@font-face{font-family:"Bricolage Grotesque";font-style:normal;font-weight:600 800;font-display:swap;src:url(/fonts/bricolage-grotesque.woff2) format("woff2")}
@font-face{font-family:Inter;font-style:normal;font-weight:400 700;font-display:swap;src:url(/fonts/inter.woff2) format("woff2")}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:500 700;font-display:swap;src:url(/fonts/jetbrains-mono.woff2) format("woff2")}

/* Layout: dark pro-editor look from the app. Hero = live focus-stack demo panel; sections alternate text + device; one amber band (privacy). */
:root{
  color-scheme:dark;
  --accent-h:75;
  --accent:oklch(.77 .145 var(--accent-h)); --on-accent:#17130a;
  --amber:oklch(.77 .145 var(--accent-h)); --on-amber:#17130a;
  --bg:#131415; --panel:#1d1e20; --raised:#2c2d30; --field:#18191a;
  --line:#0a0a0b; --line-soft:#34353a;
  --tx:#e4e5e7; --tx2:#a3a5aa;
  --ok:#62b886;
  --device:#0b0b0c;
  --shadow:0 30px 80px rgba(0,0,0,.55);
  --f-display:"Bricolage Grotesque","SF Pro Display",system-ui,sans-serif;
  --f-body:Inter,-apple-system,"SF Pro Text",system-ui,sans-serif;
  --f-mono:"JetBrains Mono","SF Mono",ui-monospace,Menlo,monospace;
  --r-ctl:8px; --r-card:14px;
}
@media (prefers-color-scheme:light){:root:not([data-theme="dark"]){
  color-scheme:light;
  --accent:oklch(.5 .125 var(--accent-h)); --on-accent:#fff;
  --bg:#ebebed; --panel:#f8f8f9; --raised:#e0e1e4; --field:#fff;
  --line:#b4b5ba; --line-soft:#d2d3d7;
  --tx:#1b1c1e; --tx2:#55575c; --ok:#27774a; --device:#1b1c1e;
  --shadow:0 30px 70px rgba(0,0,0,.18);
}}
:root[data-theme="light"]{
  color-scheme:light;
  --accent:oklch(.5 .125 var(--accent-h)); --on-accent:#fff;
  --bg:#ebebed; --panel:#f8f8f9; --raised:#e0e1e4; --field:#fff;
  --line:#b4b5ba; --line-soft:#d2d3d7;
  --tx:#1b1c1e; --tx2:#55575c; --ok:#27774a; --device:#1b1c1e;
  --shadow:0 30px 70px rgba(0,0,0,.18);
}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:calc(72px + env(safe-area-inset-top,0px))}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{background:var(--bg);color:var(--tx);font:16px/1.55 var(--f-body);-webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--bg)}
a{color:inherit}
h1,h2,h3,p{margin:0}
h1,h2{font-family:var(--f-display);font-weight:800;letter-spacing:-.025em;line-height:1;text-wrap:balance}
h3{font-size:17px;font-weight:650;letter-spacing:-.01em}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.cap{font:700 11.5px/1.2 var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--tx2)}
.acc{color:var(--accent)}
.lead{font-size:18px;color:var(--tx2);max-width:58ch}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:0 22px;border-radius:var(--r-ctl);font:600 16px var(--f-body);text-decoration:none;border:1px solid transparent;cursor:pointer;white-space:nowrap}
.btn svg{width:20px;height:20px;flex:none}
.btn.pri{background:var(--accent);color:var(--on-accent)}
.btn.pri:hover{filter:brightness(1.07)}
.btn.sec{background:var(--raised);color:var(--tx);border-color:var(--line-soft)}
.btn.sm{min-height:38px;padding:0 14px;font-size:14px}

/* header */
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line-soft)}
header .wrap{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:800 20px var(--f-display);letter-spacing:-.02em}
.brand img{width:34px;height:34px;border-radius:8px}
nav{display:flex;gap:4px;margin-left:auto}
nav a{padding:8px 12px;border-radius:6px;text-decoration:none;font-size:14.5px;font-weight:550;color:var(--tx2)}
nav a:hover{color:var(--tx);background:var(--raised)}
.ibtn{width:38px;height:38px;display:grid;place-items:center;border-radius:var(--r-ctl);border:1px solid var(--line-soft);background:none;color:var(--tx2);cursor:pointer}
.ibtn svg{width:19px;height:19px}
@media (max-width:760px){nav{display:none}.hdr-cta{margin-left:auto}}

.ic{fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* hero */
.hero{padding-block:64px 88px}
.hero .wrap{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:56px;align-items:center}
.hero h1{font-size:clamp(48px,7.2vw,92px);margin-block:18px 22px}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero .fine{margin-top:16px;font-size:14px;color:var(--tx2)}
@media (max-width:920px){.hero .wrap{grid-template-columns:minmax(0,1fr);gap:40px}.hero{padding-block:40px 64px}}

