/* Touchstone site system — derived from the Day One page (lens-day/head.html):
   white ground, Helvetica Neue light, mono eyebrows, hairlines, the black pill.
   Orange is reserved for the qoral. period and the lab page's one accent. */
:root{
  --bg:#fff; --fg:#161616; --mute:#8a8a8a; --line:#e3e3e3; --soft:#f6f6f6;
  --ink:#000; --paper:#f3efe6; --char:#2b2630; --orange:#ff582e; --board:#2b3a33; --boardsoft:#b9c4bd;
  --sans:"Helvetica Neue",Helvetica,Arial,sans-serif;
  --mono:ui-monospace,Menlo,Consolas,monospace;
  --fredoka:'Fredoka',"Helvetica Neue",Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--sans);font-weight:300;line-height:1.5;font-size:17px}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-weight:300;letter-spacing:-.01em;margin:0;text-wrap:balance}
p{margin:0}

/* header, as on Day One */
.hdr{position:sticky;top:0;height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 max(36px,env(safe-area-inset-left,0px)) 0 max(36px,env(safe-area-inset-left,0px));border-bottom:1px solid var(--line);background:rgba(255,255,255,.92);backdrop-filter:blur(8px);z-index:6}
.hdr .brand{font-size:15px;letter-spacing:.02em;text-decoration:none}
.hdr .mark{display:flex;align-items:center;gap:9px}
.hdr .mark svg{width:26px;height:26px;flex:none}
.hdr .mark .qoral{font-size:21px;font-weight:600;line-height:1}
.hdr nav{display:flex;align-items:center;gap:28px;font-size:14px}
.hdr nav a{text-decoration:none;opacity:.75;transition:opacity .2s}
.hdr nav a:hover,.hdr nav a.on{opacity:1}
.hdr nav a.on{border-bottom:1px solid var(--fg);padding-bottom:2px}

.wrap{max-width:1180px;margin:0 auto;padding-left:max(36px,env(safe-area-inset-left,0px));padding-right:max(36px,env(safe-area-inset-right,0px))}
.eb{font:11px var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--mute);margin:0 0 16px}
.h2{font-size:44px;line-height:1.1;max-width:640px;margin-bottom:18px}
.lede{font-size:17px;line-height:1.5;color:var(--mute);max-width:560px}
.lede+.lede{margin-top:24px}
.lede b{font-weight:400;color:var(--fg)}

.btn{font-family:inherit;font-weight:300;font-size:15px;line-height:1;border:1px solid #c4c4c4;border-radius:999px;background:transparent;color:var(--fg);padding:12px 20px;cursor:pointer;text-decoration:none;display:inline-block;transition:border-color .2s,background .2s,color .2s}
.btn:hover{border-color:var(--fg)}
.btn.primary{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.btn.primary:hover{background:#333;border-color:#333}
.btn:focus-visible,.cin:focus-visible,a:focus-visible{outline:2px solid var(--fg);outline-offset:3px}

/* waitlist form */
.join{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.join .cin{flex:1 1 220px;min-width:0;font:inherit;font-size:15px;font-weight:300;border:1px solid #c4c4c4;border-radius:999px;padding:11px 18px;background:transparent;color:var(--fg);outline:none;transition:border-color .2s}
.join .cin:focus{border-color:var(--fg)}
.join .cin::placeholder{color:#b0b0b0}
.join .ok{font-size:14px;color:#2EB67D;flex-basis:100%;min-height:21px}
.fine{font:11px var(--mono);letter-spacing:.08em;color:var(--mute);margin-top:12px}

/* sections */
section.s{padding-block:96px;border-bottom:1px solid var(--line)}
section.s:last-of-type{border-bottom:0}
.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:64px;align-items:center}
.two.rev>*:first-child{order:2}
.fig{display:flex;justify-content:center}
.fig img{height:auto}

/* how the lens works — cards from Day One's about page */
.hows{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:40px}
.how{border:1px solid var(--line);border-radius:14px;padding:22px 22px 24px;display:flex;flex-direction:column;gap:14px}
.how .eb{margin:0}
.how svg{width:100%;height:auto;fill:none;stroke:var(--fg);stroke-width:1.2;stroke-linecap:round;stroke-linejoin:round}
.how svg text{fill:var(--fg);stroke:none;font:9px var(--mono);letter-spacing:.04em}
.how p{font-size:15px}

/* the science */
.sci{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:48px;align-items:start}
dl.spec{margin:28px 0 24px;display:grid;grid-template-columns:auto 1fr;gap:0 20px;border-top:1px solid var(--line)}
dl.spec dt{font:11px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--mute);padding:14px 0;border-bottom:1px solid var(--line)}
dl.spec dd{margin:0;font-size:15px;padding:13px 0;border-bottom:1px solid var(--line)}
figure.chart{margin:0;border:1px solid var(--line);border-radius:14px;padding:20px 20px 14px}
figure.chart svg{width:100%;height:auto;font:9px var(--mono);letter-spacing:.06em}
figure.chart text{fill:var(--mute)}
figure.chart .g{stroke:var(--line);stroke-width:1}
figure.chart .band{fill:rgba(0,0,0,.05)}
figure.chart .pm{stroke:var(--mute);stroke-width:1;stroke-dasharray:4 4}
figure.chart .you{fill:none;stroke:var(--fg);stroke-width:1.4}
figure.chart circle{fill:var(--fg)}
figure.chart figcaption{font:10px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--mute);margin-top:14px}
.ulink{color:var(--fg);text-decoration:none;border-bottom:1px solid var(--line);padding-bottom:1px}
.ulink:hover{border-color:var(--fg)}

/* dark band (day one) */
.dark{background:var(--ink);color:#f2f2f2}
.dark .eb{color:#8d8d8d}
.dark .lede{color:#9a9a9a}
.dark .lede b{color:#f2f2f2}
.dark .btn{border-color:#3a3a3a;color:#f2f2f2}
.dark .btn:hover{border-color:#f2f2f2}
.dark .btn.primary{background:#f2f2f2;color:#111;border-color:#f2f2f2}
.dark .btn.primary:hover{background:#fff}
.dark .fig img{border-radius:14px}

/* the qoral hinge — the one cream band on the Touchstone page */
.paper{background:var(--paper);color:var(--char)}
.paper .eb{color:#7d7682}
.paper .lede{color:#5c5563}
.qoral{font-family:var(--fredoka);font-weight:500;font-size:15px;color:var(--char);letter-spacing:.01em;text-decoration:none}
.qoral i{font-style:normal;color:var(--orange)}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin:26px 0 28px}
.chip{display:inline-flex;align-items:center;gap:10px;border:1px solid #d9d3c8;border-radius:999px;padding:8px 14px;font-size:14px;background:#fff;text-decoration:none;color:var(--char)}
.chip b{font-family:var(--fredoka);font-weight:500}
.chip i{font-style:normal;font:11px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:#7d7682}
.chip:hover{border-color:var(--char)}

/* footer */
footer.ft{padding-block:48px 56px;display:flex;flex-direction:column;gap:28px}
footer.ft .logos{display:flex;flex-wrap:wrap;align-items:center;gap:24px 48px}
footer.ft .logos img{width:auto;filter:grayscale(1) opacity(.75)}
footer.ft .copy{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--mute);border-top:1px solid var(--line);padding-top:24px}

@media (max-width:900px){
  .two,.sci,.hows{grid-template-columns:1fr}
  .two.rev>*:first-child{order:0}
  .h2{font-size:36px}
  section.s{padding-block:64px}
  .hdr nav{gap:18px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}