/* Shared styling for the marketing / content pages. Same tokens as the app. */
:root{
  --bg:#f2f2f7; --card:#fff; --sunken:#ececef;
  --ink:#000; --ink2:rgba(60,60,67,.62); --ink3:rgba(60,60,67,.32);
  --sep:rgba(60,60,67,.14); --accent:#007aff; --on-accent:#fff;
  --fig:#e6e9f0; --hand-fill:#bcd9ff; --hand-line:#007aff; --hand-edge:#eef5ff;
  --shadow:0 1px 2px rgba(0,0,0,.04),0 8px 24px rgba(0,0,0,.06);
  --r:20px; --spring:cubic-bezier(.32,.72,0,1);
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#000; --card:#1c1c1e; --sunken:#141416;
    --ink:#fff; --ink2:rgba(235,235,245,.6); --ink3:rgba(235,235,245,.3);
    --sep:rgba(84,84,88,.65); --accent:#0a84ff;
    --fig:#202329; --hand-fill:#1d4a78; --hand-line:#4da2ff; --hand-edge:#101720;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.5);
  }
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);
  font:400 17px/1.55 -apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,"Helvetica Neue",sans-serif;
  -webkit-font-smoothing:antialiased}
a{color:var(--accent)}
h1,h2,h3{margin:0;letter-spacing:-.03em;line-height:1.12}
.wrap{max-width:720px;margin:0 auto;padding:0 20px}
.narrow{max-width:640px}

/* nav */
.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 80%,transparent);
  backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:.5px solid var(--sep)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:54px}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;letter-spacing:-.02em;text-decoration:none;color:var(--ink)}
.brand img{width:28px;height:28px;border-radius:7px}

/* buttons */
.cta{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:0 24px;
  border-radius:15px;background:var(--accent);color:var(--on-accent);font-weight:650;font-size:17px;
  text-decoration:none;transition:transform .18s var(--spring)}
.cta:active{transform:scale(.96)}
.cta.sm{min-height:38px;padding:0 16px;font-size:15px;border-radius:11px}
.cta.ghost{background:var(--card);color:var(--accent);box-shadow:var(--shadow)}

