:root{
  --bg:#ffffff;--band:#f5f5f7;--fg:#1d1d1f;--muted:#6e6e73;--line:#e6e6ea;
  --accent:#0a66ff;--accent-2:#0052d6;--ok:#1fa463;--max:1080px;--narrow:820px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:17px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,Helvetica,Arial,sans-serif;color:var(--fg);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
code{font:.9em ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:var(--band);border-radius:6px;padding:1px 6px}
pre{background:#1d1d1f;color:#f5f5f7;border-radius:12px;padding:14px 16px;overflow:auto;margin:14px 0;font-size:.9rem;text-align:left}
pre code{background:none;padding:0;color:inherit}
h1,h2,h3{margin:0;letter-spacing:-.025em;line-height:1.08;font-weight:700}
h1{font-size:clamp(2.8rem,7vw,5rem)}
h2{font-size:clamp(2rem,4.6vw,3.2rem)}
h3{font-size:1.25rem;letter-spacing:-.01em}
p{margin:0}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.wrap.narrow{max-width:var(--narrow)}
.center{text-align:center}
section,#features,#stack{scroll-margin-top:56px}
.sub{font-size:clamp(1.15rem,2vw,1.5rem);color:var(--muted);max-width:40ch;margin:18px auto 0;line-height:1.35;font-weight:400}
.note{color:var(--muted);font-size:.9rem;margin-top:16px}
.muted{color:var(--muted);font-size:.95rem}
.skip{position:absolute;left:-999px;top:0}
.skip:focus{left:12px;top:12px;background:#fff;padding:8px;border:1px solid var(--line);z-index:10}

/* nav */
.top{position:sticky;top:0;background:rgba(255,255,255,.8);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(0,0,0,.06);z-index:5}
.top-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:52px}
.brand{display:flex;align-items:center;gap:9px;font-weight:600;color:var(--fg);font-size:1rem}
.brand:hover{text-decoration:none}
.logo{border-radius:8px;flex:0 0 auto}
.menu{display:flex;gap:26px;font-size:.85rem}
.menu a{color:var(--fg);opacity:.85}
.menu a:hover{opacity:1;text-decoration:none}
.top-right{display:flex;align-items:center;gap:12px}
.langs{display:flex;gap:2px}
.langs a{font-size:.72rem;font-weight:600;letter-spacing:.04em;color:var(--muted);padding:4px 7px;border-radius:999px}
.langs a:hover{text-decoration:none;color:var(--fg)}
.langs a[aria-current]{background:var(--fg);color:#fff}
@media (max-width:860px){.menu{display:none}}

.btn{display:inline-block;background:var(--accent);color:#fff;padding:10px 22px;border-radius:999px;font-weight:500;font-size:1rem}
.btn:hover{text-decoration:none;background:var(--accent-2)}
.btn.small{padding:5px 14px;font-size:.8rem}
.btn.big{padding:14px 30px;font-size:1.1rem}
.link.big{font-size:1.1rem;padding:14px 6px;display:inline-block}
.cta{display:flex;gap:22px;justify-content:center;align-items:center;flex-wrap:wrap;margin-top:28px}

.lang-hint{background:var(--band);text-align:center;padding:8px 20px;font-size:.9rem}

/* hero */
.hero{padding:96px 0 40px}
.hero h1{max-width:14ch;margin:0 auto}
.hero-art{display:block;width:100%;height:auto;margin:56px auto 0;max-width:960px}
@media (max-width:640px){.hero{padding-top:64px}.hero-art{margin-top:36px}}

/* trust */
.trust-strip{padding:36px 24px 0}
.trust{list-style:none;margin:0;padding:0;display:flex;justify-content:center;gap:14px 40px;flex-wrap:wrap}
.trust li{display:flex;align-items:center;gap:10px;font-weight:500;color:var(--fg);font-size:1rem}
.ic{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--band);color:var(--fg)}
.ic svg{width:18px;height:18px}

/* bands and screens */
.band{background:var(--band);padding:110px 0;margin-top:110px}
.screen{padding:110px 0 0}
.screen .art{display:block;width:100%;height:auto;margin:48px auto 0;border-radius:32px}
#features .screen:first-child{padding-top:110px}
.screen.alt{background:#fff}

/* stack */
.stack{display:grid;grid-template-columns:repeat(2,1fr);gap:40px 48px;margin-top:56px}
@media (max-width:760px){.stack{grid-template-columns:1fr}}
.stack-group h3{font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:600;margin-bottom:14px}
.tools{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
@media (max-width:1000px){.tools{grid-template-columns:repeat(3,1fr)}}
@media (max-width:420px){.tools{grid-template-columns:repeat(3,1fr)}}
.tools li{display:flex;flex-direction:column;align-items:center;gap:8px;background:#fff;border-radius:16px;padding:14px 6px 12px;font-size:.72rem;color:var(--muted);text-align:center;line-height:1.2}
.tool-logo{width:40px;height:40px;object-fit:contain;border-radius:10px}
.tool-mono{width:40px;height:40px;border-radius:10px;color:#fff;font-size:.9rem;font-weight:700;display:grid;place-items:center}
.missing{margin-top:40px;color:var(--muted)}

