:root{
  --o:#FF5A1F; --ink:#14110F; --paper:#FAFAF7;
  --g:clamp(18px,4vw,56px); --cg:clamp(14px,2vw,28px); --rule:2px;
  --disp:"Inter Tight","Helvetica Neue",Arial,sans-serif;
  --num:"Archivo","Inter Tight",Impact,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
*{margin:0}
html{scroll-padding-top:16px;-webkit-text-size-adjust:100%}
@media (min-width:900px){html{scroll-padding-top:128px}}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{font:400 1rem/1.55 var(--disp);background:var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased;overflow-x:clip}
img{display:block;max-width:100%;height:auto}
ul,ol{padding:0;list-style:none}
a{color:inherit}
h1,h2,h3,.sg,.f h3{word-spacing:.16em}
:focus-visible{outline:3px solid var(--ring,var(--ink));outline-offset:3px}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.skip{position:absolute;left:-999px;top:0;z-index:100;background:var(--ink);color:var(--paper);padding:.8rem 1rem}
.skip:focus{left:0}

/* three colours only */
.on-orange{--bg:var(--o);--fg:var(--ink);--ring:var(--ink)}
.on-paper{--bg:var(--paper);--fg:var(--ink);--ring:var(--ink)}
.on-ink{--bg:var(--ink);--fg:var(--paper);--ring:var(--paper)}
.on-orange,.on-paper,.on-ink{background:var(--bg);color:var(--fg)}

.wrap{width:min(100% - 2 * var(--g),1200px);margin-inline:auto}
.sec{padding-block:clamp(3.5rem,7vw,6rem)}
.h2{font:900 clamp(1.9rem,4vw,3.2rem)/1.03 var(--disp);letter-spacing:-.04em;text-wrap:balance;max-width:22ch}
.sub{font-size:clamp(1rem,1.3vw,1.12rem);line-height:1.5;max-width:56ch;margin-top:1rem}
.small{font-size:.875rem;line-height:1.5}

.btn{--f:transparent;--t:var(--fg);--hf:var(--fg);--ht:var(--bg);
  display:inline-flex;align-items:center;gap:.6rem;min-height:48px;padding:.8rem 1.2rem;
  border:var(--rule) solid var(--fg);background:var(--f);color:var(--t);
  font:700 .95rem/1.1 var(--disp);text-decoration:none;cursor:pointer;border-radius:0}
.btn-solid{--f:var(--fg);--t:var(--bg);--hf:var(--bg);--ht:var(--fg)}
.btn:hover:not(:disabled){background:var(--hf);color:var(--ht)}
.btn:disabled{cursor:not-allowed;border-style:dashed;opacity:1}
.btn small{font:500 .75rem/1 var(--disp);opacity:.85}
.btn svg{width:18px;height:18px;flex:none}

/* nav (shared by all three pages) */
.nav{position:static;border-bottom:var(--rule) solid var(--ink)}
.bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:0 1rem;min-height:64px}
.brand{display:flex;align-items:center;gap:.6rem;font:900 1.1rem/1 var(--disp);letter-spacing:-.03em;text-decoration:none}
.brand img{width:30px;height:30px}
.nav nav{display:flex;order:3;width:100%;gap:.2rem 1.2rem;padding-bottom:.6rem}
.nav nav a{font:600 .88rem/1 var(--disp);text-decoration:none;padding:.5rem .1rem;border-bottom:var(--rule) solid transparent}
.nav nav a:hover,.nav nav a[aria-current="page"]{border-bottom-color:var(--ink)}
.nav nav a[aria-current="page"]{font-weight:800}
.nav .btn{min-height:42px;padding:.6rem 1rem}
.bar{padding-top:.6rem}
.hide-s{display:none}

/* hero */
.hero{padding-block:clamp(2.5rem,6vw,4.5rem)}
.hero h1{font:900 clamp(2.2rem,7.5vw,3.8rem)/1 var(--disp);letter-spacing:-.045em;text-wrap:balance;max-width:14ch}
.lead{font-size:clamp(1.02rem,1.4vw,1.18rem);line-height:1.5;font-weight:500;margin-top:1.2rem;max-width:56ch}
.cta{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.7rem}
.note{margin-top:.9rem}

/* mini index: sticky on desktop */
.idx{position:static;z-index:40;border-bottom:var(--rule) solid var(--paper)}
.idx ul{display:flex;flex-wrap:wrap;align-items:center;gap:.1rem 1.3rem;padding-block:.7rem}
.idx li:first-child{font:500 .85rem/1 var(--disp);opacity:.85;width:100%}
.idx a{display:inline-block;font:700 .9rem/1 var(--disp);text-decoration:none;padding:.55rem 0;border-bottom:var(--rule) solid transparent}
.idx a:hover{border-bottom-color:var(--paper)}
.idx a[aria-current="true"]{border-bottom-color:var(--o)}