/* the sign illustration, same rules as the app */
.signsvg{height:100%;width:auto;max-width:100%;max-height:100%;display:block}
.signsvg .fig{fill:var(--fig)}
.signsvg .hf{fill:var(--hand-fill);stroke:var(--hand-edge);stroke-width:4;stroke-linejoin:round}
.signsvg .ho{stroke:var(--hand-edge);fill:none;stroke-linecap:round}
.signsvg .hp{stroke:var(--hand-line);fill:none;stroke-linecap:round}
.signsvg .arw path{stroke:var(--hand-line);stroke-opacity:.62;stroke-width:2.6;fill:none;
  stroke-linecap:round;stroke-linejoin:round}
.stage{background:linear-gradient(180deg,color-mix(in srgb,var(--accent) 7%,var(--card)),var(--card));
  border-radius:var(--r);display:grid;place-items:center;overflow:hidden;box-shadow:var(--shadow)}
.mo{transform-box:fill-box;transform-origin:50% 62%;animation:none 2.4s ease-in-out infinite}
@media (prefers-reduced-motion:reduce){.mo,.hs{animation-play-state:paused!important}}
.mo-tap{animation-name:m-tap} .mo-squeeze{animation-name:m-squeeze}
.mo-together{animation-name:m-together} .mo-circle{animation-name:m-circle}
.mo-shake{animation-name:m-shake;animation-duration:1.4s} .mo-wiggle{animation-name:m-wiggle;animation-duration:1.6s}
.mo-updown{animation-name:m-updown} .mo-out{animation-name:m-out} .mo-in{animation-name:m-in}
.mo-down{animation-name:m-down} .mo-up{animation-name:m-up} .mo-twist{animation-name:m-twist}
.mo-flap{animation-name:m-flap;animation-duration:1.2s} .mo-swim{animation-name:m-swim}
.mo-steer{animation-name:m-steer} .mo-sweep{animation-name:m-sweep} .mo-still{animation-name:m-still;animation-duration:4s}
.morph .f0{animation:m-fadeA 2.4s ease-in-out infinite}
.morph .f1{animation:m-fadeB 2.4s ease-in-out infinite}
.altph .h2 .mo,.altph .h2 .hs{animation-delay:-1.2s}
@keyframes m-tap{0%,100%{transform:translateY(0)}18%{transform:translateY(7px)}36%{transform:translateY(0)}54%{transform:translateY(7px)}72%{transform:translateY(0)}}
@keyframes m-squeeze{0%,100%{transform:scale(1)}50%{transform:scale(.93)}}
@keyframes m-together{0%,100%{transform:translateX(0)}22%{transform:translateX(11px)}44%{transform:translateX(0)}66%{transform:translateX(11px)}88%{transform:translateX(0)}}
@keyframes m-circle{0%,100%{transform:translate(0,-8px)}25%{transform:translate(8px,0)}50%{transform:translate(0,8px)}75%{transform:translate(-8px,0)}}
@keyframes m-shake{0%,100%{transform:rotate(-11deg)}50%{transform:rotate(11deg)}}
@keyframes m-wiggle{0%,100%{transform:rotate(-7deg)}50%{transform:rotate(9deg)}}
@keyframes m-updown{0%,100%{transform:translateY(-9px)}50%{transform:translateY(9px)}}
@keyframes m-out{0%,100%{transform:translate(0,0) scale(1)}55%{transform:translate(9px,-12px) scale(.9)}}
@keyframes m-in{0%,100%{transform:translate(9px,-10px) scale(.92)}55%{transform:translate(0,0) scale(1)}}
@keyframes m-down{0%,100%{transform:translateY(-8px)}55%{transform:translateY(14px)}}
@keyframes m-up{0%,100%{transform:translateY(10px)}55%{transform:translateY(-14px)}}
@keyframes m-twist{0%,100%{transform:rotate(0)}50%{transform:rotate(-27deg)}}
@keyframes m-flap{0%,100%{transform:rotate(-18deg)}50%{transform:rotate(20deg)}}
@keyframes m-swim{0%,100%{transform:translate(-8px,0) rotate(-5deg)}50%{transform:translate(8px,-3px) rotate(5deg)}}
@keyframes m-steer{0%,100%{transform:rotate(-15deg) translateY(4px)}50%{transform:rotate(15deg) translateY(-4px)}}
@keyframes m-sweep{0%,100%{transform:translateX(-9px)}50%{transform:translateX(9px)}}
@keyframes m-still{0%,100%{transform:scale(1)}50%{transform:scale(1.03)}}
@keyframes m-fadeA{0%,32%{opacity:1}48%,84%{opacity:0}100%{opacity:1}}
@keyframes m-fadeB{0%,32%{opacity:0}48%,84%{opacity:1}100%{opacity:0}}

/* content */
.card{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);padding:20px 22px}
.prose h2{font-size:25px;margin:38px 0 10px}
.prose h3{font-size:19px;margin:26px 0 6px}
.prose p{margin:0 0 14px}
.prose ul,.prose ol{margin:0 0 16px;padding-left:22px}
.prose li{margin-bottom:8px}
.prose blockquote{margin:20px 0;padding:14px 18px;border-left:3px solid var(--accent);
  background:var(--card);border-radius:0 14px 14px 0;color:var(--ink2)}
.lede{font-size:19px;color:var(--ink2);margin-bottom:22px}
.kicker{font-size:12.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.foot{border-top:.5px solid var(--sep);margin-top:56px;padding:26px 0 44px;color:var(--ink3);
  font-size:13.5px;line-height:1.7;text-align:center}
.foot a{color:var(--ink2)}

/* the sign as a sequence of labelled stills */
.seq{display:flex;align-items:stretch;gap:10px}
.seq .fr{flex:1;min-width:0;margin:0;background:var(--card);border-radius:16px;overflow:hidden;
  box-shadow:var(--shadow);display:flex;flex-direction:column}
.seq .art{height:170px;display:grid;place-items:center;
  background:linear-gradient(180deg,color-mix(in srgb,var(--accent) 8%,var(--card)),var(--card))}
.seq figcaption{padding:12px 14px 14px;font-size:14.5px;line-height:1.45}
.seq figcaption b{display:inline-grid;place-items:center;width:21px;height:21px;border-radius:50%;
  background:var(--accent);color:var(--on-accent);font-size:12px;font-weight:700;margin-right:7px;vertical-align:1px}
.seqto{align-self:center;color:var(--accent);font-size:23px;font-weight:800;flex:none;opacity:.75}
@media(max-width:400px){.seq .art{height:138px}.seq figcaption{font-size:13.5px;padding:10px 11px 12px}}