/* demo panel: styled like the app's Stack screen */
.demo{background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--r-card);box-shadow:var(--shadow);overflow:hidden}
.demo-top{display:flex;align-items:center;justify-content:space-between;gap:12px;height:48px;padding:0 16px;border-bottom:1px solid var(--line-soft)}
.demo-top b{font-weight:600;font-size:15px}
.stage{position:relative;aspect-ratio:3/2;max-width:100%;background:#000;overflow:hidden;cursor:crosshair;touch-action:pan-y}
.stage img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:opacity .45s}
.stage .res{opacity:0}
.stage.done .res{opacity:1}
.mark{position:absolute;width:15%;aspect-ratio:1;border:1.5px solid var(--amber);border-radius:3px;transform:translate(-50%,-50%);pointer-events:none;box-shadow:0 0 0 1px rgba(0,0,0,.4)}
.loupe{position:absolute;right:12px;top:12px;width:34%;aspect-ratio:1;border-radius:10px;border:1.5px solid var(--amber);background-color:#000;background-repeat:no-repeat;box-shadow:0 10px 30px rgba(0,0,0,.6);pointer-events:none}
.loupe span{position:absolute;left:8px;bottom:6px;font:700 10px var(--f-mono);letter-spacing:.1em;color:#f3f3f4;text-shadow:0 1px 2px #000}
.stack-bar{position:absolute;left:0;bottom:0;height:3px;background:var(--amber);width:0}
.ruler-box{padding:14px 16px 6px;border-top:1px solid var(--line-soft)}
.ruler-labels{display:flex;justify-content:space-between;font:700 11px var(--f-mono);letter-spacing:.08em;color:var(--tx2)}
.ruler-labels .acc{color:var(--accent)}
.ruler{position:relative;height:40px;margin-top:6px;
  background:
    repeating-linear-gradient(90deg,var(--tx2) 0 1px,transparent 1px 5%) 0 100%/100% 18px no-repeat,
    repeating-linear-gradient(90deg,var(--line-soft) 0 1px,transparent 1px 1%) 0 100%/100% 9px no-repeat}
.ruler::after{content:"";position:absolute;right:0;bottom:0;width:1px;height:18px;background:var(--tx2)}
.ruler input{position:absolute;inset:0;width:100%;height:100%;margin:0;background:none;-webkit-appearance:none;appearance:none;cursor:ew-resize}
.ruler input::-webkit-slider-runnable-track{height:40px;background:none}
.ruler input::-moz-range-track{height:40px;background:none}
.ruler input::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:40px;background:linear-gradient(var(--accent),var(--accent)) center/3px 100% no-repeat;border:0}
.ruler input::-moz-range-thumb{width:14px;height:40px;background:linear-gradient(var(--accent),var(--accent)) center/3px 100% no-repeat;border:0;border-radius:0}
.ruler input:focus-visible{outline-offset:2px}
.demo-ctl{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding:10px 16px 16px}
.seg{display:flex;background:var(--field);border:1px solid var(--line-soft);border-radius:var(--r-ctl);padding:3px;gap:2px;flex-wrap:wrap}
.seg button{border:0;background:none;color:var(--tx2);font:600 13px var(--f-body);padding:7px 11px;border-radius:5px;cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--accent);color:var(--on-accent)}
.demo-hint{padding:0 16px 14px;font-size:13px;color:var(--tx2)}

/* sections */
section{padding-block:96px}
.sec-head{display:grid;gap:16px;margin-bottom:48px;max-width:760px}
.sec-head h2{font-size:clamp(38px,5vw,60px)}
@media (max-width:600px){section{padding-block:64px}}

/* features */
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);border-radius:var(--r-card);overflow:hidden}
.feat{background:var(--panel);padding:28px 26px 30px;display:grid;gap:10px;align-content:start}
.feat .cap{color:var(--accent)}
.feat p{color:var(--tx2);font-size:15px}
@media (max-width:900px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.grid{grid-template-columns:minmax(0,1fr)}}

/* gallery */
.gallery{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:14px;scrollbar-width:thin}
.gallery figure{margin:0;flex:none;width:min(250px,64vw);scroll-snap-align:start}
.gallery img{display:block;width:100%;border-radius:18px;border:1px solid var(--line-soft)}

/* device rows */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.35fr);gap:56px;align-items:center}
.split.rev{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr)}
.split.rev .txt{order:2}
.split + .split{margin-top:96px}
.txt{display:grid;gap:16px}
.txt h2{font-size:clamp(34px,4.4vw,52px)}
.ticks{list-style:none;margin:6px 0 0;padding:0;display:grid;gap:10px;color:var(--tx2)}
.ticks li{display:grid;grid-template-columns:18px minmax(0,1fr);gap:10px}
.ticks li::before{content:"";width:10px;height:2px;background:var(--accent);margin-top:12px}
.device{background:var(--device);border-radius:30px;padding:12px;box-shadow:var(--shadow);max-width:100%}
.device img{display:block;width:100%;border-radius:19px}
.duo-pair{display:flex;justify-content:center;gap:22px;align-items:flex-end}
.duo-pair .device{width:min(320px,100%);border-radius:34px}
.duo-pair .device img{border-radius:24px}
@media (max-width:900px){.split,.split.rev{grid-template-columns:minmax(0,1fr);gap:36px}.split.rev .txt{order:0}}