/* feature items */
.sg{display:inline-block;margin-top:clamp(1.8rem,4vw,2.6rem);margin-bottom:.9rem;background:var(--fg);color:var(--bg);padding:.1em .6em;font:700 .85rem/1.5 var(--disp)}
.sg:first-of-type{margin-top:0}
.sub + .sg,.sub + .rows,.sub + .grid{margin-top:clamp(1.6rem,4vw,2.6rem)}
.f h3{font:800 clamp(1.05rem,1.5vw,1.2rem)/1.2 var(--disp);letter-spacing:-.02em}
.f p{max-width:56ch}
.how{display:inline-block;font:700 .9rem/1.2 var(--disp);padding:.35rem 0;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:.22em;white-space:nowrap}
.how::after{content:" \2192"}
.how:hover{text-decoration-color:transparent;background:var(--fg);color:var(--bg);padding-inline:.35rem;margin-inline:-.35rem}
.code{display:inline-block;margin-top:.55rem;background:var(--fg);color:var(--bg);padding:.1em .55em;font:700 .88rem/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;overflow-wrap:anywhere;max-width:100%}

/* list rows */
.rows{margin-top:0}
.rows>li{display:grid;gap:.35rem 1.6rem;padding:1.1rem 0;border-top:var(--rule) solid var(--fg)}
.rows>li:last-child{border-bottom:var(--rule) solid var(--fg)}
.rows .how{justify-self:start}

/* card grid (rule on top, like the landing page's promises) */
.grid{display:grid;gap:0 var(--cg)}
.grid>li{display:flex;flex-direction:column;align-items:flex-start;gap:.45rem;border-top:var(--rule) solid var(--fg);padding:1rem 0 1.3rem}
.grid .how{margin-top:auto}
.grid .f p{margin-bottom:.2rem}

/* categories */
.chips{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,225px),1fr));gap:.6rem}
.chips li{border:var(--rule) solid var(--fg);padding:.7rem .9rem;font-weight:700;line-height:1.25}
.chips small{display:block;font:500 .82rem/1.35 var(--disp);margin-top:.25rem}

/* screenshots */
.shot{margin-top:clamp(2rem,4vw,3rem);max-width:940px}
.shot img{border:var(--rule) solid var(--fg);background:var(--ink);width:100%}

.more{margin-top:1.6rem;font-weight:700}

/* closing */
.end h2{font:900 clamp(2.4rem,7vw,5.2rem)/.95 var(--disp);letter-spacing:-.05em;text-wrap:balance;max-width:12ch}
.end .path{margin-top:1.2rem;font-weight:700;font-size:1.05rem;max-width:44ch}
.key{display:inline-block;background:var(--ink);color:var(--o);padding:.02em .4em;font-weight:700}
.end .sup{margin-top:2.2rem;padding-top:1rem;border-top:var(--rule) solid var(--ink);max-width:560px}
.end .sup p{margin-bottom:.8rem}
.sup-l{display:flex;flex-wrap:wrap;gap:.6rem 1.4rem;font-weight:700}

footer{padding-block:2rem 2.4rem}
.ft-top{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1.2rem 2rem}
.ft-links{display:flex;flex-wrap:wrap;gap:.4rem 1.4rem}
.ft-links a{font-weight:700}
footer small{display:block;max-width:80ch;margin-top:1.3rem;font-size:.8rem;line-height:1.5}
.copy{margin-top:1.3rem}

@media (min-width:620px){
  .hide-s{display:inline}
  .grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:760px){
  .rows>li{grid-template-columns:minmax(0,5fr) minmax(0,7fr) 9.5rem;align-items:baseline}
  .rows .how{justify-self:end}
  .rows>li.no-how{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
}
@media (min-width:900px){
  .nav{position:sticky;top:0;z-index:50}
  .bar{flex-wrap:nowrap;padding-top:0}
  .nav nav{order:0;width:auto;gap:1.6rem;padding-bottom:0}
  .nav nav a{font-size:.92rem}
  .idx{position:sticky;top:66px}
  .idx ul{flex-wrap:nowrap;justify-content:space-between;gap:1rem}
  .idx li:first-child{width:auto;white-space:nowrap}
  .grid.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (prefers-reduced-motion:no-preference){
  .btn{transition:background-color .15s,color .15s}
}
/* floating help button */
.fab{position:fixed;right:clamp(14px,2.4vw,28px);bottom:clamp(14px,2.4vw,28px);z-index:60;display:inline-flex;align-items:center;gap:.55rem;min-height:48px;padding:.7rem 1.1rem;
  background:var(--paper);color:var(--ink);border:var(--rule) solid var(--ink);font:800 .92rem/1 var(--disp);text-decoration:none;word-spacing:.12em}
.fab:hover{background:var(--ink);color:var(--paper);border-color:var(--paper)}