:root{--color-bg:#0a0a0f;--color-surface:#16161f;--color-surface-elevated:#1e1e2a;--color-primary:#4ade80;--color-primary-secondary:#22c55e;--color-on-primary:#0a0a0f;--color-board:#1a5f2a;--color-board-border:#0d3d16;--color-piece-black:#1a1a1a;--color-piece-white:#f5f5f5;--color-text:#f5f5f5;--color-text-secondary:rgba(255,255,255,0.72);--color-text-muted:rgba(255,255,255,0.56);--color-border:rgba(255,255,255,0.08);--color-border-strong:rgba(255,255,255,0.16);--font-display:"SF Pro Rounded","SF Pro Display",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-body:"SF Pro Text",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--type-h1:clamp(2.6rem,5vw,4.4rem);--type-h2:clamp(1.9rem,3vw,2.8rem);--type-h3:1.375rem;--space-1:4px;--space-2:8px;--space-3:16px;--space-4:24px;--space-5:32px;--space-6:48px;--space-7:64px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--shadow-md:0 4px 8px rgba(0,0,0,0.25);--shadow-lg:0 8px 32px rgba(0,0,0,0.3);--shadow-hero:0 24px 64px rgba(0,0,0,0.34);--maxw:1120px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--color-bg);color:var(--color-text);font-family:var(--font-body);font-size:1.0625rem;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;background-image:radial-gradient(900px 480px at 80% -8%,rgba(74,222,128,.1),transparent 60%);background-repeat:no-repeat}h1,h2,h3{font-family:var(--font-display);line-height:1.1;letter-spacing:-.02em;margin:0 0 var(--space-3)}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}img,svg{max-width:100%;height:auto}:focus-visible{outline:2px solid var(--color-primary);outline-offset:3px;border-radius:4px}.skip-link{position:absolute;left:-9999px;top:0;background:var(--color-primary);color:var(--color-on-primary);padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);z-index:100}.skip-link:focus{left:var(--space-3);top:var(--space-3)}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--space-4)}.nav{position:-webkit-sticky;position:sticky;top:0;z-index:50;-webkit-backdrop-filter:saturate(160%) blur(12px);backdrop-filter:saturate(160%) blur(12px);background:rgba(10,10,15,.72);border-bottom:1px solid var(--color-border)}.nav-inner{display:flex;justify-content:space-between;gap:var(--space-4);height:64px}.brand,.nav-inner{align-items:center}.brand{display:inline-flex;gap:10px;font-family:var(--font-display);font-weight:700;font-size:1.125rem;color:var(--color-text);letter-spacing:-.01em}.brand:hover{text-decoration:none}.brand-mark{width:22px;height:22px;border-radius:6px;background:linear-gradient(135deg,var(--color-primary),var(--color-primary-secondary));display:inline-block;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)}.brand-mark span{display:none}.nav-links{display:flex;align-items:center;gap:var(--space-4);list-style:none;margin:0;padding:0}.nav-links a{color:var(--color-text-secondary);font-size:.95rem}.nav-links a:hover{color:var(--color-text);text-decoration:none}@media (max-width:640px){.nav-links{gap:var(--space-3);font-size:.85rem}.nav-links .hide-sm{display:none}}.btn{display:inline-flex;align-items:center;gap:var(--space-2);padding:12px 20px;border-radius:var(--radius-md);font-weight:600;font-family:var(--font-display);border:1px solid transparent;cursor:pointer;transition:transform .12s ease,background .15s ease,border-color .15s ease}.btn:hover{text-decoration:none;transform:translateY(-1px)}.btn-primary{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-secondary));color:var(--color-on-primary)}.btn-ghost{background:transparent;color:var(--color-text);border-color:var(--color-border-strong)}.btn-ghost:hover{background:var(--color-surface-elevated)}section{padding:var(--space-7) 0}.eyebrow{display:inline-flex;align-items:center;gap:var(--space-2);font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;color:var(--color-primary);font-weight:600;margin-bottom:var(--space-3)}.eyebrow-dot{width:7px;height:7px;border-radius:50%;background:var(--color-primary);box-shadow:0 0 12px var(--color-primary)}.section-head{max-width:640px;margin-bottom:var(--space-6)}.section-head p{margin:0}.lead,.section-head p{color:var(--color-text-secondary)}.lead{font-size:1.15rem}.hero{display:grid;grid-template-columns:1.1fr .9fr;grid-gap:var(--space-6);gap:var(--space-6);align-items:center;padding-top:var(--space-7)}.hero h1{font-size:var(--type-h1);margin-bottom:var(--space-4)}.hero .lead{margin-bottom:var(--space-5);max-width:34ch}.hero-actions{display:flex;flex-wrap:wrap;gap:var(--space-3);align-items:center}.hero-visual{margin:0;padding:var(--space-4);background:radial-gradient(120% 120% at 30% 10%,rgba(74,222,128,.14),transparent 55%);border-radius:var(--radius-xl)}.hero-visual img{width:100%;border-radius:var(--radius-lg);box-shadow:var(--shadow-hero)}@media (max-width:860px){.hero{grid-template-columns:1fr;gap:var(--space-5)}.hero-visual{order:-1;max-width:420px}}.grid{display:grid;grid-gap:var(--space-4);gap:var(--space-4)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}@media (max-width:860px){.grid-2,.grid-3{grid-template-columns:1fr}}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-5);box-shadow:var(--shadow-md)}.card h3{margin-bottom:var(--space-2)}.card p{color:var(--color-text-secondary);margin:0 0 var(--space-2)}.app-card{display:flex;flex-direction:column;gap:var(--space-3);transition:border-color .15s ease,transform .15s ease}a.app-card:hover{text-decoration:none;border-color:var(--color-border-strong);transform:translateY(-2px)}.app-card-top{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3)}.app-card h3{color:var(--color-text);margin:0}.badge{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;padding:4px 10px;border-radius:999px;background:rgba(74,222,128,.12);border:1px solid rgba(74,222,128,.25);white-space:nowrap}.app-card .go,.badge{color:var(--color-primary)}.app-card .go{font-weight:600;font-size:.95rem;margin-top:auto}.app-card.placeholder{border-style:dashed;align-items:center;justify-content:center;text-align:center;color:var(--color-text-muted);min-height:180px}.feature-icon{width:44px;height:44px;border-radius:var(--radius-md);display:grid;place-items:center;background:var(--color-surface-elevated);color:var(--color-primary);margin-bottom:var(--space-3)}.piece-svg-black{fill:var(--color-piece-black);stroke:rgba(255,255,255,.25)}.piece-svg-white{fill:var(--color-piece-white)}.piece-svg-accent{stroke:var(--color-primary);fill:none}.tier-label{display:inline-block;font-family:var(--font-display);font-weight:700;color:var(--color-primary);margin-bottom:var(--space-2)}.pricing-list{list-style:none;margin:var(--space-3) 0 0;padding:0}.pricing-list li{padding:8px 0 8px 26px;position:relative;color:var(--color-text-secondary);border-top:1px solid var(--color-border)}.pricing-list li:before{content:"";position:absolute;left:4px;top:15px;width:8px;height:8px;border-radius:50%;background:var(--color-primary)}.appstore{display:inline-flex;flex-direction:column;gap:6px}.appstore img{width:180px;opacity:.55}.appstore .soon{font-size:.8rem;color:var(--color-text-muted)}.cta{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-6);text-align:center}.cta h2{margin-bottom:var(--space-3)}.prose{max-width:760px}.prose h1{font-size:clamp(2rem,4vw,2.8rem)}.prose h2{font-size:1.5rem;margin-top:var(--space-6);padding-top:var(--space-3);border-top:1px solid var(--color-border)}.prose h3{font-size:1.15rem;margin-top:var(--space-4)}.prose li,.prose p{color:var(--color-text-secondary)}.prose dl,.prose ul{padding-left:1.2rem}.prose dl{padding-left:0}.prose dt{font-weight:600;color:var(--color-text);margin-top:var(--space-4)}.prose dd{margin:var(--space-1) 0 0;color:var(--color-text-secondary)}.prose .effective{color:var(--color-text-muted);font-size:.95rem;margin-top:-8px}.prose table{width:100%;border-collapse:collapse;margin:var(--space-4) 0;font-size:.95rem}.prose td,.prose th{text-align:left;padding:10px 12px;border:1px solid var(--color-border);color:var(--color-text-secondary)}.prose th{background:var(--color-surface);color:var(--color-text)}.table-wrap{overflow-x:auto}.footer{border-top:1px solid var(--color-border);padding:var(--space-6) 0;margin-top:var(--space-6)}.footer-inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:var(--space-5)}.footer-brand{font-family:var(--font-display);font-weight:700;margin:0 0 var(--space-2)}.footer p{color:var(--color-text-muted);font-size:.9rem;margin:0 0 6px;max-width:42ch}.footer-links{list-style:none;margin:0;padding:0;display:grid;grid-gap:10px;gap:10px}.footer-links a{color:var(--color-text-secondary);font-size:.92rem}.footer-cols{display:flex;gap:var(--space-7);flex-wrap:wrap}.footer-legal{margin-top:var(--space-4);color:var(--color-text-muted);font-size:.82rem}.back-link{display:inline-block;margin-top:var(--space-5);color:var(--color-text-secondary)}