin-bottom:1.5rem;font-size:clamp(2rem,4vw,3.5rem);font-weight:600}p{color:var(--text-muted);max-width:600px;font-size:1.125rem;font-weight:300}.gradient-text{background:linear-gradient(135deg, var(--accent), var(--accent-secondary));-webkit-text-fill-color:transparent;-webkit-background-clip:text}.container{max-width:1200px;margin:0 auto;padding:0 2rem}.nav-header{z-index:100;justify-content:space-between;align-items:center;padding:2rem 0;display:flex;position:relative}.logo{letter-spacing:1px;text-transform:uppercase;color:#fff;align-items:center;gap:.75rem;font-size:1.5rem;font-weight:700;display:flex}.logo-icon{color:var(--accent);filter:drop-shadow(0 0 8px var(--accent-glow));font-size:1.8rem}.nav-links{gap:3rem;display:flex}.nav-links a{color:var(--text-muted);letter-spacing:1px;text-transform:uppercase;font-size:.85rem;text-decoration:none;transition:color .3s,text-shadow .3s}.nav-links a:hover{color:var(--text-main);text-shadow:0 0 10px #ffffff80}.hero{justify-content:space-between;align-items:center;min-height:85vh;padding:2rem 0;display:flex;position:relative}.hero-content{z-index:10;flex:1;max-width:500px}.hero-content p{margin-bottom:2.5rem}.badge{color:var(--accent);text-transform:uppercase;letter-spacing:1px;background:#8b5cf61a;border:1px solid #8b5cf633;border-radius:2rem;margin-bottom:1.5rem;padding:.5rem 1rem;font-size:.75rem;font-weight:600;display:inline-block;box-shadow:0 0 15px #8b5cf61a}.btn-group{flex-wrap:wrap;gap:1.5rem;display:flex}.btn{letter-spacing:1px;text-transform:uppercase;cursor:pointer;border-radius:4px;justify-content:center;align-items:center;padding:1rem 2.5rem;font-family:Inter,sans-serif;font-size:.9rem;font-weight:500;text-decoration:none;transition:all .3s;display:inline-flex}.btn-glow{background:var(--accent);color:#fff;box-shadow:0 0 20px var(--accent-glow);border:none}.btn-glow:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 0 30px #8b5cf699}.btn-outline{color:var(--text-main);border:1px solid var(--border-light);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:0 0}.btn-outline:hover{border-color:var(--text-main);background:#ffffff0d;transform:translateY(-2px)}.hero-visual{perspective:1500px;flex:1;justify-content:flex-end;align-items:center;display:flex}.chessboard-container{width:100%;max-width:600px;position:relative}.chessboard{aspect-ratio:1;width:100%;transform-style:preserve-3d;background:#141419cc;border:1px solid #ffffff26;border-radius:12px;grid-template-rows:repeat(8,1fr);grid-template-columns:repeat(8,1fr);padding:12px;animation:4s ease-in-out infinite boardPulse;display:grid;transform:rotateX(50deg)rotate(-30deg);box-shadow:-30px 30px 80px #000c,0 0 60px #8b5cf633}@keyframes boardPulse{0%,to{box-shadow:-30px 30px 80px #000c,0 0 60px #8b5cf633}50%{box-shadow:-30px 30px 80px #000c,0 0 90px #8b5cf680}}.square{border-radius:4px;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:relative}.square.light{background:#ffffff0d;border:1px solid #ffffff05}.square.dark{background:#0006;border:1px solid #0003}.square.highlighted{background:#ec489933;border-color:#ec489966}.square.highlighted:before{content:"";background:#ec4899cc;border-radius:50%;width:12px;height:12px;position:absolute;transform:rotateX(90deg);box-shadow:0 0 10px #ec4899cc}.piece{-webkit-user-select:none;user-select:none;font-family:Arial,sans-serif;font-size:clamp(2.5rem,5vw,4rem);animation:3s ease-in-out infinite