/* surfaces */
.surfaces{padding:110px 24px 0}
.chips{list-style:none;margin:32px 0 0;padding:0;display:flex;justify-content:center;flex-wrap:wrap;gap:12px}
.chips li{background:var(--band);border-radius:999px;padding:12px 22px;font-weight:500;font-size:1.05rem}
.chips li::before{content:"✓";color:var(--ok);font-weight:700;margin-right:8px}

/* install */
.steps3{list-style:none;margin:56px auto 0;padding:0 24px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:760px){.steps3{grid-template-columns:1fr}}
.steps3 li{position:relative;background:#fff;border-radius:24px;padding:28px 24px 26px;text-align:center}
.step-art{width:120px;height:120px;display:block;margin:0 auto 10px}
.num{position:absolute;top:18px;left:18px;width:28px;height:28px;border-radius:50%;background:var(--fg);color:#fff;font-size:.85rem;font-weight:600;display:grid;place-items:center}
.steps3 h3{margin-bottom:6px}
.steps3 p{color:var(--muted);font-size:.98rem}
.guide{margin-top:24px;text-align:left;background:#fff;border-radius:18px;padding:6px 22px}
.guide>summary{cursor:pointer;font-weight:600;padding:12px 0;list-style:none;display:flex;justify-content:space-between}
.guide>summary::-webkit-details-marker{display:none}
.guide>summary::after{content:"+";color:var(--accent);font-size:1.3rem;line-height:1}
.guide[open]>summary::after{content:"–"}
.guide ol{padding-left:22px;color:var(--fg)}
.guide li{margin:8px 0}
.tech{margin:14px 0 12px;border-top:1px solid var(--line);padding-top:10px;color:var(--muted);font-size:.95rem}
.tech summary{cursor:pointer;font-weight:600;color:var(--fg)}
.tech p{margin-top:10px}

/* faq */
#faq{padding-top:110px}
.faq{margin-top:36px}
.faq details{border-bottom:1px solid var(--line);padding:6px 0}
.faq summary{cursor:pointer;font-weight:600;padding:14px 0;list-style:none;display:flex;justify-content:space-between;gap:16px;font-size:1.05rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-size:1.4rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq p{color:var(--muted);margin:0 0 16px}

/* final */
.final{padding:130px 24px 110px}
.final-logo{display:block;margin:0 auto 22px;border-radius:14px}

/* footer */
.foot{background:var(--band);padding:32px 0 44px;font-size:.78rem;color:var(--muted)}
.disclaimer{max-width:90ch;margin-bottom:14px}
.links{display:flex;gap:18px;flex-wrap:wrap}
.links a{color:var(--muted)}

/* Clear expectations, automation controls and the standalone installation guide. */
.pilot-note{max-width:76ch;margin:24px auto 0;font-size:.88rem;color:var(--muted);line-height:1.55}
.feature-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:40px}
.feature-cards article{background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px}
.feature-cards h3{margin:12px 0}
.feature-cards p{color:var(--muted);font-size:1rem;line-height:1.6}
.eyebrow{display:block;color:var(--accent);font-size:.8rem;font-weight:650;letter-spacing:.05em;margin:24px 0 16px}
.guide-page{padding-top:48px;padding-bottom:72px}
.guide-page h1{font-size:clamp(2.3rem,5vw,3.5rem);max-width:20ch}
.guide-page h2{font-size:clamp(1.5rem,3vw,2rem);margin-top:44px}
.guide-intro{font-size:1.15rem;color:var(--muted);margin-top:24px;line-height:1.6}
.guide-page .cta{justify-content:flex-start}
.callout{background:var(--band);border:1px solid var(--line);border-radius:18px;padding:24px;margin:32px 0}
.callout h2{font-size:1.2rem;margin:0 0 12px}
.callout p+p{margin-top:14px}
.install-checklist{list-style:none;padding:0;margin:28px 0;counter-reset:steps}
.install-checklist li{display:flex;align-items:flex-start;gap:18px;padding:22px 0;border-bottom:1px solid var(--line)}
.step-number{flex:none;display:grid;place-items:center;width:32px;height:32px;background:var(--accent);color:#fff;border-radius:50%;font-weight:650}
a,code{overflow-wrap:anywhere}
:focus-visible{outline:3px solid var(--accent);outline-offset:4px}
@media(max-width:760px){.feature-cards{grid-template-columns:1fr}.band{padding:64px 0;margin-top:64px}.screen,#features .screen:first-child{padding-top:64px}}
@media(max-width:480px){.top-inner{flex-wrap:wrap;justify-content:center;padding-top:10px;padding-bottom:10px;gap:8px}.top-right{justify-content:center}.brand{width:100%;justify-content:center}.guide-page{padding-top:32px}.callout{padding:18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.faq summary::after,.guide>summary::after{flex-shrink:0}

.step-body{min-width:0;flex:1}
.installation-figure{margin:22px 0 0}
.installation-figure svg{display:block;width:100%;height:auto;border-radius:18px}
.installation-figure figcaption{margin-top:10px;font-size:.88rem;line-height:1.5;color:var(--fg)}
.installation-figure small{display:block;margin-top:4px;color:var(--muted);font-size:.8rem}
@media(max-width:480px){.install-checklist li{flex-wrap:wrap;gap:10px}.step-body{flex-basis:100%}}