/* how */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;counter-reset:s}
.step{display:grid;gap:14px;align-content:start}
.step img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:10px;border:1px solid var(--line-soft);display:block}
.step .cap{counter-increment:s}
.step .cap::before{content:counter(s) " / 3 · ";color:var(--accent)}
.step p{color:var(--tx2);font-size:15px}
@media (max-width:800px){.steps{grid-template-columns:minmax(0,1fr)}}

/* privacy band */
.band{background:var(--amber);color:var(--on-amber)}
.band .wrap{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:48px;align-items:end}
.band h2{font-size:clamp(44px,6.5vw,84px)}
.band h2 span{display:inline-block;background:var(--on-amber);color:var(--amber);padding:0 .12em;margin-top:.06em}
.band p{font-size:18px;max-width:46ch}
.band .cap{color:var(--on-amber);opacity:.75;margin-bottom:18px}
@media (max-width:800px){.band .wrap{grid-template-columns:minmax(0,1fr);gap:24px}}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.plan{background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--r-card);padding:28px;display:grid;gap:18px;align-content:start}
.plan.hl{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.price{font:800 44px/1 var(--f-display);letter-spacing:-.02em}
.price small{font:500 15px var(--f-body);color:var(--tx2);letter-spacing:0}
.plan .alt{font-size:14px;color:var(--tx2);margin-top:-8px}
.plan ul{list-style:none;margin:0;padding:0;display:grid;gap:9px;font-size:15px}
.plan li{display:grid;grid-template-columns:18px minmax(0,1fr);gap:8px;color:var(--tx2)}
.plan li::before{content:"";width:9px;height:5px;border-left:2px solid var(--ok);border-bottom:2px solid var(--ok);transform:rotate(-45deg);margin-top:7px}
.pill{justify-self:start;font:700 10.5px var(--f-mono);letter-spacing:.1em;text-transform:uppercase;padding:5px 8px;border-radius:4px;background:var(--accent);color:var(--on-accent)}
.note{margin-top:22px;font-size:13.5px;color:var(--tx2);max-width:80ch}
@media (max-width:900px){.plans{grid-template-columns:minmax(0,1fr)}}

/* faq */
.faq{display:grid;gap:0;border-top:1px solid var(--line-soft);max-width:860px}
.faq details{border-bottom:1px solid var(--line-soft)}
.faq summary{cursor:pointer;list-style:none;padding:20px 40px 20px 0;font-weight:600;font-size:17px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:8px;top:26px;width:9px;height:9px;border-right:2px solid var(--tx2);border-bottom:2px solid var(--tx2);transform:rotate(45deg);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(-135deg);top:30px}
.faq details p,.faq details ul{color:var(--tx2);padding-bottom:20px;max-width:70ch;margin:0}
.faq details ul{padding-left:20px;display:grid;gap:6px}

/* final cta */
.final{text-align:center;padding-block:110px}
.final img{width:96px;height:96px;border-radius:22px;margin:0 auto 26px;display:block;box-shadow:var(--shadow)}
.final h2{font-size:clamp(42px,6vw,76px)}
.final p{margin:18px auto 30px;color:var(--tx2);font-size:18px}

footer{border-top:1px solid var(--line-soft);padding-block:28px calc(28px + env(safe-area-inset-bottom,0px));font-size:14px;color:var(--tx2)}
footer .wrap{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center}
footer a{text-decoration:none}
footer a:hover{color:var(--tx)}
footer .sp{margin-left:auto}

/* doc pages (#privacy, #terms) */
.doc{padding-block:56px 96px}
.doc article{max-width:720px;display:grid;gap:16px}
.doc h1{font-size:clamp(40px,6vw,64px);margin-block:12px 8px}
.doc h2{font:700 22px var(--f-body);letter-spacing:-.01em;margin-top:22px}
.doc p,.doc li{color:var(--tx2)}
.doc ul{margin:0;padding-left:20px;display:grid;gap:8px}
.doc .tl{display:grid;gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);border-radius:10px;overflow:hidden}
.doc .tl div{background:var(--panel);padding:14px 16px;display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:16px;font-size:15px}
.doc .tl b{color:var(--tx)}
.doc .tl span{color:var(--tx2)}
@media (max-width:600px){.doc .tl div{grid-template-columns:minmax(0,1fr);gap:4px}}
.ph{background:color-mix(in srgb,var(--accent) 22%,transparent);color:var(--tx);padding:0 4px;border-radius:3px;font-family:var(--f-mono);font-size:.9em}
.back{font-weight:600;text-decoration:none;color:var(--accent)}

/* standalone page basics (the artifact host used to supply these) */
body{margin:0}
img{max-width:100%}
.flush{padding-top:0}
footer .brand{font-size:16px}
footer .brand img{width:26px;height:26px;border-radius:6px}
.doc .strong{color:var(--tx)}
.nf{min-height:60vh;display:grid;place-content:center;gap:18px;text-align:center}
.nf h1{font-size:clamp(48px,8vw,96px)}
.ic .fillc{fill:currentColor}
.split.first{margin-top:96px}