floatPiece;transform:rotate(30deg)rotateX(-50deg)translateZ(10px)}@keyframes floatPiece{0%,to{transform:rotate(30deg)rotateX(-50deg)translateZ(10px)}50%{transform:rotate(30deg)rotateX(-50deg)translateZ(25px)}}.white-piece{color:#fff;text-shadow:0 0 10px #ffffff80}.black-piece{color:#1a1a1a;text-shadow:0 0 5px #000c;-webkit-text-stroke:1px #fff3}.fade-in{animation:1s ease-out forwards fadeIn}.fade-in-up{opacity:0;animation:1s ease-out forwards fadeInUp;transform:translateY(20px)}.delay-1{animation-delay:.2s}.delay-2{animation-delay:.4s}.delay-3{animation-delay:.6s}@keyframes fadeIn{to{opacity:1}}@keyframes fadeInUp{to{opacity:1;transform:translateY(0)}}.features{padding:8rem 0;position:relative}.features-header{text-align:center;margin-bottom:5rem}.features-header p{margin:0 auto}.grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;display:grid}.card{background:var(--glass-bg);border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:16px;padding:3rem 2rem;transition:all .4s;position:relative;overflow:hidden}.card:before{content:"";background:linear-gradient(90deg, transparent, var(--accent), transparent);opacity:0;height:2px;transition:opacity .4s;position:absolute;top:0;left:0;right:0}.card:hover{border-color:#ffffff26;transform:translateY(-5px);box-shadow:0 10px 30px #00000080}.card:hover:before{opacity:1}.card h3{color:#fff;margin-bottom:1rem;font-size:1.5rem}.card p{font-size:1rem;line-height:1.6}.chess-icon{color:var(--accent);text-shadow:0 0 15px var(--accent-glow);margin-bottom:1.5rem;font-size:2.5rem;display:inline-block}@media (max-width:992px){.hero{text-align:center;flex-direction:column;padding-top:4rem}.hero-content{margin-bottom:4rem}.hero-content p{margin:0 auto 2.5rem}.btn-group{justify-content:center}.hero-visual{justify-content:center;width:100%}}.pricing{padding:6rem 0;position:relative}.pricing-grid{flex-wrap:wrap;justify-content:center;gap:2rem;display:flex}.pricing-card{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:16px;flex:1;min-width:320px;max-width:400px;padding:3rem;transition:transform .4s,border-color .4s,box-shadow .4s;position:relative}.pricing-card:hover{border-color:#ffffff26;transform:translateY(-4px);box-shadow:0 10px 30px #0000004d}.pricing-card.featured{border-color:var(--accent);box-shadow:0 8px 32px #8b5cf626}.featured-badge{background:var(--accent);color:#fff;text-transform:uppercase;letter-spacing:1px;border-radius:20px;padding:.25rem 1rem;font-size:.75rem;position:absolute;top:-14px;left:50%;transform:translate(-50%)}.pricing-header{text-align:center;border-bottom:1px solid #ffffff1a;margin-bottom:2.5rem;padding-bottom:2rem}.pricing-header h3{color:#fff;margin-bottom:1rem;font-size:1.5rem}.price{color:#fff;justify-content:center;align-items:flex-start;margin-bottom:.5rem;font-family:Playfair Display,serif;font-size:3.5rem;font-weight:700;line-height:1;display:flex}.price span:first-child{margin-top:.5rem;font-size:1.5rem}.price span:last-child{color:var(--text-muted);align-self:flex-end;margin-bottom:.5rem;font-family:Inter,sans-serif;font-size:1rem;font-weight:400}.pricing-features{margin-bottom:3rem;list-style:none}.pricing-features li{color:var(--text-muted);align-items:center;gap:.75rem;padding:.75rem 0;font-size:.95rem;display:flex}.pricing-features li:before{content:"✓";color:var(--accent);font-weight:700}.pricing-btn{width:100%}.divider{background:#ffffff1a;width:1px;height:60px;margin:4rem auto}