:root{
  --bg:#f6f3ec; --bg2:#ece7da; --card:#ffffff; --fg:#1b2127; --muted:#59636d; --line:#ddd6c6;
  --accent:#3f7a4f; --accent-fg:#ffffff; --accent2:#c07a1a;
  --sq-l:#efe7d6; --sq-d:#86a07a; --sq-h:rgba(242,217,107,.75);
  --pw:#fffdf7; --pb:#20262b; --pstroke:#20262b; --shadow:0 18px 40px rgba(40,50,30,.18);
  --maxw:1080px;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#14181c; --bg2:#1a2026; --card:#1e252c; --fg:#eef1ee; --muted:#a2adb6; --line:#2b343c;
  --accent:#7fc08f; --accent-fg:#0d1a11; --accent2:#e5a652;
  --sq-l:#cdbf9f; --sq-d:#5e7a5a; --sq-h:rgba(242,217,107,.7);
  --pw:#fffdf7; --pb:#161a1e; --pstroke:#0b0e10; --shadow:0 18px 44px rgba(0,0,0,.55);
}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}
img,svg{max-width:100%;height:auto}
a{color:var(--accent);text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--accent2);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-999px;top:8px;background:var(--fg);color:var(--bg);padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.muted{color:var(--muted)} .small{font-size:.875rem} .center{text-align:center}

.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.hbar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;flex-wrap:wrap;padding-top:6px;padding-bottom:6px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.1rem;color:var(--fg);text-decoration:none}
.brand img{border-radius:8px}
.nav{display:flex;gap:4px 14px;flex-wrap:wrap}
.nav a{color:var(--muted);text-decoration:none;font-size:.93rem;padding:6px 4px;border-radius:6px}
.nav a:hover,.nav a[aria-current]{color:var(--fg)}

h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em}
h1{font-size:clamp(2.1rem,6vw,3.6rem);letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,4vw,2.3rem);letter-spacing:-.01em}
h4{font-size:1.05rem;margin-bottom:.35em}
p{margin:0 0 1em}
.lead{font-size:1.1rem;color:var(--muted);max-width:62ch}
.lead.big{font-size:1.2rem}
.eyebrow{display:flex;align-items:center;gap:8px;text-transform:uppercase;letter-spacing:.1em;font-size:.78rem;font-weight:700;color:var(--accent);margin:0 0 .8em}
.ic{width:1.15em;height:1.15em;flex:none}

.hero{padding:48px 0 28px;background:radial-gradient(1000px 420px at 80% -10%,color-mix(in srgb,var(--accent) 18%,transparent),transparent 70%)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center}
.grad{background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin:1.4em 0 .8em}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:12px;font-weight:600;text-decoration:none;background:var(--accent);color:var(--accent-fg);border:2px solid var(--accent)}
.btn-ghost{background:transparent;color:var(--fg);border-color:var(--line)}
.btn-disabled{background:var(--bg2);color:var(--muted);border:2px dashed var(--line);cursor:default}

.stage{perspective:900px;display:grid;place-items:center;padding:12px}
.board{display:block;width:100%;height:auto}
.board.tilt{max-width:460px;transform:rotateX(48deg) rotateZ(-24deg);border-radius:6px;box-shadow:var(--shadow);outline:6px solid #5a4a3a;transform-style:preserve-3d;margin:30px 0}
.board.small{max-width:240px;margin:0 auto 20px;border-radius:6px;box-shadow:var(--shadow);outline:5px solid #5a4a3a}
.sq-l{fill:var(--sq-l)} .sq-d{fill:var(--sq-d)} .sq-h{fill:var(--sq-h)}
.pc{font-size:9.4px;font-family:"Apple Symbols","Segoe UI Symbol","Noto Sans Symbols 2","DejaVu Sans",serif;stroke-width:.35px;paint-order:stroke}
.pw{fill:var(--pw);stroke:var(--pstroke)} .pb{fill:var(--pb);stroke:#000;stroke-width:.2px}
@media (prefers-reduced-motion:no-preference){.board.tilt{animation:bob 7s ease-in-out infinite}}
@keyframes bob{50%{transform:rotateX(48deg) rotateZ(-20deg) translateY(-6px)}}

.pills{list-style:none;margin:0;padding:14px 20px;display:flex;flex-wrap:wrap;gap:8px;justify-content:center;max-width:var(--maxw);margin:0 auto}
.pills li{padding:6px 14px;border:1px solid var(--line);border-radius:999px;font-size:.88rem;background:var(--card);color:var(--muted)}

.sect{padding:64px 0;border-top:1px solid var(--line)}
.sect.soon{background:var(--bg2)}
.grid{list-style:none;margin:28px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}
.feat{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 20px}
.feat p{margin:0;color:var(--muted);font-size:.97rem}
.tag{display:inline-block;margin-left:6px;padding:2px 8px;border-radius:999px;background:color-mix(in srgb,var(--accent2) 20%,transparent);color:var(--accent2);font-size:.7rem;font-weight:700;vertical-align:middle;white-space:normal}
.soon .tag{background:var(--bg);color:var(--muted);border:1px solid var(--line)}

.levels,.postures{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin:34px 0 10px}
.mini{margin:0;text-align:center;font-size:.85rem;color:var(--muted);width:110px}
.ph{width:100%;aspect-ratio:9/16;background:#20262b;border-radius:16px;padding:6px;box-shadow:var(--shadow)}
.ph-in{display:flex;flex-direction:column;justify-content:center;gap:5px;width:100%;height:100%;background:var(--bg);border-radius:11px;padding:6px}
.bd{display:block;aspect-ratio:1;background:linear-gradient(45deg,var(--sq-d) 25%,var(--sq-l) 25% 50%,var(--sq-d) 50% 75%,var(--sq-l) 75%);background-size:25% 25%;border-radius:3px}
.ph-in .bar,.ph-in .strip{display:block;height:14px;border-radius:4px;background:var(--line)}
.ph-in .bar.b{height:30px}
.ph-in .strip{height:8px}
.faded .bar,.faded .strip{opacity:.35}
figcaption{margin-top:8px}
.posture{margin:0;width:170px;text-align:center}
.posture svg{width:100%}
.posture figcaption span{display:block;font-size:.82rem;color:var(--muted)}
.p-a{fill:#2a323a;stroke:var(--muted);stroke-width:1.5} .p-s{fill:var(--sq-d)} .p-b{fill:var(--sq-l)} .p-h{stroke:var(--accent2);stroke-width:2}
.p-t{fill:var(--muted);font-size:8px}
.tablemode{max-width:360px;margin:34px auto 0;border:2px solid var(--line);border-radius:22px;background:var(--card);padding:12px;display:grid;gap:8px}
.tm-end{display:flex;align-items:center;justify-content:center;gap:12px;font-size:.85rem;color:var(--muted)}
.tm-end.far{transform:rotate(180deg)}
.mini-board{width:70px;height:70px;border-radius:4px;background:linear-gradient(45deg,var(--sq-d) 25%,var(--sq-l) 25% 50%,var(--sq-d) 50% 75%,var(--sq-l) 75%);background-size:25% 25%}
.tm-mid{text-align:center;border-top:2px dashed var(--line);border-bottom:2px dashed var(--line);padding:4px;font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.1em}

.cta-band{text-align:center;background:radial-gradient(700px 300px at 50% 0,color-mix(in srgb,var(--accent) 16%,transparent),transparent 70%)}
.big-icon{border-radius:22px;box-shadow:var(--shadow);margin-bottom:12px}

.prose{padding-top:48px;padding-bottom:64px;max-width:760px}
.prose h2{margin-top:1.8em;font-size:1.4rem}
.prose li{margin-bottom:.45em}
.callout{border-left:4px solid var(--accent);background:var(--card);padding:14px 18px;border-radius:0 12px 12px 0;margin:1.2em 0}
details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:0 16px;margin:0 0 10px}
summary{cursor:pointer;padding:14px 0;font-weight:600}
details p{color:var(--muted)}
.nf{padding-top:64px;padding-bottom:80px}

.site-footer{border-top:1px solid var(--line);padding:36px 0 calc(36px + env(safe-area-inset-bottom));background:var(--bg2)}
.foot{display:grid;gap:18px}
.brand-line{display:flex;align-items:center;gap:8px;margin:0 0 4px}
.brand-line img{border-radius:6px}
.foot-nav{display:flex;gap:18px;flex-wrap:wrap}
.legal{max-width:70ch;margin:0}

@media (max-width:760px){
  .hero{padding-top:28px}
  .hero-grid{grid-template-columns:1fr}
  .board.tilt{max-width:340px}
  .sect{padding:48px 0}
  .nav{gap:2px 10px}
}
@media (prefers-contrast:more){:root{--muted:#333;--line:#777}}
@media (prefers-contrast:more) and (prefers-color-scheme:dark){:root{--muted:#ddd}}
@media print{.site-header,.cta,.board.tilt{display:none}}